From 0f953121c891f77e880b3290c76691c4af1fd952 Mon Sep 17 00:00:00 2001 From: Meleeman01 Date: Thu, 28 Nov 2024 09:08:38 -0600 Subject: [PATCH] add css framework, testing framework, autoNameAssignment --- assignedNames.json | 10 + index.html | 10 +- mflx.min.css | 1 + package-lock.json | 770 ++ package.json | 1 + server.js | 77 +- tests/index.html | 20 + tests/mocha.css | 455 + tests/mocha.js | 20776 +++++++++++++++++++++++++++++++++++++++++ tests/serverTests.js | 51 + tests/tests.spec.js | 0 thingstotest.txt | 5 + 12 files changed, 22164 insertions(+), 12 deletions(-) create mode 100644 assignedNames.json create mode 100644 mflx.min.css create mode 100644 tests/index.html create mode 100644 tests/mocha.css create mode 100644 tests/mocha.js create mode 100644 tests/serverTests.js create mode 100644 tests/tests.spec.js create mode 100644 thingstotest.txt diff --git a/assignedNames.json b/assignedNames.json new file mode 100644 index 0000000..24a7940 --- /dev/null +++ b/assignedNames.json @@ -0,0 +1,10 @@ +[ + "Ash", "Bailey", "Bean", "Blaze", "Blue", "Charlie", "Cloud", "Clover", + "Dash", "Echo", "Ember", "Flare", "Frost", "Galaxy", "Glitter", "Halo", + "Haven", "Indigo", "Jinx", "Kai", "Koda", "Leaf", "Lunar", "Maple", + "Midnight", "Misty", "Nova", "Onyx", "Orion", "Patch", "Pebble", "Poppy", + "Quinn", "Rain", "River", "Robin", "Rowan", "Sage", "Scout", "Shadow", + "Silver", "Sky", "Snickers", "Snowy", "Socks", "Sparrow", "Storm", "Sunny", + "Swift", "Tango", "Thistle", "Thunder", "Tinker", "Twilight", "Velvet", + "Waffle", "Willow", "Winter", "Yuki", "Zen" +] diff --git a/index.html b/index.html index 3d18d63..df16c94 100644 --- a/index.html +++ b/index.html @@ -3,12 +3,13 @@ Multiplayer Game + - +
@@ -48,9 +49,6 @@ document.getElementById("status").innerText = `Room created! Code: ${message.roomCode}`; if (message.isLeader) { document.getElementById("start-game").style.display = "inline"; - document.getElementById("spin-wheel").style.display = "inline"; - document.getElementById("guess-letter").style.display = "inline"; - document.getElementById("guess-button").style.display = "inline"; } } @@ -68,6 +66,10 @@ if (message.type === "game_started") { document.getElementById("status").innerText = "The game has started!"; document.getElementById("start-game").style.display = "none"; + document.getElementById("start-game").style.display = "inline"; + document.getElementById("spin-wheel").style.display = "inline"; + document.getElementById("guess-letter").style.display = "inline"; + document.getElementById("guess-button").style.display = "inline"; } if (message.type === "spin_result") { diff --git a/mflx.min.css b/mflx.min.css new file mode 100644 index 0000000..f74a986 --- /dev/null +++ b/mflx.min.css @@ -0,0 +1 @@ +:root{--ez-dark-theme:0;--primary:#6a4c94;--secondary:#ef8801;--success:#8bc926;--warning:#ffca38;--error:#ff575c;--info:#1981c2;--black:#1f1300;--white:#fffaff;--main-title:"Arial";--sub-titles:"Montserrat";--paragraphs:"Montserrat";--title-size:5rem;--subtitle-size:2.5rem;--padme-setting:0.5em 0.5em 0.5em 0.5em;--button-roundness:2em 2em 2em 2em;--marginme-setting:0.5em 0em 0.5em 0em;--mp-5-setting:2rem;--mp-4-setting:1rem;--mp-3-setting:.75rem;--mp-2-setting:.5rem;--mp-1-setting:.25rem;filter:invert(var(--ez-dark-theme))}:root img,video{filter:invert(var(--ez-dark-theme))}:focus{outline:0}::-moz-focus-inner{border:0}h1{font-family:var(--main-title),"sans-serif";font-size:var(--title-size)}h2{font-size:var(--subtitle-size)}h2,h3,h4,h5,h6{font-family:var(--sub-titles),sans}.link,a,button,input,label,li,p,select,span,textarea{font-family:var(--paragraphs),sans;text-decoration:none;outline:0;border:none;padding:0;line-height:1.5;word-break:break-word}.link,input,p{margin:.25em 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\ No newline at end of file diff --git a/package-lock.json b/package-lock.json index aaebe3d..1de9bf4 100644 --- a/package-lock.json +++ b/package-lock.json @@ -9,10 +9,696 @@ "version": "1.0.0", "license": "MIT", "dependencies": { + "mocha": "^10.8.2", "uuid": "^11.0.2", "ws": "^8.18.0" } }, + "node_modules/ansi-colors": { + "version": "4.1.3", + "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-4.1.3.tgz", + "integrity": "sha512-/6w/C21Pm1A7aZitlI5Ni/2J6FFQN8i1Cvz3kHABAAbw93v/NlvKdVOqz7CCWz/3iv/JplRSEEZ83XION15ovw==", + "engines": { + "node": ">=6" + } + }, + "node_modules/ansi-regex": { + "version": "5.0.1", + "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz", + "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==", + "engines": { + "node": ">=8" + } + }, + "node_modules/ansi-styles": { + "version": "4.3.0", + "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz", 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+ "dependencies": { + "ansi-styles": "^4.0.0", + "string-width": "^4.1.0", + "strip-ansi": "^6.0.0" + }, + "engines": { + "node": ">=10" + }, + "funding": { + "url": "https://github.com/chalk/wrap-ansi?sponsor=1" + } + }, + "node_modules/wrappy": { + "version": "1.0.2", + "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz", + "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==" + }, "node_modules/ws": { "version": "8.18.0", "resolved": "https://registry.npmjs.org/ws/-/ws-8.18.0.tgz", @@ -44,6 +756,64 @@ "optional": true } } + }, + "node_modules/y18n": { + "version": "5.0.8", + "resolved": "https://registry.npmjs.org/y18n/-/y18n-5.0.8.tgz", + "integrity": "sha512-0pfFzegeDWJHJIAmTLRP2DwHjdF5s7jo9tuztdQxAhINCdvS+3nGINqPd00AphqJR/0LhANUS6/+7SCb98YOfA==", + "engines": { + "node": ">=10" + } + }, + "node_modules/yargs": { + "version": "16.2.0", + "resolved": "https://registry.npmjs.org/yargs/-/yargs-16.2.0.tgz", + 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"^5.0.2", + "is-plain-obj": "^2.1.0" + }, + "engines": { + "node": ">=10" + } + }, + "node_modules/yocto-queue": { + "version": "0.1.0", + "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz", + "integrity": "sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==", + "engines": { + "node": ">=10" + }, + "funding": { + "url": "https://github.com/sponsors/sindresorhus" + } } } } diff --git a/package.json b/package.json index 8ae5198..e994c67 100644 --- a/package.json +++ b/package.json @@ -9,6 +9,7 @@ "author": "Meleeman", "license": "MIT", "dependencies": { + "mocha": "^10.8.2", "uuid": "^11.0.2", "ws": "^8.18.0" } diff --git a/server.js b/server.js index a278302..115fe63 100644 --- a/server.js +++ b/server.js @@ -1,6 +1,7 @@ const WebSocket = require("ws"); const { v4: uuidv4 } = require("uuid"); const puzzles = require('./puzzles.json'); +const names = require('./assignedNames.json'); const crypto = require('crypto'); const wss = new WebSocket.Server({ port: 8080 }); @@ -14,6 +15,33 @@ function getRandomValue(array) { const randomIndex = crypto.randomInt(0, array.length); return array[randomIndex]; } +function shuffleArray(array) { + for (let i = array.length - 1; i > 0; i--) { + // Generate a cryptographically secure random index + const j = crypto.randomInt(0, i + 1); + // Swap elements + [array[i], array[j]] = [array[j], array[i]]; + } + return array; +} + +const DefaultNames = shuffleArray(names); +let NameIndex = 0; +function getRandomName() { + if (NameIndex >= DefaultNames.length) { + NameIndex = 0; + }else{ + NameIndex++; + } + //since we've incremented the index but not returned the value, + //calculate the index again + return NameIndex === 0 ? DefaultNames[NameIndex] : DefaultNames[NameIndex-1]; +} + +function loadCurrentPuzzle(gameStateObject) { + console.log(gameStateObject); +} + // server.js wss.on("connection", (ws) => { @@ -22,28 +50,53 @@ wss.on("connection", (ws) => { if (data.type === "create_room") { const roomCode = uuidv4().slice(0, 5); - rooms[roomCode] = { clients: [ws], leader: ws, gameState: {} }; + ws.name = DefaultNames + rooms[roomCode] = { + clients: [ws], + leader: ws, + gameState: { + started:false, + puzzles:shuffleArray(puzzles), + puzzleLevel:0, + }, + }; ws.roomCode = roomCode; ws.send(JSON.stringify({ type: "room_created", roomCode, isLeader: true })); } if (data.type === "join_room") { const { roomCode } = data; - if (rooms[roomCode]) { - rooms[roomCode].clients.push(ws); - ws.roomCode = roomCode; - ws.send(JSON.stringify({ type: "joined_room", roomCode, isLeader: rooms[roomCode].leader === ws })); - } else { + console.log(rooms); + console.log(rooms[roomCode],roomCode); + + if (!rooms[roomCode]) { ws.send(JSON.stringify({ type: "error", message: "Room not found" })); } + else if (rooms[roomCode].gameState.started) { + ws.send(JSON.stringify({ type: "error", message: "Game has already Started!!!" })); + } + else { + rooms[roomCode].clients.push(ws); + ws.roomCode = roomCode; + ws.send(JSON.stringify({ + type: "joined_room", roomCode, + isLeader: rooms[roomCode].leader === ws + })); + } + console.log('clients: ',rooms[roomCode].clients); } if (data.type === "start_game") { const room = rooms[ws.roomCode]; + room.gameState.started = true; console.log('game started for:',room); if (room && room.leader === ws) { room.clients.forEach((client) => { - client.send(JSON.stringify({ type: "game_started", roomCode: ws.roomCode })); + client.send(JSON.stringify({ + type: "game_started", + roomCode: ws.roomCode, + puzzle:loadCurrentPuzzle(room.gameState) + })); }); } else { ws.send(JSON.stringify({ type: "error", message: "Only the leader can start the game" })); @@ -59,7 +112,10 @@ wss.on("connection", (ws) => { const spinResult = getRandomValue(wheel); room.gameState.spinResult = spinResult; room.clients.forEach((client) => - client.send(JSON.stringify({ type: "spin_result", spinResult, player: ws === room.leader ? "Leader" : "Player" })) + client.send(JSON.stringify({ + type: "spin_result", spinResult, + player: ws === room.leader ? "Leader" : "Player" + })) ); } @@ -93,3 +149,8 @@ wss.on("connection", (ws) => { console.log("WebSocket server is running on ws://localhost:8080"); + +module.exports = { + DefaultNames,NameIndex, + getRandomName,getRandomValue,shuffleArray +} \ No newline at end of file diff --git a/tests/index.html b/tests/index.html new file mode 100644 index 0000000..4ebd4af --- /dev/null +++ b/tests/index.html @@ -0,0 +1,20 @@ + + + + + Mocha + + + + +
+ + + + + + diff --git a/tests/mocha.css b/tests/mocha.css new file mode 100644 index 0000000..c9839f8 --- /dev/null +++ b/tests/mocha.css @@ -0,0 +1,455 @@ +@charset "utf-8"; + +:root { + --mocha-color: #000; + --mocha-bg-color: #fff; + --mocha-test-pass-color: #007f6a; + --mocha-test-pass-duration-color: #fff; + --mocha-test-pass-shadow-color: rgba(0,0,0, 0.2); + --mocha-test-pass-mediump-color: #c09853; + --mocha-test-pass-slow-color: #b94a48; + --mocha-test-pending-color: #0b97c4; + --mocha-test-pending-icon-color: #0b97c4; + --mocha-test-fail-color: #c00; + --mocha-test-fail-icon-color: #c00; + --mocha-test-fail-pre-color: #000; + --mocha-test-fail-pre-error-color: #c00; + --mocha-test-html-error-color: #000; + --mocha-box-shadow-color: #eee; + --mocha-box-bottom-color: #ddd; + --mocha-test-replay-color: #000; + --mocha-test-replay-bg-color: #eee; + --mocha-stats-color: #888; + --mocha-stats-em-color: #000; + --mocha-stats-hover-color: #eee; + --mocha-progress-ring-color: #eee; + --mocha-progress-ring-highlight-color: #9f9f9f; + --mocha-progress-text-color: #000; + --mocha-error-color: #c00; + + --mocha-code-comment: #ddd; + --mocha-code-init: #2f6fad; + --mocha-code-string: #5890ad; + --mocha-code-keyword: #8a6343; + --mocha-code-number: #2f6fad; +} + +@media (prefers-color-scheme: dark) { + :root { + --mocha-color: #fff; + --mocha-bg-color: #222; + --mocha-test-pass-color: #00d6b2; + --mocha-test-pass-duration-color: #222; + --mocha-test-pass-shadow-color: rgba(255, 255, 255, 0.2); + --mocha-test-pass-mediump-color: #f1be67; + --mocha-test-pass-slow-color: #f49896; + --mocha-test-pending-color: #0b97c4; + --mocha-test-pending-icon-color: #0b97c4; + --mocha-test-fail-color: #f44; + --mocha-test-fail-icon-color: #f44; + --mocha-test-fail-pre-color: #fff; + --mocha-test-fail-pre-error-color: #f44; + --mocha-test-html-error-color: #fff; + --mocha-box-shadow-color: #444; + --mocha-box-bottom-color: #555; + --mocha-test-replay-color: #fff; + --mocha-test-replay-bg-color: #444; + --mocha-stats-color: #aaa; + --mocha-stats-em-color: #fff; + --mocha-stats-hover-color: #444; + --mocha-progress-ring-color: #444; + --mocha-progress-ring-highlight-color: #888; + --mocha-progress-text-color: #fff; + --mocha-error-color: #f44; + + --mocha-code-comment: #ddd; + --mocha-code-init: #9cc7f1; + --mocha-code-string: #80d4ff; + --mocha-code-keyword: #e3a470; + --mocha-code-number: #4ca7ff; + } +} + +body { + margin:0; + background-color: var(--mocha-bg-color); + color: var(--mocha-color); +} + +#mocha { + font: 20px/1.5 "Helvetica Neue", Helvetica, Arial, sans-serif; + margin: 60px 50px; +} + +#mocha ul, +#mocha li { + margin: 0; + padding: 0; +} + +#mocha ul { + list-style: none; +} + +#mocha h1, +#mocha h2 { + margin: 0; +} + +#mocha h1 { + margin-top: 15px; + font-size: 1em; + font-weight: 200; +} + +#mocha h1 a { + text-decoration: none; + color: inherit; +} + +#mocha h1 a:hover { + text-decoration: underline; +} + +#mocha .suite .suite h1 { + margin-top: 0; + font-size: .8em; +} + +#mocha .hidden { + display: none; +} + +#mocha h2 { + font-size: 12px; + font-weight: normal; + cursor: pointer; +} + +#mocha .suite { + margin-left: 15px; +} + +#mocha .test { + margin-left: 15px; + overflow: hidden; +} + +#mocha .test.pending:hover h2::after { + content: '(pending)'; + font-family: arial, sans-serif; +} + +#mocha .test.pass.medium .duration { + background: var(--mocha-test-pass-mediump-color); +} + +#mocha .test.pass.slow .duration { + background: var(--mocha-test-pass-slow-color); +} + +#mocha .test.pass::before { + content: '✓'; + font-size: 12px; + display: block; + float: left; + margin-right: 5px; + color: var(--mocha-test-pass-color); +} + +#mocha .test.pass .duration { + font-size: 9px; + margin-left: 5px; + padding: 2px 5px; + color: var(--mocha-test-pass-duration-color); + -webkit-box-shadow: inset 0 1px 1px var(--mocha-test-pass-shadow-color); + -moz-box-shadow: inset 0 1px 1px var(--mocha-test-pass-shadow-color); + box-shadow: inset 0 1px 1px var(--mocha-test-pass-shadow-color); + -webkit-border-radius: 5px; + -moz-border-radius: 5px; + -ms-border-radius: 5px; + -o-border-radius: 5px; + border-radius: 5px; +} + +#mocha .test.pass.fast .duration { + display: none; +} + +#mocha .test.pending { + color: var(--mocha-test-pending-color); +} + +#mocha .test.pending::before { + content: '◦'; + color: var(--mocha-test-pending-icon-color); +} + +#mocha .test.fail { + color: var(--mocha-test-fail-color); +} + +#mocha .test.fail pre { + color: var(--mocha-test-fail-pre-color); +} + +#mocha .test.fail::before { + content: '✖'; + font-size: 12px; + display: block; + float: left; + margin-right: 5px; + color: var(--mocha-test-fail-icon-color); +} + +#mocha .test pre.error { + color: var(--mocha-test-fail-pre-error-color); + max-height: 300px; + overflow: auto; +} + +#mocha .test .html-error { + overflow: auto; + color: var(--mocha-test-html-error-color); + display: block; + float: left; + clear: left; + font: 12px/1.5 monaco, monospace; + margin: 5px; + padding: 15px; + border: 1px solid var(--mocha-box-shadow-color); + max-width: 85%; /*(1)*/ + max-width: -webkit-calc(100% - 42px); + max-width: -moz-calc(100% - 42px); + max-width: calc(100% - 42px); /*(2)*/ + max-height: 300px; + word-wrap: break-word; + border-bottom-color: var(--mocha-box-bottom-color); + -webkit-box-shadow: 0 1px 3px var(--mocha-box-shadow-color); + -moz-box-shadow: 0 1px 3px var(--mocha-box-shadow-color); + box-shadow: 0 1px 3px var(--mocha-box-shadow-color); + -webkit-border-radius: 3px; + -moz-border-radius: 3px; + border-radius: 3px; +} + +#mocha .test .html-error pre.error { + border: none; + -webkit-border-radius: 0; + -moz-border-radius: 0; + border-radius: 0; + -webkit-box-shadow: 0; + -moz-box-shadow: 0; + box-shadow: 0; + padding: 0; + margin: 0; + margin-top: 18px; + max-height: none; +} + +/** + * (1): approximate for browsers not supporting calc + * (2): 42 = 2*15 + 2*10 + 2*1 (padding + margin + border) + * ^^ seriously + */ +#mocha .test pre { + display: block; + float: left; + clear: left; + font: 12px/1.5 monaco, monospace; + margin: 5px; + padding: 15px; + border: 1px solid var(--mocha-box-shadow-color); + max-width: 85%; /*(1)*/ + max-width: -webkit-calc(100% - 42px); + max-width: -moz-calc(100% - 42px); + max-width: calc(100% - 42px); /*(2)*/ + word-wrap: break-word; + border-bottom-color: var(--mocha-box-bottom-color); + -webkit-box-shadow: 0 1px 3px var(--mocha-box-shadow-color); + -moz-box-shadow: 0 1px 3px var(--mocha-box-shadow-color); + box-shadow: 0 1px 3px var(--mocha-box-shadow-color); + -webkit-border-radius: 3px; + -moz-border-radius: 3px; + border-radius: 3px; +} + +#mocha .test h2 { + position: relative; +} + +#mocha .test a.replay { + position: absolute; + top: 3px; + right: 0; + text-decoration: none; + vertical-align: middle; + display: block; + width: 15px; + height: 15px; + line-height: 15px; + text-align: center; + background: var(--mocha-test-replay-bg-color); + font-size: 15px; + -webkit-border-radius: 15px; + -moz-border-radius: 15px; + border-radius: 15px; + -webkit-transition:opacity 200ms; + -moz-transition:opacity 200ms; + -o-transition:opacity 200ms; + transition: opacity 200ms; + opacity: 0.7; + color: var(--mocha-test-replay-color); +} + +#mocha .test:hover a.replay { + box-shadow: 0 0 1px inset var(--mocha-test-replay-color); + opacity: 1; +} + +#mocha-report.pass .test.fail { + display: none; +} + +#mocha-report.fail .test.pass { + display: none; +} + +#mocha-report.pending .test.pass, +#mocha-report.pending .test.fail { + display: none; +} +#mocha-report.pending .test.pass.pending { + display: block; +} + +#mocha-error { + color: var(--mocha-error-color); + font-size: 1.5em; + font-weight: 100; + letter-spacing: 1px; +} + +#mocha-stats { + --ring-container-size: 40px; + --ring-size: 39px; + --ring-radius: calc(var(--ring-size) / 2); + + position: fixed; + top: 15px; + right: 10px; + font-size: 12px; + margin: 0; + color: var(--mocha-stats-color); + z-index: 1; +} + +#mocha-stats.fail li.result { + color: var(--mocha-test-fail-color); +} + +#mocha-stats.fail li.failures { + color: var(--mocha-test-fail-color); +} + +#mocha-stats.fail li.failures em { + color: var(--mocha-test-fail-color); +} + +#mocha-stats.pass li.result { + color: var(--mocha-test-pass-color); +} + +#mocha-stats.pass li.passes { + color: var(--mocha-test-pass-color); +} + +#mocha-stats.pass li.passes em { + color: var(--mocha-test-pass-color); +} + +#mocha-stats .progress-contain { + float: right; + padding: 0; +} + +#mocha-stats .progress-element, +#mocha-stats .progress-text { + width: var(--ring-container-size); + display: block; + top: 12px; + position: absolute; +} + +#mocha-stats .progress-element { + visibility: hidden; + height: calc(var(--ring-container-size) / 2); +} + +#mocha-stats .progress-text { + text-align: center; + text-overflow: clip; + overflow: hidden; + color: var(--mocha-stats-em-color); + font-size: 11px; +} + +#mocha-stats .progress-ring { + width: var(--ring-container-size); + height: var(--ring-container-size); +} + +#mocha-stats .ring-flatlight, +#mocha-stats .ring-highlight { + --stroke-thickness: 1.65px; + --center: calc(var(--ring-container-size) / 2); + cx: var(--center); + cy: var(--center); + r: calc(var(--ring-radius) - calc(var(--stroke-thickness) / 2)); + fill: hsla(0, 0%, 0%, 0); + stroke-width: var(--stroke-thickness); +} + +#mocha-stats .ring-flatlight { + stroke: var(--mocha-progress-ring-color); +} + +#mocha-stats .ring-highlight { + stroke: var(--mocha-progress-ring-highlight-color); +} + +#mocha-stats em { + color: var(--mocha-stats-em-color); +} + +#mocha-stats a { + text-decoration: none; + color: inherit; +} + +#mocha-stats a:hover { + border-bottom: 1px solid var(--mocha-stats-hover-color); +} + +#mocha-stats li { + display: inline-block; + margin: 0 5px; + list-style: none; + padding-top: 11px; +} + +#mocha code .comment { color: var(--mocha-code-comment); } +#mocha code .init { color: var(--mocha-code-init); } +#mocha code .string { color: var(--mocha-code-string); } +#mocha code .keyword { color: var(--mocha-code-keyword); } +#mocha code .number { color: var(--mocha-code-number); } + +@media screen and (max-device-width: 480px) { + #mocha { + margin: 60px 0px; + } + + #mocha #stats { + position: absolute; + } +} diff --git a/tests/mocha.js b/tests/mocha.js new file mode 100644 index 0000000..6ddf3d0 --- /dev/null +++ b/tests/mocha.js @@ -0,0 +1,20776 @@ +// mocha@10.8.2 in javascript ES2018 +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : + typeof define === 'function' && define.amd ? define(factory) : + (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.mocha = factory()); +})(this, (function () { 'use strict'; + + var global$2 = (typeof global !== "undefined" ? global : + typeof self !== "undefined" ? self : + typeof window !== "undefined" ? window : {}); + + var global$1 = (typeof global$2 !== "undefined" ? global$2 : + typeof self !== "undefined" ? self : + typeof window !== "undefined" ? window : {}); + + // shim for using process in browser + // based off https://github.com/defunctzombie/node-process/blob/master/browser.js + + function defaultSetTimout$1() { + throw new Error('setTimeout has not been defined'); + } + function defaultClearTimeout$1 () { + throw new Error('clearTimeout has not been defined'); + } + var cachedSetTimeout$1 = defaultSetTimout$1; + var cachedClearTimeout$1 = defaultClearTimeout$1; + if (typeof global$1.setTimeout === 'function') { + cachedSetTimeout$1 = setTimeout; + } + if (typeof global$1.clearTimeout === 'function') { + cachedClearTimeout$1 = clearTimeout; + } + + function runTimeout$1(fun) { + if (cachedSetTimeout$1 === setTimeout) { + //normal enviroments in sane situations + return setTimeout(fun, 0); + } + // if setTimeout wasn't available but was latter defined + if ((cachedSetTimeout$1 === defaultSetTimout$1 || !cachedSetTimeout$1) && setTimeout) { + cachedSetTimeout$1 = setTimeout; + return setTimeout(fun, 0); + } + try { + // when when somebody has screwed with setTimeout but no I.E. maddness + return cachedSetTimeout$1(fun, 0); + } catch(e){ + try { + // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally + return cachedSetTimeout$1.call(null, fun, 0); + } catch(e){ + // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error + return cachedSetTimeout$1.call(this, fun, 0); + } + } + + + } + function runClearTimeout$1(marker) { + if (cachedClearTimeout$1 === clearTimeout) { + //normal enviroments in sane situations + return clearTimeout(marker); + } + // if clearTimeout wasn't available but was latter defined + if ((cachedClearTimeout$1 === defaultClearTimeout$1 || !cachedClearTimeout$1) && clearTimeout) { + cachedClearTimeout$1 = clearTimeout; + return clearTimeout(marker); + } + try { + // when when somebody has screwed with setTimeout but no I.E. maddness + return cachedClearTimeout$1(marker); + } catch (e){ + try { + // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally + return cachedClearTimeout$1.call(null, marker); + } catch (e){ + // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error. + // Some versions of I.E. have different rules for clearTimeout vs setTimeout + return cachedClearTimeout$1.call(this, marker); + } + } + + + + } + var queue$1 = []; + var draining$1 = false; + var currentQueue$1; + var queueIndex$1 = -1; + + function cleanUpNextTick$1() { + if (!draining$1 || !currentQueue$1) { + return; + } + draining$1 = false; + if (currentQueue$1.length) { + queue$1 = currentQueue$1.concat(queue$1); + } else { + queueIndex$1 = -1; + } + if (queue$1.length) { + drainQueue$1(); + } + } + + function drainQueue$1() { + if (draining$1) { + return; + } + var timeout = runTimeout$1(cleanUpNextTick$1); + draining$1 = true; + + var len = queue$1.length; + while(len) { + currentQueue$1 = queue$1; + queue$1 = []; + while (++queueIndex$1 < len) { + if (currentQueue$1) { + currentQueue$1[queueIndex$1].run(); + } + } + queueIndex$1 = -1; + len = queue$1.length; + } + currentQueue$1 = null; + draining$1 = false; + runClearTimeout$1(timeout); + } + function nextTick$1(fun) { + var args = new Array(arguments.length - 1); + if (arguments.length > 1) { + for (var i = 1; i < arguments.length; i++) { + args[i - 1] = arguments[i]; + } + } + queue$1.push(new Item$1(fun, args)); + if (queue$1.length === 1 && !draining$1) { + runTimeout$1(drainQueue$1); + } + } + // v8 likes predictible objects + function Item$1(fun, array) { + this.fun = fun; + this.array = array; + } + Item$1.prototype.run = function () { + this.fun.apply(null, this.array); + }; + var title$1 = 'browser'; + var platform$1 = 'browser'; + var browser$4 = true; + var env$1 = {}; + var argv$1 = []; + var version$2 = ''; // empty string to avoid regexp issues + var versions$1 = {}; + var release$1 = {}; + var config$1 = {}; + + function noop$1() {} + + var on$1 = noop$1; + var addListener$1 = noop$1; + var once$1 = noop$1; + var off$1 = noop$1; + var removeListener$1 = noop$1; + var removeAllListeners$1 = noop$1; + var emit$1 = noop$1; + + function binding$1(name) { + throw new Error('process.binding is not supported'); + } + + function cwd$1 () { return '/' } + function chdir$1 (dir) { + throw new Error('process.chdir is not supported'); + }function umask$1() { return 0; } + + // from https://github.com/kumavis/browser-process-hrtime/blob/master/index.js + var performance$1 = global$1.performance || {}; + var performanceNow$1 = + performance$1.now || + performance$1.mozNow || + performance$1.msNow || + performance$1.oNow || + performance$1.webkitNow || + function(){ return (new Date()).getTime() }; + + // generate timestamp or delta + // see http://nodejs.org/api/process.html#process_process_hrtime + function hrtime$1(previousTimestamp){ + var clocktime = performanceNow$1.call(performance$1)*1e-3; + var seconds = Math.floor(clocktime); + var nanoseconds = Math.floor((clocktime%1)*1e9); + if (previousTimestamp) { + seconds = seconds - previousTimestamp[0]; + nanoseconds = nanoseconds - previousTimestamp[1]; + if (nanoseconds<0) { + seconds--; + nanoseconds += 1e9; + } + } + return [seconds,nanoseconds] + } + + var startTime$1 = new Date(); + function uptime$1() { + var currentTime = new Date(); + var dif = currentTime - startTime$1; + return dif / 1000; + } + + var process = { + nextTick: nextTick$1, + title: title$1, + browser: browser$4, + env: env$1, + argv: argv$1, + version: version$2, + versions: versions$1, + on: on$1, + addListener: addListener$1, + once: once$1, + off: off$1, + removeListener: removeListener$1, + removeAllListeners: removeAllListeners$1, + emit: emit$1, + binding: binding$1, + cwd: cwd$1, + chdir: chdir$1, + umask: umask$1, + hrtime: hrtime$1, + platform: platform$1, + release: release$1, + config: config$1, + uptime: uptime$1 + }; + + var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {}; + + function getAugmentedNamespace(n) { + if (n.__esModule) return n; + var a = Object.defineProperty({}, '__esModule', {value: true}); + Object.keys(n).forEach(function (k) { + var d = Object.getOwnPropertyDescriptor(n, k); + Object.defineProperty(a, k, d.get ? d : { + enumerable: true, + get: function () { + return n[k]; + } + }); + }); + return a; + } + + function commonjsRequire (path) { + throw new Error('Could not dynamically require "' + path + '". Please configure the dynamicRequireTargets or/and ignoreDynamicRequires option of @rollup/plugin-commonjs appropriately for this require call to work.'); + } + + var domain; + + // This constructor is used to store event handlers. Instantiating this is + // faster than explicitly calling `Object.create(null)` to get a "clean" empty + // object (tested with v8 v4.9). + function EventHandlers() {} + EventHandlers.prototype = Object.create(null); + + function EventEmitter$2() { + EventEmitter$2.init.call(this); + } + + // nodejs oddity + // require('events') === require('events').EventEmitter + EventEmitter$2.EventEmitter = EventEmitter$2; + + EventEmitter$2.usingDomains = false; + + EventEmitter$2.prototype.domain = undefined; + EventEmitter$2.prototype._events = undefined; + EventEmitter$2.prototype._maxListeners = undefined; + + // By default EventEmitters will print a warning if more than 10 listeners are + // added to it. This is a useful default which helps finding memory leaks. + EventEmitter$2.defaultMaxListeners = 10; + + EventEmitter$2.init = function() { + this.domain = null; + if (EventEmitter$2.usingDomains) { + // if there is an active domain, then attach to it. + if (domain.active ) ; + } + + if (!this._events || this._events === Object.getPrototypeOf(this)._events) { + this._events = new EventHandlers(); + this._eventsCount = 0; + } + + this._maxListeners = this._maxListeners || undefined; + }; + + // Obviously not all Emitters should be limited to 10. This function allows + // that to be increased. Set to zero for unlimited. + EventEmitter$2.prototype.setMaxListeners = function setMaxListeners(n) { + if (typeof n !== 'number' || n < 0 || isNaN(n)) + throw new TypeError('"n" argument must be a positive number'); + this._maxListeners = n; + return this; + }; + + function $getMaxListeners(that) { + if (that._maxListeners === undefined) + return EventEmitter$2.defaultMaxListeners; + return that._maxListeners; + } + + EventEmitter$2.prototype.getMaxListeners = function getMaxListeners() { + return $getMaxListeners(this); + }; + + // These standalone emit* functions are used to optimize calling of event + // handlers for fast cases because emit() itself often has a variable number of + // arguments and can be deoptimized because of that. These functions always have + // the same number of arguments and thus do not get deoptimized, so the code + // inside them can execute faster. + function emitNone(handler, isFn, self) { + if (isFn) + handler.call(self); + else { + var len = handler.length; + var listeners = arrayClone(handler, len); + for (var i = 0; i < len; ++i) + listeners[i].call(self); + } + } + function emitOne(handler, isFn, self, arg1) { + if (isFn) + handler.call(self, arg1); + else { + var len = handler.length; + var listeners = arrayClone(handler, len); + for (var i = 0; i < len; ++i) + listeners[i].call(self, arg1); + } + } + function emitTwo(handler, isFn, self, arg1, arg2) { + if (isFn) + handler.call(self, arg1, arg2); + else { + var len = handler.length; + var listeners = arrayClone(handler, len); + for (var i = 0; i < len; ++i) + listeners[i].call(self, arg1, arg2); + } + } + function emitThree(handler, isFn, self, arg1, arg2, arg3) { + if (isFn) + handler.call(self, arg1, arg2, arg3); + else { + var len = handler.length; + var listeners = arrayClone(handler, len); + for (var i = 0; i < len; ++i) + listeners[i].call(self, arg1, arg2, arg3); + } + } + + function emitMany(handler, isFn, self, args) { + if (isFn) + handler.apply(self, args); + else { + var len = handler.length; + var listeners = arrayClone(handler, len); + for (var i = 0; i < len; ++i) + listeners[i].apply(self, args); + } + } + + EventEmitter$2.prototype.emit = function emit(type) { + var er, handler, len, args, i, events, domain; + var doError = (type === 'error'); + + events = this._events; + if (events) + doError = (doError && events.error == null); + else if (!doError) + return false; + + domain = this.domain; + + // If there is no 'error' event listener then throw. + if (doError) { + er = arguments[1]; + if (domain) { + if (!er) + er = new Error('Uncaught, unspecified "error" event'); + er.domainEmitter = this; + er.domain = domain; + er.domainThrown = false; + domain.emit('error', er); + } else if (er instanceof Error) { + throw er; // Unhandled 'error' event + } else { + // At least give some kind of context to the user + var err = new Error('Uncaught, unspecified "error" event. (' + er + ')'); + err.context = er; + throw err; + } + return false; + } + + handler = events[type]; + + if (!handler) + return false; + + var isFn = typeof handler === 'function'; + len = arguments.length; + switch (len) { + // fast cases + case 1: + emitNone(handler, isFn, this); + break; + case 2: + emitOne(handler, isFn, this, arguments[1]); + break; + case 3: + emitTwo(handler, isFn, this, arguments[1], arguments[2]); + break; + case 4: + emitThree(handler, isFn, this, arguments[1], arguments[2], arguments[3]); + break; + // slower + default: + args = new Array(len - 1); + for (i = 1; i < len; i++) + args[i - 1] = arguments[i]; + emitMany(handler, isFn, this, args); + } + + return true; + }; + + function _addListener(target, type, listener, prepend) { + var m; + var events; + var existing; + + if (typeof listener !== 'function') + throw new TypeError('"listener" argument must be a function'); + + events = target._events; + if (!events) { + events = target._events = new EventHandlers(); + target._eventsCount = 0; + } else { + // To avoid recursion in the case that type === "newListener"! Before + // adding it to the listeners, first emit "newListener". + if (events.newListener) { + target.emit('newListener', type, + listener.listener ? listener.listener : listener); + + // Re-assign `events` because a newListener handler could have caused the + // this._events to be assigned to a new object + events = target._events; + } + existing = events[type]; + } + + if (!existing) { + // Optimize the case of one listener. Don't need the extra array object. + existing = events[type] = listener; + ++target._eventsCount; + } else { + if (typeof existing === 'function') { + // Adding the second element, need to change to array. + existing = events[type] = prepend ? [listener, existing] : + [existing, listener]; + } else { + // If we've already got an array, just append. + if (prepend) { + existing.unshift(listener); + } else { + existing.push(listener); + } + } + + // Check for listener leak + if (!existing.warned) { + m = $getMaxListeners(target); + if (m && m > 0 && existing.length > m) { + existing.warned = true; + var w = new Error('Possible EventEmitter memory leak detected. ' + + existing.length + ' ' + type + ' listeners added. ' + + 'Use emitter.setMaxListeners() to increase limit'); + w.name = 'MaxListenersExceededWarning'; + w.emitter = target; + w.type = type; + w.count = existing.length; + emitWarning$1(w); + } + } + } + + return target; + } + function emitWarning$1(e) { + typeof console.warn === 'function' ? console.warn(e) : console.log(e); + } + EventEmitter$2.prototype.addListener = function addListener(type, listener) { + return _addListener(this, type, listener, false); + }; + + EventEmitter$2.prototype.on = EventEmitter$2.prototype.addListener; + + EventEmitter$2.prototype.prependListener = + function prependListener(type, listener) { + return _addListener(this, type, listener, true); + }; + + function _onceWrap(target, type, listener) { + var fired = false; + function g() { + target.removeListener(type, g); + if (!fired) { + fired = true; + listener.apply(target, arguments); + } + } + g.listener = listener; + return g; + } + + EventEmitter$2.prototype.once = function once(type, listener) { + if (typeof listener !== 'function') + throw new TypeError('"listener" argument must be a function'); + this.on(type, _onceWrap(this, type, listener)); + return this; + }; + + EventEmitter$2.prototype.prependOnceListener = + function prependOnceListener(type, listener) { + if (typeof listener !== 'function') + throw new TypeError('"listener" argument must be a function'); + this.prependListener(type, _onceWrap(this, type, listener)); + return this; + }; + + // emits a 'removeListener' event iff the listener was removed + EventEmitter$2.prototype.removeListener = + function removeListener(type, listener) { + var list, events, position, i, originalListener; + + if (typeof listener !== 'function') + throw new TypeError('"listener" argument must be a function'); + + events = this._events; + if (!events) + return this; + + list = events[type]; + if (!list) + return this; + + if (list === listener || (list.listener && list.listener === listener)) { + if (--this._eventsCount === 0) + this._events = new EventHandlers(); + else { + delete events[type]; + if (events.removeListener) + this.emit('removeListener', type, list.listener || listener); + } + } else if (typeof list !== 'function') { + position = -1; + + for (i = list.length; i-- > 0;) { + if (list[i] === listener || + (list[i].listener && list[i].listener === listener)) { + originalListener = list[i].listener; + position = i; + break; + } + } + + if (position < 0) + return this; + + if (list.length === 1) { + list[0] = undefined; + if (--this._eventsCount === 0) { + this._events = new EventHandlers(); + return this; + } else { + delete events[type]; + } + } else { + spliceOne(list, position); + } + + if (events.removeListener) + this.emit('removeListener', type, originalListener || listener); + } + + return this; + }; + + // Alias for removeListener added in NodeJS 10.0 + // https://nodejs.org/api/events.html#events_emitter_off_eventname_listener + EventEmitter$2.prototype.off = function(type, listener){ + return this.removeListener(type, listener); + }; + + EventEmitter$2.prototype.removeAllListeners = + function removeAllListeners(type) { + var listeners, events; + + events = this._events; + if (!events) + return this; + + // not listening for removeListener, no need to emit + if (!events.removeListener) { + if (arguments.length === 0) { + this._events = new EventHandlers(); + this._eventsCount = 0; + } else if (events[type]) { + if (--this._eventsCount === 0) + this._events = new EventHandlers(); + else + delete events[type]; + } + return this; + } + + // emit removeListener for all listeners on all events + if (arguments.length === 0) { + var keys = Object.keys(events); + for (var i = 0, key; i < keys.length; ++i) { + key = keys[i]; + if (key === 'removeListener') continue; + this.removeAllListeners(key); + } + this.removeAllListeners('removeListener'); + this._events = new EventHandlers(); + this._eventsCount = 0; + return this; + } + + listeners = events[type]; + + if (typeof listeners === 'function') { + this.removeListener(type, listeners); + } else if (listeners) { + // LIFO order + do { + this.removeListener(type, listeners[listeners.length - 1]); + } while (listeners[0]); + } + + return this; + }; + + EventEmitter$2.prototype.listeners = function listeners(type) { + var evlistener; + var ret; + var events = this._events; + + if (!events) + ret = []; + else { + evlistener = events[type]; + if (!evlistener) + ret = []; + else if (typeof evlistener === 'function') + ret = [evlistener.listener || evlistener]; + else + ret = unwrapListeners(evlistener); + } + + return ret; + }; + + EventEmitter$2.listenerCount = function(emitter, type) { + if (typeof emitter.listenerCount === 'function') { + return emitter.listenerCount(type); + } else { + return listenerCount$1.call(emitter, type); + } + }; + + EventEmitter$2.prototype.listenerCount = listenerCount$1; + function listenerCount$1(type) { + var events = this._events; + + if (events) { + var evlistener = events[type]; + + if (typeof evlistener === 'function') { + return 1; + } else if (evlistener) { + return evlistener.length; + } + } + + return 0; + } + + EventEmitter$2.prototype.eventNames = function eventNames() { + return this._eventsCount > 0 ? Reflect.ownKeys(this._events) : []; + }; + + // About 1.5x faster than the two-arg version of Array#splice(). + function spliceOne(list, index) { + for (var i = index, k = i + 1, n = list.length; k < n; i += 1, k += 1) + list[i] = list[k]; + list.pop(); + } + + function arrayClone(arr, i) { + var copy = new Array(i); + while (i--) + copy[i] = arr[i]; + return copy; + } + + function unwrapListeners(arr) { + var ret = new Array(arr.length); + for (var i = 0; i < ret.length; ++i) { + ret[i] = arr[i].listener || arr[i]; + } + return ret; + } + + var _polyfillNode_events = /*#__PURE__*/Object.freeze({ + __proto__: null, + 'default': EventEmitter$2, + EventEmitter: EventEmitter$2 + }); + + var lookup$1 = []; + var revLookup$1 = []; + var Arr$1 = typeof Uint8Array !== 'undefined' ? Uint8Array : Array; + var inited$1 = false; + function init$1 () { + inited$1 = true; + var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; + for (var i = 0, len = code.length; i < len; ++i) { + lookup$1[i] = code[i]; + revLookup$1[code.charCodeAt(i)] = i; + } + + revLookup$1['-'.charCodeAt(0)] = 62; + revLookup$1['_'.charCodeAt(0)] = 63; + } + + function toByteArray$1 (b64) { + if (!inited$1) { + init$1(); + } + var i, j, l, tmp, placeHolders, arr; + var len = b64.length; + + if (len % 4 > 0) { + throw new Error('Invalid string. Length must be a multiple of 4') + } + + // the number of equal signs (place holders) + // if there are two placeholders, than the two characters before it + // represent one byte + // if there is only one, then the three characters before it represent 2 bytes + // this is just a cheap hack to not do indexOf twice + placeHolders = b64[len - 2] === '=' ? 2 : b64[len - 1] === '=' ? 1 : 0; + + // base64 is 4/3 + up to two characters of the original data + arr = new Arr$1(len * 3 / 4 - placeHolders); + + // if there are placeholders, only get up to the last complete 4 chars + l = placeHolders > 0 ? len - 4 : len; + + var L = 0; + + for (i = 0, j = 0; i < l; i += 4, j += 3) { + tmp = (revLookup$1[b64.charCodeAt(i)] << 18) | (revLookup$1[b64.charCodeAt(i + 1)] << 12) | (revLookup$1[b64.charCodeAt(i + 2)] << 6) | revLookup$1[b64.charCodeAt(i + 3)]; + arr[L++] = (tmp >> 16) & 0xFF; + arr[L++] = (tmp >> 8) & 0xFF; + arr[L++] = tmp & 0xFF; + } + + if (placeHolders === 2) { + tmp = (revLookup$1[b64.charCodeAt(i)] << 2) | (revLookup$1[b64.charCodeAt(i + 1)] >> 4); + arr[L++] = tmp & 0xFF; + } else if (placeHolders === 1) { + tmp = (revLookup$1[b64.charCodeAt(i)] << 10) | (revLookup$1[b64.charCodeAt(i + 1)] << 4) | (revLookup$1[b64.charCodeAt(i + 2)] >> 2); + arr[L++] = (tmp >> 8) & 0xFF; + arr[L++] = tmp & 0xFF; + } + + return arr + } + + function tripletToBase64$1 (num) { + return lookup$1[num >> 18 & 0x3F] + lookup$1[num >> 12 & 0x3F] + lookup$1[num >> 6 & 0x3F] + lookup$1[num & 0x3F] + } + + function encodeChunk$1 (uint8, start, end) { + var tmp; + var output = []; + for (var i = start; i < end; i += 3) { + tmp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2]); + output.push(tripletToBase64$1(tmp)); + } + return output.join('') + } + + function fromByteArray$1 (uint8) { + if (!inited$1) { + init$1(); + } + var tmp; + var len = uint8.length; + var extraBytes = len % 3; // if we have 1 byte left, pad 2 bytes + var output = ''; + var parts = []; + var maxChunkLength = 16383; // must be multiple of 3 + + // go through the array every three bytes, we'll deal with trailing stuff later + for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) { + parts.push(encodeChunk$1(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength))); + } + + // pad the end with zeros, but make sure to not forget the extra bytes + if (extraBytes === 1) { + tmp = uint8[len - 1]; + output += lookup$1[tmp >> 2]; + output += lookup$1[(tmp << 4) & 0x3F]; + output += '=='; + } else if (extraBytes === 2) { + tmp = (uint8[len - 2] << 8) + (uint8[len - 1]); + output += lookup$1[tmp >> 10]; + output += lookup$1[(tmp >> 4) & 0x3F]; + output += lookup$1[(tmp << 2) & 0x3F]; + output += '='; + } + + parts.push(output); + + return parts.join('') + } + + function read$1 (buffer, offset, isLE, mLen, nBytes) { + var e, m; + var eLen = nBytes * 8 - mLen - 1; + var eMax = (1 << eLen) - 1; + var eBias = eMax >> 1; + var nBits = -7; + var i = isLE ? (nBytes - 1) : 0; + var d = isLE ? -1 : 1; + var s = buffer[offset + i]; + + i += d; + + e = s & ((1 << (-nBits)) - 1); + s >>= (-nBits); + nBits += eLen; + for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {} + + m = e & ((1 << (-nBits)) - 1); + e >>= (-nBits); + nBits += mLen; + for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {} + + if (e === 0) { + e = 1 - eBias; + } else if (e === eMax) { + return m ? NaN : ((s ? -1 : 1) * Infinity) + } else { + m = m + Math.pow(2, mLen); + e = e - eBias; + } + return (s ? -1 : 1) * m * Math.pow(2, e - mLen) + } + + function write$1 (buffer, value, offset, isLE, mLen, nBytes) { + var e, m, c; + var eLen = nBytes * 8 - mLen - 1; + var eMax = (1 << eLen) - 1; + var eBias = eMax >> 1; + var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0); + var i = isLE ? 0 : (nBytes - 1); + var d = isLE ? 1 : -1; + var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0; + + value = Math.abs(value); + + if (isNaN(value) || value === Infinity) { + m = isNaN(value) ? 1 : 0; + e = eMax; + } else { + e = Math.floor(Math.log(value) / Math.LN2); + if (value * (c = Math.pow(2, -e)) < 1) { + e--; + c *= 2; + } + if (e + eBias >= 1) { + value += rt / c; + } else { + value += rt * Math.pow(2, 1 - eBias); + } + if (value * c >= 2) { + e++; + c /= 2; + } + + if (e + eBias >= eMax) { + m = 0; + e = eMax; + } else if (e + eBias >= 1) { + m = (value * c - 1) * Math.pow(2, mLen); + e = e + eBias; + } else { + m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen); + e = 0; + } + } + + for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {} + + e = (e << mLen) | m; + eLen += mLen; + for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {} + + buffer[offset + i - d] |= s * 128; + } + + var toString$2 = {}.toString; + + var isArray$2 = Array.isArray || function (arr) { + return toString$2.call(arr) == '[object Array]'; + }; + + /*! + * The buffer module from node.js, for the browser. + * + * @author Feross Aboukhadijeh + * @license MIT + */ + + var INSPECT_MAX_BYTES$1 = 50; + + /** + * If `Buffer.TYPED_ARRAY_SUPPORT`: + * === true Use Uint8Array implementation (fastest) + * === false Use Object implementation (most compatible, even IE6) + * + * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+, + * Opera 11.6+, iOS 4.2+. + * + * Due to various browser bugs, sometimes the Object implementation will be used even + * when the browser supports typed arrays. + * + * Note: + * + * - Firefox 4-29 lacks support for adding new properties to `Uint8Array` instances, + * See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438. + * + * - Chrome 9-10 is missing the `TypedArray.prototype.subarray` function. + * + * - IE10 has a broken `TypedArray.prototype.subarray` function which returns arrays of + * incorrect length in some situations. + + * We detect these buggy browsers and set `Buffer.TYPED_ARRAY_SUPPORT` to `false` so they + * get the Object implementation, which is slower but behaves correctly. + */ + Buffer$1.TYPED_ARRAY_SUPPORT = global$2.TYPED_ARRAY_SUPPORT !== undefined + ? global$2.TYPED_ARRAY_SUPPORT + : true; + + /* + * Export kMaxLength after typed array support is determined. + */ + kMaxLength$1(); + + function kMaxLength$1 () { + return Buffer$1.TYPED_ARRAY_SUPPORT + ? 0x7fffffff + : 0x3fffffff + } + + function createBuffer$1 (that, length) { + if (kMaxLength$1() < length) { + throw new RangeError('Invalid typed array length') + } + if (Buffer$1.TYPED_ARRAY_SUPPORT) { + // Return an augmented `Uint8Array` instance, for best performance + that = new Uint8Array(length); + that.__proto__ = Buffer$1.prototype; + } else { + // Fallback: Return an object instance of the Buffer class + if (that === null) { + that = new Buffer$1(length); + } + that.length = length; + } + + return that + } + + /** + * The Buffer constructor returns instances of `Uint8Array` that have their + * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of + * `Uint8Array`, so the returned instances will have all the node `Buffer` methods + * and the `Uint8Array` methods. Square bracket notation works as expected -- it + * returns a single octet. + * + * The `Uint8Array` prototype remains unmodified. + */ + + function Buffer$1 (arg, encodingOrOffset, length) { + if (!Buffer$1.TYPED_ARRAY_SUPPORT && !(this instanceof Buffer$1)) { + return new Buffer$1(arg, encodingOrOffset, length) + } + + // Common case. + if (typeof arg === 'number') { + if (typeof encodingOrOffset === 'string') { + throw new Error( + 'If encoding is specified then the first argument must be a string' + ) + } + return allocUnsafe$1(this, arg) + } + return from$1(this, arg, encodingOrOffset, length) + } + + Buffer$1.poolSize = 8192; // not used by this implementation + + // TODO: Legacy, not needed anymore. Remove in next major version. + Buffer$1._augment = function (arr) { + arr.__proto__ = Buffer$1.prototype; + return arr + }; + + function from$1 (that, value, encodingOrOffset, length) { + if (typeof value === 'number') { + throw new TypeError('"value" argument must not be a number') + } + + if (typeof ArrayBuffer !== 'undefined' && value instanceof ArrayBuffer) { + return fromArrayBuffer$1(that, value, encodingOrOffset, length) + } + + if (typeof value === 'string') { + return fromString$1(that, value, encodingOrOffset) + } + + return fromObject$1(that, value) + } + + /** + * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError + * if value is a number. + * Buffer.from(str[, encoding]) + * Buffer.from(array) + * Buffer.from(buffer) + * Buffer.from(arrayBuffer[, byteOffset[, length]]) + **/ + Buffer$1.from = function (value, encodingOrOffset, length) { + return from$1(null, value, encodingOrOffset, length) + }; + + if (Buffer$1.TYPED_ARRAY_SUPPORT) { + Buffer$1.prototype.__proto__ = Uint8Array.prototype; + Buffer$1.__proto__ = Uint8Array; + } + + function assertSize$1 (size) { + if (typeof size !== 'number') { + throw new TypeError('"size" argument must be a number') + } else if (size < 0) { + throw new RangeError('"size" argument must not be negative') + } + } + + function alloc$1 (that, size, fill, encoding) { + assertSize$1(size); + if (size <= 0) { + return createBuffer$1(that, size) + } + if (fill !== undefined) { + // Only pay attention to encoding if it's a string. This + // prevents accidentally sending in a number that would + // be interpretted as a start offset. + return typeof encoding === 'string' + ? createBuffer$1(that, size).fill(fill, encoding) + : createBuffer$1(that, size).fill(fill) + } + return createBuffer$1(that, size) + } + + /** + * Creates a new filled Buffer instance. + * alloc(size[, fill[, encoding]]) + **/ + Buffer$1.alloc = function (size, fill, encoding) { + return alloc$1(null, size, fill, encoding) + }; + + function allocUnsafe$1 (that, size) { + assertSize$1(size); + that = createBuffer$1(that, size < 0 ? 0 : checked$1(size) | 0); + if (!Buffer$1.TYPED_ARRAY_SUPPORT) { + for (var i = 0; i < size; ++i) { + that[i] = 0; + } + } + return that + } + + /** + * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance. + * */ + Buffer$1.allocUnsafe = function (size) { + return allocUnsafe$1(null, size) + }; + /** + * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance. + */ + Buffer$1.allocUnsafeSlow = function (size) { + return allocUnsafe$1(null, size) + }; + + function fromString$1 (that, string, encoding) { + if (typeof encoding !== 'string' || encoding === '') { + encoding = 'utf8'; + } + + if (!Buffer$1.isEncoding(encoding)) { + throw new TypeError('"encoding" must be a valid string encoding') + } + + var length = byteLength$1(string, encoding) | 0; + that = createBuffer$1(that, length); + + var actual = that.write(string, encoding); + + if (actual !== length) { + // Writing a hex string, for example, that contains invalid characters will + // cause everything after the first invalid character to be ignored. (e.g. + // 'abxxcd' will be treated as 'ab') + that = that.slice(0, actual); + } + + return that + } + + function fromArrayLike$1 (that, array) { + var length = array.length < 0 ? 0 : checked$1(array.length) | 0; + that = createBuffer$1(that, length); + for (var i = 0; i < length; i += 1) { + that[i] = array[i] & 255; + } + return that + } + + function fromArrayBuffer$1 (that, array, byteOffset, length) { + array.byteLength; // this throws if `array` is not a valid ArrayBuffer + + if (byteOffset < 0 || array.byteLength < byteOffset) { + throw new RangeError('\'offset\' is out of bounds') + } + + if (array.byteLength < byteOffset + (length || 0)) { + throw new RangeError('\'length\' is out of bounds') + } + + if (byteOffset === undefined && length === undefined) { + array = new Uint8Array(array); + } else if (length === undefined) { + array = new Uint8Array(array, byteOffset); + } else { + array = new Uint8Array(array, byteOffset, length); + } + + if (Buffer$1.TYPED_ARRAY_SUPPORT) { + // Return an augmented `Uint8Array` instance, for best performance + that = array; + that.__proto__ = Buffer$1.prototype; + } else { + // Fallback: Return an object instance of the Buffer class + that = fromArrayLike$1(that, array); + } + return that + } + + function fromObject$1 (that, obj) { + if (internalIsBuffer$1(obj)) { + var len = checked$1(obj.length) | 0; + that = createBuffer$1(that, len); + + if (that.length === 0) { + return that + } + + obj.copy(that, 0, 0, len); + return that + } + + if (obj) { + if ((typeof ArrayBuffer !== 'undefined' && + obj.buffer instanceof ArrayBuffer) || 'length' in obj) { + if (typeof obj.length !== 'number' || isnan$1(obj.length)) { + return createBuffer$1(that, 0) + } + return fromArrayLike$1(that, obj) + } + + if (obj.type === 'Buffer' && isArray$2(obj.data)) { + return fromArrayLike$1(that, obj.data) + } + } + + throw new TypeError('First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.') + } + + function checked$1 (length) { + // Note: cannot use `length < kMaxLength()` here because that fails when + // length is NaN (which is otherwise coerced to zero.) + if (length >= kMaxLength$1()) { + throw new RangeError('Attempt to allocate Buffer larger than maximum ' + + 'size: 0x' + kMaxLength$1().toString(16) + ' bytes') + } + return length | 0 + } + Buffer$1.isBuffer = isBuffer$2; + function internalIsBuffer$1 (b) { + return !!(b != null && b._isBuffer) + } + + Buffer$1.compare = function compare (a, b) { + if (!internalIsBuffer$1(a) || !internalIsBuffer$1(b)) { + throw new TypeError('Arguments must be Buffers') + } + + if (a === b) return 0 + + var x = a.length; + var y = b.length; + + for (var i = 0, len = Math.min(x, y); i < len; ++i) { + if (a[i] !== b[i]) { + x = a[i]; + y = b[i]; + break + } + } + + if (x < y) return -1 + if (y < x) return 1 + return 0 + }; + + Buffer$1.isEncoding = function isEncoding (encoding) { + switch (String(encoding).toLowerCase()) { + case 'hex': + case 'utf8': + case 'utf-8': + case 'ascii': + case 'latin1': + case 'binary': + case 'base64': + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + return true + default: + return false + } + }; + + Buffer$1.concat = function concat (list, length) { + if (!isArray$2(list)) { + throw new TypeError('"list" argument must be an Array of Buffers') + } + + if (list.length === 0) { + return Buffer$1.alloc(0) + } + + var i; + if (length === undefined) { + length = 0; + for (i = 0; i < list.length; ++i) { + length += list[i].length; + } + } + + var buffer = Buffer$1.allocUnsafe(length); + var pos = 0; + for (i = 0; i < list.length; ++i) { + var buf = list[i]; + if (!internalIsBuffer$1(buf)) { + throw new TypeError('"list" argument must be an Array of Buffers') + } + buf.copy(buffer, pos); + pos += buf.length; + } + return buffer + }; + + function byteLength$1 (string, encoding) { + if (internalIsBuffer$1(string)) { + return string.length + } + if (typeof ArrayBuffer !== 'undefined' && typeof ArrayBuffer.isView === 'function' && + (ArrayBuffer.isView(string) || string instanceof ArrayBuffer)) { + return string.byteLength + } + if (typeof string !== 'string') { + string = '' + string; + } + + var len = string.length; + if (len === 0) return 0 + + // Use a for loop to avoid recursion + var loweredCase = false; + for (;;) { + switch (encoding) { + case 'ascii': + case 'latin1': + case 'binary': + return len + case 'utf8': + case 'utf-8': + case undefined: + return utf8ToBytes$1(string).length + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + return len * 2 + case 'hex': + return len >>> 1 + case 'base64': + return base64ToBytes$1(string).length + default: + if (loweredCase) return utf8ToBytes$1(string).length // assume utf8 + encoding = ('' + encoding).toLowerCase(); + loweredCase = true; + } + } + } + Buffer$1.byteLength = byteLength$1; + + function slowToString$1 (encoding, start, end) { + var loweredCase = false; + + // No need to verify that "this.length <= MAX_UINT32" since it's a read-only + // property of a typed array. + + // This behaves neither like String nor Uint8Array in that we set start/end + // to their upper/lower bounds if the value passed is out of range. + // undefined is handled specially as per ECMA-262 6th Edition, + // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization. + if (start === undefined || start < 0) { + start = 0; + } + // Return early if start > this.length. Done here to prevent potential uint32 + // coercion fail below. + if (start > this.length) { + return '' + } + + if (end === undefined || end > this.length) { + end = this.length; + } + + if (end <= 0) { + return '' + } + + // Force coersion to uint32. This will also coerce falsey/NaN values to 0. + end >>>= 0; + start >>>= 0; + + if (end <= start) { + return '' + } + + if (!encoding) encoding = 'utf8'; + + while (true) { + switch (encoding) { + case 'hex': + return hexSlice$1(this, start, end) + + case 'utf8': + case 'utf-8': + return utf8Slice$1(this, start, end) + + case 'ascii': + return asciiSlice$1(this, start, end) + + case 'latin1': + case 'binary': + return latin1Slice$1(this, start, end) + + case 'base64': + return base64Slice$1(this, start, end) + + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + return utf16leSlice$1(this, start, end) + + default: + if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding) + encoding = (encoding + '').toLowerCase(); + loweredCase = true; + } + } + } + + // The property is used by `Buffer.isBuffer` and `is-buffer` (in Safari 5-7) to detect + // Buffer instances. + Buffer$1.prototype._isBuffer = true; + + function swap$1 (b, n, m) { + var i = b[n]; + b[n] = b[m]; + b[m] = i; + } + + Buffer$1.prototype.swap16 = function swap16 () { + var len = this.length; + if (len % 2 !== 0) { + throw new RangeError('Buffer size must be a multiple of 16-bits') + } + for (var i = 0; i < len; i += 2) { + swap$1(this, i, i + 1); + } + return this + }; + + Buffer$1.prototype.swap32 = function swap32 () { + var len = this.length; + if (len % 4 !== 0) { + throw new RangeError('Buffer size must be a multiple of 32-bits') + } + for (var i = 0; i < len; i += 4) { + swap$1(this, i, i + 3); + swap$1(this, i + 1, i + 2); + } + return this + }; + + Buffer$1.prototype.swap64 = function swap64 () { + var len = this.length; + if (len % 8 !== 0) { + throw new RangeError('Buffer size must be a multiple of 64-bits') + } + for (var i = 0; i < len; i += 8) { + swap$1(this, i, i + 7); + swap$1(this, i + 1, i + 6); + swap$1(this, i + 2, i + 5); + swap$1(this, i + 3, i + 4); + } + return this + }; + + Buffer$1.prototype.toString = function toString () { + var length = this.length | 0; + if (length === 0) return '' + if (arguments.length === 0) return utf8Slice$1(this, 0, length) + return slowToString$1.apply(this, arguments) + }; + + Buffer$1.prototype.equals = function equals (b) { + if (!internalIsBuffer$1(b)) throw new TypeError('Argument must be a Buffer') + if (this === b) return true + return Buffer$1.compare(this, b) === 0 + }; + + Buffer$1.prototype.inspect = function inspect () { + var str = ''; + var max = INSPECT_MAX_BYTES$1; + if (this.length > 0) { + str = this.toString('hex', 0, max).match(/.{2}/g).join(' '); + if (this.length > max) str += ' ... '; + } + return '' + }; + + Buffer$1.prototype.compare = function compare (target, start, end, thisStart, thisEnd) { + if (!internalIsBuffer$1(target)) { + throw new TypeError('Argument must be a Buffer') + } + + if (start === undefined) { + start = 0; + } + if (end === undefined) { + end = target ? target.length : 0; + } + if (thisStart === undefined) { + thisStart = 0; + } + if (thisEnd === undefined) { + thisEnd = this.length; + } + + if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) { + throw new RangeError('out of range index') + } + + if (thisStart >= thisEnd && start >= end) { + return 0 + } + if (thisStart >= thisEnd) { + return -1 + } + if (start >= end) { + return 1 + } + + start >>>= 0; + end >>>= 0; + thisStart >>>= 0; + thisEnd >>>= 0; + + if (this === target) return 0 + + var x = thisEnd - thisStart; + var y = end - start; + var len = Math.min(x, y); + + var thisCopy = this.slice(thisStart, thisEnd); + var targetCopy = target.slice(start, end); + + for (var i = 0; i < len; ++i) { + if (thisCopy[i] !== targetCopy[i]) { + x = thisCopy[i]; + y = targetCopy[i]; + break + } + } + + if (x < y) return -1 + if (y < x) return 1 + return 0 + }; + + // Finds either the first index of `val` in `buffer` at offset >= `byteOffset`, + // OR the last index of `val` in `buffer` at offset <= `byteOffset`. + // + // Arguments: + // - buffer - a Buffer to search + // - val - a string, Buffer, or number + // - byteOffset - an index into `buffer`; will be clamped to an int32 + // - encoding - an optional encoding, relevant is val is a string + // - dir - true for indexOf, false for lastIndexOf + function bidirectionalIndexOf$1 (buffer, val, byteOffset, encoding, dir) { + // Empty buffer means no match + if (buffer.length === 0) return -1 + + // Normalize byteOffset + if (typeof byteOffset === 'string') { + encoding = byteOffset; + byteOffset = 0; + } else if (byteOffset > 0x7fffffff) { + byteOffset = 0x7fffffff; + } else if (byteOffset < -0x80000000) { + byteOffset = -0x80000000; + } + byteOffset = +byteOffset; // Coerce to Number. + if (isNaN(byteOffset)) { + // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer + byteOffset = dir ? 0 : (buffer.length - 1); + } + + // Normalize byteOffset: negative offsets start from the end of the buffer + if (byteOffset < 0) byteOffset = buffer.length + byteOffset; + if (byteOffset >= buffer.length) { + if (dir) return -1 + else byteOffset = buffer.length - 1; + } else if (byteOffset < 0) { + if (dir) byteOffset = 0; + else return -1 + } + + // Normalize val + if (typeof val === 'string') { + val = Buffer$1.from(val, encoding); + } + + // Finally, search either indexOf (if dir is true) or lastIndexOf + if (internalIsBuffer$1(val)) { + // Special case: looking for empty string/buffer always fails + if (val.length === 0) { + return -1 + } + return arrayIndexOf$1(buffer, val, byteOffset, encoding, dir) + } else if (typeof val === 'number') { + val = val & 0xFF; // Search for a byte value [0-255] + if (Buffer$1.TYPED_ARRAY_SUPPORT && + typeof Uint8Array.prototype.indexOf === 'function') { + if (dir) { + return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset) + } else { + return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset) + } + } + return arrayIndexOf$1(buffer, [ val ], byteOffset, encoding, dir) + } + + throw new TypeError('val must be string, number or Buffer') + } + + function arrayIndexOf$1 (arr, val, byteOffset, encoding, dir) { + var indexSize = 1; + var arrLength = arr.length; + var valLength = val.length; + + if (encoding !== undefined) { + encoding = String(encoding).toLowerCase(); + if (encoding === 'ucs2' || encoding === 'ucs-2' || + encoding === 'utf16le' || encoding === 'utf-16le') { + if (arr.length < 2 || val.length < 2) { + return -1 + } + indexSize = 2; + arrLength /= 2; + valLength /= 2; + byteOffset /= 2; + } + } + + function read (buf, i) { + if (indexSize === 1) { + return buf[i] + } else { + return buf.readUInt16BE(i * indexSize) + } + } + + var i; + if (dir) { + var foundIndex = -1; + for (i = byteOffset; i < arrLength; i++) { + if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) { + if (foundIndex === -1) foundIndex = i; + if (i - foundIndex + 1 === valLength) return foundIndex * indexSize + } else { + if (foundIndex !== -1) i -= i - foundIndex; + foundIndex = -1; + } + } + } else { + if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength; + for (i = byteOffset; i >= 0; i--) { + var found = true; + for (var j = 0; j < valLength; j++) { + if (read(arr, i + j) !== read(val, j)) { + found = false; + break + } + } + if (found) return i + } + } + + return -1 + } + + Buffer$1.prototype.includes = function includes (val, byteOffset, encoding) { + return this.indexOf(val, byteOffset, encoding) !== -1 + }; + + Buffer$1.prototype.indexOf = function indexOf (val, byteOffset, encoding) { + return bidirectionalIndexOf$1(this, val, byteOffset, encoding, true) + }; + + Buffer$1.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) { + return bidirectionalIndexOf$1(this, val, byteOffset, encoding, false) + }; + + function hexWrite$1 (buf, string, offset, length) { + offset = Number(offset) || 0; + var remaining = buf.length - offset; + if (!length) { + length = remaining; + } else { + length = Number(length); + if (length > remaining) { + length = remaining; + } + } + + // must be an even number of digits + var strLen = string.length; + if (strLen % 2 !== 0) throw new TypeError('Invalid hex string') + + if (length > strLen / 2) { + length = strLen / 2; + } + for (var i = 0; i < length; ++i) { + var parsed = parseInt(string.substr(i * 2, 2), 16); + if (isNaN(parsed)) return i + buf[offset + i] = parsed; + } + return i + } + + function utf8Write$1 (buf, string, offset, length) { + return blitBuffer$1(utf8ToBytes$1(string, buf.length - offset), buf, offset, length) + } + + function asciiWrite$1 (buf, string, offset, length) { + return blitBuffer$1(asciiToBytes$1(string), buf, offset, length) + } + + function latin1Write$1 (buf, string, offset, length) { + return asciiWrite$1(buf, string, offset, length) + } + + function base64Write$1 (buf, string, offset, length) { + return blitBuffer$1(base64ToBytes$1(string), buf, offset, length) + } + + function ucs2Write$1 (buf, string, offset, length) { + return blitBuffer$1(utf16leToBytes$1(string, buf.length - offset), buf, offset, length) + } + + Buffer$1.prototype.write = function write (string, offset, length, encoding) { + // Buffer#write(string) + if (offset === undefined) { + encoding = 'utf8'; + length = this.length; + offset = 0; + // Buffer#write(string, encoding) + } else if (length === undefined && typeof offset === 'string') { + encoding = offset; + length = this.length; + offset = 0; + // Buffer#write(string, offset[, length][, encoding]) + } else if (isFinite(offset)) { + offset = offset | 0; + if (isFinite(length)) { + length = length | 0; + if (encoding === undefined) encoding = 'utf8'; + } else { + encoding = length; + length = undefined; + } + // legacy write(string, encoding, offset, length) - remove in v0.13 + } else { + throw new Error( + 'Buffer.write(string, encoding, offset[, length]) is no longer supported' + ) + } + + var remaining = this.length - offset; + if (length === undefined || length > remaining) length = remaining; + + if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) { + throw new RangeError('Attempt to write outside buffer bounds') + } + + if (!encoding) encoding = 'utf8'; + + var loweredCase = false; + for (;;) { + switch (encoding) { + case 'hex': + return hexWrite$1(this, string, offset, length) + + case 'utf8': + case 'utf-8': + return utf8Write$1(this, string, offset, length) + + case 'ascii': + return asciiWrite$1(this, string, offset, length) + + case 'latin1': + case 'binary': + return latin1Write$1(this, string, offset, length) + + case 'base64': + // Warning: maxLength not taken into account in base64Write + return base64Write$1(this, string, offset, length) + + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + return ucs2Write$1(this, string, offset, length) + + default: + if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding) + encoding = ('' + encoding).toLowerCase(); + loweredCase = true; + } + } + }; + + Buffer$1.prototype.toJSON = function toJSON () { + return { + type: 'Buffer', + data: Array.prototype.slice.call(this._arr || this, 0) + } + }; + + function base64Slice$1 (buf, start, end) { + if (start === 0 && end === buf.length) { + return fromByteArray$1(buf) + } else { + return fromByteArray$1(buf.slice(start, end)) + } + } + + function utf8Slice$1 (buf, start, end) { + end = Math.min(buf.length, end); + var res = []; + + var i = start; + while (i < end) { + var firstByte = buf[i]; + var codePoint = null; + var bytesPerSequence = (firstByte > 0xEF) ? 4 + : (firstByte > 0xDF) ? 3 + : (firstByte > 0xBF) ? 2 + : 1; + + if (i + bytesPerSequence <= end) { + var secondByte, thirdByte, fourthByte, tempCodePoint; + + switch (bytesPerSequence) { + case 1: + if (firstByte < 0x80) { + codePoint = firstByte; + } + break + case 2: + secondByte = buf[i + 1]; + if ((secondByte & 0xC0) === 0x80) { + tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F); + if (tempCodePoint > 0x7F) { + codePoint = tempCodePoint; + } + } + break + case 3: + secondByte = buf[i + 1]; + thirdByte = buf[i + 2]; + if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) { + tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F); + if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) { + codePoint = tempCodePoint; + } + } + break + case 4: + secondByte = buf[i + 1]; + thirdByte = buf[i + 2]; + fourthByte = buf[i + 3]; + if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) { + tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F); + if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) { + codePoint = tempCodePoint; + } + } + } + } + + if (codePoint === null) { + // we did not generate a valid codePoint so insert a + // replacement char (U+FFFD) and advance only 1 byte + codePoint = 0xFFFD; + bytesPerSequence = 1; + } else if (codePoint > 0xFFFF) { + // encode to utf16 (surrogate pair dance) + codePoint -= 0x10000; + res.push(codePoint >>> 10 & 0x3FF | 0xD800); + codePoint = 0xDC00 | codePoint & 0x3FF; + } + + res.push(codePoint); + i += bytesPerSequence; + } + + return decodeCodePointsArray$1(res) + } + + // Based on http://stackoverflow.com/a/22747272/680742, the browser with + // the lowest limit is Chrome, with 0x10000 args. + // We go 1 magnitude less, for safety + var MAX_ARGUMENTS_LENGTH$1 = 0x1000; + + function decodeCodePointsArray$1 (codePoints) { + var len = codePoints.length; + if (len <= MAX_ARGUMENTS_LENGTH$1) { + return String.fromCharCode.apply(String, codePoints) // avoid extra slice() + } + + // Decode in chunks to avoid "call stack size exceeded". + var res = ''; + var i = 0; + while (i < len) { + res += String.fromCharCode.apply( + String, + codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH$1) + ); + } + return res + } + + function asciiSlice$1 (buf, start, end) { + var ret = ''; + end = Math.min(buf.length, end); + + for (var i = start; i < end; ++i) { + ret += String.fromCharCode(buf[i] & 0x7F); + } + return ret + } + + function latin1Slice$1 (buf, start, end) { + var ret = ''; + end = Math.min(buf.length, end); + + for (var i = start; i < end; ++i) { + ret += String.fromCharCode(buf[i]); + } + return ret + } + + function hexSlice$1 (buf, start, end) { + var len = buf.length; + + if (!start || start < 0) start = 0; + if (!end || end < 0 || end > len) end = len; + + var out = ''; + for (var i = start; i < end; ++i) { + out += toHex$1(buf[i]); + } + return out + } + + function utf16leSlice$1 (buf, start, end) { + var bytes = buf.slice(start, end); + var res = ''; + for (var i = 0; i < bytes.length; i += 2) { + res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256); + } + return res + } + + Buffer$1.prototype.slice = function slice (start, end) { + var len = this.length; + start = ~~start; + end = end === undefined ? len : ~~end; + + if (start < 0) { + start += len; + if (start < 0) start = 0; + } else if (start > len) { + start = len; + } + + if (end < 0) { + end += len; + if (end < 0) end = 0; + } else if (end > len) { + end = len; + } + + if (end < start) end = start; + + var newBuf; + if (Buffer$1.TYPED_ARRAY_SUPPORT) { + newBuf = this.subarray(start, end); + newBuf.__proto__ = Buffer$1.prototype; + } else { + var sliceLen = end - start; + newBuf = new Buffer$1(sliceLen, undefined); + for (var i = 0; i < sliceLen; ++i) { + newBuf[i] = this[i + start]; + } + } + + return newBuf + }; + + /* + * Need to make sure that buffer isn't trying to write out of bounds. + */ + function checkOffset$1 (offset, ext, length) { + if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint') + if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length') + } + + Buffer$1.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) { + offset = offset | 0; + byteLength = byteLength | 0; + if (!noAssert) checkOffset$1(offset, byteLength, this.length); + + var val = this[offset]; + var mul = 1; + var i = 0; + while (++i < byteLength && (mul *= 0x100)) { + val += this[offset + i] * mul; + } + + return val + }; + + Buffer$1.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) { + offset = offset | 0; + byteLength = byteLength | 0; + if (!noAssert) { + checkOffset$1(offset, byteLength, this.length); + } + + var val = this[offset + --byteLength]; + var mul = 1; + while (byteLength > 0 && (mul *= 0x100)) { + val += this[offset + --byteLength] * mul; + } + + return val + }; + + Buffer$1.prototype.readUInt8 = function readUInt8 (offset, noAssert) { + if (!noAssert) checkOffset$1(offset, 1, this.length); + return this[offset] + }; + + Buffer$1.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) { + if (!noAssert) checkOffset$1(offset, 2, this.length); + return this[offset] | (this[offset + 1] << 8) + }; + + Buffer$1.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) { + if (!noAssert) checkOffset$1(offset, 2, this.length); + return (this[offset] << 8) | this[offset + 1] + }; + + Buffer$1.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) { + if (!noAssert) checkOffset$1(offset, 4, this.length); + + return ((this[offset]) | + (this[offset + 1] << 8) | + (this[offset + 2] << 16)) + + (this[offset + 3] * 0x1000000) + }; + + Buffer$1.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) { + if (!noAssert) checkOffset$1(offset, 4, this.length); + + return (this[offset] * 0x1000000) + + ((this[offset + 1] << 16) | + (this[offset + 2] << 8) | + this[offset + 3]) + }; + + Buffer$1.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) { + offset = offset | 0; + byteLength = byteLength | 0; + if (!noAssert) checkOffset$1(offset, byteLength, this.length); + + var val = this[offset]; + var mul = 1; + var i = 0; + while (++i < byteLength && (mul *= 0x100)) { + val += this[offset + i] * mul; + } + mul *= 0x80; + + if (val >= mul) val -= Math.pow(2, 8 * byteLength); + + return val + }; + + Buffer$1.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) { + offset = offset | 0; + byteLength = byteLength | 0; + if (!noAssert) checkOffset$1(offset, byteLength, this.length); + + var i = byteLength; + var mul = 1; + var val = this[offset + --i]; + while (i > 0 && (mul *= 0x100)) { + val += this[offset + --i] * mul; + } + mul *= 0x80; + + if (val >= mul) val -= Math.pow(2, 8 * byteLength); + + return val + }; + + Buffer$1.prototype.readInt8 = function readInt8 (offset, noAssert) { + if (!noAssert) checkOffset$1(offset, 1, this.length); + if (!