From 8f1c00d0abce9ee90995c7a34d75b77289b7bd64 Mon Sep 17 00:00:00 2001 From: michaeljqzq Date: Fri, 7 Dec 2018 11:42:50 +0800 Subject: [PATCH 01/19] Add sample gallery --- assets/views/gallery.css | 453 ++ assets/views/gallery.html | 48 + assets/views/gallery.js | 381 ++ assets/views/images/feed.svg | 12 + assets/views/images/github.svg | 12 + assets/views/vue-select.js | 3 + assets/views/vue.js | 10947 +++++++++++++++++++++++++++++++ package.json | 6 + src/common/constants.ts | 3 + src/edge/edgeManager.ts | 96 + src/extension.ts | 12 + 11 files changed, 11973 insertions(+) create mode 100644 assets/views/gallery.css create mode 100644 assets/views/gallery.html create mode 100644 assets/views/gallery.js create mode 100644 assets/views/images/feed.svg create mode 100644 assets/views/images/github.svg create mode 100644 assets/views/vue-select.js create mode 100644 assets/views/vue.js diff --git a/assets/views/gallery.css b/assets/views/gallery.css new file mode 100644 index 00000000..faf10e8d --- /dev/null +++ b/assets/views/gallery.css @@ -0,0 +1,453 @@ +::-webkit-scrollbar { + width: 10px; + background: white; +} + +::-webkit-scrollbar-thumb { + background-color: #AAA; + border: 2px solid white; + border-radius: 5px; +} + +[v-cloak] { display: none } + +* { + box-sizing: border-box; + font-family: "Segoe UI",-apple-system,".SFNSText-Regular","San Francisco","Helvetica Neue","Lucida Grande",Arial,sans-serif; +} + +body { + margin: 20px; + background: white; + min-width: 700px; + cursor: default; +} + +#main { + width: 1700px; + display: inline-block; + vertical-align: top; + padding-right: 20px; +} + +ul.example-list { + padding: 0; + margin: 0; + margin-right: -20px; + margin-bottom: -20px; +} + +ul.example-list:after { + content: ""; + display: block; + clear: both; +} + +ul.example-list > li { + list-style: none; + width: 320px; + margin-right: 20px; + margin-bottom: 20px; + float: left; + text-align: left; + box-shadow: 0px 1px 3px 0 rgba(0, 0, 0, 0.15); +} + +ul.example-list > li:hover { + box-shadow: 0px 1px 3px 0 rgba(0, 0, 0, 0.3); +} + +ul.example-list > li > .header { + height: 185px; + width: 100%; + position: relative; + overflow: hidden; +} + +#featured > .difficulty, +ul.example-list > li > .header > .difficulty { + position: absolute; + left: 14px; + top: 12px; + padding: 1px 14px; + color: white; + border-radius: 2px; + font-size: 11px; + font-weight: 700; + z-index: 10; +} + +#featured > .difficulty.easy, +ul.example-list > li > .header > .difficulty.easy { + background: rgb(143, 195, 31); +} + +#featured > .difficulty.medium, +ul.example-list > li > .header > .difficulty.medium { + background: rgb(249, 143, 64); +} + +#featured > .difficulty.hard, +ul.example-list > li > .header > .difficulty.hard { + background: rgb(240, 90, 45); +} + +#featured > .difficulty.easy:before, +ul.example-list > li > .header > .difficulty.easy:before { + content: "EASY" +} + +#featured > .difficulty.medium:before, +ul.example-list > li > .header > .difficulty.medium:before { + content: "MEDIUM" +} + +#featured > .difficulty.hard:before, +ul.example-list > li > .header > .difficulty.hard:before { + content: "HARD" +} + +ul.example-list > li > .header > img { + width: 100%; +} + +ul.example-list > li > .body { + border-top: none; + padding: 20px; +} + +ul.example-list > li > .body > h2 { + margin-top: 0; + margin-bottom: 10px; + font-size: 17px; + font-weight: 500; + color: #333; +} + +ul.example-list > li > .body > .description { + font-size: 15px; + height: 58px; + padding-bottom: 20px; + color: #333; + overflow: hidden; +} + +ul.example-list > li > .body > .services { + height: 34px; +} + +ul.example-list > li > .body > .services > img { + width: 24px; + height: 24px; + margin-right: 12px; +} + +#featured > .body > .buttons > button, +ul.example-list > li > .body > .buttons > button { + padding: 8px 15px; + cursor: pointer; + outline: none; + margin-right: 10px; + font-size: 15px; +} + +#featured > .body > .buttons > button { + background: #069; + color: white; + border: 1px solid #069; +} + +ul.example-list > li > .body > .buttons { + text-align: right; +} + +ul.example-list > li > .body > .buttons > button { + background: white; + color: #069; + border: 1px solid #069; +} + +#featured > .body > .buttons > button:hover { + background: #66a3c2; + color: white; + border: 1px solid #66a3c2; +} + +ul.example-list > li > .body > .buttons > button:hover { + background: #069; + color: white; + border: 1px solid #069; +} + +.link { + cursor: pointer; +} + +.link:hover { + text-decoration: underline; +} + +aside { + width: 300px; + display: inline-block; + vertical-align: top; + color: #333; + text-align: left; +} + +aside h1 { + font-weight: 400; + margin-top: 0; + margin-bottom: 10px; + font-size: 13px; + text-transform: uppercase; + display: inline-block; + padding-bottom: 2px; + border-bottom: 2px solid #666; + color: #666; +} + +aside .section { + margin-bottom: 20px; + padding: 0 20px; + font-size: 15px; +} + +aside .section > img { + max-width: 100%; +} + +.quick-links > ul.links { + padding: 0; + margin: 0; +} + +.quick-links > ul.links > li { + list-style: none; + line-height: 2; + cursor: pointer; + font-size: 15px; +} + +.quick-links > ul.links > li:hover { + text-decoration: underline; +} + +.blog { + margin-bottom: 20px; +} + +.blog > ul { + margin: 0; + padding: 0; +} + +.blog > ul > li { + list-style: none; + margin-bottom: 10px; +} + +.blog > ul > li:last-child { + border: none; +} + +.blog > ul > li > h2 { + font-size: 17px; + font-weight: 500; + margin: 0; + margin-bottom: 5px; + cursor: pointer; +} + +.blog > ul > li > h2:hover { + text-decoration: underline; +} + +.blog > ul > li > p { + font-size: 15px; + line-height: 1.5; + margin: 0; + margin-top: 5px; + display: none; +} + +.blog > ul > li:first-child > p { + display: block; +} + +.blog > ul > li > .date { + font-size: 13px; + margin: 0; + color: #666; +} + +.info table td { + padding-right: 10px; +} + +.badge span { + display: inline-block; + padding-right: 20px; +} + +#featured { + width: 100%; + height: 380px; + position: relative; + margin-bottom: 20px; + overflow: hidden; + box-shadow: 0px 1px 3px 0 rgba(0, 0, 0, 0.15); +} + +#featured:hover { + box-shadow: 0px 1px 3px 0 rgba(0, 0, 0, 0.3); +} + +#featured:before { + content: ""; + display: block; + position: absolute; + width: 100%; + height: 100%; + top: 0; + left: 0; + background: linear-gradient(to right, rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0)); + z-index: 1; +} + +#featured > img { + min-width: 100%; + min-height: 100%; +} + +ul.example-list > li:hover > .header > img, +#featured:hover > img { + opacity: 0.8; +} + +#featured > .body { + position: absolute; + top: 0; + left: 0; + width: 100%; + height: 100%; + padding: 100px 20px 20px 20px; + text-align: left; + z-index: 10; + color: white; +} + +#featured > .body > h2 { + font-weight: 400; +} + +#featured > .body > .description { + margin-bottom: 20px; + max-width: 500px; +} + +.github:before, +.feed:before { + display: inline-block; + width: 20px; + height: 20px; + position: relative; + top: 4px; + margin-right: 5px; + opacity: 0.5; +} + +.github:hover:before, +.feed:hover:before { + opacity: 0.8; +} + +.github:before { + content: url(images/github.svg); +} + +.feed:before { + content: url(images/feed.svg); +} + +.tutorial { + float: left; + padding: 8px 0; + color: #069; +} + +.example-list > li:hover .example-link { + text-decoration: underline; +} + +.example-link { + cursor: pointer; +} + +#filter { + margin-bottom: 30px; +} + +@media (min-width: 4096px) { + body:after { + content: "There's more to the picture than meets