diff --git a/hybrid-app/html/index.html b/hybrid-app/html/index.html new file mode 100644 index 0000000..c66026c --- /dev/null +++ b/hybrid-app/html/index.html @@ -0,0 +1,177 @@ + + + + + + mStream Music + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+
+ + + + + + + + + + + + + + + +
+
+ +
+
+ Music +
+
+ + File Explorer +
+
+ + Playlists +
+
+ + Albums +
+
+ + Artists +
+
+ + Recent +
+
+ + Rated +
+
+ + Search +
+
+ System +
+
+ + Auto DJ +
+
+ + Database +
+
+ + Servers +
+
+ + Admin Panel +
+
+ + Log Out +
+
+
+
+
+

File Explorer

+
+ + + + + +
+ + + +
+ + + + \ No newline at end of file diff --git a/hybrid-app/html/index.js b/hybrid-app/html/index.js new file mode 100644 index 0000000..2fbdf5f --- /dev/null +++ b/hybrid-app/html/index.js @@ -0,0 +1,39 @@ +const app = Vue.createApp({ + data() { return { + currentViewMain: 'file-explorer-view' + }}, + methods: { + toggleMenu(event) { + toggleSideMenu(); + } + } +}) + +const fileExplorerView = app.component('file-explorer-view', { + template: `
FILE EXPLORER
` +}); + +const nowPlayingView = app.component('now-playing-view', { + template: `
CURRENTLY PLAYING
` +}); + +const vm = app.mount('#content'); + +function changeView(viewName, el){ + if (vm.currentViewMain === viewName) { + closeSideMenu(); + return; + } + + vm.currentViewMain = viewName; + + const elements = document.querySelectorAll('.side-nav-item'); // or: + elements.forEach(elm => { + elm.classList.remove("select") + }); + + el.classList.add("select"); + + // close nav on mobile + closeSideMenu(); +} \ No newline at end of file diff --git a/hybrid-app/html/spa.css b/hybrid-app/html/spa.css new file mode 100644 index 0000000..cddbdc5 --- /dev/null +++ b/hybrid-app/html/spa.css @@ -0,0 +1,298 @@ +/* Responsive layout */ +html { + overflow: hidden; /* removes all scroll bars */ +} + +body { + min-height: 100vh; + width: 100vw; + + margin: 0; + display: flex; + flex-direction: row; + flex-wrap: wrap; + align-content: start; + + flex: 1; +} + +#nav-bar { + flex-basis: 100%; + flex-shrink: 0; + height: 80px; + background-color: #2e323d; + + display: flex; + justify-content: space-between; + color: #F5F7FA; + + display: flex; + flex-direction: column; +} + +#media-player-spacer { + flex: 0 0 10px; +} + +#media-player-tracking-bar { + flex: 0 0 20px; + background-color: #c3b46e; +} + +#media-player-button-bar { + flex: 0 0 50px; + + display: flex; + flex-direction: row; +} + +#sidenav { + background-color: #262a33; + overflow-y: auto; + user-select: none; + color: #F5F7FA; + + display: flex; + flex-direction: column; + + font-family: 'Jura', sans-serif; +} + +#sidenav-cover { + background-color: black; + opacity: 0; + position: fixed; + width: 100vw; + height: 100vh; + cursor: pointer; +} + +#sidenav-button { + display: none; + height: 100%; + cursor: pointer; + z-index: 1000000; +} + +#content { + background-color: #3c414e; + height: calc(calc(var(--vh, 1vh) * 100) - 80px); + + /* height: calc(100vh - 80px); */ + overflow-y: auto; + overflow-x: hidden; + flex-grow: 1; /* do not grow - initial value: 0 */ + flex-shrink: 0; /* do not shrink - initial value: 1 */ + flex-basis: inherit; /* width/height - initial value: auto */ +} + +#content-header { + width: 100%; + height: 60px; + + display: flex; + flex-direction: row; +} + +#content-header-spacer { + height:100%; + display: flex; + flex-grow: 1; +} + +.click-through { + pointer-events: none; +} + +.fade-in { + animation: fadeIn ease 400ms forwards; +} + +.fade-out { + animation: fadeOut ease 400ms forwards; +} + +.menu-in { + animation: menuOut ease 400ms forwards; +} + +.menu-out { + animation: menuIn ease 400ms forwards; +} + +/* On screens that are 600px wide or less, the background color is olive */ +@media screen and (max-width: 768px) { + #sidenav { + position: fixed; + height: 100vh; + width: 220px; + z-index: 100000; + + left: -220px; + } + + #sidenav-cover { + z-index: 50000; + } + + #content { + width: 100%; + flex-basis: auto; + } + + #sidenav-button { + display: inline; + } +} + +@keyframes fadeIn { + 0% { + opacity:0; + } + 100% { + opacity:.3; + } +} + +@keyframes fadeOut { + 0% { + opacity:0.3; + } + 100% { + opacity:0; + } +} + +@keyframes menuIn { + 0% { + left: -220px; + } + 100% { + left: 0px; + } +} + +@keyframes menuOut { + 0% { + left: 0px; + } + 100% { + left: -220px; + } +} + +@media screen and (min-width: 768px) { + #sidenav { + height: calc(calc(var(--vh, 1vh) * 100) - 80px); + overflow-y: auto; + flex-grow: 0; /* do not grow - initial value: 0 */ + flex-shrink: 0; /* do not shrink - initial value: 1 */ + flex-basis: 240px; /* width/height - initial value: auto */ + } + + #sidenav-cover { + visibility: hidden; + } +} + + +/* Animated menu button */ +/* Shamelessly stolen from: https://codepen.io/ainalem/pen/LJYRxz*/ +.ham { + cursor: pointer; + -webkit-tap-highlight-color: transparent; + transition: transform 400ms; + -moz-user-select: none; + -webkit-user-select: none; + -ms-user-select: none; + user-select: none; +} +.hamRotate.active { + transform: rotate(45deg); +} +.hamRotate180.active { + transform: rotate(180deg); +} +.line { + fill:none; + transition: stroke-dasharray 400ms, stroke-dashoffset 400ms; + stroke:#fff; + stroke-width:5.5; + stroke-linecap:round; +} +.ham5 .top { + stroke-dasharray: 40 82; +} +.ham5 .bottom { + stroke-dasharray: 40 82; +} +.ham5.active .top { + stroke-dasharray: 14 82; + stroke-dashoffset: -72px; +} +.ham5.active .bottom { + stroke-dasharray: 14 82; + stroke-dashoffset: -72px; +} + + +/* Sidenav Stuff */ +#sidenav svg { + fill: #fff; + height: 100%; + margin-right: 10px; + margin-left: 10px; +} + +.side-nav-header { + width: 100%; + min-height: 40px; + display: flex; + align-items: center; + font-weight: bold; +} + +.side-nav-header button { + background-color: rgb(101, 126, 228); + border-radius: 3px; + border: none; + font-weight: bold; + font-size: 14px; + text-align: center; + color: #FFF; + + width: 100%; + height: 40px; + margin: 10px; + + cursor: pointer; +} + +.side-nav-header button:hover { + filter: brightness(105%); +} + +.side-nav-item { + cursor: pointer; + width: 100%; + min-height: 35px; + + display: flex; + align-items: center; +} + +.side-nav-item:not(.select):hover { + background-color: #31353d; +} + +.side-nav-spacer { + width: 100%; + display: flex; + flex-grow: 1; +} + +.select { + color: #ffffff; + background-color: #31353d; + font-weight: bold; +} \ No newline at end of file diff --git a/hybrid-app/html/spa.js b/hybrid-app/html/spa.js new file mode 100644 index 0000000..626e212 --- /dev/null +++ b/hybrid-app/html/spa.js @@ -0,0 +1,39 @@ +document.getElementById("sidenav-cover").addEventListener("click", () => { + toggleSideMenu(); +}); + +console.log('EFEWSEFWEF') + +function toggleSideMenu() { + console.log('gferg') + document.getElementById("sidenav-cover").classList.toggle("click-through"); + + // Handles initial state rendered on page load + if (!document.getElementById("sidenav-cover").classList.contains("fade-in") && !document.getElementById("sidenav-cover").classList.contains("fade-out")) { + document.getElementById("sidenav-cover").classList.toggle("fade-in"); + } else { + document.getElementById("sidenav-cover").classList.toggle("fade-in"); + document.getElementById("sidenav-cover").classList.toggle("fade-out"); + } + + // Handles initial state rendered on page load + if (!document.getElementById("sidenav").classList.contains("menu-in") && !document.getElementById("sidenav").classList.contains("menu-out")) { + document.getElementById("sidenav").classList.toggle("menu-out"); + } else { + document.getElementById("sidenav").classList.toggle("menu-in"); + document.getElementById("sidenav").classList.toggle("menu-out"); + } + + document.getElementById("sidenav-button").classList.toggle('active'); +} + +function closeSideMenu() { + if (document.getElementById("sidenav").classList.contains("menu-out")) { + toggleSideMenu(); + } +} + +document.documentElement.style.setProperty('--vh', `${window.innerHeight/100}px`); +window.addEventListener("resize", () => { + document.documentElement.style.setProperty('--vh', `${window.innerHeight/100}px`); +}); diff --git a/hybrid-app/html/vue3.js b/hybrid-app/html/vue3.js new file mode 100644 index 0000000..ba021cf --- /dev/null +++ b/hybrid-app/html/vue3.js @@ -0,0 +1,13412 @@ +/* + vueJS v3.0.2 + from https://unpkg.com/vue@3.0.2/dist/vue.global.js +*/ +var Vue = (function (exports) { + 'use strict'; + + /** + * Make a map and return a function for checking if a key + * is in that map. + * IMPORTANT: all calls of this function must be prefixed with + * \/\*#\_\_PURE\_\_\*\/ + * So that rollup can tree-shake them if necessary. + */ + function makeMap(str, expectsLowerCase) { + const map = Object.create(null); + const list = str.split(','); + for (let i = 0; i < list.length; i++) { + map[list[i]] = true; + } + return expectsLowerCase ? val => !!map[val.toLowerCase()] : val => !!map[val]; + } + + // Patch flags are optimization hints generated by the compiler. + // when a block with dynamicChildren is encountered during diff, the algorithm + // enters "optimized mode". In this mode, we know that the vdom is produced by + // a render function generated by the compiler, so the algorithm only needs to + // handle updates explicitly marked by these patch flags. + // dev only flag -> name mapping + const PatchFlagNames = { + [1 /* TEXT */]: `TEXT`, + [2 /* CLASS */]: `CLASS`, + [4 /* STYLE */]: `STYLE`, + [8 /* PROPS */]: `PROPS`, + [16 /* FULL_PROPS */]: `FULL_PROPS`, + [32 /* HYDRATE_EVENTS */]: `HYDRATE_EVENTS`, + [64 /* STABLE_FRAGMENT */]: `STABLE_FRAGMENT`, + [128 /* KEYED_FRAGMENT */]: `KEYED_FRAGMENT`, + [256 /* UNKEYED_FRAGMENT */]: `UNKEYED_FRAGMENT`, + [1024 /* DYNAMIC_SLOTS */]: `DYNAMIC_SLOTS`, + [512 /* NEED_PATCH */]: `NEED_PATCH`, + [-1 /* HOISTED */]: `HOISTED`, + [-2 /* BAIL */]: `BAIL` + }; + + const GLOBALS_WHITE_LISTED = 'Infinity,undefined,NaN,isFinite,isNaN,parseFloat,parseInt,decodeURI,' + + 'decodeURIComponent,encodeURI,encodeURIComponent,Math,Number,Date,Array,' + + 'Object,Boolean,String,RegExp,Map,Set,JSON,Intl'; + const isGloballyWhitelisted = /*#__PURE__*/ makeMap(GLOBALS_WHITE_LISTED); + + const range = 2; + function generateCodeFrame(source, start = 0, end = source.length) { + const lines = source.split(/\r?