(this[offset] & 0x80)) return (this[offset]) + return ((0xff - this[offset] + 1) * -1) + }; + + Buffer$1.prototype.readInt16LE = function readInt16LE (offset, noAssert) { + if (!noAssert) checkOffset$1(offset, 2, this.length); + var val = this[offset] | (this[offset + 1] << 8); + return (val & 0x8000) ? val | 0xFFFF0000 : val + }; + + Buffer$1.prototype.readInt16BE = function readInt16BE (offset, noAssert) { + if (!noAssert) checkOffset$1(offset, 2, this.length); + var val = this[offset + 1] | (this[offset] << 8); + return (val & 0x8000) ? val | 0xFFFF0000 : val + }; + + Buffer$1.prototype.readInt32LE = function readInt32LE (offset, noAssert) { + if (!noAssert) checkOffset$1(offset, 4, this.length); + + return (this[offset]) | + (this[offset + 1] << 8) | + (this[offset + 2] << 16) | + (this[offset + 3] << 24) + }; + + Buffer$1.prototype.readInt32BE = function readInt32BE (offset, noAssert) { + if (!noAssert) checkOffset$1(offset, 4, this.length); + + return (this[offset] << 24) | + (this[offset + 1] << 16) | + (this[offset + 2] << 8) | + (this[offset + 3]) + }; + + Buffer$1.prototype.readFloatLE = function readFloatLE (offset, noAssert) { + if (!noAssert) checkOffset$1(offset, 4, this.length); + return read$1(this, offset, true, 23, 4) + }; + + Buffer$1.prototype.readFloatBE = function readFloatBE (offset, noAssert) { + if (!noAssert) checkOffset$1(offset, 4, this.length); + return read$1(this, offset, false, 23, 4) + }; + + Buffer$1.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) { + if (!noAssert) checkOffset$1(offset, 8, this.length); + return read$1(this, offset, true, 52, 8) + }; + + Buffer$1.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) { + if (!noAssert) checkOffset$1(offset, 8, this.length); + return read$1(this, offset, false, 52, 8) + }; + + function checkInt$1 (buf, value, offset, ext, max, min) { + if (!internalIsBuffer$1(buf)) throw new TypeError('"buffer" argument must be a Buffer instance') + if (value > max || value < min) throw new RangeError('"value" argument is out of bounds') + if (offset + ext > buf.length) throw new RangeError('Index out of range') + } + + Buffer$1.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) { + value = +value; + offset = offset | 0; + byteLength = byteLength | 0; + if (!noAssert) { + var maxBytes = Math.pow(2, 8 * byteLength) - 1; + checkInt$1(this, value, offset, byteLength, maxBytes, 0); + } + + var mul = 1; + var i = 0; + this[offset] = value & 0xFF; + while (++i < byteLength && (mul *= 0x100)) { + this[offset + i] = (value / mul) & 0xFF; + } + + return offset + byteLength + }; + + Buffer$1.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) { + value = +value; + offset = offset | 0; + byteLength = byteLength | 0; + if (!noAssert) { + var maxBytes = Math.pow(2, 8 * byteLength) - 1; + checkInt$1(this, value, offset, byteLength, maxBytes, 0); + } + + var i = byteLength - 1; + var mul = 1; + this[offset + i] = value & 0xFF; + while (--i >= 0 && (mul *= 0x100)) { + this[offset + i] = (value / mul) & 0xFF; + } + + return offset + byteLength + }; + + Buffer$1.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) { + value = +value; + offset = offset | 0; + if (!noAssert) checkInt$1(this, value, offset, 1, 0xff, 0); + if (!Buffer$1.TYPED_ARRAY_SUPPORT) value = Math.floor(value); + this[offset] = (value & 0xff); + return offset + 1 + }; + + function objectWriteUInt16$1 (buf, value, offset, littleEndian) { + if (value < 0) value = 0xffff + value + 1; + for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; ++i) { + buf[offset + i] = (value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>> + (littleEndian ? i : 1 - i) * 8; + } + } + + Buffer$1.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) { + value = +value; + offset = offset | 0; + if (!noAssert) checkInt$1(this, value, offset, 2, 0xffff, 0); + if (Buffer$1.TYPED_ARRAY_SUPPORT) { + this[offset] = (value & 0xff); + this[offset + 1] = (value >>> 8); + } else { + objectWriteUInt16$1(this, value, offset, true); + } + return offset + 2 + }; + + Buffer$1.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) { + value = +value; + offset = offset | 0; + if (!noAssert) checkInt$1(this, value, offset, 2, 0xffff, 0); + if (Buffer$1.TYPED_ARRAY_SUPPORT) { + this[offset] = (value >>> 8); + this[offset + 1] = (value & 0xff); + } else { + objectWriteUInt16$1(this, value, offset, false); + } + return offset + 2 + }; + + function objectWriteUInt32$1 (buf, value, offset, littleEndian) { + if (value < 0) value = 0xffffffff + value + 1; + for (var i = 0, j = Math.min(buf.length - offset, 4); i < j; ++i) { + buf[offset + i] = (value >>> (littleEndian ? i : 3 - i) * 8) & 0xff; + } + } + + Buffer$1.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) { + value = +value; + offset = offset | 0; + if (!noAssert) checkInt$1(this, value, offset, 4, 0xffffffff, 0); + if (Buffer$1.TYPED_ARRAY_SUPPORT) { + this[offset + 3] = (value >>> 24); + this[offset + 2] = (value >>> 16); + this[offset + 1] = (value >>> 8); + this[offset] = (value & 0xff); + } else { + objectWriteUInt32$1(this, value, offset, true); + } + return offset + 4 + }; + + Buffer$1.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) { + value = +value; + offset = offset | 0; + if (!noAssert) checkInt$1(this, value, offset, 4, 0xffffffff, 0); + if (Buffer$1.TYPED_ARRAY_SUPPORT) { + this[offset] = (value >>> 24); + this[offset + 1] = (value >>> 16); + this[offset + 2] = (value >>> 8); + this[offset + 3] = (value & 0xff); + } else { + objectWriteUInt32$1(this, value, offset, false); + } + return offset + 4 + }; + + Buffer$1.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) { + value = +value; + offset = offset | 0; + if (!noAssert) { + var limit = Math.pow(2, 8 * byteLength - 1); + + checkInt$1(this, value, offset, byteLength, limit - 1, -limit); + } + + var i = 0; + var mul = 1; + var sub = 0; + this[offset] = value & 0xFF; + while (++i < byteLength && (mul *= 0x100)) { + if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) { + sub = 1; + } + this[offset + i] = ((value / mul) >> 0) - sub & 0xFF; + } + + return offset + byteLength + }; + + Buffer$1.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) { + value = +value; + offset = offset | 0; + if (!noAssert) { + var limit = Math.pow(2, 8 * byteLength - 1); + + checkInt$1(this, value, offset, byteLength, limit - 1, -limit); + } + + var i = byteLength - 1; + var mul = 1; + var sub = 0; + this[offset + i] = value & 0xFF; + while (--i >= 0 && (mul *= 0x100)) { + if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) { + sub = 1; + } + this[offset + i] = ((value / mul) >> 0) - sub & 0xFF; + } + + return offset + byteLength + }; + + Buffer$1.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) { + value = +value; + offset = offset | 0; + if (!noAssert) checkInt$1(this, value, offset, 1, 0x7f, -0x80); + if (!Buffer$1.TYPED_ARRAY_SUPPORT) value = Math.floor(value); + if (value < 0) value = 0xff + value + 1; + this[offset] = (value & 0xff); + return offset + 1 + }; + + Buffer$1.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) { + value = +value; + offset = offset | 0; + if (!noAssert) checkInt$1(this, value, offset, 2, 0x7fff, -0x8000); + if (Buffer$1.TYPED_ARRAY_SUPPORT) { + this[offset] = (value & 0xff); + this[offset + 1] = (value >>> 8); + } else { + objectWriteUInt16$1(this, value, offset, true); + } + return offset + 2 + }; + + Buffer$1.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) { + value = +value; + offset = offset | 0; + if (!noAssert) checkInt$1(this, value, offset, 2, 0x7fff, -0x8000); + if (Buffer$1.TYPED_ARRAY_SUPPORT) { + this[offset] = (value >>> 8); + this[offset + 1] = (value & 0xff); + } else { + objectWriteUInt16$1(this, value, offset, false); + } + return offset + 2 + }; + + Buffer$1.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) { + value = +value; + offset = offset | 0; + if (!noAssert) checkInt$1(this, value, offset, 4, 0x7fffffff, -0x80000000); + if (Buffer$1.TYPED_ARRAY_SUPPORT) { + this[offset] = (value & 0xff); + this[offset + 1] = (value >>> 8); + this[offset + 2] = (value >>> 16); + this[offset + 3] = (value >>> 24); + } else { + objectWriteUInt32$1(this, value, offset, true); + } + return offset + 4 + }; + + Buffer$1.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) { + value = +value; + offset = offset | 0; + if (!noAssert) checkInt$1(this, value, offset, 4, 0x7fffffff, -0x80000000); + if (value < 0) value = 0xffffffff + value + 1; + if (Buffer$1.TYPED_ARRAY_SUPPORT) { + this[offset] = (value >>> 24); + this[offset + 1] = (value >>> 16); + this[offset + 2] = (value >>> 8); + this[offset + 3] = (value & 0xff); + } else { + objectWriteUInt32$1(this, value, offset, false); + } + return offset + 4 + }; + + function checkIEEE754$1 (buf, value, offset, ext, max, min) { + if (offset + ext > buf.length) throw new RangeError('Index out of range') + if (offset < 0) throw new RangeError('Index out of range') + } + + function writeFloat$1 (buf, value, offset, littleEndian, noAssert) { + if (!noAssert) { + checkIEEE754$1(buf, value, offset, 4); + } + write$1(buf, value, offset, littleEndian, 23, 4); + return offset + 4 + } + + Buffer$1.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) { + return writeFloat$1(this, value, offset, true, noAssert) + }; + + Buffer$1.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) { + return writeFloat$1(this, value, offset, false, noAssert) + }; + + function writeDouble$1 (buf, value, offset, littleEndian, noAssert) { + if (!noAssert) { + checkIEEE754$1(buf, value, offset, 8); + } + write$1(buf, value, offset, littleEndian, 52, 8); + return offset + 8 + } + + Buffer$1.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) { + return writeDouble$1(this, value, offset, true, noAssert) + }; + + Buffer$1.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) { + return writeDouble$1(this, value, offset, false, noAssert) + }; + + // copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length) + Buffer$1.prototype.copy = function copy (target, targetStart, start, end) { + if (!start) start = 0; + if (!end && end !== 0) end = this.length; + if (targetStart >= target.length) targetStart = target.length; + if (!targetStart) targetStart = 0; + if (end > 0 && end < start) end = start; + + // Copy 0 bytes; we're done + if (end === start) return 0 + if (target.length === 0 || this.length === 0) return 0 + + // Fatal error conditions + if (targetStart < 0) { + throw new RangeError('targetStart out of bounds') + } + if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds') + if (end < 0) throw new RangeError('sourceEnd out of bounds') + + // Are we oob? + if (end > this.length) end = this.length; + if (target.length - targetStart < end - start) { + end = target.length - targetStart + start; + } + + var len = end - start; + var i; + + if (this === target && start < targetStart && targetStart < end) { + // descending copy from end + for (i = len - 1; i >= 0; --i) { + target[i + targetStart] = this[i + start]; + } + } else if (len < 1000 || !Buffer$1.TYPED_ARRAY_SUPPORT) { + // ascending copy from start + for (i = 0; i < len; ++i) { + target[i + targetStart] = this[i + start]; + } + } else { + Uint8Array.prototype.set.call( + target, + this.subarray(start, start + len), + targetStart + ); + } + + return len + }; + + // Usage: + // buffer.fill(number[, offset[, end]]) + // buffer.fill(buffer[, offset[, end]]) + // buffer.fill(string[, offset[, end]][, encoding]) + Buffer$1.prototype.fill = function fill (val, start, end, encoding) { + // Handle string cases: + if (typeof val === 'string') { + if (typeof start === 'string') { + encoding = start; + start = 0; + end = this.length; + } else if (typeof end === 'string') { + encoding = end; + end = this.length; + } + if (val.length === 1) { + var code = val.charCodeAt(0); + if (code < 256) { + val = code; + } + } + if (encoding !== undefined && typeof encoding !== 'string') { + throw new TypeError('encoding must be a string') + } + if (typeof encoding === 'string' && !Buffer$1.isEncoding(encoding)) { + throw new TypeError('Unknown encoding: ' + encoding) + } + } else if (typeof val === 'number') { + val = val & 255; + } + + // Invalid ranges are not set to a default, so can range check early. + if (start < 0 || this.length < start || this.length < end) { + throw new RangeError('Out of range index') + } + + if (end <= start) { + return this + } + + start = start >>> 0; + end = end === undefined ? this.length : end >>> 0; + + if (!val) val = 0; + + var i; + if (typeof val === 'number') { + for (i = start; i < end; ++i) { + this[i] = val; + } + } else { + var bytes = internalIsBuffer$1(val) + ? val + : utf8ToBytes$1(new Buffer$1(val, encoding).toString()); + var len = bytes.length; + for (i = 0; i < end - start; ++i) { + this[i + start] = bytes[i % len]; + } + } + + return this + }; + + // HELPER FUNCTIONS + // ================ + + var INVALID_BASE64_RE$1 = /[^+\/0-9A-Za-z-_]/g; + + function base64clean$1 (str) { + // Node strips out invalid characters like \n and \t from the string, base64-js does not + str = stringtrim$1(str).replace(INVALID_BASE64_RE$1, ''); + // Node converts strings with length < 2 to '' + if (str.length < 2) return '' + // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not + while (str.length % 4 !== 0) { + str = str + '='; + } + return str + } + + function stringtrim$1 (str) { + if (str.trim) return str.trim() + return str.replace(/^\s+|\s+$/g, '') + } + + function toHex$1 (n) { + if (n < 16) return '0' + n.toString(16) + return n.toString(16) + } + + function utf8ToBytes$1 (string, units) { + units = units || Infinity; + var codePoint; + var length = string.length; + var leadSurrogate = null; + var bytes = []; + + for (var i = 0; i < length; ++i) { + codePoint = string.charCodeAt(i); + + // is surrogate component + if (codePoint > 0xD7FF && codePoint < 0xE000) { + // last char was a lead + if (!leadSurrogate) { + // no lead yet + if (codePoint > 0xDBFF) { + // unexpected trail + if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD); + continue + } else if (i + 1 === length) { + // unpaired lead + if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD); + continue + } + + // valid lead + leadSurrogate = codePoint; + + continue + } + + // 2 leads in a row + if (codePoint < 0xDC00) { + if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD); + leadSurrogate = codePoint; + continue + } + + // valid surrogate pair + codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000; + } else if (leadSurrogate) { + // valid bmp char, but last char was a lead + if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD); + } + + leadSurrogate = null; + + // encode utf8 + if (codePoint < 0x80) { + if ((units -= 1) < 0) break + bytes.push(codePoint); + } else if (codePoint < 0x800) { + if ((units -= 2) < 0) break + bytes.push( + codePoint >> 0x6 | 0xC0, + codePoint & 0x3F | 0x80 + ); + } else if (codePoint < 0x10000) { + if ((units -= 3) < 0) break + bytes.push( + codePoint >> 0xC | 0xE0, + codePoint >> 0x6 & 0x3F | 0x80, + codePoint & 0x3F | 0x80 + ); + } else if (codePoint < 0x110000) { + if ((units -= 4) < 0) break + bytes.push( + codePoint >> 0x12 | 0xF0, + codePoint >> 0xC & 0x3F | 0x80, + codePoint >> 0x6 & 0x3F | 0x80, + codePoint & 0x3F | 0x80 + ); + } else { + throw new Error('Invalid code point') + } + } + + return bytes + } + + function asciiToBytes$1 (str) { + var byteArray = []; + for (var i = 0; i < str.length; ++i) { + // Node's code seems to be doing this and not & 0x7F.. + byteArray.push(str.charCodeAt(i) & 0xFF); + } + return byteArray + } + + function utf16leToBytes$1 (str, units) { + var c, hi, lo; + var byteArray = []; + for (var i = 0; i < str.length; ++i) { + if ((units -= 2) < 0) break + + c = str.charCodeAt(i); + hi = c >> 8; + lo = c % 256; + byteArray.push(lo); + byteArray.push(hi); + } + + return byteArray + } + + + function base64ToBytes$1 (str) { + return toByteArray$1(base64clean$1(str)) + } + + function blitBuffer$1 (src, dst, offset, length) { + for (var i = 0; i < length; ++i) { + if ((i + offset >= dst.length) || (i >= src.length)) break + dst[i + offset] = src[i]; + } + return i + } + + function isnan$1 (val) { + return val !== val // eslint-disable-line no-self-compare + } + + + // the following is from is-buffer, also by Feross Aboukhadijeh and with same lisence + // The _isBuffer check is for Safari 5-7 support, because it's missing + // Object.prototype.constructor. Remove this eventually + function isBuffer$2(obj) { + return obj != null && (!!obj._isBuffer || isFastBuffer$1(obj) || isSlowBuffer$1(obj)) + } + + function isFastBuffer$1 (obj) { + return !!obj.constructor && typeof obj.constructor.isBuffer === 'function' && obj.constructor.isBuffer(obj) + } + + // For Node v0.10 support. Remove this eventually. + function isSlowBuffer$1 (obj) { + return typeof obj.readFloatLE === 'function' && typeof obj.slice === 'function' && isFastBuffer$1(obj.slice(0, 0)) + } + + // shim for using process in browser + // based off https://github.com/defunctzombie/node-process/blob/master/browser.js + + function defaultSetTimout() { + throw new Error('setTimeout has not been defined'); + } + function defaultClearTimeout () { + throw new Error('clearTimeout has not been defined'); + } + var cachedSetTimeout = defaultSetTimout; + var cachedClearTimeout = defaultClearTimeout; + if (typeof global$2.setTimeout === 'function') { + cachedSetTimeout = setTimeout; + } + if (typeof global$2.clearTimeout === 'function') { + cachedClearTimeout = clearTimeout; + } + + function runTimeout(fun) { + if (cachedSetTimeout === setTimeout) { + //normal enviroments in sane situations + return setTimeout(fun, 0); + } + // if setTimeout wasn't available but was latter defined + if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) { + cachedSetTimeout = setTimeout; + return setTimeout(fun, 0); + } + try { + // when when somebody has screwed with setTimeout but no I.E. maddness + return cachedSetTimeout(fun, 0); + } catch(e){ + try { + // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally + return cachedSetTimeout.call(null, fun, 0); + } catch(e){ + // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error + return cachedSetTimeout.call(this, fun, 0); + } + } + + + } + function runClearTimeout(marker) { + if (cachedClearTimeout === clearTimeout) { + //normal enviroments in sane situations + return clearTimeout(marker); + } + // if clearTimeout wasn't available but was latter defined + if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) { + cachedClearTimeout = clearTimeout; + return clearTimeout(marker); + } + try { + // when when somebody has screwed with setTimeout but no I.E. maddness + return cachedClearTimeout(marker); + } catch (e){ + try { + // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally + return cachedClearTimeout.call(null, marker); + } catch (e){ + // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error. + // Some versions of I.E. have different rules for clearTimeout vs setTimeout + return cachedClearTimeout.call(this, marker); + } + } + + + + } + var queue = []; + var draining = false; + var currentQueue; + var queueIndex = -1; + + function cleanUpNextTick() { + if (!draining || !currentQueue) { + return; + } + draining = false; + if (currentQueue.length) { + queue = currentQueue.concat(queue); + } else { + queueIndex = -1; + } + if (queue.length) { + drainQueue(); + } + } + + function drainQueue() { + if (draining) { + return; + } + var timeout = runTimeout(cleanUpNextTick); + draining = true; + + var len = queue.length; + while(len) { + currentQueue = queue; + queue = []; + while (++queueIndex < len) { + if (currentQueue) { + currentQueue[queueIndex].run(); + } + } + queueIndex = -1; + len = queue.length; + } + currentQueue = null; + draining = false; + runClearTimeout(timeout); + } + function nextTick(fun) { + var args = new Array(arguments.length - 1); + if (arguments.length > 1) { + for (var i = 1; i < arguments.length; i++) { + args[i - 1] = arguments[i]; + } + } + queue.push(new Item(fun, args)); + if (queue.length === 1 && !draining) { + runTimeout(drainQueue); + } + } + // v8 likes predictible objects + function Item(fun, array) { + this.fun = fun; + this.array = array; + } + Item.prototype.run = function () { + this.fun.apply(null, this.array); + }; + var title = 'browser'; + var platform = 'browser'; + var browser$3 = true; + var env = {}; + var argv = []; + var version$1 = ''; // empty string to avoid regexp issues + var versions = {}; + var release = {}; + var config = {}; + + function noop() {} + + var on = noop; + var addListener = noop; + var once = noop; + var off = noop; + var removeListener = noop; + var removeAllListeners = noop; + var emit = noop; + + function binding(name) { + throw new Error('process.binding is not supported'); + } + + function cwd () { return '/' } + function chdir (dir) { + throw new Error('process.chdir is not supported'); + }function umask() { return 0; } + + // from https://github.com/kumavis/browser-process-hrtime/blob/master/index.js + var performance = global$2.performance || {}; + var performanceNow = + performance.now || + performance.mozNow || + performance.msNow || + performance.oNow || + performance.webkitNow || + function(){ return (new Date()).getTime() }; + + // generate timestamp or delta + // see http://nodejs.org/api/process.html#process_process_hrtime + function hrtime(previousTimestamp){ + var clocktime = performanceNow.call(performance)*1e-3; + var seconds = Math.floor(clocktime); + var nanoseconds = Math.floor((clocktime%1)*1e9); + if (previousTimestamp) { + seconds = seconds - previousTimestamp[0]; + nanoseconds = nanoseconds - previousTimestamp[1]; + if (nanoseconds<0) { + seconds--; + nanoseconds += 1e9; + } + } + return [seconds,nanoseconds] + } + + var startTime = new Date(); + function uptime() { + var currentTime = new Date(); + var dif = currentTime - startTime; + return dif / 1000; + } + + var browser$1$1 = { + nextTick: nextTick, + title: title, + browser: browser$3, + env: env, + argv: argv, + version: version$1, + versions: versions, + on: on, + addListener: addListener, + once: once, + off: off, + removeListener: removeListener, + removeAllListeners: removeAllListeners, + emit: emit, + binding: binding, + cwd: cwd, + chdir: chdir, + umask: umask, + hrtime: hrtime, + platform: platform, + release: release, + config: config, + uptime: uptime + }; + + var inherits$2; + if (typeof Object.create === 'function'){ + inherits$2 = function inherits(ctor, superCtor) { + // implementation from standard node.js 'util' module + ctor.super_ = superCtor; + ctor.prototype = Object.create(superCtor.prototype, { + constructor: { + value: ctor, + enumerable: false, + writable: true, + configurable: true + } + }); + }; + } else { + inherits$2 = function inherits(ctor, superCtor) { + ctor.super_ = superCtor; + var TempCtor = function () {}; + TempCtor.prototype = superCtor.prototype; + ctor.prototype = new TempCtor(); + ctor.prototype.constructor = ctor; + }; + } + var inherits$3 = inherits$2; + + var formatRegExp = /%[sdj%]/g; + function format$1(f) { + if (!isString$1(f)) { + var objects = []; + for (var i = 0; i < arguments.length; i++) { + objects.push(inspect(arguments[i])); + } + return objects.join(' '); + } + + var i = 1; + var args = arguments; + var len = args.length; + var str = String(f).replace(formatRegExp, function(x) { + if (x === '%%') return '%'; + if (i >= len) return x; + switch (x) { + case '%s': return String(args[i++]); + case '%d': return Number(args[i++]); + case '%j': + try { + return JSON.stringify(args[i++]); + } catch (_) { + return '[Circular]'; + } + default: + return x; + } + }); + for (var x = args[i]; i < len; x = args[++i]) { + if (isNull(x) || !isObject(x)) { + str += ' ' + x; + } else { + str += ' ' + inspect(x); + } + } + return str; + } + + // Mark that a method should not be used. + // Returns a modified function which warns once by default. + // If --no-deprecation is set, then it is a no-op. + function deprecate$1(fn, msg) { + // Allow for deprecating things in the process of starting up. + if (isUndefined(global$2.process)) { + return function() { + return deprecate$1(fn, msg).apply(this, arguments); + }; + } + + if (browser$1$1.noDeprecation === true) { + return fn; + } + + var warned = false; + function deprecated() { + if (!warned) { + if (browser$1$1.throwDeprecation) { + throw new Error(msg); + } else if (browser$1$1.traceDeprecation) { + console.trace(msg); + } else { + console.error(msg); + } + warned = true; + } + return fn.apply(this, arguments); + } + + return deprecated; + } + + var debugs = {}; + var debugEnviron; + function debuglog(set) { + if (isUndefined(debugEnviron)) + debugEnviron = browser$1$1.env.NODE_DEBUG || ''; + set = set.toUpperCase(); + if (!debugs[set]) { + if (new RegExp('\\b' + set + '\\b', 'i').test(debugEnviron)) { + var pid = 0; + debugs[set] = function() { + var msg = format$1.apply(null, arguments); + console.error('%s %d: %s', set, pid, msg); + }; + } else { + debugs[set] = function() {}; + } + } + return debugs[set]; + } + + /** + * Echos the value of a value. Trys to print the value out + * in the best way possible given the different types. + * + * @param {Object} obj The object to print out. + * @param {Object} opts Optional options object that alters the output. + */ + /* legacy: obj, showHidden, depth, colors*/ + function inspect(obj, opts) { + // default options + var ctx = { + seen: [], + stylize: stylizeNoColor + }; + // legacy... + if (arguments.length >= 3) ctx.depth = arguments[2]; + if (arguments.length >= 4) ctx.colors = arguments[3]; + if (isBoolean(opts)) { + // legacy... + ctx.showHidden = opts; + } else if (opts) { + // got an "options" object + _extend(ctx, opts); + } + // set default options + if (isUndefined(ctx.showHidden)) ctx.showHidden = false; + if (isUndefined(ctx.depth)) ctx.depth = 2; + if (isUndefined(ctx.colors)) ctx.colors = false; + if (isUndefined(ctx.customInspect)) ctx.customInspect = true; + if (ctx.colors) ctx.stylize = stylizeWithColor; + return formatValue(ctx, obj, ctx.depth); + } + + // http://en.wikipedia.org/wiki/ANSI_escape_code#graphics + inspect.colors = { + 'bold' : [1, 22], + 'italic' : [3, 23], + 'underline' : [4, 24], + 'inverse' : [7, 27], + 'white' : [37, 39], + 'grey' : [90, 39], + 'black' : [30, 39], + 'blue' : [34, 39], + 'cyan' : [36, 39], + 'green' : [32, 39], + 'magenta' : [35, 39], + 'red' : [31, 39], + 'yellow' : [33, 39] + }; + + // Don't use 'blue' not visible on cmd.exe + inspect.styles = { + 'special': 'cyan', + 'number': 'yellow', + 'boolean': 'yellow', + 'undefined': 'grey', + 'null': 'bold', + 'string': 'green', + 'date': 'magenta', + // "name": intentionally not styling + 'regexp': 'red' + }; + + + function stylizeWithColor(str, styleType) { + var style = inspect.styles[styleType]; + + if (style) { + return '\u001b[' + inspect.colors[style][0] + 'm' + str + + '\u001b[' + inspect.colors[style][1] + 'm'; + } else { + return str; + } + } + + + function stylizeNoColor(str, styleType) { + return str; + } + + + function arrayToHash(array) { + var hash = {}; + + array.forEach(function(val, idx) { + hash[val] = true; + }); + + return hash; + } + + + function formatValue(ctx, value, recurseTimes) { + // Provide a hook for user-specified inspect functions. + // Check that value is an object with an inspect function on it + if (ctx.customInspect && + value && + isFunction(value.inspect) && + // Filter out the util module, it's inspect function is special + value.inspect !== inspect && + // Also filter out any prototype objects using the circular check. + !(value.constructor && value.constructor.prototype === value)) { + var ret = value.inspect(recurseTimes, ctx); + if (!isString$1(ret)) { + ret = formatValue(ctx, ret, recurseTimes); + } + return ret; + } + + // Primitive types cannot have properties + var primitive = formatPrimitive(ctx, value); + if (primitive) { + return primitive; + } + + // Look up the keys of the object. + var keys = Object.keys(value); + var visibleKeys = arrayToHash(keys); + + if (ctx.showHidden) { + keys = Object.getOwnPropertyNames(value); + } + + // IE doesn't make error fields non-enumerable + // http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx + if (isError$1(value) + && (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) { + return formatError(value); + } + + // Some type of object without properties can be shortcutted. + if (keys.length === 0) { + if (isFunction(value)) { + var name = value.name ? ': ' + value.name : ''; + return ctx.stylize('[Function' + name + ']', 'special'); + } + if (isRegExp(value)) { + return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp'); + } + if (isDate(value)) { + return ctx.stylize(Date.prototype.toString.call(value), 'date'); + } + if (isError$1(value)) { + return formatError(value); + } + } + + var base = '', array = false, braces = ['{', '}']; + + // Make Array say that they are Array + if (isArray$1(value)) { + array = true; + braces = ['[', ']']; + } + + // Make functions say that they are functions + if (isFunction(value)) { + var n = value.name ? ': ' + value.name : ''; + base = ' [Function' + n + ']'; + } + + // Make RegExps say that they are RegExps + if (isRegExp(value)) { + base = ' ' + RegExp.prototype.toString.call(value); + } + + // Make dates with properties first say the date + if (isDate(value)) { + base = ' ' + Date.prototype.toUTCString.call(value); + } + + // Make error with message first say the error + if (isError$1(value)) { + base = ' ' + formatError(value); + } + + if (keys.length === 0 && (!array || value.length == 0)) { + return braces[0] + base + braces[1]; + } + + if (recurseTimes < 0) { + if (isRegExp(value)) { + return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp'); + } else { + return ctx.stylize('[Object]', 'special'); + } + } + + ctx.seen.push(value); + + var output; + if (array) { + output = formatArray(ctx, value, recurseTimes, visibleKeys, keys); + } else { + output = keys.map(function(key) { + return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array); + }); + } + + ctx.seen.pop(); + + return reduceToSingleString(output, base, braces); + } + + + function formatPrimitive(ctx, value) { + if (isUndefined(value)) + return ctx.stylize('undefined', 'undefined'); + if (isString$1(value)) { + var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '') + .replace(/'/g, "\\'") + .replace(/\\"/g, '"') + '\''; + return ctx.stylize(simple, 'string'); + } + if (isNumber(value)) + return ctx.stylize('' + value, 'number'); + if (isBoolean(value)) + return ctx.stylize('' + value, 'boolean'); + // For some reason typeof null is "object", so special case here. + if (isNull(value)) + return ctx.stylize('null', 'null'); + } + + + function formatError(value) { + return '[' + Error.prototype.toString.call(value) + ']'; + } + + + function formatArray(ctx, value, recurseTimes, visibleKeys, keys) { + var output = []; + for (var i = 0, l = value.length; i < l; ++i) { + if (hasOwnProperty(value, String(i))) { + output.push(formatProperty(ctx, value, recurseTimes, visibleKeys, + String(i), true)); + } else { + output.push(''); + } + } + keys.forEach(function(key) { + if (!key.match(/^\d+$/)) { + output.push(formatProperty(ctx, value, recurseTimes, visibleKeys, + key, true)); + } + }); + return output; + } + + + function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) { + var name, str, desc; + desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] }; + if (desc.get) { + if (desc.set) { + str = ctx.stylize('[Getter/Setter]', 'special'); + } else { + str = ctx.stylize('[Getter]', 'special'); + } + } else { + if (desc.set) { + str = ctx.stylize('[Setter]', 'special'); + } + } + if (!hasOwnProperty(visibleKeys, key)) { + name = '[' + key + ']'; + } + if (!str) { + if (ctx.seen.indexOf(desc.value) < 0) { + if (isNull(recurseTimes)) { + str = formatValue(ctx, desc.value, null); + } else { + str = formatValue(ctx, desc.value, recurseTimes - 1); + } + if (str.indexOf('\n') > -1) { + if (array) { + str = str.split('\n').map(function(line) { + return ' ' + line; + }).join('\n').substr(2); + } else { + str = '\n' + str.split('\n').map(function(line) { + return ' ' + line; + }).join('\n'); + } + } + } else { + str = ctx.stylize('[Circular]', 'special'); + } + } + if (isUndefined(name)) { + if (array && key.match(/^\d+$/)) { + return str; + } + name = JSON.stringify('' + key); + if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) { + name = name.substr(1, name.length - 2); + name = ctx.stylize(name, 'name'); + } else { + name = name.replace(/'/g, "\\'") + .replace(/\\"/g, '"') + .replace(/(^"|"$)/g, "'"); + name = ctx.stylize(name, 'string'); + } + } + + return name + ': ' + str; + } + + + function reduceToSingleString(output, base, braces) { + var length = output.reduce(function(prev, cur) { + if (cur.indexOf('\n') >= 0) ; + return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1; + }, 0); + + if (length > 60) { + return braces[0] + + (base === '' ? '' : base + '\n ') + + ' ' + + output.join(',\n ') + + ' ' + + braces[1]; + } + + return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1]; + } + + + // NOTE: These type checking functions intentionally don't use `instanceof` + // because it is fragile and can be easily faked with `Object.create()`. + function isArray$1(ar) { + return Array.isArray(ar); + } + + function isBoolean(arg) { + return typeof arg === 'boolean'; + } + + function isNull(arg) { + return arg === null; + } + + function isNullOrUndefined(arg) { + return arg == null; + } + + function isNumber(arg) { + return typeof arg === 'number'; + } + + function isString$1(arg) { + return typeof arg === 'string'; + } + + function isSymbol(arg) { + return typeof arg === 'symbol'; + } + + function isUndefined(arg) { + return arg === void 0; + } + + function isRegExp(re) { + return isObject(re) && objectToString(re) === '[object RegExp]'; + } + + function isObject(arg) { + return typeof arg === 'object' && arg !== null; + } + + function isDate(d) { + return isObject(d) && objectToString(d) === '[object Date]'; + } + + function isError$1(e) { + return isObject(e) && + (objectToString(e) === '[object Error]' || e instanceof Error); + } + + function isFunction(arg) { + return typeof arg === 'function'; + } + + function isPrimitive(arg) { + return arg === null || + typeof arg === 'boolean' || + typeof arg === 'number' || + typeof arg === 'string' || + typeof arg === 'symbol' || // ES6 symbol + typeof arg === 'undefined'; + } + + function isBuffer$1(maybeBuf) { + return Buffer$1.isBuffer(maybeBuf); + } + + function objectToString(o) { + return Object.prototype.toString.call(o); + } + + + function pad(n) { + return n < 10 ? '0' + n.toString(10) : n.toString(10); + } + + + var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', + 'Oct', 'Nov', 'Dec']; + + // 26 Feb 16:19:34 + function timestamp() { + var d = new Date(); + var time = [pad(d.getHours()), + pad(d.getMinutes()), + pad(d.getSeconds())].join(':'); + return [d.getDate(), months[d.getMonth()], time].join(' '); + } + + + // log is just a thin wrapper to console.log that prepends a timestamp + function log() { + console.log('%s - %s', timestamp(), format$1.apply(null, arguments)); + } + + function _extend(origin, add) { + // Don't do anything if add isn't an object + if (!add || !isObject(add)) return origin; + + var keys = Object.keys(add); + var i = keys.length; + while (i--) { + origin[keys[i]] = add[keys[i]]; + } + return origin; + } + function hasOwnProperty(obj, prop) { + return Object.prototype.hasOwnProperty.call(obj, prop); + } + + var _polyfillNode_util = { + inherits: inherits$3, + _extend: _extend, + log: log, + isBuffer: isBuffer$1, + isPrimitive: isPrimitive, + isFunction: isFunction, + isError: isError$1, + isDate: isDate, + isObject: isObject, + isRegExp: isRegExp, + isUndefined: isUndefined, + isSymbol: isSymbol, + isString: isString$1, + isNumber: isNumber, + isNullOrUndefined: isNullOrUndefined, + isNull: isNull, + isBoolean: isBoolean, + isArray: isArray$1, + inspect: inspect, + deprecate: deprecate$1, + format: format$1, + debuglog: debuglog + }; + + var _polyfillNode_util$1 = /*#__PURE__*/Object.freeze({ + __proto__: null, + format: format$1, + deprecate: deprecate$1, + debuglog: debuglog, + inspect: inspect, + isArray: isArray$1, + isBoolean: isBoolean, + isNull: isNull, + isNullOrUndefined: isNullOrUndefined, + isNumber: isNumber, + isString: isString$1, + isSymbol: isSymbol, + isUndefined: isUndefined, + isRegExp: isRegExp, + isObject: isObject, + isDate: isDate, + isError: isError$1, + isFunction: isFunction, + isPrimitive: isPrimitive, + isBuffer: isBuffer$1, + log: log, + inherits: inherits$3, + _extend: _extend, + 'default': _polyfillNode_util + }); + + function BufferList() { + this.head = null; + this.tail = null; + this.length = 0; + } + + BufferList.prototype.push = function (v) { + var entry = { data: v, next: null }; + if (this.length > 0) this.tail.next = entry;else this.head = entry; + this.tail = entry; + ++this.length; + }; + + BufferList.prototype.unshift = function (v) { + var entry = { data: v, next: this.head }; + if (this.length === 0) this.tail = entry; + this.head = entry; + ++this.length; + }; + + BufferList.prototype.shift = function () { + if (this.length === 0) return; + var ret = this.head.data; + if (this.length === 1) this.head = this.tail = null;else this.head = this.head.next; + --this.length; + return ret; + }; + + BufferList.prototype.clear = function () { + this.head = this.tail = null; + this.length = 0; + }; + + BufferList.prototype.join = function (s) { + if (this.length === 0) return ''; + var p = this.head; + var ret = '' + p.data; + while (p = p.next) { + ret += s + p.data; + }return ret; + }; + + BufferList.prototype.concat = function (n) { + if (this.length === 0) return Buffer$1.alloc(0); + if (this.length === 1) return this.head.data; + var ret = Buffer$1.allocUnsafe(n >>> 0); + var p = this.head; + var i = 0; + while (p) { + p.data.copy(ret, i); + i += p.data.length; + p = p.next; + } + return ret; + }; + + // Copyright Joyent, Inc. and other Node contributors. + var isBufferEncoding = Buffer$1.isEncoding + || function(encoding) { + switch (encoding && encoding.toLowerCase()) { + case 'hex': case 'utf8': case 'utf-8': case 'ascii': case 'binary': case 'base64': case 'ucs2': case 'ucs-2': case 'utf16le': case 'utf-16le': case 'raw': return true; + default: return false; + } + }; + + + function assertEncoding(encoding) { + if (encoding && !isBufferEncoding(encoding)) { + throw new Error('Unknown encoding: ' + encoding); + } + } + + // StringDecoder provides an interface for efficiently splitting a series of + // buffers into a series of JS strings without breaking apart multi-byte + // characters. CESU-8 is handled as part of the UTF-8 encoding. + // + // @TODO Handling all encodings inside a single object makes it very difficult + // to reason about this code, so it should be split up in the future. + // @TODO There should be a utf8-strict encoding that rejects invalid UTF-8 code + // points as used by CESU-8. + function StringDecoder(encoding) { + this.encoding = (encoding || 'utf8').toLowerCase().replace(/[-_]/, ''); + assertEncoding(encoding); + switch (this.encoding) { + case 'utf8': + // CESU-8 represents each of Surrogate Pair by 3-bytes + this.surrogateSize = 3; + break; + case 'ucs2': + case 'utf16le': + // UTF-16 represents each of Surrogate Pair by 2-bytes + this.surrogateSize = 2; + this.detectIncompleteChar = utf16DetectIncompleteChar; + break; + case 'base64': + // Base-64 stores 3 bytes in 4 chars, and pads the remainder. + this.surrogateSize = 3; + this.detectIncompleteChar = base64DetectIncompleteChar; + break; + default: + this.write = passThroughWrite; + return; + } + + // Enough space to store all bytes of a single character. UTF-8 needs 4 + // bytes, but CESU-8 may require up to 6 (3 bytes per surrogate). + this.charBuffer = new Buffer$1(6); + // Number of bytes received for the current incomplete multi-byte character. + this.charReceived = 0; + // Number of bytes expected for the current incomplete multi-byte character. + this.charLength = 0; + } + + // write decodes the given buffer and returns it as JS string that is + // guaranteed to not contain any partial multi-byte characters. Any partial + // character found at the end of the buffer is buffered up, and will be + // returned when calling write again with the remaining bytes. + // + // Note: Converting a Buffer containing an orphan surrogate to a String + // currently works, but converting a String to a Buffer (via `new Buffer`, or + // Buffer#write) will replace incomplete surrogates with the unicode + // replacement character. See https://codereview.chromium.org/121173009/ . + StringDecoder.prototype.write = function(buffer) { + var charStr = ''; + // if our last write ended with an incomplete multibyte character + while (this.charLength) { + // determine how many remaining bytes this buffer has to offer for this char + var available = (buffer.length >= this.charLength - this.charReceived) ? + this.charLength - this.charReceived : + buffer.length; + + // add the new bytes to the char buffer + buffer.copy(this.charBuffer, this.charReceived, 0, available); + this.charReceived += available; + + if (this.charReceived < this.charLength) { + // still not enough chars in this buffer? wait for more ... + return ''; + } + + // remove bytes belonging to the current character from the buffer + buffer = buffer.slice(available, buffer.length); + + // get the character that was split + charStr = this.charBuffer.slice(0, this.charLength).toString(this.encoding); + + // CESU-8: lead surrogate (D800-DBFF) is also the incomplete character + var charCode = charStr.charCodeAt(charStr.length - 1); + if (charCode >= 0xD800 && charCode <= 0xDBFF) { + this.charLength += this.surrogateSize; + charStr = ''; + continue; + } + this.charReceived = this.charLength = 0; + + // if there are no more bytes in this buffer, just emit our char + if (buffer.length === 0) { + return charStr; + } + break; + } + + // determine and set charLength / charReceived + this.detectIncompleteChar(buffer); + + var end = buffer.length; + if (this.charLength) { + // buffer the incomplete character bytes we got + buffer.copy(this.charBuffer, 0, buffer.length - this.charReceived, end); + end -= this.charReceived; + } + + charStr += buffer.toString(this.encoding, 0, end); + + var end = charStr.length - 1; + var charCode = charStr.charCodeAt(end); + // CESU-8: lead surrogate (D800-DBFF) is also the incomplete character + if (charCode >= 0xD800 && charCode <= 0xDBFF) { + var size = this.surrogateSize; + this.charLength += size; + this.charReceived += size; + this.charBuffer.copy(this.charBuffer, size, 0, size); + buffer.copy(this.charBuffer, 0, 0, size); + return charStr.substring(0, end); + } + + // or just emit the charStr + return charStr; + }; + + // detectIncompleteChar determines if there is an incomplete UTF-8 character at + // the end of the given buffer. If so, it sets this.charLength to the byte + // length that character, and sets this.charReceived to the number of bytes + // that are available for this character. + StringDecoder.prototype.detectIncompleteChar = function(buffer) { + // determine how many bytes we have to check at the end of this buffer + var i = (buffer.length >= 3) ? 3 : buffer.length; + + // Figure out if one of the last i bytes of our buffer announces an + // incomplete char. + for (; i > 0; i--) { + var c = buffer[buffer.length - i]; + + // See http://en.wikipedia.org/wiki/UTF-8#Description + + // 110XXXXX + if (i == 1 && c >> 5 == 0x06) { + this.charLength = 2; + break; + } + + // 1110XXXX + if (i <= 2 && c >> 4 == 0x0E) { + this.charLength = 3; + break; + } + + // 11110XXX + if (i <= 3 && c >> 3 == 0x1E) { + this.charLength = 4; + break; + } + } + this.charReceived = i; + }; + + StringDecoder.prototype.end = function(buffer) { + var res = ''; + if (buffer && buffer.length) + res = this.write(buffer); + + if (this.charReceived) { + var cr = this.charReceived; + var buf = this.charBuffer; + var enc = this.encoding; + res += buf.slice(0, cr).toString(enc); + } + + return res; + }; + + function passThroughWrite(buffer) { + return buffer.toString(this.encoding); + } + + function utf16DetectIncompleteChar(buffer) { + this.charReceived = buffer.length % 2; + this.charLength = this.charReceived ? 2 : 0; + } + + function base64DetectIncompleteChar(buffer) { + this.charReceived = buffer.length % 3; + this.charLength = this.charReceived ? 3 : 0; + } + + Readable.ReadableState = ReadableState; + + var debug$2 = debuglog('stream'); + inherits$3(Readable, EventEmitter$2); + + function prependListener(emitter, event, fn) { + // Sadly this is not cacheable as some libraries bundle their own + // event emitter implementation with them. + if (typeof emitter.prependListener === 'function') { + return emitter.prependListener(event, fn); + } else { + // This is a hack to make sure that our error handler is attached before any + // userland ones. NEVER DO THIS. This is here only because this code needs + // to continue to work with older versions of Node.js that do not include + // the prependListener() method. The goal is to eventually remove this hack. + if (!emitter._events || !emitter._events[event]) + emitter.on(event, fn); + else if (Array.isArray(emitter._events[event])) + emitter._events[event].unshift(fn); + else + emitter._events[event] = [fn, emitter._events[event]]; + } + } + function listenerCount (emitter, type) { + return emitter.listeners(type).length; + } + function ReadableState(options, stream) { + + options = options || {}; + + // object stream flag. Used to make read(n) ignore n and to + // make all the buffer merging and length checks go away + this.objectMode = !!options.objectMode; + + if (stream instanceof Duplex) this.objectMode = this.objectMode || !!options.readableObjectMode; + + // the point at which it stops calling _read() to fill the buffer + // Note: 0 is a valid value, means "don't call _read preemptively ever" + var hwm = options.highWaterMark; + var defaultHwm = this.objectMode ? 16 : 16 * 1024; + this.highWaterMark = hwm || hwm === 0 ? hwm : defaultHwm; + + // cast to ints. + this.highWaterMark = ~ ~this.highWaterMark; + + // A linked list is used to store data chunks instead of an array because the + // linked list can remove elements from the beginning faster than + // array.shift() + this.buffer = new BufferList(); + this.length = 0; + this.pipes = null; + this.pipesCount = 0; + this.flowing = null; + this.ended = false; + this.endEmitted = false; + this.reading = false; + + // a flag to be able to tell if the onwrite cb is called immediately, + // or on a later tick. We set this to true at first, because any + // actions that shouldn't happen until "later" should generally also + // not happen before the first write call. + this.sync = true; + + // whenever we return null, then we set a flag to say + // that we're awaiting a 'readable' event emission. + this.needReadable = false; + this.emittedReadable = false; + this.readableListening = false; + this.resumeScheduled = false; + + // Crypto is kind of old and crusty. Historically, its default string + // encoding is 'binary' so we have to make this configurable. + // Everything else in the universe uses 'utf8', though. + this.defaultEncoding = options.defaultEncoding || 'utf8'; + + // when piping, we only care about 'readable' events that happen + // after read()ing all the bytes and not getting any pushback. + this.ranOut = false; + + // the number of writers that are awaiting a drain event in .pipe()s + this.awaitDrain = 0; + + // if true, a maybeReadMore has been scheduled + this.readingMore = false; + + this.decoder = null; + this.encoding = null; + if (options.encoding) { + this.decoder = new StringDecoder(options.encoding); + this.encoding = options.encoding; + } + } + function Readable(options) { + + if (!(this instanceof Readable)) return new Readable(options); + + this._readableState = new ReadableState(options, this); + + // legacy + this.readable = true; + + if (options && typeof options.read === 'function') this._read = options.read; + + EventEmitter$2.call(this); + } + + // Manually shove something into the read() buffer. + // This returns true if the highWaterMark has not been hit yet, + // similar to how Writable.write() returns true if you should + // write() some more. + Readable.prototype.push = function (chunk, encoding) { + var state = this._readableState; + + if (!state.objectMode && typeof chunk === 'string') { + encoding = encoding || state.defaultEncoding; + if (encoding !== state.encoding) { + chunk = Buffer$1.from(chunk, encoding); + encoding = ''; + } + } + + return readableAddChunk(this, state, chunk, encoding, false); + }; + + // Unshift should *always* be something directly out of read() + Readable.prototype.unshift = function (chunk) { + var state = this._readableState; + return readableAddChunk(this, state, chunk, '', true); + }; + + Readable.prototype.isPaused = function () { + return this._readableState.flowing === false; + }; + + function readableAddChunk(stream, state, chunk, encoding, addToFront) { + var er = chunkInvalid(state, chunk); + if (er) { + stream.emit('error', er); + } else if (chunk === null) { + state.reading = false; + onEofChunk(stream, state); + } else if (state.objectMode || chunk && chunk.length > 0) { + if (state.ended && !addToFront) { + var e = new Error('stream.push() after EOF'); + stream.emit('error', e); + } else if (state.endEmitted && addToFront) { + var _e = new Error('stream.unshift() after end event'); + stream.emit('error', _e); + } else { + var skipAdd; + if (state.decoder && !addToFront && !encoding) { + chunk = state.decoder.write(chunk); + skipAdd = !state.objectMode && chunk.length === 0; + } + + if (!addToFront) state.reading = false; + + // Don't add to the buffer if we've decoded to an empty string chunk and + // we're not in object mode + if (!skipAdd) { + // if we want the data now, just emit it. + if (state.flowing && state.length === 0 && !state.sync) { + stream.emit('data', chunk); + stream.read(0); + } else { + // update the buffer info. + state.length += state.objectMode ? 1 : chunk.length; + if (addToFront) state.buffer.unshift(chunk);else state.buffer.push(chunk); + + if (state.needReadable) emitReadable(stream); + } + } + + maybeReadMore(stream, state); + } + } else if (!addToFront) { + state.reading = false; + } + + return needMoreData(state); + } + + // if it's past the high water mark, we can push in some more. + // Also, if we have no data yet, we can stand some + // more bytes. This is to work around cases where hwm=0, + // such as the repl. Also, if the push() triggered a + // readable event, and the user called read(largeNumber) such that + // needReadable was set, then we ought to push more, so that another + // 'readable' event will be triggered. + function needMoreData(state) { + return !state.ended && (state.needReadable || state.length < state.highWaterMark || state.length === 0); + } + + // backwards compatibility. + Readable.prototype.setEncoding = function (enc) { + this._readableState.decoder = new StringDecoder(enc); + this._readableState.encoding = enc; + return this; + }; + + // Don't raise the hwm > 8MB + var MAX_HWM = 0x800000; + function computeNewHighWaterMark(n) { + if (n >= MAX_HWM) { + n = MAX_HWM; + } else { + // Get the next highest power of 2 to prevent increasing hwm excessively in + // tiny amounts + n--; + n |= n >>> 1; + n |= n >>> 2; + n |= n >>> 4; + n |= n >>> 8; + n |= n >>> 16; + n++; + } + return n; + } + + // This function is designed to be inlinable, so please take care when making + // changes to the function body. + function howMuchToRead(n, state) { + if (n <= 0 || state.length === 0 && state.ended) return 0; + if (state.objectMode) return 1; + if (n !== n) { + // Only flow one buffer at a time + if (state.flowing && state.length) return state.buffer.head.data.length;else return state.length; + } + // If we're asking for more than the current hwm, then raise the hwm. + if (n > state.highWaterMark) state.highWaterMark = computeNewHighWaterMark(n); + if (n <= state.length) return n; + // Don't have enough + if (!state.ended) { + state.needReadable = true; + return 0; + } + return state.length; + } + + // you can override either this method, or the async _read(n) below. + Readable.prototype.read = function (n) { + debug$2('read', n); + n = parseInt(n, 10); + var state = this._readableState; + var nOrig = n; + + if (n !== 0) state.emittedReadable = false; + + // if we're doing read(0) to trigger a readable event, but we + // already have a bunch of data in the buffer, then just trigger + // the 'readable' event and move on. + if (n === 0 && state.needReadable && (state.length >= state.highWaterMark || state.ended)) { + debug$2('read: emitReadable', state.length, state.ended); + if (state.length === 0 && state.ended) endReadable(this);else emitReadable(this); + return null; + } + + n = howMuchToRead(n, state); + + // if we've ended, and we're now clear, then finish it up. + if (n === 0 && state.ended) { + if (state.length === 0) endReadable(this); + return null; + } + + // All the actual chunk generation logic needs to be + // *below* the call to _read. The reason is that in certain + // synthetic stream cases, such as passthrough streams, _read + // may be a completely synchronous operation which may change + // the state of the read buffer, providing enough data when + // before there was *not* enough. + // + // So, the steps are: + // 1. Figure out what the state of things will be after we do + // a read from the buffer. + // + // 2. If that resulting state will trigger a _read, then call _read. + // Note that this may be asynchronous, or synchronous. Yes, it is + // deeply ugly to write APIs this way, but that still doesn't mean + // that the Readable class should behave improperly, as streams are + // designed to be sync/async agnostic. + // Take note if the _read call is sync or async (ie, if the read call + // has returned yet), so that we know whether or not it's safe to emit + // 'readable' etc. + // + // 3. Actually pull the requested chunks out of the buffer and return. + + // if we need a readable event, then we need to do some reading. + var doRead = state.needReadable; + debug$2('need readable', doRead); + + // if we currently have less than the highWaterMark, then also read some + if (state.length === 0 || state.length - n < state.highWaterMark) { + doRead = true; + debug$2('length less than watermark', doRead); + } + + // however, if we've ended, then there's no point, and if we're already + // reading, then it's unnecessary. + if (state.ended || state.reading) { + doRead = false; + debug$2('reading or ended', doRead); + } else if (doRead) { + debug$2('do read'); + state.reading = true; + state.sync = true; + // if the length is currently zero, then we *need* a readable event. + if (state.length === 0) state.needReadable = true; + // call internal read method + this._read(state.highWaterMark); + state.sync = false; + // If _read pushed data synchronously, then `reading` will be false, + // and we need to re-evaluate how much data we can return to the user. + if (!state.reading) n = howMuchToRead(nOrig, state); + } + + var ret; + if (n > 0) ret = fromList(n, state);else ret = null; + + if (ret === null) { + state.needReadable = true; + n = 0; + } else { + state.length -= n; + } + + if (state.length === 0) { + // If we have nothing in the buffer, then we want to know + // as soon as we *do* get something into the buffer. + if (!state.ended) state.needReadable = true; + + // If we tried to read() past the EOF, then emit end on the next tick. + if (nOrig !== n && state.ended) endReadable(this); + } + + if (ret !== null) this.emit('data', ret); + + return ret; + }; + + function chunkInvalid(state, chunk) { + var er = null; + if (!Buffer$1.isBuffer(chunk) && typeof chunk !== 'string' && chunk !== null && chunk !== undefined && !state.objectMode) { + er = new TypeError('Invalid non-string/buffer chunk'); + } + return er; + } + + function onEofChunk(stream, state) { + if (state.ended) return; + if (state.decoder) { + var chunk = state.decoder.end(); + if (chunk && chunk.length) { + state.buffer.push(chunk); + state.length += state.objectMode ? 1 : chunk.length; + } + } + state.ended = true; + + // emit 'readable' now to make sure it gets picked up. + emitReadable(stream); + } + + // Don't emit readable right away in sync mode, because this can trigger + // another read() call => stack overflow. This way, it might trigger + // a nextTick recursion warning, but that's not so bad. + function emitReadable(stream) { + var state = stream._readableState; + state.needReadable = false; + if (!state.emittedReadable) { + debug$2('emitReadable', state.flowing); + state.emittedReadable = true; + if (state.sync) nextTick(emitReadable_, stream);else emitReadable_(stream); + } + } + + function emitReadable_(stream) { + debug$2('emit readable'); + stream.emit('readable'); + flow(stream); + } + + // at this point, the user has presumably seen the 'readable' event, + // and called read() to consume some data. that may have triggered + // in turn another _read(n) call, in which case reading = true if + // it's in progress. + // However, if we're not ended, or reading, and the length < hwm, + // then go ahead and try to read some more preemptively. + function maybeReadMore(stream, state) { + if (!state.readingMore) { + state.readingMore = true; + nextTick(maybeReadMore_, stream, state); + } + } + + function maybeReadMore_(stream, state) { + var len = state.length; + while (!state.reading && !state.flowing && !state.ended && state.length < state.highWaterMark) { + debug$2('maybeReadMore read 0'); + stream.read(0); + if (len === state.length) + // didn't get any data, stop spinning. + break;else len = state.length; + } + state.readingMore = false; + } + + // abstract method. to be overridden in specific implementation classes. + // call cb(er, data) where data is <= n in length. + // for virtual (non-string, non-buffer) streams, "length" is somewhat + // arbitrary, and perhaps not very meaningful. + Readable.prototype._read = function (n) { + this.emit('error', new Error('not implemented')); + }; + + Readable.prototype.pipe = function (dest, pipeOpts) { + var src = this; + var state = this._readableState; + + switch (state.pipesCount) { + case 0: + state.pipes = dest; + break; + case 1: + state.pipes = [state.pipes, dest]; + break; + default: + state.pipes.push(dest); + break; + } + state.pipesCount += 1; + debug$2('pipe count=%d opts=%j', state.pipesCount, pipeOpts); + + var doEnd = (!pipeOpts || pipeOpts.end !== false); + + var endFn = doEnd ? onend : cleanup; + if (state.endEmitted) nextTick(endFn);else src.once('end', endFn); + + dest.on('unpipe', onunpipe); + function onunpipe(readable) { + debug$2('onunpipe'); + if (readable === src) { + cleanup(); + } + } + + function onend() { + debug$2('onend'); + dest.end(); + } + + // when the dest drains, it reduces the awaitDrain counter + // on the source. This would be more elegant with a .once() + // handler in flow(), but adding and removing repeatedly is + // too slow. + var ondrain = pipeOnDrain(src); + dest.on('drain', ondrain); + + var cleanedUp = false; + function cleanup() { + debug$2('cleanup'); + // cleanup event handlers once the pipe is broken + dest.removeListener('close', onclose); + dest.removeListener('finish', onfinish); + dest.removeListener('drain', ondrain); + dest.removeListener('error', onerror); + dest.removeListener('unpipe', onunpipe); + src.removeListener('end', onend); + src.removeListener('end', cleanup); + src.removeListener('data', ondata); + + cleanedUp = true; + + // if the reader is waiting for a drain event from this + // specific writer, then it would cause it to never start + // flowing again. + // So, if this is awaiting a drain, then we just call it now. + // If we don't know, then assume that we are waiting for one. + if (state.awaitDrain && (!dest._writableState || dest._writableState.needDrain)) ondrain(); + } + + // If the user pushes more data while we're writing to dest then we'll end up + // in ondata again. However, we only want to increase awaitDrain once because + // dest will only emit one 'drain' event for the multiple writes. + // => Introduce a guard on increasing awaitDrain. + var increasedAwaitDrain = false; + src.on('data', ondata); + function ondata(chunk) { + debug$2('ondata'); + increasedAwaitDrain = false; + var ret = dest.write(chunk); + if (false === ret && !increasedAwaitDrain) { + // If the user unpiped during `dest.write()`, it is possible + // to get stuck in a permanently paused state if that write + // also returned false. + // => Check whether `dest` is still a piping destination. + if ((state.pipesCount === 1 && state.pipes === dest || state.pipesCount > 1 && indexOf(state.pipes, dest) !== -1) && !cleanedUp) { + debug$2('false write response, pause', src._readableState.awaitDrain); + src._readableState.awaitDrain++; + increasedAwaitDrain = true; + } + src.pause(); + } + } + + // if the dest has an error, then stop piping into it. + // however, don't suppress the throwing behavior for this. + function onerror(er) { + debug$2('onerror', er); + unpipe(); + dest.removeListener('error', onerror); + if (listenerCount(dest, 'error') === 0) dest.emit('error', er); + } + + // Make sure our error handler is attached before userland ones. + prependListener(dest, 'error', onerror); + + // Both close and finish should trigger unpipe, but only once. + function onclose() { + dest.removeListener('finish', onfinish); + unpipe(); + } + dest.once('close', onclose); + function onfinish() { + debug$2('onfinish'); + dest.removeListener('close', onclose); + unpipe(); + } + dest.once('finish', onfinish); + + function unpipe() { + debug$2('unpipe'); + src.unpipe(dest); + } + + // tell the dest that it's being piped to + dest.emit('pipe', src); + + // start the flow if it hasn't been started already. + if (!state.flowing) { + debug$2('pipe resume'); + src.resume(); + } + + return dest; + }; + + function pipeOnDrain(src) { + return function () { + var state = src._readableState; + debug$2('pipeOnDrain', state.awaitDrain); + if (state.awaitDrain) state.awaitDrain--; + if (state.awaitDrain === 0 && src.listeners('data').length) { + state.flowing = true; + flow(src); + } + }; + } + + Readable.prototype.unpipe = function (dest) { + var state = this._readableState; + + // if we're not piping anywhere, then do nothing. + if (state.pipesCount === 0) return this; + + // just one destination. most common case. + if (state.pipesCount === 1) { + // passed in one, but it's not the right one. + if (dest && dest !== state.pipes) return this; + + if (!dest) dest = state.pipes; + + // got a match. + state.pipes = null; + state.pipesCount = 0; + state.flowing = false; + if (dest) dest.emit('unpipe', this); + return this; + } + + // slow case. multiple pipe destinations. + + if (!dest) { + // remove all. + var dests = state.pipes; + var len = state.pipesCount; + state.pipes = null; + state.pipesCount = 0; + state.flowing = false; + + for (var _i = 0; _i < len; _i++) { + dests[_i].emit('unpipe', this); + }return this; + } + + // try to find the right one. + var i = indexOf(state.pipes, dest); + if (i === -1) return this; + + state.pipes.splice(i, 1); + state.pipesCount -= 1; + if (state.pipesCount === 1) state.pipes = state.pipes[0]; + + dest.emit('unpipe', this); + + return this; + }; + + // set up data events if they are asked for + // Ensure readable listeners eventually get something + Readable.prototype.on = function (ev, fn) { + var res = EventEmitter$2.prototype.on.call(this, ev, fn); + + if (ev === 'data') { + // Start flowing on next tick if stream isn't explicitly paused + if (this._readableState.flowing !== false) this.resume(); + } else if (ev === 'readable') { + var state = this._readableState; + if (!state.endEmitted && !state.readableListening) { + state.readableListening = state.needReadable = true; + state.emittedReadable = false; + if (!state.reading) { + nextTick(nReadingNextTick, this); + } else if (state.length) { + emitReadable(this); + } + } + } + + return res; + }; + Readable.prototype.addListener = Readable.prototype.on; + + function nReadingNextTick(self) { + debug$2('readable nexttick read 0'); + self.read(0); + } + + // pause() and resume() are remnants of the legacy readable stream API + // If the user uses them, then switch into old mode. + Readable.prototype.resume = function () { + var state = this._readableState; + if (!state.flowing) { + debug$2('resume'); + state.flowing = true; + resume(this, state); + } + return this; + }; + + function resume(stream, state) { + if (!state.resumeScheduled) { + state.resumeScheduled = true; + nextTick(resume_, stream, state); + } + } + + function resume_(stream, state) { + if (!state.reading) { + debug$2('resume read 0'); + stream.read(0); + } + + state.resumeScheduled = false; + state.awaitDrain = 0; + stream.emit('resume'); + flow(stream); + if (state.flowing && !state.reading) stream.read(0); + } + + Readable.prototype.pause = function () { + debug$2('call pause flowing=%j', this._readableState.flowing); + if (false !== this._readableState.flowing) { + debug$2('pause'); + this._readableState.flowing = false; + this.emit('pause'); + } + return this; + }; + + function flow(stream) { + var state = stream._readableState; + debug$2('flow', state.flowing); + while (state.flowing && stream.read() !== null) {} + } + + // wrap an old-style stream as the async data source. + // This is *not* part of the readable stream interface. + // It is an ugly unfortunate mess of history. + Readable.prototype.wrap = function (stream) { + var state = this._readableState; + var paused = false; + + var self = this; + stream.on('end', function () { + debug$2('wrapped end'); + if (state.decoder && !state.ended) { + var chunk = state.decoder.end(); + if (chunk && chunk.length) self.push(chunk); + } + + self.push(null); + }); + + stream.on('data', function (chunk) { + debug$2('wrapped data'); + if (state.decoder) chunk = state.decoder.write(chunk); + + // don't skip over falsy values in objectMode + if (state.objectMode && (chunk === null || chunk === undefined)) return;else if (!state.objectMode && (!chunk || !chunk.length)) return; + + var ret = self.push(chunk); + if (!ret) { + paused = true; + stream.pause(); + } + }); + + // proxy all the other methods. + // important when wrapping filters and duplexes. + for (var i in stream) { + if (this[i] === undefined && typeof stream[i] === 'function') { + this[i] = function (method) { + return function () { + return stream[method].apply(stream, arguments); + }; + }(i); + } + } + + // proxy certain important events. + var events = ['error', 'close', 'destroy', 'pause', 'resume']; + forEach(events, function (ev) { + stream.on(ev, self.emit.bind(self, ev)); + }); + + // when we try to consume some more bytes, simply unpause the + // underlying stream. + self._read = function (n) { + debug$2('wrapped _read', n); + if (paused) { + paused = false; + stream.resume(); + } + }; + + return self; + }; + + // exposed for testing purposes only. + Readable._fromList = fromList; + + // Pluck off n bytes from an array of buffers. + // Length is the combined lengths of all the buffers in the list. + // This function is designed to be inlinable, so please take care when making + // changes to the function body. + function fromList(n, state) { + // nothing buffered + if (state.length === 0) return null; + + var ret; + if (state.objectMode) ret = state.buffer.shift();else if (!n || n >= state.length) { + // read it all, truncate the list + if (state.decoder) ret = state.buffer.join('');else if (state.buffer.length === 1) ret = state.buffer.head.data;else ret = state.buffer.concat(state.length); + state.buffer.clear(); + } else { + // read part of list + ret = fromListPartial(n, state.buffer, state.decoder); + } + + return ret; + } + + // Extracts only enough buffered data to satisfy the amount requested. + // This function is designed to be inlinable, so please take care when making + // changes to the function body. + function fromListPartial(n, list, hasStrings) { + var ret; + if (n < list.head.data.length) { + // slice is the same for buffers and strings + ret = list.head.data.slice(0, n); + list.head.data = list.head.data.slice(n); + } else if (n === list.head.data.length) { + // first chunk is a perfect match + ret = list.shift(); + } else { + // result spans more than one buffer + ret = hasStrings ? copyFromBufferString(n, list) : copyFromBuffer(n, list); + } + return ret; + } + + // Copies a specified amount of characters from the list of buffered data + // chunks. + // This function is designed to be inlinable, so please take care when making + // changes to the function body. + function copyFromBufferString(n, list) { + var p = list.head; + var c = 1; + var ret = p.data; + n -= ret.length; + while (p = p.next) { + var str = p.data; + var nb = n > str.length ? str.length : n; + if (nb === str.length) ret += str;else ret += str.slice(0, n); + n -= nb; + if (n === 0) { + if (nb === str.length) { + ++c; + if (p.next) list.head = p.next;else list.head = list.tail = null; + } else { + list.head = p; + p.data = str.slice(nb); + } + break; + } + ++c; + } + list.length -= c; + return ret; + } + + // Copies a specified amount of bytes from the list of buffered data chunks. + // This function is designed to be inlinable, so please take care when making + // changes to the function body. + function copyFromBuffer(n, list) { + var ret = Buffer$1.allocUnsafe(n); + var p = list.head; + var c = 1; + p.data.copy(ret); + n -= p.data.length; + while (p = p.next) { + var buf = p.data; + var nb = n > buf.length ? buf.length : n; + buf.copy(ret, ret.length - n, 0, nb); + n -= nb; + if (n === 0) { + if (nb === buf.length) { + ++c; + if (p.next) list.head = p.next;else list.head = list.tail = null; + } else { + list.head = p; + p.data = buf.slice(nb); + } + break; + } + ++c; + } + list.length -= c; + return ret; + } + + function endReadable(stream) { + var state = stream._readableState; + + // If we get here before consuming all the bytes, then that is a + // bug in node. Should never happen. + if (state.length > 0) throw new Error('"endReadable()" called on non-empty stream'); + + if (!state.endEmitted) { + state.ended = true; + nextTick(endReadableNT, state, stream); + } + } + + function endReadableNT(state, stream) { + // Check that we didn't get one last unshift. + if (!state.endEmitted && state.length === 0) { + state.endEmitted = true; + stream.readable = false; + stream.emit('end'); + } + } + + function forEach(xs, f) { + for (var i = 0, l = xs.length; i < l; i++) { + f(xs[i], i); + } + } + + function indexOf(xs, x) { + for (var i = 0, l = xs.length; i < l; i++) { + if (xs[i] === x) return i; + } + return -1; + } + + // A bit simpler than readable streams. + Writable.WritableState = WritableState; + inherits$3(Writable, EventEmitter$2); + + function nop() {} + + function WriteReq(chunk, encoding, cb) { + this.chunk = chunk; + this.encoding = encoding; + this.callback = cb; + this.next = null; + } + + function WritableState(options, stream) { + Object.defineProperty(this, 'buffer', { + get: deprecate$1(function () { + return this.getBuffer(); + }, '_writableState.buffer is deprecated. Use _writableState.getBuffer ' + 'instead.') + }); + options = options || {}; + + // object stream flag to indicate whether or not this stream + // contains buffers or objects. + this.objectMode = !!options.objectMode; + + if (stream instanceof Duplex) this.objectMode = this.objectMode || !!options.writableObjectMode; + + // the point at which write() starts returning false + // Note: 0 is a valid value, means that we always return false if + // the entire buffer is not flushed immediately on write() + var hwm = options.highWaterMark; + var defaultHwm = this.objectMode ? 16 : 16 * 1024; + this.highWaterMark = hwm || hwm === 0 ? hwm : defaultHwm; + + // cast to ints. + this.highWaterMark = ~ ~this.highWaterMark; + + this.needDrain = false; + // at the start of calling end() + this.ending = false; + // when end() has been called, and returned + this.ended = false; + // when 'finish' is emitted + this.finished = false; + + // should we decode strings into buffers before passing to _write? + // this is here so that some node-core streams can optimize string + // handling at a lower level. + var noDecode = options.decodeStrings === false; + this.decodeStrings = !noDecode; + + // Crypto is kind of old and crusty. Historically, its default string + // encoding is 'binary' so we have to make this configurable. + // Everything else in the universe uses 'utf8', though. + this.defaultEncoding = options.defaultEncoding || 'utf8'; + + // not an actual buffer we keep track of, but a measurement + // of how much we're waiting to get pushed to some underlying + // socket or file. + this.length = 0; + + // a flag to see when we're in the middle of a write. + this.writing = false; + + // when true all writes will be buffered until .uncork() call + this.corked = 0; + + // a flag to be able to tell if the onwrite cb is called immediately, + // or on a later tick. We set this to true at first, because any + // actions that shouldn't happen until "later" should generally also + // not happen before the first write call. + this.sync = true; + + // a flag to know if we're processing previously buffered items, which + // may call the _write() callback in the same tick, so that we don't + // end up in an overlapped onwrite situation. + this.bufferProcessing = false; + + // the callback that's passed to _write(chunk,cb) + this.onwrite = function (er) { + onwrite(stream, er); + }; + + // the callback that the user supplies to write(chunk,encoding,cb) + this.writecb = null; + + // the amount that is being written when _write is called. + this.writelen = 0; + + this.bufferedRequest = null; + this.lastBufferedRequest = null; + + // number of pending user-supplied write callbacks + // this must be 0 before 'finish' can be emitted + this.pendingcb = 0; + + // emit prefinish if the only thing we're waiting for is _write cbs + // This is relevant for synchronous Transform streams + this.prefinished = false; + + // True if the error was already emitted and should not be thrown again + this.errorEmitted = false; + + // count buffered requests + this.bufferedRequestCount = 0; + + // allocate the first CorkedRequest, there is always + // one allocated and free to use, and we maintain at most two + this.corkedRequestsFree = new CorkedRequest(this); + } + + WritableState.prototype.getBuffer = function writableStateGetBuffer() { + var current = this.bufferedRequest; + var out = []; + while (current) { + out.push(current); + current = current.next; + } + return out; + }; + function Writable(options) { + + // Writable ctor is applied to Duplexes, though they're not + // instanceof Writable, they're instanceof Readable. + if (!(this instanceof Writable) && !(this instanceof Duplex)) return new Writable(options); + + this._writableState = new WritableState(options, this); + + // legacy. + this.writable = true; + + if (options) { + if (typeof options.write === 'function') this._write = options.write; + + if (typeof options.writev === 'function') this._writev = options.writev; + } + + EventEmitter$2.call(this); + } + + // Otherwise people can pipe Writable streams, which is just wrong. + Writable.prototype.pipe = function () { + this.emit('error', new Error('Cannot pipe, not readable')); + }; + + function writeAfterEnd(stream, cb) { + var er = new Error('write after end'); + // TODO: defer error events consistently everywhere, not just the cb + stream.emit('error', er); + nextTick(cb, er); + } + + // If we get something that is not a buffer, string, null, or undefined, + // and we're not in objectMode, then that's an error. + // Otherwise stream chunks are all considered to be of length=1, and the + // watermarks determine how many objects to keep in the buffer, rather than + // how many bytes or characters. + function validChunk(stream, state, chunk, cb) { + var valid = true; + var er = false; + // Always throw error if a null is written + // if we are not in object mode then throw + // if it is not a buffer, string, or undefined. + if (chunk === null) { + er = new TypeError('May not write null values to stream'); + } else if (!Buffer$1.isBuffer(chunk) && typeof chunk !