the eye."; + position: fixed; + display: block; + font-size: 12px; + left: 100%; + top: 0; + color: gray; + transform: rotate(90deg); + transform-origin: 0 0; + white-space: nowrap; + padding: 5px 15px; + } +} + +@media (min-width: 1420px) and (max-width: 1759px) { + #main.no-aside { + width: 1360px; + } +} + +@media (min-width: 1080px) and (max-width: 1419px) { + #main.no-aside { + width: 1020px; + } +} + +@media (min-width: 740px) and (max-width: 1079px) { + #main.no-aside { + width: 680px; + } +} + +@media (max-width: 739px) { + #main.no-aside { + width: 340px; + } +} + +@media (min-width: 1720px) and (max-width: 2059px) { + #main:not(.no-aside) { + width: 1360px; + } +} + +@media (min-width: 1380px) and (max-width: 1719px) { + #main:not(.no-aside) { + width: 1020px; + } +} + +@media (min-width: 1040px) and (max-width: 1379px) { + #main:not(.no-aside) { + width: 680px; + } +} + +@media (max-width: 1039px) { + #main:not(.no-aside) { + width: 340px; + } +} \ No newline at end of file diff --git a/assets/views/gallery.html b/assets/views/gallery.html new file mode 100644 index 00000000..1a96cc04 --- /dev/null +++ b/assets/views/gallery.html @@ -0,0 +1,48 @@ + + + + + + + + +
+
+
+ +
+ +
    +
  • +
    + + +
    +
    +

    {{ example.name }}

    +
    {{ example.description.length > 80 ? example.description.substr(0, 77) + '...' : example.description }}
    +
    + +
    View Tutorial
    + +
    +
    +
    • +
+
+ +
+ + + \ No newline at end of file diff --git a/assets/views/gallery.js b/assets/views/gallery.js new file mode 100644 index 00000000..ae853b80 --- /dev/null +++ b/assets/views/gallery.js @@ -0,0 +1,381 @@ +(function() { +let vscode = null; +class LogicalDevice { + constructor(deviceId, platform, deviceName) { + this.deviceId = deviceId; + this.deviceName = deviceName; + this.platform = platform; + } + + static fromObject(obj, allDevices) { + if (!obj.deviceId) { + throw Error(`The device id missing`); + } + if (!obj.platform) { + throw Error(`The platform missing`); + } + let name = allDevices.find(d => d.id === obj.deviceId).name; + return new this(obj.deviceId, obj.platform, name); + } + + equals(b) { + return this.deviceId === b.deviceId && this.platform === b.platform; + } + + toString() { + return `${this.deviceName} (${this.platform})`; + } +} + +function addToArrayWithoutDup(logicalDevice, list) { + if (!list.find(device => device.equals(logicalDevice))) { + list.push(logicalDevice); + } +} + +Vue.component('v-select', VueSelect.VueSelect); + +var example = new Vue({ + el: '#main', + data: { + version: '', + publishDate: '', + featuredExample: null, + examples: [], + blogs: [], + boardId: '', + logicalDevices: [], + selectedLogicalDevices: [], + }, + created: function() { + const query = parseQuery(location.href); + const url = query.url || + 'https://raw.githubusercontent.com/michaeljqzq/edge-sample-gallery/master/sample-gallery.json'; + this.boardId = query.board || ''; + httpRequest(url, function(data) { + var examples = []; + var aside = []; + let allPlatforms = []; + let allDevices = []; + try { + if (data) { + data = JSON.parse(data); + examples = data.samples; + allPlatforms = data.platforms; + allDevices = data.devices; + aside = data.aside || []; + } + } catch(error) { + // ignore + } + + if (aside.length) { + generateAside(aside); + } else { + document.getElementById('main').className = 'no-aside'; + } + + for (var i = 0; i < examples.length; i++) { + for (let j = 0; j < examples[i].supportDevices.length; j++) { + let device = examples[i].supportDevices[j]; + if (!device.deviceId || !device.platform) { + throw Error(`Missing property deviceId or platform for sample ${examples[i].name}`); + } + if (!allDevices.find(d => d.id === device.deviceId)) { + throw Error(`The device id ${device.deviceId} is not in the list ${JSON.stringify(allDevices)}`); + } + if (!allPlatforms.includes(device.platform)) { + throw Error(`The platform ${device.platform} is not in the list ${JSON.stringify(allPlatforms)}`); + } + let logicalDevice = LogicalDevice.fromObject(device, allDevices); + addToArrayWithoutDup(logicalDevice, this.logicalDevices); + examples[i].supportDevices[j] = logicalDevice; + } + if (examples[i].featured && !this.featuredExample) { + this.featuredExample = examples.splice(i, 1)[0]; + i--; + } + } + this.examples = examples; + }.bind(this)); + }, + methods: { + getProjectName: function(example) { + if (example.project_name) { + return example.project_name; + } + + if (example.name) { + let project_name = example.name.replace(/[^a-z0-9]/ig, '_').toLowerCase(); + return project_name; + } + + return 'example_' + new Date().getTime(); + }, + openSample: function(sample, url, boardId, event) { + let platform = null; + // If user has a device filter, then it will set the platform as the first device filter match the sample + // else it will set the platform as the first support devices platform in the sample + if(this.selectedLogicalDevices.length !== 0) { + platform = this.selectedLogicalDevices.find(ld => sample.supportDevices.find(s => s.equals(ld.value))).value.platform; + }else { + platform = sample.supportDevices[0].platform; + } + + let name = this.getProjectName(sample); + if(!vscode) vscode = acquireVsCodeApi(); + vscode.postMessage({ + command: 'openSample', + name, + url, + platform, + }); + + // release the focus. Or when press enter in "set sample name", the enter event will be passed to the webview and trigger the focused element again + document.activeElement.blur(); + }, + openLink: openLink + }, + computed: { + logicalDeviceOptions: { + get: function() { + return this.logicalDevices.map(d => ({ + label: d.toString(), + value: d, + })); + } + }, + selectedExamples: { + get: function() { + if(this.selectedLogicalDevices.length === 0) return this.examples; + return this.examples.filter(e => { + for(let device of e.supportDevices) { + if(this.selectedLogicalDevices.find(selected => device.equals(selected.value))) { + return true; + } + } + return false; + }) + } + } + } +}); + +function openLink(url) { + if (!url) { + return; + } + if (!vscode) vscode = acquireVsCodeApi(); + vscode.postMessage({ + command: 'openLink', + url, + }); + } + +function httpRequest(url, callback) { + var xhr = new XMLHttpRequest(); + xhr.onreadystatechange = function() { + if (xhr.readyState === 4) { + if (xhr.status === 200) { + if (callback) { + callback(xhr.responseText); + } + } else { + if (callback) { + callback(null); + } + } + } + } + xhr.open('GET', url, true); + xhr.send(); +} + +function parseQuery(url) { + if (url.indexOf('?') < 0) { + return {}; + } + const query = url.split('?')