\n/); + let count = 0; + const res = []; + for (let i = 0; i < lines.length; i++) { + count += lines[i].length + 1; + if (count >= start) { + for (let j = i - range; j <= i + range || end > count; j++) { + if (j < 0 || j >= lines.length) + continue; + const line = j + 1; + res.push(`${line}${' '.repeat(Math.max(3 - String(line).length, 0))}| ${lines[j]}`); + const lineLength = lines[j].length; + if (j === i) { + // push underline + const pad = start - (count - lineLength) + 1; + const length = Math.max(1, end > count ? lineLength - pad : end - start); + res.push(` | ` + ' '.repeat(pad) + '^'.repeat(length)); + } + else if (j > i) { + if (end > count) { + const length = Math.max(Math.min(end - count, lineLength), 1); + res.push(` | ` + '^'.repeat(length)); + } + count += lineLength + 1; + } + } + break; + } + } + return res.join('\n'); + } + + /** + * On the client we only need to offer special cases for boolean attributes that + * have different names from their corresponding dom properties: + * - itemscope -> N/A + * - allowfullscreen -> allowFullscreen + * - formnovalidate -> formNoValidate + * - ismap -> isMap + * - nomodule -> noModule + * - novalidate -> noValidate + * - readonly -> readOnly + */ + const specialBooleanAttrs = `itemscope,allowfullscreen,formnovalidate,ismap,nomodule,novalidate,readonly`; + const isSpecialBooleanAttr = /*#__PURE__*/ makeMap(specialBooleanAttrs); + + function normalizeStyle(value) { + if (isArray(value)) { + const res = {}; + for (let i = 0; i < value.length; i++) { + const item = value[i]; + const normalized = normalizeStyle(isString(item) ? parseStringStyle(item) : item); + if (normalized) { + for (const key in normalized) { + res[key] = normalized[key]; + } + } + } + return res; + } + else if (isObject(value)) { + return value; + } + } + const listDelimiterRE = /;(?![^(]*\))/g; + const propertyDelimiterRE = /:(.+)/; + function parseStringStyle(cssText) { + const ret = {}; + cssText.split(listDelimiterRE).forEach(item => { + if (item) { + const tmp = item.split(propertyDelimiterRE); + tmp.length > 1 && (ret[tmp[0].trim()] = tmp[1].trim()); + } + }); + return ret; + } + function normalizeClass(value) { + let res = ''; + if (isString(value)) { + res = value; + } + else if (isArray(value)) { + for (let i = 0; i < value.length; i++) { + res += normalizeClass(value[i]) + ' '; + } + } + else if (isObject(value)) { + for (const name in value) { + if (value[name]) { + res += name + ' '; + } + } + } + return res.trim(); + } + + // These tag configs are shared between compiler-dom and runtime-dom, so they + // https://developer.mozilla.org/en-US/docs/Web/HTML/Element + const HTML_TAGS = 'html,body,base,head,link,meta,style,title,address,article,aside,footer,' + + 'header,h1,h2,h3,h4,h5,h6,hgroup,nav,section,div,dd,dl,dt,figcaption,' + + 'figure,picture,hr,img,li,main,ol,p,pre,ul,a,b,abbr,bdi,bdo,br,cite,code,' + + 'data,dfn,em,i,kbd,mark,q,rp,rt,rtc,ruby,s,samp,small,span,strong,sub,sup,' + + 'time,u,var,wbr,area,audio,map,track,video,embed,object,param,source,' + + 'canvas,script,noscript,del,ins,caption,col,colgroup,table,thead,tbody,td,' + + 'th,tr,button,datalist,fieldset,form,input,label,legend,meter,optgroup,' + + 'option,output,progress,select,textarea,details,dialog,menu,' + + 'summary,template,blockquote,iframe,tfoot'; + // https://developer.mozilla.org/en-US/docs/Web/SVG/Element + const SVG_TAGS = 'svg,animate,animateMotion,animateTransform,circle,clipPath,color-profile,' + + 'defs,desc,discard,ellipse,feBlend,feColorMatrix,feComponentTransfer,' + + 'feComposite,feConvolveMatrix,feDiffuseLighting,feDisplacementMap,' + + 'feDistanceLight,feDropShadow,feFlood,feFuncA,feFuncB,feFuncG,feFuncR,' + + 'feGaussianBlur,feImage,feMerge,feMergeNode,feMorphology,feOffset,' + + 'fePointLight,feSpecularLighting,feSpotLight,feTile,feTurbulence,filter,' + + 'foreignObject,g,hatch,hatchpath,image,line,linearGradient,marker,mask,' + + 'mesh,meshgradient,meshpatch,meshrow,metadata,mpath,path,pattern,' + + 'polygon,polyline,radialGradient,rect,set,solidcolor,stop,switch,symbol,' + + 'text,textPath,title,tspan,unknown,use,view'; + const VOID_TAGS = 'area,base,br,col,embed,hr,img,input,link,meta,param,source,track,wbr'; + const isHTMLTag = /*#__PURE__*/ makeMap(HTML_TAGS); + const isSVGTag = /*#__PURE__*/ makeMap(SVG_TAGS); + const isVoidTag = /*#__PURE__*/ makeMap(VOID_TAGS); + + function looseCompareArrays(a, b) { + if (a.length !== b.length) + return false; + let equal = true; + for (let i = 0; equal && i < a.length; i++) { + equal = looseEqual(a[i], b[i]); + } + return equal; + } + function looseEqual(a, b) { + if (a === b) + return true; + let aValidType = isDate(a); + let bValidType = isDate(b); + if (aValidType || bValidType) { + return aValidType && bValidType ? a.getTime() === b.getTime() : false; + } + aValidType = isArray(a); + bValidType = isArray(b); + if (aValidType || bValidType) { + return aValidType && bValidType ? looseCompareArrays(a, b) : false; + } + aValidType = isObject(a); + bValidType = isObject(b); + if (aValidType || bValidType) { + /* istanbul ignore if: this if will probably never be called */ + if (!aValidType || !bValidType) { + return false; + } + const aKeysCount = Object.keys(a).length; + const bKeysCount = Object.keys(b).length; + if (aKeysCount !== bKeysCount) { + return false; + } + for (const key in a) { + const aHasKey = a.hasOwnProperty(key); + const bHasKey = b.hasOwnProperty(key); + if ((aHasKey && !bHasKey) || + (!aHasKey && bHasKey) || + !looseEqual(a[key], b[key])) { + return false; + } + } + } + return String(a) === String(b); + } + function looseIndexOf(arr, val) { + return arr.findIndex(item => looseEqual(item, val)); + } + + /** + * For converting {{ interpolation }} values to displayed strings. + * @private + */ + const toDisplayString = (val) => { + return val == null + ? '' + : isObject(val) + ? JSON.stringify(val, replacer, 2) + : String(val); + }; + const replacer = (_key, val) => { + if (isMap(val)) { + return { + [`Map(${val.size})`]: [...val.entries()].reduce((entries, [key, val]) => { + entries[`${key} =>`] = val; + return entries; + }, {}) + }; + } + else if (isSet(val)) { + return { + [`Set(${val.size})`]: [...val.values()] + }; + } + else if (isObject(val) && !isArray(val) && !isPlainObject(val)) { + return String(val); + } + return val; + }; + + const EMPTY_OBJ = Object.freeze({}) + ; + const EMPTY_ARR = Object.freeze([]) ; + const NOOP = () => { }; + /** + * Always return false. + */ + const NO = () => false; + const onRE = /^on[^a-z]/; + const isOn = (key) => onRE.test(key); + const isModelListener = (key) => key.startsWith('onUpdate:'); + const extend = Object.assign; + const remove = (arr, el) => { + const i = arr.indexOf(el); + if (i > -1) { + arr.splice(i, 1); + } + }; + const hasOwnProperty = Object.prototype.hasOwnProperty; + const hasOwn = (val, key) => hasOwnProperty.call(val, key); + const isArray = Array.isArray; + const isMap = (val) => toTypeString(val) === '[object Map]'; + const isSet = (val) => toTypeString(val) === '[object Set]'; + const isDate = (val) => val instanceof Date; + const isFunction = (val) => typeof val === 'function'; + const isString = (val) => typeof val === 'string'; + const isSymbol = (val) => typeof val === 'symbol'; + const isObject = (val) => val !== null && typeof val === 'object'; + const isPromise = (val) => { + return isObject(val) && isFunction(val.then) && isFunction(val.catch); + }; + const objectToString = Object.prototype.toString; + const toTypeString = (value) => objectToString.call(value); + const toRawType = (value) => { + // extract "RawType" from strings like "[object RawType]" + return toTypeString(value).slice(8, -1); + }; + const isPlainObject = (val) => toTypeString(val) === '[object Object]'; + const isIntegerKey = (key) => isString(key) && + key !== 'NaN' && + key[0] !