== 'string' && chunk !== undefined && !state.objectMode) { + er = new TypeError('Invalid non-string/buffer chunk'); + } + if (er) { + stream.emit('error', er); + nextTick(cb, er); + valid = false; + } + return valid; + } + + Writable.prototype.write = function (chunk, encoding, cb) { + var state = this._writableState; + var ret = false; + + if (typeof encoding === 'function') { + cb = encoding; + encoding = null; + } + + if (Buffer$1.isBuffer(chunk)) encoding = 'buffer';else if (!encoding) encoding = state.defaultEncoding; + + if (typeof cb !== 'function') cb = nop; + + if (state.ended) writeAfterEnd(this, cb);else if (validChunk(this, state, chunk, cb)) { + state.pendingcb++; + ret = writeOrBuffer(this, state, chunk, encoding, cb); + } + + return ret; + }; + + Writable.prototype.cork = function () { + var state = this._writableState; + + state.corked++; + }; + + Writable.prototype.uncork = function () { + var state = this._writableState; + + if (state.corked) { + state.corked--; + + if (!state.writing && !state.corked && !state.finished && !state.bufferProcessing && state.bufferedRequest) clearBuffer(this, state); + } + }; + + Writable.prototype.setDefaultEncoding = function setDefaultEncoding(encoding) { + // node::ParseEncoding() requires lower case. + if (typeof encoding === 'string') encoding = encoding.toLowerCase(); + if (!(['hex', 'utf8', 'utf-8', 'ascii', 'binary', 'base64', 'ucs2', 'ucs-2', 'utf16le', 'utf-16le', 'raw'].indexOf((encoding + '').toLowerCase()) > -1)) throw new TypeError('Unknown encoding: ' + encoding); + this._writableState.defaultEncoding = encoding; + return this; + }; + + function decodeChunk(state, chunk, encoding) { + if (!state.objectMode && state.decodeStrings !== false && typeof chunk === 'string') { + chunk = Buffer$1.from(chunk, encoding); + } + return chunk; + } + + // if we're already writing something, then just put this + // in the queue, and wait our turn. Otherwise, call _write + // If we return false, then we need a drain event, so set that flag. + function writeOrBuffer(stream, state, chunk, encoding, cb) { + chunk = decodeChunk(state, chunk, encoding); + + if (Buffer$1.isBuffer(chunk)) encoding = 'buffer'; + var len = state.objectMode ? 1 : chunk.length; + + state.length += len; + + var ret = state.length < state.highWaterMark; + // we must ensure that previous needDrain will not be reset to false. + if (!ret) state.needDrain = true; + + if (state.writing || state.corked) { + var last = state.lastBufferedRequest; + state.lastBufferedRequest = new WriteReq(chunk, encoding, cb); + if (last) { + last.next = state.lastBufferedRequest; + } else { + state.bufferedRequest = state.lastBufferedRequest; + } + state.bufferedRequestCount += 1; + } else { + doWrite(stream, state, false, len, chunk, encoding, cb); + } + + return ret; + } + + function doWrite(stream, state, writev, len, chunk, encoding, cb) { + state.writelen = len; + state.writecb = cb; + state.writing = true; + state.sync = true; + if (writev) stream._writev(chunk, state.onwrite);else stream._write(chunk, encoding, state.onwrite); + state.sync = false; + } + + function onwriteError(stream, state, sync, er, cb) { + --state.pendingcb; + if (sync) nextTick(cb, er);else cb(er); + + stream._writableState.errorEmitted = true; + stream.emit('error', er); + } + + function onwriteStateUpdate(state) { + state.writing = false; + state.writecb = null; + state.length -= state.writelen; + state.writelen = 0; + } + + function onwrite(stream, er) { + var state = stream._writableState; + var sync = state.sync; + var cb = state.writecb; + + onwriteStateUpdate(state); + + if (er) onwriteError(stream, state, sync, er, cb);else { + // Check if we're actually ready to finish, but don't emit yet + var finished = needFinish(state); + + if (!finished && !state.corked && !state.bufferProcessing && state.bufferedRequest) { + clearBuffer(stream, state); + } + + if (sync) { + /**/ + nextTick(afterWrite, stream, state, finished, cb); + /**/ + } else { + afterWrite(stream, state, finished, cb); + } + } + } + + function afterWrite(stream, state, finished, cb) { + if (!finished) onwriteDrain(stream, state); + state.pendingcb--; + cb(); + finishMaybe(stream, state); + } + + // Must force callback to be called on nextTick, so that we don't + // emit 'drain' before the write() consumer gets the 'false' return + // value, and has a chance to attach a 'drain' listener. + function onwriteDrain(stream, state) { + if (state.length === 0 && state.needDrain) { + state.needDrain = false; + stream.emit('drain'); + } + } + + // if there's something in the buffer waiting, then process it + function clearBuffer(stream, state) { + state.bufferProcessing = true; + var entry = state.bufferedRequest; + + if (stream._writev && entry && entry.next) { + // Fast case, write everything using _writev() + var l = state.bufferedRequestCount; + var buffer = new Array(l); + var holder = state.corkedRequestsFree; + holder.entry = entry; + + var count = 0; + while (entry) { + buffer[count] = entry; + entry = entry.next; + count += 1; + } + + doWrite(stream, state, true, state.length, buffer, '', holder.finish); + + // doWrite is almost always async, defer these to save a bit of time + // as the hot path ends with doWrite + state.pendingcb++; + state.lastBufferedRequest = null; + if (holder.next) { + state.corkedRequestsFree = holder.next; + holder.next = null; + } else { + state.corkedRequestsFree = new CorkedRequest(state); + } + } else { + // Slow case, write chunks one-by-one + while (entry) { + var chunk = entry.chunk; + var encoding = entry.encoding; + var cb = entry.callback; + var len = state.objectMode ? 1 : chunk.length; + + doWrite(stream, state, false, len, chunk, encoding, cb); + entry = entry.next; + // if we didn't call the onwrite immediately, then + // it means that we need to wait until it does. + // also, that means that the chunk and cb are currently + // being processed, so move the buffer counter past them. + if (state.writing) { + break; + } + } + + if (entry === null) state.lastBufferedRequest = null; + } + + state.bufferedRequestCount = 0; + state.bufferedRequest = entry; + state.bufferProcessing = false; + } + + Writable.prototype._write = function (chunk, encoding, cb) { + cb(new Error('not implemented')); + }; + + Writable.prototype._writev = null; + + Writable.prototype.end = function (chunk, encoding, cb) { + var state = this._writableState; + + if (typeof chunk === 'function') { + cb = chunk; + chunk = null; + encoding = null; + } else if (typeof encoding === 'function') { + cb = encoding; + encoding = null; + } + + if (chunk !== null && chunk !== undefined) this.write(chunk, encoding); + + // .end() fully uncorks + if (state.corked) { + state.corked = 1; + this.uncork(); + } + + // ignore unnecessary end() calls. + if (!state.ending && !state.finished) endWritable(this, state, cb); + }; + + function needFinish(state) { + return state.ending && state.length === 0 && state.bufferedRequest === null && !state.finished && !state.writing; + } + + function prefinish(stream, state) { + if (!state.prefinished) { + state.prefinished = true; + stream.emit('prefinish'); + } + } + + function finishMaybe(stream, state) { + var need = needFinish(state); + if (need) { + if (state.pendingcb === 0) { + prefinish(stream, state); + state.finished = true; + stream.emit('finish'); + } else { + prefinish(stream, state); + } + } + return need; + } + + function endWritable(stream, state, cb) { + state.ending = true; + finishMaybe(stream, state); + if (cb) { + if (state.finished) nextTick(cb);else stream.once('finish', cb); + } + state.ended = true; + stream.writable = false; + } + + // It seems a linked list but it is not + // there will be only 2 of these for each stream + function CorkedRequest(state) { + var _this = this; + + this.next = null; + this.entry = null; + + this.finish = function (err) { + var entry = _this.entry; + _this.entry = null; + while (entry) { + var cb = entry.callback; + state.pendingcb--; + cb(err); + entry = entry.next; + } + if (state.corkedRequestsFree) { + state.corkedRequestsFree.next = _this; + } else { + state.corkedRequestsFree = _this; + } + }; + } + + inherits$3(Duplex, Readable); + + var keys = Object.keys(Writable.prototype); + for (var v = 0; v < keys.length; v++) { + var method = keys[v]; + if (!Duplex.prototype[method]) Duplex.prototype[method] = Writable.prototype[method]; + } + function Duplex(options) { + if (!(this instanceof Duplex)) return new Duplex(options); + + Readable.call(this, options); + Writable.call(this, options); + + if (options && options.readable === false) this.readable = false; + + if (options && options.writable === false) this.writable = false; + + this.allowHalfOpen = true; + if (options && options.allowHalfOpen === false) this.allowHalfOpen = false; + + this.once('end', onend); + } + + // the no-half-open enforcer + function onend() { + // if we allow half-open state, or if the writable side ended, + // then we're ok. + if (this.allowHalfOpen || this._writableState.ended) return; + + // no more data can be written. + // But allow more writes to happen in this tick. + nextTick(onEndNT, this); + } + + function onEndNT(self) { + self.end(); + } + + // a transform stream is a readable/writable stream where you do + inherits$3(Transform, Duplex); + + function TransformState(stream) { + this.afterTransform = function (er, data) { + return afterTransform(stream, er, data); + }; + + this.needTransform = false; + this.transforming = false; + this.writecb = null; + this.writechunk = null; + this.writeencoding = null; + } + + function afterTransform(stream, er, data) { + var ts = stream._transformState; + ts.transforming = false; + + var cb = ts.writecb; + + if (!cb) return stream.emit('error', new Error('no writecb in Transform class')); + + ts.writechunk = null; + ts.writecb = null; + + if (data !== null && data !== undefined) stream.push(data); + + cb(er); + + var rs = stream._readableState; + rs.reading = false; + if (rs.needReadable || rs.length < rs.highWaterMark) { + stream._read(rs.highWaterMark); + } + } + function Transform(options) { + if (!(this instanceof Transform)) return new Transform(options); + + Duplex.call(this, options); + + this._transformState = new TransformState(this); + + // when the writable side finishes, then flush out anything remaining. + var stream = this; + + // start out asking for a readable event once data is transformed. + this._readableState.needReadable = true; + + // we have implemented the _read method, and done the other things + // that Readable wants before the first _read call, so unset the + // sync guard flag. + this._readableState.sync = false; + + if (options) { + if (typeof options.transform === 'function') this._transform = options.transform; + + if (typeof options.flush === 'function') this._flush = options.flush; + } + + this.once('prefinish', function () { + if (typeof this._flush === 'function') this._flush(function (er) { + done(stream, er); + });else done(stream); + }); + } + + Transform.prototype.push = function (chunk, encoding) { + this._transformState.needTransform = false; + return Duplex.prototype.push.call(this, chunk, encoding); + }; + + // This is the part where you do stuff! + // override this function in implementation classes. + // 'chunk' is an input chunk. + // + // Call `push(newChunk)` to pass along transformed output + // to the readable side. You may call 'push' zero or more times. + // + // Call `cb(err)` when you are done with this chunk. If you pass + // an error, then that'll put the hurt on the whole operation. If you + // never call cb(), then you'll never get another chunk. + Transform.prototype._transform = function (chunk, encoding, cb) { + throw new Error('Not implemented'); + }; + + Transform.prototype._write = function (chunk, encoding, cb) { + var ts = this._transformState; + ts.writecb = cb; + ts.writechunk = chunk; + ts.writeencoding = encoding; + if (!ts.transforming) { + var rs = this._readableState; + if (ts.needTransform || rs.needReadable || rs.length < rs.highWaterMark) this._read(rs.highWaterMark); + } + }; + + // Doesn't matter what the args are here. + // _transform does all the work. + // That we got here means that the readable side wants more data. + Transform.prototype._read = function (n) { + var ts = this._transformState; + + if (ts.writechunk !== null && ts.writecb && !ts.transforming) { + ts.transforming = true; + this._transform(ts.writechunk, ts.writeencoding, ts.afterTransform); + } else { + // mark that we need a transform, so that any data that comes in + // will get processed, now that we've asked for it. + ts.needTransform = true; + } + }; + + function done(stream, er) { + if (er) return stream.emit('error', er); + + // if there's nothing in the write buffer, then that means + // that nothing more will ever be provided + var ws = stream._writableState; + var ts = stream._transformState; + + if (ws.length) throw new Error('Calling transform done when ws.length != 0'); + + if (ts.transforming) throw new Error('Calling transform done when still transforming'); + + return stream.push(null); + } + + inherits$3(PassThrough, Transform); + function PassThrough(options) { + if (!(this instanceof PassThrough)) return new PassThrough(options); + + Transform.call(this, options); + } + + PassThrough.prototype._transform = function (chunk, encoding, cb) { + cb(null, chunk); + }; + + inherits$3(Stream, EventEmitter$2); + Stream.Readable = Readable; + Stream.Writable = Writable; + Stream.Duplex = Duplex; + Stream.Transform = Transform; + Stream.PassThrough = PassThrough; + + // Backwards-compat with node 0.4.x + Stream.Stream = Stream; + + // old-style streams. Note that the pipe method (the only relevant + // part of this class) is overridden in the Readable class. + + function Stream() { + EventEmitter$2.call(this); + } + + Stream.prototype.pipe = function(dest, options) { + var source = this; + + function ondata(chunk) { + if (dest.writable) { + if (false === dest.write(chunk) && source.pause) { + source.pause(); + } + } + } + + source.on('data', ondata); + + function ondrain() { + if (source.readable && source.resume) { + source.resume(); + } + } + + dest.on('drain', ondrain); + + // If the 'end' option is not supplied, dest.end() will be called when + // source gets the 'end' or 'close' events. Only dest.end() once. + if (!dest._isStdio && (!options || options.end !== false)) { + source.on('end', onend); + source.on('close', onclose); + } + + var didOnEnd = false; + function onend() { + if (didOnEnd) return; + didOnEnd = true; + + dest.end(); + } + + + function onclose() { + if (didOnEnd) return; + didOnEnd = true; + + if (typeof dest.destroy === 'function') dest.destroy(); + } + + // don't leave dangling pipes when there are errors. + function onerror(er) { + cleanup(); + if (EventEmitter$2.listenerCount(this, 'error') === 0) { + throw er; // Unhandled stream error in pipe. + } + } + + source.on('error', onerror); + dest.on('error', onerror); + + // remove all the event listeners that were added. + function cleanup() { + source.removeListener('data', ondata); + dest.removeListener('drain', ondrain); + + source.removeListener('end', onend); + source.removeListener('close', onclose); + + source.removeListener('error', onerror); + dest.removeListener('error', onerror); + + source.removeListener('end', cleanup); + source.removeListener('close', cleanup); + + dest.removeListener('close', cleanup); + } + + source.on('end', cleanup); + source.on('close', cleanup); + + dest.on('close', cleanup); + + dest.emit('pipe', source); + + // Allow for unix-like usage: A.pipe(B).pipe(C) + return dest; + }; + + var _polyfillNode_stream = /*#__PURE__*/Object.freeze({ + __proto__: null, + 'default': Stream, + Readable: Readable, + Writable: Writable, + Duplex: Duplex, + Transform: Transform, + PassThrough: PassThrough, + Stream: Stream + }); + + var require$$0$2 = /*@__PURE__*/getAugmentedNamespace(_polyfillNode_stream); + + var require$$0$1 = /*@__PURE__*/getAugmentedNamespace(_polyfillNode_util$1); + + var WritableStream = require$$0$2.Writable; + var inherits$1 = require$$0$1.inherits; + + var browserStdout = BrowserStdout; + + + inherits$1(BrowserStdout, WritableStream); + + function BrowserStdout(opts) { + if (!(this instanceof BrowserStdout)) return new BrowserStdout(opts) + + opts = opts || {}; + WritableStream.call(this, opts); + this.label = (opts.label !== undefined) ? opts.label : 'stdout'; + } + + BrowserStdout.prototype._write = function(chunks, encoding, cb) { + var output = chunks.toString ? chunks.toString() : chunks; + if (this.label === false) { + console.log(output); + } else { + console.log(this.label+':', output); + } + nextTick$1(cb); + }; + + /** + * Parse the given `qs`. + * + * @private + * @param {string} qs + * @return {Object} + */ + var parseQuery$1 = function parseQuery(qs) { + return qs + .replace('?', '') + .split('&') + .reduce(function (obj, pair) { + var i = pair.indexOf('='); + var key = pair.slice(0, i); + var val = pair.slice(++i); + + // Due to how the URLSearchParams API treats spaces + obj[key] = decodeURIComponent(val.replace(/\+/g, '%20')); + + return obj; + }, {}); + }; + + /** + * Highlight the given string of `js`. + * + * @private + * @param {string} js + * @return {string} + */ + function highlight(js) { + return js + .replace(//g, '>') + .replace(/\/\/(.*)/gm, '//$1') + .replace(/('.*?')/gm, '$1') + .replace(/(\d+\.\d+)/gm, '$1') + .replace(/(\d+)/gm, '$1') + .replace( + /\bnew[ \t]+(\w+)/gm, + 'new $1' + ) + .replace( + /\b(function|new|throw|return|var|if|else)\b/gm, + '$1' + ); + } + + /** + * Highlight the contents of tag `name`. + * + * @private + * @param {string} name + */ + var highlightTags$1 = function highlightTags(name) { + var code = document.getElementById('mocha').getElementsByTagName(name); + for (var i = 0, len = code.length; i < len; ++i) { + code[i].innerHTML = highlight(code[i].innerHTML); + } + }; + + var mocha$1 = {exports: {}}; + + var escapeStringRegexp = string => { + if (typeof string !== 'string') { + throw new TypeError('Expected a string'); + } + + // Escape characters with special meaning either inside or outside character sets. + // Use a simple backslash escape when it’s always valid, and a \unnnn escape when the simpler form would be disallowed by Unicode patterns’ stricter grammar. + return string + .replace(/[|\\{}()[\]^$+*?.]/g, '\\$&') + .replace(/-/g, '\\x2d'); + }; + + // Copyright Joyent, Inc. and other Node contributors. + // + // Permission is hereby granted, free of charge, to any person obtaining a + // copy of this software and associated documentation files (the + // "Software"), to deal in the Software without restriction, including + // without limitation the rights to use, copy, modify, merge, publish, + // distribute, sublicense, and/or sell copies of the Software, and to permit + // persons to whom the Software is furnished to do so, subject to the + // following conditions: + // + // The above copyright notice and this permission notice shall be included + // in all copies or substantial portions of the Software. + // + // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN + // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, + // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + // USE OR OTHER DEALINGS IN THE SOFTWARE. + + // resolves . and .. elements in a path array with directory names there + // must be no slashes, empty elements, or device names (c:\) in the array + // (so also no leading and trailing slashes - it does not distinguish + // relative and absolute paths) + function normalizeArray(parts, allowAboveRoot) { + // if the path tries to go above the root, `up` ends up > 0 + var up = 0; + for (var i = parts.length - 1; i >= 0; i--) { + var last = parts[i]; + if (last === '.') { + parts.splice(i, 1); + } else if (last === '..') { + parts.splice(i, 1); + up++; + } else if (up) { + parts.splice(i, 1); + up--; + } + } + + // if the path is allowed to go above the root, restore leading ..s + if (allowAboveRoot) { + for (; up--; up) { + parts.unshift('..'); + } + } + + return parts; + } + + // Split a filename into [root, dir, basename, ext], unix version + // 'root' is just a slash, or nothing. + var splitPathRe = + /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/; + var splitPath = function(filename) { + return splitPathRe.exec(filename).slice(1); + }; + + // path.resolve([from ...], to) + // posix version + function resolve() { + var resolvedPath = '', + resolvedAbsolute = false; + + for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) { + var path = (i >= 0) ? arguments[i] : '/'; + + // Skip empty and invalid entries + if (typeof path !== 'string') { + throw new TypeError('Arguments to path.resolve must be strings'); + } else if (!path) { + continue; + } + + resolvedPath = path + '/' + resolvedPath; + resolvedAbsolute = path.charAt(0) === '/'; + } + + // At this point the path should be resolved to a full absolute path, but + // handle relative paths to be safe (might happen when process.cwd() fails) + + // Normalize the path + resolvedPath = normalizeArray(filter(resolvedPath.split('/'), function(p) { + return !!p; + }), !resolvedAbsolute).join('/'); + + return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.'; + } + // path.normalize(path) + // posix version + function normalize(path) { + var isPathAbsolute = isAbsolute(path), + trailingSlash = substr(path, -1) === '/'; + + // Normalize the path + path = normalizeArray(filter(path.split('/'), function(p) { + return !!p; + }), !isPathAbsolute).join('/'); + + if (!path && !isPathAbsolute) { + path = '.'; + } + if (path && trailingSlash) { + path += '/'; + } + + return (isPathAbsolute ? '/' : '') + path; + } + // posix version + function isAbsolute(path) { + return path.charAt(0) === '/'; + } + + // posix version + function join() { + var paths = Array.prototype.slice.call(arguments, 0); + return normalize(filter(paths, function(p, index) { + if (typeof p !== 'string') { + throw new TypeError('Arguments to path.join must be strings'); + } + return p; + }).join('/')); + } + + + // path.relative(from, to) + // posix version + function relative(from, to) { + from = resolve(from).substr(1); + to = resolve(to).substr(1); + + function trim(arr) { + var start = 0; + for (; start < arr.length; start++) { + if (arr[start] !== '') break; + } + + var end = arr.length - 1; + for (; end >= 0; end--) { + if (arr[end] !== '') break; + } + + if (start > end) return []; + return arr.slice(start, end - start + 1); + } + + var fromParts = trim(from.split('/')); + var toParts = trim(to.split('/')); + + var length = Math.min(fromParts.length, toParts.length); + var samePartsLength = length; + for (var i = 0; i < length; i++) { + if (fromParts[i] !== toParts[i]) { + samePartsLength = i; + break; + } + } + + var outputParts = []; + for (var i = samePartsLength; i < fromParts.length; i++) { + outputParts.push('..'); + } + + outputParts = outputParts.concat(toParts.slice(samePartsLength)); + + return outputParts.join('/'); + } + + var sep = '/'; + var delimiter = ':'; + + function dirname(path) { + var result = splitPath(path), + root = result[0], + dir = result[1]; + + if (!root && !dir) { + // No dirname whatsoever + return '.'; + } + + if (dir) { + // It has a dirname, strip trailing slash + dir = dir.substr(0, dir.length - 1); + } + + return root + dir; + } + + function basename(path, ext) { + var f = splitPath(path)[2]; + // TODO: make this comparison case-insensitive on windows? + if (ext && f.substr(-1 * ext.length) === ext) { + f = f.substr(0, f.length - ext.length); + } + return f; + } + + + function extname(path) { + return splitPath(path)[3]; + } + var _polyfillNode_path = { + extname: extname, + basename: basename, + dirname: dirname, + sep: sep, + delimiter: delimiter, + relative: relative, + join: join, + isAbsolute: isAbsolute, + normalize: normalize, + resolve: resolve + }; + function filter (xs, f) { + if (xs.filter) return xs.filter(f); + var res = []; + for (var i = 0; i < xs.length; i++) { + if (f(xs[i], i, xs)) res.push(xs[i]); + } + return res; + } + + // String.prototype.substr - negative index don't work in IE8 + var substr = 'ab'.substr(-1) === 'b' ? + function (str, start, len) { return str.substr(start, len) } : + function (str, start, len) { + if (start < 0) start = str.length + start; + return str.substr(start, len); + } + ; + + var _polyfillNode_path$1 = /*#__PURE__*/Object.freeze({ + __proto__: null, + resolve: resolve, + normalize: normalize, + isAbsolute: isAbsolute, + join: join, + relative: relative, + sep: sep, + delimiter: delimiter, + dirname: dirname, + basename: basename, + extname: extname, + 'default': _polyfillNode_path + }); + + var require$$1 = /*@__PURE__*/getAugmentedNamespace(_polyfillNode_path$1); + + var reporters = {}; + + var base$1 = {exports: {}}; + + var lib = {}; + + var base = {}; + + /*istanbul ignore start*/ + + (function (exports) { + + Object.defineProperty(exports, "__esModule", { + value: true + }); + exports["default"] = Diff; + + /*istanbul ignore end*/ + function Diff() {} + + Diff.prototype = { + /*istanbul ignore start*/ + + /*istanbul ignore end*/ + diff: function diff(oldString, newString) { + /*istanbul ignore start*/ + var _options$timeout; + + var + /*istanbul ignore end*/ + options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {}; + var callback = options.callback; + + if (typeof options === 'function') { + callback = options; + options = {}; + } + + this.options = options; + var self = this; + + function done(value) { + if (callback) { + setTimeout(function () { + callback(undefined, value); + }, 0); + return true; + } else { + return value; + } + } // Allow subclasses to massage the input prior to running + + + oldString = this.castInput(oldString); + newString = this.castInput(newString); + oldString = this.removeEmpty(this.tokenize(oldString)); + newString = this.removeEmpty(this.tokenize(newString)); + var newLen = newString.length, + oldLen = oldString.length; + var editLength = 1; + var maxEditLength = newLen + oldLen; + + if (options.maxEditLength) { + maxEditLength = Math.min(maxEditLength, options.maxEditLength); + } + + var maxExecutionTime = + /*istanbul ignore start*/ + (_options$timeout = + /*istanbul ignore end*/ + options.timeout) !== null && _options$timeout !== void 0 ? _options$timeout : Infinity; + var abortAfterTimestamp = Date.now() + maxExecutionTime; + var bestPath = [{ + oldPos: -1, + lastComponent: undefined + }]; // Seed editLength = 0, i.e. the content starts with the same values + + var newPos = this.extractCommon(bestPath[0], newString, oldString, 0); + + if (bestPath[0].oldPos + 1 >= oldLen && newPos + 1 >= newLen) { + // Identity per the equality and tokenizer + return done([{ + value: this.join(newString), + count: newString.length + }]); + } // Once we hit the right edge of the edit graph on some diagonal k, we can + // definitely reach the end of the edit graph in no more than k edits, so + // there's no point in considering any moves to diagonal k+1 any more (from + // which we're guaranteed to need at least k+1 more edits). + // Similarly, once we've reached the bottom of the edit graph, there's no + // point considering moves to lower diagonals. + // We record this fact by setting minDiagonalToConsider and + // maxDiagonalToConsider to some finite value once we've hit the edge of + // the edit graph. + // This optimization is not faithful to the original algorithm presented in + // Myers's paper, which instead pointlessly extends D-paths off the end of + // the edit graph - see page 7 of Myers's paper which notes this point + // explicitly and illustrates it with a diagram. This has major performance + // implications for some common scenarios. For instance, to compute a diff + // where the new text simply appends d characters on the end of the + // original text of length n, the true Myers algorithm will take O(n+d^2) + // time while this optimization needs only O(n+d) time. + + + var minDiagonalToConsider = -Infinity, + maxDiagonalToConsider = Infinity; // Main worker method. checks all permutations of a given edit length for acceptance. + + function execEditLength() { + for (var diagonalPath = Math.max(minDiagonalToConsider, -editLength); diagonalPath <= Math.min(maxDiagonalToConsider, editLength); diagonalPath += 2) { + var basePath = + /*istanbul ignore start*/ + void 0 + /*istanbul ignore end*/ + ; + var removePath = bestPath[diagonalPath - 1], + addPath = bestPath[diagonalPath + 1]; + + if (removePath) { + // No one else is going to attempt to use this value, clear it + bestPath[diagonalPath - 1] = undefined; + } + + var canAdd = false; + + if (addPath) { + // what newPos will be after we do an insertion: + var addPathNewPos = addPath.oldPos - diagonalPath; + canAdd = addPath && 0 <= addPathNewPos && addPathNewPos < newLen; + } + + var canRemove = removePath && removePath.oldPos + 1 < oldLen; + + if (!canAdd && !canRemove) { + // If this path is a terminal then prune + bestPath[diagonalPath] = undefined; + continue; + } // Select the diagonal that we want to branch from. We select the prior + // path whose position in the old string is the farthest from the origin + // and does not pass the bounds of the diff graph + // TODO: Remove the `+ 1` here to make behavior match Myers algorithm + // and prefer to order removals before insertions. + + + if (!canRemove || canAdd && removePath.oldPos + 1 < addPath.oldPos) { + basePath = self.addToPath(addPath, true, undefined, 0); + } else { + basePath = self.addToPath(removePath, undefined, true, 1); + } + + newPos = self.extractCommon(basePath, newString, oldString, diagonalPath); + + if (basePath.oldPos + 1 >= oldLen && newPos + 1 >= newLen) { + // If we have hit the end of both strings, then we are done + return done(buildValues(self, basePath.lastComponent, newString, oldString, self.useLongestToken)); + } else { + bestPath[diagonalPath] = basePath; + + if (basePath.oldPos + 1 >= oldLen) { + maxDiagonalToConsider = Math.min(maxDiagonalToConsider, diagonalPath - 1); + } + + if (newPos + 1 >= newLen) { + minDiagonalToConsider = Math.max(minDiagonalToConsider, diagonalPath + 1); + } + } + } + + editLength++; + } // Performs the length of edit iteration. Is a bit fugly as this has to support the + // sync and async mode which is never fun. Loops over execEditLength until a value + // is produced, or until the edit length exceeds options.maxEditLength (if given), + // in which case it will return undefined. + + + if (callback) { + (function exec() { + setTimeout(function () { + if (editLength > maxEditLength || Date.now() > abortAfterTimestamp) { + return callback(); + } + + if (!execEditLength()) { + exec(); + } + }, 0); + })(); + } else { + while (editLength <= maxEditLength && Date.now() <= abortAfterTimestamp) { + var ret = execEditLength(); + + if (ret) { + return ret; + } + } + } + }, + + /*istanbul ignore start*/ + + /*istanbul ignore end*/ + addToPath: function addToPath(path, added, removed, oldPosInc) { + var last = path.lastComponent; + + if (last && last.added === added && last.removed === removed) { + return { + oldPos: path.oldPos + oldPosInc, + lastComponent: { + count: last.count + 1, + added: added, + removed: removed, + previousComponent: last.previousComponent + } + }; + } else { + return { + oldPos: path.oldPos + oldPosInc, + lastComponent: { + count: 1, + added: added, + removed: removed, + previousComponent: last + } + }; + } + }, + + /*istanbul ignore start*/ + + /*istanbul ignore end*/ + extractCommon: function extractCommon(basePath, newString, oldString, diagonalPath) { + var newLen = newString.length, + oldLen = oldString.length, + oldPos = basePath.oldPos, + newPos = oldPos - diagonalPath, + commonCount = 0; + + while (newPos + 1 < newLen && oldPos + 1 < oldLen && this.equals(newString[newPos + 1], oldString[oldPos + 1])) { + newPos++; + oldPos++; + commonCount++; + } + + if (commonCount) { + basePath.lastComponent = { + count: commonCount, + previousComponent: basePath.lastComponent + }; + } + + basePath.oldPos = oldPos; + return newPos; + }, + + /*istanbul ignore start*/ + + /*istanbul ignore end*/ + equals: function equals(left, right) { + if (this.options.comparator) { + return this.options.comparator(left, right); + } else { + return left === right || this.options.ignoreCase && left.toLowerCase() === right.toLowerCase(); + } + }, + + /*istanbul ignore start*/ + + /*istanbul ignore end*/ + removeEmpty: function removeEmpty(array) { + var ret = []; + + for (var i = 0; i < array.length; i++) { + if (array[i]) { + ret.push(array[i]); + } + } + + return ret; + }, + + /*istanbul ignore start*/ + + /*istanbul ignore end*/ + castInput: function castInput(value) { + return value; + }, + + /*istanbul ignore start*/ + + /*istanbul ignore end*/ + tokenize: function tokenize(value) { + return value.split(''); + }, + + /*istanbul ignore start*/ + + /*istanbul ignore end*/ + join: function join(chars) { + return chars.join(''); + } + }; + + function buildValues(diff, lastComponent, newString, oldString, useLongestToken) { + // First we convert our linked list of components in reverse order to an + // array in the right order: + var components = []; + var nextComponent; + + while (lastComponent) { + components.push(lastComponent); + nextComponent = lastComponent.previousComponent; + delete lastComponent.previousComponent; + lastComponent = nextComponent; + } + + components.reverse(); + var componentPos = 0, + componentLen = components.length, + newPos = 0, + oldPos = 0; + + for (; componentPos < componentLen; componentPos++) { + var component = components[componentPos]; + + if (!component.removed) { + if (!component.added && useLongestToken) { + var value = newString.slice(newPos, newPos + component.count); + value = value.map(function (value, i) { + var oldValue = oldString[oldPos + i]; + return oldValue.length > value.length ? oldValue : value; + }); + component.value = diff.join(value); + } else { + component.value = diff.join(newString.slice(newPos, newPos + component.count)); + } + + newPos += component.count; // Common case + + if (!component.added) { + oldPos += component.count; + } + } else { + component.value = diff.join(oldString.slice(oldPos, oldPos + component.count)); + oldPos += component.count; // Reverse add and remove so removes are output first to match common convention + // The diffing algorithm is tied to add then remove output and this is the simplest + // route to get the desired output with minimal overhead. + + if (componentPos && components[componentPos - 1].added) { + var tmp = components[componentPos - 1]; + components[componentPos - 1] = components[componentPos]; + components[componentPos] = tmp; + } + } + } // Special case handle for when one terminal is ignored (i.e. whitespace). + // For this case we merge the terminal into the prior string and drop the change. + // This is only available for string mode. + + + var finalComponent = components[componentLen - 1]; + + if (componentLen > 1 && typeof finalComponent.value === 'string' && (finalComponent.added || finalComponent.removed) && diff.equals('', finalComponent.value)) { + components[componentLen - 2].value += finalComponent.value; + components.pop(); + } + + return components; + } + + }(base)); + + var character = {}; + + /*istanbul ignore start*/ + + Object.defineProperty(character, "__esModule", { + value: true + }); + character.diffChars = diffChars; + character.characterDiff = void 0; + + /*istanbul ignore end*/ + var + /*istanbul ignore start*/ + _base$6 = _interopRequireDefault$7(base) + /*istanbul ignore end*/ + ; + + /*istanbul ignore start*/ function _interopRequireDefault$7(obj) { return obj && obj.__esModule ? obj : { "default": obj }; } + + /*istanbul ignore end*/ + var characterDiff = new + /*istanbul ignore start*/ + _base$6 + /*istanbul ignore end*/ + [ + /*istanbul ignore start*/ + "default" + /*istanbul ignore end*/ + ](); + + /*istanbul ignore start*/ + character.characterDiff = characterDiff; + + /*istanbul ignore end*/ + function diffChars(oldStr, newStr, options) { + return characterDiff.diff(oldStr, newStr, options); + } + + var word = {}; + + var params = {}; + + /*istanbul ignore start*/ + + Object.defineProperty(params, "__esModule", { + value: true + }); + params.generateOptions = generateOptions; + + /*istanbul ignore end*/ + function generateOptions(options, defaults) { + if (typeof options === 'function') { + defaults.callback = options; + } else if (options) { + for (var name in options) { + /* istanbul ignore else */ + if (options.hasOwnProperty(name)) { + defaults[name] = options[name]; + } + } + } + + return defaults; + } + + /*istanbul ignore start*/ + + Object.defineProperty(word, "__esModule", { + value: true + }); + word.diffWords = diffWords; + word.diffWordsWithSpace = diffWordsWithSpace; + word.wordDiff = void 0; + + /*istanbul ignore end*/ + var + /*istanbul ignore start*/ + _base$5 = _interopRequireDefault$6(base) + /*istanbul ignore end*/ + ; + + var + /*istanbul ignore start*/ + _params$1 = params + /*istanbul ignore end*/ + ; + + /*istanbul ignore start*/ function _interopRequireDefault$6(obj) { return obj && obj.__esModule ? obj : { "default": obj }; } + + /*istanbul ignore end*/ + // Based on https://en.wikipedia.org/wiki/Latin_script_in_Unicode + // + // Ranges and exceptions: + // Latin-1 Supplement, 0080–00FF + // - U+00D7 × Multiplication sign + // - U+00F7 ÷ Division sign + // Latin Extended-A, 0100–017F + // Latin Extended-B, 0180–024F + // IPA Extensions, 0250–02AF + // Spacing Modifier Letters, 02B0–02FF + // - U+02C7 ˇ ˇ Caron + // - U+02D8 ˘ ˘ Breve + // - U+02D9 ˙ ˙ Dot Above + // - U+02DA ˚ ˚ Ring Above + // - U+02DB ˛ ˛ Ogonek + // - U+02DC ˜ ˜ Small Tilde + // - U+02DD ˝ ˝ Double Acute Accent + // Latin Extended Additional, 1E00–1EFF + var extendedWordChars = /^[A-Za-z\xC0-\u02C6\u02C8-\u02D7\u02DE-\u02FF\u1E00-\u1EFF]+$/; + var reWhitespace = /\S/; + var wordDiff = new + /*istanbul ignore start*/ + _base$5 + /*istanbul ignore end*/ + [ + /*istanbul ignore start*/ + "default" + /*istanbul ignore end*/ + ](); + + /*istanbul ignore start*/ + word.wordDiff = wordDiff; + + /*istanbul ignore end*/ + wordDiff.equals = function (left, right) { + if (this.options.ignoreCase) { + left = left.toLowerCase(); + right = right.toLowerCase(); + } + + return left === right || this.options.ignoreWhitespace && !reWhitespace.test(left) && !reWhitespace.test(right); + }; + + wordDiff.tokenize = function (value) { + // All whitespace symbols except newline group into one token, each newline - in separate token + var tokens = value.split(/([^\S\r\n]+|[()[\]{}'"\r\n]|\b)/); // Join the boundary splits that we do not consider to be boundaries. This is primarily the extended Latin character set. + + for (var i = 0; i < tokens.length - 1; i++) { + // If we have an empty string in the next field and we have only word chars before and after, merge + if (!tokens[i + 1] && tokens[i + 2] && extendedWordChars.test(tokens[i]) && extendedWordChars.test(tokens[i + 2])) { + tokens[i] += tokens[i + 2]; + tokens.splice(i + 1, 2); + i--; + } + } + + return tokens; + }; + + function diffWords(oldStr, newStr, options) { + options = + /*istanbul ignore start*/ + (/*istanbul ignore end*/ + + /*istanbul ignore start*/ + 0, _params$1 + /*istanbul ignore end*/ + . + /*istanbul ignore start*/ + generateOptions) + /*istanbul ignore end*/ + (options, { + ignoreWhitespace: true + }); + return wordDiff.diff(oldStr, newStr, options); + } + + function diffWordsWithSpace(oldStr, newStr, options) { + return wordDiff.diff(oldStr, newStr, options); + } + + var line = {}; + + /*istanbul ignore start*/ + + Object.defineProperty(line, "__esModule", { + value: true + }); + line.diffLines = diffLines; + line.diffTrimmedLines = diffTrimmedLines; + line.lineDiff = void 0; + + /*istanbul ignore end*/ + var + /*istanbul ignore start*/ + _base$4 = _interopRequireDefault$5(base) + /*istanbul ignore end*/ + ; + + var + /*istanbul ignore start*/ + _params = params + /*istanbul ignore end*/ + ; + + /*istanbul ignore start*/ function _interopRequireDefault$5(obj) { return obj && obj.__esModule ? obj : { "default": obj }; } + + /*istanbul ignore end*/ + var lineDiff = new + /*istanbul ignore start*/ + _base$4 + /*istanbul ignore end*/ + [ + /*istanbul ignore start*/ + "default" + /*istanbul ignore end*/ + ](); + + /*istanbul ignore start*/ + line.lineDiff = lineDiff; + + /*istanbul ignore end*/ + lineDiff.tokenize = function (value) { + if (this.options.stripTrailingCr) { + // remove one \r before \n to match GNU diff's --strip-trailing-cr behavior + value = value.replace(/\r\n/g, '\n'); + } + + var retLines = [], + linesAndNewlines = value.split(/(\n|\r\n)/); // Ignore the final empty token that occurs if the string ends with a new line + + if (!linesAndNewlines[linesAndNewlines.length - 1]) { + linesAndNewlines.pop(); + } // Merge the content and line separators into single tokens + + + for (var i = 0; i < linesAndNewlines.length; i++) { + var line = linesAndNewlines[i]; + + if (i % 2 && !this.options.newlineIsToken) { + retLines[retLines.length - 1] += line; + } else { + if (this.options.ignoreWhitespace) { + line = line.trim(); + } + + retLines.push(line); + } + } + + return retLines; + }; + + function diffLines(oldStr, newStr, callback) { + return lineDiff.diff(oldStr, newStr, callback); + } + + function diffTrimmedLines(oldStr, newStr, callback) { + var options = + /*istanbul ignore start*/ + (/*istanbul ignore end*/ + + /*istanbul ignore start*/ + 0, _params + /*istanbul ignore end*/ + . + /*istanbul ignore start*/ + generateOptions) + /*istanbul ignore end*/ + (callback, { + ignoreWhitespace: true + }); + return lineDiff.diff(oldStr, newStr, options); + } + + var sentence = {}; + + /*istanbul ignore start*/ + + Object.defineProperty(sentence, "__esModule", { + value: true + }); + sentence.diffSentences = diffSentences; + sentence.sentenceDiff = void 0; + + /*istanbul ignore end*/ + var + /*istanbul ignore start*/ + _base$3 = _interopRequireDefault$4(base) + /*istanbul ignore end*/ + ; + + /*istanbul ignore start*/ function _interopRequireDefault$4(obj) { return obj && obj.__esModule ? obj : { "default": obj }; } + + /*istanbul ignore end*/ + var sentenceDiff = new + /*istanbul ignore start*/ + _base$3 + /*istanbul ignore end*/ + [ + /*istanbul ignore start*/ + "default" + /*istanbul ignore end*/ + ](); + + /*istanbul ignore start*/ + sentence.sentenceDiff = sentenceDiff; + + /*istanbul ignore end*/ + sentenceDiff.tokenize = function (value) { + return value.split(/(\S.+?[.!?])(?=\s+|$)/); + }; + + function diffSentences(oldStr, newStr, callback) { + return sentenceDiff.diff(oldStr, newStr, callback); + } + + var css = {}; + + /*istanbul ignore start*/ + + Object.defineProperty(css, "__esModule", { + value: true + }); + css.diffCss = diffCss; + css.cssDiff = void 0; + + /*istanbul ignore end*/ + var + /*istanbul ignore start*/ + _base$2 = _interopRequireDefault$3(base) + /*istanbul ignore end*/ + ; + + /*istanbul ignore start*/ function _interopRequireDefault$3(obj) { return obj && obj.__esModule ? obj : { "default": obj }; } + + /*istanbul ignore end*/ + var cssDiff = new + /*istanbul ignore start*/ + _base$2 + /*istanbul ignore end*/ + [ + /*istanbul ignore start*/ + "default" + /*istanbul ignore end*/ + ](); + + /*istanbul ignore start*/ + css.cssDiff = cssDiff; + + /*istanbul ignore end*/ + cssDiff.tokenize = function (value) { + return value.split(/([{}:;,]|\s+)/); + }; + + function diffCss(oldStr, newStr, callback) { + return cssDiff.diff(oldStr, newStr, callback); + } + + var json$1 = {}; + + /*istanbul ignore start*/ + + Object.defineProperty(json$1, "__esModule", { + value: true + }); + json$1.diffJson = diffJson; + json$1.canonicalize = canonicalize; + json$1.jsonDiff = void 0; + + /*istanbul ignore end*/ + var + /*istanbul ignore start*/ + _base$1 = _interopRequireDefault$2(base) + /*istanbul ignore end*/ + ; + + var + /*istanbul ignore start*/ + _line$1 = line + /*istanbul ignore end*/ + ; + + /*istanbul ignore start*/ function _interopRequireDefault$2(obj) { return obj && obj.__esModule ? obj : { "default": obj }; } + + function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } + + /*istanbul ignore end*/ + var objectPrototypeToString = Object.prototype.toString; + var jsonDiff = new + /*istanbul ignore start*/ + _base$1 + /*istanbul ignore end*/ + [ + /*istanbul ignore start*/ + "default" + /*istanbul ignore end*/ + ](); // Discriminate between two lines of pretty-printed, serialized JSON where one of them has a + // dangling comma and the other doesn't. Turns out including the dangling comma yields the nicest output: + + /*istanbul ignore start*/ + json$1.jsonDiff = jsonDiff; + + /*istanbul ignore end*/ + jsonDiff.useLongestToken = true; + jsonDiff.tokenize = + /*istanbul ignore start*/ + _line$1 + /*istanbul ignore end*/ + . + /*istanbul ignore start*/ + lineDiff + /*istanbul ignore end*/ + .tokenize; + + jsonDiff.castInput = function (value) { + /*istanbul ignore start*/ + var _this$options = + /*istanbul ignore end*/ + this.options, + undefinedReplacement = _this$options.undefinedReplacement, + _this$options$stringi = _this$options.stringifyReplacer, + stringifyReplacer = _this$options$stringi === void 0 ? function (k, v) + /*istanbul ignore start*/ + { + return ( + /*istanbul ignore end*/ + typeof v === 'undefined' ? undefinedReplacement : v + ); + } : _this$options$stringi; + return typeof value === 'string' ? value : JSON.stringify(canonicalize(value, null, null, stringifyReplacer), stringifyReplacer, ' '); + }; + + jsonDiff.equals = function (left, right) { + return ( + /*istanbul ignore start*/ + _base$1 + /*istanbul ignore end*/ + [ + /*istanbul ignore start*/ + "default" + /*istanbul ignore end*/ + ].prototype.equals.call(jsonDiff, left.replace(/,([\r\n])/g, '$1'), right.replace(/,([\r\n])/g, '$1')) + ); + }; + + function diffJson(oldObj, newObj, options) { + return jsonDiff.diff(oldObj, newObj, options); + } // This function handles the presence of circular references by bailing out when encountering an + // object that is already on the "stack" of items being processed. Accepts an optional replacer + + + function canonicalize(obj, stack, replacementStack, replacer, key) { + stack = stack || []; + replacementStack = replacementStack || []; + + if (replacer) { + obj = replacer(key, obj); + } + + var i; + + for (i = 0; i < stack.length; i += 1) { + if (stack[i] === obj) { + return replacementStack[i]; + } + } + + var canonicalizedObj; + + if ('[object Array]' === objectPrototypeToString.call(obj)) { + stack.push(obj); + canonicalizedObj = new Array(obj.length); + replacementStack.push(canonicalizedObj); + + for (i = 0; i < obj.length; i += 1) { + canonicalizedObj[i] = canonicalize(obj[i], stack, replacementStack, replacer, key); + } + + stack.pop(); + replacementStack.pop(); + return canonicalizedObj; + } + + if (obj && obj.toJSON) { + obj = obj.toJSON(); + } + + if ( + /*istanbul ignore start*/ + _typeof( + /*istanbul ignore end*/ + obj) === 'object' && obj !== null) { + stack.push(obj); + canonicalizedObj = {}; + replacementStack.push(canonicalizedObj); + + var sortedKeys = [], + _key; + + for (_key in obj) { + /* istanbul ignore else */ + if (obj.hasOwnProperty(_key)) { + sortedKeys.push(_key); + } + } + + sortedKeys.sort(); + + for (i = 0; i < sortedKeys.length; i += 1) { + _key = sortedKeys[i]; + canonicalizedObj[_key] = canonicalize(obj[_key], stack, replacementStack, replacer, _key); + } + + stack.pop(); + replacementStack.pop(); + } else { + canonicalizedObj = obj; + } + + return canonicalizedObj; + } + + var array$1 = {}; + + /*istanbul ignore start*/ + + Object.defineProperty(array$1, "__esModule", { + value: true + }); + array$1.diffArrays = diffArrays; + array$1.arrayDiff = void 0; + + /*istanbul ignore end*/ + var + /*istanbul ignore start*/ + _base = _interopRequireDefault$1(base) + /*istanbul ignore end*/ + ; + + /*istanbul ignore start*/ function _interopRequireDefault$1(obj) { return obj && obj.__esModule ? obj : { "default": obj }; } + + /*istanbul ignore end*/ + var arrayDiff = new + /*istanbul ignore start*/ + _base + /*istanbul ignore end*/ + [ + /*istanbul ignore start*/ + "default" + /*istanbul ignore end*/ + ](); + + /*istanbul ignore start*/ + array$1.arrayDiff = arrayDiff; + + /*istanbul ignore end*/ + arrayDiff.tokenize = function (value) { + return value.slice(); + }; + + arrayDiff.join = arrayDiff.removeEmpty = function (value) { + return value; + }; + + function diffArrays(oldArr, newArr, callback) { + return arrayDiff.diff(oldArr, newArr, callback); + } + + var apply = {}; + + var parse$2 = {}; + + /*istanbul ignore start*/ + + Object.defineProperty(parse$2, "__esModule", { + value: true + }); + parse$2.parsePatch = parsePatch; + + /*istanbul ignore end*/ + function parsePatch(uniDiff) { + /*istanbul ignore start*/ + var + /*istanbul ignore end*/ + options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; + var diffstr = uniDiff.split(/\r\n|[\n\v\f\r\x85]/), + delimiters = uniDiff.match(/\r\n|[\n\v\f\r\x85]/g) || [], + list = [], + i = 0; + + function parseIndex() { + var index = {}; + list.push(index); // Parse diff metadata + + while (i < diffstr.length) { + var line = diffstr[i]; // File header found, end parsing diff metadata + + if (/^(\-\-\-|\+\+\+|@@)\s/.test(line)) { + break; + } // Diff index + + + var header = /^(?:Index:|diff(?: -r \w+)+)\s+(.+?)\s*$/.exec(line); + + if (header) { + index.index = header[1]; + } + + i++; + } // Parse file headers if they are defined. Unified diff requires them, but + // there's no technical issues to have an isolated hunk without file header + + + parseFileHeader(index); + parseFileHeader(index); // Parse hunks + + index.hunks = []; + + while (i < diffstr.length) { + var _line = diffstr[i]; + + if (/^(Index:|diff|\-\-\-|\+\+\+)\s/.test(_line)) { + break; + } else if (/^@@/.test(_line)) { + index.hunks.push(parseHunk()); + } else if (_line && options.strict) { + // Ignore unexpected content unless in strict mode + throw new Error('Unknown line ' + (i + 1) + ' ' + JSON.stringify(_line)); + } else { + i++; + } + } + } // Parses the --- and +++ headers, if none are found, no lines + // are consumed. + + + function parseFileHeader(index) { + var fileHeader = /^(---|\+\+\+)\s+(.*)$/.exec(diffstr[i]); + + if (fileHeader) { + var keyPrefix = fileHeader[1] === '---' ? 'old' : 'new'; + var data = fileHeader[2].split('\t', 2); + var fileName = data[0].replace(/\\\\/g, '\\'); + + if (/^".*"$/.test(fileName)) { + fileName = fileName.substr(1, fileName.length - 2); + } + + index[keyPrefix + 'FileName'] = fileName; + index[keyPrefix + 'Header'] = (data[1] || '').trim(); + i++; + } + } // Parses a hunk + // This assumes that we are at the start of a hunk. + + + function parseHunk() { + var chunkHeaderIndex = i, + chunkHeaderLine = diffstr[i++], + chunkHeader = chunkHeaderLine.split(/@@ -(\d+)(?:,(\d+))? \+(\d+)(?:,(\d+))? @@/); + var hunk = { + oldStart: +chunkHeader[1], + oldLines: typeof chunkHeader[2] === 'undefined' ? 1 : +chunkHeader[2], + newStart: +chunkHeader[3], + newLines: typeof chunkHeader[4] === 'undefined' ? 1 : +chunkHeader[4], + lines: [], + linedelimiters: [] + }; // Unified Diff Format quirk: If the chunk size is 0, + // the first number is one lower than one would expect. + // https://www.artima.com/weblogs/viewpost.jsp?thread=164293 + + if (hunk.oldLines === 0) { + hunk.oldStart += 1; + } + + if (hunk.newLines === 0) { + hunk.newStart += 1; + } + + var addCount = 0, + removeCount = 0; + + for (; i < diffstr.length; i++) { + // Lines starting with '---' could be mistaken for the "remove line" operation + // But they could be the header for the next file. Therefore prune such cases out. + if (diffstr[i].indexOf('--- ') === 0 && i + 2 < diffstr.length && diffstr[i + 1].indexOf('+++ ') === 0 && diffstr[i + 2].indexOf('@@') === 0) { + break; + } + + var operation = diffstr[i].length == 0 && i != diffstr.length - 1 ? ' ' : diffstr[i][0]; + + if (operation === '+' || operation === '-' || operation === ' ' || operation === '\\') { + hunk.lines.push(diffstr[i]); + hunk.linedelimiters.push(delimiters[i] || '\n'); + + if (operation === '+') { + addCount++; + } else if (operation === '-') { + removeCount++; + } else if (operation === ' ') { + addCount++; + removeCount++; + } + } else { + break; + } + } // Handle the empty block count case + + + if (!addCount && hunk.newLines === 1) { + hunk.newLines = 0; + } + + if (!removeCount && hunk.oldLines === 1) { + hunk.oldLines = 0; + } // Perform optional sanity checking + + + if (options.strict) { + if (addCount !== hunk.newLines) { + throw new Error('Added line count did not match for hunk at line ' + (chunkHeaderIndex + 1)); + } + + if (removeCount !== hunk.oldLines) { + throw new Error('Removed line count did not match for hunk at line ' + (chunkHeaderIndex + 1)); + } + } + + return hunk; + } + + while (i < diffstr.length) { + parseIndex(); + } + + return list; + } + + var distanceIterator = {}; + + /*istanbul ignore start*/ + + (function (exports) { + + Object.defineProperty(exports, "__esModule", { + value: true + }); + exports["default"] = _default; + + /*istanbul ignore end*/ + // Iterator that traverses in the range of [min, max], stepping + // by distance from a given start position. I.e. for [0, 4], with + // start of 2, this will iterate 2, 3, 1, 4, 0. + function + /*istanbul ignore start*/ + _default + /*istanbul ignore end*/ + (start, minLine, maxLine) { + var wantForward = true, + backwardExhausted = false, + forwardExhausted = false, + localOffset = 1; + return function iterator() { + if (wantForward && !forwardExhausted) { + if (backwardExhausted) { + localOffset++; + } else { + wantForward = false; + } // Check if trying to fit beyond text length, and if not, check it fits + // after offset location (or desired location on first iteration) + + + if (start + localOffset <= maxLine) { + return localOffset; + } + + forwardExhausted = true; + } + + if (!backwardExhausted) { + if (!forwardExhausted) { + wantForward = true; + } // Check if trying to fit before text beginning, and if not, check it fits + // before offset location + + + if (minLine <= start - localOffset) { + return -localOffset++; + } + + backwardExhausted = true; + return iterator(); + } // We tried to fit hunk before text beginning and beyond text length, then + // hunk can't fit on the text. Return undefined + + }; + } + + }(distanceIterator)); + + /*istanbul ignore start*/ + + Object.defineProperty(apply, "__esModule", { + value: true + }); + apply.applyPatch = applyPatch; + apply.applyPatches = applyPatches; + + /*istanbul ignore end*/ + var + /*istanbul ignore start*/ + _parse$1 = parse$2 + /*istanbul ignore end*/ + ; + + var + /*istanbul ignore start*/ + _distanceIterator = _interopRequireDefault(distanceIterator) + /*istanbul ignore end*/ + ; + + /*istanbul ignore start*/ function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; } + + /*istanbul ignore end*/ + function applyPatch(source, uniDiff) { + /*istanbul ignore start*/ + var + /*istanbul ignore end*/ + options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {}; + + if (typeof uniDiff === 'string') { + uniDiff = + /*istanbul ignore start*/ + (/*istanbul ignore end*/ + + /*istanbul ignore start*/ + 0, _parse$1 + /*istanbul ignore end*/ + . + /*istanbul ignore start*/ + parsePatch) + /*istanbul ignore end*/ + (uniDiff); + } + + if (Array.isArray(uniDiff)) { + if (uniDiff.length > 1) { + throw new Error('applyPatch only works with a single input.'); + } + + uniDiff = uniDiff[0]; + } // Apply the diff to the input + + + var lines = source.split(/\r\n|[\n\v\f\r\x85]/), + delimiters = source.match(/\r\n|[\n\v\f\r\x85]/g) || [], + hunks = uniDiff.hunks, + compareLine = options.compareLine || function (lineNumber, line, operation, patchContent) + /*istanbul ignore start*/ + { + return ( + /*istanbul ignore end*/ + line === patchContent + ); + }, + errorCount = 0, + fuzzFactor = options.fuzzFactor || 0, + minLine = 0, + offset = 0, + removeEOFNL, + addEOFNL; + /** + * Checks if the hunk exactly fits on the provided location + */ + + + function hunkFits(hunk, toPos) { + for (var j = 0; j < hunk.lines.length; j++) { + var line = hunk.lines[j], + operation = line.length > 0 ? line[0] : ' ', + content = line.length > 0 ? line.substr(1) : line; + + if (operation === ' ' || operation === '-') { + // Context sanity check + if (!compareLine(toPos + 1, lines[toPos], operation, content)) { + errorCount++; + + if (errorCount > fuzzFactor) { + return false; + } + } + + toPos++; + } + } + + return true; + } // Search best fit offsets for each hunk based on the previous ones + + + for (var i = 0; i < hunks.length; i++) { + var hunk = hunks[i], + maxLine = lines.length - hunk.oldLines, + localOffset = 0, + toPos = offset + hunk.oldStart - 1; + var iterator = + /*istanbul ignore start*/ + (/*istanbul ignore end*/ + + /*istanbul ignore start*/ + 0, _distanceIterator + /*istanbul ignore end*/ + [ + /*istanbul ignore start*/ + "default" + /*istanbul ignore end*/ + ])(toPos, minLine, maxLine); + + for (; localOffset !== undefined; localOffset = iterator()) { + if (hunkFits(hunk, toPos + localOffset)) { + hunk.offset = offset += localOffset; + break; + } + } + + if (localOffset === undefined) { + return false; + } // Set lower text limit to end of the current hunk, so next ones don't try + // to fit over already patched text + + + minLine = hunk.offset + hunk.oldStart + hunk.oldLines; + } // Apply patch hunks + + + var diffOffset = 0; + + for (var _i = 0; _i < hunks.length; _i++) { + var _hunk = hunks[_i], + _toPos = _hunk.oldStart + _hunk.offset + diffOffset - 1; + + diffOffset += _hunk.newLines - _hunk.oldLines; + + for (var j = 0; j < _hunk.lines.length; j++) { + var line = _hunk.lines[j], + operation = line.length > 0 ? line[0] : ' ', + content = line.length > 0 ? line.substr(1) : line, + delimiter = _hunk.linedelimiters && _hunk.linedelimiters[j] || '\n'; + + if (operation === ' ') { + _toPos++; + } else if (operation === '-') { + lines.splice(_toPos, 1); + delimiters.splice(_toPos, 1); + /* istanbul ignore else */ + } else if (operation === '+') { + lines.splice(_toPos, 0, content); + delimiters.splice(_toPos, 0, delimiter); + _toPos++; + } else if (operation === '\\') { + var previousOperation = _hunk.lines[j - 1] ? _hunk.lines[j - 1][0] : null; + + if (previousOperation === '+') { + removeEOFNL = true; + } else if (previousOperation === '-') { + addEOFNL = true; + } + } + } + } // Handle EOFNL insertion/removal + + + if (removeEOFNL) { + while (!lines[lines.length - 1]) { + lines.pop(); + delimiters.pop(); + } + } else if (addEOFNL) { + lines.push(''); + delimiters.push('\n'); + } + + for (var _k = 0; _k < lines.length - 1; _k++) { + lines[_k] = lines[_k] + delimiters[_k]; + } + + return lines.join(''); + } // Wrapper that supports multiple file patches via callbacks. + + + function applyPatches(uniDiff, options) { + if (typeof uniDiff === 'string') { + uniDiff = + /*istanbul ignore start*/ + (/*istanbul ignore end*/ + + /*istanbul ignore start*/ + 0, _parse$1 + /*istanbul ignore end*/ + . + /*istanbul ignore start*/ + parsePatch) + /*istanbul ignore end*/ + (uniDiff); + } + + var currentIndex = 0; + + function processIndex() { + var index = uniDiff[currentIndex++]; + + if (!index) { + return options.complete(); + } + + options.loadFile(index, function (err, data) { + if (err) { + return options.complete(err); + } + + var updatedContent = applyPatch(data, index, options); + options.patched(index, updatedContent, function (err) { + if (err) { + return options.complete(err); + } + + processIndex(); + }); + }); + } + + processIndex(); + } + + var merge$1 = {}; + + var create = {}; + + /*istanbul ignore start*/ + + Object.defineProperty(create, "__esModule", { + value: true + }); + create.structuredPatch = structuredPatch; + create.formatPatch = formatPatch; + create.createTwoFilesPatch = createTwoFilesPatch; + create.createPatch = createPatch; + + /*istanbul ignore end*/ + var + /*istanbul ignore start*/ + _line = line + /*istanbul ignore end*/ + ; + + /*istanbul ignore start*/ function _toConsumableArray$1(arr) { return _arrayWithoutHoles$1(arr) || _iterableToArray$1(arr) || _unsupportedIterableToArray$1(arr) || _nonIterableSpread$1(); } + + function _nonIterableSpread$1() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } + + function _unsupportedIterableToArray$1(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray$1(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray$1(o, minLen); } + + function _iterableToArray$1(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); } + + function _arrayWithoutHoles$1(arr) { if (Array.isArray(arr)) return _arrayLikeToArray$1(arr); } + + function _arrayLikeToArray$1(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; } + + /*istanbul ignore end*/ + function structuredPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options) { + if (!options) { + options = {}; + } + + if (typeof options.context === 'undefined') { + options.context = 4; + } + + var diff = + /*istanbul ignore start*/ + (/*istanbul ignore end*/ + + /*istanbul ignore start*/ + 0, _line + /*istanbul ignore end*/ + . + /*istanbul ignore start*/ + diffLines) + /*istanbul ignore end*/ + (oldStr, newStr, options); + + if (!diff) { + return; + } + + diff.push({ + value: '', + lines: [] + }); // Append an empty value to make cleanup easier + + function contextLines(lines) { + return lines.map(function (entry) { + return ' ' + entry; + }); + } + + var hunks = []; + var oldRangeStart = 0, + newRangeStart = 0, + curRange = [], + oldLine = 1, + newLine = 1; + + /*istanbul ignore start*/ + var _loop = function _loop( + /*istanbul ignore end*/ + i) { + var current = diff[i], + lines = current.lines || current.value.replace(/\n$/, '').split('\n'); + current.lines = lines; + + if (current.added || current.removed) { + /*istanbul ignore start*/ + var _curRange; + + /*istanbul ignore end*/ + // If we have previous context, start with that + if (!oldRangeStart) { + var prev = diff[i - 1]; + oldRangeStart = oldLine; + newRangeStart = newLine; + + if (prev) { + curRange = options.context > 0 ? contextLines(prev.lines.slice(-options.context)) : []; + oldRangeStart -= curRange.length; + newRangeStart -= curRange.length; + } + } // Output our changes + + + /*istanbul ignore start*/ + + /*istanbul ignore end*/ + + /*istanbul ignore start*/ + (_curRange = + /*istanbul ignore end*/ + curRange).push.apply( + /*istanbul ignore start*/ + _curRange + /*istanbul ignore end*/ + , + /*istanbul ignore start*/ + _toConsumableArray$1( + /*istanbul ignore end*/ + lines.map(function (entry) { + return (current.added ? '+' : '-') + entry; + }))); // Track the updated file position + + + if (current.added) { + newLine += lines.length; + } else { + oldLine += lines.length; + } + } else { + // Identical context lines. Track line changes + if (oldRangeStart) { + // Close out any changes that have been output (or join overlapping) + if (lines.length <= options.context * 2 && i < diff.length - 2) { + /*istanbul ignore start*/ + var _curRange2; + + /*istanbul ignore end*/ + // Overlapping + + /*istanbul ignore start*/ + + /*istanbul ignore end*/ + + /*istanbul ignore start*/ + (_curRange2 = + /*istanbul ignore end*/ + curRange).push.apply( + /*istanbul ignore start*/ + _curRange2 + /*istanbul ignore end*/ + , + /*istanbul ignore start*/ + _toConsumableArray$1( + /*istanbul ignore end*/ + contextLines(lines))); + } else { + /*istanbul ignore start*/ + var _curRange3; + + /*istanbul ignore end*/ + // end the range and output + var contextSize = Math.min(lines.length, options.context); + + /*istanbul ignore start*/ + + /*istanbul ignore end*/ + + /*istanbul ignore start*/ + (_curRange3 = + /*istanbul ignore end*/ + curRange).push.apply( + /*istanbul ignore start*/ + _curRange3 + /*istanbul ignore end*/ + , + /*istanbul ignore start*/ + _toConsumableArray$1( + /*istanbul ignore end*/ + contextLines(lines.slice(0, contextSize)))); + + var hunk = { + oldStart: oldRangeStart, + oldLines: oldLine - oldRangeStart + contextSize, + newStart: newRangeStart, + newLines: newLine - newRangeStart + contextSize, + lines: curRange + }; + + if (i >= diff.length - 2 && lines.length <= options.context) { + // EOF is inside this hunk + var oldEOFNewline = /\n$/.test(oldStr); + var newEOFNewline = /\n$/.test(newStr); + var noNlBeforeAdds = lines.length == 0 && curRange.length > hunk.oldLines; + + if (!oldEOFNewline && noNlBeforeAdds && oldStr.length > 0) { + // special case: old has no eol and no trailing context; no-nl can end up before adds + // however, if the old file is empty, do not output the no-nl line + curRange.splice(hunk.oldLines, 0, '\\ No newline at end of file'); + } + + if (!oldEOFNewline && !noNlBeforeAdds || !newEOFNewline) { + curRange.push('\\ No newline at end of file'); + } + } + + hunks.push(hunk); + oldRangeStart = 0; + newRangeStart = 0; + curRange = []; + } + } + + oldLine += lines.length; + newLine += lines.length; + } + }; + + for (var i = 0; i < diff.length; i++) { + /*istanbul ignore start*/ + _loop( + /*istanbul ignore end*/ + i); + } + + return { + oldFileName: oldFileName, + newFileName: newFileName, + oldHeader: oldHeader, + newHeader: newHeader, + hunks: hunks + }; + } + + function formatPatch(diff) { + if (Array.isArray(diff)) { + return diff.map(formatPatch).join('\n'); + } + + var ret = []; + + if (diff.oldFileName == diff.newFileName) { + ret.push('Index: ' + diff.oldFileName); + } + + ret.push('==================================================================='); + ret.push('--- ' + diff.oldFileName + (typeof diff.oldHeader === 'undefined' ? '' : '\t' + diff.oldHeader)); + ret.push('+++ ' + diff.newFileName + (typeof diff.newHeader === 'undefined' ? '' : '\t' + diff.newHeader)); + + for (var i = 0; i < diff.hunks.length; i++) { + var hunk = diff.hunks[i]; // Unified Diff Format quirk: If the chunk size is 0, + // the first number is one lower than one would expect. + // https://www.artima.com/weblogs/viewpost.jsp?thread=164293 + + if (hunk.oldLines === 0) { + hunk.oldStart -= 1; + } + + if (hunk.newLines === 0) { + hunk.newStart -= 1; + } + + ret.push('@@ -' + hunk.oldStart + ',' + hunk.oldLines + ' +' + hunk.newStart + ',' + hunk.newLines + ' @@'); + ret.push.apply(ret, hunk.lines); + } + + return ret.join('\n') + '\n'; + } + + function createTwoFilesPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options) { + return formatPatch(structuredPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options)); + } + + function createPatch(fileName, oldStr, newStr, oldHeader, newHeader, options) { + return createTwoFilesPatch(fileName, fileName, oldStr, newStr, oldHeader, newHeader, options); + } + + var array = {}; + + /*istanbul ignore start*/ + + Object.defineProperty(array, "__esModule", { + value: true + }); + array.arrayEqual = arrayEqual; + array.arrayStartsWith = arrayStartsWith; + + /*istanbul ignore end*/ + function arrayEqual(a, b) { + if (a.length !== b.length) { + return false; + } + + return arrayStartsWith(a, b); + } + + function arrayStartsWith(array, start) { + if (start.length > array.length) { + return false; + } + + for (var i = 0; i < start.length; i++) { + if (start[i] !== array[i]) { + return false; + } + } + + return true; + } + + /*istanbul ignore start*/ + + Object.defineProperty(merge$1, "__esModule", { + value: true + }); + merge$1.calcLineCount = calcLineCount; + merge$1.merge = merge; + + /*istanbul ignore end*/ + var + /*istanbul ignore start*/ + _create = create + /*istanbul ignore end*/ + ; + + var + /*istanbul ignore start*/ + _parse = parse$2 + /*istanbul ignore end*/ + ; + + var + /*istanbul ignore start*/ + _array = array + /*istanbul ignore end*/ + ; + + /*istanbul ignore start*/ function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); } + + function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } + + function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); } + + function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); } + + function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); } + + function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; } + + /*istanbul ignore end*/ + function calcLineCount(hunk) { + /*istanbul ignore start*/ + var _calcOldNewLineCount = + /*istanbul ignore end*/ + calcOldNewLineCount(hunk.lines), + oldLines = _calcOldNewLineCount.oldLines, + newLines = _calcOldNewLineCount.newLines; + + if (oldLines !== undefined) { + hunk.oldLines = oldLines; + } else { + delete hunk.oldLines; + } + + if (newLines !== undefined) { + hunk.newLines = newLines; + } else { + delete hunk.newLines; + } + } + + function merge(mine, theirs, base) { + mine = loadPatch(mine, base); + theirs = loadPatch(theirs, base); + var ret = {}; // For index we just let it pass through as it doesn't have any necessary meaning. + // Leaving sanity checks on this to the API consumer that may know more about the + // meaning in their own context. + + if (mine.index || theirs.index) { + ret.index = mine.index || theirs.index; + } + + if (mine.newFileName || theirs.newFileName) { + if (!fileNameChanged(mine)) { + // No header or no change in ours, use theirs (and ours if theirs does not exist) + ret.oldFileName = theirs.oldFileName || mine.oldFileName; + ret.newFileName = theirs.newFileName || mine.newFileName; + ret.oldHeader = theirs.oldHeader || mine.oldHeader; + ret.newHeader = theirs.newHeader || mine.newHeader; + } else if (!fileNameChanged(theirs)) { + // No header or no change in theirs, use ours + ret.oldFileName = mine.oldFileName; + ret.newFileName = mine.newFileName; + ret.oldHeader = mine.oldHeader; + ret.newHeader = mine.newHeader; + } else { + // Both changed... figure it out + ret.oldFileName = selectField(ret, mine.oldFileName, theirs.oldFileName); + ret.newFileName = selectField(ret, mine.newFileName, theirs.newFileName); + ret.oldHeader = selectField(ret, mine.oldHeader, theirs.oldHeader); + ret.newHeader = selectField(ret, mine.newHeader, theirs.newHeader); + } + } + + ret.hunks = []; + var mineIndex = 0, + theirsIndex = 0, + mineOffset = 0, + theirsOffset = 0; + + while (mineIndex < mine.hunks.length || theirsIndex < theirs.hunks.length) { + var mineCurrent = mine.hunks[mineIndex] || { + oldStart: Infinity + }, + theirsCurrent = theirs.hunks[theirsIndex] || { + oldStart: Infinity + }; + + if (hunkBefore(mineCurrent, theirsCurrent)) { + // This patch does not overlap with any of the others, yay. + ret.hunks.push(cloneHunk(mineCurrent, mineOffset)); + mineIndex++; + theirsOffset += mineCurrent.newLines - mineCurrent.oldLines; + } else if (hunkBefore(theirsCurrent, mineCurrent)) { + // This patch does not overlap with any of the others, yay. + ret.hunks.push(cloneHunk(theirsCurrent, theirsOffset)); + theirsIndex++; + mineOffset += theirsCurrent.newLines - theirsCurrent.oldLines; + } else { + // Overlap, merge as best we can + var mergedHunk = { + oldStart: Math.min(mineCurrent.oldStart, theirsCurrent.oldStart), + oldLines: 0, + newStart: Math.min(mineCurrent.newStart + mineOffset, theirsCurrent.oldStart + theirsOffset), + newLines: 0, + lines: [] + }; + mergeLines(mergedHunk, mineCurrent.oldStart, mineCurrent.lines, theirsCurrent.oldStart, theirsCurrent.lines); + theirsIndex++; + mineIndex++; + ret.hunks.push(mergedHunk); + } + } + + return ret; + } + + function loadPatch(param, base) { + if (typeof param === 'string') { + if (/^@@/m.test(param) || /^Index:/m.test(param)) { + return ( + /*istanbul ignore start*/ + (/*istanbul ignore end*/ + + /*istanbul ignore start*/ + 0, _parse + /*istanbul ignore end*/ + . + /*istanbul ignore start*/ + parsePatch) + /*istanbul ignore end*/ + (param)[0] + ); + } + + if (!base) { + throw new Error('Must provide a base reference or pass in a patch'); + } + + return ( + /*istanbul ignore start*/ + (/*istanbul ignore end*/ + + /*istanbul ignore start*/ + 0, _create + /*istanbul ignore end*/ + . + /*istanbul ignore start*/ + structuredPatch) + /*istanbul ignore end*/ + (undefined, undefined, base, param) + ); + } + + return param; + } + + function fileNameChanged(patch) { + return patch.newFileName && patch.newFileName !