[1].split('&'); + let res = {}; + query.forEach(q => { + const item = q.split('='); + res[item[0]] = item[1] ? decodeURIComponent(item[1]) : undefined; + }); + + return res; +} + +function generateSection(obj, className) { + let section = document.createElement('div'); + section.className = 'section'; + if (className) { + section.className += ' ' + className; + } + + if (obj.title) { + let title = document.createElement('h1'); + title.innerText = obj.title; + section.appendChild(title); + } + return section; +} + +function generateLinks(obj) { + let section = generateSection(obj, 'quick-links'); + if (obj.items && obj.items.length) { + let ulEl = document.createElement('ul'); + ulEl.className = 'links'; + obj.items.forEach((link) => { + let linkEl = document.createElement('li'); + linkEl.innerText = link.text; + linkEl.addEventListener('click', () => { + openLink(link.url); + }); + ulEl.appendChild(linkEl); + }); + section.appendChild(ulEl); + } + return section; +} + +function generateTable(obj) { + let section = generateSection(obj, 'info'); + if (obj.rows && obj.rows.length) { + let tableEl = document.createElement('table'); + obj.rows.forEach((row) => { + if (row.length) { + let trEl = document.createElement('tr'); + row.forEach((col) => { + let tdEl = document.createElement('td'); + tdEl.innerText = col.text; + if (col.url) { + tdEl.className = 'link'; + tdEl.addEventListener('click', () => { + openLink(col.url); + }); + } + trEl.appendChild(tdEl); + }); + tableEl.appendChild(trEl); + } + }); + section.appendChild(tableEl); + } + return section; +} + +function generateText(obj) { + let section = generateSection(obj); + let pEl = document.createElement('p'); + pEl.innerText = obj.text; + section.appendChild(pEl); + return section; +} + +function generateImage(obj) { + let section = generateSection(obj); + let imgEl = document.createElement('img'); + imgEl.src = obj.src; + if (obj.url) { + imgEl.className = 'link'; + imgEl.addEventListener('click', () => { + openLink(obj.url); + }); + } + section.appendChild(imgEl); + return section; +} + +function generateBadge(obj) { + let section = generateSection(obj, 'badge'); + if (obj.items && obj.items.length) { + obj.items.forEach((item) => { + let spanEl = document.createElement('span'); + spanEl.className = item.icon; + spanEl.innerText = item.text; + if (item.url) { + spanEl.className += ' link'; + spanEl.addEventListener('click', () => { + openLink(item.url); + }); + } + section.appendChild(spanEl); + }); + } + return section; +} + +function generateFeed(obj) { + let section = generateSection(obj, 'blog'); + httpRequest('https://blogs.msdn.microsoft.com/iotdev/feed/', function(data) { + let parser = new DOMParser(); + let xmlDoc = parser.parseFromString(data,'text/xml'); + let items = xmlDoc.getElementsByTagName('item'); + let ulEl = document.createElement('ul'); + ulEl.className = 'blog'; + for (let i = 0; i < Math.min(items.length, 3); i++) { + let title = items[i].getElementsByTagName('title')[0].textContent; + let link = items[i].getElementsByTagName('link')[0].textContent; + let date = new Date(items[i].getElementsByTagName('pubDate')[0].textContent).toISOString().slice(0, 10); + let description = items[i].getElementsByTagName('description')[0].textContent; + + let liEl = document.createElement('li'); + let h2El = document.createElement('h2'); + h2El.innerText = title; + h2El.addEventListener('click', () => { + openLink(link); + }); + liEl.appendChild(h2El); + + let divEl = document.createElement('div'); + divEl.className = 'date'; + divEl.innerText = date; + liEl.appendChild(divEl); + + let pEl = document.createElement('p'); + pEl.innerText = description; + liEl.appendChild(pEl); + + ulEl.appendChild(liEl); + } + section.appendChild(ulEl); + }); + return section; +} + +function generateAside(data) { + const aside = document.getElementById('aside'); + + if (data.length) { + data.forEach(item => { + let section; + switch(item.type) { + case 'links': + section = generateLinks(item); + break; + case 'table': + section = generateTable(item); + break; + case 'text': + section = generateText(item); + break; + case 'image': + section = generateImage(item); + break; + case 'badge': + section = generateBadge(item); + break; + // case 'feed': + // section = generateFeed(item); + // break; + default: + break; + } + + if (section) { + aside.appendChild(section); + } + }); + } +} +})(); diff --git a/assets/views/images/feed.svg b/assets/views/images/feed.svg new file mode 100644 index 00000000..09330edc --- /dev/null +++ b/assets/views/images/feed.svg @@ -0,0 +1,12 @@ + + + + feed + Created with Sketch. + + + + + + + \ No newline at end of file diff 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This is platform-dependent and may be overwritten. + */ + isReservedTag: no, + + /** + * Check if an attribute is reserved so that it cannot be used as a component + * prop. This is platform-dependent and may be overwritten. + */ + isReservedAttr: no, + + /** + * Check if a tag is an unknown element. + * Platform-dependent. + */ + isUnknownElement: no, + + /** + * Get the namespace of an element + */ + getTagNamespace: noop, + + /** + * Parse the real tag name for the specific platform. + */ + parsePlatformTagName: identity, + + /** + * Check if an attribute must be bound using property, e.g. value + * Platform-dependent. + */ + mustUseProp: no, + + /** + * Exposed for legacy reasons + */ + _lifecycleHooks: LIFECYCLE_HOOKS +}) + +/* */ + +/** + * Check if a string starts with $ or _ + */ +function isReserved (str) { + var c = (str + '').charCodeAt(0); + return c === 0x24 || c === 0x5F +} + +/** + * Define a property. + */ +function def (obj, key, val, enumerable) { + Object.defineProperty(obj, key, { + value: val, + enumerable: !!enumerable, + writable: true, + configurable: true + }); +} + +/** + * Parse simple path. + */ +var bailRE = /[^\w.$]/; +function parsePath (path) { + if (bailRE.test(path)) { + return + } + var segments = path.split('.'); + return function (obj) { + for (var i = 0; i < segments.length; i++) { + if (!obj) { return } + obj = obj[segments[i]]; + } + return obj + } +} + +/* */ + +// can we use __proto__? +var hasProto = '__proto__' in {}; + +// Browser environment sniffing +var inBrowser = typeof window !== 'undefined'; +var inWeex = typeof WXEnvironment !== 'undefined' && !!WXEnvironment.platform; +var weexPlatform = inWeex && WXEnvironment.platform.toLowerCase(); +var UA = inBrowser && window.navigator.userAgent.toLowerCase(); +var isIE = UA && /msie|trident/.test(UA); +var isIE9 = UA && UA.indexOf('msie 9.0') > 0; +var isEdge = UA && UA.indexOf('edge/') > 0; +var isAndroid = (UA && UA.indexOf('android') > 0) || (weexPlatform === 'android'); +var isIOS = (UA && /iphone|ipad|ipod|ios/.test(UA)) || (weexPlatform === 'ios'); +var isChrome = UA && /chrome\/\d+/.test(UA) && !isEdge; + +// Firefox has a "watch" function on Object.prototype... +var nativeWatch = ({}).watch; + +var supportsPassive = false; +if (inBrowser) { + try { + var opts = {}; + Object.defineProperty(opts, 'passive', ({ + get: function get () { + /* istanbul ignore next */ + supportsPassive = true; + } + })); // https://github.com/facebook/flow/issues/285 + window.addEventListener('test-passive', null, opts); + } catch (e) {} +} + +// this needs to be lazy-evaled because vue may be required before +// vue-server-renderer can set VUE_ENV +var _isServer; +var isServerRendering = function () { + if (_isServer === undefined) { + /* istanbul ignore if */ + if (!inBrowser && !inWeex && typeof global !== 'undefined') { + // detect presence of vue-server-renderer and avoid + // Webpack shimming the process + _isServer = global['process'].env.VUE_ENV === 'server'; + } else { + _isServer = false; + } + } + return _isServer +}; + +// detect devtools +var devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__; + +/* istanbul ignore next */ +function isNative (Ctor) { + return typeof Ctor === 'function' && /native code/.test(Ctor.toString()) +} + +var hasSymbol = + typeof Symbol !== 'undefined' && isNative(Symbol) && + typeof Reflect !== 'undefined' && isNative(Reflect.ownKeys); + +var _Set; +/* istanbul ignore if */ // $flow-disable-line +if (typeof Set !== 'undefined' && isNative(Set)) { + // use native Set when available. + _Set = Set; +} else { + // a non-standard Set polyfill that only works with primitive keys. + _Set = (function () { + function Set () { + this.set = Object.create(null); + } + Set.prototype.has = function has (key) { + return this.set[key] === true + }; + Set.prototype.add = function add (key) { + this.set[key] = true; + }; + Set.prototype.clear = function clear () { + this.set = Object.create(null); + }; + + return Set; + }()); +} + +/* */ + +var warn = noop; +var tip = noop; +var generateComponentTrace = (noop); // work around flow check +var formatComponentName = (noop); + +{ + var hasConsole = typeof console !