== '-' && + '' + parseInt(key, 10) === key; + const isReservedProp = /*#__PURE__*/ makeMap( + // the leading comma is intentional so empty string "" is also included + ',key,ref,' + + 'onVnodeBeforeMount,onVnodeMounted,' + + 'onVnodeBeforeUpdate,onVnodeUpdated,' + + 'onVnodeBeforeUnmount,onVnodeUnmounted'); + const cacheStringFunction = (fn) => { + const cache = Object.create(null); + return ((str) => { + const hit = cache[str]; + return hit || (cache[str] = fn(str)); + }); + }; + const camelizeRE = /-(\w)/g; + /** + * @private + */ + const camelize = cacheStringFunction((str) => { + return str.replace(camelizeRE, (_, c) => (c ? c.toUpperCase() : '')); + }); + const hyphenateRE = /\B([A-Z])/g; + /** + * @private + */ + const hyphenate = cacheStringFunction((str) => str.replace(hyphenateRE, '-$1').toLowerCase()); + /** + * @private + */ + const capitalize = cacheStringFunction((str) => str.charAt(0).toUpperCase() + str.slice(1)); + /** + * @private + */ + const toHandlerKey = cacheStringFunction((str) => (str ? `on${capitalize(str)}` : ``)); + // compare whether a value has changed, accounting for NaN. + const hasChanged = (value, oldValue) => value !== oldValue && (value === value || oldValue === oldValue); + const invokeArrayFns = (fns, arg) => { + for (let i = 0; i < fns.length; i++) { + fns[i](arg); + } + }; + const def = (obj, key, value) => { + Object.defineProperty(obj, key, { + configurable: true, + enumerable: false, + value + }); + }; + const toNumber = (val) => { + const n = parseFloat(val); + return isNaN(n) ? val : n; + }; + let _globalThis; + const getGlobalThis = () => { + return (_globalThis || + (_globalThis = + typeof globalThis !== 'undefined' + ? globalThis + : typeof self !== 'undefined' + ? self + : typeof window !== 'undefined' + ? window + : typeof global !== 'undefined' + ? global + : {})); + }; + + const targetMap = new WeakMap(); + const effectStack = []; + let activeEffect; + const ITERATE_KEY = Symbol( 'iterate' ); + const MAP_KEY_ITERATE_KEY = Symbol( 'Map key iterate' ); + function isEffect(fn) { + return fn && fn._isEffect === true; + } + function effect(fn, options = EMPTY_OBJ) { + if (isEffect(fn)) { + fn = fn.raw; + } + const effect = createReactiveEffect(fn, options); + if (!options.lazy) { + effect(); + } + return effect; + } + function stop(effect) { + if (effect.active) { + cleanup(effect); + if (effect.options.onStop) { + effect.options.onStop(); + } + effect.active = false; + } + } + let uid = 0; + function createReactiveEffect(fn, options) { + const effect = function reactiveEffect() { + if (!effect.active) { + return options.scheduler ? undefined : fn(); + } + if (!effectStack.includes(effect)) { + cleanup(effect); + try { + enableTracking(); + effectStack.push(effect); + activeEffect = effect; + return fn(); + } + finally { + effectStack.pop(); + resetTracking(); + activeEffect = effectStack[effectStack.length - 1]; + } + } + }; + effect.id = uid++; + effect.allowRecurse = !!options.allowRecurse; + effect._isEffect = true; + effect.active = true; + effect.raw = fn; + effect.deps = []; + effect.options = options; + return effect; + } + function cleanup(effect) { + const { deps } = effect; + if (deps.length) { + for (let i = 0; i < deps.length; i++) { + deps[i].delete(effect); + } + deps.length = 0; + } + } + let shouldTrack = true; + const trackStack = []; + function pauseTracking() { + trackStack.push(shouldTrack); + shouldTrack = false; + } + function enableTracking() { + trackStack.push(shouldTrack); + shouldTrack = true; + } + function resetTracking() { + const last = trackStack.pop(); + shouldTrack = last === undefined ? true : last; + } + function track(target, type, key) { + if (!shouldTrack || activeEffect === undefined) { + return; + } + let depsMap = targetMap.get(target); + if (!depsMap) { + targetMap.set(target, (depsMap = new Map())); + } + let dep = depsMap.get(key); + if (!dep) { + depsMap.set(key, (dep = new Set())); + } + if (!dep.has(activeEffect)) { + dep.add(activeEffect); + activeEffect.deps.push(dep); + if ( activeEffect.options.onTrack) { + activeEffect.options.onTrack({ + effect: activeEffect, + target, + type, + key + }); + } + } + } + function trigger(target, type, key, newValue, oldValue, oldTarget) { + const depsMap = targetMap.get(target); + if (!depsMap) { + // never been tracked + return; + } + const effects = new Set(); + const add = (effectsToAdd) => { + if (effectsToAdd) { + effectsToAdd.forEach(effect => { + if (effect !== activeEffect || effect.allowRecurse) { + effects.add(effect); + } + }); + } + }; + if (type === "clear" /* CLEAR */) { + // collection being cleared + // trigger all effects for target + depsMap.forEach(add); + } + else if (key === 'length' && isArray(target)) { + depsMap.forEach((dep, key) => { + if (key === 'length' || key >= newValue) { + add(dep); + } + }); + } + else { + // schedule runs for SET | ADD | DELETE + if (key !== void 0) { + add(depsMap.get(key)); + } + // also run for iteration key on ADD | DELETE | Map.SET + switch (type) { + case "add" /* ADD */: + if (!isArray(target)) { + add(depsMap.get(ITERATE_KEY)); + if (isMap(target)) { + add(depsMap.get(MAP_KEY_ITERATE_KEY)); + } + } + else if (isIntegerKey(key)) { + // new index added to array -> length changes + add(depsMap.get('length')); + } + break; + case "delete" /* DELETE */: + if (!isArray(target)) { + add(depsMap.get(ITERATE_KEY)); + if (isMap(target)) { + add(depsMap.get(MAP_KEY_ITERATE_KEY)); + } + } + break; + case "set" /* SET */: + if (isMap(target)) { + add(depsMap.get(ITERATE_KEY)); + } + break; + } + } + const run = (effect) => { + if ( effect.options.onTrigger) { + effect.options.onTrigger({ + effect, + target, + key, + type, + newValue, + oldValue, + oldTarget + }); + } + if (effect.options.scheduler) { + effect.options.scheduler(effect); + } + else { + effect(); + } + }; + effects.forEach(run); + } + + const builtInSymbols = new Set(Object.getOwnPropertyNames(Symbol) + .map(key => Symbol[key]) + .filter(isSymbol)); + const get = /*#__PURE__*/ createGetter(); + const shallowGet = /*#__PURE__*/ createGetter(false, true); + const readonlyGet = /*#__PURE__*/ createGetter(true); + const shallowReadonlyGet = /*#__PURE__*/ createGetter(true, true); + const arrayInstrumentations = {}; + ['includes', 'indexOf', 'lastIndexOf'].forEach(key => { + const method = Array.prototype[key]; + arrayInstrumentations[key] = function (...args) { + const arr = toRaw(this); + for (let i = 0, l = this.length; i < l; i++) { + track(arr, "get" /* GET */, i + ''); + } + // we run the method using the original args first (which may be reactive) + const res = method.apply(arr, args); + if (res === -1 || res === false) { + // if that didn't work, run it again using raw values. + return method.apply(arr, args.map(toRaw)); + } + else { + return res; + } + }; + }); + ['push', 'pop', 'shift', 'unshift', 'splice'].forEach(key => { + const method = Array.prototype[key]; + arrayInstrumentations[key] = function (...args) { + pauseTracking(); + const res = method.apply(this, args); + resetTracking(); + return res; + }; + }); + function createGetter(isReadonly = false, shallow = false) { + return function get(target, key, receiver) { + if (key === "__v_isReactive" /* IS_REACTIVE */) { + return !isReadonly; + } + else if (key === "__v_isReadonly" /* IS_READONLY */) { + return isReadonly; + } + else if (key === "__v_raw" /* RAW */ && + receiver === (isReadonly ? readonlyMap : reactiveMap).get(target)) { + return target; + } + const targetIsArray = isArray(target); + if (targetIsArray && hasOwn(arrayInstrumentations, key)) { + return Reflect.get(arrayInstrumentations, key, receiver); + } + const res = Reflect.get(target, key, receiver); + if (isSymbol(key) + ? builtInSymbols.has(key) + : key === `__proto__` || key === `__v_isRef`) { + return res; + } + if (!isReadonly) { + track(target, "get" /* GET */, key); + } + if (shallow) { + return res; + } + if (isRef(res)) { + // ref unwrapping - does not apply for Array + integer key. + const shouldUnwrap = !targetIsArray || !isIntegerKey(key); + return shouldUnwrap ? res.value : res; + } + if (isObject(res)) { + // Convert returned value into a proxy as well. we do the isObject check + // here to avoid invalid value warning. Also need to lazy access readonly + // and reactive here to avoid circular dependency. + return isReadonly ? readonly(res) : reactive(res); + } + return res; + }; + } + const set = /*#__PURE__*/ createSetter(); + const shallowSet = /*#__PURE__*/ createSetter(true); + function createSetter(shallow = false) { + return function set(target, key, value, receiver) { + const oldValue = target[key]; + if (!shallow) { + value = toRaw(value); + if (!isArray(target) && isRef(oldValue) && !isRef(value)) { + oldValue.value = value; + return true; + } + } + const hadKey = isArray(target) && isIntegerKey(key) + ? Number(key) < target.length + : hasOwn(target, key); + const result = Reflect.set(target, key, value, receiver); + // don't trigger if target is something up in the prototype chain of original + if (target === toRaw(receiver)) { + if (!hadKey) { + trigger(target, "add" /* ADD */, key, value); + } + else if (hasChanged(value, oldValue)) { + trigger(target, "set" /* SET */, key, value, oldValue); + } + } + return result; + }; + } + function deleteProperty(target, key) { + const hadKey = hasOwn(target, key); + const oldValue = target[key]; + const result = Reflect.deleteProperty(target, key); + if (result && hadKey) { + trigger(target, "delete" /* DELETE */, key, undefined, oldValue); + } + return result; + } + function has(target, key) { + const result = Reflect.has(target, key); + if (!isSymbol(key) || !builtInSymbols.has(key)) { + track(target, "has" /* HAS */, key); + } + return result; + } + function ownKeys(target) { + track(target, "iterate" /* ITERATE */, isArray(target) ? 