== patch.oldFileName; + } + + function selectField(index, mine, theirs) { + if (mine === theirs) { + return mine; + } else { + index.conflict = true; + return { + mine: mine, + theirs: theirs + }; + } + } + + function hunkBefore(test, check) { + return test.oldStart < check.oldStart && test.oldStart + test.oldLines < check.oldStart; + } + + function cloneHunk(hunk, offset) { + return { + oldStart: hunk.oldStart, + oldLines: hunk.oldLines, + newStart: hunk.newStart + offset, + newLines: hunk.newLines, + lines: hunk.lines + }; + } + + function mergeLines(hunk, mineOffset, mineLines, theirOffset, theirLines) { + // This will generally result in a conflicted hunk, but there are cases where the context + // is the only overlap where we can successfully merge the content here. + var mine = { + offset: mineOffset, + lines: mineLines, + index: 0 + }, + their = { + offset: theirOffset, + lines: theirLines, + index: 0 + }; // Handle any leading content + + insertLeading(hunk, mine, their); + insertLeading(hunk, their, mine); // Now in the overlap content. Scan through and select the best changes from each. + + while (mine.index < mine.lines.length && their.index < their.lines.length) { + var mineCurrent = mine.lines[mine.index], + theirCurrent = their.lines[their.index]; + + if ((mineCurrent[0] === '-' || mineCurrent[0] === '+') && (theirCurrent[0] === '-' || theirCurrent[0] === '+')) { + // Both modified ... + mutualChange(hunk, mine, their); + } else if (mineCurrent[0] === '+' && theirCurrent[0] === ' ') { + /*istanbul ignore start*/ + var _hunk$lines; + + /*istanbul ignore end*/ + // Mine inserted + + /*istanbul ignore start*/ + + /*istanbul ignore end*/ + + /*istanbul ignore start*/ + (_hunk$lines = + /*istanbul ignore end*/ + hunk.lines).push.apply( + /*istanbul ignore start*/ + _hunk$lines + /*istanbul ignore end*/ + , + /*istanbul ignore start*/ + _toConsumableArray( + /*istanbul ignore end*/ + collectChange(mine))); + } else if (theirCurrent[0] === '+' && mineCurrent[0] === ' ') { + /*istanbul ignore start*/ + var _hunk$lines2; + + /*istanbul ignore end*/ + // Theirs inserted + + /*istanbul ignore start*/ + + /*istanbul ignore end*/ + + /*istanbul ignore start*/ + (_hunk$lines2 = + /*istanbul ignore end*/ + hunk.lines).push.apply( + /*istanbul ignore start*/ + _hunk$lines2 + /*istanbul ignore end*/ + , + /*istanbul ignore start*/ + _toConsumableArray( + /*istanbul ignore end*/ + collectChange(their))); + } else if (mineCurrent[0] === '-' && theirCurrent[0] === ' ') { + // Mine removed or edited + removal(hunk, mine, their); + } else if (theirCurrent[0] === '-' && mineCurrent[0] === ' ') { + // Their removed or edited + removal(hunk, their, mine, true); + } else if (mineCurrent === theirCurrent) { + // Context identity + hunk.lines.push(mineCurrent); + mine.index++; + their.index++; + } else { + // Context mismatch + conflict(hunk, collectChange(mine), collectChange(their)); + } + } // Now push anything that may be remaining + + + insertTrailing(hunk, mine); + insertTrailing(hunk, their); + calcLineCount(hunk); + } + + function mutualChange(hunk, mine, their) { + var myChanges = collectChange(mine), + theirChanges = collectChange(their); + + if (allRemoves(myChanges) && allRemoves(theirChanges)) { + // Special case for remove changes that are supersets of one another + if ( + /*istanbul ignore start*/ + (/*istanbul ignore end*/ + + /*istanbul ignore start*/ + 0, _array + /*istanbul ignore end*/ + . + /*istanbul ignore start*/ + arrayStartsWith) + /*istanbul ignore end*/ + (myChanges, theirChanges) && skipRemoveSuperset(their, myChanges, myChanges.length - theirChanges.length)) { + /*istanbul ignore start*/ + var _hunk$lines3; + + /*istanbul ignore end*/ + + /*istanbul ignore start*/ + + /*istanbul ignore end*/ + + /*istanbul ignore start*/ + (_hunk$lines3 = + /*istanbul ignore end*/ + hunk.lines).push.apply( + /*istanbul ignore start*/ + _hunk$lines3 + /*istanbul ignore end*/ + , + /*istanbul ignore start*/ + _toConsumableArray( + /*istanbul ignore end*/ + myChanges)); + + return; + } else if ( + /*istanbul ignore start*/ + (/*istanbul ignore end*/ + + /*istanbul ignore start*/ + 0, _array + /*istanbul ignore end*/ + . + /*istanbul ignore start*/ + arrayStartsWith) + /*istanbul ignore end*/ + (theirChanges, myChanges) && skipRemoveSuperset(mine, theirChanges, theirChanges.length - myChanges.length)) { + /*istanbul ignore start*/ + var _hunk$lines4; + + /*istanbul ignore end*/ + + /*istanbul ignore start*/ + + /*istanbul ignore end*/ + + /*istanbul ignore start*/ + (_hunk$lines4 = + /*istanbul ignore end*/ + hunk.lines).push.apply( + /*istanbul ignore start*/ + _hunk$lines4 + /*istanbul ignore end*/ + , + /*istanbul ignore start*/ + _toConsumableArray( + /*istanbul ignore end*/ + theirChanges)); + + return; + } + } else if ( + /*istanbul ignore start*/ + (/*istanbul ignore end*/ + + /*istanbul ignore start*/ + 0, _array + /*istanbul ignore end*/ + . + /*istanbul ignore start*/ + arrayEqual) + /*istanbul ignore end*/ + (myChanges, theirChanges)) { + /*istanbul ignore start*/ + var _hunk$lines5; + + /*istanbul ignore end*/ + + /*istanbul ignore start*/ + + /*istanbul ignore end*/ + + /*istanbul ignore start*/ + (_hunk$lines5 = + /*istanbul ignore end*/ + hunk.lines).push.apply( + /*istanbul ignore start*/ + _hunk$lines5 + /*istanbul ignore end*/ + , + /*istanbul ignore start*/ + _toConsumableArray( + /*istanbul ignore end*/ + myChanges)); + + return; + } + + conflict(hunk, myChanges, theirChanges); + } + + function removal(hunk, mine, their, swap) { + var myChanges = collectChange(mine), + theirChanges = collectContext(their, myChanges); + + if (theirChanges.merged) { + /*istanbul ignore start*/ + var _hunk$lines6; + + /*istanbul ignore end*/ + + /*istanbul ignore start*/ + + /*istanbul ignore end*/ + + /*istanbul ignore start*/ + (_hunk$lines6 = + /*istanbul ignore end*/ + hunk.lines).push.apply( + /*istanbul ignore start*/ + _hunk$lines6 + /*istanbul ignore end*/ + , + /*istanbul ignore start*/ + _toConsumableArray( + /*istanbul ignore end*/ + theirChanges.merged)); + } else { + conflict(hunk, swap ? theirChanges : myChanges, swap ? myChanges : theirChanges); + } + } + + function conflict(hunk, mine, their) { + hunk.conflict = true; + hunk.lines.push({ + conflict: true, + mine: mine, + theirs: their + }); + } + + function insertLeading(hunk, insert, their) { + while (insert.offset < their.offset && insert.index < insert.lines.length) { + var line = insert.lines[insert.index++]; + hunk.lines.push(line); + insert.offset++; + } + } + + function insertTrailing(hunk, insert) { + while (insert.index < insert.lines.length) { + var line = insert.lines[insert.index++]; + hunk.lines.push(line); + } + } + + function collectChange(state) { + var ret = [], + operation = state.lines[state.index][0]; + + while (state.index < state.lines.length) { + var line = state.lines[state.index]; // Group additions that are immediately after subtractions and treat them as one "atomic" modify change. + + if (operation === '-' && line[0] === '+') { + operation = '+'; + } + + if (operation === line[0]) { + ret.push(line); + state.index++; + } else { + break; + } + } + + return ret; + } + + function collectContext(state, matchChanges) { + var changes = [], + merged = [], + matchIndex = 0, + contextChanges = false, + conflicted = false; + + while (matchIndex < matchChanges.length && state.index < state.lines.length) { + var change = state.lines[state.index], + match = matchChanges[matchIndex]; // Once we've hit our add, then we are done + + if (match[0] === '+') { + break; + } + + contextChanges = contextChanges || change[0] !== ' '; + merged.push(match); + matchIndex++; // Consume any additions in the other block as a conflict to attempt + // to pull in the remaining context after this + + if (change[0] === '+') { + conflicted = true; + + while (change[0] === '+') { + changes.push(change); + change = state.lines[++state.index]; + } + } + + if (match.substr(1) === change.substr(1)) { + changes.push(change); + state.index++; + } else { + conflicted = true; + } + } + + if ((matchChanges[matchIndex] || '')[0] === '+' && contextChanges) { + conflicted = true; + } + + if (conflicted) { + return changes; + } + + while (matchIndex < matchChanges.length) { + merged.push(matchChanges[matchIndex++]); + } + + return { + merged: merged, + changes: changes + }; + } + + function allRemoves(changes) { + return changes.reduce(function (prev, change) { + return prev && change[0] === '-'; + }, true); + } + + function skipRemoveSuperset(state, removeChanges, delta) { + for (var i = 0; i < delta; i++) { + var changeContent = removeChanges[removeChanges.length - delta + i].substr(1); + + if (state.lines[state.index + i] !== ' ' + changeContent) { + return false; + } + } + + state.index += delta; + return true; + } + + function calcOldNewLineCount(lines) { + var oldLines = 0; + var newLines = 0; + lines.forEach(function (line) { + if (typeof line !== 'string') { + var myCount = calcOldNewLineCount(line.mine); + var theirCount = calcOldNewLineCount(line.theirs); + + if (oldLines !== undefined) { + if (myCount.oldLines === theirCount.oldLines) { + oldLines += myCount.oldLines; + } else { + oldLines = undefined; + } + } + + if (newLines !== undefined) { + if (myCount.newLines === theirCount.newLines) { + newLines += myCount.newLines; + } else { + newLines = undefined; + } + } + } else { + if (newLines !== undefined && (line[0] === '+' || line[0] === ' ')) { + newLines++; + } + + if (oldLines !== undefined && (line[0] === '-' || line[0] === ' ')) { + oldLines++; + } + } + }); + return { + oldLines: oldLines, + newLines: newLines + }; + } + + var reverse = {}; + + /*istanbul ignore start*/ + + Object.defineProperty(reverse, "__esModule", { + value: true + }); + reverse.reversePatch = reversePatch; + + function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; } + + function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; } + + function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; } + + /*istanbul ignore end*/ + function reversePatch(structuredPatch) { + if (Array.isArray(structuredPatch)) { + return structuredPatch.map(reversePatch).reverse(); + } + + return ( + /*istanbul ignore start*/ + _objectSpread(_objectSpread({}, + /*istanbul ignore end*/ + structuredPatch), {}, { + oldFileName: structuredPatch.newFileName, + oldHeader: structuredPatch.newHeader, + newFileName: structuredPatch.oldFileName, + newHeader: structuredPatch.oldHeader, + hunks: structuredPatch.hunks.map(function (hunk) { + return { + oldLines: hunk.newLines, + oldStart: hunk.newStart, + newLines: hunk.oldLines, + newStart: hunk.oldStart, + linedelimiters: hunk.linedelimiters, + lines: hunk.lines.map(function (l) { + if (l.startsWith('-')) { + return ( + /*istanbul ignore start*/ + "+".concat( + /*istanbul ignore end*/ + l.slice(1)) + ); + } + + if (l.startsWith('+')) { + return ( + /*istanbul ignore start*/ + "-".concat( + /*istanbul ignore end*/ + l.slice(1)) + ); + } + + return l; + }) + }; + }) + }) + ); + } + + var dmp = {}; + + /*istanbul ignore start*/ + + Object.defineProperty(dmp, "__esModule", { + value: true + }); + dmp.convertChangesToDMP = convertChangesToDMP; + + /*istanbul ignore end*/ + // See: http://code.google.com/p/google-diff-match-patch/wiki/API + function convertChangesToDMP(changes) { + var ret = [], + change, + operation; + + for (var i = 0; i < changes.length; i++) { + change = changes[i]; + + if (change.added) { + operation = 1; + } else if (change.removed) { + operation = -1; + } else { + operation = 0; + } + + ret.push([operation, change.value]); + } + + return ret; + } + + var xml = {}; + + /*istanbul ignore start*/ + + Object.defineProperty(xml, "__esModule", { + value: true + }); + xml.convertChangesToXML = convertChangesToXML; + + /*istanbul ignore end*/ + function convertChangesToXML(changes) { + var ret = []; + + for (var i = 0; i < changes.length; i++) { + var change = changes[i]; + + if (change.added) { + ret.push(''); + } else if (change.removed) { + ret.push(''); + } + + ret.push(escapeHTML(change.value)); + + if (change.added) { + ret.push(''); + } else if (change.removed) { + ret.push(''); + } + } + + return ret.join(''); + } + + function escapeHTML(s) { + var n = s; + n = n.replace(/&/g, '&'); + n = n.replace(//g, '>'); + n = n.replace(/"/g, '"'); + return n; + } + + /*istanbul ignore start*/ + + (function (exports) { + + Object.defineProperty(exports, "__esModule", { + value: true + }); + Object.defineProperty(exports, "Diff", { + enumerable: true, + get: function get() { + return _base["default"]; + } + }); + Object.defineProperty(exports, "diffChars", { + enumerable: true, + get: function get() { + return _character.diffChars; + } + }); + Object.defineProperty(exports, "diffWords", { + enumerable: true, + get: function get() { + return _word.diffWords; + } + }); + Object.defineProperty(exports, "diffWordsWithSpace", { + enumerable: true, + get: function get() { + return _word.diffWordsWithSpace; + } + }); + Object.defineProperty(exports, "diffLines", { + enumerable: true, + get: function get() { + return _line.diffLines; + } + }); + Object.defineProperty(exports, "diffTrimmedLines", { + enumerable: true, + get: function get() { + return _line.diffTrimmedLines; + } + }); + Object.defineProperty(exports, "diffSentences", { + enumerable: true, + get: function get() { + return _sentence.diffSentences; + } + }); + Object.defineProperty(exports, "diffCss", { + enumerable: true, + get: function get() { + return _css.diffCss; + } + }); + Object.defineProperty(exports, "diffJson", { + enumerable: true, + get: function get() { + return _json.diffJson; + } + }); + Object.defineProperty(exports, "canonicalize", { + enumerable: true, + get: function get() { + return _json.canonicalize; + } + }); + Object.defineProperty(exports, "diffArrays", { + enumerable: true, + get: function get() { + return _array.diffArrays; + } + }); + Object.defineProperty(exports, "applyPatch", { + enumerable: true, + get: function get() { + return _apply.applyPatch; + } + }); + Object.defineProperty(exports, "applyPatches", { + enumerable: true, + get: function get() { + return _apply.applyPatches; + } + }); + Object.defineProperty(exports, "parsePatch", { + enumerable: true, + get: function get() { + return _parse.parsePatch; + } + }); + Object.defineProperty(exports, "merge", { + enumerable: true, + get: function get() { + return _merge.merge; + } + }); + Object.defineProperty(exports, "reversePatch", { + enumerable: true, + get: function get() { + return _reverse.reversePatch; + } + }); + Object.defineProperty(exports, "structuredPatch", { + enumerable: true, + get: function get() { + return _create.structuredPatch; + } + }); + Object.defineProperty(exports, "createTwoFilesPatch", { + enumerable: true, + get: function get() { + return _create.createTwoFilesPatch; + } + }); + Object.defineProperty(exports, "createPatch", { + enumerable: true, + get: function get() { + return _create.createPatch; + } + }); + Object.defineProperty(exports, "formatPatch", { + enumerable: true, + get: function get() { + return _create.formatPatch; + } + }); + Object.defineProperty(exports, "convertChangesToDMP", { + enumerable: true, + get: function get() { + return _dmp.convertChangesToDMP; + } + }); + Object.defineProperty(exports, "convertChangesToXML", { + enumerable: true, + get: function get() { + return _xml.convertChangesToXML; + } + }); + + /*istanbul ignore end*/ + var + /*istanbul ignore start*/ + _base = _interopRequireDefault(base) + /*istanbul ignore end*/ + ; + + var + /*istanbul ignore start*/ + _character = character + /*istanbul ignore end*/ + ; + + var + /*istanbul ignore start*/ + _word = word + /*istanbul ignore end*/ + ; + + var + /*istanbul ignore start*/ + _line = line + /*istanbul ignore end*/ + ; + + var + /*istanbul ignore start*/ + _sentence = sentence + /*istanbul ignore end*/ + ; + + var + /*istanbul ignore start*/ + _css = css + /*istanbul ignore end*/ + ; + + var + /*istanbul ignore start*/ + _json = json$1 + /*istanbul ignore end*/ + ; + + var + /*istanbul ignore start*/ + _array = array$1 + /*istanbul ignore end*/ + ; + + var + /*istanbul ignore start*/ + _apply = apply + /*istanbul ignore end*/ + ; + + var + /*istanbul ignore start*/ + _parse = parse$2 + /*istanbul ignore end*/ + ; + + var + /*istanbul ignore start*/ + _merge = merge$1 + /*istanbul ignore end*/ + ; + + var + /*istanbul ignore start*/ + _reverse = reverse + /*istanbul ignore end*/ + ; + + var + /*istanbul ignore start*/ + _create = create + /*istanbul ignore end*/ + ; + + var + /*istanbul ignore start*/ + _dmp = dmp + /*istanbul ignore end*/ + ; + + var + /*istanbul ignore start*/ + _xml = xml + /*istanbul ignore end*/ + ; + + /*istanbul ignore start*/ function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; } + + /*istanbul ignore end*/ + + }(lib)); + + /** + * Helpers. + */ + + var s$1 = 1000; + var m$1 = s$1 * 60; + var h$1 = m$1 * 60; + var d$1 = h$1 * 24; + var w$1 = d$1 * 7; + var y$1 = d$1 * 365.25; + + /** + * Parse or format the given `val`. + * + * Options: + * + * - `long` verbose formatting [false] + * + * @param {String|Number} val + * @param {Object} [options] + * @throws {Error} throw an error if val is not a non-empty string or a number + * @return {String|Number} + * @api public + */ + + var ms$1 = function (val, options) { + options = options || {}; + var type = typeof val; + if (type === 'string' && val.length > 0) { + return parse$1(val); + } else if (type === 'number' && isFinite(val)) { + return options.long ? fmtLong$1(val) : fmtShort$1(val); + } + throw new Error( + 'val is not a non-empty string or a valid number. val=' + + JSON.stringify(val) + ); + }; + + /** + * Parse the given `str` and return milliseconds. + * + * @param {String} str + * @return {Number} + * @api private + */ + + function parse$1(str) { + str = String(str); + if (str.length > 100) { + return; + } + var match = /^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec( + str + ); + if (!match) { + return; + } + var n = parseFloat(match[1]); + var type = (match[2] || 'ms').toLowerCase(); + switch (type) { + case 'years': + case 'year': + case 'yrs': + case 'yr': + case 'y': + return n * y$1; + case 'weeks': + case 'week': + case 'w': + return n * w$1; + case 'days': + case 'day': + case 'd': + return n * d$1; + case 'hours': + case 'hour': + case 'hrs': + case 'hr': + case 'h': + return n * h$1; + case 'minutes': + case 'minute': + case 'mins': + case 'min': + case 'm': + return n * m$1; + case 'seconds': + case 'second': + case 'secs': + case 'sec': + case 's': + return n * s$1; + case 'milliseconds': + case 'millisecond': + case 'msecs': + case 'msec': + case 'ms': + return n; + default: + return undefined; + } + } + + /** + * Short format for `ms`. + * + * @param {Number} ms + * @return {String} + * @api private + */ + + function fmtShort$1(ms) { + var msAbs = Math.abs(ms); + if (msAbs >= d$1) { + return Math.round(ms / d$1) + 'd'; + } + if (msAbs >= h$1) { + return Math.round(ms / h$1) + 'h'; + } + if (msAbs >= m$1) { + return Math.round(ms / m$1) + 'm'; + } + if (msAbs >= s$1) { + return Math.round(ms / s$1) + 's'; + } + return ms + 'ms'; + } + + /** + * Long format for `ms`. + * + * @param {Number} ms + * @return {String} + * @api private + */ + + function fmtLong$1(ms) { + var msAbs = Math.abs(ms); + if (msAbs >= d$1) { + return plural$1(ms, msAbs, d$1, 'day'); + } + if (msAbs >= h$1) { + return plural$1(ms, msAbs, h$1, 'hour'); + } + if (msAbs >= m$1) { + return plural$1(ms, msAbs, m$1, 'minute'); + } + if (msAbs >= s$1) { + return plural$1(ms, msAbs, s$1, 'second'); + } + return ms + ' ms'; + } + + /** + * Pluralization helper. + */ + + function plural$1(ms, msAbs, n, name) { + var isPlural = msAbs >= n * 1.5; + return Math.round(ms / n) + ' ' + name + (isPlural ? 's' : ''); + } + + var lookup = []; + var revLookup = []; + var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array; + var inited = false; + function init () { + inited = true; + var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; + for (var i = 0, len = code.length; i < len; ++i) { + lookup[i] = code[i]; + revLookup[code.charCodeAt(i)] = i; + } + + revLookup['-'.charCodeAt(0)] = 62; + revLookup['_'.charCodeAt(0)] = 63; + } + + function toByteArray (b64) { + if (!inited) { + init(); + } + var i, j, l, tmp, placeHolders, arr; + var len = b64.length; + + if (len % 4 > 0) { + throw new Error('Invalid string. Length must be a multiple of 4') + } + + // the number of equal signs (place holders) + // if there are two placeholders, than the two characters before it + // represent one byte + // if there is only one, then the three characters before it represent 2 bytes + // this is just a cheap hack to not do indexOf twice + placeHolders = b64[len - 2] === '=' ? 2 : b64[len - 1] === '=' ? 1 : 0; + + // base64 is 4/3 + up to two characters of the original data + arr = new Arr(len * 3 / 4 - placeHolders); + + // if there are placeholders, only get up to the last complete 4 chars + l = placeHolders > 0 ? len - 4 : len; + + var L = 0; + + for (i = 0, j = 0; i < l; i += 4, j += 3) { + tmp = (revLookup[b64.charCodeAt(i)] << 18) | (revLookup[b64.charCodeAt(i + 1)] << 12) | (revLookup[b64.charCodeAt(i + 2)] << 6) | revLookup[b64.charCodeAt(i + 3)]; + arr[L++] = (tmp >> 16) & 0xFF; + arr[L++] = (tmp >> 8) & 0xFF; + arr[L++] = tmp & 0xFF; + } + + if (placeHolders === 2) { + tmp = (revLookup[b64.charCodeAt(i)] << 2) | (revLookup[b64.charCodeAt(i + 1)] >> 4); + arr[L++] = tmp & 0xFF; + } else if (placeHolders === 1) { + tmp = (revLookup[b64.charCodeAt(i)] << 10) | (revLookup[b64.charCodeAt(i + 1)] << 4) | (revLookup[b64.charCodeAt(i + 2)] >> 2); + arr[L++] = (tmp >> 8) & 0xFF; + arr[L++] = tmp & 0xFF; + } + + return arr + } + + function tripletToBase64 (num) { + return lookup[num >> 18 & 0x3F] + lookup[num >> 12 & 0x3F] + lookup[num >> 6 & 0x3F] + lookup[num & 0x3F] + } + + function encodeChunk (uint8, start, end) { + var tmp; + var output = []; + for (var i = start; i < end; i += 3) { + tmp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2]); + output.push(tripletToBase64(tmp)); + } + return output.join('') + } + + function fromByteArray (uint8) { + if (!inited) { + init(); + } + var tmp; + var len = uint8.length; + var extraBytes = len % 3; // if we have 1 byte left, pad 2 bytes + var output = ''; + var parts = []; + var maxChunkLength = 16383; // must be multiple of 3 + + // go through the array every three bytes, we'll deal with trailing stuff later + for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) { + parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength))); + } + + // pad the end with zeros, but make sure to not forget the extra bytes + if (extraBytes === 1) { + tmp = uint8[len - 1]; + output += lookup[tmp >> 2]; + output += lookup[(tmp << 4) & 0x3F]; + output += '=='; + } else if (extraBytes === 2) { + tmp = (uint8[len - 2] << 8) + (uint8[len - 1]); + output += lookup[tmp >> 10]; + output += lookup[(tmp >> 4) & 0x3F]; + output += lookup[(tmp << 2) & 0x3F]; + output += '='; + } + + parts.push(output); + + return parts.join('') + } + + function read (buffer, offset, isLE, mLen, nBytes) { + var e, m; + var eLen = nBytes * 8 - mLen - 1; + var eMax = (1 << eLen) - 1; + var eBias = eMax >> 1; + var nBits = -7; + var i = isLE ? (nBytes - 1) : 0; + var d = isLE ? -1 : 1; + var s = buffer[offset + i]; + + i += d; + + e = s & ((1 << (-nBits)) - 1); + s >>= (-nBits); + nBits += eLen; + for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {} + + m = e & ((1 << (-nBits)) - 1); + e >>= (-nBits); + nBits += mLen; + for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {} + + if (e === 0) { + e = 1 - eBias; + } else if (e === eMax) { + return m ? NaN : ((s ? -1 : 1) * Infinity) + } else { + m = m + Math.pow(2, mLen); + e = e - eBias; + } + return (s ? -1 : 1) * m * Math.pow(2, e - mLen) + } + + function write (buffer, value, offset, isLE, mLen, nBytes) { + var e, m, c; + var eLen = nBytes * 8 - mLen - 1; + var eMax = (1 << eLen) - 1; + var eBias = eMax >> 1; + var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0); + var i = isLE ? 0 : (nBytes - 1); + var d = isLE ? 1 : -1; + var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0; + + value = Math.abs(value); + + if (isNaN(value) || value === Infinity) { + m = isNaN(value) ? 1 : 0; + e = eMax; + } else { + e = Math.floor(Math.log(value) / Math.LN2); + if (value * (c = Math.pow(2, -e)) < 1) { + e--; + c *= 2; + } + if (e + eBias >= 1) { + value += rt / c; + } else { + value += rt * Math.pow(2, 1 - eBias); + } + if (value * c >= 2) { + e++; + c /= 2; + } + + if (e + eBias >= eMax) { + m = 0; + e = eMax; + } else if (e + eBias >= 1) { + m = (value * c - 1) * Math.pow(2, mLen); + e = e + eBias; + } else { + m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen); + e = 0; + } + } + + for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {} + + e = (e << mLen) | m; + eLen += mLen; + for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {} + + buffer[offset + i - d] |= s * 128; + } + + var toString$1 = {}.toString; + + var isArray = Array.isArray || function (arr) { + return toString$1.call(arr) == '[object Array]'; + }; + + var INSPECT_MAX_BYTES = 50; + + /** + * If `Buffer.TYPED_ARRAY_SUPPORT`: + * === true Use Uint8Array implementation (fastest) + * === false Use Object implementation (most compatible, even IE6) + * + * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+, + * Opera 11.6+, iOS 4.2+. + * + * Due to various browser bugs, sometimes the Object implementation will be used even + * when the browser supports typed arrays. + * + * Note: + * + * - Firefox 4-29 lacks support for adding new properties to `Uint8Array` instances, + * See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438. + * + * - Chrome 9-10 is missing the `TypedArray.prototype.subarray` function. + * + * - IE10 has a broken `TypedArray.prototype.subarray` function which returns arrays of + * incorrect length in some situations. + + * We detect these buggy browsers and set `Buffer.TYPED_ARRAY_SUPPORT` to `false` so they + * get the Object implementation, which is slower but behaves correctly. + */ + Buffer.TYPED_ARRAY_SUPPORT = global$1.TYPED_ARRAY_SUPPORT !== undefined + ? global$1.TYPED_ARRAY_SUPPORT + : true; + + /* + * Export kMaxLength after typed array support is determined. + */ + kMaxLength(); + + function kMaxLength () { + return Buffer.TYPED_ARRAY_SUPPORT + ? 0x7fffffff + : 0x3fffffff + } + + function createBuffer (that, length) { + if (kMaxLength() < length) { + throw new RangeError('Invalid typed array length') + } + if (Buffer.TYPED_ARRAY_SUPPORT) { + // Return an augmented `Uint8Array` instance, for best performance + that = new Uint8Array(length); + that.__proto__ = Buffer.prototype; + } else { + // Fallback: Return an object instance of the Buffer class + if (that === null) { + that = new Buffer(length); + } + that.length = length; + } + + return that + } + + /** + * The Buffer constructor returns instances of `Uint8Array` that have their + * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of + * `Uint8Array`, so the returned instances will have all the node `Buffer` methods + * and the `Uint8Array` methods. Square bracket notation works as expected -- it + * returns a single octet. + * + * The `Uint8Array` prototype remains unmodified. + */ + + function Buffer (arg, encodingOrOffset, length) { + if (!Buffer.TYPED_ARRAY_SUPPORT && !(this instanceof Buffer)) { + return new Buffer(arg, encodingOrOffset, length) + } + + // Common case. + if (typeof arg === 'number') { + if (typeof encodingOrOffset === 'string') { + throw new Error( + 'If encoding is specified then the first argument must be a string' + ) + } + return allocUnsafe(this, arg) + } + return from(this, arg, encodingOrOffset, length) + } + + Buffer.poolSize = 8192; // not used by this implementation + + // TODO: Legacy, not needed anymore. Remove in next major version. + Buffer._augment = function (arr) { + arr.__proto__ = Buffer.prototype; + return arr + }; + + function from (that, value, encodingOrOffset, length) { + if (typeof value === 'number') { + throw new TypeError('"value" argument must not be a number') + } + + if (typeof ArrayBuffer !== 'undefined' && value instanceof ArrayBuffer) { + return fromArrayBuffer(that, value, encodingOrOffset, length) + } + + if (typeof value === 'string') { + return fromString(that, value, encodingOrOffset) + } + + return fromObject(that, value) + } + + /** + * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError + * if value is a number. + * Buffer.from(str[, encoding]) + * Buffer.from(array) + * Buffer.from(buffer) + * Buffer.from(arrayBuffer[, byteOffset[, length]]) + **/ + Buffer.from = function (value, encodingOrOffset, length) { + return from(null, value, encodingOrOffset, length) + }; + + if (Buffer.TYPED_ARRAY_SUPPORT) { + Buffer.prototype.__proto__ = Uint8Array.prototype; + Buffer.__proto__ = Uint8Array; + if (typeof Symbol !== 'undefined' && Symbol.species && + Buffer[Symbol.species] === Buffer) ; + } + + function assertSize (size) { + if (typeof size !== 'number') { + throw new TypeError('"size" argument must be a number') + } else if (size < 0) { + throw new RangeError('"size" argument must not be negative') + } + } + + function alloc (that, size, fill, encoding) { + assertSize(size); + if (size <= 0) { + return createBuffer(that, size) + } + if (fill !== undefined) { + // Only pay attention to encoding if it's a string. This + // prevents accidentally sending in a number that would + // be interpretted as a start offset. + return typeof encoding === 'string' + ? createBuffer(that, size).fill(fill, encoding) + : createBuffer(that, size).fill(fill) + } + return createBuffer(that, size) + } + + /** + * Creates a new filled Buffer instance. + * alloc(size[, fill[, encoding]]) + **/ + Buffer.alloc = function (size, fill, encoding) { + return alloc(null, size, fill, encoding) + }; + + function allocUnsafe (that, size) { + assertSize(size); + that = createBuffer(that, size < 0 ? 0 : checked(size) | 0); + if (!Buffer.TYPED_ARRAY_SUPPORT) { + for (var i = 0; i < size; ++i) { + that[i] = 0; + } + } + return that + } + + /** + * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance. + * */ + Buffer.allocUnsafe = function (size) { + return allocUnsafe(null, size) + }; + /** + * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance. + */ + Buffer.allocUnsafeSlow = function (size) { + return allocUnsafe(null, size) + }; + + function fromString (that, string, encoding) { + if (typeof encoding !== 'string' || encoding === '') { + encoding = 'utf8'; + } + + if (!Buffer.isEncoding(encoding)) { + throw new TypeError('"encoding" must be a valid string encoding') + } + + var length = byteLength(string, encoding) | 0; + that = createBuffer(that, length); + + var actual = that.write(string, encoding); + + if (actual !== length) { + // Writing a hex string, for example, that contains invalid characters will + // cause everything after the first invalid character to be ignored. (e.g. + // 'abxxcd' will be treated as 'ab') + that = that.slice(0, actual); + } + + return that + } + + function fromArrayLike (that, array) { + var length = array.length < 0 ? 0 : checked(array.length) | 0; + that = createBuffer(that, length); + for (var i = 0; i < length; i += 1) { + that[i] = array[i] & 255; + } + return that + } + + function fromArrayBuffer (that, array, byteOffset, length) { + array.byteLength; // this throws if `array` is not a valid ArrayBuffer + + if (byteOffset < 0 || array.byteLength < byteOffset) { + throw new RangeError('\'offset\' is out of bounds') + } + + if (array.byteLength < byteOffset + (length || 0)) { + throw new RangeError('\'length\' is out of bounds') + } + + if (byteOffset === undefined && length === undefined) { + array = new Uint8Array(array); + } else if (length === undefined) { + array = new Uint8Array(array, byteOffset); + } else { + array = new Uint8Array(array, byteOffset, length); + } + + if (Buffer.TYPED_ARRAY_SUPPORT) { + // Return an augmented `Uint8Array` instance, for best performance + that = array; + that.__proto__ = Buffer.prototype; + } else { + // Fallback: Return an object instance of the Buffer class + that = fromArrayLike(that, array); + } + return that + } + + function fromObject (that, obj) { + if (internalIsBuffer(obj)) { + var len = checked(obj.length) | 0; + that = createBuffer(that, len); + + if (that.length === 0) { + return that + } + + obj.copy(that, 0, 0, len); + return that + } + + if (obj) { + if ((typeof ArrayBuffer !== 'undefined' && + obj.buffer instanceof ArrayBuffer) || 'length' in obj) { + if (typeof obj.length !== 'number' || isnan(obj.length)) { + return createBuffer(that, 0) + } + return fromArrayLike(that, obj) + } + + if (obj.type === 'Buffer' && isArray(obj.data)) { + return fromArrayLike(that, obj.data) + } + } + + throw new TypeError('First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.') + } + + function checked (length) { + // Note: cannot use `length < kMaxLength()` here because that fails when + // length is NaN (which is otherwise coerced to zero.) + if (length >= kMaxLength()) { + throw new RangeError('Attempt to allocate Buffer larger than maximum ' + + 'size: 0x' + kMaxLength().toString(16) + ' bytes') + } + return length | 0 + } + Buffer.isBuffer = isBuffer; + function internalIsBuffer (b) { + return !!(b != null && b._isBuffer) + } + + Buffer.compare = function compare (a, b) { + if (!internalIsBuffer(a) || !internalIsBuffer(b)) { + throw new TypeError('Arguments must be Buffers') + } + + if (a === b) return 0 + + var x = a.length; + var y = b.length; + + for (var i = 0, len = Math.min(x, y); i < len; ++i) { + if (a[i] !== b[i]) { + x = a[i]; + y = b[i]; + break + } + } + + if (x < y) return -1 + if (y < x) return 1 + return 0 + }; + + Buffer.isEncoding = function isEncoding (encoding) { + switch (String(encoding).toLowerCase()) { + case 'hex': + case 'utf8': + case 'utf-8': + case 'ascii': + case 'latin1': + case 'binary': + case 'base64': + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + return true + default: + return false + } + }; + + Buffer.concat = function concat (list, length) { + if (!isArray(list)) { + throw new TypeError('"list" argument must be an Array of Buffers') + } + + if (list.length === 0) { + return Buffer.alloc(0) + } + + var i; + if (length === undefined) { + length = 0; + for (i = 0; i < list.length; ++i) { + length += list[i].length; + } + } + + var buffer = Buffer.allocUnsafe(length); + var pos = 0; + for (i = 0; i < list.length; ++i) { + var buf = list[i]; + if (!internalIsBuffer(buf)) { + throw new TypeError('"list" argument must be an Array of Buffers') + } + buf.copy(buffer, pos); + pos += buf.length; + } + return buffer + }; + + function byteLength (string, encoding) { + if (internalIsBuffer(string)) { + return string.length + } + if (typeof ArrayBuffer !== 'undefined' && typeof ArrayBuffer.isView === 'function' && + (ArrayBuffer.isView(string) || string instanceof ArrayBuffer)) { + return string.byteLength + } + if (typeof string !== 'string') { + string = '' + string; + } + + var len = string.length; + if (len === 0) return 0 + + // Use a for loop to avoid recursion + var loweredCase = false; + for (;;) { + switch (encoding) { + case 'ascii': + case 'latin1': + case 'binary': + return len + case 'utf8': + case 'utf-8': + case undefined: + return utf8ToBytes(string).length + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + return len * 2 + case 'hex': + return len >>> 1 + case 'base64': + return base64ToBytes(string).length + default: + if (loweredCase) return utf8ToBytes(string).length // assume utf8 + encoding = ('' + encoding).toLowerCase(); + loweredCase = true; + } + } + } + Buffer.byteLength = byteLength; + + function slowToString (encoding, start, end) { + var loweredCase = false; + + // No need to verify that "this.length <= MAX_UINT32" since it's a read-only + // property of a typed array. + + // This behaves neither like String nor Uint8Array in that we set start/end + // to their upper/lower bounds if the value passed is out of range. + // undefined is handled specially as per ECMA-262 6th Edition, + // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization. + if (start === undefined || start < 0) { + start = 0; + } + // Return early if start > this.length. Done here to prevent potential uint32 + // coercion fail below. + if (start > this.length) { + return '' + } + + if (end === undefined || end > this.length) { + end = this.length; + } + + if (end <= 0) { + return '' + } + + // Force coersion to uint32. This will also coerce falsey/NaN values to 0. + end >>>= 0; + start >>>= 0; + + if (end <= start) { + return '' + } + + if (!encoding) encoding = 'utf8'; + + while (true) { + switch (encoding) { + case 'hex': + return hexSlice(this, start, end) + + case 'utf8': + case 'utf-8': + return utf8Slice(this, start, end) + + case 'ascii': + return asciiSlice(this, start, end) + + case 'latin1': + case 'binary': + return latin1Slice(this, start, end) + + case 'base64': + return base64Slice(this, start, end) + + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + return utf16leSlice(this, start, end) + + default: + if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding) + encoding = (encoding + '').toLowerCase(); + loweredCase = true; + } + } + } + + // The property is used by `Buffer.isBuffer` and `is-buffer` (in Safari 5-7) to detect + // Buffer instances. + Buffer.prototype._isBuffer = true; + + function swap (b, n, m) { + var i = b[n]; + b[n] = b[m]; + b[m] = i; + } + + Buffer.prototype.swap16 = function swap16 () { + var len = this.length; + if (len % 2 !== 0) { + throw new RangeError('Buffer size must be a multiple of 16-bits') + } + for (var i = 0; i < len; i += 2) { + swap(this, i, i + 1); + } + return this + }; + + Buffer.prototype.swap32 = function swap32 () { + var len = this.length; + if (len % 4 !== 0) { + throw new RangeError('Buffer size must be a multiple of 32-bits') + } + for (var i = 0; i < len; i += 4) { + swap(this, i, i + 3); + swap(this, i + 1, i + 2); + } + return this + }; + + Buffer.prototype.swap64 = function swap64 () { + var len = this.length; + if (len % 8 !== 0) { + throw new RangeError('Buffer size must be a multiple of 64-bits') + } + for (var i = 0; i < len; i += 8) { + swap(this, i, i + 7); + swap(this, i + 1, i + 6); + swap(this, i + 2, i + 5); + swap(this, i + 3, i + 4); + } + return this + }; + + Buffer.prototype.toString = function toString () { + var length = this.length | 0; + if (length === 0) return '' + if (arguments.length === 0) return utf8Slice(this, 0, length) + return slowToString.apply(this, arguments) + }; + + Buffer.prototype.equals = function equals (b) { + if (!internalIsBuffer(b)) throw new TypeError('Argument must be a Buffer') + if (this === b) return true + return Buffer.compare(this, b) === 0 + }; + + Buffer.prototype.inspect = function inspect () { + var str = ''; + var max = INSPECT_MAX_BYTES; + if (this.length > 0) { + str = this.toString('hex', 0, max).match(/.{2}/g).join(' '); + if (this.length > max) str += ' ... '; + } + return '' + }; + + Buffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) { + if (!internalIsBuffer(target)) { + throw new TypeError('Argument must be a Buffer') + } + + if (start === undefined) { + start = 0; + } + if (end === undefined) { + end = target ? target.length : 0; + } + if (thisStart === undefined) { + thisStart = 0; + } + if (thisEnd === undefined) { + thisEnd = this.length; + } + + if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) { + throw new RangeError('out of range index') + } + + if (thisStart >= thisEnd && start >= end) { + return 0 + } + if (thisStart >= thisEnd) { + return -1 + } + if (start >= end) { + return 1 + } + + start >>>= 0; + end >>>= 0; + thisStart >>>= 0; + thisEnd >>>= 0; + + if (this === target) return 0 + + var x = thisEnd - thisStart; + var y = end - start; + var len = Math.min(x, y); + + var thisCopy = this.slice(thisStart, thisEnd); + var targetCopy = target.slice(start, end); + + for (var i = 0; i < len; ++i) { + if (thisCopy[i] !== targetCopy[i]) { + x = thisCopy[i]; + y = targetCopy[i]; + break + } + } + + if (x < y) return -1 + if (y < x) return 1 + return 0 + }; + + // Finds either the first index of `val` in `buffer` at offset >= `byteOffset`, + // OR the last index of `val` in `buffer` at offset <= `byteOffset`. + // + // Arguments: + // - buffer - a Buffer to search + // - val - a string, Buffer, or number + // - byteOffset - an index into `buffer`; will be clamped to an int32 + // - encoding - an optional encoding, relevant is val is a string + // - dir - true for indexOf, false for lastIndexOf + function bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) { + // Empty buffer means no match + if (buffer.length === 0) return -1 + + // Normalize byteOffset + if (typeof byteOffset === 'string') { + encoding = byteOffset; + byteOffset = 0; + } else if (byteOffset > 0x7fffffff) { + byteOffset = 0x7fffffff; + } else if (byteOffset < -0x80000000) { + byteOffset = -0x80000000; + } + byteOffset = +byteOffset; // Coerce to Number. + if (isNaN(byteOffset)) { + // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer + byteOffset = dir ? 0 : (buffer.length - 1); + } + + // Normalize byteOffset: negative offsets start from the end of the buffer + if (byteOffset < 0) byteOffset = buffer.length + byteOffset; + if (byteOffset >= buffer.length) { + if (dir) return -1 + else byteOffset = buffer.length - 1; + } else if (byteOffset < 0) { + if (dir) byteOffset = 0; + else return -1 + } + + // Normalize val + if (typeof val === 'string') { + val = Buffer.from(val, encoding); + } + + // Finally, search either indexOf (if dir is true) or lastIndexOf + if (internalIsBuffer(val)) { + // Special case: looking for empty string/buffer always fails + if (val.length === 0) { + return -1 + } + return arrayIndexOf(buffer, val, byteOffset, encoding, dir) + } else if (typeof val === 'number') { + val = val & 0xFF; // Search for a byte value [0-255] + if (Buffer.TYPED_ARRAY_SUPPORT && + typeof Uint8Array.prototype.indexOf === 'function') { + if (dir) { + return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset) + } else { + return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset) + } + } + return arrayIndexOf(buffer, [ val ], byteOffset, encoding, dir) + } + + throw new TypeError('val must be string, number or Buffer') + } + + function arrayIndexOf (arr, val, byteOffset, encoding, dir) { + var indexSize = 1; + var arrLength = arr.length; + var valLength = val.length; + + if (encoding !== undefined) { + encoding = String(encoding).toLowerCase(); + if (encoding === 'ucs2' || encoding === 'ucs-2' || + encoding === 'utf16le' || encoding === 'utf-16le') { + if (arr.length < 2 || val.length < 2) { + return -1 + } + indexSize = 2; + arrLength /= 2; + valLength /= 2; + byteOffset /= 2; + } + } + + function read (buf, i) { + if (indexSize === 1) { + return buf[i] + } else { + return buf.readUInt16BE(i * indexSize) + } + } + + var i; + if (dir) { + var foundIndex = -1; + for (i = byteOffset; i < arrLength; i++) { + if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) { + if (foundIndex === -1) foundIndex = i; + if (i - foundIndex + 1 === valLength) return foundIndex * indexSize + } else { + if (foundIndex !== -1) i -= i - foundIndex; + foundIndex = -1; + } + } + } else { + if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength; + for (i = byteOffset; i >= 0; i--) { + var found = true; + for (var j = 0; j < valLength; j++) { + if (read(arr, i + j) !== read(val, j)) { + found = false; + break + } + } + if (found) return i + } + } + + return -1 + } + + Buffer.prototype.includes = function includes (val, byteOffset, encoding) { + return this.indexOf(val, byteOffset, encoding) !== -1 + }; + + Buffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) { + return bidirectionalIndexOf(this, val, byteOffset, encoding, true) + }; + + Buffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) { + return bidirectionalIndexOf(this, val, byteOffset, encoding, false) + }; + + function hexWrite (buf, string, offset, length) { + offset = Number(offset) || 0; + var remaining = buf.length - offset; + if (!length) { + length = remaining; + } else { + length = Number(length); + if (length > remaining) { + length = remaining; + } + } + + // must be an even number of digits + var strLen = string.length; + if (strLen % 2 !== 0) throw new TypeError('Invalid hex string') + + if (length > strLen / 2) { + length = strLen / 2; + } + for (var i = 0; i < length; ++i) { + var parsed = parseInt(string.substr(i * 2, 2), 16); + if (isNaN(parsed)) return i + buf[offset + i] = parsed; + } + return i + } + + function utf8Write (buf, string, offset, length) { + return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length) + } + + function asciiWrite (buf, string, offset, length) { + return blitBuffer(asciiToBytes(string), buf, offset, length) + } + + function latin1Write (buf, string, offset, length) { + return asciiWrite(buf, string, offset, length) + } + + function base64Write (buf, string, offset, length) { + return blitBuffer(base64ToBytes(string), buf, offset, length) + } + + function ucs2Write (buf, string, offset, length) { + return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length) + } + + Buffer.prototype.write = function write (string, offset, length, encoding) { + // Buffer#write(string) + if (offset === undefined) { + encoding = 'utf8'; + length = this.length; + offset = 0; + // Buffer#write(string, encoding) + } else if (length === undefined && typeof offset === 'string') { + encoding = offset; + length = this.length; + offset = 0; + // Buffer#write(string, offset[, length][, encoding]) + } else if (isFinite(offset)) { + offset = offset | 0; + if (isFinite(length)) { + length = length | 0; + if (encoding === undefined) encoding = 'utf8'; + } else { + encoding = length; + length = undefined; + } + // legacy write(string, encoding, offset, length) - remove in v0.13 + } else { + throw new Error( + 'Buffer.write(string, encoding, offset[, length]) is no longer supported' + ) + } + + var remaining = this.length - offset; + if (length === undefined || length > remaining) length = remaining; + + if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) { + throw new RangeError('Attempt to write outside buffer bounds') + } + + if (!encoding) encoding = 'utf8'; + + var loweredCase = false; + for (;;) { + switch (encoding) { + case 'hex': + return hexWrite(this, string, offset, length) + + case 'utf8': + case 'utf-8': + return utf8Write(this, string, offset, length) + + case 'ascii': + return asciiWrite(this, string, offset, length) + + case 'latin1': + case 'binary': + return latin1Write(this, string, offset, length) + + case 'base64': + // Warning: maxLength not taken into account in base64Write + return base64Write(this, string, offset, length) + + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + return ucs2Write(this, string, offset, length) + + default: + if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding) + encoding = ('' + encoding).toLowerCase(); + loweredCase = true; + } + } + }; + + Buffer.prototype.toJSON = function toJSON () { + return { + type: 'Buffer', + data: Array.prototype.slice.call(this._arr || this, 0) + } + }; + + function base64Slice (buf, start, end) { + if (start === 0 && end === buf.length) { + return fromByteArray(buf) + } else { + return fromByteArray(buf.slice(start, end)) + } + } + + function utf8Slice (buf, start, end) { + end = Math.min(buf.length, end); + var res = []; + + var i = start; + while (i < end) { + var firstByte = buf[i]; + var codePoint = null; + var bytesPerSequence = (firstByte > 0xEF) ? 4 + : (firstByte > 0xDF) ? 3 + : (firstByte > 0xBF) ? 2 + : 1; + + if (i + bytesPerSequence <= end) { + var secondByte, thirdByte, fourthByte, tempCodePoint; + + switch (bytesPerSequence) { + case 1: + if (firstByte < 0x80) { + codePoint = firstByte; + } + break + case 2: + secondByte = buf[i + 1]; + if ((secondByte & 0xC0) === 0x80) { + tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F); + if (tempCodePoint > 0x7F) { + codePoint = tempCodePoint; + } + } + break + case 3: + secondByte = buf[i + 1]; + thirdByte = buf[i + 2]; + if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) { + tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F); + if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) { + codePoint = tempCodePoint; + } + } + break + case 4: + secondByte = buf[i + 1]; + thirdByte = buf[i + 2]; + fourthByte = buf[i + 3]; + if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) { + tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F); + if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) { + codePoint = tempCodePoint; + } + } + } + } + + if (codePoint === null) { + // we did not generate a valid codePoint so insert a + // replacement char (U+FFFD) and advance only 1 byte + codePoint = 0xFFFD; + bytesPerSequence = 1; + } else if (codePoint > 0xFFFF) { + // encode to utf16 (surrogate pair dance) + codePoint -= 0x10000; + res.push(codePoint >>> 10 & 0x3FF | 0xD800); + codePoint = 0xDC00 | codePoint & 0x3FF; + } + + res.push(codePoint); + i += bytesPerSequence; + } + + return decodeCodePointsArray(res) + } + + // Based on http://stackoverflow.com/a/22747272/680742, the browser with + // the lowest limit is Chrome, with 0x10000 args. + // We go 1 magnitude less, for safety + var MAX_ARGUMENTS_LENGTH = 0x1000; + + function decodeCodePointsArray (codePoints) { + var len = codePoints.length; + if (len <= MAX_ARGUMENTS_LENGTH) { + return String.fromCharCode.apply(String, codePoints) // avoid extra slice() + } + + // Decode in chunks to avoid "call stack size exceeded". + var res = ''; + var i = 0; + while (i < len) { + res += String.fromCharCode.apply( + String, + codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH) + ); + } + return res + } + + function asciiSlice (buf, start, end) { + var ret = ''; + end = Math.min(buf.length, end); + + for (var i = start; i < end; ++i) { + ret += String.fromCharCode(buf[i] & 0x7F); + } + return ret + } + + function latin1Slice (buf, start, end) { + var ret = ''; + end = Math.min(buf.length, end); + + for (var i = start; i < end; ++i) { + ret += String.fromCharCode(buf[i]); + } + return ret + } + + function hexSlice (buf, start, end) { + var len = buf.length; + + if (!start || start < 0) start = 0; + if (!end || end < 0 || end > len) end = len; + + var out = ''; + for (var i = start; i < end; ++i) { + out += toHex(buf[i]); + } + return out + } + + function utf16leSlice (buf, start, end) { + var bytes = buf.slice(start, end); + var res = ''; + for (var i = 0; i < bytes.length; i += 2) { + res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256); + } + return res + } + + Buffer.prototype.slice = function slice (start, end) { + var len = this.length; + start = ~~start; + end = end === undefined ? len : ~~end; + + if (start < 0) { + start += len; + if (start < 0) start = 0; + } else if (start > len) { + start = len; + } + + if (end < 0) { + end += len; + if (end < 0) end = 0; + } else if (end > len) { + end = len; + } + + if (end < start) end = start; + + var newBuf; + if (Buffer.TYPED_ARRAY_SUPPORT) { + newBuf = this.subarray(start, end); + newBuf.__proto__ = Buffer.prototype; + } else { + var sliceLen = end - start; + newBuf = new Buffer(sliceLen, undefined); + for (var i = 0; i < sliceLen; ++i) { + newBuf[i] = this[i + start]; + } + } + + return newBuf + }; + + /* + * Need to make sure that buffer isn't trying to write out of bounds. + */ + function checkOffset (offset, ext, length) { + if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint') + if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length') + } + + Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) { + offset = offset | 0; + byteLength = byteLength | 0; + if (!noAssert) checkOffset(offset, byteLength, this.length); + + var val = this[offset]; + var mul = 1; + var i = 0; + while (++i < byteLength && (mul *= 0x100)) { + val += this[offset + i] * mul; + } + + return val + }; + + Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) { + offset = offset | 0; + byteLength = byteLength | 0; + if (!noAssert) { + checkOffset(offset, byteLength, this.length); + } + + var val = this[offset + --byteLength]; + var mul = 1; + while (byteLength > 0 && (mul *= 0x100)) { + val += this[offset + --byteLength] * mul; + } + + return val + }; + + Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) { + if (!noAssert) checkOffset(offset, 1, this.length); + return this[offset] + }; + + Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 2, this.length); + return this[offset] | (this[offset + 1] << 8) + }; + + Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 2, this.length); + return (this[offset] << 8) | this[offset + 1] + }; + + Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 4, this.length); + + return ((this[offset]) | + (this[offset + 1] << 8) | + (this[offset + 2] << 16)) + + (this[offset + 3] * 0x1000000) + }; + + Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 4, this.length); + + return (this[offset] * 0x1000000) + + ((this[offset + 1] << 16) | + (this[offset + 2] << 8) | + this[offset + 3]) + }; + + Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) { + offset = offset | 0; + byteLength = byteLength | 0; + if (!noAssert) checkOffset(offset, byteLength, this.length); + + var val = this[offset]; + var mul = 1; + var i = 0; + while (++i < byteLength && (mul *= 0x100)) { + val += this[offset + i] * mul; + } + mul *= 0x80; + + if (val >= mul) val -= Math.pow(2, 8 * byteLength); + + return val + }; + + Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) { + offset = offset | 0; + byteLength = byteLength | 0; + if (!noAssert) checkOffset(offset, byteLength, this.length); + + var i = byteLength; + var mul = 1; + var val = this[offset + --i]; + while (i > 0 && (mul *= 0x100)) { + val += this[offset + --i] * mul; + } + mul *= 0x80; + + if (val >= mul) val -= Math.pow(2, 8 * byteLength); + + return val + }; + + Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) { + if (!noAssert) checkOffset(offset, 1, this.length); + if (!(this[offset] & 0x80)) return (this[offset]) + return ((0xff - this[offset] + 1) * -1) + }; + + Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 2, this.length); + var val = this[offset] | (this[offset + 1] << 8); + return (val & 0x8000) ? val | 0xFFFF0000 : val + }; + + Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 2, this.length); + var val = this[offset + 1] | (this[offset] << 8); + return (val & 0x8000) ? val | 0xFFFF0000 : val + }; + + Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 4, this.length); + + return (this[offset]) | + (this[offset + 1] << 8) | + (this[offset + 2] << 16) | + (this[offset + 3] << 24) + }; + + Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 4, this.length); + + return (this[offset] << 24) | + (this[offset + 1] << 16) | + (this[offset + 2] << 8) | + (this[offset + 3]) + }; + + Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 4, this.length); + return read(this, offset, true, 23, 4) + }; + + Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 4, this.length); + return read(this, offset, false, 23, 4) + }; + + Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 8, this.length); + return read(this, offset, true, 52, 8) + }; + + Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 8, this.length); + return read(this, offset, false, 52, 8) + }; + + function checkInt (buf, value, offset, ext, max, min) { + if (!internalIsBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance') + if (value > max || value < min) throw new RangeError('"value" argument is out of bounds') + if (offset + ext > buf.length) throw new RangeError('Index out of range') + } + + Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) { + value = +value; + offset = offset | 0; + byteLength = byteLength | 0; + if (!noAssert) { + var maxBytes = Math.pow(2, 8 * byteLength) - 1; + checkInt(this, value, offset, byteLength, maxBytes, 0); + } + + var mul = 1; + var i = 0; + this[offset] = value & 0xFF; + while (++i < byteLength && (mul *= 0x100)) { + this[offset + i] = (value / mul) & 0xFF; + } + + return offset + byteLength + }; + + Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) { + value = +value; + offset = offset | 0; + byteLength = byteLength | 0; + if (!noAssert) { + var maxBytes = Math.pow(2, 8 * byteLength) - 1; + checkInt(this, value, offset, byteLength, maxBytes, 0); + } + + var i = byteLength - 1; + var mul = 1; + this[offset + i] = value & 0xFF; + while (--i >= 0 && (mul *= 0x100)) { + this[offset + i] = (value / mul) & 0xFF; + } + + return offset + byteLength + }; + + Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) { + value = +value; + offset = offset | 0; + if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0); + if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value); + this[offset] = (value & 0xff); + return offset + 1 + }; + + function objectWriteUInt16 (buf, value, offset, littleEndian) { + if (value < 0) value = 0xffff + value + 1; + for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; ++i) { + buf[offset + i] = (value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>> + (littleEndian ? i : 1 - i) * 8; + } + } + + Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) { + value = +value; + offset = offset | 0; + if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0); + if (Buffer.TYPED_ARRAY_SUPPORT) { + this[offset] = (value & 0xff); + this[offset + 1] = (value >>> 8); + } else { + objectWriteUInt16(this, value, offset, true); + } + return offset + 2 + }; + + Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) { + value = +value; + offset = offset | 0; + if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0); + if (Buffer.TYPED_ARRAY_SUPPORT) { + this[offset] = (value >>> 8); + this[offset + 1] = (value & 0xff); + } else { + objectWriteUInt16(this, value, offset, false); + } + return offset + 2 + }; + + function objectWriteUInt32 (buf, value, offset, littleEndian) { + if (value < 0) value = 0xffffffff + value + 1; + for (var i = 0, j = Math.min(buf.length - offset, 4); i < j; ++i) { + buf[offset + i] = (value >>> (littleEndian ? i : 3 - i) * 8) & 0xff; + } + } + + Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) { + value = +value; + offset = offset | 0; + if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0); + if (Buffer.TYPED_ARRAY_SUPPORT) { + this[offset + 3] = (value >>> 24); + this[offset + 2] = (value >>> 16); + this[offset + 1] = (value >>> 8); + this[offset] = (value & 0xff); + } else { + objectWriteUInt32(this, value, offset, true); + } + return offset + 4 + }; + + Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) { + value = +value; + offset = offset | 0; + if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0); + if (Buffer.TYPED_ARRAY_SUPPORT) { + this[offset] = (value >>> 24); + this[offset + 1] = (value >>> 16); + this[offset + 2] = (value >>> 8); + this[offset + 3] = (value & 0xff); + } else { + objectWriteUInt32(this, value, offset, false); + } + return offset + 4 + }; + + Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) { + value = +value; + offset = offset | 0; + if (!noAssert) { + var limit = Math.pow(2, 8 * byteLength - 1); + + checkInt(this, value, offset, byteLength, limit - 1, -limit); + } + + var i = 0; + var mul = 1; + var sub = 0; + this[offset] = value & 0xFF; + while (++i < byteLength && (mul *= 0x100)) { + if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) { + sub = 1; + } + this[offset + i] = ((value / mul) >> 0) - sub & 0xFF; + } + + return offset + byteLength + }; + + Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) { + value = +value; + offset = offset | 0; + if (!noAssert) { + var limit = Math.pow(2, 8 * byteLength - 1); + + checkInt(this, value, offset, byteLength, limit - 1, -limit); + } + + var i = byteLength - 1; + var mul = 1; + var sub = 0; + this[offset + i] = value & 0xFF; + while (--i >= 0 && (mul *= 0x100)) { + if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) { + sub = 1; + } + this[offset + i] = ((value / mul) >> 0) - sub & 0xFF; + } + + return offset + byteLength + }; + + Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) { + value = +value; + offset = offset | 0; + if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80); + if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value); + if (value < 0) value = 0xff + value + 1; + this[offset] = (value & 0xff); + return offset + 1 + }; + + Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) { + value = +value; + offset = offset | 0; + if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000); + if (Buffer.TYPED_ARRAY_SUPPORT) { + this[offset] = (value & 0xff); + this[offset + 1] = (value >>> 8); + } else { + objectWriteUInt16(this, value, offset, true); + } + return offset + 2 + }; + + Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) { + value = +value; + offset = offset | 0; + if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000); + if (Buffer.TYPED_ARRAY_SUPPORT) { + this[offset] = (value >>> 8); + this[offset + 1] = (value & 0xff); + } else { + objectWriteUInt16(this, value, offset, false); + } + return offset + 2 + }; + + Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) { + value = +value; + offset = offset | 0; + if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000); + if (Buffer.TYPED_ARRAY_SUPPORT) { + this[offset] = (value & 0xff); + this[offset + 1] = (value >>> 8); + this[offset + 2] = (value >>> 16); + this[offset + 3] = (value >>> 24); + } else { + objectWriteUInt32(this, value, offset, true); + } + return offset + 4 + }; + + Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) { + value = +value; + offset = offset | 0; + if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000); + if (value < 0) value = 0xffffffff + value + 1; + if (Buffer.TYPED_ARRAY_SUPPORT) { + this[offset] = (value >>> 24); + this[offset + 1] = (value >>> 16); + this[offset + 2] = (value >>> 8); + this[offset + 3] = (value & 0xff); + } else { + objectWriteUInt32(this, value, offset, false); + } + return offset + 4 + }; + + function checkIEEE754 (buf, value, offset, ext, max, min) { + if (offset + ext > buf.length) throw new RangeError('Index out of range') + if (offset < 0) throw new RangeError('Index out of range') + } + + function writeFloat (buf, value, offset, littleEndian, noAssert) { + if (!noAssert) { + checkIEEE754(buf, value, offset, 4); + } + write(buf, value, offset, littleEndian, 23, 4); + return offset + 4 + } + + Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) { + return writeFloat(this, value, offset, true, noAssert) + }; + + Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) { + return writeFloat(this, value, offset, false, noAssert) + }; + + function writeDouble (buf, value, offset, littleEndian, noAssert) { + if (!noAssert) { + checkIEEE754(buf, value, offset, 8); + } + write(buf, value, offset, littleEndian, 52, 8); + return offset + 8 + } + + Buffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) { + return writeDouble(this, value, offset, true, noAssert) + }; + + Buffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) { + return writeDouble(this, value, offset, false, noAssert) + }; + + // copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length) + Buffer.prototype.copy = function copy (target, targetStart, start, end) { + if (!start) start = 0; + if (!end && end !== 0) end = this.length; + if (targetStart >= target.length) targetStart = target.length; + if (!targetStart) targetStart = 0; + if (end > 0 && end < start) end = start; + + // Copy 0 bytes; we're done + if (end === start) return 0 + if (target.length === 0 || this.length === 0) return 0 + + // Fatal error conditions + if (targetStart < 0) { + throw new RangeError('targetStart out of bounds') + } + if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds') + if (end < 0) throw new RangeError('sourceEnd out of bounds') + + // Are we oob? + if (end > this.length) end = this.length; + if (target.length - targetStart < end - start) { + end = target.length - targetStart + start; + } + + var len = end - start; + var i; + + if (this === target && start < targetStart && targetStart < end) { + // descending copy from end + for (i = len - 1; i >= 0; --i) { + target[i + targetStart] = this[i + start]; + } + } else if (len < 1000 || !Buffer.TYPED_ARRAY_SUPPORT) { + // ascending copy from start + for (i = 0; i < len; ++i) { + target[i + targetStart] = this[i + start]; + } + } else { + Uint8Array.prototype.set.call( + target, + this.subarray(start, start + len), + targetStart + ); + } + + return len + }; + + // Usage: + // buffer.fill(number[, offset[, end]]) + // buffer.fill(buffer[, offset[, end]]) + // buffer.fill(string[, offset[, end]][, encoding]) + Buffer.prototype.fill = function fill (val, start, end, encoding) { + // Handle string cases: + if (typeof val === 'string') { + if (typeof start === 'string') { + encoding = start; + start = 0; + end = this.length; + } else if (typeof end === 'string') { + encoding = end; + end = this.length; + } + if (val.length === 1) { + var code = val.charCodeAt(0); + if (code < 256) { + val = code; + } + } + if (encoding !== undefined && typeof encoding !== 'string') { + throw new TypeError('encoding must be a string') + } + if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) { + throw new TypeError('Unknown encoding: ' + encoding) + } + } else if (typeof val === 'number') { + val = val & 255; + } + + // Invalid ranges are not set to a default, so can range check early. + if (start < 0 || this.length < start || this.length < end) { + throw new RangeError('Out of range index') + } + + if (end <= start) { + return this + } + + start = start >>> 0; + end = end === undefined ? this.length : end >>> 0; + + if (!val) val = 0; + + var i; + if (typeof val === 'number') { + for (i = start; i < end; ++i) { + this[i] = val; + } + } else { + var bytes = internalIsBuffer(val) + ? val + : utf8ToBytes(new Buffer(val, encoding).toString()); + var len = bytes.length; + for (i = 0; i < end - start; ++i) { + this[i + start] = bytes[i % len]; + } + } + + return this + }; + + // HELPER FUNCTIONS + // ================ + + var INVALID_BASE64_RE = /[^+\/0-9A-Za-z-_]/g; + + function base64clean (str) { + // Node strips out invalid characters like \n and \t from the string, base64-js does not + str = stringtrim(str).replace(INVALID_BASE64_RE, ''); + // Node converts strings with length < 2 to '' + if (str.length < 2) return '' + // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not + while (str.length % 4 !== 0) { + str = str + '='; + } + return str + } + + function stringtrim (str) { + if (str.trim) return str.trim() + return str.replace(/^\s+|\s+$/g, '') + } + + function toHex (n) { + if (n < 16) return '0' + n.toString(16) + return n.toString(16) + } + + function utf8ToBytes (string, units) { + units = units || Infinity; + var codePoint; + var length = string.length; + var leadSurrogate = null; + var bytes = []; + + for (var i = 0; i < length; ++i) { + codePoint = string.charCodeAt(i); + + // is surrogate component + if (codePoint > 0xD7FF && codePoint < 0xE000) { + // last char was a lead + if (!leadSurrogate) { + // no lead yet + if (codePoint > 0xDBFF) { + // unexpected trail + if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD); + continue + } else if (i + 1 === length) { + // unpaired lead + if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD); + continue + } + + // valid lead + leadSurrogate = codePoint; + + continue + } + + // 2 leads in a row + if (codePoint < 0xDC00) { + if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD); + leadSurrogate = codePoint; + continue + } + + // valid surrogate pair + codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000; + } else if (leadSurrogate) { + // valid bmp char, but last char was a lead + if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD); + } + + leadSurrogate = null; + + // encode utf8 + if (codePoint < 0x80) { + if ((units -= 1) < 0) break + bytes.push(codePoint); + } else if (codePoint < 0x800) { + if ((units -= 2) < 0) break + bytes.push( + codePoint >> 0x6 | 0xC0, + codePoint & 0x3F | 0x80 + ); + } else if (codePoint < 0x10000) { + if ((units -= 3) < 0) break + bytes.push( + codePoint >> 0xC | 0xE0, + codePoint >> 0x6 & 0x3F | 0x80, + codePoint & 0x3F | 0x80 + ); + } else if (codePoint < 0x110000) { + if ((units -= 4) < 0) break + bytes.push( + codePoint >> 0x12 | 0xF0, + codePoint >> 0xC & 0x3F | 0x80, + codePoint >> 0x6 & 0x3F | 0x80, + codePoint & 0x3F | 0x80 + ); + } else { + throw new Error('Invalid code point') + } + } + + return bytes + } + + function asciiToBytes (str) { + var byteArray = []; + for (var i = 0; i < str.length; ++i) { + // Node's code seems to be doing this and not & 0x7F.. + byteArray.push(str.charCodeAt(i) & 0xFF); + } + return byteArray + } + + function utf16leToBytes (str, units) { + var c, hi, lo; + var byteArray = []; + for (var i = 0; i < str.length; ++i) { + if ((units -= 2) < 0) break + + c = str.charCodeAt(i); + hi = c >> 8; + lo = c % 256; + byteArray.push(lo); + byteArray.push(hi); + } + + return byteArray + } + + + function base64ToBytes (str) { + return toByteArray(base64clean(str)) + } + + function blitBuffer (src, dst, offset, length) { + for (var i = 0; i < length; ++i) { + if ((i + offset >= dst.length) || (i >= src.length)) break + dst[i + offset] = src[i]; + } + return i + } + + function isnan (val) { + return val !