== 'undefined'; + var classifyRE = /(?:^|[-_])(\w)/g; + var classify = function (str) { return str + .replace(classifyRE, function (c) { return c.toUpperCase(); }) + .replace(/[-_]/g, ''); }; + + warn = function (msg, vm) { + var trace = vm ? generateComponentTrace(vm) : ''; + + if (config.warnHandler) { + config.warnHandler.call(null, msg, vm, trace); + } else if (hasConsole && (!config.silent)) { + console.error(("[Vue warn]: " + msg + trace)); + } + }; + + tip = function (msg, vm) { + if (hasConsole && (!config.silent)) { + console.warn("[Vue tip]: " + msg + ( + vm ? generateComponentTrace(vm) : '' + )); + } + }; + + formatComponentName = function (vm, includeFile) { + if (vm.$root === vm) { + return '' + } + var options = typeof vm === 'function' && vm.cid != null + ? vm.options + : vm._isVue + ? vm.$options || vm.constructor.options + : vm || {}; + var name = options.name || options._componentTag; + var file = options.__file; + if (!name && file) { + var match = file.match(/([^/\\]+)\.vue$/); + name = match && match[1]; + } + + return ( + (name ? ("<" + (classify(name)) + ">") : "") + + (file && includeFile !== false ? (" at " + file) : '') + ) + }; + + var repeat = function (str, n) { + var res = ''; + while (n) { + if (n % 2 === 1) { res += str; } + if (n > 1) { str += str; } + n >>= 1; + } + return res + }; + + generateComponentTrace = function (vm) { + if (vm._isVue && vm.$parent) { + var tree = []; + var currentRecursiveSequence = 0; + while (vm) { + if (tree.length > 0) { + var last = tree[tree.length - 1]; + if (last.constructor === vm.constructor) { + currentRecursiveSequence++; + vm = vm.$parent; + continue + } else if (currentRecursiveSequence > 0) { + tree[tree.length - 1] = [last, currentRecursiveSequence]; + currentRecursiveSequence = 0; + } + } + tree.push(vm); + vm = vm.$parent; + } + return '\n\nfound in\n\n' + tree + .map(function (vm, i) { return ("" + (i === 0 ? '---> ' : repeat(' ', 5 + i * 2)) + (Array.isArray(vm) + ? ((formatComponentName(vm[0])) + "... (" + (vm[1]) + " recursive calls)") + : formatComponentName(vm))); }) + .join('\n') + } else { + return ("\n\n(found in " + (formatComponentName(vm)) + ")") + } + }; +} + +/* */ + + +var uid = 0; + +/** + * A dep is an observable that can have multiple + * directives subscribing to it. + */ +var Dep = function Dep () { + this.id = uid++; + this.subs = []; +}; + +Dep.prototype.addSub = function addSub (sub) { + this.subs.push(sub); +}; + +Dep.prototype.removeSub = function removeSub (sub) { + remove(this.subs, sub); +}; + +Dep.prototype.depend = function depend () { + if (Dep.target) { + Dep.target.addDep(this); + } +}; + +Dep.prototype.notify = function notify () { + // stabilize the subscriber list first + var subs = this.subs.slice(); + for (var i = 0, l = subs.length; i < l; i++) { + subs[i].update(); + } +}; + +// the current target watcher being evaluated. +// this is globally unique because there could be only one +// watcher being evaluated at any time. +Dep.target = null; +var targetStack = []; + +function pushTarget (_target) { + if (Dep.target) { targetStack.push(Dep.target); } + Dep.target = _target; +} + +function popTarget () { + Dep.target = targetStack.pop(); +} + +/* */ + +var VNode = function VNode ( + tag, + data, + children, + text, + elm, + context, + componentOptions, + asyncFactory +) { + this.tag = tag; + this.data = data; + this.children = children; + this.text = text; + this.elm = elm; + this.ns = undefined; + this.context = context; + this.fnContext = undefined; + this.fnOptions = undefined; + this.fnScopeId = undefined; + this.key = data && data.key; + this.componentOptions = componentOptions; + this.componentInstance = undefined; + this.parent = undefined; + this.raw = false; + this.isStatic = false; + this.isRootInsert = true; + this.isComment = false; + this.isCloned = false; + this.isOnce = false; + this.asyncFactory = asyncFactory; + this.asyncMeta = undefined; + this.isAsyncPlaceholder = false; +}; + +var prototypeAccessors = { child: { configurable: true } }; + +// DEPRECATED: alias for componentInstance for backwards compat. +/* istanbul ignore next */ +prototypeAccessors.child.get = function () { + return this.componentInstance +}; + +Object.defineProperties( VNode.prototype, prototypeAccessors ); + +var createEmptyVNode = function (text) { + if ( text === void 0 ) text = ''; + + var node = new VNode(); + node.text = text; + node.isComment = true; + return node +}; + +function createTextVNode (val) { + return new VNode(undefined, undefined, undefined, String(val)) +} + +// optimized shallow clone +// used for static nodes and slot nodes because they may be reused across +// multiple renders, cloning them avoids errors when DOM manipulations rely +// on their elm reference. +function cloneVNode (vnode) { + var cloned = new VNode( + vnode.tag, + vnode.data, + vnode.children, + vnode.text, + vnode.elm, + vnode.context, + vnode.componentOptions, + vnode.asyncFactory + ); + cloned.ns = vnode.ns; + cloned.isStatic = vnode.isStatic; + cloned.key = vnode.key; + cloned.isComment = vnode.isComment; + cloned.fnContext = vnode.fnContext; + cloned.fnOptions = vnode.fnOptions; + cloned.fnScopeId = vnode.fnScopeId; + cloned.isCloned = true; + return cloned +} + +/* + * not type checking this file because flow doesn't play well with + * dynamically accessing methods on Array prototype + */ + +var arrayProto = Array.prototype; +var arrayMethods = Object.create(arrayProto); + +var methodsToPatch = [ + 'push', + 'pop', + 'shift', + 'unshift', + 'splice', + 'sort', + 'reverse' +]; + +/** + * Intercept mutating methods and emit events + */ +methodsToPatch.forEach(function (method) { + // cache original method + var original = arrayProto[method]; + def(arrayMethods, method, function mutator () { + var args = [], len = arguments.length; + while ( len-- ) args[ len ] = arguments[ len ]; + + var result = original.apply(this, args); + var ob = this.__ob__; + var inserted; + switch (method) { + case 'push': + case 'unshift': + inserted = args; + break + case 'splice': + inserted = args.slice(2); + break + } + if (inserted) { ob.observeArray(inserted); } + // notify change + ob.dep.notify(); + return result + }); +}); + +/* */ + +var arrayKeys = Object.getOwnPropertyNames(arrayMethods); + +/** + * In some cases we may want to disable observation inside a component's + * update computation. + */ +var shouldObserve = true; + +function toggleObserving (value) { + shouldObserve = value; +} + +/** + * Observer class that is attached to each observed + * object. Once attached, the observer converts the target + * object's property keys into getter/setters that + * collect dependencies and dispatch updates. + */ +var Observer = function Observer (value) { + this.value = value; + this.dep = new Dep(); + this.vmCount = 0; + def(value, '__ob__', this); + if (Array.isArray(value)) { + var augment = hasProto + ? protoAugment + : copyAugment; + augment(value, arrayMethods, arrayKeys); + this.observeArray(value); + } else { + this.walk(value); + } +}; + +/** + * Walk through each property and convert them into + * getter/setters. This method should only be called when + * value type is Object. + */ +Observer.prototype.walk = function walk (obj) { + var keys = Object.keys(obj); + for (var i = 0; i < keys.length; i++) { + defineReactive(obj, keys[i]); + } +}; + +/** + * Observe a list of Array items. + */ +Observer.prototype.observeArray = function observeArray (items) { + for (var i = 0, l = items.length; i < l; i++) { + observe(items[i]); + } +}; + +// helpers + +/** + * Augment an target Object or Array by intercepting + * the prototype chain using __proto__ + */ +function protoAugment (target, src, keys) { + /* eslint-disable no-proto */ + target.