'length' : ITERATE_KEY); + return Reflect.ownKeys(target); + } + const mutableHandlers = { + get, + set, + deleteProperty, + has, + ownKeys + }; + const readonlyHandlers = { + get: readonlyGet, + set(target, key) { + { + console.warn(`Set operation on key "${String(key)}" failed: target is readonly.`, target); + } + return true; + }, + deleteProperty(target, key) { + { + console.warn(`Delete operation on key "${String(key)}" failed: target is readonly.`, target); + } + return true; + } + }; + const shallowReactiveHandlers = extend({}, mutableHandlers, { + get: shallowGet, + set: shallowSet + }); + // Props handlers are special in the sense that it should not unwrap top-level + // refs (in order to allow refs to be explicitly passed down), but should + // retain the reactivity of the normal readonly object. + const shallowReadonlyHandlers = extend({}, readonlyHandlers, { + get: shallowReadonlyGet + }); + + const toReactive = (value) => isObject(value) ? reactive(value) : value; + const toReadonly = (value) => isObject(value) ? readonly(value) : value; + const toShallow = (value) => value; + const getProto = (v) => Reflect.getPrototypeOf(v); + function get$1(target, key, isReadonly = false, isShallow = false) { + // #1772: readonly(reactive(Map)) should return readonly + reactive version + // of the value + target = target["__v_raw" /* RAW */]; + const rawTarget = toRaw(target); + const rawKey = toRaw(key); + if (key !== rawKey) { + !isReadonly && track(rawTarget, "get" /* GET */, key); + } + !isReadonly && track(rawTarget, "get" /* GET */, rawKey); + const { has } = getProto(rawTarget); + const wrap = isReadonly ? toReadonly : isShallow ? toShallow : toReactive; + if (has.call(rawTarget, key)) { + return wrap(target.get(key)); + } + else if (has.call(rawTarget, rawKey)) { + return wrap(target.get(rawKey)); + } + } + function has$1(key, isReadonly = false) { + const target = this["__v_raw" /* RAW */]; + const rawTarget = toRaw(target); + const rawKey = toRaw(key); + if (key !== rawKey) { + !isReadonly && track(rawTarget, "has" /* HAS */, key); + } + !isReadonly && track(rawTarget, "has" /* HAS */, rawKey); + return key === rawKey + ? target.has(key) + : target.has(key) || target.has(rawKey); + } + function size(target, isReadonly = false) { + target = target["__v_raw" /* RAW */]; + !isReadonly && track(toRaw(target), "iterate" /* ITERATE */, ITERATE_KEY); + return Reflect.get(target, 'size', target); + } + function add(value) { + value = toRaw(value); + const target = toRaw(this); + const proto = getProto(target); + const hadKey = proto.has.call(target, value); + const result = target.add(value); + if (!hadKey) { + trigger(target, "add" /* ADD */, value, value); + } + return result; + } + function set$1(key, value) { + value = toRaw(value); + const target = toRaw(this); + const { has, get } = getProto(target); + let hadKey = has.call(target, key); + if (!hadKey) { + key = toRaw(key); + hadKey = has.call(target, key); + } + else { + checkIdentityKeys(target, has, key); + } + const oldValue = get.call(target, key); + const result = target.set(key, value); + if (!hadKey) { + trigger(target, "add" /* ADD */, key, value); + } + else if (hasChanged(value, oldValue)) { + trigger(target, "set" /* SET */, key, value, oldValue); + } + return result; + } + function deleteEntry(key) { + const target = toRaw(this); + const { has, get } = getProto(target); + let hadKey = has.call(target, key); + if (!hadKey) { + key = toRaw(key); + hadKey = has.call(target, key); + } + else { + checkIdentityKeys(target, has, key); + } + const oldValue = get ? get.call(target, key) : undefined; + // forward the operation before queueing reactions + const result = target.delete(key); + if (hadKey) { + trigger(target, "delete" /* DELETE */, key, undefined, oldValue); + } + return result; + } + function clear() { + const target = toRaw(this); + const hadItems = target.size !== 0; + const oldTarget = isMap(target) + ? new Map(target) + : new Set(target) + ; + // forward the operation before queueing reactions + const result = target.clear(); + if (hadItems) { + trigger(target, "clear" /* CLEAR */, undefined, undefined, oldTarget); + } + return result; + } + function createForEach(isReadonly, isShallow) { + return function forEach(callback, thisArg) { + const observed = this; + const target = observed["__v_raw" /* RAW */]; + const rawTarget = toRaw(target); + const wrap = isReadonly ? toReadonly : isShallow ? toShallow : toReactive; + !isReadonly && track(rawTarget, "iterate" /* ITERATE */, ITERATE_KEY); + return target.forEach((value, key) => { + // important: make sure the callback is + // 1. invoked with the reactive map as `this` and 3rd arg + // 2. the value received should be a corresponding reactive/readonly. + return callback.call(thisArg, wrap(value), wrap(key), observed); + }); + }; + } + function createIterableMethod(method, isReadonly, isShallow) { + return function (...args) { + const target = this["__v_raw" /* RAW */]; + const rawTarget = toRaw(target); + const targetIsMap = isMap(rawTarget); + const isPair = method === 'entries' || (method === Symbol.iterator && targetIsMap); + const isKeyOnly = method === 'keys' && targetIsMap; + const innerIterator = target[method](...args); + const wrap = isReadonly ? toReadonly : isShallow ? toShallow : toReactive; + !isReadonly && + track(rawTarget, "iterate" /* ITERATE */, isKeyOnly ? MAP_KEY_ITERATE_KEY : ITERATE_KEY); + // return a wrapped iterator which returns observed versions of the + // values emitted from the real iterator + return { + // iterator protocol + next() { + const { value, done } = innerIterator.next(); + return done + ? { value, done } + : { + value: isPair ? [wrap(value[0]), wrap(value[1])] : wrap(value), + done + }; + }, + // iterable protocol + [Symbol.iterator]() { + return this; + } + }; + }; + } + function createReadonlyMethod(type) { + return function (...args) { + { + const key = args[0] ? `on key "${args[0]}" ` : ``; + console.warn(`${capitalize(type)} operation ${key}failed: target is readonly.`, toRaw(this)); + } + return type === "delete" /* DELETE */ ? false : this; + }; + } + const mutableInstrumentations = { + get(key) { + return get$1(this, key); + }, + get size() { + return size(this); + }, + has: has$1, + add, + set: set$1, + delete: deleteEntry, + clear, + forEach: createForEach(false, false) + }; + const shallowInstrumentations = { + get(key) { + return get$1(this, key, false, true); + }, + get size() { + return size(this); + }, + has: has$1, + add, + set: set$1, + delete: deleteEntry, + clear, + forEach: createForEach(false, true) + }; + const readonlyInstrumentations = { + get(key) { + return get$1(this, key, true); + }, + get size() { + return size(this, true); + }, + has(key) { + return has$1.call(this, key, true); + }, + add: createReadonlyMethod("add" /* ADD */), + set: createReadonlyMethod("set" /* SET */), + delete: createReadonlyMethod("delete" /* DELETE */), + clear: createReadonlyMethod("clear" /* CLEAR */), + forEach: createForEach(true, false) + }; + const iteratorMethods = ['keys', 'values', 'entries', Symbol.iterator]; + iteratorMethods.forEach(method => { + mutableInstrumentations[method] = createIterableMethod(method, false, false); + readonlyInstrumentations[method] = createIterableMethod(method, true, false); + shallowInstrumentations[method] = createIterableMethod(method, false, true); + }); + function createInstrumentationGetter(isReadonly, shallow) { + const instrumentations = shallow + ? shallowInstrumentations + : isReadonly + ? readonlyInstrumentations + : mutableInstrumentations; + return (target, key, receiver) => { + if (key === "__v_isReactive" /* IS_REACTIVE */) { + return !isReadonly; + } + else if (key === "__v_isReadonly" /* IS_READONLY */) { + return isReadonly; + } + else if (key === "__v_raw" /* RAW */) { + return target; + } + return Reflect.get(hasOwn(instrumentations, key) && key in target + ? instrumentations + : target, key, receiver); + }; + } + const mutableCollectionHandlers = { + get: createInstrumentationGetter(false, false) + }; + const shallowCollectionHandlers = { + get: createInstrumentationGetter(false, true) + }; + const readonlyCollectionHandlers = { + get: createInstrumentationGetter(true, false) + }; + function checkIdentityKeys(target, has, key) { + const rawKey = toRaw(key); + if (rawKey !== key && has.call(target, rawKey)) { + const type = toRawType(target); + console.warn(`Reactive ${type} contains both the raw and reactive ` + + `versions of the same object${type === `Map` ? ` as keys` : ``}, ` + + `which can lead to inconsistencies. ` + + `Avoid differentiating between the raw and reactive versions ` + + `of an object and only use the reactive version if possible.