== val // eslint-disable-line no-self-compare + } + + + // the following is from is-buffer, also by Feross Aboukhadijeh and with same lisence + // The _isBuffer check is for Safari 5-7 support, because it's missing + // Object.prototype.constructor. Remove this eventually + function isBuffer(obj) { + return obj != null && (!!obj._isBuffer || isFastBuffer(obj) || isSlowBuffer(obj)) + } + + function isFastBuffer (obj) { + return !!obj.constructor && typeof obj.constructor.isBuffer === 'function' && obj.constructor.isBuffer(obj) + } + + // For Node v0.10 support. Remove this eventually. + function isSlowBuffer (obj) { + return typeof obj.readFloatLE === 'function' && typeof obj.slice === 'function' && isFastBuffer(obj.slice(0, 0)) + } + + var browser$2 = true; + + var utils$3 = {}; + + var he = {exports: {}}; + + /*! https://mths.be/he v1.2.0 by @mathias | MIT license */ + + (function (module, exports) { + (function(root) { + + // Detect free variables `exports`. + var freeExports = exports; + + // Detect free variable `module`. + var freeModule = module && + module.exports == freeExports && module; + + // Detect free variable `global`, from Node.js or Browserified code, + // and use it as `root`. + var freeGlobal = typeof commonjsGlobal == 'object' && commonjsGlobal; + if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) { + root = freeGlobal; + } + + /*--------------------------------------------------------------------------*/ + + // All astral symbols. + var regexAstralSymbols = /[\uD800-\uDBFF][\uDC00-\uDFFF]/g; + // All ASCII symbols (not just printable ASCII) except those listed in the + // first column of the overrides table. + // https://html.spec.whatwg.org/multipage/syntax.html#table-charref-overrides + var regexAsciiWhitelist = /[\x01-\x7F]/g; + // All BMP symbols that are not ASCII newlines, printable ASCII symbols, or + // code points listed in the first column of the overrides table on + // https://html.spec.whatwg.org/multipage/syntax.html#table-charref-overrides. + var regexBmpWhitelist = /[\x01-\t\x0B\f\x0E-\x1F\x7F\x81\x8D\x8F\x90\x9D\xA0-\uFFFF]/g; + + var regexEncodeNonAscii = /<\u20D2|=\u20E5|>\u20D2|\u205F\u200A|\u219D\u0338|\u2202\u0338|\u2220\u20D2|\u2229\uFE00|\u222A\uFE00|\u223C\u20D2|\u223D\u0331|\u223E\u0333|\u2242\u0338|\u224B\u0338|\u224D\u20D2|\u224E\u0338|\u224F\u0338|\u2250\u0338|\u2261\u20E5|\u2264\u20D2|\u2265\u20D2|\u2266\u0338|\u2267\u0338|\u2268\uFE00|\u2269\uFE00|\u226A\u0338|\u226A\u20D2|\u226B\u0338|\u226B\u20D2|\u227F\u0338|\u2282\u20D2|\u2283\u20D2|\u228A\uFE00|\u228B\uFE00|\u228F\u0338|\u2290\u0338|\u2293\uFE00|\u2294\uFE00|\u22B4\u20D2|\u22B5\u20D2|\u22D8\u0338|\u22D9\u0338|\u22DA\uFE00|\u22DB\uFE00|\u22F5\u0338|\u22F9\u0338|\u2933\u0338|\u29CF\u0338|\u29D0\u0338|\u2A6D\u0338|\u2A70\u0338|\u2A7D\u0338|\u2A7E\u0338|\u2AA1\u0338|\u2AA2\u0338|\u2AAC\uFE00|\u2AAD\uFE00|\u2AAF\u0338|\u2AB0\u0338|\u2AC5\u0338|\u2AC6\u0338|\u2ACB\uFE00|\u2ACC\uFE00|\u2AFD\u20E5|[\xA0-\u0113\u0116-\u0122\u0124-\u012B\u012E-\u014D\u0150-\u017E\u0192\u01B5\u01F5\u0237\u02C6\u02C7\u02D8-\u02DD\u0311\u0391-\u03A1\u03A3-\u03A9\u03B1-\u03C9\u03D1\u03D2\u03D5\u03D6\u03DC\u03DD\u03F0\u03F1\u03F5\u03F6\u0401-\u040C\u040E-\u044F\u0451-\u045C\u045E\u045F\u2002-\u2005\u2007-\u2010\u2013-\u2016\u2018-\u201A\u201C-\u201E\u2020-\u2022\u2025\u2026\u2030-\u2035\u2039\u203A\u203E\u2041\u2043\u2044\u204F\u2057\u205F-\u2063\u20AC\u20DB\u20DC\u2102\u2105\u210A-\u2113\u2115-\u211E\u2122\u2124\u2127-\u2129\u212C\u212D\u212F-\u2131\u2133-\u2138\u2145-\u2148\u2153-\u215E\u2190-\u219B\u219D-\u21A7\u21A9-\u21AE\u21B0-\u21B3\u21B5-\u21B7\u21BA-\u21DB\u21DD\u21E4\u21E5\u21F5\u21FD-\u2205\u2207-\u2209\u220B\u220C\u220F-\u2214\u2216-\u2218\u221A\u221D-\u2238\u223A-\u2257\u2259\u225A\u225C\u225F-\u2262\u2264-\u228B\u228D-\u229B\u229D-\u22A5\u22A7-\u22B0\u22B2-\u22BB\u22BD-\u22DB\u22DE-\u22E3\u22E6-\u22F7\u22F9-\u22FE\u2305\u2306\u2308-\u2310\u2312\u2313\u2315\u2316\u231C-\u231F\u2322\u2323\u232D\u232E\u2336\u233D\u233F\u237C\u23B0\u23B1\u23B4-\u23B6\u23DC-\u23DF\u23E2\u23E7\u2423\u24C8\u2500\u2502\u250C\u2510\u2514\u2518\u251C\u2524\u252C\u2534\u253C\u2550-\u256C\u2580\u2584\u2588\u2591-\u2593\u25A1\u25AA\u25AB\u25AD\u25AE\u25B1\u25B3-\u25B5\u25B8\u25B9\u25BD-\u25BF\u25C2\u25C3\u25CA\u25CB\u25EC\u25EF\u25F8-\u25FC\u2605\u2606\u260E\u2640\u2642\u2660\u2663\u2665\u2666\u266A\u266D-\u266F\u2713\u2717\u2720\u2736\u2758\u2772\u2773\u27C8\u27C9\u27E6-\u27ED\u27F5-\u27FA\u27FC\u27FF\u2902-\u2905\u290C-\u2913\u2916\u2919-\u2920\u2923-\u292A\u2933\u2935-\u2939\u293C\u293D\u2945\u2948-\u294B\u294E-\u2976\u2978\u2979\u297B-\u297F\u2985\u2986\u298B-\u2996\u299A\u299C\u299D\u29A4-\u29B7\u29B9\u29BB\u29BC\u29BE-\u29C5\u29C9\u29CD-\u29D0\u29DC-\u29DE\u29E3-\u29E5\u29EB\u29F4\u29F6\u2A00-\u2A02\u2A04\u2A06\u2A0C\u2A0D\u2A10-\u2A17\u2A22-\u2A27\u2A29\u2A2A\u2A2D-\u2A31\u2A33-\u2A3C\u2A3F\u2A40\u2A42-\u2A4D\u2A50\u2A53-\u2A58\u2A5A-\u2A5D\u2A5F\u2A66\u2A6A\u2A6D-\u2A75\u2A77-\u2A9A\u2A9D-\u2AA2\u2AA4-\u2AB0\u2AB3-\u2AC8\u2ACB\u2ACC\u2ACF-\u2ADB\u2AE4\u2AE6-\u2AE9\u2AEB-\u2AF3\u2AFD\uFB00-\uFB04]|\uD835[\uDC9C\uDC9E\uDC9F\uDCA2\uDCA5\uDCA6\uDCA9-\uDCAC\uDCAE-\uDCB9\uDCBB\uDCBD-\uDCC3\uDCC5-\uDCCF\uDD04\uDD05\uDD07-\uDD0A\uDD0D-\uDD14\uDD16-\uDD1C\uDD1E-\uDD39\uDD3B-\uDD3E\uDD40-\uDD44\uDD46\uDD4A-\uDD50\uDD52-\uDD6B]/g; + var encodeMap = 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','\u2A73':'Esim','\u2A77':'eDDot','\u2A78':'equivDD','\u2A79':'ltcir','\u2A7A':'gtcir','\u2A7B':'ltquest','\u2A7C':'gtquest','\u2A7D':'les','\u2A7D\u0338':'nles','\u2A7E':'ges','\u2A7E\u0338':'nges','\u2A7F':'lesdot','\u2A80':'gesdot','\u2A81':'lesdoto','\u2A82':'gesdoto','\u2A83':'lesdotor','\u2A84':'gesdotol','\u2A85':'lap','\u2A86':'gap','\u2A87':'lne','\u2A88':'gne','\u2A89':'lnap','\u2A8A':'gnap','\u2A8B':'lEg','\u2A8C':'gEl','\u2A8D':'lsime','\u2A8E':'gsime','\u2A8F':'lsimg','\u2A90':'gsiml','\u2A91':'lgE','\u2A92':'glE','\u2A93':'lesges','\u2A94':'gesles','\u2A95':'els','\u2A96':'egs','\u2A97':'elsdot','\u2A98':'egsdot','\u2A99':'el','\u2A9A':'eg','\u2A9D':'siml','\u2A9E':'simg','\u2A9F':'simlE','\u2AA0':'simgE','\u2AA1':'LessLess','\u2AA1\u0338':'NotNestedLessLess','\u2AA2':'GreaterGreater','\u2AA2\u0338':'NotNestedGreaterGreater','\u2AA4':'glj','\u2AA5':'gla','\u2AA6':'ltcc','\u2AA7':'gtcc','\u2AA8':'lescc','\u2AA9':'gescc','\u2AAA':'smt','\u2AAB':'lat','\u2AAC':'smte','\u2AAC\uFE00':'smtes','\u2AAD':'late','\u2AAD\uFE00':'lates','\u2AAE':'bumpE','\u2AAF':'pre','\u2AAF\u0338':'npre','\u2AB0':'sce','\u2AB0\u0338':'nsce','\u2AB3':'prE','\u2AB4':'scE','\u2AB5':'prnE','\u2AB6':'scnE','\u2AB7':'prap','\u2AB8':'scap','\u2AB9':'prnap','\u2ABA':'scnap','\u2ABB':'Pr','\u2ABC':'Sc','\u2ABD':'subdot','\u2ABE':'supdot','\u2ABF':'subplus','\u2AC0':'supplus','\u2AC1':'submult','\u2AC2':'supmult','\u2AC3':'subedot','\u2AC4':'supedot','\u2AC5':'subE','\u2AC5\u0338':'nsubE','\u2AC6':'supE','\u2AC6\u0338':'nsupE','\u2AC7':'subsim','\u2AC8':'supsim','\u2ACB\uFE00':'vsubnE','\u2ACB':'subnE','\u2ACC\uFE00':'vsupnE','\u2ACC':'supnE','\u2ACF':'csub','\u2AD0':'csup','\u2AD1':'csube','\u2AD2':'csupe','\u2AD3':'subsup','\u2AD4':'supsub','\u2AD5':'subsub','\u2AD6':'supsup','\u2AD7':'suphsub','\u2AD8':'supdsub','\u2AD9':'forkv','\u2ADA':'topfork','\u2ADB':'mlcp','\u2AE4':'Dashv','\u2AE6':'Vdashl','\u2AE7':'Barv','\u2AE8':'vBar','\u2AE9':'vBarv','\u2AEB':'Vbar','\u2AEC':'Not','\u2AED':'bNot','\u2AEE':'rnmid','\u2AEF':'cirmid','\u2AF0':'midcir','\u2AF1':'topcir','\u2AF2':'nhpar','\u2AF3':'parsim','\u2AFD':'parsl','\u2AFD\u20E5':'nparsl','\u266D':'flat','\u266E':'natur','\u266F':'sharp','\xA4':'curren','\xA2':'cent','$':'dollar','\xA3':'pound','\xA5':'yen','\u20AC':'euro','\xB9':'sup1','\xBD':'half','\u2153':'frac13','\xBC':'frac14','\u2155':'frac15','\u2159':'frac16','\u215B':'frac18','\xB2':'sup2','\u2154':'frac23','\u2156':'frac25','\xB3':'sup3','\xBE':'frac34','\u2157':'frac35','\u215C':'frac38','\u2158':'frac45','\u215A':'frac56','\u215D':'frac58','\u215E':'frac78','\uD835\uDCB6':'ascr','\uD835\uDD52':'aopf','\uD835\uDD1E':'afr','\uD835\uDD38':'Aopf','\uD835\uDD04':'Afr','\uD835\uDC9C':'Ascr','\xAA':'ordf','\xE1':'aacute','\xC1':'Aacute','\xE0':'agrave','\xC0':'Agrave','\u0103':'abreve','\u0102':'Abreve','\xE2':'acirc','\xC2':'Acirc','\xE5':'aring','\xC5':'angst','\xE4':'auml','\xC4':'Auml','\xE3':'atilde','\xC3':'Atilde','\u0105':'aogon','\u0104':'Aogon','\u0101':'amacr','\u0100':'Amacr','\xE6':'aelig','\xC6':'AElig','\uD835\uDCB7':'bscr','\uD835\uDD53':'bopf','\uD835\uDD1F':'bfr','\uD835\uDD39':'Bopf','\u212C':'Bscr','\uD835\uDD05':'Bfr','\uD835\uDD20':'cfr','\uD835\uDCB8':'cscr','\uD835\uDD54':'copf','\u212D':'Cfr','\uD835\uDC9E':'Cscr','\u2102':'Copf','\u0107':'cacute','\u0106':'Cacute','\u0109':'ccirc','\u0108':'Ccirc','\u010D':'ccaron','\u010C':'Ccaron','\u010B':'cdot','\u010A':'Cdot','\xE7':'ccedil','\xC7':'Ccedil','\u2105':'incare','\uD835\uDD21':'dfr','\u2146':'dd','\uD835\uDD55':'dopf','\uD835\uDCB9':'dscr','\uD835\uDC9F':'Dscr','\uD835\uDD07':'Dfr','\u2145':'DD','\uD835\uDD3B':'Dopf','\u010F':'dcaron','\u010E':'Dcaron','\u0111':'dstrok','\u0110':'Dstrok','\xF0':'eth','\xD0':'ETH','\u2147':'ee','\u212F':'escr','\uD835\uDD22':'efr','\uD835\uDD56':'eopf','\u2130':'Escr','\uD835\uDD08':'Efr','\uD835\uDD3C':'Eopf','\xE9':'eacute','\xC9':'Eacute','\xE8':'egrave','\xC8':'Egrave','\xEA':'ecirc','\xCA':'Ecirc','\u011B':'ecaron','\u011A':'Ecaron','\xEB':'euml','\xCB':'Euml','\u0117':'edot','\u0116':'Edot','\u0119':'eogon','\u0118':'Eogon','\u0113':'emacr','\u0112':'Emacr','\uD835\uDD23':'ffr','\uD835\uDD57':'fopf','\uD835\uDCBB':'fscr','\uD835\uDD09':'Ffr','\uD835\uDD3D':'Fopf','\u2131':'Fscr','\uFB00':'fflig','\uFB03':'ffilig','\uFB04':'ffllig','\uFB01':'filig','fj':'fjlig','\uFB02':'fllig','\u0192':'fnof','\u210A':'gscr','\uD835\uDD58':'gopf','\uD835\uDD24':'gfr','\uD835\uDCA2':'Gscr','\uD835\uDD3E':'Gopf','\uD835\uDD0A':'Gfr','\u01F5':'gacute','\u011F':'gbreve','\u011E':'Gbreve','\u011D':'gcirc','\u011C':'Gcirc','\u0121':'gdot','\u0120':'Gdot','\u0122':'Gcedil','\uD835\uDD25':'hfr','\u210E':'planckh','\uD835\uDCBD':'hscr','\uD835\uDD59':'hopf','\u210B':'Hscr','\u210C':'Hfr','\u210D':'Hopf','\u0125':'hcirc','\u0124':'Hcirc','\u210F':'hbar','\u0127':'hstrok','\u0126':'Hstrok','\uD835\uDD5A':'iopf','\uD835\uDD26':'ifr','\uD835\uDCBE':'iscr','\u2148':'ii','\uD835\uDD40':'Iopf','\u2110':'Iscr','\u2111':'Im','\xED':'iacute','\xCD':'Iacute','\xEC':'igrave','\xCC':'Igrave','\xEE':'icirc','\xCE':'Icirc','\xEF':'iuml','\xCF':'Iuml','\u0129':'itilde','\u0128':'Itilde','\u0130':'Idot','\u012F':'iogon','\u012E':'Iogon','\u012B':'imacr','\u012A':'Imacr','\u0133':'ijlig','\u0132':'IJlig','\u0131':'imath','\uD835\uDCBF':'jscr','\uD835\uDD5B':'jopf','\uD835\uDD27':'jfr','\uD835\uDCA5':'Jscr','\uD835\uDD0D':'Jfr','\uD835\uDD41':'Jopf','\u0135':'jcirc','\u0134':'Jcirc','\u0237':'jmath','\uD835\uDD5C':'kopf','\uD835\uDCC0':'kscr','\uD835\uDD28':'kfr','\uD835\uDCA6':'Kscr','\uD835\uDD42':'Kopf','\uD835\uDD0E':'Kfr','\u0137':'kcedil','\u0136':'Kcedil','\uD835\uDD29':'lfr','\uD835\uDCC1':'lscr','\u2113':'ell','\uD835\uDD5D':'lopf','\u2112':'Lscr','\uD835\uDD0F':'Lfr','\uD835\uDD43':'Lopf','\u013A':'lacute','\u0139':'Lacute','\u013E':'lcaron','\u013D':'Lcaron','\u013C':'lcedil','\u013B':'Lcedil','\u0142':'lstrok','\u0141':'Lstrok','\u0140':'lmidot','\u013F':'Lmidot','\uD835\uDD2A':'mfr','\uD835\uDD5E':'mopf','\uD835\uDCC2':'mscr','\uD835\uDD10':'Mfr','\uD835\uDD44':'Mopf','\u2133':'Mscr','\uD835\uDD2B':'nfr','\uD835\uDD5F':'nopf','\uD835\uDCC3':'nscr','\u2115':'Nopf','\uD835\uDCA9':'Nscr','\uD835\uDD11':'Nfr','\u0144':'nacute','\u0143':'Nacute','\u0148':'ncaron','\u0147':'Ncaron','\xF1':'ntilde','\xD1':'Ntilde','\u0146':'ncedil','\u0145':'Ncedil','\u2116':'numero','\u014B':'eng','\u014A':'ENG','\uD835\uDD60':'oopf','\uD835\uDD2C':'ofr','\u2134':'oscr','\uD835\uDCAA':'Oscr','\uD835\uDD12':'Ofr','\uD835\uDD46':'Oopf','\xBA':'ordm','\xF3':'oacute','\xD3':'Oacute','\xF2':'ograve','\xD2':'Ograve','\xF4':'ocirc','\xD4':'Ocirc','\xF6':'ouml','\xD6':'Ouml','\u0151':'odblac','\u0150':'Odblac','\xF5':'otilde','\xD5':'Otilde','\xF8':'oslash','\xD8':'Oslash','\u014D':'omacr','\u014C':'Omacr','\u0153':'oelig','\u0152':'OElig','\uD835\uDD2D':'pfr','\uD835\uDCC5':'pscr','\uD835\uDD61':'popf','\u2119':'Popf','\uD835\uDD13':'Pfr','\uD835\uDCAB':'Pscr','\uD835\uDD62':'qopf','\uD835\uDD2E':'qfr','\uD835\uDCC6':'qscr','\uD835\uDCAC':'Qscr','\uD835\uDD14':'Qfr','\u211A':'Qopf','\u0138':'kgreen','\uD835\uDD2F':'rfr','\uD835\uDD63':'ropf','\uD835\uDCC7':'rscr','\u211B':'Rscr','\u211C':'Re','\u211D':'Ropf','\u0155':'racute','\u0154':'Racute','\u0159':'rcaron','\u0158':'Rcaron','\u0157':'rcedil','\u0156':'Rcedil','\uD835\uDD64':'sopf','\uD835\uDCC8':'sscr','\uD835\uDD30':'sfr','\uD835\uDD4A':'Sopf','\uD835\uDD16':'Sfr','\uD835\uDCAE':'Sscr','\u24C8':'oS','\u015B':'sacute','\u015A':'Sacute','\u015D':'scirc','\u015C':'Scirc','\u0161':'scaron','\u0160':'Scaron','\u015F':'scedil','\u015E':'Scedil','\xDF':'szlig','\uD835\uDD31':'tfr','\uD835\uDCC9':'tscr','\uD835\uDD65':'topf','\uD835\uDCAF':'Tscr','\uD835\uDD17':'Tfr','\uD835\uDD4B':'Topf','\u0165':'tcaron','\u0164':'Tcaron','\u0163':'tcedil','\u0162':'Tcedil','\u2122':'trade','\u0167':'tstrok','\u0166':'Tstrok','\uD835\uDCCA':'uscr','\uD835\uDD66':'uopf','\uD835\uDD32':'ufr','\uD835\uDD4C':'Uopf','\uD835\uDD18':'Ufr','\uD835\uDCB0':'Uscr','\xFA':'uacute','\xDA':'Uacute','\xF9':'ugrave','\xD9':'Ugrave','\u016D':'ubreve','\u016C':'Ubreve','\xFB':'ucirc','\xDB':'Ucirc','\u016F':'uring','\u016E':'Uring','\xFC':'uuml','\xDC':'Uuml','\u0171':'udblac','\u0170':'Udblac','\u0169':'utilde','\u0168':'Utilde','\u0173':'uogon','\u0172':'Uogon','\u016B':'umacr','\u016A':'Umacr','\uD835\uDD33':'vfr','\uD835\uDD67':'vopf','\uD835\uDCCB':'vscr','\uD835\uDD19':'Vfr','\uD835\uDD4D':'Vopf','\uD835\uDCB1':'Vscr','\uD835\uDD68':'wopf','\uD835\uDCCC':'wscr','\uD835\uDD34':'wfr','\uD835\uDCB2':'Wscr','\uD835\uDD4E':'Wopf','\uD835\uDD1A':'Wfr','\u0175':'wcirc','\u0174':'Wcirc','\uD835\uDD35':'xfr','\uD835\uDCCD':'xscr','\uD835\uDD69':'xopf','\uD835\uDD4F':'Xopf','\uD835\uDD1B':'Xfr','\uD835\uDCB3':'Xscr','\uD835\uDD36':'yfr','\uD835\uDCCE':'yscr','\uD835\uDD6A':'yopf','\uD835\uDCB4':'Yscr','\uD835\uDD1C':'Yfr','\uD835\uDD50':'Yopf','\xFD':'yacute','\xDD':'Yacute','\u0177':'ycirc','\u0176':'Ycirc','\xFF':'yuml','\u0178':'Yuml','\uD835\uDCCF':'zscr','\uD835\uDD37':'zfr','\uD835\uDD6B':'zopf','\u2128':'Zfr','\u2124':'Zopf','\uD835\uDCB5':'Zscr','\u017A':'zacute','\u0179':'Zacute','\u017E':'zcaron','\u017D':'Zcaron','\u017C':'zdot','\u017B':'Zdot','\u01B5':'imped','\xFE':'thorn','\xDE':'THORN','\u0149':'napos','\u03B1':'alpha','\u0391':'Alpha','\u03B2':'beta','\u0392':'Beta','\u03B3':'gamma','\u0393':'Gamma','\u03B4':'delta','\u0394':'Delta','\u03B5':'epsi','\u03F5':'epsiv','\u0395':'Epsilon','\u03DD':'gammad','\u03DC':'Gammad','\u03B6':'zeta','\u0396':'Zeta','\u03B7':'eta','\u0397':'Eta','\u03B8':'theta','\u03D1':'thetav','\u0398':'Theta','\u03B9':'iota','\u0399':'Iota','\u03BA':'kappa','\u03F0':'kappav','\u039A':'Kappa','\u03BB':'lambda','\u039B':'Lambda','\u03BC':'mu','\xB5':'micro','\u039C':'Mu','\u03BD':'nu','\u039D':'Nu','\u03BE':'xi','\u039E':'Xi','\u03BF':'omicron','\u039F':'Omicron','\u03C0':'pi','\u03D6':'piv','\u03A0':'Pi','\u03C1':'rho','\u03F1':'rhov','\u03A1':'Rho','\u03C3':'sigma','\u03A3':'Sigma','\u03C2':'sigmaf','\u03C4':'tau','\u03A4':'Tau','\u03C5':'upsi','\u03A5':'Upsilon','\u03D2':'Upsi','\u03C6':'phi','\u03D5':'phiv','\u03A6':'Phi','\u03C7':'chi','\u03A7':'Chi','\u03C8':'psi','\u03A8':'Psi','\u03C9':'omega','\u03A9':'ohm','\u0430':'acy','\u0410':'Acy','\u0431':'bcy','\u0411':'Bcy','\u0432':'vcy','\u0412':'Vcy','\u0433':'gcy','\u0413':'Gcy','\u0453':'gjcy','\u0403':'GJcy','\u0434':'dcy','\u0414':'Dcy','\u0452':'djcy','\u0402':'DJcy','\u0435':'iecy','\u0415':'IEcy','\u0451':'iocy','\u0401':'IOcy','\u0454':'jukcy','\u0404':'Jukcy','\u0436':'zhcy','\u0416':'ZHcy','\u0437':'zcy','\u0417':'Zcy','\u0455':'dscy','\u0405':'DScy','\u0438':'icy','\u0418':'Icy','\u0456':'iukcy','\u0406':'Iukcy','\u0457':'yicy','\u0407':'YIcy','\u0439':'jcy','\u0419':'Jcy','\u0458':'jsercy','\u0408':'Jsercy','\u043A':'kcy','\u041A':'Kcy','\u045C':'kjcy','\u040C':'KJcy','\u043B':'lcy','\u041B':'Lcy','\u0459':'ljcy','\u0409':'LJcy','\u043C':'mcy','\u041C':'Mcy','\u043D':'ncy','\u041D':'Ncy','\u045A':'njcy','\u040A':'NJcy','\u043E':'ocy','\u041E':'Ocy','\u043F':'pcy','\u041F':'Pcy','\u0440':'rcy','\u0420':'Rcy','\u0441':'scy','\u0421':'Scy','\u0442':'tcy','\u0422':'Tcy','\u045B':'tshcy','\u040B':'TSHcy','\u0443':'ucy','\u0423':'Ucy','\u045E':'ubrcy','\u040E':'Ubrcy','\u0444':'fcy','\u0424':'Fcy','\u0445':'khcy','\u0425':'KHcy','\u0446':'tscy','\u0426':'TScy','\u0447':'chcy','\u0427':'CHcy','\u045F':'dzcy','\u040F':'DZcy','\u0448':'shcy','\u0428':'SHcy','\u0449':'shchcy','\u0429':'SHCHcy','\u044A':'hardcy','\u042A':'HARDcy','\u044B':'ycy','\u042B':'Ycy','\u044C':'softcy','\u042C':'SOFTcy','\u044D':'ecy','\u042D':'Ecy','\u044E':'yucy','\u042E':'YUcy','\u044F':'yacy','\u042F':'YAcy','\u2135':'aleph','\u2136':'beth','\u2137':'gimel','\u2138':'daleth'}; + + var regexEscape = /["&'<>`]/g; + var escapeMap = { + '"': '"', + '&': '&', + '\'': ''', + '<': '<', + // See https://mathiasbynens.be/notes/ambiguous-ampersands: in HTML, the + // following is not strictly necessary unless it’s part of a tag or an + // unquoted attribute value. We’re only escaping it to support those + // situations, and for XML support. + '>': '>', + // In Internet Explorer ≤ 8, the backtick character can be used + // to break out of (un)quoted attribute values or HTML comments. + // See http://html5sec.org/#102, http://html5sec.org/#108, and + // http://html5sec.org/#133. + '`': '`' + }; + + var regexInvalidEntity = /&#(?:[xX][^a-fA-F0-9]|[^0-9xX])/; + var regexInvalidRawCodePoint = /[\0-\x08\x0B\x0E-\x1F\x7F-\x9F\uFDD0-\uFDEF\uFFFE\uFFFF]|[\uD83F\uD87F\uD8BF\uD8FF\uD93F\uD97F\uD9BF\uD9FF\uDA3F\uDA7F\uDABF\uDAFF\uDB3F\uDB7F\uDBBF\uDBFF][\uDFFE\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]/; + var regexDecode = /&(CounterClockwiseContourIntegral|DoubleLongLeftRightArrow|ClockwiseContourIntegral|NotNestedGreaterGreater|NotSquareSupersetEqual|DiacriticalDoubleAcute|NotRightTriangleEqual|NotSucceedsSlantEqual|NotPrecedesSlantEqual|CloseCurlyDoubleQuote|NegativeVeryThinSpace|DoubleContourIntegral|FilledVerySmallSquare|CapitalDifferentialD|OpenCurlyDoubleQuote|EmptyVerySmallSquare|NestedGreaterGreater|DoubleLongRightArrow|NotLeftTriangleEqual|NotGreaterSlantEqual|ReverseUpEquilibrium|DoubleLeftRightArrow|NotSquareSubsetEqual|NotDoubleVerticalBar|RightArrowLeftArrow|NotGreaterFullEqual|NotRightTriangleBar|SquareSupersetEqual|DownLeftRightVector|DoubleLongLeftArrow|leftrightsquigarrow|LeftArrowRightArrow|NegativeMediumSpace|blacktriangleright|RightDownVectorBar|PrecedesSlantEqual|RightDoubleBracket|SucceedsSlantEqual|NotLeftTriangleBar|RightTriangleEqual|SquareIntersection|RightDownTeeVector|ReverseEquilibrium|NegativeThickSpace|longleftrightarrow|Longleftrightarrow|LongLeftRightArrow|DownRightTeeVector|DownRightVectorBar|GreaterSlantEqual|SquareSubsetEqual|LeftDownVectorBar|LeftDoubleBracket|VerticalSeparator|rightleftharpoons|NotGreaterGreater|NotSquareSuperset|blacktriangleleft|blacktriangledown|NegativeThinSpace|LeftDownTeeVector|NotLessSlantEqual|leftrightharpoons|DoubleUpDownArrow|DoubleVerticalBar|LeftTriangleEqual|FilledSmallSquare|twoheadrightarrow|NotNestedLessLess|DownLeftTeeVector|DownLeftVectorBar|RightAngleBracket|NotTildeFullEqual|NotReverseElement|RightUpDownVector|DiacriticalTilde|NotSucceedsTilde|circlearrowright|NotPrecedesEqual|rightharpoondown|DoubleRightArrow|NotSucceedsEqual|NonBreakingSpace|NotRightTriangle|LessEqualGreater|RightUpTeeVector|LeftAngleBracket|GreaterFullEqual|DownArrowUpArrow|RightUpVectorBar|twoheadleftarrow|GreaterEqualLess|downharpoonright|RightTriangleBar|ntrianglerighteq|NotSupersetEqual|LeftUpDownVector|DiacriticalAcute|rightrightarrows|vartriangleright|UpArrowDownArrow|DiacriticalGrave|UnderParenthesis|EmptySmallSquare|LeftUpVectorBar|leftrightarrows|DownRightVector|downharpoonleft|trianglerighteq|ShortRightArrow|OverParenthesis|DoubleLeftArrow|DoubleDownArrow|NotSquareSubset|bigtriangledown|ntrianglelefteq|UpperRightArrow|curvearrowright|vartriangleleft|NotLeftTriangle|nleftrightarrow|LowerRightArrow|NotHumpDownHump|NotGreaterTilde|rightthreetimes|LeftUpTeeVector|NotGreaterEqual|straightepsilon|LeftTriangleBar|rightsquigarrow|ContourIntegral|rightleftarrows|CloseCurlyQuote|RightDownVector|LeftRightVector|nLeftrightarrow|leftharpoondown|circlearrowleft|SquareSuperset|OpenCurlyQuote|hookrightarrow|HorizontalLine|DiacriticalDot|NotLessGreater|ntriangleright|DoubleRightTee|InvisibleComma|InvisibleTimes|LowerLeftArrow|DownLeftVector|NotSubsetEqual|curvearrowleft|trianglelefteq|NotVerticalBar|TildeFullEqual|downdownarrows|NotGreaterLess|RightTeeVector|ZeroWidthSpace|looparrowright|LongRightArrow|doublebarwedge|ShortLeftArrow|ShortDownArrow|RightVectorBar|GreaterGreater|ReverseElement|rightharpoonup|LessSlantEqual|leftthreetimes|upharpoonright|rightarrowtail|LeftDownVector|Longrightarrow|NestedLessLess|UpperLeftArrow|nshortparallel|leftleftarrows|leftrightarrow|Leftrightarrow|LeftRightArrow|longrightarrow|upharpoonleft|RightArrowBar|ApplyFunction|LeftTeeVector|leftarrowtail|NotEqualTilde|varsubsetneqq|varsupsetneqq|RightTeeArrow|SucceedsEqual|SucceedsTilde|LeftVectorBar|SupersetEqual|hookleftarrow|DifferentialD|VerticalTilde|VeryThinSpace|blacktriangle|bigtriangleup|LessFullEqual|divideontimes|leftharpoonup|UpEquilibrium|ntriangleleft|RightTriangle|measuredangle|shortparallel|longleftarrow|Longleftarrow|LongLeftArrow|DoubleLeftTee|Poincareplane|PrecedesEqual|triangleright|DoubleUpArrow|RightUpVector|fallingdotseq|looparrowleft|PrecedesTilde|NotTildeEqual|NotTildeTilde|smallsetminus|Proportional|triangleleft|triangledown|UnderBracket|NotHumpEqual|exponentiale|ExponentialE|NotLessTilde|HilbertSpace|RightCeiling|blacklozenge|varsupsetneq|HumpDownHump|GreaterEqual|VerticalLine|LeftTeeArrow|NotLessEqual|DownTeeArrow|LeftTriangle|varsubsetneq|Intersection|NotCongruent|DownArrowBar|LeftUpVector|LeftArrowBar|risingdotseq|GreaterTilde|RoundImplies|SquareSubset|ShortUpArrow|NotSuperset|quaternions|precnapprox|backepsilon|preccurlyeq|OverBracket|blacksquare|MediumSpace|VerticalBar|circledcirc|circleddash|CircleMinus|CircleTimes|LessGreater|curlyeqprec|curlyeqsucc|diamondsuit|UpDownArrow|Updownarrow|RuleDelayed|Rrightarrow|updownarrow|RightVector|nRightarrow|nrightarrow|eqslantless|LeftCeiling|Equilibrium|SmallCircle|expectation|NotSucceeds|thickapprox|GreaterLess|SquareUnion|NotPrecedes|NotLessLess|straightphi|succnapprox|succcurlyeq|SubsetEqual|sqsupseteq|Proportion|Laplacetrf|ImaginaryI|supsetneqq|NotGreater|gtreqqless|NotElement|ThickSpace|TildeEqual|TildeTilde|Fouriertrf|rmoustache|EqualTilde|eqslantgtr|UnderBrace|LeftVector|UpArrowBar|nLeftarrow|nsubseteqq|subsetneqq|nsupseteqq|nleftarrow|succapprox|lessapprox|UpTeeArrow|upuparrows|curlywedge|lesseqqgtr|varepsilon|varnothing|RightFloor|c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|Fscr|gdot|gsim|Gscr|gscr|Gopf|gopf|gneq|Gdot|tosa|gnap|Topf|topf|geqq|toea|GJcy|gjcy|tint|gesl|mid|Sfr|ggg|top|ges|gla|glE|glj|geq|gne|gEl|gel|gnE|Gcy|gcy|gap|Tfr|tfr|Tcy|tcy|Hat|Tau|Ffr|tau|Tab|hfr|Hfr|ffr|Fcy|fcy|icy|Icy|iff|ETH|eth|ifr|Ifr|Eta|eta|int|Int|Sup|sup|ucy|Ucy|Sum|sum|jcy|ENG|ufr|Ufr|eng|Jcy|jfr|els|ell|egs|Efr|efr|Jfr|uml|kcy|Kcy|Ecy|ecy|kfr|Kfr|lap|Sub|sub|lat|lcy|Lcy|leg|Dot|dot|lEg|leq|les|squ|div|die|lfr|Lfr|lgE|Dfr|dfr|Del|deg|Dcy|dcy|lne|lnE|sol|loz|smt|Cup|lrm|cup|lsh|Lsh|sim|shy|map|Map|mcy|Mcy|mfr|Mfr|mho|gfr|Gfr|sfr|cir|Chi|chi|nap|Cfr|vcy|Vcy|cfr|Scy|scy|ncy|Ncy|vee|Vee|Cap|cap|nfr|scE|sce|Nfr|nge|ngE|nGg|vfr|Vfr|ngt|bot|nGt|nis|niv|Rsh|rsh|nle|nlE|bne|Bfr|bfr|nLl|nlt|nLt|Bcy|bcy|not|Not|rlm|wfr|Wfr|npr|nsc|num|ocy|ast|Ocy|ofr|xfr|Xfr|Ofr|ogt|ohm|apE|olt|Rho|ape|rho|Rfr|rfr|ord|REG|ang|reg|orv|And|and|AMP|Rcy|amp|Afr|ycy|Ycy|yen|yfr|Yfr|rcy|par|pcy|Pcy|pfr|Pfr|phi|Phi|afr|Acy|acy|zcy|Zcy|piv|acE|acd|zfr|Zfr|pre|prE|psi|Psi|qfr|Qfr|zwj|Or|ge|Gg|gt|gg|el|oS|lt|Lt|LT|Re|lg|gl|eg|ne|Im|it|le|DD|wp|wr|nu|Nu|dd|lE|Sc|sc|pi|Pi|ee|af|ll|Ll|rx|gE|xi|pm|Xi|ic|pr|Pr|in|ni|mp|mu|ac|Mu|or|ap|Gt|GT|ii);|&(Aacute|Agrave|Atilde|Ccedil|Eacute|Egrave|Iacute|Igrave|Ntilde|Oacute|Ograve|Oslash|Otilde|Uacute|Ugrave|Yacute|aacute|agrave|atilde|brvbar|ccedil|curren|divide|eacute|egrave|frac12|frac14|frac34|iacute|igrave|iquest|middot|ntilde|oacute|ograve|oslash|otilde|plusmn|uacute|ugrave|yacute|AElig|Acirc|Aring|Ecirc|Icirc|Ocirc|THORN|Ucirc|acirc|acute|aelig|aring|cedil|ecirc|icirc|iexcl|laquo|micro|ocirc|pound|raquo|szlig|thorn|times|ucirc|Auml|COPY|Euml|Iuml|Ouml|QUOT|Uuml|auml|cent|copy|euml|iuml|macr|nbsp|ordf|ordm|ouml|para|quot|sect|sup1|sup2|sup3|uuml|yuml|AMP|ETH|REG|amp|deg|eth|not|reg|shy|uml|yen|GT|LT|gt|lt)(?!;)([=a-zA-Z0-9]?)|&#([0-9]+)(;?)|&#[xX]([a-fA-F0-9]+)(;?)|&([0-9a-zA-Z]+)/g; + var decodeMap = {'aacute':'\xE1','Aacute':'\xC1','abreve':'\u0103','Abreve':'\u0102','ac':'\u223E','acd':'\u223F','acE':'\u223E\u0333','acirc':'\xE2','Acirc':'\xC2','acute':'\xB4','acy':'\u0430','Acy':'\u0410','aelig':'\xE6','AElig':'\xC6','af':'\u2061','afr':'\uD835\uDD1E','Afr':'\uD835\uDD04','agrave':'\xE0','Agrave':'\xC0','alefsym':'\u2135','aleph':'\u2135','alpha':'\u03B1','Alpha':'\u0391','amacr':'\u0101','Amacr':'\u0100','amalg':'\u2A3F','amp':'&','AMP':'&','and':'\u2227','And':'\u2A53','andand':'\u2A55','andd':'\u2A5C','andslope':'\u2A58','andv':'\u2A5A','ang':'\u2220','ange':'\u29A4','angle':'\u2220','angmsd':'\u2221','angmsdaa':'\u29A8','angmsdab':'\u29A9','angmsdac':'\u29AA','angmsdad':'\u29AB','angmsdae':'\u29AC','angmsdaf':'\u29AD','angmsdag':'\u29AE','angmsdah':'\u29AF','angrt':'\u221F','angrtvb':'\u22BE','angrtvbd':'\u299D','angsph':'\u2222','angst':'\xC5','angzarr':'\u237C','aogon':'\u0105','Aogon':'\u0104','aopf':'\uD835\uDD52','Aopf':'\uD835\uDD38','ap':'\u2248','apacir':'\u2A6F','ape':'\u224A','apE':'\u2A70','apid':'\u224B','apos':'\'','ApplyFunction':'\u2061','approx':'\u2248','approxeq':'\u224A','aring':'\xE5','Aring':'\xC5','ascr':'\uD835\uDCB6','Ascr':'\uD835\uDC9C','Assign':'\u2254','ast':'*','asymp':'\u2248','asympeq':'\u224D','atilde':'\xE3','Atilde':'\xC3','auml':'\xE4','Auml':'\xC4','awconint':'\u2233','awint':'\u2A11','backcong':'\u224C','backepsilon':'\u03F6','backprime':'\u2035','backsim':'\u223D','backsimeq':'\u22CD','Backslash':'\u2216','Barv':'\u2AE7','barvee':'\u22BD','barwed':'\u2305','Barwed':'\u2306','barwedge':'\u2305','bbrk':'\u23B5','bbrktbrk':'\u23B6','bcong':'\u224C','bcy':'\u0431','Bcy':'\u0411','bdquo':'\u201E','becaus':'\u2235','because':'\u2235','Because':'\u2235','bemptyv':'\u29B0','bepsi':'\u03F6','bernou':'\u212C','Bernoullis':'\u212C','beta':'\u03B2','Beta':'\u0392','beth':'\u2136','between':'\u226C','bfr':'\uD835\uDD1F','Bfr':'\uD835\uDD05','bigcap':'\u22C2','bigcirc':'\u25EF','bigcup':'\u22C3','bigodot':'\u2A00','bigoplus':'\u2A01','bigotimes':'\u2A02','bigsqcup':'\u2A06','bigstar':'\u2605','bigtriangledown':'\u25BD','bigtriangleup':'\u25B3','biguplus':'\u2A04','bigvee':'\u22C1','bigwedge':'\u22C0','bkarow':'\u290D','blacklozenge':'\u29EB','blacksquare':'\u25AA','blacktriangle':'\u25B4','blacktriangledown':'\u25BE','blacktriangleleft':'\u25C2','blacktriangleright':'\u25B8','blank':'\u2423','blk12':'\u2592','blk14':'\u2591','blk34':'\u2593','block':'\u2588','bne':'=\u20E5','bnequiv':'\u2261\u20E5','bnot':'\u2310','bNot':'\u2AED','bopf':'\uD835\uDD53','Bopf':'\uD835\uDD39','bot':'\u22A5','bottom':'\u22A5','bowtie':'\u22C8','boxbox':'\u29C9','boxdl':'\u2510','boxdL':'\u2555','boxDl':'\u2556','boxDL':'\u2557','boxdr':'\u250C','boxdR':'\u2552','boxDr':'\u2553','boxDR':'\u2554','boxh':'\u2500','boxH':'\u2550','boxhd':'\u252C','boxhD':'\u2565','boxHd':'\u2564','boxHD':'\u2566','boxhu':'\u2534','boxhU':'\u2568','boxHu':'\u2567','boxHU':'\u2569','boxminus':'\u229F','boxplus':'\u229E','boxtimes':'\u22A0','boxul':'\u2518','boxuL':'\u255B','boxUl':'\u255C','boxUL':'\u255D','boxur':'\u2514','boxuR':'\u2558','boxUr':'\u2559','boxUR':'\u255A','boxv':'\u2502','boxV':'\u2551','boxvh':'\u253C','boxvH':'\u256A','boxVh':'\u256B','boxVH':'\u256C','boxvl':'\u2524','boxvL':'\u2561','boxVl':'\u2562','boxVL':'\u2563','boxvr':'\u251C','boxvR':'\u255E','boxVr':'\u255F','boxVR':'\u2560','bprime':'\u2035','breve':'\u02D8','Breve':'\u02D8','brvbar':'\xA6','bscr':'\uD835\uDCB7','Bscr':'\u212C','bsemi':'\u204F','bsim':'\u223D','bsime':'\u22CD','bsol':'\\','bsolb':'\u29C5','bsolhsub':'\u27C8','bull':'\u2022','bullet':'\u2022','bump':'\u224E','bumpe':'\u224F','bumpE':'\u2AAE','bumpeq':'\u224F','Bumpeq':'\u224E','cacute':'\u0107','Cacute':'\u0106','cap':'\u2229','Cap':'\u22D2','capand':'\u2A44','capbrcup':'\u2A49','capcap':'\u2A4B','capcup':'\u2A47','capdot':'\u2A40','CapitalDifferentialD':'\u2145','caps':'\u2229\uFE00','caret':'\u2041','caron':'\u02C7','Cayleys':'\u212D','ccaps':'\u2A4D','ccaron':'\u010D','Ccaron':'\u010C','ccedil':'\xE7','Ccedil':'\xC7','ccirc':'\u0109','Ccirc':'\u0108','Cconint':'\u2230','ccups':'\u2A4C','ccupssm':'\u2A50','cdot':'\u010B','Cdot':'\u010A','cedil':'\xB8','Cedilla':'\xB8','cemptyv':'\u29B2','cent':'\xA2','centerdot':'\xB7','CenterDot':'\xB7','cfr':'\uD835\uDD20','Cfr':'\u212D','chcy':'\u0447','CHcy':'\u0427','check':'\u2713','checkmark':'\u2713','chi':'\u03C7','Chi':'\u03A7','cir':'\u25CB','circ':'\u02C6','circeq':'\u2257','circlearrowleft':'\u21BA','circlearrowright':'\u21BB','circledast':'\u229B','circledcirc':'\u229A','circleddash':'\u229D','CircleDot':'\u2299','circledR':'\xAE','circledS':'\u24C8','CircleMinus':'\u2296','CirclePlus':'\u2295','CircleTimes':'\u2297','cire':'\u2257','cirE':'\u29C3','cirfnint':'\u2A10','cirmid':'\u2AEF','cirscir':'\u29C2','ClockwiseContourIntegral':'\u2232','CloseCurlyDoubleQuote':'\u201D','CloseCurlyQuote':'\u2019','clubs':'\u2663','clubsuit':'\u2663','colon':':','Colon':'\u2237','colone':'\u2254','Colone':'\u2A74','coloneq':'\u2254','comma':',','commat':'@','comp':'\u2201','compfn':'\u2218','complement':'\u2201','complexes':'\u2102','cong':'\u2245','congdot':'\u2A6D','Congruent':'\u2261','conint':'\u222E','Conint':'\u222F','ContourIntegral':'\u222E','copf':'\uD835\uDD54','Copf':'\u2102','coprod':'\u2210','Coproduct':'\u2210','copy':'\xA9','COPY':'\xA9','copysr':'\u2117','CounterClockwiseContourIntegral':'\u2233','crarr':'\u21B5','cross':'\u2717','Cross':'\u2A2F','cscr':'\uD835\uDCB8','Cscr':'\uD835\uDC9E','csub':'\u2ACF','csube':'\u2AD1','csup':'\u2AD0','csupe':'\u2AD2','ctdot':'\u22EF','cudarrl':'\u2938','cudarrr':'\u2935','cuepr':'\u22DE','cuesc':'\u22DF','cularr':'\u21B6','cularrp':'\u293D','cup':'\u222A','Cup':'\u22D3','cupbrcap':'\u2A48','cupcap':'\u2A46','CupCap':'\u224D','cupcup':'\u2A4A','cupdot':'\u228D','cupor':'\u2A45','cups':'\u222A\uFE00','curarr':'\u21B7','curarrm':'\u293C','curlyeqprec':'\u22DE','curlyeqsucc':'\u22DF','curlyvee':'\u22CE','curlywedge':'\u22CF','curren':'\xA4','curvearrowleft':'\u21B6','curvearrowright':'\u21B7','cuvee':'\u22CE','cuwed':'\u22CF','cwconint':'\u2232','cwint':'\u2231','cylcty':'\u232D','dagger':'\u2020','Dagger':'\u2021','daleth':'\u2138','darr':'\u2193','dArr':'\u21D3','Darr':'\u21A1','dash':'\u2010','dashv':'\u22A3','Dashv':'\u2AE4','dbkarow':'\u290F','dblac':'\u02DD','dcaron':'\u010F','Dcaron':'\u010E','dcy':'\u0434','Dcy':'\u0414','dd':'\u2146','DD':'\u2145','ddagger':'\u2021','ddarr':'\u21CA','DDotrahd':'\u2911','ddotseq':'\u2A77','deg':'\xB0','Del':'\u2207','delta':'\u03B4','Delta':'\u0394','demptyv':'\u29B1','dfisht':'\u297F','dfr':'\uD835\uDD21','Dfr':'\uD835\uDD07','dHar':'\u2965','dharl':'\u21C3','dharr':'\u21C2','DiacriticalAcute':'\xB4','DiacriticalDot':'\u02D9','DiacriticalDoubleAcute':'\u02DD','DiacriticalGrave':'`','DiacriticalTilde':'\u02DC','diam':'\u22C4','diamond':'\u22C4','Diamond':'\u22C4','diamondsuit':'\u2666','diams':'\u2666','die':'\xA8','DifferentialD':'\u2146','digamma':'\u03DD','disin':'\u22F2','div':'\xF7','divide':'\xF7','divideontimes':'\u22C7','divonx':'\u22C7','djcy':'\u0452','DJcy':'\u0402','dlcorn':'\u231E','dlcrop':'\u230D','dollar':'$','dopf':'\uD835\uDD55','Dopf':'\uD835\uDD3B','dot':'\u02D9','Dot':'\xA8','DotDot':'\u20DC','doteq':'\u2250','doteqdot':'\u2251','DotEqual':'\u2250','dotminus':'\u2238','dotplus':'\u2214','dotsquare':'\u22A1','doublebarwedge':'\u2306','DoubleContourIntegral':'\u222F','DoubleDot':'\xA8','DoubleDownArrow':'\u21D3','DoubleLeftArrow':'\u21D0','DoubleLeftRightArrow':'\u21D4','DoubleLeftTee':'\u2AE4','DoubleLongLeftArrow':'\u27F8','DoubleLongLeftRightArrow':'\u27FA','DoubleLongRightArrow':'\u27F9','DoubleRightArrow':'\u21D2','DoubleRightTee':'\u22A8','DoubleUpArrow':'\u21D1','DoubleUpDownArrow':'\u21D5','DoubleVerticalBar':'\u2225','downarrow':'\u2193','Downarrow':'\u21D3','DownArrow':'\u2193','DownArrowBar':'\u2913','DownArrowUpArrow':'\u21F5','DownBreve':'\u0311','downdownarrows':'\u21CA','downharpoonleft':'\u21C3','downharpoonright':'\u21C2','DownLeftRightVector':'\u2950','DownLeftTeeVector':'\u295E','DownLeftVector':'\u21BD','DownLeftVectorBar':'\u2956','DownRightTeeVector':'\u295F','DownRightVector':'\u21C1','DownRightVectorBar':'\u2957','DownTee':'\u22A4','DownTeeArrow':'\u21A7','drbkarow':'\u2910','drcorn':'\u231F','drcrop':'\u230C','dscr':'\uD835\uDCB9','Dscr':'\uD835\uDC9F','dscy':'\u0455','DScy':'\u0405','dsol':'\u29F6','dstrok':'\u0111','Dstrok':'\u0110','dtdot':'\u22F1','dtri':'\u25BF','dtrif':'\u25BE','duarr':'\u21F5','duhar':'\u296F','dwangle':'\u29A6','dzcy':'\u045F','DZcy':'\u040F','dzigrarr':'\u27FF','eacute':'\xE9','Eacute':'\xC9','easter':'\u2A6E','ecaron':'\u011B','Ecaron':'\u011A','ecir':'\u2256','ecirc':'\xEA','Ecirc':'\xCA','ecolon':'\u2255','ecy':'\u044D','Ecy':'\u042D','eDDot':'\u2A77','edot':'\u0117','eDot':'\u2251','Edot':'\u0116','ee':'\u2147','efDot':'\u2252','efr':'\uD835\uDD22','Efr':'\uD835\uDD08','eg':'\u2A9A','egrave':'\xE8','Egrave':'\xC8','egs':'\u2A96','egsdot':'\u2A98','el':'\u2A99','Element':'\u2208','elinters':'\u23E7','ell':'\u2113','els':'\u2A95','elsdot':'\u2A97','emacr':'\u0113','Emacr':'\u0112','empty':'\u2205','emptyset':'\u2205','EmptySmallSquare':'\u25FB','emptyv':'\u2205','EmptyVerySmallSquare':'\u25AB','emsp':'\u2003','emsp13':'\u2004','emsp14':'\u2005','eng':'\u014B','ENG':'\u014A','ensp':'\u2002','eogon':'\u0119','Eogon':'\u0118','eopf':'\uD835\uDD56','Eopf':'\uD835\uDD3C','epar':'\u22D5','eparsl':'\u29E3','eplus':'\u2A71','epsi':'\u03B5','epsilon':'\u03B5','Epsilon':'\u0395','epsiv':'\u03F5','eqcirc':'\u2256','eqcolon':'\u2255','eqsim':'\u2242','eqslantgtr':'\u2A96','eqslantless':'\u2A95','Equal':'\u2A75','equals':'=','EqualTilde':'\u2242','equest':'\u225F','Equilibrium':'\u21CC','equiv':'\u2261','equivDD':'\u2A78','eqvparsl':'\u29E5','erarr':'\u2971','erDot':'\u2253','escr':'\u212F','Escr':'\u2130','esdot':'\u2250','esim':'\u2242','Esim':'\u2A73','eta':'\u03B7','Eta':'\u0397','eth':'\xF0','ETH':'\xD0','euml':'\xEB','Euml':'\xCB','euro':'\u20AC','excl':'!','exist':'\u2203','Exists':'\u2203','expectation':'\u2130','exponentiale':'\u2147','ExponentialE':'\u2147','fallingdotseq':'\u2252','fcy':'\u0444','Fcy':'\u0424','female':'\u2640','ffilig':'\uFB03','fflig':'\uFB00','ffllig':'\uFB04','ffr':'\uD835\uDD23','Ffr':'\uD835\uDD09','filig':'\uFB01','FilledSmallSquare':'\u25FC','FilledVerySmallSquare':'\u25AA','fjlig':'fj','flat':'\u266D','fllig':'\uFB02','fltns':'\u25B1','fnof':'\u0192','fopf':'\uD835\uDD57','Fopf':'\uD835\uDD3D','forall':'\u2200','ForAll':'\u2200','fork':'\u22D4','forkv':'\u2AD9','Fouriertrf':'\u2131','fpartint':'\u2A0D','frac12':'\xBD','frac13':'\u2153','frac14':'\xBC','frac15':'\u2155','frac16':'\u2159','frac18':'\u215B','frac23':'\u2154','frac25':'\u2156','frac34':'\xBE','frac35':'\u2157','frac38':'\u215C','frac45':'\u2158','frac56':'\u215A','frac58':'\u215D','frac78':'\u215E','frasl':'\u2044','frown':'\u2322','fscr':'\uD835\uDCBB','Fscr':'\u2131','gacute':'\u01F5','gamma':'\u03B3','Gamma':'\u0393','gammad':'\u03DD','Gammad':'\u03DC','gap':'\u2A86','gbreve':'\u011F','Gbreve':'\u011E','Gcedil':'\u0122','gcirc':'\u011D','Gcirc':'\u011C','gcy':'\u0433','Gcy':'\u0413','gdot':'\u0121','Gdot':'\u0120','ge':'\u2265','gE':'\u2267','gel':'\u22DB','gEl':'\u2A8C','geq':'\u2265','geqq':'\u2267','geqslant':'\u2A7E','ges':'\u2A7E','gescc':'\u2AA9','gesdot':'\u2A80','gesdoto':'\u2A82','gesdotol':'\u2A84','gesl':'\u22DB\uFE00','gesles':'\u2A94','gfr':'\uD835\uDD24','Gfr':'\uD835\uDD0A','gg':'\u226B','Gg':'\u22D9','ggg':'\u22D9','gimel':'\u2137','gjcy':'\u0453','GJcy':'\u0403','gl':'\u2277','gla':'\u2AA5','glE':'\u2A92','glj':'\u2AA4','gnap':'\u2A8A','gnapprox':'\u2A8A','gne':'\u2A88','gnE':'\u2269','gneq':'\u2A88','gneqq':'\u2269','gnsim':'\u22E7','gopf':'\uD835\uDD58','Gopf':'\uD835\uDD3E','grave':'`','GreaterEqual':'\u2265','GreaterEqualLess':'\u22DB','GreaterFullEqual':'\u2267','GreaterGreater':'\u2AA2','GreaterLess':'\u2277','GreaterSlantEqual':'\u2A7E','GreaterTilde':'\u2273','gscr':'\u210A','Gscr':'\uD835\uDCA2','gsim':'\u2273','gsime':'\u2A8E','gsiml':'\u2A90','gt':'>','Gt':'\u226B','GT':'>','gtcc':'\u2AA7','gtcir':'\u2A7A','gtdot':'\u22D7','gtlPar':'\u2995','gtquest':'\u2A7C','gtrapprox':'\u2A86','gtrarr':'\u2978','gtrdot':'\u22D7','gtreqless':'\u22DB','gtreqqless':'\u2A8C','gtrless':'\u2277','gtrsim':'\u2273','gvertneqq':'\u2269\uFE00','gvnE':'\u2269\uFE00','Hacek':'\u02C7','hairsp':'\u200A','half':'\xBD','hamilt':'\u210B','hardcy':'\u044A','HARDcy':'\u042A','harr':'\u2194','hArr':'\u21D4','harrcir':'\u2948','harrw':'\u21AD','Hat':'^','hbar':'\u210F','hcirc':'\u0125','Hcirc':'\u0124','hearts':'\u2665','heartsuit':'\u2665','hellip':'\u2026','hercon':'\u22B9','hfr':'\uD835\uDD25','Hfr':'\u210C','HilbertSpace':'\u210B','hksearow':'\u2925','hkswarow':'\u2926','hoarr':'\u21FF','homtht':'\u223B','hookleftarrow':'\u21A9','hookrightarrow':'\u21AA','hopf':'\uD835\uDD59','Hopf':'\u210D','horbar':'\u2015','HorizontalLine':'\u2500','hscr':'\uD835\uDCBD','Hscr':'\u210B','hslash':'\u210F','hstrok':'\u0127','Hstrok':'\u0126','HumpDownHump':'\u224E','HumpEqual':'\u224F','hybull':'\u2043','hyphen':'\u2010','iacute':'\xED','Iacute':'\xCD','ic':'\u2063','icirc':'\xEE','Icirc':'\xCE','icy':'\u0438','Icy':'\u0418','Idot':'\u0130','iecy':'\u0435','IEcy':'\u0415','iexcl':'\xA1','iff':'\u21D4','ifr':'\uD835\uDD26','Ifr':'\u2111','igrave':'\xEC','Igrave':'\xCC','ii':'\u2148','iiiint':'\u2A0C','iiint':'\u222D','iinfin':'\u29DC','iiota':'\u2129','ijlig':'\u0133','IJlig':'\u0132','Im':'\u2111','imacr':'\u012B','Imacr':'\u012A','image':'\u2111','ImaginaryI':'\u2148','imagline':'\u2110','imagpart':'\u2111','imath':'\u0131','imof':'\u22B7','imped':'\u01B5','Implies':'\u21D2','in':'\u2208','incare':'\u2105','infin':'\u221E','infintie':'\u29DD','inodot':'\u0131','int':'\u222B','Int':'\u222C','intcal':'\u22BA','integers':'\u2124','Integral':'\u222B','intercal':'\u22BA','Intersection':'\u22C2','intlarhk':'\u2A17','intprod':'\u2A3C','InvisibleComma':'\u2063','InvisibleTimes':'\u2062','iocy':'\u0451','IOcy':'\u0401','iogon':'\u012F','Iogon':'\u012E','iopf':'\uD835\uDD5A','Iopf':'\uD835\uDD40','iota':'\u03B9','Iota':'\u0399','iprod':'\u2A3C','iquest':'\xBF','iscr':'\uD835\uDCBE','Iscr':'\u2110','isin':'\u2208','isindot':'\u22F5','isinE':'\u22F9','isins':'\u22F4','isinsv':'\u22F3','isinv':'\u2208','it':'\u2062','itilde':'\u0129','Itilde':'\u0128','iukcy':'\u0456','Iukcy':'\u0406','iuml':'\xEF','Iuml':'\xCF','jcirc':'\u0135','Jcirc':'\u0134','jcy':'\u0439','Jcy':'\u0419','jfr':'\uD835\uDD27','Jfr':'\uD835\uDD0D','jmath':'\u0237','jopf':'\uD835\uDD5B','Jopf':'\uD835\uDD41','jscr':'\uD835\uDCBF','Jscr':'\uD835\uDCA5','jsercy':'\u0458','Jsercy':'\u0408','jukcy':'\u0454','Jukcy':'\u0404','kappa':'\u03BA','Kappa':'\u039A','kappav':'\u03F0','kcedil':'\u0137','Kcedil':'\u0136','kcy':'\u043A','Kcy':'\u041A','kfr':'\uD835\uDD28','Kfr':'\uD835\uDD0E','kgreen':'\u0138','khcy':'\u0445','KHcy':'\u0425','kjcy':'\u045C','KJcy':'\u040C','kopf':'\uD835\uDD5C','Kopf':'\uD835\uDD42','kscr':'\uD835\uDCC0','Kscr':'\uD835\uDCA6','lAarr':'\u21DA','lacute':'\u013A','Lacute':'\u0139','laemptyv':'\u29B4','lagran':'\u2112','lambda':'\u03BB','Lambda':'\u039B','lang':'\u27E8','Lang':'\u27EA','langd':'\u2991','langle':'\u27E8','lap':'\u2A85','Laplacetrf':'\u2112','laquo':'\xAB','larr':'\u2190','lArr':'\u21D0','Larr':'\u219E','larrb':'\u21E4','larrbfs':'\u291F','larrfs':'\u291D','larrhk':'\u21A9','larrlp':'\u21AB','larrpl':'\u2939','larrsim':'\u2973','larrtl':'\u21A2','lat':'\u2AAB','latail':'\u2919','lAtail':'\u291B','late':'\u2AAD','lates':'\u2AAD\uFE00','lbarr':'\u290C','lBarr':'\u290E','lbbrk':'\u2772','lbrace':'{','lbrack':'[','lbrke':'\u298B','lbrksld':'\u298F','lbrkslu':'\u298D','lcaron':'\u013E','Lcaron':'\u013D','lcedil':'\u013C','Lcedil':'\u013B','lceil':'\u2308','lcub':'{','lcy':'\u043B','Lcy':'\u041B','ldca':'\u2936','ldquo':'\u201C','ldquor':'\u201E','ldrdhar':'\u2967','ldrushar':'\u294B','ldsh':'\u21B2','le':'\u2264','lE':'\u2266','LeftAngleBracket':'\u27E8','leftarrow':'\u2190','Leftarrow':'\u21D0','LeftArrow':'\u2190','LeftArrowBar':'\u21E4','LeftArrowRightArrow':'\u21C6','leftarrowtail':'\u21A2','LeftCeiling':'\u2308','LeftDoubleBracket':'\u27E6','LeftDownTeeVector':'\u2961','LeftDownVector':'\u21C3','LeftDownVectorBar':'\u2959','LeftFloor':'\u230A','leftharpoondown':'\u21BD','leftharpoonup':'\u21BC','leftleftarrows':'\u21C7','leftrightarrow':'\u2194','Leftrightarrow':'\u21D4','LeftRightArrow':'\u2194','leftrightarrows':'\u21C6','leftrightharpoons':'\u21CB','leftrightsquigarrow':'\u21AD','LeftRightVector':'\u294E','LeftTee':'\u22A3','LeftTeeArrow':'\u21A4','LeftTeeVector':'\u295A','leftthreetimes':'\u22CB','LeftTriangle':'\u22B2','LeftTriangleBar':'\u29CF','LeftTriangleEqual':'\u22B4','LeftUpDownVector':'\u2951','LeftUpTeeVector':'\u2960','LeftUpVector':'\u21BF','LeftUpVectorBar':'\u2958','LeftVector':'\u21BC','LeftVectorBar':'\u2952','leg':'\u22DA','lEg':'\u2A8B','leq':'\u2264','leqq':'\u2266','leqslant':'\u2A7D','les':'\u2A7D','lescc':'\u2AA8','lesdot':'\u2A7F','lesdoto':'\u2A81','lesdotor':'\u2A83','lesg':'\u22DA\uFE00','lesges':'\u2A93','lessapprox':'\u2A85','lessdot':'\u22D6','lesseqgtr':'\u22DA','lesseqqgtr':'\u2A8B','LessEqualGreater':'\u22DA','LessFullEqual':'\u2266','LessGreater':'\u2276','lessgtr':'\u2276','LessLess':'\u2AA1','lesssim':'\u2272','LessSlantEqual':'\u2A7D','LessTilde':'\u2272','lfisht':'\u297C','lfloor':'\u230A','lfr':'\uD835\uDD29','Lfr':'\uD835\uDD0F','lg':'\u2276','lgE':'\u2A91','lHar':'\u2962','lhard':'\u21BD','lharu':'\u21BC','lharul':'\u296A','lhblk':'\u2584','ljcy':'\u0459','LJcy':'\u0409','ll':'\u226A','Ll':'\u22D8','llarr':'\u21C7','llcorner':'\u231E','Lleftarrow':'\u21DA','llhard':'\u296B','lltri':'\u25FA','lmidot':'\u0140','Lmidot':'\u013F','lmoust':'\u23B0','lmoustache':'\u23B0','lnap':'\u2A89','lnapprox':'\u2A89','lne':'\u2A87','lnE':'\u2268','lneq':'\u2A87','lneqq':'\u2268','lnsim':'\u22E6','loang':'\u27EC','loarr':'\u21FD','lobrk':'\u27E6','longleftarrow':'\u27F5','Longleftarrow':'\u27F8','LongLeftArrow':'\u27F5','longleftrightarrow':'\u27F7','Longleftrightarrow':'\u27FA','LongLeftRightArrow':'\u27F7','longmapsto':'\u27FC','longrightarrow':'\u27F6','Longrightarrow':'\u27F9','LongRightArrow':'\u27F6','looparrowleft':'\u21AB','looparrowright':'\u21AC','lopar':'\u2985','lopf':'\uD835\uDD5D','Lopf':'\uD835\uDD43','loplus':'\u2A2D','lotimes':'\u2A34','lowast':'\u2217','lowbar':'_','LowerLeftArrow':'\u2199','LowerRightArrow':'\u2198','loz':'\u25CA','lozenge':'\u25CA','lozf':'\u29EB','lpar':'(','lparlt':'\u2993','lrarr':'\u21C6','lrcorner':'\u231F','lrhar':'\u21CB','lrhard':'\u296D','lrm':'\u200E','lrtri':'\u22BF','lsaquo':'\u2039','lscr':'\uD835\uDCC1','Lscr':'\u2112','lsh':'\u21B0','Lsh':'\u21B0','lsim':'\u2272','lsime':'\u2A8D','lsimg':'\u2A8F','lsqb':'[','lsquo':'\u2018','lsquor':'\u201A','lstrok':'\u0142','Lstrok':'\u0141','lt':'<','Lt':'\u226A','LT':'<','ltcc':'\u2AA6','ltcir':'\u2A79','ltdot':'\u22D6','lthree':'\u22CB','ltimes':'\u22C9','ltlarr':'\u2976','ltquest':'\u2A7B','ltri':'\u25C3','ltrie':'\u22B4','ltrif':'\u25C2','ltrPar':'\u2996','lurdshar':'\u294A','luruhar':'\u2966','lvertneqq':'\u2268\uFE00','lvnE':'\u2268\uFE00','macr':'\xAF','male':'\u2642','malt':'\u2720','maltese':'\u2720','map':'\u21A6','Map':'\u2905','mapsto':'\u21A6','mapstodown':'\u21A7','mapstoleft':'\u21A4','mapstoup':'\u21A5','marker':'\u25AE','mcomma':'\u2A29','mcy':'\u043C','Mcy':'\u041C','mdash':'\u2014','mDDot':'\u223A','measuredangle':'\u2221','MediumSpace':'\u205F','Mellintrf':'\u2133','mfr':'\uD835\uDD2A','Mfr':'\uD835\uDD10','mho':'\u2127','micro':'\xB5','mid':'\u2223','midast':'*','midcir':'\u2AF0','middot':'\xB7','minus':'\u2212','minusb':'\u229F','minusd':'\u2238','minusdu':'\u2A2A','MinusPlus':'\u2213','mlcp':'\u2ADB','mldr':'\u2026','mnplus':'\u2213','models':'\u22A7','mopf':'\uD835\uDD5E','Mopf':'\uD835\uDD44','mp':'\u2213','mscr':'\uD835\uDCC2','Mscr':'\u2133','mstpos':'\u223E','mu':'\u03BC','Mu':'\u039C','multimap':'\u22B8','mumap':'\u22B8','nabla':'\u2207','nacute':'\u0144','Nacute':'\u0143','nang':'\u2220\u20D2','nap':'\u2249','napE':'\u2A70\u0338','napid':'\u224B\u0338','napos':'\u0149','napprox':'\u2249','natur':'\u266E','natural':'\u266E','naturals':'\u2115','nbsp':'\xA0','nbump':'\u224E\u0338','nbumpe':'\u224F\u0338','ncap':'\u2A43','ncaron':'\u0148','Ncaron':'\u0147','ncedil':'\u0146','Ncedil':'\u0145','ncong':'\u2247','ncongdot':'\u2A6D\u0338','ncup':'\u2A42','ncy':'\u043D','Ncy':'\u041D','ndash':'\u2013','ne':'\u2260','nearhk':'\u2924','nearr':'\u2197','neArr':'\u21D7','nearrow':'\u2197','nedot':'\u2250\u0338','NegativeMediumSpace':'\u200B','NegativeThickSpace':'\u200B','NegativeThinSpace':'\u200B','NegativeVeryThinSpace':'\u200B','nequiv':'\u2262','nesear':'\u2928','nesim':'\u2242\u0338','NestedGreaterGreater':'\u226B','NestedLessLess':'\u226A','NewLine':'\n','nexist':'\u2204','nexists':'\u2204','nfr':'\uD835\uDD2B','Nfr':'\uD835\uDD11','nge':'\u2271','ngE':'\u2267\u0338','ngeq':'\u2271','ngeqq':'\u2267\u0338','ngeqslant':'\u2A7E\u0338','nges':'\u2A7E\u0338','nGg':'\u22D9\u0338','ngsim':'\u2275','ngt':'\u226F','nGt':'\u226B\u20D2','ngtr':'\u226F','nGtv':'\u226B\u0338','nharr':'\u21AE','nhArr':'\u21CE','nhpar':'\u2AF2','ni':'\u220B','nis':'\u22FC','nisd':'\u22FA','niv':'\u220B','njcy':'\u045A','NJcy':'\u040A','nlarr':'\u219A','nlArr':'\u21CD','nldr':'\u2025','nle':'\u2270','nlE':'\u2266\u0338','nleftarrow':'\u219A','nLeftarrow':'\u21CD','nleftrightarrow':'\u21AE','nLeftrightarrow':'\u21CE','nleq':'\u2270','nleqq':'\u2266\u0338','nleqslant':'\u2A7D\u0338','nles':'\u2A7D\u0338','nless':'\u226E','nLl':'\u22D8\u0338','nlsim':'\u2274','nlt':'\u226E','nLt':'\u226A\u20D2','nltri':'\u22EA','nltrie':'\u22EC','nLtv':'\u226A\u0338','nmid':'\u2224','NoBreak':'\u2060','NonBreakingSpace':'\xA0','nopf':'\uD835\uDD5F','Nopf':'\u2115','not':'\xAC','Not':'\u2AEC','NotCongruent':'\u2262','NotCupCap':'\u226D','NotDoubleVerticalBar':'\u2226','NotElement':'\u2209','NotEqual':'\u2260','NotEqualTilde':'\u2242\u0338','NotExists':'\u2204','NotGreater':'\u226F','NotGreaterEqual':'\u2271','NotGreaterFullEqual':'\u2267\u0338','NotGreaterGreater':'\u226B\u0338','NotGreaterLess':'\u2279','NotGreaterSlantEqual':'\u2A7E\u0338','NotGreaterTilde':'\u2275','NotHumpDownHump':'\u224E\u0338','NotHumpEqual':'\u224F\u0338','notin':'\u2209','notindot':'\u22F5\u0338','notinE':'\u22F9\u0338','notinva':'\u2209','notinvb':'\u22F7','notinvc':'\u22F6','NotLeftTriangle':'\u22EA','NotLeftTriangleBar':'\u29CF\u0338','NotLeftTriangleEqual':'\u22EC','NotLess':'\u226E','NotLessEqual':'\u2270','NotLessGreater':'\u2278','NotLessLess':'\u226A\u0338','NotLessSlantEqual':'\u2A7D\u0338','NotLessTilde':'\u2274','NotNestedGreaterGreater':'\u2AA2\u0338','NotNestedLessLess':'\u2AA1\u0338','notni':'\u220C','notniva':'\u220C','notnivb':'\u22FE','notnivc':'\u22FD','NotPrecedes':'\u2280','NotPrecedesEqual':'\u2AAF\u0338','NotPrecedesSlantEqual':'\u22E0','NotReverseElement':'\u220C','NotRightTriangle':'\u22EB','NotRightTriangleBar':'\u29D0\u0338','NotRightTriangleEqual':'\u22ED','NotSquareSubset':'\u228F\u0338','NotSquareSubsetEqual':'\u22E2','NotSquareSuperset':'\u2290\u0338','NotSquareSupersetEqual':'\u22E3','NotSubset':'\u2282\u20D2','NotSubsetEqual':'\u2288','NotSucceeds':'\u2281','NotSucceedsEqual':'\u2AB0\u0338','NotSucceedsSlantEqual':'\u22E1','NotSucceedsTilde':'\u227F\u0338','NotSuperset':'\u2283\u20D2','NotSupersetEqual':'\u2289','NotTilde':'\u2241','NotTildeEqual':'\u2244','NotTildeFullEqual':'\u2247','NotTildeTilde':'\u2249','NotVerticalBar':'\u2224','npar':'\u2226','nparallel':'\u2226','nparsl':'\u2AFD\u20E5','npart':'\u2202\u0338','npolint':'\u2A14','npr':'\u2280','nprcue':'\u22E0','npre':'\u2AAF\u0338','nprec':'\u2280','npreceq':'\u2AAF\u0338','nrarr':'\u219B','nrArr':'\u21CF','nrarrc':'\u2933\u0338','nrarrw':'\u219D\u0338','nrightarrow':'\u219B','nRightarrow':'\u21CF','nrtri':'\u22EB','nrtrie':'\u22ED','nsc':'\u2281','nsccue':'\u22E1','nsce':'\u2AB0\u0338','nscr':'\uD835\uDCC3','Nscr':'\uD835\uDCA9','nshortmid':'\u2224','nshortparallel':'\u2226','nsim':'\u2241','nsime':'\u2244','nsimeq':'\u2244','nsmid':'\u2224','nspar':'\u2226','nsqsube':'\u22E2','nsqsupe':'\u22E3','nsub':'\u2284','nsube':'\u2288','nsubE':'\u2AC5\u0338','nsubset':'\u2282\u20D2','nsubseteq':'\u2288','nsubseteqq':'\u2AC5\u0338','nsucc':'\u2281','nsucceq':'\u2AB0\u0338','nsup':'\u2285','nsupe':'\u2289','nsupE':'\u2AC6\u0338','nsupset':'\u2283\u20D2','nsupseteq':'\u2289','nsupseteqq':'\u2AC6\u0338','ntgl':'\u2279','ntilde':'\xF1','Ntilde':'\xD1','ntlg':'\u2278','ntriangleleft':'\u22EA','ntrianglelefteq':'\u22EC','ntriangleright':'\u22EB','ntrianglerighteq':'\u22ED','nu':'\u03BD','Nu':'\u039D','num':'#','numero':'\u2116','numsp':'\u2007','nvap':'\u224D\u20D2','nvdash':'\u22AC','nvDash':'\u22AD','nVdash':'\u22AE','nVDash':'\u22AF','nvge':'\u2265\u20D2','nvgt':'>\u20D2','nvHarr':'\u2904','nvinfin':'\u29DE','nvlArr':'\u2902','nvle':'\u2264\u20D2','nvlt':'<\u20D2','nvltrie':'\u22B4\u20D2','nvrArr':'\u2903','nvrtrie':'\u22B5\u20D2','nvsim':'\u223C\u20D2','nwarhk':'\u2923','nwarr':'\u2196','nwArr':'\u21D6','nwarrow':'\u2196','nwnear':'\u2927','oacute':'\xF3','Oacute':'\xD3','oast':'\u229B','ocir':'\u229A','ocirc':'\xF4','Ocirc':'\xD4','ocy':'\u043E','Ocy':'\u041E','odash':'\u229D','odblac':'\u0151','Odblac':'\u0150','odiv':'\u2A38','odot':'\u2299','odsold':'\u29BC','oelig':'\u0153','OElig':'\u0152','ofcir':'\u29BF','ofr':'\uD835\uDD2C','Ofr':'\uD835\uDD12','ogon':'\u02DB','ograve':'\xF2','Ograve':'\xD2','ogt':'\u29C1','ohbar':'\u29B5','ohm':'\u03A9','oint':'\u222E','olarr':'\u21BA','olcir':'\u29BE','olcross':'\u29BB','oline':'\u203E','olt':'\u29C0','omacr':'\u014D','Omacr':'\u014C','omega':'\u03C9','Omega':'\u03A9','omicron':'\u03BF','Omicron':'\u039F','omid':'\u29B6','ominus':'\u2296','oopf':'\uD835\uDD60','Oopf':'\uD835\uDD46','opar':'\u29B7','OpenCurlyDoubleQuote':'\u201C','OpenCurlyQuote':'\u2018','operp':'\u29B9','oplus':'\u2295','or':'\u2228','Or':'\u2A54','orarr':'\u21BB','ord':'\u2A5D','order':'\u2134','orderof':'\u2134','ordf':'\xAA','ordm':'\xBA','origof':'\u22B6','oror':'\u2A56','orslope':'\u2A57','orv':'\u2A5B','oS':'\u24C8','oscr':'\u2134','Oscr':'\uD835\uDCAA','oslash':'\xF8','Oslash':'\xD8','osol':'\u2298','otilde':'\xF5','Otilde':'\xD5','otimes':'\u2297','Otimes':'\u2A37','otimesas':'\u2A36','ouml':'\xF6','Ouml':'\xD6','ovbar':'\u233D','OverBar':'\u203E','OverBrace':'\u23DE','OverBracket':'\u23B4','OverParenthesis':'\u23DC','par':'\u2225','para':'\xB6','parallel':'\u2225','parsim':'\u2AF3','parsl':'\u2AFD','part':'\u2202','PartialD':'\u2202','pcy':'\u043F','Pcy':'\u041F','percnt':'%','period':'.','permil':'\u2030','perp':'\u22A5','pertenk':'\u2031','pfr':'\uD835\uDD2D','Pfr':'\uD835\uDD13','phi':'\u03C6','Phi':'\u03A6','phiv':'\u03D5','phmmat':'\u2133','phone':'\u260E','pi':'\u03C0','Pi':'\u03A0','pitchfork':'\u22D4','piv':'\u03D6','planck':'\u210F','planckh':'\u210E','plankv':'\u210F','plus':'+','plusacir':'\u2A23','plusb':'\u229E','pluscir':'\u2A22','plusdo':'\u2214','plusdu':'\u2A25','pluse':'\u2A72','PlusMinus':'\xB1','plusmn':'\xB1','plussim':'\u2A26','plustwo':'\u2A27','pm':'\xB1','Poincareplane':'\u210C','pointint':'\u2A15','popf':'\uD835\uDD61','Popf':'\u2119','pound':'\xA3','pr':'\u227A','Pr':'\u2ABB','prap':'\u2AB7','prcue':'\u227C','pre':'\u2AAF','prE':'\u2AB3','prec':'\u227A','precapprox':'\u2AB7','preccurlyeq':'\u227C','Precedes':'\u227A','PrecedesEqual':'\u2AAF','PrecedesSlantEqual':'\u227C','PrecedesTilde':'\u227E','preceq':'\u2AAF','precnapprox':'\u2AB9','precneqq':'\u2AB5','precnsim':'\u22E8','precsim':'\u227E','prime':'\u2032','Prime':'\u2033','primes':'\u2119','prnap':'\u2AB9','prnE':'\u2AB5','prnsim':'\u22E8','prod':'\u220F','Product':'\u220F','profalar':'\u232E','profline':'\u2312','profsurf':'\u2313','prop':'\u221D','Proportion':'\u2237','Proportional':'\u221D','propto':'\u221D','prsim':'\u227E','prurel':'\u22B0','pscr':'\uD835\uDCC5','Pscr':'\uD835\uDCAB','psi':'\u03C8','Psi':'\u03A8','puncsp':'\u2008','qfr':'\uD835\uDD2E','Qfr':'\uD835\uDD14','qint':'\u2A0C','qopf':'\uD835\uDD62','Qopf':'\u211A','qprime':'\u2057','qscr':'\uD835\uDCC6','Qscr':'\uD835\uDCAC','quaternions':'\u210D','quatint':'\u2A16','quest':'?','questeq':'\u225F','quot':'"','QUOT':'"','rAarr':'\u21DB','race':'\u223D\u0331','racute':'\u0155','Racute':'\u0154','radic':'\u221A','raemptyv':'\u29B3','rang':'\u27E9','Rang':'\u27EB','rangd':'\u2992','range':'\u29A5','rangle':'\u27E9','raquo':'\xBB','rarr':'\u2192','rArr':'\u21D2','Rarr':'\u21A0','rarrap':'\u2975','rarrb':'\u21E5','rarrbfs':'\u2920','rarrc':'\u2933','rarrfs':'\u291E','rarrhk':'\u21AA','rarrlp':'\u21AC','rarrpl':'\u2945','rarrsim':'\u2974','rarrtl':'\u21A3','Rarrtl':'\u2916','rarrw':'\u219D','ratail':'\u291A','rAtail':'\u291C','ratio':'\u2236','rationals':'\u211A','rbarr':'\u290D','rBarr':'\u290F','RBarr':'\u2910','rbbrk':'\u2773','rbrace':'}','rbrack':']','rbrke':'\u298C','rbrksld':'\u298E','rbrkslu':'\u2990','rcaron':'\u0159','Rcaron':'\u0158','rcedil':'\u0157','Rcedil':'\u0156','rceil':'\u2309','rcub':'}','rcy':'\u0440','Rcy':'\u0420','rdca':'\u2937','rdldhar':'\u2969','rdquo':'\u201D','rdquor':'\u201D','rdsh':'\u21B3','Re':'\u211C','real':'\u211C','realine':'\u211B','realpart':'\u211C','reals':'\u211D','rect':'\u25AD','reg':'\xAE','REG':'\xAE','ReverseElement':'\u220B','ReverseEquilibrium':'\u21CB','ReverseUpEquilibrium':'\u296F','rfisht':'\u297D','rfloor':'\u230B','rfr':'\uD835\uDD2F','Rfr':'\u211C','rHar':'\u2964','rhard':'\u21C1','rharu':'\u21C0','rharul':'\u296C','rho':'\u03C1','Rho':'\u03A1','rhov':'\u03F1','RightAngleBracket':'\u27E9','rightarrow':'\u2192','Rightarrow':'\u21D2','RightArrow':'\u2192','RightArrowBar':'\u21E5','RightArrowLeftArrow':'\u21C4','rightarrowtail':'\u21A3','RightCeiling':'\u2309','RightDoubleBracket':'\u27E7','RightDownTeeVector':'\u295D','RightDownVector':'\u21C2','RightDownVectorBar':'\u2955','RightFloor':'\u230B','rightharpoondown':'\u21C1','rightharpoonup':'\u21C0','rightleftarrows':'\u21C4','rightleftharpoons':'\u21CC','rightrightarrows':'\u21C9','rightsquigarrow':'\u219D','RightTee':'\u22A2','RightTeeArrow':'\u21A6','RightTeeVector':'\u295B','rightthreetimes':'\u22CC','RightTriangle':'\u22B3','RightTriangleBar':'\u29D0','RightTriangleEqual':'\u22B5','RightUpDownVector':'\u294F','RightUpTeeVector':'\u295C','RightUpVector':'\u21BE','RightUpVectorBar':'\u2954','RightVector':'\u21C0','RightVectorBar':'\u2953','ring':'\u02DA','risingdotseq':'\u2253','rlarr':'\u21C4','rlhar':'\u21CC','rlm':'\u200F','rmoust':'\u23B1','rmoustache':'\u23B1','rnmid':'\u2AEE','roang':'\u27ED','roarr':'\u21FE','robrk':'\u27E7','ropar':'\u2986','ropf':'\uD835\uDD63','Ropf':'\u211D','roplus':'\u2A2E','rotimes':'\u2A35','RoundImplies':'\u2970','rpar':')','rpargt':'\u2994','rppolint':'\u2A12','rrarr':'\u21C9','Rrightarrow':'\u21DB','rsaquo':'\u203A','rscr':'\uD835\uDCC7','Rscr':'\u211B','rsh':'\u21B1','Rsh':'\u21B1','rsqb':']','rsquo':'\u2019','rsquor':'\u2019','rthree':'\u22CC','rtimes':'\u22CA','rtri':'\u25B9','rtrie':'\u22B5','rtrif':'\u25B8','rtriltri':'\u29CE','RuleDelayed':'\u29F4','ruluhar':'\u2968','rx':'\u211E','sacute':'\u015B','Sacute':'\u015A','sbquo':'\u201A','sc':'\u227B','Sc':'\u2ABC','scap':'\u2AB8','scaron':'\u0161','Scaron':'\u0160','sccue':'\u227D','sce':'\u2AB0','scE':'\u2AB4','scedil':'\u015F','Scedil':'\u015E','scirc':'\u015D','Scirc':'\u015C','scnap':'\u2ABA','scnE':'\u2AB6','scnsim':'\u22E9','scpolint':'\u2A13','scsim':'\u227F','scy':'\u0441','Scy':'\u0421','sdot':'\u22C5','sdotb':'\u22A1','sdote':'\u2A66','searhk':'\u2925','searr':'\u2198','seArr':'\u21D8','searrow':'\u2198','sect':'\xA7','semi':';','seswar':'\u2929','setminus':'\u2216','setmn':'\u2216','sext':'\u2736','sfr':'\uD835\uDD30','Sfr':'\uD835\uDD16','sfrown':'\u2322','sharp':'\u266F','shchcy':'\u0449','SHCHcy':'\u0429','shcy':'\u0448','SHcy':'\u0428','ShortDownArrow':'\u2193','ShortLeftArrow':'\u2190','shortmid':'\u2223','shortparallel':'\u2225','ShortRightArrow':'\u2192','ShortUpArrow':'\u2191','shy':'\xAD','sigma':'\u03C3','Sigma':'\u03A3','sigmaf':'\u03C2','sigmav':'\u03C2','sim':'\u223C','simdot':'\u2A6A','sime':'\u2243','simeq':'\u2243','simg':'\u2A9E','simgE':'\u2AA0','siml':'\u2A9D','simlE':'\u2A9F','simne':'\u2246','simplus':'\u2A24','simrarr':'\u2972','slarr':'\u2190','SmallCircle':'\u2218','smallsetminus':'\u2216','smashp':'\u2A33','smeparsl':'\u29E4','smid':'\u2223','smile':'\u2323','smt':'\u2AAA','smte':'\u2AAC','smtes':'\u2AAC\uFE00','softcy':'\u044C','SOFTcy':'\u042C','sol':'/','solb':'\u29C4','solbar':'\u233F','sopf':'\uD835\uDD64','Sopf':'\uD835\uDD4A','spades':'\u2660','spadesuit':'\u2660','spar':'\u2225','sqcap':'\u2293','sqcaps':'\u2293\uFE00','sqcup':'\u2294','sqcups':'\u2294\uFE00','Sqrt':'\u221A','sqsub':'\u228F','sqsube':'\u2291','sqsubset':'\u228F','sqsubseteq':'\u2291','sqsup':'\u2290','sqsupe':'\u2292','sqsupset':'\u2290','sqsupseteq':'\u2292','squ':'\u25A1','square':'\u25A1','Square':'\u25A1','SquareIntersection':'\u2293','SquareSubset':'\u228F','SquareSubsetEqual':'\u2291','SquareSuperset':'\u2290','SquareSupersetEqual':'\u2292','SquareUnion':'\u2294','squarf':'\u25AA','squf':'\u25AA','srarr':'\u2192','sscr':'\uD835\uDCC8','Sscr':'\uD835\uDCAE','ssetmn':'\u2216','ssmile':'\u2323','sstarf':'\u22C6','star':'\u2606','Star':'\u22C6','starf':'\u2605','straightepsilon':'\u03F5','straightphi':'\u03D5','strns':'\xAF','sub':'\u2282','Sub':'\u22D0','subdot':'\u2ABD','sube':'\u2286','subE':'\u2AC5','subedot':'\u2AC3','submult':'\u2AC1','subne':'\u228A','subnE':'\u2ACB','subplus':'\u2ABF','subrarr':'\u2979','subset':'\u2282','Subset':'\u22D0','subseteq':'\u2286','subseteqq':'\u2AC5','SubsetEqual':'\u2286','subsetneq':'\u228A','subsetneqq':'\u2ACB','subsim':'\u2AC7','subsub':'\u2AD5','subsup':'\u2AD3','succ':'\u227B','succapprox':'\u2AB8','succcurlyeq':'\u227D','Succeeds':'\u227B','SucceedsEqual':'\u2AB0','SucceedsSlantEqual':'\u227D','SucceedsTilde':'\u227F','succeq':'\u2AB0','succnapprox':'\u2ABA','succneqq':'\u2AB6','succnsim':'\u22E9','succsim':'\u227F','SuchThat':'\u220B','sum':'\u2211','Sum':'\u2211','sung':'\u266A','sup':'\u2283','Sup':'\u22D1','sup1':'\xB9','sup2':'\xB2','sup3':'\xB3','supdot':'\u2ABE','supdsub':'\u2AD8','supe':'\u2287','supE':'\u2AC6','supedot':'\u2AC4','Superset':'\u2283','SupersetEqual':'\u2287','suphsol':'\u27C9','suphsub':'\u2AD7','suplarr':'\u297B','supmult':'\u2AC2','supne':'\u228B','supnE':'\u2ACC','supplus':'\u2AC0','supset':'\u2283','Supset':'\u22D1','supseteq':'\u2287','supseteqq':'\u2AC6','supsetneq':'\u228B','supsetneqq':'\u2ACC','supsim':'\u2AC8','supsub':'\u2AD4','supsup':'\u2AD6','swarhk':'\u2926','swarr':'\u2199','swArr':'\u21D9','swarrow':'\u2199','swnwar':'\u292A','szlig':'\xDF','Tab':'\t','target':'\u2316','tau':'\u03C4','Tau':'\u03A4','tbrk':'\u23B4','tcaron':'\u0165','Tcaron':'\u0164','tcedil':'\u0163','Tcedil':'\u0162','tcy':'\u0442','Tcy':'\u0422','tdot':'\u20DB','telrec':'\u2315','tfr':'\uD835\uDD31','Tfr':'\uD835\uDD17','there4':'\u2234','therefore':'\u2234','Therefore':'\u2234','theta':'\u03B8','Theta':'\u0398','thetasym':'\u03D1','thetav':'\u03D1','thickapprox':'\u2248','thicksim':'\u223C','ThickSpace':'\u205F\u200A','thinsp':'\u2009','ThinSpace':'\u2009','thkap':'\u2248','thksim':'\u223C','thorn':'\xFE','THORN':'\xDE','tilde':'\u02DC','Tilde':'\u223C','TildeEqual':'\u2243','TildeFullEqual':'\u2245','TildeTilde':'\u2248','times':'\xD7','timesb':'\u22A0','timesbar':'\u2A31','timesd':'\u2A30','tint':'\u222D','toea':'\u2928','top':'\u22A4','topbot':'\u2336','topcir':'\u2AF1','topf':'\uD835\uDD65','Topf':'\uD835\uDD4B','topfork':'\u2ADA','tosa':'\u2929','tprime':'\u2034','trade':'\u2122','TRADE':'\u2122','triangle':'\u25B5','triangledown':'\u25BF','triangleleft':'\u25C3','trianglelefteq':'\u22B4','triangleq':'\u225C','triangleright':'\u25B9','trianglerighteq':'\u22B5','tridot':'\u25EC','trie':'\u225C','triminus':'\u2A3A','TripleDot':'\u20DB','triplus':'\u2A39','trisb':'\u29CD','tritime':'\u2A3B','trpezium':'\u23E2','tscr':'\uD835\uDCC9','Tscr':'\uD835\uDCAF','tscy':'\u0446','TScy':'\u0426','tshcy':'\u045B','TSHcy':'\u040B','tstrok':'\u0167','Tstrok':'\u0166','twixt':'\u226C','twoheadleftarrow':'\u219E','twoheadrightarrow':'\u21A0','uacute':'\xFA','Uacute':'\xDA','uarr':'\u2191','uArr':'\u21D1','Uarr':'\u219F','Uarrocir':'\u2949','ubrcy':'\u045E','Ubrcy':'\u040E','ubreve':'\u016D','Ubreve':'\u016C','ucirc':'\xFB','Ucirc':'\xDB','ucy':'\u0443','Ucy':'\u0423','udarr':'\u21C5','udblac':'\u0171','Udblac':'\u0170','udhar':'\u296E','ufisht':'\u297E','ufr':'\uD835\uDD32','Ufr':'\uD835\uDD18','ugrave':'\xF9','Ugrave':'\xD9','uHar':'\u2963','uharl':'\u21BF','uharr':'\u21BE','uhblk':'\u2580','ulcorn':'\u231C','ulcorner':'\u231C','ulcrop':'\u230F','ultri':'\u25F8','umacr':'\u016B','Umacr':'\u016A','uml':'\xA8','UnderBar':'_','UnderBrace':'\u23DF','UnderBracket':'\u23B5','UnderParenthesis':'\u23DD','Union':'\u22C3','UnionPlus':'\u228E','uogon':'\u0173','Uogon':'\u0172','uopf':'\uD835\uDD66','Uopf':'\uD835\uDD4C','uparrow':'\u2191','Uparrow':'\u21D1','UpArrow':'\u2191','UpArrowBar':'\u2912','UpArrowDownArrow':'\u21C5','updownarrow':'\u2195','Updownarrow':'\u21D5','UpDownArrow':'\u2195','UpEquilibrium':'\u296E','upharpoonleft':'\u21BF','upharpoonright':'\u21BE','uplus':'\u228E','UpperLeftArrow':'\u2196','UpperRightArrow':'\u2197','upsi':'\u03C5','Upsi':'\u03D2','upsih':'\u03D2','upsilon':'\u03C5','Upsilon':'\u03A5','UpTee':'\u22A5','UpTeeArrow':'\u21A5','upuparrows':'\u21C8','urcorn':'\u231D','urcorner':'\u231D','urcrop':'\u230E','uring':'\u016F','Uring':'\u016E','urtri':'\u25F9','uscr':'\uD835\uDCCA','Uscr':'\uD835\uDCB0','utdot':'\u22F0','utilde':'\u0169','Utilde':'\u0168','utri':'\u25B5','utrif':'\u25B4','uuarr':'\u21C8','uuml':'\xFC','Uuml':'\xDC','uwangle':'\u29A7','vangrt':'\u299C','varepsilon':'\u03F5','varkappa':'\u03F0','varnothing':'\u2205','varphi':'\u03D5','varpi':'\u03D6','varpropto':'\u221D','varr':'\u2195','vArr':'\u21D5','varrho':'\u03F1','varsigma':'\u03C2','varsubsetneq':'\u228A\uFE00','varsubsetneqq':'\u2ACB\uFE00','varsupsetneq':'\u228B\uFE00','varsupsetneqq':'\u2ACC\uFE00','vartheta':'\u03D1','vartriangleleft':'\u22B2','vartriangleright':'\u22B3','vBar':'\u2AE8','Vbar':'\u2AEB','vBarv':'\u2AE9','vcy':'\u0432','Vcy':'\u0412','vdash':'\u22A2','vDash':'\u22A8','Vdash':'\u22A9','VDash':'\u22AB','Vdashl':'\u2AE6','vee':'\u2228','Vee':'\u22C1','veebar':'\u22BB','veeeq':'\u225A','vellip':'\u22EE','verbar':'|','Verbar':'\u2016','vert':'|','Vert':'\u2016','VerticalBar':'\u2223','VerticalLine':'|','VerticalSeparator':'\u2758','VerticalTilde':'\u2240','VeryThinSpace':'\u200A','vfr':'\uD835\uDD33','Vfr':'\uD835\uDD19','vltri':'\u22B2','vnsub':'\u2282\u20D2','vnsup':'\u2283\u20D2','vopf':'\uD835\uDD67','Vopf':'\uD835\uDD4D','vprop':'\u221D','vrtri':'\u22B3','vscr':'\uD835\uDCCB','Vscr':'\uD835\uDCB1','vsubne':'\u228A\uFE00','vsubnE':'\u2ACB\uFE00','vsupne':'\u228B\uFE00','vsupnE':'\u2ACC\uFE00','Vvdash':'\u22AA','vzigzag':'\u299A','wcirc':'\u0175','Wcirc':'\u0174','wedbar':'\u2A5F','wedge':'\u2227','Wedge':'\u22C0','wedgeq':'\u2259','weierp':'\u2118','wfr':'\uD835\uDD34','Wfr':'\uD835\uDD1A','wopf':'\uD835\uDD68','Wopf':'\uD835\uDD4E','wp':'\u2118','wr':'\u2240','wreath':'\u2240','wscr':'\uD835\uDCCC','Wscr':'\uD835\uDCB2','xcap':'\u22C2','xcirc':'\u25EF','xcup':'\u22C3','xdtri':'\u25BD','xfr':'\uD835\uDD35','Xfr':'\uD835\uDD1B','xharr':'\u27F7','xhArr':'\u27FA','xi':'\u03BE','Xi':'\u039E','xlarr':'\u27F5','xlArr':'\u27F8','xmap':'\u27FC','xnis':'\u22FB','xodot':'\u2A00','xopf':'\uD835\uDD69','Xopf':'\uD835\uDD4F','xoplus':'\u2A01','xotime':'\u2A02','xrarr':'\u27F6','xrArr':'\u27F9','xscr':'\uD835\uDCCD','Xscr':'\uD835\uDCB3','xsqcup':'\u2A06','xuplus':'\u2A04','xutri':'\u25B3','xvee':'\u22C1','xwedge':'\u22C0','yacute':'\xFD','Yacute':'\xDD','yacy':'\u044F','YAcy':'\u042F','ycirc':'\u0177','Ycirc':'\u0176','ycy':'\u044B','Ycy':'\u042B','yen':'\xA5','yfr':'\uD835\uDD36','Yfr':'\uD835\uDD1C','yicy':'\u0457','YIcy':'\u0407','yopf':'\uD835\uDD6A','Yopf':'\uD835\uDD50','yscr':'\uD835\uDCCE','Yscr':'\uD835\uDCB4','yucy':'\u044E','YUcy':'\u042E','yuml':'\xFF','Yuml':'\u0178','zacute':'\u017A','Zacute':'\u0179','zcaron':'\u017E','Zcaron':'\u017D','zcy':'\u0437','Zcy':'\u0417','zdot':'\u017C','Zdot':'\u017B','zeetrf':'\u2128','ZeroWidthSpace':'\u200B','zeta':'\u03B6','Zeta':'\u0396','zfr':'\uD835\uDD37','Zfr':'\u2128','zhcy':'\u0436','ZHcy':'\u0416','zigrarr':'\u21DD','zopf':'\uD835\uDD6B','Zopf':'\u2124','zscr':'\uD835\uDCCF','Zscr':'\uD835\uDCB5','zwj':'\u200D','zwnj':'\u200C'}; + var decodeMapLegacy = {'aacute':'\xE1','Aacute':'\xC1','acirc':'\xE2','Acirc':'\xC2','acute':'\xB4','aelig':'\xE6','AElig':'\xC6','agrave':'\xE0','Agrave':'\xC0','amp':'&','AMP':'&','aring':'\xE5','Aring':'\xC5','atilde':'\xE3','Atilde':'\xC3','auml':'\xE4','Auml':'\xC4','brvbar':'\xA6','ccedil':'\xE7','Ccedil':'\xC7','cedil':'\xB8','cent':'\xA2','copy':'\xA9','COPY':'\xA9','curren':'\xA4','deg':'\xB0','divide':'\xF7','eacute':'\xE9','Eacute':'\xC9','ecirc':'\xEA','Ecirc':'\xCA','egrave':'\xE8','Egrave':'\xC8','eth':'\xF0','ETH':'\xD0','euml':'\xEB','Euml':'\xCB','frac12':'\xBD','frac14':'\xBC','frac34':'\xBE','gt':'>','GT':'>','iacute':'\xED','Iacute':'\xCD','icirc':'\xEE','Icirc':'\xCE','iexcl':'\xA1','igrave':'\xEC','Igrave':'\xCC','iquest':'\xBF','iuml':'\xEF','Iuml':'\xCF','laquo':'\xAB','lt':'<','LT':'<','macr':'\xAF','micro':'\xB5','middot':'\xB7','nbsp':'\xA0','not':'\xAC','ntilde':'\xF1','Ntilde':'\xD1','oacute':'\xF3','Oacute':'\xD3','ocirc':'\xF4','Ocirc':'\xD4','ograve':'\xF2','Ograve':'\xD2','ordf':'\xAA','ordm':'\xBA','oslash':'\xF8','Oslash':'\xD8','otilde':'\xF5','Otilde':'\xD5','ouml':'\xF6','Ouml':'\xD6','para':'\xB6','plusmn':'\xB1','pound':'\xA3','quot':'"','QUOT':'"','raquo':'\xBB','reg':'\xAE','REG':'\xAE','sect':'\xA7','shy':'\xAD','sup1':'\xB9','sup2':'\xB2','sup3':'\xB3','szlig':'\xDF','thorn':'\xFE','THORN':'\xDE','times':'\xD7','uacute':'\xFA','Uacute':'\xDA','ucirc':'\xFB','Ucirc':'\xDB','ugrave':'\xF9','Ugrave':'\xD9','uml':'\xA8','uuml':'\xFC','Uuml':'\xDC','yacute':'\xFD','Yacute':'\xDD','yen':'\xA5','yuml':'\xFF'}; + var decodeMapNumeric = {'0':'\uFFFD','128':'\u20AC','130':'\u201A','131':'\u0192','132':'\u201E','133':'\u2026','134':'\u2020','135':'\u2021','136':'\u02C6','137':'\u2030','138':'\u0160','139':'\u2039','140':'\u0152','142':'\u017D','145':'\u2018','146':'\u2019','147':'\u201C','148':'\u201D','149':'\u2022','150':'\u2013','151':'\u2014','152':'\u02DC','153':'\u2122','154':'\u0161','155':'\u203A','156':'\u0153','158':'\u017E','159':'\u0178'}; + var invalidReferenceCodePoints = [1,2,3,4,5,6,7,8,11,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,64976,64977,64978,64979,64980,64981,64982,64983,64984,64985,64986,64987,64988,64989,64990,64991,64992,64993,64994,64995,64996,64997,64998,64999,65000,65001,65002,65003,65004,65005,65006,65007,65534,65535,131070,131071,196606,196607,262142,262143,327678,327679,393214,393215,458750,458751,524286,524287,589822,589823,655358,655359,720894,720895,786430,786431,851966,851967,917502,917503,983038,983039,1048574,1048575,1114110,1114111]; + + /*--------------------------------------------------------------------------*/ + + var stringFromCharCode = String.fromCharCode; + + var object = {}; + var hasOwnProperty = object.hasOwnProperty; + var has = function(object, propertyName) { + return hasOwnProperty.call(object, propertyName); + }; + + var contains = function(array, value) { + var index = -1; + var length = array.length; + while (++index < length) { + if (array[index] == value) { + return true; + } + } + return false; + }; + + var merge = function(options, defaults) { + if (!options) { + return defaults; + } + var result = {}; + var key; + for (key in defaults) { + // A `hasOwnProperty` check is not needed here, since only recognized + // option names are used anyway. Any others are ignored. + result[key] = has(options, key) ? options[key] : defaults[key]; + } + return result; + }; + + // Modified version of `ucs2encode`; see https://mths.be/punycode. + var codePointToSymbol = function(codePoint, strict) { + var output = ''; + if ((codePoint >= 0xD800 && codePoint <= 0xDFFF) || codePoint > 0x10FFFF) { + // See issue #4: + // “Otherwise, if the number is in the range 0xD800 to 0xDFFF or is + // greater than 0x10FFFF, then this is a parse error. Return a U+FFFD + // REPLACEMENT CHARACTER.” + if (strict) { + parseError('character reference outside the permissible Unicode range'); + } + return '\uFFFD'; + } + if (has(decodeMapNumeric, codePoint)) { + if (strict) { + parseError('disallowed character reference'); + } + return decodeMapNumeric[codePoint]; + } + if (strict && contains(invalidReferenceCodePoints, codePoint)) { + parseError('disallowed character reference'); + } + if (codePoint > 0xFFFF) { + codePoint -= 0x10000; + output += stringFromCharCode(codePoint >>> 10 & 0x3FF | 0xD800); + codePoint = 0xDC00 | codePoint & 0x3FF; + } + output += stringFromCharCode(codePoint); + return output; + }; + + var hexEscape = function(codePoint) { + return '&#x' + codePoint.toString(16).toUpperCase() + ';'; + }; + + var decEscape = function(codePoint) { + return '&#' + codePoint + ';'; + }; + + var parseError = function(message) { + throw Error('Parse error: ' + message); + }; + + /*--------------------------------------------------------------------------*/ + + var encode = function(string, options) { + options = merge(options, encode.options); + var strict = options.strict; + if (strict && regexInvalidRawCodePoint.test(string)) { + parseError('forbidden code point'); + } + var encodeEverything = options.encodeEverything; + var useNamedReferences = options.useNamedReferences; + var allowUnsafeSymbols = options.allowUnsafeSymbols; + var escapeCodePoint = options.decimal ? decEscape : hexEscape; + + var escapeBmpSymbol = function(symbol) { + return escapeCodePoint(symbol.charCodeAt(0)); + }; + + if (encodeEverything) { + // Encode ASCII symbols. + string = string.replace(regexAsciiWhitelist, function(symbol) { + // Use named references if requested & possible. + if (useNamedReferences && has(encodeMap, symbol)) { + return '&' + encodeMap[symbol] + ';'; + } + return escapeBmpSymbol(symbol); + }); + // Shorten a few escapes that represent two symbols, of which at least one + // is within the ASCII range. + if (useNamedReferences) { + string = string + .replace(/>\u20D2/g, '>⃒') + .replace(/<\u20D2/g, '<⃒') + .replace(/fj/g, 'fj'); + } + // Encode non-ASCII symbols. + if (useNamedReferences) { + // Encode non-ASCII symbols that can be replaced with a named reference. + string = string.replace(regexEncodeNonAscii, function(string) { + // Note: there is no need to check `has(encodeMap, string)` here. + return '&' + encodeMap[string] + ';'; + }); + } + // Note: any remaining non-ASCII symbols are handled outside of the `if`. + } else if (useNamedReferences) { + // Apply named character references. + // Encode `<>"'&` using named character references. + if (!allowUnsafeSymbols) { + string = string.replace(regexEscape, function(string) { + return '&' + encodeMap[string] + ';'; // no need to check `has()` here + }); + } + // Shorten escapes that represent two symbols, of which at least one is + // `<>"'&`. + string = string + .replace(/>\u20D2/g, '>⃒') + .replace(/<\u20D2/g, '<⃒'); + // Encode non-ASCII symbols that can be replaced with a named reference. + string = string.replace(regexEncodeNonAscii, function(string) { + // Note: there is no need to check `has(encodeMap, string)` here. + return '&' + encodeMap[string] + ';'; + }); + } else if (!allowUnsafeSymbols) { + // Encode `<>"'&` using hexadecimal escapes, now that they’re not handled + // using named character references. + string = string.replace(regexEscape, escapeBmpSymbol); + } + return string + // Encode astral symbols. + .replace(regexAstralSymbols, function($0) { + // https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae + var high = $0.charCodeAt(0); + var low = $0.charCodeAt(1); + var codePoint = (high - 0xD800) * 0x400 + low - 0xDC00 + 0x10000; + return escapeCodePoint(codePoint); + }) + // Encode any remaining BMP symbols that are not printable ASCII symbols + // using a hexadecimal escape. + .replace(regexBmpWhitelist, escapeBmpSymbol); + }; + // Expose default options (so they can be overridden globally). + encode.options = { + 'allowUnsafeSymbols': false, + 'encodeEverything': false, + 'strict': false, + 'useNamedReferences': false, + 'decimal' : false + }; + + var decode = function(html, options) { + options = merge(options, decode.options); + var strict = options.strict; + if (strict && regexInvalidEntity.test(html)) { + parseError('malformed character reference'); + } + return html.replace(regexDecode, function($0, $1, $2, $3, $4, $5, $6, $7, $8) { + var codePoint; + var semicolon; + var decDigits; + var hexDigits; + var reference; + var next; + + if ($1) { + reference = $1; + // Note: there is no need to check `has(decodeMap, reference)`. + return decodeMap[reference]; + } + + if ($2) { + // Decode named character references without trailing `;`, e.g. `&`. + // This is only a parse error if it gets converted to `&`, or if it is + // followed by `=` in an attribute context. + reference = $2; + next = $3; + if (next && options.isAttributeValue) { + if (strict && next == '=') { + parseError('`&` did not start a character reference'); + } + return $0; + } else { + if (strict) { + parseError( + 'named character reference was not terminated by a semicolon' + ); + } + // Note: there is no need to check `has(decodeMapLegacy, reference)`. + return decodeMapLegacy[reference] + (next || ''); + } + } + + if ($4) { + // Decode decimal escapes, e.g. `𝌆`. + decDigits = $4; + semicolon = $5; + if (strict && !semicolon) { + parseError('character reference was not terminated by a semicolon'); + } + codePoint = parseInt(decDigits, 10); + return codePointToSymbol(codePoint, strict); + } + + if ($6) { + // Decode hexadecimal escapes, e.g. `𝌆`. + hexDigits = $6; + semicolon = $7; + if (strict && !semicolon) { + parseError('character reference was not terminated by a semicolon'); + } + codePoint = parseInt(hexDigits, 16); + return codePointToSymbol(codePoint, strict); + } + + // If we’re still here, `if ($7)` is implied; it’s an ambiguous + // ampersand for sure. https://mths.be/notes/ambiguous-ampersands + if (strict) { + parseError( + 'named character reference was not terminated by a semicolon' + ); + } + return $0; + }); + }; + // Expose default options (so they can be overridden globally). + decode.options = { + 'isAttributeValue': false, + 'strict': false + }; + + var escape = function(string) { + return string.replace(regexEscape, function($0) { + // Note: there is no need to check `has(escapeMap, $0)` here. + return escapeMap[$0]; + }); + }; + + /*--------------------------------------------------------------------------*/ + + var he = { + 'version': '1.2.0', + 'encode': encode, + 'decode': decode, + 'escape': escape, + 'unescape': decode + }; + + // Some AMD build optimizers, like r.js, check for specific condition patterns + // like the following: + if (freeExports && !freeExports.nodeType) { + if (freeModule) { // in Node.js, io.js, or RingoJS v0.8.0+ + freeModule.exports = he; + } else { // in Narwhal or RingoJS v0.7.0- + for (var key in he) { + has(he, key) && (freeExports[key] = he[key]); + } + } + } else { // in Rhino or a web browser + root.he = he; + } + + }(commonjsGlobal)); + }(he, he.exports)); + + (function (exports) { + + /** + * Various utility functions used throughout Mocha's codebase. + * @module utils + */ + + /** + * Module dependencies. + */ + var path = require$$1; + var util = require$$0$1; + var he$1 = he.exports; + + const MOCHA_ID_PROP_NAME = '__mocha_id__'; + + /** + * Inherit the prototype methods from one constructor into another. + * + * @param {function} ctor - Constructor function which needs to inherit the + * prototype. + * @param {function} superCtor - Constructor function to inherit prototype from. + * @throws {TypeError} if either constructor is null, or if super constructor + * lacks a prototype. + */ + exports.inherits = util.inherits; + + /** + * Escape special characters in the given string of html. + * + * @private + * @param {string} html + * @return {string} + */ + exports.escape = function (html) { + return he$1.encode(String(html), {useNamedReferences: false}); + }; + + /** + * Test if the given obj is type of string. + * + * @private + * @param {Object} obj + * @return {boolean} + */ + exports.isString = function (obj) { + return typeof obj === 'string'; + }; + + /** + * Compute a slug from the given `str`. + * + * @private + * @param {string} str + * @return {string} + */ + exports.slug = function (str) { + return str + .toLowerCase() + .replace(/\s+/g, '-') + .replace(/[^-\w]/g, '') + .replace(/-{2,}/g, '-'); + }; + + /** + * Strip the function definition from `str`, and re-indent for pre whitespace. + * + * @param {string} str + * @return {string} + */ + exports.clean = function (str) { + str = str + .replace(/\r\n?|[\n\u2028\u2029]/g, '\n') + .replace(/^\uFEFF/, '') + // (traditional)-> space/name parameters body (lambda)-> parameters body multi-statement/single keep body content + .replace( + /^function(?:\s*|\s[^(]*)\([^)]*\)\s*\{((?:.|\n)*?)\}$|^\([^)]*\)\s*=>\s*(?:\{((?:.|\n)*?)\}|((?:.|\n)*))$/, + '$1$2$3' + ); + + var spaces = str.match(/^\n?( *)/)[1].length; + var tabs = str.match(/^\n?(\t*)/)[1].length; + var re = new RegExp( + '^\n?' + (tabs ? '\t' : ' ') + '{' + (tabs || spaces) + '}', + 'gm' + ); + + str = str.replace(re, ''); + + return str.trim(); + }; + + /** + * If a value could have properties, and has none, this function is called, + * which returns a string representation of the empty value. + * + * Functions w/ no properties return `'[Function]'` + * Arrays w/ length === 0 return `'[]'` + * Objects w/ no properties return `'{}'` + * All else: return result of `value.toString()` + * + * @private + * @param {*} value The value to inspect. + * @param {string} typeHint The type of the value + * @returns {string} + */ + function emptyRepresentation(value, typeHint) { + switch (typeHint) { + case 'function': + return '[Function]'; + case 'object': + return '{}'; + case 'array': + return '[]'; + default: + return value.toString(); + } + } + + /** + * Takes some variable and asks `Object.prototype.toString()` what it thinks it + * is. + * + * @private + * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/toString + * @param {*} value The value to test. + * @returns {string} Computed type + * @example + * canonicalType({}) // 'object' + * canonicalType([]) // 'array' + * canonicalType(1) // 'number' + * canonicalType(false) // 'boolean' + * canonicalType(Infinity) // 'number' + * canonicalType(null) // 'null' + * canonicalType(new Date()) // 'date' + * canonicalType(/foo/) // 'regexp' + * canonicalType('type') // 'string' + * canonicalType(global) // 'global' + * canonicalType(new String('foo') // 'object' + * canonicalType(async function() {}) // 'asyncfunction' + * canonicalType(Object.create(null)) // 'null-prototype' + */ + var canonicalType = (exports.canonicalType = function canonicalType(value) { + if (value === undefined) { + return 'undefined'; + } else if (value === null) { + return 'null'; + } else if (isBuffer(value)) { + return 'buffer'; + } else if (Object.getPrototypeOf(value) === null) { + return 'null-prototype'; + } + + return Object.prototype.toString + .call(value) + .replace(/^\[.+\s(.+?)]$/, '$1') + .toLowerCase(); + }); + + /** + * + * Returns a general type or data structure of a variable + * @private + * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures + * @param {*} value The value to test. + * @returns {string} One of undefined, boolean, number, string, bigint, symbol, object + * @example + * type({}) // 'object' + * type([]) // 'array' + * type(1) // 'number' + * type(false) // 'boolean' + * type(Infinity) // 'number' + * type(null) // 'null' + * type(new Date()) // 'object' + * type(/foo/) // 'object' + * type('type') // 'string' + * type(global) // 'object' + * type(new String('foo') // 'string' + */ + exports.type = function type(value) { + // Null is special + if (value === null) return 'null'; + const primitives = new Set([ + 'undefined', + 'boolean', + 'number', + 'string', + 'bigint', + 'symbol' + ]); + const _type = typeof value; + if (_type === 'function') return _type; + if (primitives.has(_type)) return _type; + if (value instanceof String) return 'string'; + if (value instanceof Error) return 'error'; + if (Array.isArray(value)) return 'array'; + + return _type; + }; + + /** + * Stringify `value`. Different behavior depending on type of value: + * + * - If `value` is undefined or null, return `'[undefined]'` or `'[null]'`, respectively. + * - If `value` is not an object, function or array, return result of `value.toString()` wrapped in double-quotes. + * - If `value` is an *empty* object, function, or array, return result of function + * {@link emptyRepresentation}. + * - If `value` has properties, call {@link exports.canonicalize} on it, then return result of + * JSON.stringify(). + * + * @private + * @see exports.type + * @param {*} value + * @return {string} + */ + exports.stringify = function (value) { + var typeHint = canonicalType(value); + + if (!~['object', 'array', 'function', 'null-prototype'].indexOf(typeHint)) { + if (typeHint === 'buffer') { + var json = Buffer.prototype.toJSON.call(value); + // Based on the toJSON result + return jsonStringify( + json.data && json.type ? json.data : json, + 2 + ).replace(/,(\n|$)/g, '$1'); + } + + // IE7/IE8 has a bizarre String constructor; needs to be coerced + // into an array and back to obj. + if (typeHint === 'string' && typeof value === 'object') { + value = value.split('').reduce(function (acc, char, idx) { + acc[idx] = char; + return acc; + }, {}); + typeHint = 'object'; + } else { + return jsonStringify(value); + } + } + + for (var prop in value) { + if (Object.prototype.hasOwnProperty.call(value, prop)) { + return jsonStringify( + exports.canonicalize(value, null, typeHint), + 2 + ).replace(/,(\n|$)/g, '$1'); + } + } + + return emptyRepresentation(value, typeHint); + }; + + /** + * like JSON.stringify but more sense. + * + * @private + * @param {Object} object + * @param {number=} spaces + * @param {number=} depth + * @returns {*} + */ + function jsonStringify(object, spaces, depth) { + if (typeof spaces === 'undefined') { + // primitive types + return _stringify(object); + } + + depth = depth || 1; + var space = spaces * depth; + var str = Array.isArray(object) ? '[' : '{'; + var end = Array.isArray(object) ? ']' : '}'; + var length = + typeof object.length === 'number' + ? object.length + : Object.keys(object).length; + // `.repeat()` polyfill + function repeat(s, n) { + return new Array(n).join(s); + } + + function _stringify(val) { + switch (canonicalType(val)) { + case 'null': + case 'undefined': + val = '[' + val + ']'; + break; + case 'array': + case 'object': + val = jsonStringify(val, spaces, depth + 1); + break; + case 'boolean': + case 'regexp': + case 'symbol': + case 'number': + val = + val === 0 && 1 / val === -Infinity // `-0` + ? '-0' + : val.toString(); + break; + case 'bigint': + val = val.toString() + 'n'; + break; + case 'date': + var sDate = isNaN(val.getTime()) ? val.toString() : val.toISOString(); + val = '[Date: ' + sDate + ']'; + break; + case 'buffer': + var json = val.toJSON(); + // Based on the toJSON result + json = json.data && json.type ? json.data : json; + val = '[Buffer: ' + jsonStringify(json, 2, depth + 1) + ']'; + break; + default: + val = + val === '[Function]' || val === '[Circular]' + ? val + : JSON.stringify(val); // string + } + return val; + } + + for (var i in object) { + if (!Object.prototype.hasOwnProperty.call(object, i)) { + continue; // not my business + } + --length; + str += + '\n ' + + repeat(' ', space) + + (Array.isArray(object) ? '' : '"' + i + '": ') + // key + _stringify(object[i]) + // value + (length ? ',' : ''); // comma + } + + return ( + str + + // [], {} + (str.length !== 1 ? '\n' + repeat(' ', --space) + end : end) + ); + } + + /** + * Return a new Thing that has the keys in sorted order. Recursive. + * + * If the Thing... + * - has already been seen, return string `'[Circular]'` + * - is `undefined`, return string `'[undefined]'` + * - is `null`, return value `null` + * - is some other primitive, return the value + * - is not a primitive or an `Array`, `Object`, or `Function`, return the value of the Thing's `toString()` method + * - is a non-empty `Array`, `Object`, or `Function`, return the result of calling this function again. + * - is an empty `Array`, `Object`, or `Function`, return the result of calling `emptyRepresentation()` + * + * @private + * @see {@link exports.stringify} + * @param {*} value Thing to inspect. May or may not have properties. + * @param {Array} [stack=[]] Stack of seen values + * @param {string} [typeHint] Type hint + * @return {(Object|Array|Function|string|undefined)} + */ + exports.canonicalize = function canonicalize(value, stack, typeHint) { + var canonicalizedObj; + /* eslint-disable no-unused-vars */ + var prop; + /* eslint-enable no-unused-vars */ + typeHint = typeHint || canonicalType(value); + function withStack(value, fn) { + stack.push(value); + fn(); + stack.pop(); + } + + stack = stack || []; + + if (stack.indexOf(value) !