__proto__ = src; + /* eslint-enable no-proto */ +} + +/** + * Augment an target Object or Array by defining + * hidden properties. + */ +/* istanbul ignore next */ +function copyAugment (target, src, keys) { + for (var i = 0, l = keys.length; i < l; i++) { + var key = keys[i]; + def(target, key, src[key]); + } +} + +/** + * Attempt to create an observer instance for a value, + * returns the new observer if successfully observed, + * or the existing observer if the value already has one. + */ +function observe (value, asRootData) { + if (!isObject(value) || value instanceof VNode) { + return + } + var ob; + if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) { + ob = value.__ob__; + } else if ( + shouldObserve && + !isServerRendering() && + (Array.isArray(value) || isPlainObject(value)) && + Object.isExtensible(value) && + !value._isVue + ) { + ob = new Observer(value); + } + if (asRootData && ob) { + ob.vmCount++; + } + return ob +} + +/** + * Define a reactive property on an Object. + */ +function defineReactive ( + obj, + key, + val, + customSetter, + shallow +) { + var dep = new Dep(); + + var property = Object.getOwnPropertyDescriptor(obj, key); + if (property && property.configurable === false) { + return + } + + // cater for pre-defined getter/setters + var getter = property && property.get; + if (!getter && arguments.length === 2) { + val = obj[key]; + } + var setter = property && property.set; + + var childOb = !shallow && observe(val); + Object.defineProperty(obj, key, { + enumerable: true, + configurable: true, + get: function reactiveGetter () { + var value = getter ? getter.call(obj) : val; + if (Dep.target) { + dep.depend(); + if (childOb) { + childOb.dep.depend(); + if (Array.isArray(value)) { + dependArray(value); + } + } + } + return value + }, + set: function reactiveSetter (newVal) { + var value = getter ? getter.call(obj) : val; + /* eslint-disable no-self-compare */ + if (newVal === value || (newVal !== newVal && value !== value)) { + return + } + /* eslint-enable no-self-compare */ + if ("development" !== 'production' && customSetter) { + customSetter(); + } + if (setter) { + setter.call(obj, newVal); + } else { + val = newVal; + } + childOb = !shallow && observe(newVal); + dep.notify(); + } + }); +} + +/** + * Set a property on an object. Adds the new property and + * triggers change notification if the property doesn't + * already exist. + */ +function set (target, key, val) { + if ("development" !== 'production' && + (isUndef(target) || isPrimitive(target)) + ) { + warn(("Cannot set reactive property on undefined, null, or primitive value: " + ((target)))); + } + if (Array.isArray(target) && isValidArrayIndex(key)) { + target.length = Math.max(target.length, key); + target.splice(key, 1, val); + return val + } + if (key in target && !(key in Object.prototype)) { + target[key] = val; + return val + } + var ob = (target).__ob__; + if (target._isVue || (ob && ob.vmCount)) { + "development" !== 'production' && warn( + 'Avoid adding reactive properties to a Vue instance or its root $data ' + + 'at runtime - declare it upfront in the data option.' + ); + return val + } + if (!ob) { + target[key] = val; + return val + } + defineReactive(ob.value, key, val); + ob.dep.notify(); + return val +} + +/** + * Delete a property and trigger change if necessary. + */ +function del (target, key) { + if ("development" !== 'production' && + (isUndef(target) || isPrimitive(target)) + ) { + warn(("Cannot delete reactive property on undefined, null, or primitive value: " + ((target)))); + } + if (Array.isArray(target) && isValidArrayIndex(key)) { + target.splice(key, 1); + return + } + var ob = (target).__ob__; + if (target._isVue || (ob && ob.vmCount)) { + "development" !== 'production' && warn( + 'Avoid deleting properties on a Vue instance or its root $data ' + + '- just set it to null.' + ); + return + } + if (!hasOwn(target, key)) { + return + } + delete target[key]; + if (!ob) { + return + } + ob.dep.notify(); +} + +/** + * Collect dependencies on array elements when the array is touched, since + * we cannot intercept array element access like property getters. + */ +function dependArray (value) { + for (var e = (void 0), i = 0, l = value.length; i < l; i++) { + e = value[i]; + e && e.__ob__ && e.__ob__.dep.depend(); + if (Array.isArray(e)) { + dependArray(e); + } + } +} + +/* */ + +/** + * Option overwriting strategies are functions that handle + * how to merge a parent option value and a child option + * value into the final value. + */ +var strats = config.optionMergeStrategies; + +/** + * Options with restrictions + */ +{ + strats.el = strats.propsData = function (parent, child, vm, key) { + if (!vm) { + warn( + "option \"" + key + "\" can only be used during instance " + + 'creation with the `new` keyword.' + ); + } + return defaultStrat(parent, child) + }; +} + +/** + * Helper that recursively merges two data objects together. + */ +function mergeData (to, from) { + if (!from) { return to } + var key, toVal, fromVal; + var keys = Object.keys(from); + for (var i = 0; i < keys.length; i++) { + key = keys[i]; + toVal = to[key]; + fromVal = from[key]; + if (!hasOwn(to, key)) { + set(to, key, fromVal); + } else if (isPlainObject(toVal) && isPlainObject(fromVal)) { + mergeData(toVal, fromVal); + } + } + return to +} + +/** + * Data + */ +function mergeDataOrFn ( + parentVal, + childVal, + vm +) { + if (!vm) { + // in a Vue.extend merge, both should be functions + if (!childVal) { + return parentVal + } + if (!parentVal) { + return childVal + } + // when parentVal & childVal are both present, + // we need to return a function that returns the + // merged result of both functions... no need to + // check if parentVal is a function here because + // it has to be a function to pass previous merges. + return function mergedDataFn () { + return mergeData( + typeof childVal === 'function' ? childVal.call(this, this) : childVal, + typeof parentVal === 'function' ? parentVal.call(this, this) : parentVal + ) + } + } else { + return function mergedInstanceDataFn () { + // instance merge + var instanceData = typeof childVal === 'function' + ? childVal.call(vm, vm) + : childVal; + var defaultData = typeof parentVal === 'function' + ? parentVal.call(vm, vm) + : parentVal; + if (instanceData) { + return mergeData(instanceData, defaultData) + } else { + return defaultData + } + } + } +} + +strats.data = function ( + parentVal, + childVal, + vm +) { + if (!vm) { + if (childVal && typeof childVal !== 'function') { + "development" !== 'production' && warn( + 'The "data" option should be a function ' + + 'that returns a per-instance value in component ' + + 'definitions.', + vm + ); + + return parentVal + } + return mergeDataOrFn(parentVal, childVal) + } + + return mergeDataOrFn(parentVal, childVal, vm) +}; + +/** + * Hooks and props are merged as arrays. + */ +function mergeHook ( + parentVal, + childVal +) { + return childVal + ? parentVal + ? parentVal.concat(childVal) + : Array.isArray(childVal) + ? childVal + : [childVal] + : parentVal +} + +LIFECYCLE_HOOKS.forEach(function (hook) { + strats[hook] = mergeHook; +}); + +/** + * Assets + * + * When a vm is present (instance creation), we need to do + * a three-way merge between constructor options, instance + * options and parent options. + */ +function mergeAssets ( + parentVal, + childVal, + vm, + key +) { + var res = Object.create(parentVal || null); + if (childVal) { + "development" !