`); + } + } + + const reactiveMap = new WeakMap(); + const readonlyMap = new WeakMap(); + function targetTypeMap(rawType) { + switch (rawType) { + case 'Object': + case 'Array': + return 1 /* COMMON */; + case 'Map': + case 'Set': + case 'WeakMap': + case 'WeakSet': + return 2 /* COLLECTION */; + default: + return 0 /* INVALID */; + } + } + function getTargetType(value) { + return value["__v_skip" /* SKIP */] || !Object.isExtensible(value) + ? 0 /* INVALID */ + : targetTypeMap(toRawType(value)); + } + function reactive(target) { + // if trying to observe a readonly proxy, return the readonly version. + if (target && target["__v_isReadonly" /* IS_READONLY */]) { + return target; + } + return createReactiveObject(target, false, mutableHandlers, mutableCollectionHandlers); + } + // Return a reactive-copy of the original object, where only the root level + // properties are reactive, and does NOT unwrap refs nor recursively convert + // returned properties. + function shallowReactive(target) { + return createReactiveObject(target, false, shallowReactiveHandlers, shallowCollectionHandlers); + } + function readonly(target) { + return createReactiveObject(target, true, readonlyHandlers, readonlyCollectionHandlers); + } + // Return a reactive-copy of the original object, where only the root level + // properties are readonly, and does NOT unwrap refs nor recursively convert + // returned properties. + // This is used for creating the props proxy object for stateful components. + function shallowReadonly(target) { + return createReactiveObject(target, true, shallowReadonlyHandlers, readonlyCollectionHandlers); + } + function createReactiveObject(target, isReadonly, baseHandlers, collectionHandlers) { + if (!isObject(target)) { + { + console.warn(`value cannot be made reactive: ${String(target)}`); + } + return target; + } + // target is already a Proxy, return it. + // exception: calling readonly() on a reactive object + if (target["__v_raw" /* RAW */] && + !(isReadonly && target["__v_isReactive" /* IS_REACTIVE */])) { + return target; + } + // target already has corresponding Proxy + const proxyMap = isReadonly ? readonlyMap : reactiveMap; + const existingProxy = proxyMap.get(target); + if (existingProxy) { + return existingProxy; + } + // only a whitelist of value types can be observed. + const targetType = getTargetType(target); + if (targetType === 0 /* INVALID */) { + return target; + } + const proxy = new Proxy(target, targetType === 2 /* COLLECTION */ ? collectionHandlers : baseHandlers); + proxyMap.set(target, proxy); + return proxy; + } + function isReactive(value) { + if (isReadonly(value)) { + return isReactive(value["__v_raw" /* RAW */]); + } + return !!(value && value["__v_isReactive" /* IS_REACTIVE */]); + } + function isReadonly(value) { + return !!(value && value["__v_isReadonly" /* IS_READONLY */]); + } + function isProxy(value) { + return isReactive(value) || isReadonly(value); + } + function toRaw(observed) { + return ((observed && toRaw(observed["__v_raw" /* RAW */])) || observed); + } + function markRaw(value) { + def(value, "__v_skip" /* SKIP */, true); + return value; + } + + const convert = (val) => isObject(val) ? reactive(val) : val; + function isRef(r) { + return Boolean(r && r.__v_isRef === true); + } + function ref(value) { + return createRef(value); + } + function shallowRef(value) { + return createRef(value, true); + } + class RefImpl { + constructor(_rawValue, _shallow = false) { + this._rawValue = _rawValue; + this._shallow = _shallow; + this.__v_isRef = true; + this._value = _shallow ? _rawValue : convert(_rawValue); + } + get value() { + track(toRaw(this), "get" /* GET */, 'value'); + return this._value; + } + set value(newVal) { + if (hasChanged(toRaw(newVal), this._rawValue)) { + this._rawValue = newVal; + this._value = this._shallow ? newVal : convert(newVal); + trigger(toRaw(this), "set" /* SET */, 'value', newVal); + } + } + } + function createRef(rawValue, shallow = false) { + if (isRef(rawValue)) { + return rawValue; + } + return new RefImpl(rawValue, shallow); + } + function triggerRef(ref) { + trigger(toRaw(ref), "set" /* SET */, 'value', ref.value ); + } + function unref(ref) { + return isRef(ref) ? ref.value : ref; + } + const shallowUnwrapHandlers = { + get: (target, key, receiver) => unref(Reflect.get(target, key, receiver)), + set: (target, key, value, receiver) => { + const oldValue = target[key]; + if (isRef(oldValue) && !isRef(value)) { + oldValue.value = value; + return true; + } + else { + return Reflect.set(target, key, value, receiver); + } + } + }; + function proxyRefs(objectWithRefs) { + return isReactive(objectWithRefs) + ? objectWithRefs + : new Proxy(objectWithRefs, shallowUnwrapHandlers); + } + class CustomRefImpl { + constructor(factory) { + this.__v_isRef = true; + const { get, set } = factory(() => track(this, "get" /* GET */, 'value'), () => trigger(this, "set" /* SET */, 'value')); + this._get = get; + this._set = set; + } + get value() { + return this._get(); + } + set value(newVal) { + this._set(newVal); + } + } + function customRef(factory) { + return new CustomRefImpl(factory); + } + function toRefs(object) { + if ( !isProxy(object)) { + console.warn(`toRefs() expects a reactive object but received a plain one.`); + } + const ret = isArray(object) ? new Array(object.length) : {}; + for (const key in object) { + ret[key] = toRef(object, key); + } + return ret; + } + class ObjectRefImpl { + constructor(_object, _key) { + this._object = _object; + this._key = _key; + this.__v_isRef = true; + } + get value() { + return this._object[this._key]; + } + set value(newVal) { + this._object[this._key] = newVal; + } + } + function toRef(object, key) { + return isRef(object[key]) + ? object[key] + : new ObjectRefImpl(object, key); + } + + class ComputedRefImpl { + constructor(getter, _setter, isReadonly) { + this._setter = _setter; + this._dirty = true; + this.__v_isRef = true; + this.effect = effect(getter, { + lazy: true, + scheduler: () => { + if (!this._dirty) { + this._dirty = true; + trigger(toRaw(this), "set" /* SET */, 'value'); + } + } + }); + this["__v_isReadonly" /* IS_READONLY */] = isReadonly; + } + get value() { + if (this._dirty) { + this._value = this.effect(); + this._dirty = false; + } + track(toRaw(this), "get" /* GET */, 'value'); + return this._value; + } + set value(newValue) { + this._setter(newValue); + } + } + function computed(getterOrOptions) { + let getter; + let setter; + if (isFunction(getterOrOptions)) { + getter = getterOrOptions; + setter = () => { + console.warn('Write operation failed: computed value is readonly'); + } + ; + } + else { + getter = getterOrOptions.get; + setter = getterOrOptions.set; + } + return new ComputedRefImpl(getter, setter, isFunction(getterOrOptions) || !getterOrOptions.set); + } + + const stack = []; + function pushWarningContext(vnode) { + stack.push(vnode); + } + function popWarningContext() { + stack.pop(); + } + function warn(msg, ...args) { + // avoid props formatting or warn handler tracking deps that might be mutated + // during patch, leading to infinite recursion. + pauseTracking(); + const instance = stack.length ? stack[stack.length - 1].component : null; + const appWarnHandler = instance && instance.appContext.config.warnHandler; + const trace = getComponentTrace(); + if (appWarnHandler) { + callWithErrorHandling(appWarnHandler, instance, 11 /* APP_WARN_HANDLER */, [ + msg + args.join(''), + instance && instance.proxy, + trace + .map(({ vnode }) => `at <${formatComponentName(instance, vnode.type)}>`) + .join('\n'), + trace + ]); + } + else { + const warnArgs = [`[Vue warn]: ${msg}`, ...args]; + /* istanbul ignore if */ + if (trace.length && + // avoid spamming console during tests + !false) { + warnArgs.push(`\n`, ...formatTrace(trace)); + } + console.warn(...warnArgs); + } + resetTracking(); + } + function getComponentTrace() { + let currentVNode = stack[stack.length - 1]; + if (!currentVNode) { + return []; + } + // we can't just use the stack because it will be incomplete during updates + // that did not start from the root. Re-construct the parent chain using + // instance parent pointers. + const normalizedStack = []; + while (currentVNode) { + const last = normalizedStack[0]; + if (last && last.vnode === currentVNode) { + last.recurseCount++; + } + else { + normalizedStack.push({ + vnode: currentVNode, + recurseCount: 0 + }); + } + const parentInstance = currentVNode.component && currentVNode.component.parent; + currentVNode = parentInstance && parentInstance.vnode; + } + return normalizedStack; + } + /* istanbul ignore next */ + function formatTrace(trace) { + const logs = []; + trace.forEach((entry, i) => { + logs.push(...(i === 0 ? [] : [`\n`]), ...formatTraceEntry(entry)); + }); + return logs; + } + function formatTraceEntry({ vnode, recurseCount }) { + const postfix = recurseCount > 0 ? `... (${recurseCount} recursive calls)` : ``; + const isRoot = vnode.component ? vnode.component.parent == null : false; + const open = ` at <${formatComponentName(vnode.component, vnode.type, isRoot)}`; + const close = `>` + postfix; + return vnode.props + ? [open, ...formatProps(vnode.props), close] + : [open + close]; + } + /* istanbul ignore next */ + function formatProps(props) { + const res = []; + const keys = Object.keys(props); + keys.slice(0, 3).forEach(key => { + res.push(...formatProp(key, props[key])); + }); + if (keys.length > 3) { + res.push(` ...