== -1) { + return '[Circular]'; + } + + switch (typeHint) { + case 'undefined': + case 'buffer': + case 'null': + canonicalizedObj = value; + break; + case 'array': + withStack(value, function () { + canonicalizedObj = value.map(function (item) { + return exports.canonicalize(item, stack); + }); + }); + break; + case 'function': + /* eslint-disable-next-line no-unused-vars, no-unreachable-loop */ + for (prop in value) { + canonicalizedObj = {}; + break; + } + /* eslint-enable guard-for-in */ + if (!canonicalizedObj) { + canonicalizedObj = emptyRepresentation(value, typeHint); + break; + } + /* falls through */ + case 'null-prototype': + case 'object': + canonicalizedObj = canonicalizedObj || {}; + if (typeHint === 'null-prototype' && Symbol.toStringTag in value) { + canonicalizedObj['[Symbol.toStringTag]'] = value[Symbol.toStringTag]; + } + withStack(value, function () { + Object.keys(value) + .sort() + .forEach(function (key) { + canonicalizedObj[key] = exports.canonicalize(value[key], stack); + }); + }); + break; + case 'date': + case 'number': + case 'regexp': + case 'boolean': + case 'symbol': + canonicalizedObj = value; + break; + default: + canonicalizedObj = value + ''; + } + + return canonicalizedObj; + }; + + /** + * @summary + * This Filter based on `mocha-clean` module.(see: `github.com/rstacruz/mocha-clean`) + * @description + * When invoking this function you get a filter function that get the Error.stack as an input, + * and return a prettify output. + * (i.e: strip Mocha and internal node functions from stack trace). + * @returns {Function} + */ + exports.stackTraceFilter = function () { + // TODO: Replace with `process.browser` + var is = typeof document === 'undefined' ? {node: true} : {browser: true}; + var slash = path.sep; + var cwd; + if (is.node) { + cwd = exports.cwd() + slash; + } else { + cwd = ( + typeof location === 'undefined' ? window.location : location + ).href.replace(/\/[^/]*$/, '/'); + slash = '/'; + } + + function isMochaInternal(line) { + return ( + ~line.indexOf('node_modules' + slash + 'mocha' + slash) || + ~line.indexOf(slash + 'mocha.js') || + ~line.indexOf(slash + 'mocha.min.js') + ); + } + + function isNodeInternal(line) { + return ( + ~line.indexOf('(timers.js:') || + ~line.indexOf('(events.js:') || + ~line.indexOf('(node.js:') || + ~line.indexOf('(module.js:') || + ~line.indexOf('GeneratorFunctionPrototype.next (native)') || + false + ); + } + + return function (stack) { + stack = stack.split('\n'); + + stack = stack.reduce(function (list, line) { + if (isMochaInternal(line)) { + return list; + } + + if (is.node && isNodeInternal(line)) { + return list; + } + + // Clean up cwd(absolute) + if (/:\d+:\d+\)?$/.test(line)) { + line = line.replace('(' + cwd, '('); + } + + list.push(line); + return list; + }, []); + + return stack.join('\n'); + }; + }; + + /** + * Crude, but effective. + * @public + * @param {*} value + * @returns {boolean} Whether or not `value` is a Promise + */ + exports.isPromise = function isPromise(value) { + return ( + typeof value === 'object' && + value !== null && + typeof value.then === 'function' + ); + }; + + /** + * Clamps a numeric value to an inclusive range. + * + * @param {number} value - Value to be clamped. + * @param {number[]} range - Two element array specifying [min, max] range. + * @returns {number} clamped value + */ + exports.clamp = function clamp(value, range) { + return Math.min(Math.max(value, range[0]), range[1]); + }; + + /** + * It's a noop. + * @public + */ + exports.noop = function () {}; + + /** + * Creates a map-like object. + * + * @description + * A "map" is an object with no prototype, for our purposes. In some cases + * this would be more appropriate than a `Map`, especially if your environment + * doesn't support it. Recommended for use in Mocha's public APIs. + * + * @public + * @see {@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map#Custom_and_Null_objects|MDN:Map} + * @see {@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/create#Custom_and_Null_objects|MDN:Object.create - Custom objects} + * @see {@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign#Custom_and_Null_objects|MDN:Object.assign} + * @param {...*} [obj] - Arguments to `Object.assign()`. + * @returns {Object} An object with no prototype, having `...obj` properties + */ + exports.createMap = function (obj) { + return Object.assign.apply( + null, + [Object.create(null)].concat(Array.prototype.slice.call(arguments)) + ); + }; + + /** + * Creates a read-only map-like object. + * + * @description + * This differs from {@link module:utils.createMap createMap} only in that + * the argument must be non-empty, because the result is frozen. + * + * @see {@link module:utils.createMap createMap} + * @param {...*} [obj] - Arguments to `Object.assign()`. + * @returns {Object} A frozen object with no prototype, having `...obj` properties + * @throws {TypeError} if argument is not a non-empty object. + */ + exports.defineConstants = function (obj) { + if (canonicalType(obj) !== 'object' || !Object.keys(obj).length) { + throw new TypeError('Invalid argument; expected a non-empty object'); + } + return Object.freeze(exports.createMap(obj)); + }; + + /** + * Returns current working directory + * + * Wrapper around `process.cwd()` for isolation + * @private + */ + exports.cwd = function cwd() { + return process.cwd(); + }; + + /** + * Returns `true` if Mocha is running in a browser. + * Checks for `process.browser`. + * @returns {boolean} + * @private + */ + exports.isBrowser = function isBrowser() { + return Boolean(browser$2); + }; + + /* + * Casts `value` to an array; useful for optionally accepting array parameters + * + * It follows these rules, depending on `value`. If `value` is... + * 1. `undefined`: return an empty Array + * 2. `null`: return an array with a single `null` element + * 3. Any other object: return the value of `Array.from()` _if_ the object is iterable + * 4. otherwise: return an array with a single element, `value` + * @param {*} value - Something to cast to an Array + * @returns {Array<*>} + */ + exports.castArray = function castArray(value) { + if (value === undefined) { + return []; + } + if (value === null) { + return [null]; + } + if ( + typeof value === 'object' && + (typeof value[Symbol.iterator] === 'function' || value.length !== undefined) + ) { + return Array.from(value); + } + return [value]; + }; + + exports.constants = exports.defineConstants({ + MOCHA_ID_PROP_NAME + }); + + const uniqueIDBase = + 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_'; + + /** + * Creates a new unique identifier + * Does not create cryptographically safe ids. + * Trivial copy of nanoid/non-secure + * @returns {string} Unique identifier + */ + exports.uniqueID = () => { + let id = ''; + for (let i = 0; i < 21; i++) { + id += uniqueIDBase[(Math.random() * 64) | 0]; + } + return id; + }; + + exports.assignNewMochaID = obj => { + const id = exports.uniqueID(); + Object.defineProperty(obj, MOCHA_ID_PROP_NAME, { + get() { + return id; + } + }); + return obj; + }; + + /** + * Retrieves a Mocha ID from an object, if present. + * @param {*} [obj] - Object + * @returns {string|void} + */ + exports.getMochaID = obj => + obj && typeof obj === 'object' ? obj[MOCHA_ID_PROP_NAME] : undefined; + + /** + * Replaces any detected circular dependency with the string '[Circular]' + * Mutates original object + * @param inputObj {*} + * @returns {*} + */ + exports.breakCircularDeps = inputObj => { + const seen = new Set(); + + function _breakCircularDeps(obj) { + if (obj && typeof obj !== 'object') { + return obj; + } + + if (seen.has(obj)) { + return '[Circular]'; + } + + seen.add(obj); + for (const k in obj) { + const descriptor = Object.getOwnPropertyDescriptor(obj, k); + + if (descriptor && descriptor.writable) { + obj[k] = _breakCircularDeps(obj[k]); + } + } + + // deleting means only a seen object that is its own child will be detected + seen.delete(obj); + return obj; + } + + return _breakCircularDeps(inputObj); + }; + }(utils$3)); + + var _nodeResolve_empty = {}; + + var _nodeResolve_empty$1 = /*#__PURE__*/Object.freeze({ + __proto__: null, + 'default': _nodeResolve_empty + }); + + var require$$18 = /*@__PURE__*/getAugmentedNamespace(_nodeResolve_empty$1); + + var browser$1 = { + info: 'ℹ️', + success: '✅', + warning: '⚠️', + error: '❌️' + }; + + var require$$0 = /*@__PURE__*/getAugmentedNamespace(_polyfillNode_events); + + /** + @module Pending + */ + + var pending = Pending$2; + + /** + * Initialize a new `Pending` error with the given message. + * + * @param {string} message + */ + function Pending$2(message) { + this.message = message; + } + + var browser = {exports: {}}; + + /** + * Helpers. + */ + + var s = 1000; + var m = s * 60; + var h = m * 60; + var d = h * 24; + var w = d * 7; + var y = d * 365.25; + + /** + * Parse or format the given `val`. + * + * Options: + * + * - `long` verbose formatting [false] + * + * @param {String|Number} val + * @param {Object} [options] + * @throws {Error} throw an error if val is not a non-empty string or a number + * @return {String|Number} + * @api public + */ + + var ms = function(val, options) { + options = options || {}; + var type = typeof val; + if (type === 'string' && val.length > 0) { + return parse(val); + } else if (type === 'number' && isFinite(val)) { + return options.long ? fmtLong(val) : fmtShort(val); + } + throw new Error( + 'val is not a non-empty string or a valid number. val=' + + JSON.stringify(val) + ); + }; + + /** + * Parse the given `str` and return milliseconds. + * + * @param {String} str + * @return {Number} + * @api private + */ + + function parse(str) { + str = String(str); + if (str.length > 100) { + return; + } + var match = /^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec( + str + ); + if (!match) { + return; + } + var n = parseFloat(match[1]); + var type = (match[2] || 'ms').toLowerCase(); + switch (type) { + case 'years': + case 'year': + case 'yrs': + case 'yr': + case 'y': + return n * y; + case 'weeks': + case 'week': + case 'w': + return n * w; + case 'days': + case 'day': + case 'd': + return n * d; + case 'hours': + case 'hour': + case 'hrs': + case 'hr': + case 'h': + return n * h; + case 'minutes': + case 'minute': + case 'mins': + case 'min': + case 'm': + return n * m; + case 'seconds': + case 'second': + case 'secs': + case 'sec': + case 's': + return n * s; + case 'milliseconds': + case 'millisecond': + case 'msecs': + case 'msec': + case 'ms': + return n; + default: + return undefined; + } + } + + /** + * Short format for `ms`. + * + * @param {Number} ms + * @return {String} + * @api private + */ + + function fmtShort(ms) { + var msAbs = Math.abs(ms); + if (msAbs >= d) { + return Math.round(ms / d) + 'd'; + } + if (msAbs >= h) { + return Math.round(ms / h) + 'h'; + } + if (msAbs >= m) { + return Math.round(ms / m) + 'm'; + } + if (msAbs >= s) { + return Math.round(ms / s) + 's'; + } + return ms + 'ms'; + } + + /** + * Long format for `ms`. + * + * @param {Number} ms + * @return {String} + * @api private + */ + + function fmtLong(ms) { + var msAbs = Math.abs(ms); + if (msAbs >= d) { + return plural(ms, msAbs, d, 'day'); + } + if (msAbs >= h) { + return plural(ms, msAbs, h, 'hour'); + } + if (msAbs >= m) { + return plural(ms, msAbs, m, 'minute'); + } + if (msAbs >= s) { + return plural(ms, msAbs, s, 'second'); + } + return ms + ' ms'; + } + + /** + * Pluralization helper. + */ + + function plural(ms, msAbs, n, name) { + var isPlural = msAbs >= n * 1.5; + return Math.round(ms / n) + ' ' + name + (isPlural ? 's' : ''); + } + + /** + * This is the common logic for both the Node.js and web browser + * implementations of `debug()`. + */ + + function setup(env) { + createDebug.debug = createDebug; + createDebug.default = createDebug; + createDebug.coerce = coerce; + createDebug.disable = disable; + createDebug.enable = enable; + createDebug.enabled = enabled; + createDebug.humanize = ms; + createDebug.destroy = destroy; + + Object.keys(env).forEach(key => { + createDebug[key] = env[key]; + }); + + /** + * The currently active debug mode names, and names to skip. + */ + + createDebug.names = []; + createDebug.skips = []; + + /** + * Map of special "%n" handling functions, for the debug "format" argument. + * + * Valid key names are a single, lower or upper-case letter, i.e. "n" and "N". + */ + createDebug.formatters = {}; + + /** + * Selects a color for a debug namespace + * @param {String} namespace The namespace string for the debug instance to be colored + * @return {Number|String} An ANSI color code for the given namespace + * @api private + */ + function selectColor(namespace) { + let hash = 0; + + for (let i = 0; i < namespace.length; i++) { + hash = ((hash << 5) - hash) + namespace.charCodeAt(i); + hash |= 0; // Convert to 32bit integer + } + + return createDebug.colors[Math.abs(hash) % createDebug.colors.length]; + } + createDebug.selectColor = selectColor; + + /** + * Create a debugger with the given `namespace`. + * + * @param {String} namespace + * @return {Function} + * @api public + */ + function createDebug(namespace) { + let prevTime; + let enableOverride = null; + let namespacesCache; + let enabledCache; + + function debug(...args) { + // Disabled? + if (!debug.enabled) { + return; + } + + const self = debug; + + // Set `diff` timestamp + const curr = Number(new Date()); + const ms = curr - (prevTime || curr); + self.diff = ms; + self.prev = prevTime; + self.curr = curr; + prevTime = curr; + + args[0] = createDebug.coerce(args[0]); + + if (typeof args[0] !== 'string') { + // Anything else let's inspect with %O + args.unshift('%O'); + } + + // Apply any `formatters` transformations + let index = 0; + args[0] = args[0].replace(/%([a-zA-Z%])/g, (match, format) => { + // If we encounter an escaped % then don't increase the array index + if (match === '%%') { + return '%'; + } + index++; + const formatter = createDebug.formatters[format]; + if (typeof formatter === 'function') { + const val = args[index]; + match = formatter.call(self, val); + + // Now we need to remove `args[index]` since it's inlined in the `format` + args.splice(index, 1); + index--; + } + return match; + }); + + // Apply env-specific formatting (colors, etc.) + createDebug.formatArgs.call(self, args); + + const logFn = self.log || createDebug.log; + logFn.apply(self, args); + } + + debug.namespace = namespace; + debug.useColors = createDebug.useColors(); + debug.color = createDebug.selectColor(namespace); + debug.extend = extend; + debug.destroy = createDebug.destroy; // XXX Temporary. Will be removed in the next major release. + + Object.defineProperty(debug, 'enabled', { + enumerable: true, + configurable: false, + get: () => { + if (enableOverride !== null) { + return enableOverride; + } + if (namespacesCache !== createDebug.namespaces) { + namespacesCache = createDebug.namespaces; + enabledCache = createDebug.enabled(namespace); + } + + return enabledCache; + }, + set: v => { + enableOverride = v; + } + }); + + // Env-specific initialization logic for debug instances + if (typeof createDebug.init === 'function') { + createDebug.init(debug); + } + + return debug; + } + + function extend(namespace, delimiter) { + const newDebug = createDebug(this.namespace + (typeof delimiter === 'undefined' ? ':' : delimiter) + namespace); + newDebug.log = this.log; + return newDebug; + } + + /** + * Enables a debug mode by namespaces. This can include modes + * separated by a colon and wildcards. + * + * @param {String} namespaces + * @api public + */ + function enable(namespaces) { + createDebug.save(namespaces); + createDebug.namespaces = namespaces; + + createDebug.names = []; + createDebug.skips = []; + + let i; + const split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/); + const len = split.length; + + for (i = 0; i < len; i++) { + if (!split[i]) { + // ignore empty strings + continue; + } + + namespaces = split[i].replace(/\*/g, '.*?'); + + if (namespaces[0] === '-') { + createDebug.skips.push(new RegExp('^' + namespaces.slice(1) + '$')); + } else { + createDebug.names.push(new RegExp('^' + namespaces + '$')); + } + } + } + + /** + * Disable debug output. + * + * @return {String} namespaces + * @api public + */ + function disable() { + const namespaces = [ + ...createDebug.names.map(toNamespace), + ...createDebug.skips.map(toNamespace).map(namespace => '-' + namespace) + ].join(','); + createDebug.enable(''); + return namespaces; + } + + /** + * Returns true if the given mode name is enabled, false otherwise. + * + * @param {String} name + * @return {Boolean} + * @api public + */ + function enabled(name) { + if (name[name.length - 1] === '*') { + return true; + } + + let i; + let len; + + for (i = 0, len = createDebug.skips.length; i < len; i++) { + if (createDebug.skips[i].test(name)) { + return false; + } + } + + for (i = 0, len = createDebug.names.length; i < len; i++) { + if (createDebug.names[i].test(name)) { + return true; + } + } + + return false; + } + + /** + * Convert regexp to namespace + * + * @param {RegExp} regxep + * @return {String} namespace + * @api private + */ + function toNamespace(regexp) { + return regexp.toString() + .substring(2, regexp.toString().length - 2) + .replace(/\.\*\?$/, '*'); + } + + /** + * Coerce `val`. + * + * @param {Mixed} val + * @return {Mixed} + * @api private + */ + function coerce(val) { + if (val instanceof Error) { + return val.stack || val.message; + } + return val; + } + + /** + * XXX DO NOT USE. This is a temporary stub function. + * XXX It WILL be removed in the next major release. + */ + function destroy() { + console.warn('Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.'); + } + + createDebug.enable(createDebug.load()); + + return createDebug; + } + + var common$1 = setup; + + (function (module, exports) { + /** + * This is the web browser implementation of `debug()`. + */ + + exports.formatArgs = formatArgs; + exports.save = save; + exports.load = load; + exports.useColors = useColors; + exports.storage = localstorage(); + exports.destroy = (() => { + let warned = false; + + return () => { + if (!warned) { + warned = true; + console.warn('Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.'); + } + }; + })(); + + /** + * Colors. + */ + + exports.colors = [ + '#0000CC', + '#0000FF', + '#0033CC', + '#0033FF', + '#0066CC', + '#0066FF', + '#0099CC', + '#0099FF', + '#00CC00', + '#00CC33', + '#00CC66', + '#00CC99', + '#00CCCC', + '#00CCFF', + '#3300CC', + '#3300FF', + '#3333CC', + '#3333FF', + '#3366CC', + '#3366FF', + '#3399CC', + '#3399FF', + '#33CC00', + '#33CC33', + '#33CC66', + '#33CC99', + '#33CCCC', + '#33CCFF', + '#6600CC', + '#6600FF', + '#6633CC', + '#6633FF', + '#66CC00', + '#66CC33', + '#9900CC', + '#9900FF', + '#9933CC', + '#9933FF', + '#99CC00', + '#99CC33', + '#CC0000', + '#CC0033', + '#CC0066', + '#CC0099', + '#CC00CC', + '#CC00FF', + '#CC3300', + '#CC3333', + '#CC3366', + '#CC3399', + '#CC33CC', + '#CC33FF', + '#CC6600', + '#CC6633', + '#CC9900', + '#CC9933', + '#CCCC00', + '#CCCC33', + '#FF0000', + '#FF0033', + '#FF0066', + '#FF0099', + '#FF00CC', + '#FF00FF', + '#FF3300', + '#FF3333', + '#FF3366', + '#FF3399', + '#FF33CC', + '#FF33FF', + '#FF6600', + '#FF6633', + '#FF9900', + '#FF9933', + '#FFCC00', + '#FFCC33' + ]; + + /** + * Currently only WebKit-based Web Inspectors, Firefox >= v31, + * and the Firebug extension (any Firefox version) are known + * to support "%c" CSS customizations. + * + * TODO: add a `localStorage` variable to explicitly enable/disable colors + */ + + // eslint-disable-next-line complexity + function useColors() { + // NB: In an Electron preload script, document will be defined but not fully + // initialized. Since we know we're in Chrome, we'll just detect this case + // explicitly + if (typeof window !== 'undefined' && window.process && (window.process.type === 'renderer' || window.process.__nwjs)) { + return true; + } + + // Internet Explorer and Edge do not support colors. + if (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/(edge|trident)\/(\d+)/)) { + return false; + } + + // Is webkit? http://stackoverflow.com/a/16459606/376773 + // document is undefined in react-native: https://github.com/facebook/react-native/pull/1632 + return (typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance) || + // Is firebug? http://stackoverflow.com/a/398120/376773 + (typeof window !== 'undefined' && window.console && (window.console.firebug || (window.console.exception && window.console.table))) || + // Is firefox >= v31? + // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages + (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31) || + // Double check webkit in userAgent just in case we are in a worker + (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/)); + } + + /** + * Colorize log arguments if enabled. + * + * @api public + */ + + function formatArgs(args) { + args[0] = (this.useColors ? '%c' : '') + + this.namespace + + (this.useColors ? ' %c' : ' ') + + args[0] + + (this.useColors ? '%c ' : ' ') + + '+' + module.exports.humanize(this.diff); + + if (!this.useColors) { + return; + } + + const c = 'color: ' + this.color; + args.splice(1, 0, c, 'color: inherit'); + + // The final "%c" is somewhat tricky, because there could be other + // arguments passed either before or after the %c, so we need to + // figure out the correct index to insert the CSS into + let index = 0; + let lastC = 0; + args[0].replace(/%[a-zA-Z%]/g, match => { + if (match === '%%') { + return; + } + index++; + if (match === '%c') { + // We only are interested in the *last* %c + // (the user may have provided their own) + lastC = index; + } + }); + + args.splice(lastC, 0, c); + } + + /** + * Invokes `console.debug()` when available. + * No-op when `console.debug` is not a "function". + * If `console.debug` is not available, falls back + * to `console.log`. + * + * @api public + */ + exports.log = console.debug || console.log || (() => {}); + + /** + * Save `namespaces`. + * + * @param {String} namespaces + * @api private + */ + function save(namespaces) { + try { + if (namespaces) { + exports.storage.setItem('debug', namespaces); + } else { + exports.storage.removeItem('debug'); + } + } catch (error) { + // Swallow + // XXX (@Qix-) should we be logging these? + } + } + + /** + * Load `namespaces`. + * + * @return {String} returns the previously persisted debug modes + * @api private + */ + function load() { + let r; + try { + r = exports.storage.getItem('debug'); + } catch (error) { + // Swallow + // XXX (@Qix-) should we be logging these? + } + + // If debug isn't set in LS, and we're in Electron, try to load $DEBUG + if (!r && typeof process !== 'undefined' && 'env' in process) { + r = process.env.DEBUG; + } + + return r; + } + + /** + * Localstorage attempts to return the localstorage. + * + * This is necessary because safari throws + * when a user disables cookies/localstorage + * and you attempt to access it. + * + * @return {LocalStorage} + * @api private + */ + + function localstorage() { + try { + // TVMLKit (Apple TV JS Runtime) does not have a window object, just localStorage in the global context + // The Browser also has localStorage in the global context. + return localStorage; + } catch (error) { + // Swallow + // XXX (@Qix-) should we be logging these? + } + } + + module.exports = common$1(exports); + + const {formatters} = module.exports; + + /** + * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default. + */ + + formatters.j = function (v) { + try { + return JSON.stringify(v); + } catch (error) { + return '[UnexpectedJSONParseError]: ' + error.message; + } + }; + }(browser, browser.exports)); + + const {format} = require$$0$1; + + /** + * Contains error codes, factory functions to create throwable error objects, + * and warning/deprecation functions. + * @module + */ + + /** + * process.emitWarning or a polyfill + * @see https://nodejs.org/api/process.html#process_process_emitwarning_warning_options + * @ignore + */ + const emitWarning = (msg, type) => { + if (process.emitWarning) { + process.emitWarning(msg, type); + } else { + /* istanbul ignore next */ + nextTick$1(function () { + console.warn(type + ': ' + msg); + }); + } + }; + + /** + * Show a deprecation warning. Each distinct message is only displayed once. + * Ignores empty messages. + * + * @param {string} [msg] - Warning to print + * @private + */ + const deprecate = msg => { + msg = String(msg); + if (msg && !deprecate.cache[msg]) { + deprecate.cache[msg] = true; + emitWarning(msg, 'DeprecationWarning'); + } + }; + deprecate.cache = {}; + + /** + * Show a generic warning. + * Ignores empty messages. + * + * @param {string} [msg] - Warning to print + * @private + */ + const warn = msg => { + if (msg) { + emitWarning(msg); + } + }; + + /** + * When Mocha throws exceptions (or rejects `Promise`s), it attempts to assign a `code` property to the `Error` object, for easier handling. These are the potential values of `code`. + * @public + * @namespace + * @memberof module:lib/errors + */ + var constants$4 = { + /** + * An unrecoverable error. + * @constant + * @default + */ + FATAL: 'ERR_MOCHA_FATAL', + + /** + * The type of an argument to a function call is invalid + * @constant + * @default + */ + INVALID_ARG_TYPE: 'ERR_MOCHA_INVALID_ARG_TYPE', + + /** + * The value of an argument to a function call is invalid + * @constant + * @default + */ + INVALID_ARG_VALUE: 'ERR_MOCHA_INVALID_ARG_VALUE', + + /** + * Something was thrown, but it wasn't an `Error` + * @constant + * @default + */ + INVALID_EXCEPTION: 'ERR_MOCHA_INVALID_EXCEPTION', + + /** + * An interface (e.g., `Mocha.interfaces`) is unknown or invalid + * @constant + * @default + */ + INVALID_INTERFACE: 'ERR_MOCHA_INVALID_INTERFACE', + + /** + * A reporter (.e.g, `Mocha.reporters`) is unknown or invalid + * @constant + * @default + */ + INVALID_REPORTER: 'ERR_MOCHA_INVALID_REPORTER', + + /** + * `done()` was called twice in a `Test` or `Hook` callback + * @constant + * @default + */ + MULTIPLE_DONE: 'ERR_MOCHA_MULTIPLE_DONE', + + /** + * No files matched the pattern provided by the user + * @constant + * @default + */ + NO_FILES_MATCH_PATTERN: 'ERR_MOCHA_NO_FILES_MATCH_PATTERN', + + /** + * Known, but unsupported behavior of some kind + * @constant + * @default + */ + UNSUPPORTED: 'ERR_MOCHA_UNSUPPORTED', + + /** + * Invalid state transition occurring in `Mocha` instance + * @constant + * @default + */ + INSTANCE_ALREADY_RUNNING: 'ERR_MOCHA_INSTANCE_ALREADY_RUNNING', + + /** + * Invalid state transition occurring in `Mocha` instance + * @constant + * @default + */ + INSTANCE_ALREADY_DISPOSED: 'ERR_MOCHA_INSTANCE_ALREADY_DISPOSED', + + /** + * Use of `only()` w/ `--forbid-only` results in this error. + * @constant + * @default + */ + FORBIDDEN_EXCLUSIVITY: 'ERR_MOCHA_FORBIDDEN_EXCLUSIVITY', + + /** + * To be thrown when a user-defined plugin implementation (e.g., `mochaHooks`) is invalid + * @constant + * @default + */ + INVALID_PLUGIN_IMPLEMENTATION: 'ERR_MOCHA_INVALID_PLUGIN_IMPLEMENTATION', + + /** + * To be thrown when a builtin or third-party plugin definition (the _definition_ of `mochaHooks`) is invalid + * @constant + * @default + */ + INVALID_PLUGIN_DEFINITION: 'ERR_MOCHA_INVALID_PLUGIN_DEFINITION', + + /** + * When a runnable exceeds its allowed run time. + * @constant + * @default + */ + TIMEOUT: 'ERR_MOCHA_TIMEOUT', + + /** + * Input file is not able to be parsed + * @constant + * @default + */ + UNPARSABLE_FILE: 'ERR_MOCHA_UNPARSABLE_FILE' + }; + + /** + * A set containing all string values of all Mocha error constants, for use by {@link isMochaError}. + * @private + */ + const MOCHA_ERRORS = new Set(Object.values(constants$4)); + + /** + * Creates an error object to be thrown when no files to be tested could be found using specified pattern. + * + * @public + * @static + * @param {string} message - Error message to be displayed. + * @param {string} pattern - User-specified argument value. + * @returns {Error} instance detailing the error condition + */ + function createNoFilesMatchPatternError(message, pattern) { + var err = new Error(message); + err.code = constants$4.NO_FILES_MATCH_PATTERN; + err.pattern = pattern; + return err; + } + + /** + * Creates an error object to be thrown when the reporter specified in the options was not found. + * + * @public + * @param {string} message - Error message to be displayed. + * @param {string} reporter - User-specified reporter value. + * @returns {Error} instance detailing the error condition + */ + function createInvalidReporterError(message, reporter) { + var err = new TypeError(message); + err.code = constants$4.INVALID_REPORTER; + err.reporter = reporter; + return err; + } + + /** + * Creates an error object to be thrown when the interface specified in the options was not found. + * + * @public + * @static + * @param {string} message - Error message to be displayed. + * @param {string} ui - User-specified interface value. + * @returns {Error} instance detailing the error condition + */ + function createInvalidInterfaceError(message, ui) { + var err = new Error(message); + err.code = constants$4.INVALID_INTERFACE; + err.interface = ui; + return err; + } + + /** + * Creates an error object to be thrown when a behavior, option, or parameter is unsupported. + * + * @public + * @static + * @param {string} message - Error message to be displayed. + * @returns {Error} instance detailing the error condition + */ + function createUnsupportedError$2(message) { + var err = new Error(message); + err.code = constants$4.UNSUPPORTED; + return err; + } + + /** + * Creates an error object to be thrown when an argument is missing. + * + * @public + * @static + * @param {string} message - Error message to be displayed. + * @param {string} argument - Argument name. + * @param {string} expected - Expected argument datatype. + * @returns {Error} instance detailing the error condition + */ + function createMissingArgumentError$1(message, argument, expected) { + return createInvalidArgumentTypeError$1(message, argument, expected); + } + + /** + * Creates an error object to be thrown when an argument did not use the supported type + * + * @public + * @static + * @param {string} message - Error message to be displayed. + * @param {string} argument - Argument name. + * @param {string} expected - Expected argument datatype. + * @returns {Error} instance detailing the error condition + */ + function createInvalidArgumentTypeError$1(message, argument, expected) { + var err = new TypeError(message); + err.code = constants$4.INVALID_ARG_TYPE; + err.argument = argument; + err.expected = expected; + err.actual = typeof argument; + return err; + } + + /** + * Creates an error object to be thrown when an argument did not use the supported value + * + * @public + * @static + * @param {string} message - Error message to be displayed. + * @param {string} argument - Argument name. + * @param {string} value - Argument value. + * @param {string} [reason] - Why value is invalid. + * @returns {Error} instance detailing the error condition + */ + function createInvalidArgumentValueError(message, argument, value, reason) { + var err = new TypeError(message); + err.code = constants$4.INVALID_ARG_VALUE; + err.argument = argument; + err.value = value; + err.reason = typeof reason !== 'undefined' ? reason : 'is invalid'; + return err; + } + + /** + * Creates an error object to be thrown when an exception was caught, but the `Error` is falsy or undefined. + * + * @public + * @static + * @param {string} message - Error message to be displayed. + * @returns {Error} instance detailing the error condition + */ + function createInvalidExceptionError$2(message, value) { + var err = new Error(message); + err.code = constants$4.INVALID_EXCEPTION; + err.valueType = typeof value; + err.value = value; + return err; + } + + /** + * Creates an error object to be thrown when an unrecoverable error occurs. + * + * @public + * @static + * @param {string} message - Error message to be displayed. + * @returns {Error} instance detailing the error condition + */ + function createFatalError$1(message, value) { + var err = new Error(message); + err.code = constants$4.FATAL; + err.valueType = typeof value; + err.value = value; + return err; + } + + /** + * Dynamically creates a plugin-type-specific error based on plugin type + * @param {string} message - Error message + * @param {"reporter"|"ui"} pluginType - Plugin type. Future: expand as needed + * @param {string} [pluginId] - Name/path of plugin, if any + * @throws When `pluginType` is not known + * @public + * @static + * @returns {Error} + */ + function createInvalidLegacyPluginError(message, pluginType, pluginId) { + switch (pluginType) { + case 'reporter': + return createInvalidReporterError(message, pluginId); + case 'ui': + return createInvalidInterfaceError(message, pluginId); + default: + throw new Error('unknown pluginType "' + pluginType + '"'); + } + } + + /** + * **DEPRECATED**. Use {@link createInvalidLegacyPluginError} instead Dynamically creates a plugin-type-specific error based on plugin type + * @deprecated + * @param {string} message - Error message + * @param {"reporter"|"interface"} pluginType - Plugin type. Future: expand as needed + * @param {string} [pluginId] - Name/path of plugin, if any + * @throws When `pluginType` is not known + * @public + * @static + * @returns {Error} + */ + function createInvalidPluginError(...args) { + deprecate('Use createInvalidLegacyPluginError() instead'); + return createInvalidLegacyPluginError(...args); + } + + /** + * Creates an error object to be thrown when a mocha object's `run` method is executed while it is already disposed. + * @param {string} message The error message to be displayed. + * @param {boolean} cleanReferencesAfterRun the value of `cleanReferencesAfterRun` + * @param {Mocha} instance the mocha instance that throw this error + * @static + */ + function createMochaInstanceAlreadyDisposedError( + message, + cleanReferencesAfterRun, + instance + ) { + var err = new Error(message); + err.code = constants$4.INSTANCE_ALREADY_DISPOSED; + err.cleanReferencesAfterRun = cleanReferencesAfterRun; + err.instance = instance; + return err; + } + + /** + * Creates an error object to be thrown when a mocha object's `run` method is called while a test run is in progress. + * @param {string} message The error message to be displayed. + * @static + * @public + */ + function createMochaInstanceAlreadyRunningError(message, instance) { + var err = new Error(message); + err.code = constants$4.INSTANCE_ALREADY_RUNNING; + err.instance = instance; + return err; + } + + /** + * Creates an error object to be thrown when done() is called multiple times in a test + * + * @public + * @param {Runnable} runnable - Original runnable + * @param {Error} [originalErr] - Original error, if any + * @returns {Error} instance detailing the error condition + * @static + */ + function createMultipleDoneError$1(runnable, originalErr) { + var title; + try { + title = format('<%s>', runnable.fullTitle()); + if (runnable.parent.root) { + title += ' (of root suite)'; + } + } catch (ignored) { + title = format('<%s> (of unknown suite)', runnable.title); + } + var message = format( + 'done() called multiple times in %s %s', + runnable.type ? runnable.type : 'unknown runnable', + title + ); + if (runnable.file) { + message += format(' of file %s', runnable.file); + } + if (originalErr) { + message += format('; in addition, done() received error: %s', originalErr); + } + + var err = new Error(message); + err.code = constants$4.MULTIPLE_DONE; + err.valueType = typeof originalErr; + err.value = originalErr; + return err; + } + + /** + * Creates an error object to be thrown when `.only()` is used with + * `--forbid-only`. + * @static + * @public + * @param {Mocha} mocha - Mocha instance + * @returns {Error} Error with code {@link constants.FORBIDDEN_EXCLUSIVITY} + */ + function createForbiddenExclusivityError$1(mocha) { + var err = new Error( + mocha.isWorker + ? '`.only` is not supported in parallel mode' + : '`.only` forbidden by --forbid-only' + ); + err.code = constants$4.FORBIDDEN_EXCLUSIVITY; + return err; + } + + /** + * Creates an error object to be thrown when a plugin definition is invalid + * @static + * @param {string} msg - Error message + * @param {PluginDefinition} [pluginDef] - Problematic plugin definition + * @public + * @returns {Error} Error with code {@link constants.INVALID_PLUGIN_DEFINITION} + */ + function createInvalidPluginDefinitionError(msg, pluginDef) { + const err = new Error(msg); + err.code = constants$4.INVALID_PLUGIN_DEFINITION; + err.pluginDef = pluginDef; + return err; + } + + /** + * Creates an error object to be thrown when a plugin implementation (user code) is invalid + * @static + * @param {string} msg - Error message + * @param {Object} [opts] - Plugin definition and user-supplied implementation + * @param {PluginDefinition} [opts.pluginDef] - Plugin Definition + * @param {*} [opts.pluginImpl] - Plugin Implementation (user-supplied) + * @public + * @returns {Error} Error with code {@link constants.INVALID_PLUGIN_DEFINITION} + */ + function createInvalidPluginImplementationError( + msg, + {pluginDef, pluginImpl} = {} + ) { + const err = new Error(msg); + err.code = constants$4.INVALID_PLUGIN_IMPLEMENTATION; + err.pluginDef = pluginDef; + err.pluginImpl = pluginImpl; + return err; + } + + /** + * Creates an error object to be thrown when a runnable exceeds its allowed run time. + * @static + * @param {string} msg - Error message + * @param {number} [timeout] - Timeout in ms + * @param {string} [file] - File, if given + * @returns {MochaTimeoutError} + */ + function createTimeoutError$1(msg, timeout, file) { + const err = new Error(msg); + err.code = constants$4.TIMEOUT; + err.timeout = timeout; + err.file = file; + return err; + } + + /** + * Creates an error object to be thrown when file is unparsable + * @public + * @static + * @param {string} message - Error message to be displayed. + * @param {string} filename - File name + * @returns {Error} Error with code {@link constants.UNPARSABLE_FILE} + */ + function createUnparsableFileError(message, filename) { + var err = new Error(message); + err.code = constants$4.UNPARSABLE_FILE; + return err; + } + + /** + * Returns `true` if an error came out of Mocha. + * _Can suffer from false negatives, but not false positives._ + * @static + * @public + * @param {*} err - Error, or anything + * @returns {boolean} + */ + const isMochaError$1 = err => + Boolean(err && typeof err === 'object' && MOCHA_ERRORS.has(err.code)); + + var errors$2 = { + constants: constants$4, + createFatalError: createFatalError$1, + createForbiddenExclusivityError: createForbiddenExclusivityError$1, + createInvalidArgumentTypeError: createInvalidArgumentTypeError$1, + createInvalidArgumentValueError, + createInvalidExceptionError: createInvalidExceptionError$2, + createInvalidInterfaceError, + createInvalidLegacyPluginError, + createInvalidPluginDefinitionError, + createInvalidPluginError, + createInvalidPluginImplementationError, + createInvalidReporterError, + createMissingArgumentError: createMissingArgumentError$1, + createMochaInstanceAlreadyDisposedError, + createMochaInstanceAlreadyRunningError, + createMultipleDoneError: createMultipleDoneError$1, + createNoFilesMatchPatternError, + createTimeoutError: createTimeoutError$1, + createUnparsableFileError, + createUnsupportedError: createUnsupportedError$2, + deprecate, + isMochaError: isMochaError$1, + warn + }; + + var EventEmitter$1 = require$$0.EventEmitter; + var Pending$1 = pending; + var debug$1 = browser.exports('mocha:runnable'); + var milliseconds = ms$1; + var utils$2 = utils$3; + const { + createInvalidExceptionError: createInvalidExceptionError$1, + createMultipleDoneError, + createTimeoutError + } = errors$2; + + /** + * Save timer references to avoid Sinon interfering (see GH-237). + * @private + */ + var Date$3 = commonjsGlobal.Date; + var setTimeout$2 = commonjsGlobal.setTimeout; + var clearTimeout$1 = commonjsGlobal.clearTimeout; + var toString = Object.prototype.toString; + + var MAX_TIMEOUT = Math.pow(2, 31) - 1; + + var runnable = Runnable$3; + + /** + * Initialize a new `Runnable` with the given `title` and callback `fn`. + * + * @class + * @extends external:EventEmitter + * @public + * @param {String} title + * @param {Function} fn + */ + function Runnable$3(title, fn) { + this.title = title; + this.fn = fn; + this.body = (fn || '').toString(); + this.async = fn && fn.length; + this.sync = !this.async; + this._timeout = 2000; + this._slow = 75; + this._retries = -1; + utils$2.assignNewMochaID(this); + Object.defineProperty(this, 'id', { + get() { + return utils$2.getMochaID(this); + } + }); + this.reset(); + } + + /** + * Inherit from `EventEmitter.prototype`. + */ + utils$2.inherits(Runnable$3, EventEmitter$1); + + /** + * Resets the state initially or for a next run. + */ + Runnable$3.prototype.reset = function () { + this.timedOut = false; + this._currentRetry = 0; + this.pending = false; + delete this.state; + delete this.err; + }; + + /** + * Get current timeout value in msecs. + * + * @private + * @returns {number} current timeout threshold value + */ + /** + * @summary + * Set timeout threshold value (msecs). + * + * @description + * A string argument can use shorthand (e.g., "2s") and will be converted. + * The value will be clamped to range [0, 2^31-1]. + * If clamped value matches either range endpoint, timeouts will be disabled. + * + * @private + * @see {@link https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/setTimeout#Maximum_delay_value} + * @param {number|string} ms - Timeout threshold value. + * @returns {Runnable} this + * @chainable + */ + Runnable$3.prototype.timeout = function (ms) { + if (!arguments.length) { + return this._timeout; + } + if (typeof ms === 'string') { + ms = milliseconds(ms); + } + + // Clamp to range + var range = [0, MAX_TIMEOUT]; + ms = utils$2.clamp(ms, range); + + // see #1652 for reasoning + if (ms === range[0] || ms === range[1]) { + this._timeout = 0; + } else { + this._timeout = ms; + } + debug$1('timeout %d', this._timeout); + + if (this.timer) { + this.resetTimeout(); + } + return this; + }; + + /** + * Set or get slow `ms`. + * + * @private + * @param {number|string} ms + * @return {Runnable|number} ms or Runnable instance. + */ + Runnable$3.prototype.slow = function (ms) { + if (!arguments.length || typeof ms === 'undefined') { + return this._slow; + } + if (typeof ms === 'string') { + ms = milliseconds(ms); + } + debug$1('slow %d', ms); + this._slow = ms; + return this; + }; + + /** + * Halt and mark as pending. + * + * @memberof Mocha.Runnable + * @public + */ + Runnable$3.prototype.skip = function () { + this.pending = true; + throw new Pending$1('sync skip; aborting execution'); + }; + + /** + * Check if this runnable or its parent suite is marked as pending. + * + * @private + */ + Runnable$3.prototype.isPending = function () { + return this.pending || (this.parent && this.parent.isPending()); + }; + + /** + * Return `true` if this Runnable has failed. + * @return {boolean} + * @private + */ + Runnable$3.prototype.isFailed = function () { + return !this.isPending() && this.state === constants$3.STATE_FAILED; + }; + + /** + * Return `true` if this Runnable has passed. + * @return {boolean} + * @private + */ + Runnable$3.prototype.isPassed = function () { + return !this.isPending() && this.state === constants$3.STATE_PASSED; + }; + + /** + * Set or get number of retries. + * + * @private + */ + Runnable$3.prototype.retries = function (n) { + if (!arguments.length) { + return this._retries; + } + this._retries = n; + }; + + /** + * Set or get current retry + * + * @private + */ + Runnable$3.prototype.currentRetry = function (n) { + if (!arguments.length) { + return this._currentRetry; + } + this._currentRetry = n; + }; + + /** + * Return the full title generated by recursively concatenating the parent's + * full title. + * + * @memberof Mocha.Runnable + * @public + * @return {string} + */ + Runnable$3.prototype.fullTitle = function () { + return this.titlePath().join(' '); + }; + + /** + * Return the title path generated by concatenating the parent's title path with the title. + * + * @memberof Mocha.Runnable + * @public + * @return {string[]} + */ + Runnable$3.prototype.titlePath = function () { + return this.parent.titlePath().concat([this.title]); + }; + + /** + * Clear the timeout. + * + * @private + */ + Runnable$3.prototype.clearTimeout = function () { + clearTimeout$1(this.timer); + }; + + /** + * Reset the timeout. + * + * @private + */ + Runnable$3.prototype.resetTimeout = function () { + var self = this; + var ms = this.timeout() || MAX_TIMEOUT; + + this.clearTimeout(); + this.timer = setTimeout$2(function () { + if (self.timeout() === 0) { + return; + } + self.callback(self._timeoutError(ms)); + self.timedOut = true; + }, ms); + }; + + /** + * Set or get a list of whitelisted globals for this test run. + * + * @private + * @param {string[]} globals + */ + Runnable$3.prototype.globals = function (globals) { + if (!arguments.length) { + return this._allowedGlobals; + } + this._allowedGlobals = globals; + }; + + /** + * Run the test and invoke `fn(err)`. + * + * @param {Function} fn + * @private + */ + Runnable$3.prototype.run = function (fn) { + var self = this; + var start = new Date$3(); + var ctx = this.ctx; + var finished; + var errorWasHandled = false; + + if (this.isPending()) return fn(); + + // Sometimes the ctx exists, but it is not runnable + if (ctx && ctx.runnable) { + ctx.runnable(this); + } + + // called multiple times + function multiple(err) { + if (errorWasHandled) { + return; + } + errorWasHandled = true; + self.emit('error', createMultipleDoneError(self, err)); + } + + // finished + function done(err) { + var ms = self.timeout(); + if (self.timedOut) { + return; + } + + if (finished) { + return multiple(err); + } + + self.clearTimeout(); + self.duration = new Date$3() - start; + finished = true; + if (!err && self.duration > ms && ms > 0) { + err = self._timeoutError(ms); + } + fn(err); + } + + // for .resetTimeout() and Runner#uncaught() + this.callback = done; + + if (this.fn && typeof this.fn.call !== 'function') { + done( + new TypeError( + 'A runnable must be passed a function as its second argument.' + ) + ); + return; + } + + // explicit async with `done` argument + if (this.async) { + this.resetTimeout(); + + // allows skip() to be used in an explicit async context + this.skip = function asyncSkip() { + this.pending = true; + done(); + // halt execution, the uncaught handler will ignore the failure. + throw new Pending$1('async skip; aborting execution'); + }; + + try { + callFnAsync(this.fn); + } catch (err) { + // handles async runnables which actually run synchronously + errorWasHandled = true; + if (err instanceof Pending$1) { + return; // done() is already called in this.skip() + } else if (this.allowUncaught) { + throw err; + } + done(Runnable$3.toValueOrError(err)); + } + return; + } + + // sync or promise-returning + try { + callFn(this.fn); + } catch (err) { + errorWasHandled = true; + if (err instanceof Pending$1) { + return done(); + } else if (this.allowUncaught) { + throw err; + } + done(Runnable$3.toValueOrError(err)); + } + + function callFn(fn) { + var result = fn.call(ctx); + if (result && typeof result.then === 'function') { + self.resetTimeout(); + result.then( + function () { + done(); + // Return null so libraries like bluebird do not warn about + // subsequently constructed Promises. + return null; + }, + function (reason) { + done(reason || new Error('Promise rejected with no or falsy reason')); + } + ); + } else { + if (self.asyncOnly) { + return done( + new Error( + '--async-only option in use without declaring `done()` or returning a promise' + ) + ); + } + + done(); + } + } + + function callFnAsync(fn) { + var result = fn.call(ctx, function (err) { + if (err instanceof Error || toString.call(err) === '[object Error]') { + return done(err); + } + if (err) { + if (Object.prototype.toString.call(err) === '[object Object]') { + return done( + new Error('done() invoked with non-Error: ' + JSON.stringify(err)) + ); + } + return done(new Error('done() invoked with non-Error: ' + err)); + } + if (result && utils$2.isPromise(result)) { + return done( + new Error( + 'Resolution method is overspecified. Specify a callback *or* return a Promise; not both.' + ) + ); + } + + done(); + }); + } + }; + + /** + * Instantiates a "timeout" error + * + * @param {number} ms - Timeout (in milliseconds) + * @returns {Error} a "timeout" error + * @private + */ + Runnable$3.prototype._timeoutError = function (ms) { + let msg = `Timeout of ${ms}ms exceeded. For async tests and hooks, ensure "done()" is called; if returning a Promise, ensure it resolves.`; + if (this.file) { + msg += ' (' + this.file + ')'; + } + return createTimeoutError(msg, ms, this.file); + }; + + var constants$3 = utils$2.defineConstants( + /** + * {@link Runnable}-related constants. + * @public + * @memberof Runnable + * @readonly + * @static + * @alias constants + * @enum {string} + */ + { + /** + * Value of `state` prop when a `Runnable` has failed + */ + STATE_FAILED: 'failed', + /** + * Value of `state` prop when a `Runnable` has passed + */ + STATE_PASSED: 'passed', + /** + * Value of `state` prop when a `Runnable` has been skipped by user + */ + STATE_PENDING: 'pending' + } + ); + + /** + * Given `value`, return identity if truthy, otherwise create an "invalid exception" error and return that. + * @param {*} [value] - Value to return, if present + * @returns {*|Error} `value`, otherwise an `Error` + * @private + */ + Runnable$3.toValueOrError = function (value) { + return ( + value || + createInvalidExceptionError$1( + 'Runnable failed with falsy or undefined exception. Please throw an Error instead.', + value + ) + ); + }; + + Runnable$3.constants = constants$3; + + var suite = {exports: {}}; + + var Runnable$2 = runnable; + const {inherits, constants: constants$2} = utils$3; + const {MOCHA_ID_PROP_NAME: MOCHA_ID_PROP_NAME$1} = constants$2; + + /** + * Expose `Hook`. + */ + + var hook = Hook; + + /** + * Initialize a new `Hook` with the given `title` and callback `fn` + * + * @class + * @extends Runnable + * @param {String} title + * @param {Function} fn + */ + function Hook(title, fn) { + Runnable$2.call(this, title, fn); + this.type = 'hook'; + } + + /** + * Inherit from `Runnable.prototype`. + */ + inherits(Hook, Runnable$2); + + /** + * Resets the state for a next run. + */ + Hook.prototype.reset = function () { + Runnable$2.prototype.reset.call(this); + delete this._error; + }; + + /** + * Get or set the test `err`. + * + * @memberof Hook + * @public + * @param {Error} err + * @return {Error} + */ + Hook.prototype.error = function (err) { + if (!arguments.length) { + err = this._error; + this._error = null; + return err; + } + + this._error = err; + }; + + /** + * Returns an object suitable for IPC. + * Functions are represented by keys beginning with `$$`. + * @private + * @returns {Object} + */ + Hook.prototype.serialize = function serialize() { + return { + $$currentRetry: this.currentRetry(), + $$fullTitle: this.fullTitle(), + $$isPending: Boolean(this.isPending()), + $$titlePath: this.titlePath(), + ctx: + this.ctx && this.ctx.currentTest + ? { + currentTest: { + title: this.ctx.currentTest.title, + [MOCHA_ID_PROP_NAME$1]: this.ctx.currentTest.id + } + } + : {}, + duration: this.duration, + file: this.file, + parent: { + $$fullTitle: this.parent.fullTitle(), + [MOCHA_ID_PROP_NAME$1]: this.parent.id + }, + state: this.state, + title: this.title, + type: this.type, + [MOCHA_ID_PROP_NAME$1]: this.id + }; + }; + + (function (module, exports) { + + /** + * Module dependencies. + * @private + */ + const {EventEmitter} = require$$0; + const Hook = hook; + var { + assignNewMochaID, + clamp, + constants: utilsConstants, + defineConstants, + getMochaID, + inherits, + isString + } = utils$3; + const debug = browser.exports('mocha:suite'); + const milliseconds = ms$1; + const errors = errors$2; + + const {MOCHA_ID_PROP_NAME} = utilsConstants; + + /** + * Expose `Suite`. + */ + + module.exports = Suite; + + /** + * Create a new `Suite` with the given `title` and parent `Suite`. + * + * @public + * @param {Suite} parent - Parent suite (required!) + * @param {string} title - Title + * @return {Suite} + */ + Suite.create = function (parent, title) { + var suite = new Suite(title, parent.ctx); + suite.parent = parent; + title = suite.fullTitle(); + parent.addSuite(suite); + return suite; + }; + + /** + * Constructs a new `Suite` instance with the given `title`, `ctx`, and `isRoot`. + * + * @public + * @class + * @extends EventEmitter + * @see {@link https://nodejs.org/api/events.html#events_class_eventemitter|EventEmitter} + * @param {string} title - Suite title. + * @param {Context} parentContext - Parent context instance. + * @param {boolean} [isRoot=false] - Whether this is the root suite. + */ + function Suite(title, parentContext, isRoot) { + if (!isString(title)) { + throw errors.createInvalidArgumentTypeError( + 'Suite argument "title" must be a string. Received type "' + + typeof title + + '"', + 'title', + 'string' + ); + } + this.title = title; + function Context() {} + Context.prototype = parentContext; + this.ctx = new Context(); + this.suites = []; + this.tests = []; + this.root = isRoot === true; + this.pending = false; + this._retries = -1; + this._beforeEach = []; + this._beforeAll = []; + this._afterEach = []; + this._afterAll = []; + this._timeout = 2000; + this._slow = 75; + this._bail = false; + this._onlyTests = []; + this._onlySuites = []; + assignNewMochaID(this); + + Object.defineProperty(this, 'id', { + get() { + return getMochaID(this); + } + }); + + this.reset(); + } + + /** + * Inherit from `EventEmitter.prototype`. + */ + inherits(Suite, EventEmitter); + + /** + * Resets the state initially or for a next run. + */ + Suite.prototype.reset = function () { + this.delayed = false; + function doReset(thingToReset) { + thingToReset.reset(); + } + this.suites.forEach(doReset); + this.tests.forEach(doReset); + this._beforeEach.forEach(doReset); + this._afterEach.forEach(doReset); + this._beforeAll.forEach(doReset); + this._afterAll.forEach(doReset); + }; + + /** + * Return a clone of this `Suite`. + * + * @private + * @return {Suite} + */ + Suite.prototype.clone = function () { + var suite = new Suite(this.title); + debug('clone'); + suite.ctx = this.ctx; + suite.root = this.root; + suite.timeout(this.timeout()); + suite.retries(this.retries()); + suite.slow(this.slow()); + suite.bail(this.bail()); + return suite; + }; + + /** + * Set or get timeout `ms` or short-hand such as "2s". + * + * @private + * @todo Do not attempt to set value if `ms` is undefined + * @param {number|string} ms + * @return {Suite|number} for chaining + */ + Suite.prototype.timeout = function (ms) { + if (!arguments.length) { + return this._timeout; + } + if (typeof ms === 'string') { + ms = milliseconds(ms); + } + + // Clamp to range + var INT_MAX = Math.pow(2, 31) - 1; + var range = [0, INT_MAX]; + ms = clamp(ms, range); + + debug('timeout %d', ms); + this._timeout = parseInt(ms, 10); + return this; + }; + + /** + * Set or get number of times to retry a failed test. + * + * @private + * @param {number|string} n + * @return {Suite|number} for chaining + */ + Suite.prototype.retries = function (n) { + if (!arguments.length) { + return this._retries; + } + debug('retries %d', n); + this._retries = parseInt(n, 10) || 0; + return this; + }; + + /** + * Set or get slow `ms` or short-hand such as "2s". + * + * @private + * @param {number|string} ms + * @return {Suite|number} for chaining + */ + Suite.prototype.slow = function (ms) { + if (!arguments.length) { + return this._slow; + } + if (typeof ms === 'string') { + ms = milliseconds(ms); + } + debug('slow %d', ms); + this._slow = ms; + return this; + }; + + /** + * Set or get whether to bail after first error. + * + * @private + * @param {boolean} bail + * @return {Suite|number} for chaining + */ + Suite.prototype.bail = function (bail) { + if (!arguments.length) { + return this._bail; + } + debug('bail %s', bail); + this._bail = bail; + return this; + }; + + /** + * Check if this suite or its parent suite is marked as pending. + * + * @private + */ + Suite.prototype.isPending = function () { + return this.pending || (this.parent && this.parent.isPending()); + }; + + /** + * Generic hook-creator. + * @private + * @param {string} title - Title of hook + * @param {Function} fn - Hook callback + * @returns {Hook} A new hook + */ + Suite.prototype._createHook = function (title, fn) { + var hook = new Hook(title, fn); + hook.parent = this; + hook.timeout(this.timeout()); + hook.retries(this.retries()); + hook.slow(this.slow()); + hook.ctx = this.ctx; + hook.file = this.file; + return hook; + }; + + /** + * Run `fn(test[, done])` before running tests. + * + * @private + * @param {string} title + * @param {Function} fn + * @return {Suite} for chaining + */ + Suite.prototype.beforeAll = function (title, fn) { + if (this.isPending()) { + return this; + } + if (typeof title === 'function') { + fn = title; + title = fn.name; + } + title = '"before all" hook' + (title ? ': ' + title : ''); + + var hook = this._createHook(title, fn); + this._beforeAll.push(hook); + this.emit(constants.EVENT_SUITE_ADD_HOOK_BEFORE_ALL, hook); + return this; + }; + + /** + * Run `fn(test[, done])` after running tests. + * + * @private + * @param {string} title + * @param {Function} fn + * @return {Suite} for chaining + */ + Suite.prototype.afterAll = function (title, fn) { + if (this.isPending()) { + return this; + } + if (typeof title === 'function') { + fn = title; + title = fn.name; + } + title = '"after all" hook' + (title ? ': ' + title : ''); + + var hook = this._createHook(title, fn); + this._afterAll.push(hook); + this.emit(constants.EVENT_SUITE_ADD_HOOK_AFTER_ALL, hook); + return this; + }; + + /** + * Run `fn(test[, done])` before each test case. + * + * @private + * @param {string} title + * @param {Function} fn + * @return {Suite} for chaining + */ + Suite.prototype.beforeEach = function (title, fn) { + if (this.isPending()) { + return this; + } + if (typeof title === 'function') { + fn = title; + title = fn.name; + } + title = '"before each" hook' + (title ? ': ' + title : ''); + + var hook = this._createHook(title, fn); + this._beforeEach.push(hook); + this.emit(constants.EVENT_SUITE_ADD_HOOK_BEFORE_EACH, hook); + return this; + }; + + /** + * Run `fn(test[, done])` after each test case. + * + * @private + * @param {string} title + * @param {Function} fn + * @return {Suite} for chaining + */ + Suite.prototype.afterEach = function (title, fn) { + if (this.isPending()) { + return this; + } + if (typeof title === 'function') { + fn = title; + title = fn.name; + } + title = '"after each" hook' + (title ? ': ' + title : ''); + + var hook = this._createHook(title, fn); + this._afterEach.push(hook); + this.emit(constants.EVENT_SUITE_ADD_HOOK_AFTER_EACH, hook); + return this; + }; + + /** + * Add a test `suite`. + * + * @private + * @param {Suite} suite + * @return {Suite} for chaining + */ + Suite.prototype.addSuite = function (suite) { + suite.parent = this; + suite.root = false; + suite.timeout(this.timeout()); + suite.retries(this.retries()); + suite.slow(this.slow()); + suite.bail(this.bail()); + this.suites.push(suite); + this.emit(constants.EVENT_SUITE_ADD_SUITE, suite); + return this; + }; + + /** + * Add a `test` to this suite. + * + * @private + * @param {Test} test + * @return {Suite} for chaining + */ + Suite.prototype.addTest = function (test) { + test.parent = this; + test.timeout(this.timeout()); + test.retries(this.retries()); + test.slow(this.slow()); + test.ctx = this.ctx; + this.tests.push(test); + this.emit(constants.EVENT_SUITE_ADD_TEST, test); + return this; + }; + + /** + * Return the full title generated by recursively concatenating the parent's + * full title. + * + * @memberof Suite + * @public + * @return {string} + */ + Suite.prototype.fullTitle = function () { + return this.titlePath().join(' '); + }; + + /** + * Return the title path generated by recursively concatenating the parent's + * title path. + * + * @memberof Suite + * @public + * @return {string[]} + */ + Suite.prototype.titlePath = function () { + var result = []; + if (this.parent) { + result = result.concat(this.parent.titlePath()); + } + if (!this.root) { + result.push(this.title); + } + return result; + }; + + /** + * Return the total number of tests. + * + * @memberof Suite + * @public + * @return {number} + */ + Suite.prototype.total = function () { + return ( + this.suites.reduce(function (sum, suite) { + return sum + suite.total(); + }, 0) + this.tests.length + ); + }; + + /** + * Iterates through each suite recursively to find all tests. Applies a + * function in the format `fn(test)`. + * + * @private + * @param {Function} fn + * @return {Suite} + */ + Suite.prototype.eachTest = function (fn) { + this.tests.forEach(fn); + this.suites.forEach(function (suite) { + suite.eachTest(fn); + }); + return this; + }; + + /** + * This will run the root suite if we happen to be running in delayed mode. + * @private + */ + Suite.prototype.run = function run() { + if (this.root) { + this.emit(constants.EVENT_ROOT_SUITE_RUN); + } + }; + + /** + * Determines whether a suite has an `only` test or suite as a descendant. + * + * @private + * @returns {Boolean} + */ + Suite.prototype.hasOnly = function hasOnly() { + return ( + this._onlyTests.length > 0 || + this._onlySuites.length > 0 || + this.suites.some(function (suite) { + return suite.hasOnly(); + }) + ); + }; + + /** + * Filter suites based on `isOnly` logic. + * + * @private + * @returns {Boolean} + */ + Suite.prototype.filterOnly = function filterOnly() { + if (this._onlyTests.length) { + // If the suite contains `only` tests, run those and ignore any nested suites. + this.tests = this._onlyTests; + this.suites = []; + } else { + // Otherwise, do not run any of the tests in this suite. + this.tests = []; + this._onlySuites.forEach(function (onlySuite) { + // If there are other `only` tests/suites nested in the current `only` suite, then filter that `only` suite. + // Otherwise, all of the tests on this `only` suite should be run, so don't filter it. + if (onlySuite.hasOnly()) { + onlySuite.filterOnly(); + } + }); + // Run the `only` suites, as well as any other suites that have `only` tests/suites as descendants. + var onlySuites = this._onlySuites; + this.suites = this.suites.filter(function (childSuite) { + return onlySuites.indexOf(childSuite) !== -1 || childSuite.filterOnly(); + }); + } + // Keep the suite only if there is something to run + return this.tests.length > 0 || this.suites.length > 0; + }; + + /** + * Adds a suite to the list of subsuites marked `only`. + * + * @private + * @param {Suite} suite + */ + Suite.prototype.appendOnlySuite = function (suite) { + this._onlySuites.push(suite); + }; + + /** + * Marks a suite to be `only`. + * + * @private + */ + Suite.prototype.markOnly = function () { + this.parent && this.parent.appendOnlySuite(this); + }; + + /** + * Adds a test to the list of tests marked `only`. + * + * @private + * @param {Test} test + */ + Suite.prototype.appendOnlyTest = function (test) { + this._onlyTests.push(test); + }; + + /** + * Returns the array of hooks by hook name; see `HOOK_TYPE_*` constants. + * @private + */ + Suite.prototype.getHooks = function getHooks(name) { + return this['_' + name]; + }; + + /** + * cleans all references from this suite and all child suites. + */ + Suite.prototype.dispose = function () { + this.suites.forEach(function (suite) { + suite.dispose(); + }); + this.cleanReferences(); + }; + + /** + * Cleans up the references to all the deferred functions + * (before/after/beforeEach/afterEach) and tests of a Suite. + * These must be deleted otherwise a memory leak can happen, + * as those functions may reference variables from closures, + * thus those variables can never be garbage collected as long + * as the deferred functions exist. + * + * @private + */ + Suite.prototype.cleanReferences = function cleanReferences() { + function cleanArrReferences(arr) { + for (var i = 0; i < arr.length; i++) { + delete arr[i].fn; + } + } + + if (Array.isArray(this._beforeAll)) { + cleanArrReferences(this._beforeAll); + } + + if (Array.isArray(this._beforeEach)) { + cleanArrReferences(this._beforeEach); + } + + if (Array.isArray(this._afterAll)) { + cleanArrReferences(this._afterAll); + } + + if (Array.isArray(this._afterEach)) { + cleanArrReferences(this._afterEach); + } + + for (var i = 0; i < this.tests.length; i++) { + delete this.tests[i].fn; + } + }; + + /** + * Returns an object suitable for IPC. + * Functions are represented by keys beginning with `$$`. + * @private + * @returns {Object} + */ + Suite.prototype.serialize = function serialize() { + return { + _bail: this._bail, + $$fullTitle: this.fullTitle(), + $$isPending: Boolean(this.isPending()), + root: this.root, + title: this.title, + [MOCHA_ID_PROP_NAME]: this.id, + parent: this.parent ? {[MOCHA_ID_PROP_NAME]: this.parent.id} : null + }; + }; + + var constants = defineConstants( + /** + * {@link Suite}-related constants. + * @public + * @memberof Suite + * @alias constants + * @readonly + * @static + * @enum {string} + */ + { + /** + * Event emitted after a test file has been loaded. Not emitted in browser. + */ + EVENT_FILE_POST_REQUIRE: 'post-require', + /** + * Event emitted before a test file has been loaded. In browser, this is emitted once an interface has been selected. + */ + EVENT_FILE_PRE_REQUIRE: 'pre-require', + /** + * Event emitted immediately after a test file has been loaded. Not emitted in browser. + */ + EVENT_FILE_REQUIRE: 'require', + /** + * Event emitted when `global.run()` is called (use with `delay` option). + */ + EVENT_ROOT_SUITE_RUN: 'run', + + /** + * Namespace for collection of a `Suite`'s "after all" hooks. + */ + HOOK_TYPE_AFTER_ALL: 'afterAll', + /** + * Namespace for collection of a `Suite`'s "after each" hooks. + */ + HOOK_TYPE_AFTER_EACH: 'afterEach', + /** + * Namespace for collection of a `Suite`'s "before all" hooks. + */ + HOOK_TYPE_BEFORE_ALL: 'beforeAll', + /** + * Namespace for collection of a `Suite`'s "before each" hooks. + */ + HOOK_TYPE_BEFORE_EACH: 'beforeEach', + + /** + * Emitted after a child `Suite` has been added to a `Suite`. + */ + EVENT_SUITE_ADD_SUITE: 'suite', + /** + * Emitted after an "after all" `Hook` has been added to a `Suite`. + */ + EVENT_SUITE_ADD_HOOK_AFTER_ALL: 'afterAll', + /** + * Emitted after an "after each" `Hook` has been added to a `Suite`. + */ + EVENT_SUITE_ADD_HOOK_AFTER_EACH: 'afterEach', + /** + * Emitted after an "before all" `Hook` has been added to a `Suite`. + */ + EVENT_SUITE_ADD_HOOK_BEFORE_ALL: 'beforeAll', + /** + * Emitted after an "before each" `Hook` has been added to a `Suite`. + */ + EVENT_SUITE_ADD_HOOK_BEFORE_EACH: 'beforeEach', + /** + * Emitted after a `Test` has been added to a `Suite`. + */ + EVENT_SUITE_ADD_TEST: 'test' + } + ); + + Suite.constants = constants; + }(suite)); + + /** + * Module dependencies. + * @private + */ + var EventEmitter = require$$0.EventEmitter; + var Pending = pending; + var utils$1 = utils$3; + var debug = browser.exports('mocha:runner'); + var Runnable$1 = runnable; + var Suite$2 = suite.exports; + var HOOK_TYPE_BEFORE_EACH = Suite$2.constants.HOOK_TYPE_BEFORE_EACH; + var HOOK_TYPE_AFTER_EACH = Suite$2.constants.HOOK_TYPE_AFTER_EACH; + var HOOK_TYPE_AFTER_ALL = Suite$2.constants.HOOK_TYPE_AFTER_ALL; + var HOOK_TYPE_BEFORE_ALL = Suite$2.constants.HOOK_TYPE_BEFORE_ALL; + var EVENT_ROOT_SUITE_RUN = Suite$2.constants.EVENT_ROOT_SUITE_RUN; + var STATE_FAILED = Runnable$1.constants.STATE_FAILED; + var STATE_PASSED = Runnable$1.constants.STATE_PASSED; + var STATE_PENDING = Runnable$1.constants.STATE_PENDING; + var stackFilter = utils$1.stackTraceFilter(); + var stringify = utils$1.stringify; + + const { + createInvalidExceptionError, + createUnsupportedError: createUnsupportedError$1, + createFatalError, + isMochaError, + constants: errorConstants + } = errors$2; + + /** + * Non-enumerable globals. + * @private + * @readonly + */ + var globals = [ + 'setTimeout', + 'clearTimeout', + 'setInterval', + 'clearInterval', + 'XMLHttpRequest', + 'Date', + 'setImmediate', + 'clearImmediate' + ]; + + var constants$1 = utils$1.defineConstants( + /** + * {@link Runner}-related constants. + * @public + * @memberof Runner + * @readonly + * @alias constants + * @static + * @enum {string} + */ + { + /** + * Emitted when {@link Hook} execution begins + */ + EVENT_HOOK_BEGIN: 'hook', + /** + * Emitted when {@link Hook} execution ends + */ + EVENT_HOOK_END: 'hook end', + /** + * Emitted when Root {@link Suite} execution begins (all files have been parsed and hooks/tests are ready for execution) + */ + EVENT_RUN_BEGIN: 'start', + /** + * Emitted when Root {@link Suite} execution has been delayed via `delay` option + */ + EVENT_DELAY_BEGIN: 'waiting', + /** + * Emitted when delayed Root {@link Suite} execution is triggered by user via `global.run()` + */ + EVENT_DELAY_END: 'ready', + /** + * Emitted when Root {@link Suite} execution ends + */ + EVENT_RUN_END: 'end', + /** + * Emitted when {@link Suite} execution begins + */ + EVENT_SUITE_BEGIN: 'suite', + /** + * Emitted when {@link Suite} execution ends + */ + EVENT_SUITE_END: 'suite end', + /** + * Emitted when {@link Test} execution begins + */ + EVENT_TEST_BEGIN: 'test', + /** + * Emitted when {@link Test} execution ends + */ + EVENT_TEST_END: 'test end', + /** + * Emitted when {@link Test} execution fails + */ + EVENT_TEST_FAIL: 'fail', + /** + * Emitted when {@link Test} execution succeeds + */ + EVENT_TEST_PASS: 'pass', + /** + * Emitted when {@link Test} becomes pending + */ + EVENT_TEST_PENDING: 'pending', + /** + * Emitted when {@link Test} execution has failed, but will retry + */ + EVENT_TEST_RETRY: 'retry', + /** + * Initial state of Runner + */ + STATE_IDLE: 'idle', + /** + * State set to this value when the Runner has started running + */ + STATE_RUNNING: 'running', + /** + * State set to this value when the Runner has stopped + */ + STATE_STOPPED: 'stopped' + } + ); + + class Runner extends EventEmitter { + /** + * Initialize a `Runner` at the Root {@link Suite}, which represents a hierarchy of {@link Suite|Suites} and {@link Test|Tests}. + * + * @extends external:EventEmitter + * @public + * @class + * @param {Suite} suite - Root suite + * @param {Object} [opts] - Settings object + * @param {boolean} [opts.cleanReferencesAfterRun] - Whether to clean references to test fns and hooks when a suite is done. + * @param {boolean} [opts.delay] - Whether to delay execution of root suite until ready. + * @param {boolean} [opts.dryRun] - Whether to report tests without running them. + * @param {boolean} [opts.failZero] - Whether to fail test run if zero tests encountered. + */ + constructor(suite, opts = {}) { + super(); + + var self = this; + this._globals = []; + this._abort = false; + this.suite = suite; + this._opts = opts; + this.state = constants$1.STATE_IDLE; + this.total = suite.total(); + this.failures = 0; + /** + * @type {Map>>} + */ + this._eventListeners = new Map(); + this.on(constants$1.EVENT_TEST_END, function (test) { + if (test.type === 'test' && test.retriedTest() && test.parent) { + var idx = + test.parent.tests && test.parent.tests.indexOf(test.retriedTest()); + if (idx > -1) test.parent.tests[idx] = test; + } + self.checkGlobals(test); + }); + this.on(constants$1.EVENT_HOOK_END, function (hook) { + self.checkGlobals(hook); + }); + this._defaultGrep = /.