== 'production' && assertObjectType(key, childVal, vm); + return extend(res, childVal) + } else { + return res + } +} + +ASSET_TYPES.forEach(function (type) { + strats[type + 's'] = mergeAssets; +}); + +/** + * Watchers. + * + * Watchers hashes should not overwrite one + * another, so we merge them as arrays. + */ +strats.watch = function ( + parentVal, + childVal, + vm, + key +) { + // work around Firefox's Object.prototype.watch... + if (parentVal === nativeWatch) { parentVal = undefined; } + if (childVal === nativeWatch) { childVal = undefined; } + /* istanbul ignore if */ + if (!childVal) { return Object.create(parentVal || null) } + { + assertObjectType(key, childVal, vm); + } + if (!parentVal) { return childVal } + var ret = {}; + extend(ret, parentVal); + for (var key$1 in childVal) { + var parent = ret[key$1]; + var child = childVal[key$1]; + if (parent && !Array.isArray(parent)) { + parent = [parent]; + } + ret[key$1] = parent + ? parent.concat(child) + : Array.isArray(child) ? child : [child]; + } + return ret +}; + +/** + * Other object hashes. + */ +strats.props = +strats.methods = +strats.inject = +strats.computed = function ( + parentVal, + childVal, + vm, + key +) { + if (childVal && "development" !== 'production') { + assertObjectType(key, childVal, vm); + } + if (!parentVal) { return childVal } + var ret = Object.create(null); + extend(ret, parentVal); + if (childVal) { extend(ret, childVal); } + return ret +}; +strats.provide = mergeDataOrFn; + +/** + * Default strategy. + */ +var defaultStrat = function (parentVal, childVal) { + return childVal === undefined + ? parentVal + : childVal +}; + +/** + * Validate component names + */ +function checkComponents (options) { + for (var key in options.components) { + validateComponentName(key); + } +} + +function validateComponentName (name) { + if (!/^[a-zA-Z][\w-]*$/.test(name)) { + warn( + 'Invalid component name: "' + name + '". Component names ' + + 'can only contain alphanumeric characters and the hyphen, ' + + 'and must start with a letter.' + ); + } + if (isBuiltInTag(name) || config.isReservedTag(name)) { + warn( + 'Do not use built-in or reserved HTML elements as component ' + + 'id: ' + name + ); + } +} + +/** + * Ensure all props option syntax are normalized into the + * Object-based format. + */ +function normalizeProps (options, vm) { + var props = options.props; + if (!props) { return } + var res = {}; + var i, val, name; + if (Array.isArray(props)) { + i = props.length; + while (i--) { + val = props[i]; + if (typeof val === 'string') { + name = camelize(val); + res[name] = { type: null }; + } else { + warn('props must be strings when using array syntax.'); + } + } + } else if (isPlainObject(props)) { + for (var key in props) { + val = props[key]; + name = camelize(key); + res[name] = isPlainObject(val) + ? val + : { type: val }; + } + } else { + warn( + "Invalid value for option \"props\": expected an Array or an Object, " + + "but got " + (toRawType(props)) + ".", + vm + ); + } + options.props = res; +} + +/** + * Normalize all injections into Object-based format + */ +function normalizeInject (options, vm) { + var inject = options.inject; + if (!inject) { return } + var normalized = options.inject = {}; + if (Array.isArray(inject)) { + for (var i = 0; i < inject.length; i++) { + normalized[inject[i]] = { from: inject[i] }; + } + } else if (isPlainObject(inject)) { + for (var key in inject) { + var val = inject[key]; + normalized[key] = isPlainObject(val) + ? extend({ from: key }, val) + : { from: val }; + } + } else { + warn( + "Invalid value for option \"inject\": expected an Array or an Object, " + + "but got " + (toRawType(inject)) + ".", + vm + ); + } +} + +/** + * Normalize raw function directives into object format. + */ +function normalizeDirectives (options) { + var dirs = options.directives; + if (dirs) { + for (var key in dirs) { + var def = dirs[key]; + if (typeof def === 'function') { + dirs[key] = { bind: def, update: def }; + } + } + } +} + +function assertObjectType (name, value, vm) { + if (!isPlainObject(value)) { + warn( + "Invalid value for option \"" + name + "\": expected an Object, " + + "but got " + (toRawType(value)) + ".", + vm + ); + } +} + +/** + * Merge two option objects into a new one. + * Core utility used in both instantiation and inheritance. + */ +function mergeOptions ( + parent, + child, + vm +) { + { + checkComponents(child); + } + + if (typeof child === 'function') { + child = child.options; + } + + normalizeProps(child, vm); + normalizeInject(child, vm); + normalizeDirectives(child); + var extendsFrom = child.extends; + if (extendsFrom) { + parent = mergeOptions(parent, extendsFrom, vm); + } + if (child.mixins) { + for (var i = 0, l = child.mixins.length; i < l; i++) { + parent = mergeOptions(parent, child.mixins[i], vm); + } + } + var options = {}; + var key; + for (key in parent) { + mergeField(key); + } + for (key in child) { + if (!hasOwn(parent, key)) { + mergeField(key); + } + } + function mergeField (key) { + var strat = strats[key] || defaultStrat; + options[key] = strat(parent[key], child[key], vm, key); + } + return options +} + +/** + * Resolve an asset. + * This function is used because child instances need access + * to assets defined in its ancestor chain. + */ +function resolveAsset ( + options, + type, + id, + warnMissing +) { + /* istanbul ignore if */ + if (typeof id !== 'string') { + return + } + var assets = options[type]; + // check local registration variations first + if (hasOwn(assets, id)) { return assets[id] } + var camelizedId = camelize(id); + if (hasOwn(assets, camelizedId)) { return assets[camelizedId] } + var PascalCaseId = capitalize(camelizedId); + if (hasOwn(assets, PascalCaseId)) { return assets[PascalCaseId] } + // fallback to prototype chain + var res = assets[id] || assets[camelizedId] || assets[PascalCaseId]; + if ("development" !== 'production' && warnMissing && !res) { + warn( + 'Failed to resolve ' + type.slice(0, -1) + ': ' + id, + options + ); + } + return res +} + +/* */ + +function validateProp ( + key, + propOptions, + propsData, + vm +) { + var prop = propOptions[key]; + var absent = !hasOwn(propsData, key); + var value = propsData[key]; + // boolean casting + var booleanIndex = getTypeIndex(Boolean, prop.type); + if (booleanIndex > -1) { + if (absent && !hasOwn(prop, 'default')) { + value = false; + } else if (value === '' || value === hyphenate(key)) { + // only cast empty string / same name to boolean if + // boolean has higher priority + var stringIndex = getTypeIndex(String, prop.type); + if (stringIndex < 0 || booleanIndex < stringIndex) { + value = true; + } + } + } + // check default value + if (value === undefined) { + value = getPropDefaultValue(vm, prop, key); + // since the default value is a fresh copy, + // make sure to observe it. + var prevShouldObserve = shouldObserve; + toggleObserving(true); + observe(value); + toggleObserving(prevShouldObserve); + } + { + assertProp(prop, key, value, vm, absent); + } + return value +} + +/** + * Get the default value of a prop. + */ +function getPropDefaultValue (vm, prop, key) { + // no default, return undefined + if (!hasOwn(prop, 'default')) { + return undefined + } + var def = prop.default; + // warn against non-factory defaults for Object & Array + if ("development" !