`); + } + return res; + } + /* istanbul ignore next */ + function formatProp(key, value, raw) { + if (isString(value)) { + value = JSON.stringify(value); + return raw ? value : [`${key}=${value}`]; + } + else if (typeof value === 'number' || + typeof value === 'boolean' || + value == null) { + return raw ? value : [`${key}=${value}`]; + } + else if (isRef(value)) { + value = formatProp(key, toRaw(value.value), true); + return raw ? value : [`${key}=Ref<`, value, `>`]; + } + else if (isFunction(value)) { + return [`${key}=fn${value.name ? `<${value.name}>` : ``}`]; + } + else { + value = toRaw(value); + return raw ? value : [`${key}=`, value]; + } + } + + const ErrorTypeStrings = { + ["bc" /* BEFORE_CREATE */]: 'beforeCreate hook', + ["c" /* CREATED */]: 'created hook', + ["bm" /* BEFORE_MOUNT */]: 'beforeMount hook', + ["m" /* MOUNTED */]: 'mounted hook', + ["bu" /* BEFORE_UPDATE */]: 'beforeUpdate hook', + ["u" /* UPDATED */]: 'updated', + ["bum" /* BEFORE_UNMOUNT */]: 'beforeUnmount hook', + ["um" /* UNMOUNTED */]: 'unmounted hook', + ["a" /* ACTIVATED */]: 'activated hook', + ["da" /* DEACTIVATED */]: 'deactivated hook', + ["ec" /* ERROR_CAPTURED */]: 'errorCaptured hook', + ["rtc" /* RENDER_TRACKED */]: 'renderTracked hook', + ["rtg" /* RENDER_TRIGGERED */]: 'renderTriggered hook', + [0 /* SETUP_FUNCTION */]: 'setup function', + [1 /* RENDER_FUNCTION */]: 'render function', + [2 /* WATCH_GETTER */]: 'watcher getter', + [3 /* WATCH_CALLBACK */]: 'watcher callback', + [4 /* WATCH_CLEANUP */]: 'watcher cleanup function', + [5 /* NATIVE_EVENT_HANDLER */]: 'native event handler', + [6 /* COMPONENT_EVENT_HANDLER */]: 'component event handler', + [7 /* VNODE_HOOK */]: 'vnode hook', + [8 /* DIRECTIVE_HOOK */]: 'directive hook', + [9 /* TRANSITION_HOOK */]: 'transition hook', + [10 /* APP_ERROR_HANDLER */]: 'app errorHandler', + [11 /* APP_WARN_HANDLER */]: 'app warnHandler', + [12 /* FUNCTION_REF */]: 'ref function', + [13 /* ASYNC_COMPONENT_LOADER */]: 'async component loader', + [14 /* SCHEDULER */]: 'scheduler flush. This is likely a Vue internals bug. ' + + 'Please open an issue at https://new-issue.vuejs.org/?repo=vuejs/vue-next' + }; + function callWithErrorHandling(fn, instance, type, args) { + let res; + try { + res = args ? fn(...args) : fn(); + } + catch (err) { + handleError(err, instance, type); + } + return res; + } + function callWithAsyncErrorHandling(fn, instance, type, args) { + if (isFunction(fn)) { + const res = callWithErrorHandling(fn, instance, type, args); + if (res && isPromise(res)) { + res.catch(err => { + handleError(err, instance, type); + }); + } + return res; + } + const values = []; + for (let i = 0; i < fn.length; i++) { + values.push(callWithAsyncErrorHandling(fn[i], instance, type, args)); + } + return values; + } + function handleError(err, instance, type, throwInDev = true) { + const contextVNode = instance ? instance.vnode : null; + if (instance) { + let cur = instance.parent; + // the exposed instance is the render proxy to keep it consistent with 2.x + const exposedInstance = instance.proxy; + // in production the hook receives only the error code + const errorInfo = ErrorTypeStrings[type] ; + while (cur) { + const errorCapturedHooks = cur.ec; + if (errorCapturedHooks) { + for (let i = 0; i < errorCapturedHooks.length; i++) { + if (errorCapturedHooks[i](err, exposedInstance, errorInfo) === false) { + return; + } + } + } + cur = cur.parent; + } + // app-level handling + const appErrorHandler = instance.appContext.config.errorHandler; + if (appErrorHandler) { + callWithErrorHandling(appErrorHandler, null, 10 /* APP_ERROR_HANDLER */, [err, exposedInstance, errorInfo]); + return; + } + } + logError(err, type, contextVNode, throwInDev); + } + function logError(err, type, contextVNode, throwInDev = true) { + { + const info = ErrorTypeStrings[type]; + if (contextVNode) { + pushWarningContext(contextVNode); + } + warn(`Unhandled error${info ? ` during execution of ${info}` : ``}`); + if (contextVNode) { + popWarningContext(); + } + // crash in dev by default so it's more noticeable + if (throwInDev) { + throw err; + } + else { + console.error(err); + } + } + } + + let isFlushing = false; + let isFlushPending = false; + const queue = []; + let flushIndex = 0; + const pendingPreFlushCbs = []; + let activePreFlushCbs = null; + let preFlushIndex = 0; + const pendingPostFlushCbs = []; + let activePostFlushCbs = null; + let postFlushIndex = 0; + const resolvedPromise = Promise.resolve(); + let currentFlushPromise = null; + let currentPreFlushParentJob = null; + const RECURSION_LIMIT = 100; + function nextTick(fn) { + const p = currentFlushPromise || resolvedPromise; + return fn ? p.then(this ? fn.bind(this) : fn) : p; + } + function queueJob(job) { + // the dedupe search uses the startIndex argument of Array.includes() + // by default the search index includes the current job that is being run + // so it cannot recursively trigger itself again. + // if the job is a watch() callback, the search will start with a +1 index to + // allow it recursively trigger itself - it is the user's responsibility to + // ensure it doesn't end up in an infinite loop. + if ((!queue.length || + !queue.includes(job, isFlushing && job.allowRecurse ? flushIndex + 1 : flushIndex)) && + job !== currentPreFlushParentJob) { + queue.push(job); + queueFlush(); + } + } + function queueFlush() { + if (!isFlushing && !isFlushPending) { + isFlushPending = true; + currentFlushPromise = resolvedPromise.then(flushJobs); + } + } + function invalidateJob(job) { + const i = queue.indexOf(job); + if (i > -1) { + queue[i] = null; + } + } + function queueCb(cb, activeQueue, pendingQueue, index) { + if (!isArray(cb)) { + if (!activeQueue || + !activeQueue.includes(cb, cb.allowRecurse ? index + 1 : index)) { + pendingQueue.push(cb); + } + } + else { + // if cb is an array, it is a component lifecycle hook which can only be + // triggered by a job, which is already deduped in the main queue, so + // we can skip duplicate check here to improve perf + pendingQueue.push(...cb); + } + queueFlush(); + } + function queuePreFlushCb(cb) { + queueCb(cb, activePreFlushCbs, pendingPreFlushCbs, preFlushIndex); + } + function queuePostFlushCb(cb) { + queueCb(cb, activePostFlushCbs, pendingPostFlushCbs, postFlushIndex); + } + function flushPreFlushCbs(seen, parentJob = null) { + if (pendingPreFlushCbs.length) { + currentPreFlushParentJob = parentJob; + activePreFlushCbs = [...new Set(pendingPreFlushCbs)]; + pendingPreFlushCbs.length = 0; + { + seen = seen || new Map(); + } + for (preFlushIndex = 0; preFlushIndex < activePreFlushCbs.length; preFlushIndex++) { + { + checkRecursiveUpdates(seen, activePreFlushCbs[preFlushIndex]); + } + activePreFlushCbs[preFlushIndex](); + } + activePreFlushCbs = null; + preFlushIndex = 0; + currentPreFlushParentJob = null; + // recursively flush until it drains + flushPreFlushCbs(seen, parentJob); + } + } + function flushPostFlushCbs(seen) { + if (pendingPostFlushCbs.length) { + const deduped = [...new Set(pendingPostFlushCbs)]; + pendingPostFlushCbs.length = 0; + // #1947 already has active queue, nested flushPostFlushCbs call + if (activePostFlushCbs) { + activePostFlushCbs.push(...deduped); + return; + } + activePostFlushCbs = deduped; + { + seen = seen || new Map(); + } + activePostFlushCbs.sort((a, b) => getId(a) - getId(b)); + for (postFlushIndex = 0; postFlushIndex < activePostFlushCbs.length; postFlushIndex++) { + { + checkRecursiveUpdates(seen, activePostFlushCbs[postFlushIndex]); + } + activePostFlushCbs[postFlushIndex](); + } + activePostFlushCbs = null; + postFlushIndex = 0; + } + } + const getId = (job) => job.id == null ? Infinity : job.id; + function flushJobs(seen) { + isFlushPending = false; + isFlushing = true; + { + seen = seen || new Map(); + } + flushPreFlushCbs(seen); + // Sort queue before flush. + // This ensures that: + // 1. Components are updated from parent to child. (because parent is always + // created before the child so its render effect will have smaller + // priority number) + // 2. If a component is unmounted during a parent component's update, + // its update can be skipped. + // Jobs can never be null before flush starts, since they are only invalidated + // during execution of another flushed job. + queue.sort((a, b) => getId(a) - getId(b)); + try { + for (flushIndex = 0; flushIndex < queue.length; flushIndex++) { + const job = queue[flushIndex]; + if (job) { + if (true) { + checkRecursiveUpdates(seen, job); + } + callWithErrorHandling(job, null, 14 /* SCHEDULER */); + } + } + } + finally { + flushIndex = 0; + queue.length = 0; + flushPostFlushCbs(seen); + isFlushing = false; + currentFlushPromise = null; + // some postFlushCb queued jobs! + // keep flushing until it drains. + if (queue.length || pendingPostFlushCbs.length) { + flushJobs(seen); + } + } + } + function checkRecursiveUpdates(seen, fn) { + if (!seen.has(fn)) { + seen.set(fn, 1); + } + else { + const count = seen.get(fn); + if (count > RECURSION_LIMIT) { + throw new Error(`Maximum recursive updates exceeded. ` + + `This means you have a reactive effect that is mutating its own ` + + `dependencies and thus recursively triggering itself. Possible sources ` + + `include component template, render function, updated hook or ` + + `watcher source function.