*/; + this.grep(this._defaultGrep); + this.globals(this.globalProps()); + + this.uncaught = this._uncaught.bind(this); + this.unhandled = (reason, promise) => { + if (isMochaError(reason)) { + debug( + 'trapped unhandled rejection coming out of Mocha; forwarding to uncaught handler:', + reason + ); + this.uncaught(reason); + } else { + debug( + 'trapped unhandled rejection from (probably) user code; re-emitting on process' + ); + this._removeEventListener( + process, + 'unhandledRejection', + this.unhandled + ); + try { + process.emit('unhandledRejection', reason, promise); + } finally { + this._addEventListener(process, 'unhandledRejection', this.unhandled); + } + } + }; + } + } + + /** + * Wrapper for setImmediate, process.nextTick, or browser polyfill. + * + * @param {Function} fn + * @private + */ + Runner.immediately = commonjsGlobal.setImmediate || nextTick$1; + + /** + * Replacement for `target.on(eventName, listener)` that does bookkeeping to remove them when this runner instance is disposed. + * @param {EventEmitter} target - The `EventEmitter` + * @param {string} eventName - The event name + * @param {string} fn - Listener function + * @private + */ + Runner.prototype._addEventListener = function (target, eventName, listener) { + debug( + '_addEventListener(): adding for event %s; %d current listeners', + eventName, + target.listenerCount(eventName) + ); + /* istanbul ignore next */ + if ( + this._eventListeners.has(target) && + this._eventListeners.get(target).has(eventName) && + this._eventListeners.get(target).get(eventName).has(listener) + ) { + debug( + 'warning: tried to attach duplicate event listener for %s', + eventName + ); + return; + } + target.on(eventName, listener); + const targetListeners = this._eventListeners.has(target) + ? this._eventListeners.get(target) + : new Map(); + const targetEventListeners = targetListeners.has(eventName) + ? targetListeners.get(eventName) + : new Set(); + targetEventListeners.add(listener); + targetListeners.set(eventName, targetEventListeners); + this._eventListeners.set(target, targetListeners); + }; + + /** + * Replacement for `target.removeListener(eventName, listener)` that also updates the bookkeeping. + * @param {EventEmitter} target - The `EventEmitter` + * @param {string} eventName - The event name + * @param {function} listener - Listener function + * @private + */ + Runner.prototype._removeEventListener = function (target, eventName, listener) { + target.removeListener(eventName, listener); + + if (this._eventListeners.has(target)) { + const targetListeners = this._eventListeners.get(target); + if (targetListeners.has(eventName)) { + const targetEventListeners = targetListeners.get(eventName); + targetEventListeners.delete(listener); + if (!targetEventListeners.size) { + targetListeners.delete(eventName); + } + } + if (!targetListeners.size) { + this._eventListeners.delete(target); + } + } else { + debug('trying to remove listener for untracked object %s', target); + } + }; + + /** + * Removes all event handlers set during a run on this instance. + * Remark: this does _not_ clean/dispose the tests or suites themselves. + */ + Runner.prototype.dispose = function () { + this.removeAllListeners(); + this._eventListeners.forEach((targetListeners, target) => { + targetListeners.forEach((targetEventListeners, eventName) => { + targetEventListeners.forEach(listener => { + target.removeListener(eventName, listener); + }); + }); + }); + this._eventListeners.clear(); + }; + + /** + * Run tests with full titles matching `re`. Updates runner.total + * with number of tests matched. + * + * @public + * @memberof Runner + * @param {RegExp} re + * @param {boolean} invert + * @return {Runner} Runner instance. + */ + Runner.prototype.grep = function (re, invert) { + debug('grep(): setting to %s', re); + this._grep = re; + this._invert = invert; + this.total = this.grepTotal(this.suite); + return this; + }; + + /** + * Returns the number of tests matching the grep search for the + * given suite. + * + * @memberof Runner + * @public + * @param {Suite} suite + * @return {number} + */ + Runner.prototype.grepTotal = function (suite) { + var self = this; + var total = 0; + + suite.eachTest(function (test) { + var match = self._grep.test(test.fullTitle()); + if (self._invert) { + match = !match; + } + if (match) { + total++; + } + }); + + return total; + }; + + /** + * Return a list of global properties. + * + * @return {Array} + * @private + */ + Runner.prototype.globalProps = function () { + var props = Object.keys(commonjsGlobal); + + // non-enumerables + for (var i = 0; i < globals.length; ++i) { + if (~props.indexOf(globals[i])) { + continue; + } + props.push(globals[i]); + } + + return props; + }; + + /** + * Allow the given `arr` of globals. + * + * @public + * @memberof Runner + * @param {Array} arr + * @return {Runner} Runner instance. + */ + Runner.prototype.globals = function (arr) { + if (!arguments.length) { + return this._globals; + } + debug('globals(): setting to %O', arr); + this._globals = this._globals.concat(arr); + return this; + }; + + /** + * Check for global variable leaks. + * + * @private + */ + Runner.prototype.checkGlobals = function (test) { + if (!this.checkLeaks) { + return; + } + var ok = this._globals; + + var globals = this.globalProps(); + var leaks; + + if (test) { + ok = ok.concat(test._allowedGlobals || []); + } + + if (this.prevGlobalsLength === globals.length) { + return; + } + this.prevGlobalsLength = globals.length; + + leaks = filterLeaks(ok, globals); + this._globals = this._globals.concat(leaks); + + if (leaks.length) { + var msg = `global leak(s) detected: ${leaks.map(e => `'${e}'`).join(', ')}`; + this.fail(test, new Error(msg)); + } + }; + + /** + * Fail the given `test`. + * + * If `test` is a hook, failures work in the following pattern: + * - If bail, run corresponding `after each` and `after` hooks, + * then exit + * - Failed `before` hook skips all tests in a suite and subsuites, + * but jumps to corresponding `after` hook + * - Failed `before each` hook skips remaining tests in a + * suite and jumps to corresponding `after each` hook, + * which is run only once + * - Failed `after` hook does not alter execution order + * - Failed `after each` hook skips remaining tests in a + * suite and subsuites, but executes other `after each` + * hooks + * + * @private + * @param {Runnable} test + * @param {Error} err + * @param {boolean} [force=false] - Whether to fail a pending test. + */ + Runner.prototype.fail = function (test, err, force) { + force = force === true; + if (test.isPending() && !force) { + return; + } + if (this.state === constants$1.STATE_STOPPED) { + if (err.code === errorConstants.MULTIPLE_DONE) { + throw err; + } + throw createFatalError( + 'Test failed after root suite execution completed!', + err + ); + } + + ++this.failures; + debug('total number of failures: %d', this.failures); + test.state = STATE_FAILED; + + if (!isError(err)) { + err = thrown2Error(err); + } + + // Filter the stack traces + if (!this.fullStackTrace) { + const alreadyFiltered = new Set(); + let currentErr = err; + + while (currentErr && currentErr.stack && !alreadyFiltered.has(currentErr)) { + alreadyFiltered.add(currentErr); + + try { + currentErr.stack = stackFilter(currentErr.stack); + } catch (ignore) { + // some environments do not take kindly to monkeying with the stack + } + + currentErr = currentErr.cause; + } + } + + this.emit(constants$1.EVENT_TEST_FAIL, test, err); + }; + + /** + * Run hook `name` callbacks and then invoke `fn()`. + * + * @private + * @param {string} name + * @param {Function} fn + */ + + Runner.prototype.hook = function (name, fn) { + if (this._opts.dryRun) return fn(); + + var suite = this.suite; + var hooks = suite.getHooks(name); + var self = this; + + function next(i) { + var hook = hooks[i]; + if (!hook) { + return fn(); + } + self.currentRunnable = hook; + + if (name === HOOK_TYPE_BEFORE_ALL) { + hook.ctx.currentTest = hook.parent.tests[0]; + } else if (name === HOOK_TYPE_AFTER_ALL) { + hook.ctx.currentTest = hook.parent.tests[hook.parent.tests.length - 1]; + } else { + hook.ctx.currentTest = self.test; + } + + setHookTitle(hook); + + hook.allowUncaught = self.allowUncaught; + + self.emit(constants$1.EVENT_HOOK_BEGIN, hook); + + if (!hook.listeners('error').length) { + self._addEventListener(hook, 'error', function (err) { + self.fail(hook, err); + }); + } + + hook.run(function cbHookRun(err) { + var testError = hook.error(); + if (testError) { + self.fail(self.test, testError); + } + // conditional skip + if (hook.pending) { + if (name === HOOK_TYPE_AFTER_EACH) { + // TODO define and implement use case + if (self.test) { + self.test.pending = true; + } + } else if (name === HOOK_TYPE_BEFORE_EACH) { + if (self.test) { + self.test.pending = true; + } + self.emit(constants$1.EVENT_HOOK_END, hook); + hook.pending = false; // activates hook for next test + return fn(new Error('abort hookDown')); + } else if (name === HOOK_TYPE_BEFORE_ALL) { + suite.tests.forEach(function (test) { + test.pending = true; + }); + suite.suites.forEach(function (suite) { + suite.pending = true; + }); + hooks = []; + } else { + hook.pending = false; + var errForbid = createUnsupportedError$1('`this.skip` forbidden'); + self.fail(hook, errForbid); + return fn(errForbid); + } + } else if (err) { + self.fail(hook, err); + // stop executing hooks, notify callee of hook err + return fn(err); + } + self.emit(constants$1.EVENT_HOOK_END, hook); + delete hook.ctx.currentTest; + setHookTitle(hook); + next(++i); + }); + + function setHookTitle(hook) { + hook.originalTitle = hook.originalTitle || hook.title; + if (hook.ctx && hook.ctx.currentTest) { + hook.title = `${hook.originalTitle} for "${hook.ctx.currentTest.title}"`; + } else { + var parentTitle; + if (hook.parent.title) { + parentTitle = hook.parent.title; + } else { + parentTitle = hook.parent.root ? '{root}' : ''; + } + hook.title = `${hook.originalTitle} in "${parentTitle}"`; + } + } + } + + Runner.immediately(function () { + next(0); + }); + }; + + /** + * Run hook `name` for the given array of `suites` + * in order, and callback `fn(err, errSuite)`. + * + * @private + * @param {string} name + * @param {Array} suites + * @param {Function} fn + */ + Runner.prototype.hooks = function (name, suites, fn) { + var self = this; + var orig = this.suite; + + function next(suite) { + self.suite = suite; + + if (!suite) { + self.suite = orig; + return fn(); + } + + self.hook(name, function (err) { + if (err) { + var errSuite = self.suite; + self.suite = orig; + return fn(err, errSuite); + } + + next(suites.pop()); + }); + } + + next(suites.pop()); + }; + + /** + * Run 'afterEach' hooks from bottom up. + * + * @param {String} name + * @param {Function} fn + * @private + */ + Runner.prototype.hookUp = function (name, fn) { + var suites = [this.suite].concat(this.parents()).reverse(); + this.hooks(name, suites, fn); + }; + + /** + * Run 'beforeEach' hooks from top level down. + * + * @param {String} name + * @param {Function} fn + * @private + */ + Runner.prototype.hookDown = function (name, fn) { + var suites = [this.suite].concat(this.parents()); + this.hooks(name, suites, fn); + }; + + /** + * Return an array of parent Suites from + * closest to furthest. + * + * @return {Array} + * @private + */ + Runner.prototype.parents = function () { + var suite = this.suite; + var suites = []; + while (suite.parent) { + suite = suite.parent; + suites.push(suite); + } + return suites; + }; + + /** + * Run the current test and callback `fn(err)`. + * + * @param {Function} fn + * @private + */ + Runner.prototype.runTest = function (fn) { + if (this._opts.dryRun) return Runner.immediately(fn); + + var self = this; + var test = this.test; + + if (!test) { + return; + } + + if (this.asyncOnly) { + test.asyncOnly = true; + } + this._addEventListener(test, 'error', function (err) { + self.fail(test, err); + }); + if (this.allowUncaught) { + test.allowUncaught = true; + return test.run(fn); + } + try { + test.run(fn); + } catch (err) { + fn(err); + } + }; + + /** + * Run tests in the given `suite` and invoke the callback `fn()` when complete. + * + * @private + * @param {Suite} suite + * @param {Function} fn + */ + Runner.prototype.runTests = function (suite, fn) { + var self = this; + var tests = suite.tests.slice(); + var test; + + function hookErr(_, errSuite, after) { + // before/after Each hook for errSuite failed: + var orig = self.suite; + + // for failed 'after each' hook start from errSuite parent, + // otherwise start from errSuite itself + self.suite = after ? errSuite.parent : errSuite; + + if (self.suite) { + self.hookUp(HOOK_TYPE_AFTER_EACH, function (err2, errSuite2) { + self.suite = orig; + // some hooks may fail even now + if (err2) { + return hookErr(err2, errSuite2, true); + } + // report error suite + fn(errSuite); + }); + } else { + // there is no need calling other 'after each' hooks + self.suite = orig; + fn(errSuite); + } + } + + function next(err, errSuite) { + // if we bail after first err + if (self.failures && suite._bail) { + tests = []; + } + + if (self._abort) { + return fn(); + } + + if (err) { + return hookErr(err, errSuite, true); + } + + // next test + test = tests.shift(); + + // all done + if (!test) { + return fn(); + } + + // grep + var match = self._grep.test(test.fullTitle()); + if (self._invert) { + match = !match; + } + if (!match) { + // Run immediately only if we have defined a grep. When we + // define a grep — It can cause maximum callstack error if + // the grep is doing a large recursive loop by neglecting + // all tests. The run immediately function also comes with + // a performance cost. So we don't want to run immediately + // if we run the whole test suite, because running the whole + // test suite don't do any immediate recursive loops. Thus, + // allowing a JS runtime to breathe. + if (self._grep !== self._defaultGrep) { + Runner.immediately(next); + } else { + next(); + } + return; + } + + // static skip, no hooks are executed + if (test.isPending()) { + if (self.forbidPending) { + self.fail(test, new Error('Pending test forbidden'), true); + } else { + test.state = STATE_PENDING; + self.emit(constants$1.EVENT_TEST_PENDING, test); + } + self.emit(constants$1.EVENT_TEST_END, test); + return next(); + } + + // execute test and hook(s) + self.emit(constants$1.EVENT_TEST_BEGIN, (self.test = test)); + self.hookDown(HOOK_TYPE_BEFORE_EACH, function (err, errSuite) { + // conditional skip within beforeEach + if (test.isPending()) { + if (self.forbidPending) { + self.fail(test, new Error('Pending test forbidden'), true); + } else { + test.state = STATE_PENDING; + self.emit(constants$1.EVENT_TEST_PENDING, test); + } + self.emit(constants$1.EVENT_TEST_END, test); + // skip inner afterEach hooks below errSuite level + var origSuite = self.suite; + self.suite = errSuite || self.suite; + return self.hookUp(HOOK_TYPE_AFTER_EACH, function (e, eSuite) { + self.suite = origSuite; + next(e, eSuite); + }); + } + if (err) { + return hookErr(err, errSuite, false); + } + self.currentRunnable = self.test; + self.runTest(function (err) { + test = self.test; + // conditional skip within it + if (test.pending) { + if (self.forbidPending) { + self.fail(test, new Error('Pending test forbidden'), true); + } else { + test.state = STATE_PENDING; + self.emit(constants$1.EVENT_TEST_PENDING, test); + } + self.emit(constants$1.EVENT_TEST_END, test); + return self.hookUp(HOOK_TYPE_AFTER_EACH, next); + } else if (err) { + var retry = test.currentRetry(); + if (retry < test.retries()) { + var clonedTest = test.clone(); + clonedTest.currentRetry(retry + 1); + tests.unshift(clonedTest); + + self.emit(constants$1.EVENT_TEST_RETRY, test, err); + + // Early return + hook trigger so that it doesn't + // increment the count wrong + return self.hookUp(HOOK_TYPE_AFTER_EACH, next); + } else { + self.fail(test, err); + } + self.emit(constants$1.EVENT_TEST_END, test); + return self.hookUp(HOOK_TYPE_AFTER_EACH, next); + } + + test.state = STATE_PASSED; + self.emit(constants$1.EVENT_TEST_PASS, test); + self.emit(constants$1.EVENT_TEST_END, test); + self.hookUp(HOOK_TYPE_AFTER_EACH, next); + }); + }); + } + + this.next = next; + this.hookErr = hookErr; + next(); + }; + + /** + * Run the given `suite` and invoke the callback `fn()` when complete. + * + * @private + * @param {Suite} suite + * @param {Function} fn + */ + Runner.prototype.runSuite = function (suite, fn) { + var i = 0; + var self = this; + var total = this.grepTotal(suite); + + debug('runSuite(): running %s', suite.fullTitle()); + + if (!total || (self.failures && suite._bail)) { + debug('runSuite(): bailing'); + return fn(); + } + + this.emit(constants$1.EVENT_SUITE_BEGIN, (this.suite = suite)); + + function next(errSuite) { + if (errSuite) { + // current suite failed on a hook from errSuite + if (errSuite === suite) { + // if errSuite is current suite + // continue to the next sibling suite + return done(); + } + // errSuite is among the parents of current suite + // stop execution of errSuite and all sub-suites + return done(errSuite); + } + + if (self._abort) { + return done(); + } + + var curr = suite.suites[i++]; + if (!curr) { + return done(); + } + + // Avoid grep neglecting large number of tests causing a + // huge recursive loop and thus a maximum call stack error. + // See comment in `this.runTests()` for more information. + if (self._grep !== self._defaultGrep) { + Runner.immediately(function () { + self.runSuite(curr, next); + }); + } else { + self.runSuite(curr, next); + } + } + + function done(errSuite) { + self.suite = suite; + self.nextSuite = next; + + // remove reference to test + delete self.test; + + self.hook(HOOK_TYPE_AFTER_ALL, function () { + self.emit(constants$1.EVENT_SUITE_END, suite); + fn(errSuite); + }); + } + + this.nextSuite = next; + + this.hook(HOOK_TYPE_BEFORE_ALL, function (err) { + if (err) { + return done(); + } + self.runTests(suite, next); + }); + }; + + /** + * Handle uncaught exceptions within runner. + * + * This function is bound to the instance as `Runner#uncaught` at instantiation + * time. It's intended to be listening on the `Process.uncaughtException` event. + * In order to not leak EE listeners, we need to ensure no more than a single + * `uncaughtException` listener exists per `Runner`. The only way to do + * this--because this function needs the context (and we don't have lambdas)--is + * to use `Function.prototype.bind`. We need strict equality to unregister and + * _only_ unregister the _one_ listener we set from the + * `Process.uncaughtException` event; would be poor form to just remove + * everything. See {@link Runner#run} for where the event listener is registered + * and unregistered. + * @param {Error} err - Some uncaught error + * @private + */ + Runner.prototype._uncaught = function (err) { + // this is defensive to prevent future developers from mis-calling this function. + // it's more likely that it'd be called with the incorrect context--say, the global + // `process` object--than it would to be called with a context that is not a "subclass" + // of `Runner`. + if (!(this instanceof Runner)) { + throw createFatalError( + 'Runner#uncaught() called with invalid context', + this + ); + } + if (err instanceof Pending) { + debug('uncaught(): caught a Pending'); + return; + } + // browser does not exit script when throwing in global.onerror() + if (this.allowUncaught && !utils$1.isBrowser()) { + debug('uncaught(): bubbling exception due to --allow-uncaught'); + throw err; + } + + if (this.state === constants$1.STATE_STOPPED) { + debug('uncaught(): throwing after run has completed!'); + throw err; + } + + if (err) { + debug('uncaught(): got truthy exception %O', err); + } else { + debug('uncaught(): undefined/falsy exception'); + err = createInvalidExceptionError( + 'Caught falsy/undefined exception which would otherwise be uncaught. No stack trace found; try a debugger', + err + ); + } + + if (!isError(err)) { + err = thrown2Error(err); + debug('uncaught(): converted "error" %o to Error', err); + } + err.uncaught = true; + + var runnable = this.currentRunnable; + + if (!runnable) { + runnable = new Runnable$1('Uncaught error outside test suite'); + debug('uncaught(): no current Runnable; created a phony one'); + runnable.parent = this.suite; + + if (this.state === constants$1.STATE_RUNNING) { + debug('uncaught(): failing gracefully'); + this.fail(runnable, err); + } else { + // Can't recover from this failure + debug('uncaught(): test run has not yet started; unrecoverable'); + this.emit(constants$1.EVENT_RUN_BEGIN); + this.fail(runnable, err); + this.emit(constants$1.EVENT_RUN_END); + } + + return; + } + + runnable.clearTimeout(); + + if (runnable.isFailed()) { + debug('uncaught(): Runnable has already failed'); + // Ignore error if already failed + return; + } else if (runnable.isPending()) { + debug('uncaught(): pending Runnable wound up failing!'); + // report 'pending test' retrospectively as failed + this.fail(runnable, err, true); + return; + } + + // we cannot recover gracefully if a Runnable has already passed + // then fails asynchronously + if (runnable.isPassed()) { + debug('uncaught(): Runnable has already passed; bailing gracefully'); + this.fail(runnable, err); + this.abort(); + } else { + debug('uncaught(): forcing Runnable to complete with Error'); + return runnable.callback(err); + } + }; + + /** + * Run the root suite and invoke `fn(failures)` + * on completion. + * + * @public + * @memberof Runner + * @param {Function} fn - Callback when finished + * @param {Object} [opts] - For subclasses + * @param {string[]} opts.files - Files to run + * @param {Options} opts.options - command-line options + * @returns {Runner} Runner instance. + */ + Runner.prototype.run = function (fn, opts = {}) { + var rootSuite = this.suite; + var options = opts.options || {}; + + debug('run(): got options: %O', options); + fn = fn || function () {}; + + const end = () => { + if (!this.total && this._opts.failZero) this.failures = 1; + + debug('run(): root suite completed; emitting %s', constants$1.EVENT_RUN_END); + this.emit(constants$1.EVENT_RUN_END); + }; + + const begin = () => { + debug('run(): emitting %s', constants$1.EVENT_RUN_BEGIN); + this.emit(constants$1.EVENT_RUN_BEGIN); + debug('run(): emitted %s', constants$1.EVENT_RUN_BEGIN); + + this.runSuite(rootSuite, end); + }; + + const prepare = () => { + debug('run(): starting'); + // If there is an `only` filter + if (rootSuite.hasOnly()) { + rootSuite.filterOnly(); + debug('run(): filtered exclusive Runnables'); + } + this.state = constants$1.STATE_RUNNING; + if (this._opts.delay) { + this.emit(constants$1.EVENT_DELAY_END); + debug('run(): "delay" ended'); + } + + return begin(); + }; + + // references cleanup to avoid memory leaks + if (this._opts.cleanReferencesAfterRun) { + this.on(constants$1.EVENT_SUITE_END, suite => { + suite.cleanReferences(); + }); + } + + // callback + this.on(constants$1.EVENT_RUN_END, function () { + this.state = constants$1.STATE_STOPPED; + debug('run(): emitted %s', constants$1.EVENT_RUN_END); + fn(this.failures); + }); + + this._removeEventListener(process, 'uncaughtException', this.uncaught); + this._removeEventListener(process, 'unhandledRejection', this.unhandled); + this._addEventListener(process, 'uncaughtException', this.uncaught); + this._addEventListener(process, 'unhandledRejection', this.unhandled); + + if (this._opts.delay) { + // for reporters, I guess. + // might be nice to debounce some dots while we wait. + this.emit(constants$1.EVENT_DELAY_BEGIN, rootSuite); + rootSuite.once(EVENT_ROOT_SUITE_RUN, prepare); + debug('run(): waiting for green light due to --delay'); + } else { + Runner.immediately(prepare); + } + + return this; + }; + + /** + * Toggle partial object linking behavior; used for building object references from + * unique ID's. Does nothing in serial mode, because the object references already exist. + * Subclasses can implement this (e.g., `ParallelBufferedRunner`) + * @abstract + * @param {boolean} [value] - If `true`, enable partial object linking, otherwise disable + * @returns {Runner} + * @chainable + * @public + * @example + * // this reporter needs proper object references when run in parallel mode + * class MyReporter() { + * constructor(runner) { + * this.runner.linkPartialObjects(true) + * .on(EVENT_SUITE_BEGIN, suite => { + // this Suite may be the same object... + * }) + * .on(EVENT_TEST_BEGIN, test => { + * // ...as the `test.parent` property + * }); + * } + * } + */ + Runner.prototype.linkPartialObjects = function (value) { + return this; + }; + + /* + * Like {@link Runner#run}, but does not accept a callback and returns a `Promise` instead of a `Runner`. + * This function cannot reject; an `unhandledRejection` event will bubble up to the `process` object instead. + * @public + * @memberof Runner + * @param {Object} [opts] - Options for {@link Runner#run} + * @returns {Promise} Failure count + */ + Runner.prototype.runAsync = async function runAsync(opts = {}) { + return new Promise(resolve => { + this.run(resolve, opts); + }); + }; + + /** + * Cleanly abort execution. + * + * @memberof Runner + * @public + * @return {Runner} Runner instance. + */ + Runner.prototype.abort = function () { + debug('abort(): aborting'); + this._abort = true; + + return this; + }; + + /** + * Returns `true` if Mocha is running in parallel mode. For reporters. + * + * Subclasses should return an appropriate value. + * @public + * @returns {false} + */ + Runner.prototype.isParallelMode = function isParallelMode() { + return false; + }; + + /** + * Configures an alternate reporter for worker processes to use. Subclasses + * using worker processes should implement this. + * @public + * @param {string} path - Absolute path to alternate reporter for worker processes to use + * @returns {Runner} + * @throws When in serial mode + * @chainable + * @abstract + */ + Runner.prototype.workerReporter = function () { + throw createUnsupportedError$1('workerReporter() not supported in serial mode'); + }; + + /** + * Filter leaks with the given globals flagged as `ok`. + * + * @private + * @param {Array} ok + * @param {Array} globals + * @return {Array} + */ + function filterLeaks(ok, globals) { + return globals.filter(function (key) { + // Firefox and Chrome exposes iframes as index inside the window object + if (/^\d+/.test(key)) { + return false; + } + + // in firefox + // if runner runs in an iframe, this iframe's window.getInterface method + // not init at first it is assigned in some seconds + if (commonjsGlobal.navigator && /^getInterface/.test(key)) { + return false; + } + + // an iframe could be approached by window[iframeIndex] + // in ie6,7,8 and opera, iframeIndex is enumerable, this could cause leak + if (commonjsGlobal.navigator && /^\d+/.test(key)) { + return false; + } + + // Opera and IE expose global variables for HTML element IDs (issue #243) + if (/^mocha-/.test(key)) { + return false; + } + + var matched = ok.filter(function (ok) { + if (~ok.indexOf('*')) { + return key.indexOf(ok.split('*')[0]) === 0; + } + return key === ok; + }); + return !matched.length && (!commonjsGlobal.navigator || key !== 'onerror'); + }); + } + + /** + * Check if argument is an instance of Error object or a duck-typed equivalent. + * + * @private + * @param {Object} err - object to check + * @param {string} err.message - error message + * @returns {boolean} + */ + function isError(err) { + return err instanceof Error || (err && typeof err.message === 'string'); + } + + /** + * + * Converts thrown non-extensible type into proper Error. + * + * @private + * @param {*} thrown - Non-extensible type thrown by code + * @return {Error} + */ + function thrown2Error(err) { + return new Error( + `the ${utils$1.canonicalType(err)} ${stringify( + err + )} was thrown, throw an Error :)` + ); + } + + Runner.constants = constants$1; + + /** + * Node.js' `EventEmitter` + * @external EventEmitter + * @see {@link https://nodejs.org/api/events.html#events_class_eventemitter} + */ + + var runner = Runner; + + (function (module, exports) { + /** + * @module Base + */ + /** + * Module dependencies. + */ + + var diff = lib; + var milliseconds = ms$1; + var utils = utils$3; + var supportsColor = require$$18; + var symbols = browser$1; + var constants = runner.constants; + var EVENT_TEST_PASS = constants.EVENT_TEST_PASS; + var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL; + + const isBrowser = utils.isBrowser(); + + function getBrowserWindowSize() { + if ('innerHeight' in commonjsGlobal) { + return [commonjsGlobal.innerHeight, commonjsGlobal.innerWidth]; + } + // In a Web Worker, the DOM Window is not available. + return [640, 480]; + } + + /** + * Expose `Base`. + */ + + exports = module.exports = Base; + + /** + * Check if both stdio streams are associated with a tty. + */ + + var isatty = isBrowser || (process.stdout.isTTY && process.stderr.isTTY); + + /** + * Save log references to avoid tests interfering (see GH-3604). + */ + var consoleLog = console.log; + + /** + * Enable coloring by default, except in the browser interface. + */ + + exports.useColors = + !isBrowser && + (supportsColor.stdout || process.env.MOCHA_COLORS !== undefined); + + /** + * Inline diffs instead of +/- + */ + + exports.inlineDiffs = false; + + /** + * Truncate diffs longer than this value to avoid slow performance + */ + exports.maxDiffSize = 8192; + + /** + * Default color map. + */ + + exports.colors = { + pass: 90, + fail: 31, + 'bright pass': 92, + 'bright fail': 91, + 'bright yellow': 93, + pending: 36, + suite: 0, + 'error title': 0, + 'error message': 31, + 'error stack': 90, + checkmark: 32, + fast: 90, + medium: 33, + slow: 31, + green: 32, + light: 90, + 'diff gutter': 90, + 'diff added': 32, + 'diff removed': 31, + 'diff added inline': '30;42', + 'diff removed inline': '30;41' + }; + + /** + * Default symbol map. + */ + + exports.symbols = { + ok: symbols.success, + err: symbols.error, + dot: '.', + comma: ',', + bang: '!' + }; + + /** + * Color `str` with the given `type`, + * allowing colors to be disabled, + * as well as user-defined color + * schemes. + * + * @private + * @param {string} type + * @param {string} str + * @return {string} + */ + var color = (exports.color = function (type, str) { + if (!exports.useColors) { + return String(str); + } + return '\u001b[' + exports.colors[type] + 'm' + str + '\u001b[0m'; + }); + + /** + * Expose term window size, with some defaults for when stderr is not a tty. + */ + + exports.window = { + width: 75 + }; + + if (isatty) { + if (isBrowser) { + exports.window.width = getBrowserWindowSize()[1]; + } else { + exports.window.width = process.stdout.getWindowSize(1)[0]; + } + } + + /** + * Expose some basic cursor interactions that are common among reporters. + */ + + exports.cursor = { + hide: function () { + isatty && process.stdout.write('\u001b[?25l'); + }, + + show: function () { + isatty && process.stdout.write('\u001b[?25h'); + }, + + deleteLine: function () { + isatty && process.stdout.write('\u001b[2K'); + }, + + beginningOfLine: function () { + isatty && process.stdout.write('\u001b[0G'); + }, + + CR: function () { + if (isatty) { + exports.cursor.deleteLine(); + exports.cursor.beginningOfLine(); + } else { + process.stdout.write('\r'); + } + } + }; + + var showDiff = (exports.showDiff = function (err) { + return ( + err && + err.showDiff !== false && + sameType(err.actual, err.expected) && + err.expected !== undefined + ); + }); + + function stringifyDiffObjs(err) { + if (!utils.isString(err.actual) || !utils.isString(err.expected)) { + err.actual = utils.stringify(err.actual); + err.expected = utils.stringify(err.expected); + } + } + + /** + * Returns a diff between 2 strings with coloured ANSI output. + * + * @description + * The diff will be either inline or unified dependent on the value + * of `Base.inlineDiff`. + * + * @param {string} actual + * @param {string} expected + * @return {string} Diff + */ + + var generateDiff = (exports.generateDiff = function (actual, expected) { + try { + var maxLen = exports.maxDiffSize; + var skipped = 0; + if (maxLen > 0) { + skipped = Math.max(actual.length - maxLen, expected.length - maxLen); + actual = actual.slice(0, maxLen); + expected = expected.slice(0, maxLen); + } + let result = exports.inlineDiffs + ? inlineDiff(actual, expected) + : unifiedDiff(actual, expected); + if (skipped > 0) { + result = `${result}\n [mocha] output truncated to ${maxLen} characters, see "maxDiffSize" reporter-option\n`; + } + return result; + } catch (err) { + var msg = + '\n ' + + color('diff added', '+ expected') + + ' ' + + color('diff removed', '- actual: failed to generate Mocha diff') + + '\n'; + return msg; + } + }); + + /** + * Traverses err.cause and returns all stack traces + * + * @private + * @param {Error} err + * @param {Set} [seen] + * @return {FullErrorStack} + */ + var getFullErrorStack = function (err, seen) { + if (seen && seen.has(err)) { + return { message: '', msg: '', stack: '' }; + } + + var message; + + if (typeof err.inspect === 'function') { + message = err.inspect() + ''; + } else if (err.message && typeof err.message.toString === 'function') { + message = err.message + ''; + } else { + message = ''; + } + + var msg; + var stack = err.stack || message; + var index = message ? stack.indexOf(message) : -1; + + if (index === -1) { + msg = message; + } else { + index += message.length; + msg = stack.slice(0, index); + // remove msg from stack + stack = stack.slice(index + 1); + + if (err.cause) { + seen = seen || new Set(); + seen.add(err); + const causeStack = getFullErrorStack(err.cause, seen); + stack += '\n Caused by: ' + causeStack.msg + (causeStack.stack ? '\n' + causeStack.stack : ''); + } + } + + return { + message, + msg, + stack + }; + }; + + /** + * Outputs the given `failures` as a list. + * + * @public + * @memberof Mocha.reporters.Base + * @variation 1 + * @param {Object[]} failures - Each is Test instance with corresponding + * Error property + */ + exports.list = function (failures) { + var multipleErr, multipleTest; + Base.consoleLog(); + failures.forEach(function (test, i) { + // format + var fmt = + color('error title', ' %s) %s:\n') + + color('error message', ' %s') + + color('error stack', '\n%s\n'); + + // msg + var err; + if (test.err && test.err.multiple) { + if (multipleTest !== test) { + multipleTest = test; + multipleErr = [test.err].concat(test.err.multiple); + } + err = multipleErr.shift(); + } else { + err = test.err; + } + + var { message, msg, stack } = getFullErrorStack(err); + + // uncaught + if (err.uncaught) { + msg = 'Uncaught ' + msg; + } + // explicitly show diff + if (!exports.hideDiff && showDiff(err)) { + stringifyDiffObjs(err); + fmt = + color('error title', ' %s) %s:\n%s') + color('error stack', '\n%s\n'); + var match = message.match(/^([^:]+): expected/); + msg = '\n ' + color('error message', match ? match[1] : msg); + + msg += generateDiff(err.actual, err.expected); + } + + // indent stack trace + stack = stack.replace(/^/gm, ' '); + + // indented test title + var testTitle = ''; + test.titlePath().forEach(function (str, index) { + if (index !== 0) { + testTitle += '\n '; + } + for (var i = 0; i < index; i++) { + testTitle += ' '; + } + testTitle += str; + }); + + Base.consoleLog(fmt, i + 1, testTitle, msg, stack); + }); + }; + + /** + * Constructs a new `Base` reporter instance. + * + * @description + * All other reporters generally inherit from this reporter. + * + * @public + * @class + * @memberof Mocha.reporters + * @param {Runner} runner - Instance triggers reporter actions. + * @param {Object} [options] - runner options + */ + function Base(runner, options) { + var failures = (this.failures = []); + + if (!runner) { + throw new TypeError('Missing runner argument'); + } + this.options = options || {}; + this.runner = runner; + this.stats = runner.stats; // assigned so Reporters keep a closer reference + + var maxDiffSizeOpt = + this.options.reporterOption && this.options.reporterOption.maxDiffSize; + if (maxDiffSizeOpt !== undefined && !isNaN(Number(maxDiffSizeOpt))) { + exports.maxDiffSize = Number(maxDiffSizeOpt); + } + + runner.on(EVENT_TEST_PASS, function (test) { + if (test.duration > test.slow()) { + test.speed = 'slow'; + } else if (test.duration > test.slow() / 2) { + test.speed = 'medium'; + } else { + test.speed = 'fast'; + } + }); + + runner.on(EVENT_TEST_FAIL, function (test, err) { + if (showDiff(err)) { + stringifyDiffObjs(err); + } + // more than one error per test + if (test.err && err instanceof Error) { + test.err.multiple = (test.err.multiple || []).concat(err); + } else { + test.err = err; + } + failures.push(test); + }); + } + + /** + * Outputs common epilogue used by many of the bundled reporters. + * + * @public + * @memberof Mocha.reporters + */ + Base.prototype.epilogue = function () { + var stats = this.stats; + var fmt; + + Base.consoleLog(); + + // passes + fmt = + color('bright pass', ' ') + + color('green', ' %d passing') + + color('light', ' (%s)'); + + Base.consoleLog(fmt, stats.passes || 0, milliseconds(stats.duration)); + + // pending + if (stats.pending) { + fmt = color('pending', ' ') + color('pending', ' %d pending'); + + Base.consoleLog(fmt, stats.pending); + } + + // failures + if (stats.failures) { + fmt = color('fail', ' %d failing'); + + Base.consoleLog(fmt, stats.failures); + + Base.list(this.failures); + Base.consoleLog(); + } + + Base.consoleLog(); + }; + + /** + * Pads the given `str` to `len`. + * + * @private + * @param {string} str + * @param {string} len + * @return {string} + */ + function pad(str, len) { + str = String(str); + return Array(len - str.length + 1).join(' ') + str; + } + + /** + * Returns inline diff between 2 strings with coloured ANSI output. + * + * @private + * @param {String} actual + * @param {String} expected + * @return {string} Diff + */ + function inlineDiff(actual, expected) { + var msg = errorDiff(actual, expected); + + // linenos + var lines = msg.split('\n'); + if (lines.length > 4) { + var width = String(lines.length).length; + msg = lines + .map(function (str, i) { + return pad(++i, width) + ' |' + ' ' + str; + }) + .join('\n'); + } + + // legend + msg = + '\n' + + color('diff removed inline', 'actual') + + ' ' + + color('diff added inline', 'expected') + + '\n\n' + + msg + + '\n'; + + // indent + msg = msg.replace(/^/gm, ' '); + return msg; + } + + /** + * Returns unified diff between two strings with coloured ANSI output. + * + * @private + * @param {String} actual + * @param {String} expected + * @return {string} The diff. + */ + function unifiedDiff(actual, expected) { + var indent = ' '; + function cleanUp(line) { + if (line[0] === '+') { + return indent + colorLines('diff added', line); + } + if (line[0] === '-') { + return indent + colorLines('diff removed', line); + } + if (line.match(/@@/)) { + return '--'; + } + if (line.match(/\\ No newline/)) { + return null; + } + return indent + line; + } + function notBlank(line) { + return typeof line !== 'undefined' && line !== null; + } + var msg = diff.createPatch('string', actual, expected); + var lines = msg.split('\n').splice(5); + return ( + '\n ' + + colorLines('diff added', '+ expected') + + ' ' + + colorLines('diff removed', '- actual') + + '\n\n' + + lines.map(cleanUp).filter(notBlank).join('\n') + ); + } + + /** + * Returns character diff for `err`. + * + * @private + * @param {String} actual + * @param {String} expected + * @return {string} the diff + */ + function errorDiff(actual, expected) { + return diff + .diffWordsWithSpace(actual, expected) + .map(function (str) { + if (str.added) { + return colorLines('diff added inline', str.value); + } + if (str.removed) { + return colorLines('diff removed inline', str.value); + } + return str.value; + }) + .join(''); + } + + /** + * Colors lines for `str`, using the color `name`. + * + * @private + * @param {string} name + * @param {string} str + * @return {string} + */ + function colorLines(name, str) { + return str + .split('\n') + .map(function (str) { + return color(name, str); + }) + .join('\n'); + } + + /** + * Object#toString reference. + */ + var objToString = Object.prototype.toString; + + /** + * Checks that a / b have the same type. + * + * @private + * @param {Object} a + * @param {Object} b + * @return {boolean} + */ + function sameType(a, b) { + return objToString.call(a) === objToString.call(b); + } + + Base.consoleLog = consoleLog; + + Base.abstract = true; + + /** + * An object with all stack traces recursively mounted from each err.cause + * @memberof module:lib/reporters/base + * @typedef {Object} FullErrorStack + * @property {string} message + * @property {string} msg + * @property {string} stack + */ + }(base$1, base$1.exports)); + + var dot = {exports: {}}; + + (function (module, exports) { + /** + * @module Dot + */ + /** + * Module dependencies. + */ + + var Base = base$1.exports; + var inherits = utils$3.inherits; + var constants = runner.constants; + var EVENT_TEST_PASS = constants.EVENT_TEST_PASS; + var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL; + var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN; + var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING; + var EVENT_RUN_END = constants.EVENT_RUN_END; + + /** + * Expose `Dot`. + */ + + module.exports = Dot; + + /** + * Constructs a new `Dot` reporter instance. + * + * @public + * @class + * @memberof Mocha.reporters + * @extends Mocha.reporters.Base + * @param {Runner} runner - Instance triggers reporter actions. + * @param {Object} [options] - runner options + */ + function Dot(runner, options) { + Base.call(this, runner, options); + + var self = this; + var width = (Base.window.width * 0.75) | 0; + var n = -1; + + runner.on(EVENT_RUN_BEGIN, function () { + process.stdout.write('\n'); + }); + + runner.on(EVENT_TEST_PENDING, function () { + if (++n % width === 0) { + process.stdout.write('\n '); + } + process.stdout.write(Base.color('pending', Base.symbols.comma)); + }); + + runner.on(EVENT_TEST_PASS, function (test) { + if (++n % width === 0) { + process.stdout.write('\n '); + } + if (test.speed === 'slow') { + process.stdout.write(Base.color('bright yellow', Base.symbols.dot)); + } else { + process.stdout.write(Base.color(test.speed, Base.symbols.dot)); + } + }); + + runner.on(EVENT_TEST_FAIL, function () { + if (++n % width === 0) { + process.stdout.write('\n '); + } + process.stdout.write(Base.color('fail', Base.symbols.bang)); + }); + + runner.once(EVENT_RUN_END, function () { + process.stdout.write('\n'); + self.epilogue(); + }); + } + + /** + * Inherit from `Base.prototype`. + */ + inherits(Dot, Base); + + Dot.description = 'dot matrix representation'; + }(dot)); + + var doc = {exports: {}}; + + (function (module, exports) { + /** + * @module Doc + */ + /** + * Module dependencies. + */ + + var Base = base$1.exports; + var utils = utils$3; + var constants = runner.constants; + var EVENT_TEST_PASS = constants.EVENT_TEST_PASS; + var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL; + var EVENT_SUITE_BEGIN = constants.EVENT_SUITE_BEGIN; + var EVENT_SUITE_END = constants.EVENT_SUITE_END; + + /** + * Expose `Doc`. + */ + + module.exports = Doc; + + /** + * Constructs a new `Doc` reporter instance. + * + * @public + * @class + * @memberof Mocha.reporters + * @extends Mocha.reporters.Base + * @param {Runner} runner - Instance triggers reporter actions. + * @param {Object} [options] - runner options + */ + function Doc(runner, options) { + Base.call(this, runner, options); + + var indents = 2; + + function indent() { + return Array(indents).join(' '); + } + + runner.on(EVENT_SUITE_BEGIN, function (suite) { + if (suite.root) { + return; + } + ++indents; + Base.consoleLog('%s
', indent()); + ++indents; + Base.consoleLog('%s

%s

', indent(), utils.escape(suite.title)); + Base.consoleLog('%s
', indent()); + }); + + runner.on(EVENT_SUITE_END, function (suite) { + if (suite.root) { + return; + } + Base.consoleLog('%s
', indent()); + --indents; + Base.consoleLog('%s
', indent()); + --indents; + }); + + runner.on(EVENT_TEST_PASS, function (test) { + Base.consoleLog('%s
%s
', indent(), utils.escape(test.title)); + Base.consoleLog('%s
%s
', indent(), utils.escape(test.file)); + var code = utils.escape(utils.clean(test.body)); + Base.consoleLog('%s 
%s
', indent(), code); + }); + + runner.on(EVENT_TEST_FAIL, function (test, err) { + Base.consoleLog( + '%s
%s
', + indent(), + utils.escape(test.title) + ); + Base.consoleLog( + '%s
%s
', + indent(), + utils.escape(test.file) + ); + var code = utils.escape(utils.clean(test.body)); + Base.consoleLog( + '%s 
%s
', + indent(), + code + ); + Base.consoleLog( + '%s
%s
', + indent(), + utils.escape(err) + ); + }); + } + + Doc.description = 'HTML documentation'; + }(doc)); + + var tap = {exports: {}}; + + (function (module, exports) { + /** + * @module TAP + */ + /** + * Module dependencies. + */ + + var util = require$$0$1; + var Base = base$1.exports; + var constants = runner.constants; + var EVENT_TEST_PASS = constants.EVENT_TEST_PASS; + var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL; + var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN; + var EVENT_RUN_END = constants.EVENT_RUN_END; + var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING; + var EVENT_TEST_END = constants.EVENT_TEST_END; + var inherits = utils$3.inherits; + var sprintf = util.format; + + /** + * Expose `TAP`. + */ + + module.exports = TAP; + + /** + * Constructs a new `TAP` reporter instance. + * + * @public + * @class + * @memberof Mocha.reporters + * @extends Mocha.reporters.Base + * @param {Runner} runner - Instance triggers reporter actions. + * @param {Object} [options] - runner options + */ + function TAP(runner, options) { + Base.call(this, runner, options); + + var self = this; + var n = 1; + + var tapVersion = '12'; + if (options && options.reporterOptions) { + if (options.reporterOptions.tapVersion) { + tapVersion = options.reporterOptions.tapVersion.toString(); + } + } + + this._producer = createProducer(tapVersion); + + runner.once(EVENT_RUN_BEGIN, function () { + self._producer.writeVersion(); + }); + + runner.on(EVENT_TEST_END, function () { + ++n; + }); + + runner.on(EVENT_TEST_PENDING, function (test) { + self._producer.writePending(n, test); + }); + + runner.on(EVENT_TEST_PASS, function (test) { + self._producer.writePass(n, test); + }); + + runner.on(EVENT_TEST_FAIL, function (test, err) { + self._producer.writeFail(n, test, err); + }); + + runner.once(EVENT_RUN_END, function () { + self._producer.writeEpilogue(runner.stats); + }); + } + + /** + * Inherit from `Base.prototype`. + */ + inherits(TAP, Base); + + /** + * Returns a TAP-safe title of `test`. + * + * @private + * @param {Test} test - Test instance. + * @return {String} title with any hash character removed + */ + function title(test) { + return test.fullTitle().replace(/#/g, ''); + } + + /** + * Writes newline-terminated formatted string to reporter output stream. + * + * @private + * @param {string} format - `printf`-like format string + * @param {...*} [varArgs] - Format string arguments + */ + function println(format, varArgs) { + var vargs = Array.from(arguments); + vargs[0] += '\n'; + process.stdout.write(sprintf.apply(null, vargs)); + } + + /** + * Returns a `tapVersion`-appropriate TAP producer instance, if possible. + * + * @private + * @param {string} tapVersion - Version of TAP specification to produce. + * @returns {TAPProducer} specification-appropriate instance + * @throws {Error} if specification version has no associated producer. + */ + function createProducer(tapVersion) { + var producers = { + 12: new TAP12Producer(), + 13: new TAP13Producer() + }; + var producer = producers[tapVersion]; + + if (!producer) { + throw new Error( + 'invalid or unsupported TAP version: ' + JSON.stringify(tapVersion) + ); + } + + return producer; + } + + /** + * @summary + * Constructs a new TAPProducer. + * + * @description + * Only to be used as an abstract base class. + * + * @private + * @constructor + */ + function TAPProducer() {} + + /** + * Writes the TAP version to reporter output stream. + * + * @abstract + */ + TAPProducer.prototype.writeVersion = function () {}; + + /** + * Writes the plan to reporter output stream. + * + * @abstract + * @param {number} ntests - Number of tests that are planned to run. + */ + TAPProducer.prototype.writePlan = function (ntests) { + println('%d..%d', 1, ntests); + }; + + /** + * Writes that test passed to reporter output stream. + * + * @abstract + * @param {number} n - Index of test that passed. + * @param {Test} test - Instance containing test information. + */ + TAPProducer.prototype.writePass = function (n, test) { + println('ok %d %s', n, title(test)); + }; + + /** + * Writes that test was skipped to reporter output stream. + * + * @abstract + * @param {number} n - Index of test that was skipped. + * @param {Test} test - Instance containing test information. + */ + TAPProducer.prototype.writePending = function (n, test) { + println('ok %d %s # SKIP -', n, title(test)); + }; + + /** + * Writes that test failed to reporter output stream. + * + * @abstract + * @param {number} n - Index of test that failed. + * @param {Test} test - Instance containing test information. + * @param {Error} err - Reason the test failed. + */ + TAPProducer.prototype.writeFail = function (n, test, err) { + println('not ok %d %s', n, title(test)); + }; + + /** + * Writes the summary epilogue to reporter output stream. + * + * @abstract + * @param {Object} stats - Object containing run statistics. + */ + TAPProducer.prototype.writeEpilogue = function (stats) { + // :TBD: Why is this not counting pending tests? + println('# tests ' + (stats.passes + stats.failures)); + println('# pass ' + stats.passes); + // :TBD: Why are we not showing pending results? + println('# fail ' + stats.failures); + this.writePlan(stats.passes + stats.failures + stats.pending); + }; + + /** + * @summary + * Constructs a new TAP12Producer. + * + * @description + * Produces output conforming to the TAP12 specification. + * + * @private + * @constructor + * @extends TAPProducer + * @see {@link https://testanything.org/tap-specification.html|Specification} + */ + function TAP12Producer() { + /** + * Writes that test failed to reporter output stream, with error formatting. + * @override + */ + this.writeFail = function (n, test, err) { + TAPProducer.prototype.writeFail.call(this, n, test, err); + if (err.message) { + println(err.message.replace(/^/gm, ' ')); + } + if (err.stack) { + println(err.stack.replace(/^/gm, ' ')); + } + }; + } + + /** + * Inherit from `TAPProducer.prototype`. + */ + inherits(TAP12Producer, TAPProducer); + + /** + * @summary + * Constructs a new TAP13Producer. + * + * @description + * Produces output conforming to the TAP13 specification. + * + * @private + * @constructor + * @extends TAPProducer + * @see {@link https://testanything.org/tap-version-13-specification.html|Specification} + */ + function TAP13Producer() { + /** + * Writes the TAP version to reporter output stream. + * @override + */ + this.writeVersion = function () { + println('TAP version 13'); + }; + + /** + * Writes that test failed to reporter output stream, with error formatting. + * @override + */ + this.writeFail = function (n, test, err) { + TAPProducer.prototype.writeFail.call(this, n, test, err); + var emitYamlBlock = err.message != null || err.stack != null; + if (emitYamlBlock) { + println(indent(1) + '---'); + if (err.message) { + println(indent(2) + 'message: |-'); + println(err.message.replace(/^/gm, indent(3))); + } + if (err.stack) { + println(indent(2) + 'stack: |-'); + println(err.stack.replace(/^/gm, indent(3))); + } + println(indent(1) + '...'); + } + }; + + function indent(level) { + return Array(level + 1).join(' '); + } + } + + /** + * Inherit from `TAPProducer.prototype`. + */ + inherits(TAP13Producer, TAPProducer); + + TAP.description = 'TAP-compatible output'; + }(tap)); + + var json = {exports: {}}; + + var _polyfillNode_fs = {}; + + var _polyfillNode_fs$1 = /*#__PURE__*/Object.freeze({ + __proto__: null, + 'default': _polyfillNode_fs + }); + + var require$$2 = /*@__PURE__*/getAugmentedNamespace(_polyfillNode_fs$1); + + (function (module, exports) { + /** + * @module JSON + */ + /** + * Module dependencies. + */ + + var Base = base$1.exports; + var fs = require$$2; + var path = require$$1; + const createUnsupportedError = errors$2.createUnsupportedError; + const utils = utils$3; + var constants = runner.constants; + var EVENT_TEST_PASS = constants.EVENT_TEST_PASS; + var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING; + var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL; + var EVENT_TEST_END = constants.EVENT_TEST_END; + var EVENT_RUN_END = constants.EVENT_RUN_END; + + /** + * Expose `JSON`. + */ + + module.exports = JSONReporter; + + /** + * Constructs a new `JSON` reporter instance. + * + * @public + * @class JSON + * @memberof Mocha.reporters + * @extends Mocha.reporters.Base + * @param {Runner} runner - Instance triggers reporter actions. + * @param {Object} [options] - runner options + */ + function JSONReporter(runner, options = {}) { + Base.call(this, runner, options); + + var self = this; + var tests = []; + var pending = []; + var failures = []; + var passes = []; + var output; + + if (options.reporterOption && options.reporterOption.output) { + if (utils.isBrowser()) { + throw createUnsupportedError('file output not supported in browser'); + } + output = options.reporterOption.output; + } + + runner.on(EVENT_TEST_END, function (test) { + tests.push(test); + }); + + runner.on(EVENT_TEST_PASS, function (test) { + passes.push(test); + }); + + runner.on(EVENT_TEST_FAIL, function (test) { + failures.push(test); + }); + + runner.on(EVENT_TEST_PENDING, function (test) { + pending.push(test); + }); + + runner.once(EVENT_RUN_END, function () { + var obj = { + stats: self.stats, + tests: tests.map(clean), + pending: pending.map(clean), + failures: failures.map(clean), + passes: passes.map(clean) + }; + + runner.testResults = obj; + + var json = JSON.stringify(obj, null, 2); + if (output) { + try { + fs.mkdirSync(path.dirname(output), {recursive: true}); + fs.writeFileSync(output, json); + } catch (err) { + console.error( + `${Base.symbols.err} [mocha] writing output to "${output}" failed: ${err.message}\n` + ); + process.stdout.write(json); + } + } else { + process.stdout.write(json); + } + }); + } + + /** + * Return a plain-object representation of `test` + * free of cyclic properties etc. + * + * @private + * @param {Object} test + * @return {Object} + */ + function clean(test) { + var err = test.err || {}; + if (err instanceof Error) { + err = errorJSON(err); + } + + return { + title: test.title, + fullTitle: test.fullTitle(), + file: test.file, + duration: test.duration, + currentRetry: test.currentRetry(), + speed: test.speed, + err: cleanCycles(err) + }; + } + + /** + * Replaces any circular references inside `obj` with '[object Object]' + * + * @private + * @param {Object} obj + * @return {Object} + */ + function cleanCycles(obj) { + var cache = []; + return JSON.parse( + JSON.stringify(obj, function (key, value) { + if (typeof value === 'object' && value !== null) { + if (cache.indexOf(value) !== -1) { + // Instead of going in a circle, we'll print [object Object] + return '' + value; + } + cache.push(value); + } + + return value; + }) + ); + } + + /** + * Transform an Error object into a JSON object. + * + * @private + * @param {Error} err + * @return {Object} + */ + function errorJSON(err) { + var res = {}; + Object.getOwnPropertyNames(err).forEach(function (key) { + res[key] = err[key]; + }, err); + return res; + } + + JSONReporter.description = 'single JSON object'; + }(json)); + + var html = {exports: {}}; + + (function (module, exports) { + + /* eslint-env browser */ + /** + * @module HTML + */ + /** + * Module dependencies. + */ + + var Base = base$1.exports; + var utils = utils$3; + var escapeRe = escapeStringRegexp; + var constants = runner.constants; + var EVENT_TEST_PASS = constants.EVENT_TEST_PASS; + var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL; + var EVENT_SUITE_BEGIN = constants.EVENT_SUITE_BEGIN; + var EVENT_SUITE_END = constants.EVENT_SUITE_END; + var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING; + var escape = utils.escape; + + /** + * Save timer references to avoid Sinon interfering (see GH-237). + */ + + var Date = commonjsGlobal.Date; + + /** + * Expose `HTML`. + */ + + module.exports = HTML; + + /** + * Stats template: Result, progress, passes, failures, and duration. + */ + + var statsTemplate = + ''; + + var playIcon = '‣'; + + /** + * Constructs a new `HTML` reporter instance. + * + * @public + * @class + * @memberof Mocha.reporters + * @extends Mocha.reporters.Base + * @param {Runner} runner - Instance triggers reporter actions. + * @param {Object} [options] - runner options + */ + function HTML(runner, options) { + Base.call(this, runner, options); + + var self = this; + var stats = this.stats; + var stat = fragment(statsTemplate); + var items = stat.getElementsByTagName('li'); + const resultIndex = 0; + const progressIndex = 1; + const passesIndex = 2; + const failuresIndex = 3; + const durationIndex = 4; + /** Stat item containing the root suite pass or fail indicator (hasFailures ? '✖' : '✓') */ + var resultIndicator = items[resultIndex]; + /** Passes text and count */ + const passesStat = items[passesIndex]; + /** Stat item containing the pass count (not the word, just the number) */ + const passesCount = passesStat.getElementsByTagName('em')[0]; + /** Stat item linking to filter to show only passing tests */ + const passesLink = passesStat.getElementsByTagName('a')[0]; + /** Failures text and count */ + const failuresStat = items[failuresIndex]; + /** Stat item containing the failure count (not the word, just the number) */ + const failuresCount = failuresStat.getElementsByTagName('em')[0]; + /** Stat item linking to filter to show only failing tests */ + const failuresLink = failuresStat.getElementsByTagName('a')[0]; + /** Stat item linking to the duration time (not the word or unit, just the number) */ + var duration = items[durationIndex].getElementsByTagName('em')[0]; + var report = fragment('
    '); + var stack = [report]; + var progressText = items[progressIndex].getElementsByTagName('div')[0]; + var progressBar = items[progressIndex].getElementsByTagName('progress')[0]; + var progressRing = [ + items[progressIndex].getElementsByClassName('ring-flatlight')[0], + items[progressIndex].getElementsByClassName('ring-highlight')[0] + ]; + var root = document.getElementById('mocha'); + + if (!root) { + return error('#mocha div missing, add it to your document'); + } + + // pass toggle + on(passesLink, 'click', function (evt) { + evt.preventDefault(); + unhide(); + var name = /pass/.test(report.className) ? '' : ' pass'; + report.className = report.className.replace(/fail|pass/g, '') + name; + if (report.className.trim()) { + hideSuitesWithout('test pass'); + } + }); + + // failure toggle + on(failuresLink, 'click', function (evt) { + evt.preventDefault(); + unhide(); + var name = /fail/.test(report.className) ? '' : ' fail'; + report.className = report.className.replace(/fail|pass/g, '') + name; + if (report.className.trim()) { + hideSuitesWithout('test fail'); + } + }); + + root.appendChild(stat); + root.appendChild(report); + + runner.on(EVENT_SUITE_BEGIN, function (suite) { + if (suite.root) { + return; + } + + // suite + var url = self.suiteURL(suite); + var el = fragment( + '

  • %s

    • ', + url, + escape(suite.title) + ); + + // container + stack[0].appendChild(el); + stack.unshift(document.createElement('ul')); + el.appendChild(stack[0]); + }); + + runner.on(EVENT_SUITE_END, function (suite) { + if (suite.root) { + if (stats.failures === 0) { + text(resultIndicator, '✓'); + stat.className += ' pass'; + } + updateStats(); + return; + } + stack.shift(); + }); + + runner.on(EVENT_TEST_PASS, function (test) { + var url = self.testURL(test); + var markup = + '

  • %e%ems ' + + '' + + playIcon + + '

    • '; + var el = fragment(markup, test.speed, test.title, test.duration, url); + self.addCodeToggle(el, test.body); + appendToStack(el); + updateStats(); + }); + + runner.on(EVENT_TEST_FAIL, function (test) { + // Update stat items + text(resultIndicator, '✖'); + stat.className += ' fail'; + + var el = fragment( + '

  • %e ' + + playIcon + + '

    • ', + test.title, + self.testURL(test) + ); + var stackString; // Note: Includes leading newline + var message = test.err.toString(); + + // <=IE7 stringifies to [Object Error]. Since it can be overloaded, we + // check for the result of the stringifying. + if (message === '[object Error]') { + message = test.err.message; + } + + if (test.err.stack) { + var indexOfMessage = test.err.stack.indexOf(test.err.message); + if (indexOfMessage === -1) { + stackString = test.err.stack; + } else { + stackString = test.err.stack.slice( + test.err.message.length + indexOfMessage + ); + } + } else if (test.err.sourceURL && test.err.line !== undefined) { + // Safari doesn't give you a stack. Let's at least provide a source line. + stackString = '\n(' + test.err.sourceURL + ':' + test.err.line + ')'; + } + + stackString = stackString || ''; + + if (test.err.htmlMessage && stackString) { + el.appendChild( + fragment( + '
    %s\n
    %e
    ', + test.err.htmlMessage, + stackString + ) + ); + } else if (test.err.htmlMessage) { + el.appendChild( + fragment('
    %s
    ', test.err.htmlMessage) + ); + } else { + el.appendChild( + fragment('
    %e%e
    ', message, stackString) + ); + } + + self.addCodeToggle(el, test.body); + appendToStack(el); + updateStats(); + }); + + runner.on(EVENT_TEST_PENDING, function (test) { + var el = fragment( + '

  • %e

    • ', + test.title + ); + appendToStack(el); + updateStats(); + }); + + function appendToStack(el) { + // Don't call .appendChild if #mocha-report was already .shift()'ed off the stack. + if (stack[0]) { + stack[0].appendChild(el); + } + } + + function updateStats() { + var percent = ((stats.tests / runner.total) * 100) | 0; + progressBar.value = percent; + if (progressText) { + // setting a toFixed that is too low, makes small changes to progress not shown + // setting it too high, makes the progress text longer then it needs to + // to address this, calculate the toFixed based on the magnitude of total + var decimalPlaces = Math.ceil(Math.log10(runner.total / 100)); + text( + progressText, + percent.toFixed(Math.min(Math.max(decimalPlaces, 0), 100)) + '%' + ); + } + if (progressRing) { + var radius = parseFloat(getComputedStyle(progressRing[0]).getPropertyValue('r')); + var wholeArc = Math.PI * 2 * radius; + var highlightArc = percent * (wholeArc / 100); + // The progress ring is in 2 parts, the flatlight color and highlight color. + // Rendering both on top of the other, seems to make a 3rd color on the edges. + // To create 1 whole ring with 2 colors, both parts are inverse of the other. + progressRing[0].style['stroke-dasharray'] = `0,${highlightArc}px,${wholeArc}px`; + progressRing[1].style['stroke-dasharray'] = `${highlightArc}px,${wholeArc}px`; + } + + // update stats + var ms = new Date() - stats.start; + text(passesCount, stats.passes); + text(failuresCount, stats.failures); + text(duration, (ms / 1000).toFixed(2)); + } + } + + /** + * Makes a URL, preserving querystring ("search") parameters. + * + * @param {string} s + * @return {string} A new URL. + */ + function makeUrl(s) { + var search = window.location.search; + + // Remove previous {grep, fgrep, invert} query parameters if present + if (search) { + search = search.replace(/[?&](?:f?grep|invert)=[^&\s]*/g, '').replace(/^&/, '?'); + } + + return ( + window.location.pathname + + (search ? search + '&' : '?') + + 'grep=' + + encodeURIComponent(s) + ); + } + + /** + * Provide suite URL. + * + * @param {Object} [suite] + */ + HTML.prototype.suiteURL = function (suite) { + return makeUrl('^' + escapeRe(suite.fullTitle()) + ' '); + }; + + /** + * Provide test URL. + * + * @param {Object} [test] + */ + HTML.prototype.testURL = function (test) { + return makeUrl('^' + escapeRe(test.fullTitle()) + '$'); + }; + + /** + * Adds code toggle functionality for the provided test's list element. + * + * @param {HTMLLIElement} el + * @param {string} contents + */ + HTML.prototype.addCodeToggle = function (el, contents) { + var h2 = el.getElementsByTagName('h2')[0]; + + on(h2, 'click', function () { + pre.style.display = pre.style.display === 'none' ? 'block' : 'none'; + }); + + var pre = fragment('
    %e
    ', utils.clean(contents)); + el.appendChild(pre); + pre.style.display = 'none'; + }; + + /** + * Display error `msg`. + * + * @param {string} msg + */ + function error(msg) { + document.body.appendChild(fragment('
    %s
    ', msg)); + } + + /** + * Return a DOM fragment from `html`. + * + * @param {string} html + */ + function fragment(html) { + var args = arguments; + var div = document.createElement('div'); + var i = 1; + + div.innerHTML = html.replace(/%([se])/g, function (_, type) { + switch (type) { + case 's': + return String(args[i++]); + case 'e': + return escape(args[i++]); + // no default + } + }); + + return div.firstChild; + } + + /** + * Check for suites that do not have elements + * with `classname`, and hide them. + * + * @param {text} classname + */ + function hideSuitesWithout(classname) { + var suites = document.getElementsByClassName('suite'); + for (var i = 0; i < suites.length; i++) { + var els = suites[i].getElementsByClassName(classname); + if (!els.length) { + suites[i].className += ' hidden'; + } + } + } + + /** + * Unhide .hidden suites. + */ + function unhide() { + var els = document.getElementsByClassName('suite hidden'); + while (els.length > 0) { + els[0].className = els[0].className.replace('suite hidden', 'suite'); + } + } + + /** + * Set an element's text contents. + * + * @param {HTMLElement} el + * @param {string} contents + */ + function text(el, contents) { + if (el.textContent) { + el.textContent = contents; + } else { + el.innerText = contents; + } + } + + /** + * Listen on `event` with callback `fn`. + */ + function on(el, event, fn) { + if (el.addEventListener) { + el.addEventListener(event, fn, false); + } else { + el.attachEvent('on' + event, fn); + } + } + + HTML.browserOnly = true; + }(html)); + + var list = {exports: {}}; + + (function (module, exports) { + /** + * @module List + */ + /** + * Module dependencies. + */ + + var Base = base$1.exports; + var inherits = utils$3.inherits; + var constants = runner.constants; + var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN; + var EVENT_RUN_END = constants.EVENT_RUN_END; + var EVENT_TEST_BEGIN = constants.EVENT_TEST_BEGIN; + var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL; + var EVENT_TEST_PASS = constants.EVENT_TEST_PASS; + var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING; + var color = Base.color; + var cursor = Base.cursor; + + /** + * Expose `List`. + */ + + module.exports = List; + + /** + * Constructs a new `List` reporter instance. + * + * @public + * @class + * @memberof Mocha.reporters + * @extends Mocha.reporters.Base + * @param {Runner} runner - Instance triggers reporter actions. + * @param {Object} [options] - runner options + */ + function List(runner, options) { + Base.call(this, runner, options); + + var self = this; + var n = 0; + + runner.on(EVENT_RUN_BEGIN, function () { + Base.consoleLog(); + }); + + runner.on(EVENT_TEST_BEGIN, function (test) { + process.stdout.write(color('pass', ' ' + test.fullTitle() + ': ')); + }); + + runner.on(EVENT_TEST_PENDING, function (test) { + var fmt = color('checkmark', ' -') + color('pending', ' %s'); + Base.consoleLog(fmt, test.fullTitle()); + }); + + runner.on(EVENT_TEST_PASS, function (test) { + var fmt = + color('checkmark', ' ' + Base.symbols.ok) + + color('pass', ' %s: ') + + color(test.speed, '%dms'); + cursor.CR(); + Base.consoleLog(fmt, test.fullTitle(), test.duration); + }); + + runner.on(EVENT_TEST_FAIL, function (test) { + cursor.CR(); + Base.consoleLog(color('fail', ' %d) %s'), ++n, test.fullTitle()); + }); + + runner.once(EVENT_RUN_END, self.epilogue.bind(self)); + } + + /** + * Inherit from `Base.prototype`. + */ + inherits(List, Base); + + List.description = 'like "spec" reporter but flat'; + }(list)); + + var min = {exports: {}}; + + (function (module, exports) { + /** + * @module Min + */ + /** + * Module dependencies. + */ + + var Base = base$1.exports; + var inherits = utils$3.inherits; + var constants = runner.constants; + var EVENT_RUN_END = constants.EVENT_RUN_END; + var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN; + + /** + * Expose `Min`. + */ + + module.exports = Min; + + /** + * Constructs a new `Min` reporter instance. + * + * @description + * This minimal test reporter is best used with '--watch'. + * + * @public + * @class + * @memberof Mocha.reporters + * @extends Mocha.reporters.Base + * @param {Runner} runner - Instance triggers reporter actions. + * @param {Object} [options] - runner options + */ + function Min(runner, options) { + Base.call(this, runner, options); + + runner.on(EVENT_RUN_BEGIN, function () { + // clear screen + process.stdout.write('\u001b[2J'); + // set cursor position + process.stdout.write('\u001b[1;3H'); + }); + + runner.once(EVENT_RUN_END, this.epilogue.bind(this)); + } + + /** + * Inherit from `Base.prototype`. + */ + inherits(Min, Base); + + Min.description = 'essentially just a summary'; + }(min)); + + var spec = {exports: {}}; + + (function (module, exports) { + /** + * @module Spec + */ + /** + * Module dependencies. + */ + + var Base = base$1.exports; + var constants = runner.constants; + var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN; + var EVENT_RUN_END = constants.EVENT_RUN_END; + var EVENT_SUITE_BEGIN = constants.EVENT_SUITE_BEGIN; + var EVENT_SUITE_END = constants.EVENT_SUITE_END; + var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL; + var EVENT_TEST_PASS = constants.EVENT_TEST_PASS; + var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING; + var inherits = utils$3.inherits; + var color = Base.color; + + /** + * Expose `Spec`. + */ + + module.exports = Spec; + + /** + * Constructs a new `Spec` reporter instance. + * + * @public + * @class + * @memberof Mocha.reporters + * @extends Mocha.reporters.Base + * @param {Runner} runner - Instance triggers reporter actions. + * @param {Object} [options] - runner options + */ + function Spec(runner, options) { + Base.call(this, runner, options); + + var self = this; + var indents = 0; + var n = 0; + + function indent() { + return Array(indents).join(' '); + } + + runner.on(EVENT_RUN_BEGIN, function () { + Base.consoleLog(); + }); + + runner.on(EVENT_SUITE_BEGIN, function (suite) { + ++indents; + Base.consoleLog(color('suite', '%s%s'), indent(), suite.title); + }); + + runner.on(EVENT_SUITE_END, function () { + --indents; + if (indents === 1) { + Base.consoleLog(); + } + }); + + runner.on(EVENT_TEST_PENDING, function (test) { + var fmt = indent() + color('pending', ' - %s'); + Base.consoleLog(fmt, test.title); + }); + + runner.on(EVENT_TEST_PASS, function (test) { + var fmt; + if (test.speed === 'fast') { + fmt = + indent() + + color('checkmark', ' ' + Base.symbols.ok) + + color('pass', ' %s'); + Base.consoleLog(fmt, test.title); + } else { + fmt = + indent() + + color('checkmark', ' ' + Base.symbols.ok) + + color('pass', ' %s') + + color(test.speed, ' (%dms)'); + Base.consoleLog(fmt, test.title, test.duration); + } + }); + + runner.on(EVENT_TEST_FAIL, function (test) { + Base.consoleLog(indent() + color('fail', ' %d) %s'), ++n, test.title); + }); + + runner.once(EVENT_RUN_END, self.epilogue.bind(self)); + } + + /** + * Inherit from `Base.prototype`. + */ + inherits(Spec, Base); + + Spec.description = 'hierarchical & verbose [default]'; + }(spec)); + + var nyan = {exports: {}}; + + (function (module, exports) { + /** + * @module Nyan + */ + /** + * Module dependencies. + */ + + var Base = base$1.exports; + var constants = runner.constants; + var inherits = utils$3.inherits; + var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN; + var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING; + var EVENT_TEST_PASS = constants.EVENT_TEST_PASS; + var EVENT_RUN_END = constants.EVENT_RUN_END; + var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL; + + /** + * Expose `Dot`. + */ + + module.exports = NyanCat; + + /** + * Constructs a new `Nyan` reporter instance. + * + * @public + * @class Nyan + * @memberof Mocha.reporters + * @extends Mocha.reporters.Base + * @param {Runner} runner - Instance triggers reporter actions. + * @param {Object} [options] - runner options + */ + function NyanCat(runner, options) { + Base.call(this, runner, options); + + var self = this; + var width = (Base.window.width * 0.75) | 0; + var nyanCatWidth = (this.nyanCatWidth = 11); + + this.colorIndex = 0; + this.numberOfLines = 4; + this.rainbowColors = self.generateColors(); + this.scoreboardWidth = 5; + this.tick = 0; + this.trajectories = [[], [], [], []]; + this.trajectoryWidthMax = width - nyanCatWidth; + + runner.on(EVENT_RUN_BEGIN, function () { + Base.cursor.hide(); + self.draw(); + }); + + runner.on(EVENT_TEST_PENDING, function () { + self.draw(); + }); + + runner.on(EVENT_TEST_PASS, function () { + self.draw(); + }); + + runner.on(EVENT_TEST_FAIL, function () { + self.draw(); + }); + + runner.once(EVENT_RUN_END, function () { + Base.cursor.show(); + for (var i = 0; i < self.numberOfLines; i++) { + process.stdout.write('\n'); + } + self.epilogue(); + }); + } + + /** + * Inherit from `Base.prototype`. + */ + inherits(NyanCat, Base); + + /** + * Draw the nyan cat + * + * @private + */ + + NyanCat.prototype.draw = function () { + this.appendRainbow(); + this.drawScoreboard(); + this.drawRainbow(); + this.drawNyanCat(); + this.tick = !this.tick; + }; + + /** + * Draw the "scoreboard" showing the number + * of passes, failures and pending tests. + * + * @private + */ + + NyanCat.prototype.drawScoreboard = function () { + var stats = this.stats; + + function draw(type, n) { + process.stdout.write(' '); + process.stdout.write(Base.color(type, n)); + process.stdout.write('\n'); + } + + draw('green', stats.passes); + draw('fail', stats.failures); + draw('pending', stats.pending); + process.stdout.write('\n'); + + this.cursorUp(this.numberOfLines); + }; + + /** + * Append the rainbow. + * + * @private + */ + + NyanCat.prototype.appendRainbow = function () { + var segment = this.tick ? '_' : '-'; + var rainbowified = this.rainbowify(segment); + + for (var index = 0; index < this.numberOfLines; index++) { + var trajectory = this.trajectories[index]; + if (trajectory.length >= this.trajectoryWidthMax) { + trajectory.shift(); + } + trajectory.push(rainbowified); + } + }; + + /** + * Draw the rainbow. + * + * @private + */ + + NyanCat.prototype.drawRainbow = function () { + var self = this; + + this.trajectories.forEach(function (line) { + process.stdout.write('\u001b[' + self.scoreboardWidth + 'C'); + process.stdout.write(line.join('')); + process.stdout.write('\n'); + }); + + this.cursorUp(this.numberOfLines); + }; + + /** + * Draw the nyan cat + * + * @private + */ + NyanCat.prototype.drawNyanCat = function () { + var self = this; + var startWidth = this.scoreboardWidth + this.trajectories[0].length; + var dist = '\u001b[' + startWidth + 'C'; + var padding = ''; + + process.stdout.write(dist); + process.stdout.write('_,------,'); + process.stdout.write('\n'); + + process.stdout.write(dist); + padding = self.tick ? ' ' : ' '; + process.stdout.write('_|' + padding + '/\\_/\\ '); + process.stdout.write('\n'); + + process.stdout.write(dist); + padding = self.tick ? '_' : '__'; + var tail = self.tick ? '~' : '^'; + process.stdout.write(tail + '|' + padding + this.face() + ' '); + process.stdout.write('\n'); + + process.stdout.write(dist); + padding = self.tick ? ' ' : ' '; + process.stdout.write(padding + '"" "" '); + process.stdout.write('\n'); + + this.cursorUp(this.numberOfLines); + }; + + /** + * Draw nyan cat face. + * + * @private + * @return {string} + */ + + NyanCat.prototype.face = function () { + var stats = this.stats; + if (stats.failures) { + return '( x .x)'; + } else if (stats.pending) { + return '( o .o)'; + } else if (stats.passes) { + return '( ^ .^)'; + } + return '( - .-)'; + }; + + /** + * Move cursor up `n`. + * + * @private + * @param {number} n + */ + + NyanCat.prototype.cursorUp = function (n) { + process.stdout.write('\u001b[' + n + 'A'); + }; + + /** + * Move cursor down `n`. + * + * @private + * @param {number} n + */ + + NyanCat.prototype.cursorDown = function (n) { + process.stdout.write('\u001b[' + n + 'B'); + }; + + /** + * Generate rainbow colors. + * + * @private + * @return {Array} + */ + NyanCat.prototype.generateColors = function () { + var colors = []; + + for (var i = 0; i < 6 * 7; i++) { + var pi3 = Math.floor(Math.PI / 3); + var n = i * (1.0 / 6); + var r = Math.floor(3 * Math.sin(n) + 3); + var g = Math.floor(3 * Math.sin(n + 2 * pi3) + 3); + var b = Math.floor(3 * Math.sin(n + 4 * pi3) + 3); + colors.push(36 * r + 6 * g + b + 16); + } + + return colors; + }; + + /** + * Apply rainbow to the given `str`. + * + * @private + * @param {string} str + * @return {string} + */ + NyanCat.prototype.rainbowify = function (str) { + if (!Base.useColors) { + return str; + } + var color = this.rainbowColors[this.colorIndex % this.rainbowColors.length]; + this.colorIndex += 1; + return '\u001b[38;5;' + color + 'm' + str + '\u001b[0m'; + }; + + NyanCat.description = '"nyan cat"'; + }(nyan)); + + var xunit = {exports: {}}; + + (function (module, exports) { + /** + * @module XUnit + */ + /** + * Module dependencies. + */ + + var Base = base$1.exports; + var utils = utils$3; + var fs = require$$2; + var path = require$$1; + var errors = errors$2; + var createUnsupportedError = errors.createUnsupportedError; + var constants = runner.constants; + var EVENT_TEST_PASS = constants.EVENT_TEST_PASS; + var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL; + var EVENT_RUN_END = constants.EVENT_RUN_END; + var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING; + var STATE_FAILED = runnable.constants.STATE_FAILED; + var inherits = utils.inherits; + var escape = utils.escape; + + /** + * Save timer references to avoid Sinon interfering (see GH-237). + */ + var Date = commonjsGlobal.Date; + + /** + * Expose `XUnit`. + */ + + module.exports = XUnit; + + /** + * Constructs a new `XUnit` reporter instance. + * + * @public + * @class + * @memberof Mocha.reporters + * @extends Mocha.reporters.Base + * @param {Runner} runner - Instance triggers reporter actions. + * @param {Object} [options] - runner options + */ + function XUnit(runner, options) { + Base.call(this, runner, options); + + var stats = this.stats; + var tests = []; + var self = this; + + // the name of the test suite, as it will appear in the resulting XML file + var suiteName; + + // the default name of the test suite if none is provided + var DEFAULT_SUITE_NAME = 'Mocha Tests'; + + if (options && options.reporterOptions) { + if (options.reporterOptions.output) { + if (!fs.createWriteStream) { + throw createUnsupportedError('file output not supported in browser'); + } + + fs.mkdirSync(path.dirname(options.reporterOptions.output), { + recursive: true + }); + self.fileStream = fs.createWriteStream(options.reporterOptions.output); + } + + // get the suite name from the reporter options (if provided) + suiteName = options.reporterOptions.suiteName; + } + + // fall back to the default suite name + suiteName = suiteName || DEFAULT_SUITE_NAME; + + runner.on(EVENT_TEST_PENDING, function (test) { + tests.push(test); + }); + + runner.on(EVENT_TEST_PASS, function (test) { + tests.push(test); + }); + + runner.on(EVENT_TEST_FAIL, function (test) { + tests.push(test); + }); + + runner.once(EVENT_RUN_END, function () { + self.write( + tag( + 'testsuite', + { + name: suiteName, + tests: stats.tests, + failures: 0, + errors: stats.failures, + skipped: stats.tests - stats.failures - stats.passes, + timestamp: new Date().toUTCString(), + time: stats.duration / 1000 || 0 + }, + false + ) + ); + + tests.forEach(function (t) { + self.test(t); + }); + + self.write(''); + }); + } + + /** + * Inherit from `Base.prototype`. + */ + inherits(XUnit, Base); + + /** + * Override done to close the stream (if it's a file). + * + * @param failures + * @param {Function} fn + */ + XUnit.prototype.done = function (failures, fn) { + if (this.fileStream) { + this.fileStream.end(function () { + fn(failures); + }); + } else { + fn(failures); + } + }; + + /** + * Write out the given line. + * + * @param {string} line + */ + XUnit.prototype.write = function (line) { + if (this.fileStream) { + this.fileStream.write(line + '\n'); + } else if (typeof process === 'object' && process.stdout) { + process.stdout.write(line + '\n'); + } else { + Base.consoleLog(line); + } + }; + + /** + * Output tag for the given `test.