== 'production' && isObject(def)) { + warn( + 'Invalid default value for prop "' + key + '": ' + + 'Props with type Object/Array must use a factory function ' + + 'to return the default value.', + vm + ); + } + // the raw prop value was also undefined from previous render, + // return previous default value to avoid unnecessary watcher trigger + if (vm && vm.$options.propsData && + vm.$options.propsData[key] === undefined && + vm._props[key] !== undefined + ) { + return vm._props[key] + } + // call factory function for non-Function types + // a value is Function if its prototype is function even across different execution context + return typeof def === 'function' && getType(prop.type) !== 'Function' + ? def.call(vm) + : def +} + +/** + * Assert whether a prop is valid. + */ +function assertProp ( + prop, + name, + value, + vm, + absent +) { + if (prop.required && absent) { + warn( + 'Missing required prop: "' + name + '"', + vm + ); + return + } + if (value == null && !prop.required) { + return + } + var type = prop.type; + var valid = !type || type === true; + var expectedTypes = []; + if (type) { + if (!Array.isArray(type)) { + type = [type]; + } + for (var i = 0; i < type.length && !valid; i++) { + var assertedType = assertType(value, type[i]); + expectedTypes.push(assertedType.expectedType || ''); + valid = assertedType.valid; + } + } + if (!valid) { + warn( + "Invalid prop: type check failed for prop \"" + name + "\"." + + " Expected " + (expectedTypes.map(capitalize).join(', ')) + + ", got " + (toRawType(value)) + ".", + vm + ); + return + } + var validator = prop.validator; + if (validator) { + if (!validator(value)) { + warn( + 'Invalid prop: custom validator check failed for prop "' + name + '".', + vm + ); + } + } +} + +var simpleCheckRE = /^(String|Number|Boolean|Function|Symbol)$/; + +function assertType (value, type) { + var valid; + var expectedType = getType(type); + if (simpleCheckRE.test(expectedType)) { + var t = typeof value; + valid = t === expectedType.toLowerCase(); + // for primitive wrapper objects + if (!valid && t === 'object') { + valid = value instanceof type; + } + } else if (expectedType === 'Object') { + valid = isPlainObject(value); + } else if (expectedType === 'Array') { + valid = Array.isArray(value); + } else { + valid = value instanceof type; + } + return { + valid: valid, + expectedType: expectedType + } +} + +/** + * Use function string name to check built-in types, + * because a simple equality check will fail when running + * across different vms / iframes. + */ +function getType (fn) { + var match = fn && fn.toString().match(/^\s*function (\w+)/); + return match ? match[1] : '' +} + +function isSameType (a, b) { + return getType(a) === getType(b) +} + +function getTypeIndex (type, expectedTypes) { + if (!Array.isArray(expectedTypes)) { + return isSameType(expectedTypes, type) ? 0 : -1 + } + for (var i = 0, len = expectedTypes.length; i < len; i++) { + if (isSameType(expectedTypes[i], type)) { + return i + } + } + return -1 +} + +/* */ + +function handleError (err, vm, info) { + if (vm) { + var cur = vm; + while ((cur = cur.$parent)) { + var hooks = cur.$options.errorCaptured; + if (hooks) { + for (var i = 0; i < hooks.length; i++) { + try { + var capture = hooks[i].call(cur, err, vm, info) === false; + if (capture) { return } + } catch (e) { + globalHandleError(e, cur, 'errorCaptured hook'); + } + } + } + } + } + globalHandleError(err, vm, info); +} + +function globalHandleError (err, vm, info) { + if (config.errorHandler) { + try { + return config.errorHandler.call(null, err, vm, info) + } catch (e) { + logError(e, null, 'config.errorHandler'); + } + } + logError(err, vm, info); +} + +function logError (err, vm, info) { + { + warn(("Error in " + info + ": \"" + (err.toString()) + "\""), vm); + } + /* istanbul ignore else */ + if ((inBrowser || inWeex) && typeof console !== 'undefined') { + console.error(err); + } else { + throw err + } +} + +/* */ +/* globals MessageChannel */ + +var callbacks = []; +var pending = false; + +function flushCallbacks () { + pending = false; + var copies = callbacks.slice(0); + callbacks.length = 0; + for (var i = 0; i < copies.length; i++) { + copies[i](); + } +} + +// Here we have async deferring wrappers using both microtasks and (macro) tasks. +// In < 2.4 we used microtasks everywhere, but there are some scenarios where +// microtasks have too high a priority and fire in between supposedly +// sequential events (e.g. #4521, #6690) or even between bubbling of the same +// event (#6566). However, using (macro) tasks everywhere also has subtle problems +// when state is changed right before repaint (e.g. #6813, out-in transitions). +// Here we use microtask by default, but expose a way to force (macro) task when +// needed (e.g. in event handlers attached by v-on). +var microTimerFunc; +var macroTimerFunc; +var useMacroTask = false; + +// Determine (macro) task defer implementation. +// Technically setImmediate should be the ideal choice, but it's only available +// in IE. The only polyfill that consistently queues the callback after all DOM +// events triggered in the same loop is by using MessageChannel. +/* istanbul ignore if */ +if (typeof setImmediate !== 'undefined' && isNative(setImmediate)) { + macroTimerFunc = function () { + setImmediate(flushCallbacks); + }; +} else if (typeof MessageChannel !== 'undefined' && ( + isNative(MessageChannel) || + // PhantomJS + MessageChannel.toString() === '[object MessageChannelConstructor]' +)) { + var channel = new MessageChannel(); + var port = channel.port2; + channel.port1.onmessage = flushCallbacks; + macroTimerFunc = function () { + port.postMessage(1); + }; +} else { + /* istanbul ignore next */ + macroTimerFunc = function () { + setTimeout(flushCallbacks, 0); + }; +} + +// Determine microtask defer implementation. +/* istanbul ignore next, $flow-disable-line */ +if (typeof Promise !== 'undefined' && isNative(Promise)) { + var p = Promise.resolve(); + microTimerFunc = function () { + p.then(flushCallbacks); + // in problematic UIWebViews, Promise.then doesn't completely break, but + // it can get stuck in a weird state where callbacks are pushed into the + // microtask queue but the queue isn't being flushed, until the browser + // needs to do some other work, e.g. handle a timer. Therefore we can + // "force" the microtask queue to be flushed by adding an empty timer. + if (isIOS) { setTimeout(noop); } + }; +} else { + // fallback to macro + microTimerFunc = macroTimerFunc; +} + +/** + * Wrap a function so that if any code inside triggers state change, + * the changes are queued using a (macro) task instead of a microtask. + */ +function withMacroTask (fn) { + return fn._withTask || (fn._withTask = function () { + useMacroTask = true; + var res = fn.apply(null, arguments); + useMacroTask = false; + return res + }) +} + +function nextTick (cb, ctx) { + var _resolve; + callbacks.push(function () { + if (cb) { + try { + cb.call(ctx); + } catch (e) { + handleError(e, ctx, 'nextTick'); + } + } else if (_resolve) { + _resolve(ctx); + } + }); + if (!pending) { + pending = true; + if (useMacroTask) { + macroTimerFunc(); + } else { + microTimerFunc(); + } + } + // $flow-disable-line + if (!cb && typeof Promise !