`); + } + else { + seen.set(fn, count + 1); + } + } + } + + /* eslint-disable no-restricted-globals */ + let isHmrUpdating = false; + const hmrDirtyComponents = new Set(); + // Expose the HMR runtime on the global object + // This makes it entirely tree-shakable without polluting the exports and makes + // it easier to be used in toolings like vue-loader + // Note: for a component to be eligible for HMR it also needs the __hmrId option + // to be set so that its instances can be registered / removed. + { + const globalObject = typeof global !== 'undefined' + ? global + : typeof self !== 'undefined' + ? self + : typeof window !== 'undefined' + ? window + : {}; + globalObject.__VUE_HMR_RUNTIME__ = { + createRecord: tryWrap(createRecord), + rerender: tryWrap(rerender), + reload: tryWrap(reload) + }; + } + const map = new Map(); + function registerHMR(instance) { + const id = instance.type.__hmrId; + let record = map.get(id); + if (!record) { + createRecord(id); + record = map.get(id); + } + record.add(instance); + } + function unregisterHMR(instance) { + map.get(instance.type.__hmrId).delete(instance); + } + function createRecord(id) { + if (map.has(id)) { + return false; + } + map.set(id, new Set()); + return true; + } + function rerender(id, newRender) { + const record = map.get(id); + if (!record) + return; + // Array.from creates a snapshot which avoids the set being mutated during + // updates + Array.from(record).forEach(instance => { + if (newRender) { + instance.render = newRender; + } + instance.renderCache = []; + // this flag forces child components with slot content to update + isHmrUpdating = true; + instance.update(); + isHmrUpdating = false; + }); + } + function reload(id, newComp) { + const record = map.get(id); + if (!record) + return; + // Array.from creates a snapshot which avoids the set being mutated during + // updates + Array.from(record).forEach(instance => { + const comp = instance.type; + if (!hmrDirtyComponents.has(comp)) { + // 1. Update existing comp definition to match new one + newComp = isClassComponent(newComp) ? newComp.__vccOpts : newComp; + extend(comp, newComp); + for (const key in comp) { + if (!(key in newComp)) { + delete comp[key]; + } + } + // 2. Mark component dirty. This forces the renderer to replace the component + // on patch. + hmrDirtyComponents.add(comp); + // 3. Make sure to unmark the component after the reload. + queuePostFlushCb(() => { + hmrDirtyComponents.delete(comp); + }); + } + if (instance.parent) { + // 4. Force the parent instance to re-render. This will cause all updated + // components to be unmounted and re-mounted. Queue the update so that we + // don't end up forcing the same parent to re-render multiple times. + queueJob(instance.parent.update); + } + else if (instance.appContext.reload) { + // root instance mounted via createApp() has a reload method + instance.appContext.reload(); + } + else if (typeof window !== 'undefined') { + // root instance inside tree created via raw render(). Force reload. + window.location.reload(); + } + else { + console.warn('[HMR] Root or manually mounted instance modified. Full reload required.'); + } + }); + } + function tryWrap(fn) { + return (id, arg) => { + try { + return fn(id, arg); + } + catch (e) { + console.error(e); + console.warn(`[HMR] Something went wrong during Vue component hot-reload. ` + + `Full reload required.`); + } + }; + } + + function setDevtoolsHook(hook) { + exports.devtools = hook; + } + function devtoolsInitApp(app, version) { + // TODO queue if devtools is undefined + if (!exports.devtools) + return; + exports.devtools.emit("app:init" /* APP_INIT */, app, version, { + Fragment, + Text, + Comment, + Static + }); + } + function devtoolsUnmountApp(app) { + if (!exports.devtools) + return; + exports.devtools.emit("app:unmount" /* APP_UNMOUNT */, app); + } + const devtoolsComponentAdded = /*#__PURE__*/ createDevtoolsComponentHook("component:added" /* COMPONENT_ADDED */); + const devtoolsComponentUpdated = /*#__PURE__*/ createDevtoolsComponentHook("component:updated" /* COMPONENT_UPDATED */); + const devtoolsComponentRemoved = /*#__PURE__*/ createDevtoolsComponentHook("component:removed" /* COMPONENT_REMOVED */); + function createDevtoolsComponentHook(hook) { + return (component) => { + if (!exports.devtools) + return; + exports.devtools.emit(hook, component.appContext.app, component.uid, component.parent ? component.parent.uid : undefined); + }; + } + function devtoolsComponentEmit(component, event, params) { + if (!exports.devtools) + return; + exports.devtools.emit("component:emit" /* COMPONENT_EMIT */, component.appContext.app, component, event, params); + } + + function emit(instance, event, ...rawArgs) { + const props = instance.vnode.props || EMPTY_OBJ; + { + const { emitsOptions, propsOptions: [propsOptions] } = instance; + if (emitsOptions) { + if (!(event in emitsOptions)) { + if (!propsOptions || !(toHandlerKey(event) in propsOptions)) { + warn(`Component emitted event "${event}" but it is neither declared in ` + + `the emits option nor as an "${toHandlerKey(event)}" prop.`); + } + } + else { + const validator = emitsOptions[event]; + if (isFunction(validator)) { + const isValid = validator(...rawArgs); + if (!isValid) { + warn(`Invalid event arguments: event validation failed for event "${event}".`); + } + } + } + } + } + let args = rawArgs; + const isModelListener = event.startsWith('update:'); + // for v-model update:xxx events, apply modifiers on args + const modelArg = isModelListener && event.slice(7); + if (modelArg && modelArg in props) { + const modifiersKey = `${modelArg === 'modelValue' ? 'model' : modelArg}Modifiers`; + const { number, trim } = props[modifiersKey] || EMPTY_OBJ; + if (trim) { + args = rawArgs.map(a => a.trim()); + } + else if (number) { + args = rawArgs.map(toNumber); + } + } + { + devtoolsComponentEmit(instance, event, args); + } + { + const lowerCaseEvent = event.toLowerCase(); + if (lowerCaseEvent !== event && props[toHandlerKey(lowerCaseEvent)]) { + warn(`Event "${lowerCaseEvent}" is emitted in component ` + + `${formatComponentName(instance, instance.type)} but the handler is registered for "${event}". ` + + `Note that HTML attributes are case-insensitive and you cannot use ` + + `v-on to listen to camelCase events when using in-DOM templates. ` + + `You should probably use "${hyphenate(event)}" instead of "${event}".`); + } + } + // convert handler name to camelCase. See issue #2249 + let handlerName = toHandlerKey(camelize(event)); + let handler = props[handlerName]; + // for v-model update:xxx events, also trigger kebab-case equivalent + // for props passed via kebab-case + if (!handler && isModelListener) { + handlerName = toHandlerKey(hyphenate(event)); + handler = props[handlerName]; + } + if (handler) { + callWithAsyncErrorHandling(handler, instance, 6 /* COMPONENT_EVENT_HANDLER */, args); + } + const onceHandler = props[handlerName + `Once`]; + if (onceHandler) { + if (!instance.emitted) { + (instance.emitted = {})[handlerName] = true; + } + else if (instance.emitted[handlerName]) { + return; + } + callWithAsyncErrorHandling(onceHandler, instance, 6 /* COMPONENT_EVENT_HANDLER */, args); + } + } + function normalizeEmitsOptions(comp, appContext, asMixin = false) { + if (!appContext.deopt && comp.__emits !== undefined) { + return comp.__emits; + } + const raw = comp.emits; + let normalized = {}; + // apply mixin/extends props + let hasExtends = false; + if ( !isFunction(comp)) { + const extendEmits = (raw) => { + hasExtends = true; + extend(normalized, normalizeEmitsOptions(raw, appContext, true)); + }; + if (!asMixin && appContext.mixins.length) { + appContext.mixins.forEach(extendEmits); + } + if (comp.extends) { + extendEmits(comp.extends); + } + if (comp.mixins) { + comp.mixins.forEach(extendEmits); + } + } + if (!raw && !hasExtends) { + return (comp.__emits = null); + } + if (isArray(raw)) { + raw.forEach(key => (normalized[key] = null)); + } + else { + extend(normalized, raw); + } + return (comp.