` + * + * @param {Test} test + */ + XUnit.prototype.test = function (test) { + Base.useColors = false; + + var attrs = { + classname: test.parent.fullTitle(), + name: test.title, + file: test.file, + time: test.duration / 1000 || 0 + }; + + if (test.state === STATE_FAILED) { + var err = test.err; + var diff = + !Base.hideDiff && Base.showDiff(err) + ? '\n' + Base.generateDiff(err.actual, err.expected) + : ''; + this.write( + tag( + 'testcase', + attrs, + false, + tag( + 'failure', + {}, + false, + escape(err.message) + escape(diff) + '\n' + escape(err.stack) + ) + ) + ); + } else if (test.isPending()) { + this.write(tag('testcase', attrs, false, tag('skipped', {}, true))); + } else { + this.write(tag('testcase', attrs, true)); + } + }; + + /** + * HTML tag helper. + * + * @param name + * @param attrs + * @param close + * @param content + * @return {string} + */ + function tag(name, attrs, close, content) { + var end = close ? '/>' : '>'; + var pairs = []; + var tag; + + for (var key in attrs) { + if (Object.prototype.hasOwnProperty.call(attrs, key)) { + pairs.push(key + '="' + escape(attrs[key]) + '"'); + } + } + + tag = '<' + name + (pairs.length ? ' ' + pairs.join(' ') : '') + end; + if (content) { + tag += content + '' + '\n'; + buf += title(suite.title) + '\n'; + }); + + runner.on(EVENT_SUITE_END, function () { + --level; + }); + + runner.on(EVENT_TEST_PASS, function (test) { + var code = utils.clean(test.body); + buf += test.title + '.\n'; + buf += '\n```js\n'; + buf += code + '\n'; + buf += '```\n\n'; + }); + + runner.once(EVENT_RUN_END, function () { + process.stdout.write('# TOC\n'); + process.stdout.write(generateTOC(runner.suite)); + process.stdout.write(buf); + }); + } + + Markdown.description = 'GitHub Flavored Markdown'; + }(markdown)); + + var progress = {exports: {}}; + + (function (module, exports) { + /** + * @module Progress + */ + /** + * Module dependencies. + */ + + var Base = base$1.exports; + var constants = runner.constants; + var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN; + var EVENT_TEST_END = constants.EVENT_TEST_END; + var EVENT_RUN_END = constants.EVENT_RUN_END; + var inherits = utils$3.inherits; + var color = Base.color; + var cursor = Base.cursor; + + /** + * Expose `Progress`. + */ + + module.exports = Progress; + + /** + * General progress bar color. + */ + + Base.colors.progress = 90; + + /** + * Constructs a new `Progress` reporter instance. + * + * @public + * @class + * @memberof Mocha.reporters + * @extends Mocha.reporters.Base + * @param {Runner} runner - Instance triggers reporter actions. + * @param {Object} [options] - runner options + */ + function Progress(runner, options) { + Base.call(this, runner, options); + + var self = this; + var width = (Base.window.width * 0.5) | 0; + var total = runner.total; + var complete = 0; + var lastN = -1; + + // default chars + options = options || {}; + var reporterOptions = options.reporterOptions || {}; + + options.open = reporterOptions.open || '['; + options.complete = reporterOptions.complete || '▬'; + options.incomplete = reporterOptions.incomplete || Base.symbols.dot; + options.close = reporterOptions.close || ']'; + options.verbose = reporterOptions.verbose || false; + + // tests started + runner.on(EVENT_RUN_BEGIN, function () { + process.stdout.write('\n'); + cursor.hide(); + }); + + // tests complete + runner.on(EVENT_TEST_END, function () { + complete++; + + var percent = complete / total; + var n = (width * percent) | 0; + var i = width - n; + + if (n === lastN && !options.verbose) { + // Don't re-render the line if it hasn't changed + return; + } + lastN = n; + + cursor.CR(); + process.stdout.write('\u001b[J'); + process.stdout.write(color('progress', ' ' + options.open)); + process.stdout.write(Array(n).join(options.complete)); + process.stdout.write(Array(i).join(options.incomplete)); + process.stdout.write(color('progress', options.close)); + if (options.verbose) { + process.stdout.write(color('progress', ' ' + complete + ' of ' + total)); + } + }); + + // tests are complete, output some stats + // and the failures if any + runner.once(EVENT_RUN_END, function () { + cursor.show(); + process.stdout.write('\n'); + self.epilogue(); + }); + } + + /** + * Inherit from `Base.prototype`. + */ + inherits(Progress, Base); + + Progress.description = 'a progress bar'; + }(progress)); + + var landing = {exports: {}}; + + (function (module, exports) { + /** + * @module Landing + */ + /** + * Module dependencies. + */ + + var Base = base$1.exports; + var inherits = utils$3.inherits; + var constants = runner.constants; + var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN; + var EVENT_RUN_END = constants.EVENT_RUN_END; + var EVENT_TEST_END = constants.EVENT_TEST_END; + var STATE_FAILED = runnable.constants.STATE_FAILED; + + var cursor = Base.cursor; + var color = Base.color; + + /** + * Expose `Landing`. + */ + + module.exports = Landing; + + /** + * Airplane color. + */ + + Base.colors.plane = 0; + + /** + * Airplane crash color. + */ + + Base.colors['plane crash'] = 31; + + /** + * Runway color. + */ + + Base.colors.runway = 90; + + /** + * Constructs a new `Landing` reporter instance. + * + * @public + * @class + * @memberof Mocha.reporters + * @extends Mocha.reporters.Base + * @param {Runner} runner - Instance triggers reporter actions. + * @param {Object} [options] - runner options + */ + function Landing(runner, options) { + Base.call(this, runner, options); + + var self = this; + var width = (Base.window.width * 0.75) | 0; + var stream = process.stdout; + + var plane = color('plane', '✈'); + var crashed = -1; + var n = 0; + var total = 0; + + function runway() { + var buf = Array(width).join('-'); + return ' ' + color('runway', buf); + } + + runner.on(EVENT_RUN_BEGIN, function () { + stream.write('\n\n\n '); + cursor.hide(); + }); + + runner.on(EVENT_TEST_END, function (test) { + // check if the plane crashed + var col = crashed === -1 ? ((width * ++n) / ++total) | 0 : crashed; + // show the crash + if (test.state === STATE_FAILED) { + plane = color('plane crash', '✈'); + crashed = col; + } + + // render landing strip + stream.write('\u001b[' + (width + 1) + 'D\u001b[2A'); + stream.write(runway()); + stream.write('\n '); + stream.write(color('runway', Array(col).join('⋅'))); + stream.write(plane); + stream.write(color('runway', Array(width - col).join('⋅') + '\n')); + stream.write(runway()); + stream.write('\u001b[0m'); + }); + + runner.once(EVENT_RUN_END, function () { + cursor.show(); + process.stdout.write('\n'); + self.epilogue(); + }); + + // if cursor is hidden when we ctrl-C, then it will remain hidden unless... + process.once('SIGINT', function () { + cursor.show(); + nextTick$1(function () { + process.kill(process.pid, 'SIGINT'); + }); + }); + } + + /** + * Inherit from `Base.prototype`. + */ + inherits(Landing, Base); + + Landing.description = 'Unicode landing strip'; + }(landing)); + + var jsonStream = {exports: {}}; + + (function (module, exports) { + /** + * @module JSONStream + */ + /** + * Module dependencies. + */ + + var Base = base$1.exports; + var constants = runner.constants; + var EVENT_TEST_PASS = constants.EVENT_TEST_PASS; + var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL; + var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN; + var EVENT_RUN_END = constants.EVENT_RUN_END; + + /** + * Expose `JSONStream`. + */ + + module.exports = JSONStream; + + /** + * Constructs a new `JSONStream` reporter instance. + * + * @public + * @class + * @memberof Mocha.reporters + * @extends Mocha.reporters.Base + * @param {Runner} runner - Instance triggers reporter actions. + * @param {Object} [options] - runner options + */ + function JSONStream(runner, options) { + Base.call(this, runner, options); + + var self = this; + var total = runner.total; + + runner.once(EVENT_RUN_BEGIN, function () { + writeEvent(['start', {total}]); + }); + + runner.on(EVENT_TEST_PASS, function (test) { + writeEvent(['pass', clean(test)]); + }); + + runner.on(EVENT_TEST_FAIL, function (test, err) { + test = clean(test); + test.err = err.message; + test.stack = err.stack || null; + writeEvent(['fail', test]); + }); + + runner.once(EVENT_RUN_END, function () { + writeEvent(['end', self.stats]); + }); + } + + /** + * Mocha event to be written to the output stream. + * @typedef {Array} JSONStream~MochaEvent + */ + + /** + * Writes Mocha event to reporter output stream. + * + * @private + * @param {JSONStream~MochaEvent} event - Mocha event to be output. + */ + function writeEvent(event) { + process.stdout.write(JSON.stringify(event) + '\n'); + } + + /** + * Returns an object literal representation of `test` + * free of cyclic properties, etc. + * + * @private + * @param {Test} test - Instance used as data source. + * @return {Object} object containing pared-down test instance data + */ + function clean(test) { + return { + title: test.title, + fullTitle: test.fullTitle(), + file: test.file, + duration: test.duration, + currentRetry: test.currentRetry(), + speed: test.speed + }; + } + + JSONStream.description = 'newline delimited JSON events'; + }(jsonStream)); + + (function (exports) { + + // Alias exports to a their normalized format Mocha#reporter to prevent a need + // for dynamic (try/catch) requires, which Browserify doesn't handle. + exports.Base = exports.base = base$1.exports; + exports.Dot = exports.dot = dot.exports; + exports.Doc = exports.doc = doc.exports; + exports.TAP = exports.tap = tap.exports; + exports.JSON = exports.json = json.exports; + exports.HTML = exports.html = html.exports; + exports.List = exports.list = list.exports; + exports.Min = exports.min = min.exports; + exports.Spec = exports.spec = spec.exports; + exports.Nyan = exports.nyan = nyan.exports; + exports.XUnit = exports.xunit = xunit.exports; + exports.Markdown = exports.markdown = markdown.exports; + exports.Progress = exports.progress = progress.exports; + exports.Landing = exports.landing = landing.exports; + exports.JSONStream = exports['json-stream'] = jsonStream.exports; + }(reporters)); + + var diff = true; + var extension = [ + "js", + "cjs", + "mjs" + ]; + var reporter = "spec"; + var slow = 75; + var timeout = 2000; + var ui = "bdd"; + var require$$4 = { + diff: diff, + extension: extension, + "package": "./package.json", + reporter: reporter, + slow: slow, + timeout: timeout, + ui: ui, + "watch-ignore": [ + "node_modules", + ".git" + ] + }; + + /** + * Provides a factory function for a {@link StatsCollector} object. + * @module + */ + + var constants = runner.constants; + var EVENT_TEST_PASS = constants.EVENT_TEST_PASS; + var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL; + var EVENT_SUITE_BEGIN = constants.EVENT_SUITE_BEGIN; + var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN; + var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING; + var EVENT_RUN_END = constants.EVENT_RUN_END; + var EVENT_TEST_END = constants.EVENT_TEST_END; + + /** + * Test statistics collector. + * + * @public + * @typedef {Object} StatsCollector + * @property {number} suites - integer count of suites run. + * @property {number} tests - integer count of tests run. + * @property {number} passes - integer count of passing tests. + * @property {number} pending - integer count of pending tests. + * @property {number} failures - integer count of failed tests. + * @property {Date} start - time when testing began. + * @property {Date} end - time when testing concluded. + * @property {number} duration - number of msecs that testing took. + */ + + var Date$2 = commonjsGlobal.Date; + + /** + * Provides stats such as test duration, number of tests passed / failed etc., by listening for events emitted by `runner`. + * + * @private + * @param {Runner} runner - Runner instance + * @throws {TypeError} If falsy `runner` + */ + function createStatsCollector(runner) { + /** + * @type StatsCollector + */ + var stats = { + suites: 0, + tests: 0, + passes: 0, + pending: 0, + failures: 0 + }; + + if (!runner) { + throw new TypeError('Missing runner argument'); + } + + runner.stats = stats; + + runner.once(EVENT_RUN_BEGIN, function () { + stats.start = new Date$2(); + }); + runner.on(EVENT_SUITE_BEGIN, function (suite) { + suite.root || stats.suites++; + }); + runner.on(EVENT_TEST_PASS, function () { + stats.passes++; + }); + runner.on(EVENT_TEST_FAIL, function () { + stats.failures++; + }); + runner.on(EVENT_TEST_PENDING, function () { + stats.pending++; + }); + runner.on(EVENT_TEST_END, function () { + stats.tests++; + }); + runner.once(EVENT_RUN_END, function () { + stats.end = new Date$2(); + stats.duration = stats.end - stats.start; + }); + } + + var statsCollector = createStatsCollector; + + var interfaces = {}; + + var bdd = {exports: {}}; + + var Runnable = runnable; + var utils = utils$3; + var errors$1 = errors$2; + var createInvalidArgumentTypeError = errors$1.createInvalidArgumentTypeError; + var isString = utils.isString; + + const {MOCHA_ID_PROP_NAME} = utils.constants; + + var test = Test$4; + + /** + * Initialize a new `Test` with the given `title` and callback `fn`. + * + * @public + * @class + * @extends Runnable + * @param {String} title - Test title (required) + * @param {Function} [fn] - Test callback. If omitted, the Test is considered "pending" + */ + function Test$4(title, fn) { + if (!isString(title)) { + throw createInvalidArgumentTypeError( + 'Test argument "title" should be a string. Received type "' + + typeof title + + '"', + 'title', + 'string' + ); + } + this.type = 'test'; + Runnable.call(this, title, fn); + this.reset(); + } + + /** + * Inherit from `Runnable.prototype`. + */ + utils.inherits(Test$4, Runnable); + + /** + * Resets the state initially or for a next run. + */ + Test$4.prototype.reset = function () { + Runnable.prototype.reset.call(this); + this.pending = !this.fn; + delete this.state; + }; + + /** + * Set or get retried test + * + * @private + */ + Test$4.prototype.retriedTest = function (n) { + if (!arguments.length) { + return this._retriedTest; + } + this._retriedTest = n; + }; + + /** + * Add test to the list of tests marked `only`. + * + * @private + */ + Test$4.prototype.markOnly = function () { + this.parent.appendOnlyTest(this); + }; + + Test$4.prototype.clone = function () { + var test = new Test$4(this.title, this.fn); + test.timeout(this.timeout()); + test.slow(this.slow()); + test.retries(this.retries()); + test.currentRetry(this.currentRetry()); + test.retriedTest(this.retriedTest() || this); + test.globals(this.globals()); + test.parent = this.parent; + test.file = this.file; + test.ctx = this.ctx; + return test; + }; + + /** + * Returns an minimal object suitable for transmission over IPC. + * Functions are represented by keys beginning with `$$`. + * @private + * @returns {Object} + */ + Test$4.prototype.serialize = function serialize() { + return { + $$currentRetry: this._currentRetry, + $$fullTitle: this.fullTitle(), + $$isPending: Boolean(this.pending), + $$retriedTest: this._retriedTest || null, + $$slow: this._slow, + $$titlePath: this.titlePath(), + body: this.body, + duration: this.duration, + err: this.err, + parent: { + $$fullTitle: this.parent.fullTitle(), + [MOCHA_ID_PROP_NAME]: this.parent.id + }, + speed: this.speed, + state: this.state, + title: this.title, + type: this.type, + file: this.file, + [MOCHA_ID_PROP_NAME]: this.id + }; + }; + + /** + @module interfaces/common + */ + + var Suite$1 = suite.exports; + var errors = errors$2; + var createMissingArgumentError = errors.createMissingArgumentError; + var createUnsupportedError = errors.createUnsupportedError; + var createForbiddenExclusivityError = errors.createForbiddenExclusivityError; + + /** + * Functions common to more than one interface. + * + * @private + * @param {Suite[]} suites + * @param {Context} context + * @param {Mocha} mocha + * @return {Object} An object containing common functions. + */ + var common = function (suites, context, mocha) { + /** + * Check if the suite should be tested. + * + * @private + * @param {Suite} suite - suite to check + * @returns {boolean} + */ + function shouldBeTested(suite) { + return ( + !mocha.options.grep || + (mocha.options.grep && + mocha.options.grep.test(suite.fullTitle()) && + !mocha.options.invert) + ); + } + + return { + /** + * This is only present if flag --delay is passed into Mocha. It triggers + * root suite execution. + * + * @param {Suite} suite The root suite. + * @return {Function} A function which runs the root suite + */ + runWithSuite: function runWithSuite(suite) { + return function run() { + suite.run(); + }; + }, + + /** + * Execute before running tests. + * + * @param {string} name + * @param {Function} fn + */ + before: function (name, fn) { + suites[0].beforeAll(name, fn); + }, + + /** + * Execute after running tests. + * + * @param {string} name + * @param {Function} fn + */ + after: function (name, fn) { + suites[0].afterAll(name, fn); + }, + + /** + * Execute before each test case. + * + * @param {string} name + * @param {Function} fn + */ + beforeEach: function (name, fn) { + suites[0].beforeEach(name, fn); + }, + + /** + * Execute after each test case. + * + * @param {string} name + * @param {Function} fn + */ + afterEach: function (name, fn) { + suites[0].afterEach(name, fn); + }, + + suite: { + /** + * Create an exclusive Suite; convenience function + * See docstring for create() below. + * + * @param {Object} opts + * @returns {Suite} + */ + only: function only(opts) { + if (mocha.options.forbidOnly) { + throw createForbiddenExclusivityError(mocha); + } + opts.isOnly = true; + return this.create(opts); + }, + + /** + * Create a Suite, but skip it; convenience function + * See docstring for create() below. + * + * @param {Object} opts + * @returns {Suite} + */ + skip: function skip(opts) { + opts.pending = true; + return this.create(opts); + }, + + /** + * Creates a suite. + * + * @param {Object} opts Options + * @param {string} opts.title Title of Suite + * @param {Function} [opts.fn] Suite Function (not always applicable) + * @param {boolean} [opts.pending] Is Suite pending? + * @param {string} [opts.file] Filepath where this Suite resides + * @param {boolean} [opts.isOnly] Is Suite exclusive? + * @returns {Suite} + */ + create: function create(opts) { + var suite = Suite$1.create(suites[0], opts.title); + suite.pending = Boolean(opts.pending); + suite.file = opts.file; + suites.unshift(suite); + if (opts.isOnly) { + suite.markOnly(); + } + if ( + suite.pending && + mocha.options.forbidPending && + shouldBeTested(suite) + ) { + throw createUnsupportedError('Pending test forbidden'); + } + if (typeof opts.fn === 'function') { + opts.fn.call(suite); + suites.shift(); + } else if (typeof opts.fn === 'undefined' && !suite.pending) { + throw createMissingArgumentError( + 'Suite "' + + suite.fullTitle() + + '" was defined but no callback was supplied. ' + + 'Supply a callback or explicitly skip the suite.', + 'callback', + 'function' + ); + } else if (!opts.fn && suite.pending) { + suites.shift(); + } + + return suite; + } + }, + + test: { + /** + * Exclusive test-case. + * + * @param {Object} mocha + * @param {Function} test + * @returns {*} + */ + only: function (mocha, test) { + if (mocha.options.forbidOnly) { + throw createForbiddenExclusivityError(mocha); + } + test.markOnly(); + return test; + }, + + /** + * Pending test case. + * + * @param {string} title + */ + skip: function (title) { + context.test(title); + } + } + }; + }; + + var Test$3 = test; + var EVENT_FILE_PRE_REQUIRE$2 = + suite.exports.constants.EVENT_FILE_PRE_REQUIRE; + + /** + * BDD-style interface: + * + * describe('Array', function() { + * describe('#indexOf()', function() { + * it('should return -1 when not present', function() { + * // ... + * }); + * + * it('should return the index when present', function() { + * // ... + * }); + * }); + * }); + * + * @param {Suite} suite Root suite. + */ + bdd.exports = function bddInterface(suite) { + var suites = [suite]; + + suite.on(EVENT_FILE_PRE_REQUIRE$2, function (context, file, mocha) { + var common$1 = common(suites, context, mocha); + + context.before = common$1.before; + context.after = common$1.after; + context.beforeEach = common$1.beforeEach; + context.afterEach = common$1.afterEach; + context.run = mocha.options.delay && common$1.runWithSuite(suite); + /** + * Describe a "suite" with the given `title` + * and callback `fn` containing nested suites + * and/or tests. + */ + + context.describe = context.context = function (title, fn) { + return common$1.suite.create({ + title, + file, + fn + }); + }; + + /** + * Pending describe. + */ + + context.xdescribe = + context.xcontext = + context.describe.skip = + function (title, fn) { + return common$1.suite.skip({ + title, + file, + fn + }); + }; + + /** + * Exclusive suite. + */ + + context.describe.only = function (title, fn) { + return common$1.suite.only({ + title, + file, + fn + }); + }; + + /** + * Describe a specification or test-case + * with the given `title` and callback `fn` + * acting as a thunk. + */ + + context.it = context.specify = function (title, fn) { + var suite = suites[0]; + if (suite.isPending()) { + fn = null; + } + var test = new Test$3(title, fn); + test.file = file; + suite.addTest(test); + return test; + }; + + /** + * Exclusive test-case. + */ + + context.it.only = function (title, fn) { + return common$1.test.only(mocha, context.it(title, fn)); + }; + + /** + * Pending test case. + */ + + context.xit = + context.xspecify = + context.it.skip = + function (title) { + return context.it(title); + }; + }); + }; + + bdd.exports.description = 'BDD or RSpec style [default]'; + + var tdd = {exports: {}}; + + var Test$2 = test; + var EVENT_FILE_PRE_REQUIRE$1 = + suite.exports.constants.EVENT_FILE_PRE_REQUIRE; + + /** + * TDD-style interface: + * + * suite('Array', function() { + * suite('#indexOf()', function() { + * suiteSetup(function() { + * + * }); + * + * test('should return -1 when not present', function() { + * + * }); + * + * test('should return the index when present', function() { + * + * }); + * + * suiteTeardown(function() { + * + * }); + * }); + * }); + * + * @param {Suite} suite Root suite. + */ + tdd.exports = function (suite) { + var suites = [suite]; + + suite.on(EVENT_FILE_PRE_REQUIRE$1, function (context, file, mocha) { + var common$1 = common(suites, context, mocha); + + context.setup = common$1.beforeEach; + context.teardown = common$1.afterEach; + context.suiteSetup = common$1.before; + context.suiteTeardown = common$1.after; + context.run = mocha.options.delay && common$1.runWithSuite(suite); + + /** + * Describe a "suite" with the given `title` and callback `fn` containing + * nested suites and/or tests. + */ + context.suite = function (title, fn) { + return common$1.suite.create({ + title, + file, + fn + }); + }; + + /** + * Pending suite. + */ + context.suite.skip = function (title, fn) { + return common$1.suite.skip({ + title, + file, + fn + }); + }; + + /** + * Exclusive test-case. + */ + context.suite.only = function (title, fn) { + return common$1.suite.only({ + title, + file, + fn + }); + }; + + /** + * Describe a specification or test-case with the given `title` and + * callback `fn` acting as a thunk. + */ + context.test = function (title, fn) { + var suite = suites[0]; + if (suite.isPending()) { + fn = null; + } + var test = new Test$2(title, fn); + test.file = file; + suite.addTest(test); + return test; + }; + + /** + * Exclusive test-case. + */ + + context.test.only = function (title, fn) { + return common$1.test.only(mocha, context.test(title, fn)); + }; + + context.test.skip = common$1.test.skip; + }); + }; + + tdd.exports.description = + 'traditional "suite"/"test" instead of BDD\'s "describe"/"it"'; + + var qunit = {exports: {}}; + + var Test$1 = test; + var EVENT_FILE_PRE_REQUIRE = + suite.exports.constants.EVENT_FILE_PRE_REQUIRE; + + /** + * QUnit-style interface: + * + * suite('Array'); + * + * test('#length', function() { + * var arr = [1,2,3]; + * ok(arr.length == 3); + * }); + * + * test('#indexOf()', function() { + * var arr = [1,2,3]; + * ok(arr.indexOf(1) == 0); + * ok(arr.indexOf(2) == 1); + * ok(arr.indexOf(3) == 2); + * }); + * + * suite('String'); + * + * test('#length', function() { + * ok('foo'.length == 3); + * }); + * + * @param {Suite} suite Root suite. + */ + qunit.exports = function qUnitInterface(suite) { + var suites = [suite]; + + suite.on(EVENT_FILE_PRE_REQUIRE, function (context, file, mocha) { + var common$1 = common(suites, context, mocha); + + context.before = common$1.before; + context.after = common$1.after; + context.beforeEach = common$1.beforeEach; + context.afterEach = common$1.afterEach; + context.run = mocha.options.delay && common$1.runWithSuite(suite); + /** + * Describe a "suite" with the given `title`. + */ + + context.suite = function (title) { + if (suites.length > 1) { + suites.shift(); + } + return common$1.suite.create({ + title, + file, + fn: false + }); + }; + + /** + * Exclusive Suite. + */ + + context.suite.only = function (title) { + if (suites.length > 1) { + suites.shift(); + } + return common$1.suite.only({ + title, + file, + fn: false + }); + }; + + /** + * Describe a specification or test-case + * with the given `title` and callback `fn` + * acting as a thunk. + */ + + context.test = function (title, fn) { + var test = new Test$1(title, fn); + test.file = file; + suites[0].addTest(test); + return test; + }; + + /** + * Exclusive test-case. + */ + + context.test.only = function (title, fn) { + return common$1.test.only(mocha, context.test(title, fn)); + }; + + context.test.skip = common$1.test.skip; + }); + }; + + qunit.exports.description = 'QUnit style'; + + var exports$1 = {exports: {}}; + + var Suite = suite.exports; + var Test = test; + + /** + * Exports-style (as Node.js module) interface: + * + * exports.Array = { + * '#indexOf()': { + * 'should return -1 when the value is not present': function() { + * + * }, + * + * 'should return the correct index when the value is present': function() { + * + * } + * } + * }; + * + * @param {Suite} suite Root suite. + */ + exports$1.exports = function (suite) { + var suites = [suite]; + + suite.on(Suite.constants.EVENT_FILE_REQUIRE, visit); + + function visit(obj, file) { + var suite; + for (var key in obj) { + if (typeof obj[key] === 'function') { + var fn = obj[key]; + switch (key) { + case 'before': + suites[0].beforeAll(fn); + break; + case 'after': + suites[0].afterAll(fn); + break; + case 'beforeEach': + suites[0].beforeEach(fn); + break; + case 'afterEach': + suites[0].afterEach(fn); + break; + default: + var test = new Test(key, fn); + test.file = file; + suites[0].addTest(test); + } + } else { + suite = Suite.create(suites[0], key); + suites.unshift(suite); + visit(obj[key], file); + suites.shift(); + } + } + } + }; + + exports$1.exports.description = 'Node.js module ("exports") style'; + + interfaces.bdd = bdd.exports; + interfaces.tdd = tdd.exports; + interfaces.qunit = qunit.exports; + interfaces.exports = exports$1.exports; + + /** + * @module Context + */ + /** + * Expose `Context`. + */ + + var context = Context; + + /** + * Initialize a new `Context`. + * + * @private + */ + function Context() {} + + /** + * Set or get the context `Runnable` to `runnable`. + * + * @private + * @param {Runnable} runnable + * @return {Context} context + */ + Context.prototype.runnable = function (runnable) { + if (!arguments.length) { + return this._runnable; + } + this.test = this._runnable = runnable; + return this; + }; + + /** + * Set or get test timeout `ms`. + * + * @private + * @param {number} ms + * @return {Context} self + */ + Context.prototype.timeout = function (ms) { + if (!arguments.length) { + return this.runnable().timeout(); + } + this.runnable().timeout(ms); + return this; + }; + + /** + * Set or get test slowness threshold `ms`. + * + * @private + * @param {number} ms + * @return {Context} self + */ + Context.prototype.slow = function (ms) { + if (!arguments.length) { + return this.runnable().slow(); + } + this.runnable().slow(ms); + return this; + }; + + /** + * Mark a test as skipped. + * + * @private + * @throws Pending + */ + Context.prototype.skip = function () { + this.runnable().skip(); + }; + + /** + * Set or get a number of allowed retries on failed tests + * + * @private + * @param {number} n + * @return {Context} self + */ + Context.prototype.retries = function (n) { + if (!arguments.length) { + return this.runnable().retries(); + } + this.runnable().retries(n); + return this; + }; + + var name = "mocha"; + var version = "10.8.2"; + var homepage = "https://mochajs.org/"; + var notifyLogo = "https://ibin.co/4QuRuGjXvl36.png"; + var require$$17 = { + name: name, + version: version, + homepage: homepage, + notifyLogo: notifyLogo + }; + + (function (module, exports) { + + /*! + * mocha + * Copyright(c) 2011 TJ Holowaychuk + * MIT Licensed + */ + + var escapeRe = escapeStringRegexp; + var path = require$$1; + var builtinReporters = reporters; + var utils = utils$3; + var mocharc = require$$4; + var Suite = suite.exports; + var esmUtils = require$$18; + var createStatsCollector = statsCollector; + const { + createInvalidReporterError, + createInvalidInterfaceError, + createMochaInstanceAlreadyDisposedError, + createMochaInstanceAlreadyRunningError, + createUnsupportedError + } = errors$2; + const {EVENT_FILE_PRE_REQUIRE, EVENT_FILE_POST_REQUIRE, EVENT_FILE_REQUIRE} = + Suite.constants; + var debug = browser.exports('mocha:mocha'); + + exports = module.exports = Mocha; + + /** + * A Mocha instance is a finite state machine. + * These are the states it can be in. + * @private + */ + var mochaStates = utils.defineConstants({ + /** + * Initial state of the mocha instance + * @private + */ + INIT: 'init', + /** + * Mocha instance is running tests + * @private + */ + RUNNING: 'running', + /** + * Mocha instance is done running tests and references to test functions and hooks are cleaned. + * You can reset this state by unloading the test files. + * @private + */ + REFERENCES_CLEANED: 'referencesCleaned', + /** + * Mocha instance is disposed and can no longer be used. + * @private + */ + DISPOSED: 'disposed' + }); + + /** + * To require local UIs and reporters when running in node. + */ + + if (!utils.isBrowser() && typeof module.paths !== 'undefined') { + var cwd = utils.cwd(); + module.paths.push(cwd, path.join(cwd, 'node_modules')); + } + + /** + * Expose internals. + * @private + */ + + exports.utils = utils; + exports.interfaces = interfaces; + /** + * @public + * @memberof Mocha + */ + exports.reporters = builtinReporters; + exports.Runnable = runnable; + exports.Context = context; + /** + * + * @memberof Mocha + */ + exports.Runner = runner; + exports.Suite = Suite; + exports.Hook = hook; + exports.Test = test; + + let currentContext; + exports.afterEach = function (...args) { + return (currentContext.afterEach || currentContext.teardown).apply( + this, + args + ); + }; + exports.after = function (...args) { + return (currentContext.after || currentContext.suiteTeardown).apply( + this, + args + ); + }; + exports.beforeEach = function (...args) { + return (currentContext.beforeEach || currentContext.setup).apply(this, args); + }; + exports.before = function (...args) { + return (currentContext.before || currentContext.suiteSetup).apply(this, args); + }; + exports.describe = function (...args) { + return (currentContext.describe || currentContext.suite).apply(this, args); + }; + exports.describe.only = function (...args) { + return (currentContext.describe || currentContext.suite).only.apply( + this, + args + ); + }; + exports.describe.skip = function (...args) { + return (currentContext.describe || currentContext.suite).skip.apply( + this, + args + ); + }; + exports.it = function (...args) { + return (currentContext.it || currentContext.test).apply(this, args); + }; + exports.it.only = function (...args) { + return (currentContext.it || currentContext.test).only.apply(this, args); + }; + exports.it.skip = function (...args) { + return (currentContext.it || currentContext.test).skip.apply(this, args); + }; + exports.xdescribe = exports.describe.skip; + exports.xit = exports.it.skip; + exports.setup = exports.beforeEach; + exports.suiteSetup = exports.before; + exports.suiteTeardown = exports.after; + exports.suite = exports.describe; + exports.teardown = exports.afterEach; + exports.test = exports.it; + exports.run = function (...args) { + return currentContext.run.apply(this, args); + }; + + /** + * Constructs a new Mocha instance with `options`. + * + * @public + * @class Mocha + * @param {Object} [options] - Settings object. + * @param {boolean} [options.allowUncaught] - Propagate uncaught errors? + * @param {boolean} [options.asyncOnly] - Force `done` callback or promise? + * @param {boolean} [options.bail] - Bail after first test failure? + * @param {boolean} [options.checkLeaks] - Check for global variable leaks? + * @param {boolean} [options.color] - Color TTY output from reporter? + * @param {boolean} [options.delay] - Delay root suite execution? + * @param {boolean} [options.diff] - Show diff on failure? + * @param {boolean} [options.dryRun] - Report tests without running them? + * @param {boolean} [options.passOnFailingTestSuite] - Fail test run if tests were failed? + * @param {boolean} [options.failZero] - Fail test run if zero tests? + * @param {string} [options.fgrep] - Test filter given string. + * @param {boolean} [options.forbidOnly] - Tests marked `only` fail the suite? + * @param {boolean} [options.forbidPending] - Pending tests fail the suite? + * @param {boolean} [options.fullTrace] - Full stacktrace upon failure? + * @param {string[]} [options.global] - Variables expected in global scope. + * @param {RegExp|string} [options.grep] - Test filter given regular expression. + * @param {boolean} [options.inlineDiffs] - Display inline diffs? + * @param {boolean} [options.invert] - Invert test filter matches? + * @param {boolean} [options.noHighlighting] - Disable syntax highlighting? + * @param {string|constructor} [options.reporter] - Reporter name or constructor. + * @param {Object} [options.reporterOption] - Reporter settings object. + * @param {number} [options.retries] - Number of times to retry failed tests. + * @param {number} [options.slow] - Slow threshold value. + * @param {number|string} [options.timeout] - Timeout threshold value. + * @param {string} [options.ui] - Interface name. + * @param {boolean} [options.parallel] - Run jobs in parallel. + * @param {number} [options.jobs] - Max number of worker processes for parallel runs. + * @param {MochaRootHookObject} [options.rootHooks] - Hooks to bootstrap the root suite with. + * @param {string[]} [options.require] - Pathname of `rootHooks` plugin for parallel runs. + * @param {boolean} [options.isWorker] - Should be `true` if `Mocha` process is running in a worker process. + */ + function Mocha(options = {}) { + options = {...mocharc, ...options}; + this.files = []; + this.options = options; + // root suite + this.suite = new exports.Suite('', new exports.Context(), true); + this._cleanReferencesAfterRun = true; + this._state = mochaStates.INIT; + + this.grep(options.grep) + .fgrep(options.fgrep) + .ui(options.ui) + .reporter( + options.reporter, + options.reporterOption || options.reporterOptions // for backwards compatibility + ) + .slow(options.slow) + .global(options.global); + + // this guard exists because Suite#timeout does not consider `undefined` to be valid input + if (typeof options.timeout !== 'undefined') { + this.timeout(options.timeout === false ? 0 : options.timeout); + } + + if ('retries' in options) { + this.retries(options.retries); + } + + [ + 'allowUncaught', + 'asyncOnly', + 'bail', + 'checkLeaks', + 'color', + 'delay', + 'diff', + 'dryRun', + 'passOnFailingTestSuite', + 'failZero', + 'forbidOnly', + 'forbidPending', + 'fullTrace', + 'inlineDiffs', + 'invert' + ].forEach(function (opt) { + if (options[opt]) { + this[opt](); + } + }, this); + + if (options.rootHooks) { + this.rootHooks(options.rootHooks); + } + + /** + * The class which we'll instantiate in {@link Mocha#run}. Defaults to + * {@link Runner} in serial mode; changes in parallel mode. + * @memberof Mocha + * @private + */ + this._runnerClass = exports.Runner; + + /** + * Whether or not to call {@link Mocha#loadFiles} implicitly when calling + * {@link Mocha#run}. If this is `true`, then it's up to the consumer to call + * {@link Mocha#loadFiles} _or_ {@link Mocha#loadFilesAsync}. + * @private + * @memberof Mocha + */ + this._lazyLoadFiles = false; + + /** + * It's useful for a Mocha instance to know if it's running in a worker process. + * We could derive this via other means, but it's helpful to have a flag to refer to. + * @memberof Mocha + * @private + */ + this.isWorker = Boolean(options.isWorker); + + this.globalSetup(options.globalSetup) + .globalTeardown(options.globalTeardown) + .enableGlobalSetup(options.enableGlobalSetup) + .enableGlobalTeardown(options.enableGlobalTeardown); + + if ( + options.parallel && + (typeof options.jobs === 'undefined' || options.jobs > 1) + ) { + debug('attempting to enable parallel mode'); + this.parallelMode(true); + } + } + + /** + * Enables or disables bailing on the first failure. + * + * @public + * @see [CLI option](../#-bail-b) + * @param {boolean} [bail=true] - Whether to bail on first error. + * @returns {Mocha} this + * @chainable + */ + Mocha.prototype.bail = function (bail) { + this.suite.bail(bail !== false); + return this; + }; + + /** + * @summary + * Adds `file` to be loaded for execution. + * + * @description + * Useful for generic setup code that must be included within test suite. + * + * @public + * @see [CLI option](../#-file-filedirectoryglob) + * @param {string} file - Pathname of file to be loaded. + * @returns {Mocha} this + * @chainable + */ + Mocha.prototype.addFile = function (file) { + this.files.push(file); + return this; + }; + + /** + * Sets reporter to `reporter`, defaults to "spec". + * + * @public + * @see [CLI option](../#-reporter-name-r-name) + * @see [Reporters](../#reporters) + * @param {String|Function} reporterName - Reporter name or constructor. + * @param {Object} [reporterOptions] - Options used to configure the reporter. + * @returns {Mocha} this + * @chainable + * @throws {Error} if requested reporter cannot be loaded + * @example + * + * // Use XUnit reporter and direct its output to file + * mocha.reporter('xunit', { output: '/path/to/testspec.xunit.xml' }); + */ + Mocha.prototype.reporter = function (reporterName, reporterOptions) { + if (typeof reporterName === 'function') { + this._reporter = reporterName; + } else { + reporterName = reporterName || 'spec'; + var reporter; + // Try to load a built-in reporter. + if (builtinReporters[reporterName]) { + reporter = builtinReporters[reporterName]; + } + // Try to load reporters from process.cwd() and node_modules + if (!reporter) { + let foundReporter; + try { + foundReporter = require.resolve(reporterName); + reporter = commonjsRequire(foundReporter); + } catch (err) { + if (foundReporter) { + throw createInvalidReporterError(err.message, foundReporter); + } + // Try to load reporters from a cwd-relative path + try { + reporter = commonjsRequire(path.resolve(reporterName)); + } catch (e) { + throw createInvalidReporterError(e.message, reporterName); + } + } + } + this._reporter = reporter; + } + this.options.reporterOption = reporterOptions; + // alias option name is used in built-in reporters xunit/tap/progress + this.options.reporterOptions = reporterOptions; + return this; + }; + + /** + * Sets test UI `name`, defaults to "bdd". + * + * @public + * @see [CLI option](../#-ui-name-u-name) + * @see [Interface DSLs](../#interfaces) + * @param {string|Function} [ui=bdd] - Interface name or class. + * @returns {Mocha} this + * @chainable + * @throws {Error} if requested interface cannot be loaded + */ + Mocha.prototype.ui = function (ui) { + var bindInterface; + if (typeof ui === 'function') { + bindInterface = ui; + } else { + ui = ui || 'bdd'; + bindInterface = exports.interfaces[ui]; + if (!bindInterface) { + try { + bindInterface = commonjsRequire(ui); + } catch (err) { + throw createInvalidInterfaceError(`invalid interface '${ui}'`, ui); + } + } + } + bindInterface(this.suite); + + this.suite.on(EVENT_FILE_PRE_REQUIRE, function (context) { + currentContext = context; + }); + + return this; + }; + + /** + * Loads `files` prior to execution. Does not support ES Modules. + * + * @description + * The implementation relies on Node's `require` to execute + * the test interface functions and will be subject to its cache. + * Supports only CommonJS modules. To load ES modules, use Mocha#loadFilesAsync. + * + * @private + * @see {@link Mocha#addFile} + * @see {@link Mocha#run} + * @see {@link Mocha#unloadFiles} + * @see {@link Mocha#loadFilesAsync} + * @param {Function} [fn] - Callback invoked upon completion. + */ + Mocha.prototype.loadFiles = function (fn) { + var self = this; + var suite = this.suite; + this.files.forEach(function (file) { + file = path.resolve(file); + suite.emit(EVENT_FILE_PRE_REQUIRE, commonjsGlobal, file, self); + suite.emit(EVENT_FILE_REQUIRE, commonjsRequire(file), file, self); + suite.emit(EVENT_FILE_POST_REQUIRE, commonjsGlobal, file, self); + }); + fn && fn(); + }; + + /** + * Loads `files` prior to execution. Supports Node ES Modules. + * + * @description + * The implementation relies on Node's `require` and `import` to execute + * the test interface functions and will be subject to its cache. + * Supports both CJS and ESM modules. + * + * @public + * @see {@link Mocha#addFile} + * @see {@link Mocha#run} + * @see {@link Mocha#unloadFiles} + * @param {Object} [options] - Settings object. + * @param {Function} [options.esmDecorator] - Function invoked on esm module name right before importing it. By default will passthrough as is. + * @returns {Promise} + * @example + * + * // loads ESM (and CJS) test files asynchronously, then runs root suite + * mocha.loadFilesAsync() + * .then(() => mocha.run(failures => process.exitCode = failures ? 1 : 0)) + * .catch(() => process.exitCode = 1); + */ + Mocha.prototype.loadFilesAsync = function ({esmDecorator} = {}) { + var self = this; + var suite = this.suite; + this.lazyLoadFiles(true); + + return esmUtils.loadFilesAsync( + this.files, + function (file) { + suite.emit(EVENT_FILE_PRE_REQUIRE, commonjsGlobal, file, self); + }, + function (file, resultModule) { + suite.emit(EVENT_FILE_REQUIRE, resultModule, file, self); + suite.emit(EVENT_FILE_POST_REQUIRE, commonjsGlobal, file, self); + }, + esmDecorator + ); + }; + + /** + * Removes a previously loaded file from Node's `require` cache. + * + * @private + * @static + * @see {@link Mocha#unloadFiles} + * @param {string} file - Pathname of file to be unloaded. + */ + Mocha.unloadFile = function (file) { + if (utils.isBrowser()) { + throw createUnsupportedError( + 'unloadFile() is only supported in a Node.js environment' + ); + } + return require$$18.unloadFile(file); + }; + + /** + * Unloads `files` from Node's `require` cache. + * + * @description + * This allows required files to be "freshly" reloaded, providing the ability + * to reuse a Mocha instance programmatically. + * Note: does not clear ESM module files from the cache + * + * Intended for consumers — not used internally + * + * @public + * @see {@link Mocha#run} + * @returns {Mocha} this + * @chainable + */ + Mocha.prototype.unloadFiles = function () { + if (this._state === mochaStates.DISPOSED) { + throw createMochaInstanceAlreadyDisposedError( + 'Mocha instance is already disposed, it cannot be used again.', + this._cleanReferencesAfterRun, + this + ); + } + + this.files.forEach(function (file) { + Mocha.unloadFile(file); + }); + this._state = mochaStates.INIT; + return this; + }; + + /** + * Sets `grep` filter after escaping RegExp special characters. + * + * @public + * @see {@link Mocha#grep} + * @param {string} str - Value to be converted to a regexp. + * @returns {Mocha} this + * @chainable + * @example + * + * // Select tests whose full title begins with `"foo"` followed by a period + * mocha.fgrep('foo.'); + */ + Mocha.prototype.fgrep = function (str) { + if (!str) { + return this; + } + return this.grep(new RegExp(escapeRe(str))); + }; + + /** + * @summary + * Sets `grep` filter used to select specific tests for execution. + * + * @description + * If `re` is a regexp-like string, it will be converted to regexp. + * The regexp is tested against the full title of each test (i.e., the + * name of the test preceded by titles of each its ancestral suites). + * As such, using an exact-match fixed pattern against the + * test name itself will not yield any matches. + *
    + * Previous filter value will be overwritten on each call! + * + * @public + * @see [CLI option](../#-grep-regexp-g-regexp) + * @see {@link Mocha#fgrep} + * @see {@link Mocha#invert} + * @param {RegExp|String} re - Regular expression used to select tests. + * @return {Mocha} this + * @chainable + * @example + * + * // Select tests whose full title contains `"match"`, ignoring case + * mocha.grep(/match/i); + * @example + * + * // Same as above but with regexp-like string argument + * mocha.grep('/match/i'); + * @example + * + * // ## Anti-example + * // Given embedded test `it('only-this-test')`... + * mocha.grep('/^only-this-test$/'); // NO! Use `.only()` to do this! + */ + Mocha.prototype.grep = function (re) { + if (utils.isString(re)) { + // extract args if it's regex-like, i.e: [string, pattern, flag] + var arg = re.match(/^\/(.*)\/([gimy]{0,4})$|.*/); + this.options.grep = new RegExp(arg[1] || arg[0], arg[2]); + } else { + this.options.grep = re; + } + return this; + }; + + /** + * Inverts `grep` matches. + * + * @public + * @see {@link Mocha#grep} + * @return {Mocha} this + * @chainable + * @example + * + * // Select tests whose full title does *not* contain `"match"`, ignoring case + * mocha.grep(/match/i).invert(); + */ + Mocha.prototype.invert = function () { + this.options.invert = true; + return this; + }; + + /** + * Enables or disables checking for global variables leaked while running tests. + * + * @public + * @see [CLI option](../#-check-leaks) + * @param {boolean} [checkLeaks=true] - Whether to check for global variable leaks. + * @return {Mocha} this + * @chainable + */ + Mocha.prototype.checkLeaks = function (checkLeaks) { + this.options.checkLeaks = checkLeaks !== false; + return this; + }; + + /** + * Enables or disables whether or not to dispose after each test run. + * Disable this to ensure you can run the test suite multiple times. + * If disabled, be sure to dispose mocha when you're done to prevent memory leaks. + * @public + * @see {@link Mocha#dispose} + * @param {boolean} cleanReferencesAfterRun + * @return {Mocha} this + * @chainable + */ + Mocha.prototype.cleanReferencesAfterRun = function (cleanReferencesAfterRun) { + this._cleanReferencesAfterRun = cleanReferencesAfterRun !== false; + return this; + }; + + /** + * Manually dispose this mocha instance. Mark this instance as `disposed` and unable to run more tests. + * It also removes function references to tests functions and hooks, so variables trapped in closures can be cleaned by the garbage collector. + * @public + */ + Mocha.prototype.dispose = function () { + if (this._state === mochaStates.RUNNING) { + throw createMochaInstanceAlreadyRunningError( + 'Cannot dispose while the mocha instance is still running tests.' + ); + } + this.unloadFiles(); + this._previousRunner && this._previousRunner.dispose(); + this.suite.dispose(); + this._state = mochaStates.DISPOSED; + }; + + /** + * Displays full stack trace upon test failure. + * + * @public + * @see [CLI option](../#-full-trace) + * @param {boolean} [fullTrace=true] - Whether to print full stacktrace upon failure. + * @return {Mocha} this + * @chainable + */ + Mocha.prototype.fullTrace = function (fullTrace) { + this.options.fullTrace = fullTrace !== false; + return this; + }; + + /** + * Specifies whitelist of variable names to be expected in global scope. + * + * @public + * @see [CLI option](../#-global-variable-name) + * @see {@link Mocha#checkLeaks} + * @param {String[]|String} global - Accepted global variable name(s). + * @return {Mocha} this + * @chainable + * @example + * + * // Specify variables to be expected in global scope + * mocha.global(['jQuery', 'MyLib']); + */ + Mocha.prototype.global = function (global) { + this.options.global = (this.options.global || []) + .concat(global) + .filter(Boolean) + .filter(function (elt, idx, arr) { + return arr.indexOf(elt) === idx; + }); + return this; + }; + // for backwards compatibility, 'globals' is an alias of 'global' + Mocha.prototype.globals = Mocha.prototype.global; + + /** + * Enables or disables TTY color output by screen-oriented reporters. + * + * @public + * @see [CLI option](../#-color-c-colors) + * @param {boolean} [color=true] - Whether to enable color output. + * @return {Mocha} this + * @chainable + */ + Mocha.prototype.color = function (color) { + this.options.color = color !== false; + return this; + }; + + /** + * Enables or disables reporter to use inline diffs (rather than +/-) + * in test failure output. + * + * @public + * @see [CLI option](../#-inline-diffs) + * @param {boolean} [inlineDiffs=true] - Whether to use inline diffs. + * @return {Mocha} this + * @chainable + */ + Mocha.prototype.inlineDiffs = function (inlineDiffs) { + this.options.inlineDiffs = inlineDiffs !== false; + return this; + }; + + /** + * Enables or disables reporter to include diff in test failure output. + * + * @public + * @see [CLI option](../#-diff) + * @param {boolean} [diff=true] - Whether to show diff on failure. + * @return {Mocha} this + * @chainable + */ + Mocha.prototype.diff = function (diff) { + this.options.diff = diff !== false; + return this; + }; + + /** + * @summary + * Sets timeout threshold value. + * + * @description + * A string argument can use shorthand (such as "2s") and will be converted. + * If the value is `0`, timeouts will be disabled. + * + * @public + * @see [CLI option](../#-timeout-ms-t-ms) + * @see [Timeouts](../#timeouts) + * @param {number|string} msecs - Timeout threshold value. + * @return {Mocha} this + * @chainable + * @example + * + * // Sets timeout to one second + * mocha.timeout(1000); + * @example + * + * // Same as above but using string argument + * mocha.timeout('1s'); + */ + Mocha.prototype.timeout = function (msecs) { + this.suite.timeout(msecs); + return this; + }; + + /** + * Sets the number of times to retry failed tests. + * + * @public + * @see [CLI option](../#-retries-n) + * @see [Retry Tests](../#retry-tests) + * @param {number} retry - Number of times to retry failed tests. + * @return {Mocha} this + * @chainable + * @example + * + * // Allow any failed test to retry one more time + * mocha.retries(1); + */ + Mocha.prototype.retries = function (retry) { + this.suite.retries(retry); + return this; + }; + + /** + * Sets slowness threshold value. + * + * @public + * @see [CLI option](../#-slow-ms-s-ms) + * @param {number} msecs - Slowness threshold value. + * @return {Mocha} this + * @chainable + * @example + * + * // Sets "slow" threshold to half a second + * mocha.slow(500); + * @example + * + * // Same as above but using string argument + * mocha.slow('0.5s'); + */ + Mocha.prototype.slow = function (msecs) { + this.suite.slow(msecs); + return this; + }; + + /** + * Forces all tests to either accept a `done` callback or return a promise. + * + * @public + * @see [CLI option](../#-async-only-a) + * @param {boolean} [asyncOnly=true] - Whether to force `done` callback or promise. + * @return {Mocha} this + * @chainable + */ + Mocha.prototype.asyncOnly = function (asyncOnly) { + this.options.asyncOnly = asyncOnly !== false; + return this; + }; + + /** + * Disables syntax highlighting (in browser). + * + * @public + * @return {Mocha} this + * @chainable + */ + Mocha.prototype.noHighlighting = function () { + this.options.noHighlighting = true; + return this; + }; + + /** + * Enables or disables uncaught errors to propagate. + * + * @public + * @see [CLI option](../#-allow-uncaught) + * @param {boolean} [allowUncaught=true] - Whether to propagate uncaught errors. + * @return {Mocha} this + * @chainable + */ + Mocha.prototype.allowUncaught = function (allowUncaught) { + this.options.allowUncaught = allowUncaught !== false; + return this; + }; + + /** + * @summary + * Delays root suite execution. + * + * @description + * Used to perform async operations before any suites are run. + * + * @public + * @see [delayed root suite](../#delayed-root-suite) + * @returns {Mocha} this + * @chainable + */ + Mocha.prototype.delay = function delay() { + this.options.delay = true; + return this; + }; + + /** + * Enables or disables running tests in dry-run mode. + * + * @public + * @see [CLI option](../#-dry-run) + * @param {boolean} [dryRun=true] - Whether to activate dry-run mode. + * @return {Mocha} this + * @chainable + */ + Mocha.prototype.dryRun = function (dryRun) { + this.options.dryRun = dryRun !== false; + return this; + }; + + /** + * Fails test run if no tests encountered with exit-code 1. + * + * @public + * @see [CLI option](../#-fail-zero) + * @param {boolean} [failZero=true] - Whether to fail test run. + * @return {Mocha} this + * @chainable + */ + Mocha.prototype.failZero = function (failZero) { + this.options.failZero = failZero !== false; + return this; + }; + + /** + * Fail test run if tests were failed. + * + * @public + * @see [CLI option](../#-pass-on-failing-test-suite) + * @param {boolean} [passOnFailingTestSuite=false] - Whether to fail test run. + * @return {Mocha} this + * @chainable + */ + Mocha.prototype.passOnFailingTestSuite = function(passOnFailingTestSuite) { + this.options.passOnFailingTestSuite = passOnFailingTestSuite === true; + return this; + }; + + /** + * Causes tests marked `only` to fail the suite. + * + * @public + * @see [CLI option](../#-forbid-only) + * @param {boolean} [forbidOnly=true] - Whether tests marked `only` fail the suite. + * @returns {Mocha} this + * @chainable + */ + Mocha.prototype.forbidOnly = function (forbidOnly) { + this.options.forbidOnly = forbidOnly !== false; + return this; + }; + + /** + * Causes pending tests and tests marked `skip` to fail the suite. + * + * @public + * @see [CLI option](../#-forbid-pending) + * @param {boolean} [forbidPending=true] - Whether pending tests fail the suite. + * @returns {Mocha} this + * @chainable + */ + Mocha.prototype.forbidPending = function (forbidPending) { + this.options.forbidPending = forbidPending !== false; + return this; + }; + + /** + * Throws an error if mocha is in the wrong state to be able to transition to a "running" state. + * @private + */ + Mocha.prototype._guardRunningStateTransition = function () { + if (this._state === mochaStates.RUNNING) { + throw createMochaInstanceAlreadyRunningError( + 'Mocha instance is currently running tests, cannot start a next test run until this one is done', + this + ); + } + if ( + this._state === mochaStates.DISPOSED || + this._state === mochaStates.REFERENCES_CLEANED + ) { + throw createMochaInstanceAlreadyDisposedError( + 'Mocha instance is already disposed, cannot start a new test run. Please create a new mocha instance. Be sure to set disable `cleanReferencesAfterRun` when you want to reuse the same mocha instance for multiple test runs.', + this._cleanReferencesAfterRun, + this + ); + } + }; + + /** + * Mocha version as specified by "package.json". + * + * @name Mocha#version + * @type string + * @readonly + */ + Object.defineProperty(Mocha.prototype, 'version', { + value: require$$17.version, + configurable: false, + enumerable: true, + writable: false + }); + + /** + * Callback to be invoked when test execution is complete. + * + * @private + * @callback DoneCB + * @param {number} failures - Number of failures that occurred. + */ + + /** + * Runs root suite and invokes `fn()` when complete. + * + * @description + * To run tests multiple times (or to run tests in files that are + * already in the `require` cache), make sure to clear them from + * the cache first! + * + * @public + * @see {@link Mocha#unloadFiles} + * @see {@link Runner#run} + * @param {DoneCB} [fn] - Callback invoked when test execution completed. + * @returns {Runner} runner instance + * @example + * + * // exit with non-zero status if there were test failures + * mocha.run(failures => process.exitCode = failures ? 1 : 0); + */ + Mocha.prototype.run = function (fn) { + this._guardRunningStateTransition(); + this._state = mochaStates.RUNNING; + if (this._previousRunner) { + this._previousRunner.dispose(); + this.suite.reset(); + } + if (this.files.length && !this._lazyLoadFiles) { + this.loadFiles(); + } + var suite = this.suite; + var options = this.options; + options.files = this.files; + const runner = new this._runnerClass(suite, { + cleanReferencesAfterRun: this._cleanReferencesAfterRun, + delay: options.delay, + dryRun: options.dryRun, + failZero: options.failZero + }); + createStatsCollector(runner); + var reporter = new this._reporter(runner, options); + runner.checkLeaks = options.checkLeaks === true; + runner.fullStackTrace = options.fullTrace; + runner.asyncOnly = options.asyncOnly; + runner.allowUncaught = options.allowUncaught; + runner.forbidOnly = options.forbidOnly; + runner.forbidPending = options.forbidPending; + if (options.grep) { + runner.grep(options.grep, options.invert); + } + if (options.global) { + runner.globals(options.global); + } + if (options.color !== undefined) { + exports.reporters.Base.useColors = options.color; + } + exports.reporters.Base.inlineDiffs = options.inlineDiffs; + exports.reporters.Base.hideDiff = !options.diff; + + const done = failures => { + this._previousRunner = runner; + this._state = this._cleanReferencesAfterRun + ? mochaStates.REFERENCES_CLEANED + : mochaStates.INIT; + fn = fn || utils.noop; + if (typeof reporter.done === 'function') { + reporter.done(failures, fn); + } else { + fn(failures); + } + }; + + const runAsync = async runner => { + const context = + this.options.enableGlobalSetup && this.hasGlobalSetupFixtures() + ? await this.runGlobalSetup(runner) + : {}; + const failureCount = await runner.runAsync({ + files: this.files, + options + }); + if (this.options.enableGlobalTeardown && this.hasGlobalTeardownFixtures()) { + await this.runGlobalTeardown(runner, {context}); + } + return failureCount; + }; + + // no "catch" here is intentional. errors coming out of + // Runner#run are considered uncaught/unhandled and caught + // by the `process` event listeners. + // also: returning anything other than `runner` would be a breaking + // change + runAsync(runner).then(done); + + return runner; + }; + + /** + * Assigns hooks to the root suite + * @param {MochaRootHookObject} [hooks] - Hooks to assign to root suite + * @chainable + */ + Mocha.prototype.rootHooks = function rootHooks({ + beforeAll = [], + beforeEach = [], + afterAll = [], + afterEach = [] + } = {}) { + beforeAll = utils.castArray(beforeAll); + beforeEach = utils.castArray(beforeEach); + afterAll = utils.castArray(afterAll); + afterEach = utils.castArray(afterEach); + beforeAll.forEach(hook => { + this.suite.beforeAll(hook); + }); + beforeEach.forEach(hook => { + this.suite.beforeEach(hook); + }); + afterAll.forEach(hook => { + this.suite.afterAll(hook); + }); + afterEach.forEach(hook => { + this.suite.afterEach(hook); + }); + return this; + }; + + /** + * Toggles parallel mode. + * + * Must be run before calling {@link Mocha#run}. Changes the `Runner` class to + * use; also enables lazy file loading if not already done so. + * + * Warning: when passed `false` and lazy loading has been enabled _via any means_ (including calling `parallelMode(true)`), this method will _not_ disable lazy loading. Lazy loading is a prerequisite for parallel + * mode, but parallel mode is _not_ a prerequisite for lazy loading! + * @param {boolean} [enable] - If `true`, enable; otherwise disable. + * @throws If run in browser + * @throws If Mocha not in `INIT` state + * @returns {Mocha} + * @chainable + * @public + */ + Mocha.prototype.parallelMode = function parallelMode(enable = true) { + if (utils.isBrowser()) { + throw createUnsupportedError('parallel mode is only supported in Node.js'); + } + const parallel = Boolean(enable); + if ( + parallel === this.options.parallel && + this._lazyLoadFiles && + this._runnerClass !== exports.Runner + ) { + return this; + } + if (this._state !== mochaStates.INIT) { + throw createUnsupportedError( + 'cannot change parallel mode after having called run()' + ); + } + this.options.parallel = parallel; + + // swap Runner class + this._runnerClass = parallel + ? require$$18 + : exports.Runner; + + // lazyLoadFiles may have been set `true` otherwise (for ESM loading), + // so keep `true` if so. + return this.lazyLoadFiles(this._lazyLoadFiles || parallel); + }; + + /** + * Disables implicit call to {@link Mocha#loadFiles} in {@link Mocha#run}. This + * setting is used by watch mode, parallel mode, and for loading ESM files. + * @todo This should throw if we've already loaded files; such behavior + * necessitates adding a new state. + * @param {boolean} [enable] - If `true`, disable eager loading of files in + * {@link Mocha#run} + * @chainable + * @public + */ + Mocha.prototype.lazyLoadFiles = function lazyLoadFiles(enable) { + this._lazyLoadFiles = enable === true; + debug('set lazy load to %s', enable); + return this; + }; + + /** + * Configures one or more global setup fixtures. + * + * If given no parameters, _unsets_ any previously-set fixtures. + * @chainable + * @public + * @param {MochaGlobalFixture|MochaGlobalFixture[]} [setupFns] - Global setup fixture(s) + * @returns {Mocha} + */ + Mocha.prototype.globalSetup = function globalSetup(setupFns = []) { + setupFns = utils.castArray(setupFns); + this.options.globalSetup = setupFns; + debug('configured %d global setup functions', setupFns.length); + return this; + }; + + /** + * Configures one or more global teardown fixtures. + * + * If given no parameters, _unsets_ any previously-set fixtures. + * @chainable + * @public + * @param {MochaGlobalFixture|MochaGlobalFixture[]} [teardownFns] - Global teardown fixture(s) + * @returns {Mocha} + */ + Mocha.prototype.globalTeardown = function globalTeardown(teardownFns = []) { + teardownFns = utils.castArray(teardownFns); + this.options.globalTeardown = teardownFns; + debug('configured %d global teardown functions', teardownFns.length); + return this; + }; + + /** + * Run any global setup fixtures sequentially, if any. + * + * This is _automatically called_ by {@link Mocha#run} _unless_ the `runGlobalSetup` option is `false`; see {@link Mocha#enableGlobalSetup}. + * + * The context object this function resolves with should be consumed by {@link Mocha#runGlobalTeardown}. + * @param {object} [context] - Context object if already have one + * @public + * @returns {Promise} Context object + */ + Mocha.prototype.runGlobalSetup = async function runGlobalSetup(context = {}) { + const {globalSetup} = this.options; + if (globalSetup && globalSetup.length) { + debug('run(): global setup starting'); + await this._runGlobalFixtures(globalSetup, context); + debug('run(): global setup complete'); + } + return context; + }; + + /** + * Run any global teardown fixtures sequentially, if any. + * + * This is _automatically called_ by {@link Mocha#run} _unless_ the `runGlobalTeardown` option is `false`; see {@link Mocha#enableGlobalTeardown}. + * + * Should be called with context object returned by {@link Mocha#runGlobalSetup}, if applicable. + * @param {object} [context] - Context object if already have one + * @public + * @returns {Promise} Context object + */ + Mocha.prototype.runGlobalTeardown = async function runGlobalTeardown( + context = {} + ) { + const {globalTeardown} = this.options; + if (globalTeardown && globalTeardown.length) { + debug('run(): global teardown starting'); + await this._runGlobalFixtures(globalTeardown, context); + } + debug('run(): global teardown complete'); + return context; + }; + + /** + * Run global fixtures sequentially with context `context` + * @private + * @param {MochaGlobalFixture[]} [fixtureFns] - Fixtures to run + * @param {object} [context] - context object + * @returns {Promise} context object + */ + Mocha.prototype._runGlobalFixtures = async function _runGlobalFixtures( + fixtureFns = [], + context = {} + ) { + for await (const fixtureFn of fixtureFns) { + await fixtureFn.call(context); + } + return context; + }; + + /** + * Toggle execution of any global setup fixture(s) + * + * @chainable + * @public + * @param {boolean } [enabled=true] - If `false`, do not run global setup fixture + * @returns {Mocha} + */ + Mocha.prototype.enableGlobalSetup = function enableGlobalSetup(enabled = true) { + this.options.enableGlobalSetup = Boolean(enabled); + return this; + }; + + /** + * Toggle execution of any global teardown fixture(s) + * + * @chainable + * @public + * @param {boolean } [enabled=true] - If `false`, do not run global teardown fixture + * @returns {Mocha} + */ + Mocha.prototype.enableGlobalTeardown = function enableGlobalTeardown( + enabled = true + ) { + this.options.enableGlobalTeardown = Boolean(enabled); + return this; + }; + + /** + * Returns `true` if one or more global setup fixtures have been supplied. + * @public + * @returns {boolean} + */ + Mocha.prototype.hasGlobalSetupFixtures = function hasGlobalSetupFixtures() { + return Boolean(this.options.globalSetup.length); + }; + + /** + * Returns `true` if one or more global teardown fixtures have been supplied. + * @public + * @returns {boolean} + */ + Mocha.prototype.hasGlobalTeardownFixtures = + function hasGlobalTeardownFixtures() { + return Boolean(this.options.globalTeardown.length); + }; + + /** + * An alternative way to define root hooks that works with parallel runs. + * @typedef {Object} MochaRootHookObject + * @property {Function|Function[]} [beforeAll] - "Before all" hook(s) + * @property {Function|Function[]} [beforeEach] - "Before each" hook(s) + * @property {Function|Function[]} [afterAll] - "After all" hook(s) + * @property {Function|Function[]} [afterEach] - "After each" hook(s) + */ + + /** + * An function that returns a {@link MochaRootHookObject}, either sync or async. + @callback MochaRootHookFunction + * @returns {MochaRootHookObject|Promise} + */ + + /** + * A function that's invoked _once_ which is either sync or async. + * Can be a "teardown" or "setup". These will all share the same context. + * @callback MochaGlobalFixture + * @returns {void|Promise} + */ + + /** + * An object making up all necessary parts of a plugin loader and aggregator + * @typedef {Object} PluginDefinition + * @property {string} exportName - Named export to use + * @property {string} [optionName] - Option name for Mocha constructor (use `exportName` if omitted) + * @property {PluginValidator} [validate] - Validator function + * @property {PluginFinalizer} [finalize] - Finalizer/aggregator function + */ + + /** + * A (sync) function to assert a user-supplied plugin implementation is valid. + * + * Defined in a {@link PluginDefinition}. + + * @callback PluginValidator + * @param {*} value - Value to check + * @this {PluginDefinition} + * @returns {void} + */ + + /** + * A function to finalize plugins impls of a particular ilk + * @callback PluginFinalizer + * @param {Array<*>} impls - User-supplied implementations + * @returns {Promise<*>|*} + */ + }(mocha$1, mocha$1.exports)); + + /* eslint no-unused-vars: off */ + /* eslint-env commonjs */ + + /** + * Shim process.stdout. + */ + + process.stdout = browserStdout({label: false}); + + var parseQuery = parseQuery$1; + var highlightTags = highlightTags$1; + var Mocha = mocha$1.exports; + + /** + * Create a Mocha instance. + * + * @return {undefined} + */ + + var mocha = new Mocha({reporter: 'html'}); + + /** + * Save timer references to avoid Sinon interfering (see GH-237). + */ + + var Date$1 = commonjsGlobal.Date; + var setTimeout$1 = commonjsGlobal.setTimeout; + commonjsGlobal.setInterval; + commonjsGlobal.clearTimeout; + commonjsGlobal.clearInterval; + + var uncaughtExceptionHandlers = []; + + var originalOnerrorHandler = commonjsGlobal.onerror; + + /** + * Remove uncaughtException listener. + * Revert to original onerror handler if previously defined. + */ + + process.removeListener = function (e, fn) { + if (e === 'uncaughtException') { + if (originalOnerrorHandler) { + commonjsGlobal.onerror = originalOnerrorHandler; + } else { + commonjsGlobal.onerror = function () {}; + } + var i = uncaughtExceptionHandlers.indexOf(fn); + if (i !== -1) { + uncaughtExceptionHandlers.splice(i, 1); + } + } + }; + + /** + * Implements listenerCount for 'uncaughtException'. + */ + + process.listenerCount = function (name) { + if (name === 'uncaughtException') { + return uncaughtExceptionHandlers.length; + } + return 0; + }; + + /** + * Implements uncaughtException listener. + */ + + process.on = function (e, fn) { + if (e === 'uncaughtException') { + commonjsGlobal.onerror = function (msg, url, line, col, err) { + fn(err || new Error(msg + ' (' + url + ':' + line + ':' + col + ')')); + return !mocha.options.allowUncaught; + }; + uncaughtExceptionHandlers.push(fn); + } + }; + + process.listeners = function (e) { + if (e === 'uncaughtException') { + return uncaughtExceptionHandlers; + } + return []; + }; + + // The BDD UI is registered by default, but no UI will be functional in the + // browser without an explicit call to the overridden `mocha.ui` (see below). + // Ensure that this default UI does not expose its methods to the global scope. + mocha.suite.removeAllListeners('pre-require'); + + var immediateQueue = []; + var immediateTimeout; + + function timeslice() { + var immediateStart = new Date$1().getTime(); + while (immediateQueue.length && new Date$1().getTime() - immediateStart < 100) { + immediateQueue.shift()(); + } + if (immediateQueue.length) { + immediateTimeout = setTimeout$1(timeslice, 0); + } else { + immediateTimeout = null; + } + } + + /** + * High-performance override of Runner.immediately. + */ + + Mocha.Runner.immediately = function (callback) { + immediateQueue.push(callback); + if (!immediateTimeout) { + immediateTimeout = setTimeout$1(timeslice, 0); + } + }; + + /** + * Function to allow assertion libraries to throw errors directly into mocha. + * This is useful when running tests in a browser because window.onerror will + * only receive the 'message' attribute of the Error. + */ + mocha.throwError = function (err) { + uncaughtExceptionHandlers.forEach(function (fn) { + fn(err); + }); + throw err; + }; + + /** + * Override ui to ensure that the ui functions are initialized. + * Normally this would happen in Mocha.prototype.loadFiles. + */ + + mocha.ui = function (ui) { + Mocha.prototype.ui.call(this, ui); + this.suite.emit('pre-require', commonjsGlobal, null, this); + return this; + }; + + /** + * Setup mocha with the given setting options. + */ + + mocha.setup = function (opts) { + if (typeof opts === 'string') { + opts = {ui: opts}; + } + if (opts.delay === true) { + this.delay(); + } + var self = this; + Object.keys(opts) + .filter(function (opt) { + return opt !== 'delay'; + }) + .forEach(function (opt) { + if (Object.prototype.hasOwnProperty.call(opts, opt)) { + self[opt](opts[opt]); + } + }); + return this; + }; + + /** + * Run mocha, returning the Runner. + */ + + mocha.run = function (fn) { + var options = mocha.options; + mocha.globals('location'); + + var query = parseQuery(commonjsGlobal.location.search || ''); + if (query.grep) { + mocha.grep(query.grep); + } + if (query.fgrep) { + mocha.fgrep(query.fgrep); + } + if (query.invert) { + mocha.invert(); + } + + return Mocha.prototype.run.call(mocha, function (err) { + // The DOM Document is not available in Web Workers. + var document = commonjsGlobal.document; + if ( + document && + document.getElementById('mocha') && + options.noHighlighting !== true + ) { + highlightTags('code'); + } + if (fn) { + fn(err); + } + }); + }; + + /** + * Expose the process shim. + * https://github.com/mochajs/mocha/pull/916 + */ + + Mocha.process = process; + + /** + * Expose mocha. + */ + commonjsGlobal.Mocha = Mocha; + commonjsGlobal.mocha = mocha; + + // for bundlers: enable `import {describe, it} from 'mocha'` + // `bdd` interface only + // prettier-ignore + [ + 'describe', 'context', 'it', 'specify', + 'xdescribe', 'xcontext', 'xit', 'xspecify', + 'before', 'beforeEach', 'afterEach', 'after' + ].forEach(function(key) { + mocha[key] = commonjsGlobal[key]; + }); + + var browserEntry = mocha; + + return browserEntry; + +})); +//# sourceMappingURL=mocha.js.map diff --git a/tests/serverTests.js b/tests/serverTests.js new file mode 100644 index 0000000..b754e31 --- /dev/null +++ b/tests/serverTests.js @@ -0,0 +1,51 @@ +const { DefaultNames,NameIndex, + getRandomName,getRandomValue,shuffleArray } = require('../server'); +const puzzles = require('../puzzles.json'); +const names = require('../assignedNames.json'); +const assert = require('assert'); + +function resetGlobals() { + //initialize variables + NameIndex = 0; +} +function testNames() { + for (let i of DefaultNames){ + console.log(getRandomName()); + } +} + +beforeEach(function () { + //resetGlobals(); +}); + +afterEach(function () { + //resetGlobals(); +}); +/* +function testNames() { + let results = []; + for (let i of DefaultNames) { + let name = getRandomName(); + results.push(name); + } + if (results.) {} + } +*/ +describe('getRandomName',()=>{ + it('should be of type string',()=>{ + const result = getRandomName(); + assert(typeof result == 'string','this should be a string') + }) + it('should never have an undefined value',()=>{ + let results = []; + for (let i of DefaultNames) { + let name = getRandomName(); + results.push(name); + } + console.log(results); + console.log(results.filter((i) => i === undefined).length); + assert(results.filter((i) => i === undefined).length < 1) + }) +}) + + diff --git a/tests/tests.spec.js b/tests/tests.spec.js new file mode 100644 index 0000000..e69de29 diff --git a/thingstotest.txt b/thingstotest.txt new file mode 100644 index 0000000..2f3f101 --- /dev/null +++ b/thingstotest.txt @@ -0,0 +1,5 @@ +things to test.txt + +test joining room on already started game + +don't use async testing in mocha if possible. \ No newline at end of file