== 'undefined') { + return new Promise(function (resolve) { + _resolve = resolve; + }) + } +} + +/* */ + +var mark; +var measure; + +{ + var perf = inBrowser && window.performance; + /* istanbul ignore if */ + if ( + perf && + perf.mark && + perf.measure && + perf.clearMarks && + perf.clearMeasures + ) { + mark = function (tag) { return perf.mark(tag); }; + measure = function (name, startTag, endTag) { + perf.measure(name, startTag, endTag); + perf.clearMarks(startTag); + perf.clearMarks(endTag); + perf.clearMeasures(name); + }; + } +} + +/* not type checking this file because flow doesn't play well with Proxy */ + +var initProxy; + +{ + var allowedGlobals = makeMap( + 'Infinity,undefined,NaN,isFinite,isNaN,' + + 'parseFloat,parseInt,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,' + + 'Math,Number,Date,Array,Object,Boolean,String,RegExp,Map,Set,JSON,Intl,' + + 'require' // for Webpack/Browserify + ); + + var warnNonPresent = function (target, key) { + warn( + "Property or method \"" + key + "\" is not defined on the instance but " + + 'referenced during render. Make sure that this property is reactive, ' + + 'either in the data option, or for class-based components, by ' + + 'initializing the property. ' + + 'See: https://vuejs.org/v2/guide/reactivity.html#Declaring-Reactive-Properties.', + target + ); + }; + + var hasProxy = + typeof Proxy !== 'undefined' && isNative(Proxy); + + if (hasProxy) { + var isBuiltInModifier = makeMap('stop,prevent,self,ctrl,shift,alt,meta,exact'); + config.keyCodes = new Proxy(config.keyCodes, { + set: function set (target, key, value) { + if (isBuiltInModifier(key)) { + warn(("Avoid overwriting built-in modifier in config.keyCodes: ." + key)); + return false + } else { + target[key] = value; + return true + } + } + }); + } + + var hasHandler = { + has: function has (target, key) { + var has = key in target; + var isAllowed = allowedGlobals(key) || key.charAt(0) === '_'; + if (!has && !isAllowed) { + warnNonPresent(target, key); + } + return has || !isAllowed + } + }; + + var getHandler = { + get: function get (target, key) { + if (typeof key === 'string' && !(key in target)) { + warnNonPresent(target, key); + } + return target[key] + } + }; + + initProxy = function initProxy (vm) { + if (hasProxy) { + // determine which proxy handler to use + var options = vm.$options; + var handlers = options.render && options.render._withStripped + ? getHandler + : hasHandler; + vm._renderProxy = new Proxy(vm, handlers); + } else { + vm._renderProxy = vm; + } + }; +} + +/* */ + +var seenObjects = new _Set(); + +/** + * Recursively traverse an object to evoke all converted + * getters, so that every nested property inside the object + * is collected as a "deep" dependency. + */ +function traverse (val) { + _traverse(val, seenObjects); + seenObjects.clear(); +} + +function _traverse (val, seen) { + var i, keys; + var isA = Array.isArray(val); + if ((!isA && !isObject(val)) || Object.isFrozen(val) || val instanceof VNode) { + return + } + if (val.__ob__) { + var depId = val.__ob__.dep.id; + if (seen.has(depId)) { + return + } + seen.add(depId); + } + if (isA) { + i = val.length; + while (i--) { _traverse(val[i], seen); } + } else { + keys = Object.keys(val); + i = keys.length; + while (i--) { _traverse(val[keys[i]], seen); } + } +} + +/* */ + +var normalizeEvent = cached(function (name) { + var passive = name.charAt(0) === '&'; + name = passive ? name.slice(1) : name; + var once$$1 = name.charAt(0) === '~'; // Prefixed last, checked first + name = once$$1 ? name.slice(1) : name; + var capture = name.charAt(0) === '!'; + name = capture ? name.slice(1) : name; + return { + name: name, + once: once$$1, + capture: capture, + passive: passive + } +}); + +function createFnInvoker (fns) { + function invoker () { + var arguments$1 = arguments; + + var fns = invoker.fns; + if (Array.isArray(fns)) { + var cloned = fns.slice(); + for (var i = 0; i < cloned.length; i++) { + cloned[i].apply(null, arguments$1); + } + } else { + // return handler return value for single handlers + return fns.apply(null, arguments) + } + } + invoker.fns = fns; + return invoker +} + +function updateListeners ( + on, + oldOn, + add, + remove$$1, + vm +) { + var name, def, cur, old, event; + for (name in on) { + def = cur = on[name]; + old = oldOn[name]; + event = normalizeEvent(name); + /* istanbul ignore if */ + if (isUndef(cur)) { + "development" !== 'production' && warn( + "Invalid handler for event \"" + (event.name) + "\": got " + String(cur), + vm + ); + } else if (isUndef(old)) { + if (isUndef(cur.fns)) { + cur = on[name] = createFnInvoker(cur); + } + add(event.name, cur, event.once, event.capture, event.passive, event.params); + } else if (cur !== old) { + old.fns = cur; + on[name] = old; + } + } + for (name in oldOn) { + if (isUndef(on[name])) { + event = normalizeEvent(name); + remove$$1(event.name, oldOn[name], event.capture); + } + } +} + +/* */ + +function mergeVNodeHook (def, hookKey, hook) { + if (def instanceof VNode) { + def = def.data.hook || (def.data.hook = {}); + } + var invoker; + var oldHook = def[hookKey]; + + function wrappedHook () { + hook.apply(this, arguments); + // important: remove merged hook to ensure it's called only once + // and prevent memory leak + remove(invoker.fns, wrappedHook); + } + + if (isUndef(oldHook)) { + // no existing hook + invoker = createFnInvoker([wrappedHook]); + } else { + /* istanbul ignore if */ + if (isDef(oldHook.fns) && isTrue(oldHook.merged)) { + // already a merged invoker + invoker = oldHook; + invoker.fns.push(wrappedHook); + } else { + // existing plain hook + invoker = createFnInvoker([oldHook, wrappedHook]); + } + } + + invoker.merged = true; + def[hookKey] = invoker; +} + +/* */ + +function extractPropsFromVNodeData ( + data, + Ctor, + tag +) { + // we are only extracting raw values here. + // validation and default values are handled in the child + // component itself. + var propOptions = Ctor.options.props; + if (isUndef(propOptions)) { + return + } + var res = {}; + var attrs = data.attrs; + var props = data.props; + if (isDef(attrs) || isDef(props)) { + for (var key in propOptions) { + var altKey = hyphenate(key); + { + var keyInLowerCase = key.toLowerCase(); + if ( + key !== keyInLowerCase && + attrs && hasOwn(attrs, keyInLowerCase) + ) { + tip( + "Prop \"" + keyInLowerCase + "\" is passed to component " + + (formatComponentName(tag || Ctor)) + ", but the declared prop name is" + + " \"" + key + "\". " + + "Note that HTML attributes are case-insensitive and camelCased " + + "props need to use their kebab-case equivalents when using in-DOM " + + "templates. You should probably use \"" + altKey + "\" instead of \"" + key + "\"." + ); + } + } + checkProp(res, props, key, altKey, true) || + checkProp(res, attrs, key, altKey, false); + } + } + return res +} + +function checkProp ( + res, + hash, + key, + altKey, + preserve +) { + if (isDef(hash)) { + if (hasOwn(hash, key)) { + res[key] = hash[key]; + if (!preserve) { + delete hash[key]; + } + return true + } else if (hasOwn(hash, altKey)) { + res[key] = hash[altKey]; + if (!preserve) { + delete hash[altKey]; + } + return true + } + } + return false +} + +/* */ + +// The template compiler attempts to minimize the need for normalization by +// statically analyzing the template at compile time. +// +// For plain HTML markup, normalization can be completely skipped because the +// generated render function is guaranteed to return Array. There are +// two cases where extra normalization is needed: + +// 1. When the children contains components - because a functional component +// may return an Array instead of a single root. In this case, just a simple +// normalization is needed - if any child is an Array, we flatten the whole +// thing with Array.prototype.concat. It is guaranteed to be only 1-level deep +// because functional components already normalize their own children. +function simpleNormalizeChildren (children) { + for (var i = 0; i < children.length; i++) { + if (Array.isArray(children[i])) { + return Array.prototype.concat.apply([], children) + } + } + return children +} + +// 2. When the children contains constructs that always generated nested Arrays, +// e.g.