__emits = normalized); + } + // Check if an incoming prop key is a declared emit event listener. + // e.g. With `emits: { click: null }`, props named `onClick` and `onclick` are + // both considered matched listeners. + function isEmitListener(options, key) { + if (!options || !isOn(key)) { + return false; + } + key = key.replace(/Once$/, ''); + return (hasOwn(options, key[2].toLowerCase() + key.slice(3)) || + hasOwn(options, key.slice(2))); + } + + // mark the current rendering instance for asset resolution (e.g. + // resolveComponent, resolveDirective) during render + let currentRenderingInstance = null; + function setCurrentRenderingInstance(instance) { + currentRenderingInstance = instance; + } + // dev only flag to track whether $attrs was used during render. + // If $attrs was used during render then the warning for failed attrs + // fallthrough can be suppressed. + let accessedAttrs = false; + function markAttrsAccessed() { + accessedAttrs = true; + } + function renderComponentRoot(instance) { + const { type: Component, vnode, proxy, withProxy, props, propsOptions: [propsOptions], slots, attrs, emit, render, renderCache, data, setupState, ctx } = instance; + let result; + currentRenderingInstance = instance; + { + accessedAttrs = false; + } + try { + let fallthroughAttrs; + if (vnode.shapeFlag & 4 /* STATEFUL_COMPONENT */) { + // withProxy is a proxy with a different `has` trap only for + // runtime-compiled render functions using `with` block. + const proxyToUse = withProxy || proxy; + result = normalizeVNode(render.call(proxyToUse, proxyToUse, renderCache, props, setupState, data, ctx)); + fallthroughAttrs = attrs; + } + else { + // functional + const render = Component; + // in dev, mark attrs accessed if optional props (attrs === props) + if (true && attrs === props) { + markAttrsAccessed(); + } + result = normalizeVNode(render.length > 1 + ? render(props, true + ? { + get attrs() { + markAttrsAccessed(); + return attrs; + }, + slots, + emit + } + : { attrs, slots, emit }) + : render(props, null /* we know it doesn't need it */)); + fallthroughAttrs = Component.props + ? attrs + : getFunctionalFallthrough(attrs); + } + // attr merging + // in dev mode, comments are preserved, and it's possible for a template + // to have comments along side the root element which makes it a fragment + let root = result; + let setRoot = undefined; + if (true) { + ; + [root, setRoot] = getChildRoot(result); + } + if (Component.inheritAttrs !== false && fallthroughAttrs) { + const keys = Object.keys(fallthroughAttrs); + const { shapeFlag } = root; + if (keys.length) { + if (shapeFlag & 1 /* ELEMENT */ || + shapeFlag & 6 /* COMPONENT */) { + if (propsOptions && keys.some(isModelListener)) { + // If a v-model listener (onUpdate:xxx) has a corresponding declared + // prop, it indicates this component expects to handle v-model and + // it should not fallthrough. + // related: #1543, #1643, #1989 + fallthroughAttrs = filterModelListeners(fallthroughAttrs, propsOptions); + } + root = cloneVNode(root, fallthroughAttrs); + } + else if (true && !accessedAttrs && root.type !== Comment) { + const allAttrs = Object.keys(attrs); + const eventAttrs = []; + const extraAttrs = []; + for (let i = 0, l = allAttrs.length; i < l; i++) { + const key = allAttrs[i]; + if (isOn(key)) { + // ignore v-model handlers when they fail to fallthrough + if (!isModelListener(key)) { + // remove `on`, lowercase first letter to reflect event casing + // accurately + eventAttrs.push(key[2].toLowerCase() + key.slice(3)); + } + } + else { + extraAttrs.push(key); + } + } + if (extraAttrs.length) { + warn(`Extraneous non-props attributes (` + + `${extraAttrs.join(', ')}) ` + + `were passed to component but could not be automatically inherited ` + + `because component renders fragment or text root nodes.`); + } + if (eventAttrs.length) { + warn(`Extraneous non-emits event listeners (` + + `${eventAttrs.join(', ')}) ` + + `were passed to component but could not be automatically inherited ` + + `because component renders fragment or text root nodes. ` + + `If the listener is intended to be a component custom event listener only, ` + + `declare it using the "emits" option.`); + } + } + } + } + // inherit directives + if (vnode.dirs) { + if (true && !isElementRoot(root)) { + warn(`Runtime directive used on component with non-element root node. ` + + `The directives will not function as intended.`); + } + root.dirs = root.dirs ? root.dirs.concat(vnode.dirs) : vnode.dirs; + } + // inherit transition data + if (vnode.transition) { + if (true && !isElementRoot(root)) { + warn(`Component inside renders non-element root node ` + + `that cannot be animated.`); + } + root.transition = vnode.transition; + } + if (true && setRoot) { + setRoot(root); + } + else { + result = root; + } + } + catch (err) { + handleError(err, instance, 1 /* RENDER_FUNCTION */); + result = createVNode(Comment); + } + currentRenderingInstance = null; + return result; + } + /** + * dev only + * In dev mode, template root level comments are rendered, which turns the + * template into a fragment root, but we need to locate the single element + * root for attrs and scope id processing. + */ + const getChildRoot = (vnode) => { + if (vnode.type !== Fragment) { + return [vnode, undefined]; + } + const rawChildren = vnode.children; + const dynamicChildren = vnode.dynamicChildren; + const childRoot = filterSingleRoot(rawChildren); + if (!childRoot) { + return [vnode, undefined]; + } + const index = rawChildren.indexOf(childRoot); + const dynamicIndex = dynamicChildren ? dynamicChildren.indexOf(childRoot) : -1; + const setRoot = (updatedRoot) => { + rawChildren[index] = updatedRoot; + if (dynamicChildren) { + if (dynamicIndex > -1) { + dynamicChildren[dynamicIndex] = updatedRoot; + } + else if (updatedRoot.patchFlag > 0) { + vnode.dynamicChildren = [...dynamicChildren, updatedRoot]; + } + } + }; + return [normalizeVNode(childRoot), setRoot]; + }; + /** + * dev only + */ + function filterSingleRoot(children) { + const filtered = children.filter(child => { + return !(isVNode(child) && + child.type === Comment && + child.children !== 'v-if'); + }); + return filtered.length === 1 && isVNode(filtered[0]) ? filtered[0] : null; + } + const getFunctionalFallthrough = (attrs) => { + let res; + for (const key in attrs) { + if (key === 'class' || key === 'style' || isOn(key)) { + (res || (res = {}))[key] = attrs[key]; + } + } + return res; + }; + const filterModelListeners = (attrs, props) => { + const res = {}; + for (const key in attrs) { + if (!isModelListener(key) || !(key.slice(9) in props)) { + res[key] = attrs[key]; + } + } + return res; + }; + const isElementRoot = (vnode) => { + return (vnode.shapeFlag & 6 /* COMPONENT */ || + vnode.shapeFlag & 1 /* ELEMENT */ || + vnode.type === Comment // potential v-if branch switch + ); + }; + function shouldUpdateComponent(prevVNode, nextVNode, optimized) { + const { props: prevProps, children: prevChildren, component } = prevVNode; + const { props: nextProps, children: nextChildren, patchFlag } = nextVNode; + const emits = component.emitsOptions; + // Parent component's render function was hot-updated. Since this may have + // caused the child component's slots content to have changed, we need to + // force the child to update as well. + if ( (prevChildren || nextChildren) && isHmrUpdating) { + return true; + } + // force child update for runtime directive or transition on component vnode. + if (nextVNode.dirs || nextVNode.transition) { + return true; + } + if (optimized && patchFlag > 0) { + if (patchFlag & 1024 /* DYNAMIC_SLOTS */) { + // slot content that references values that might have changed, + // e.g. in a v-for + return true; + } + if (patchFlag & 16 /* FULL_PROPS */) { + if (!prevProps) { + return !!nextProps; + } + // presence of this flag indicates props are always non-null + return hasPropsChanged(prevProps, nextProps, emits); + } + else if (patchFlag & 8 /* PROPS */) { + const dynamicProps = nextVNode.dynamicProps; + for (let i = 0; i < dynamicProps.length; i++) { + const key = dynamicProps[i]; + if (nextProps[key] !== prevProps[key] && + !isEmitListener(emits, key)) { + return true; + } + } + } + } + else { + // this path is only taken by manually written render functions + // so presence of any children leads to a forced update + if (prevChildren || nextChildren) { + if (!nextChildren || !nextChildren.$stable) { + return true; + } + } + if (prevProps === nextProps) { + return false; + } + if (!prevProps) { + return !!nextProps; + } + if (!nextProps) { + return true; + } + return hasPropsChanged(prevProps, nextProps, emits); + } + return false; + } + function hasPropsChanged(prevProps, nextProps, emitsOptions) { + const nextKeys = Object.keys(nextProps); + if (nextKeys.length !== Object.keys(prevProps).length) { + return true; + } + for (let i = 0; i < nextKeys.length; i++) { + const key = nextKeys[i]; + if (nextProps[key] !== prevProps[key] && + !isEmitListener(emitsOptions, key)) { + return true; + } + } + return false; + } + function updateHOCHostEl({ vnode, parent }, el // HostNode + ) { + while (parent && parent.subTree === vnode) { + (vnode = parent.vnode).el = el; + parent = parent.parent; + } + } + + const isSuspense = (type) => type.__isSuspense; + // Suspense exposes a component-like API, and is treated like a component + // in the compiler, but internally it's a special built-in type that hooks + // directly into the renderer. + const SuspenseImpl = { + // In order to make Suspense tree-shakable, we need to avoid importing it + // directly in the renderer. The renderer checks for the __isSuspense flag + // on a vnode's type and calls the `process` method, passing in renderer + // internals. + __isSuspense: true, + process(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, optimized, + // platform-specific impl passed from renderer + rendererInternals) { + if (n1 == null) { + mountSuspense(n2, container, anchor, parentComponent, parentSuspense, isSVG, optimized, rendererInternals); + } + else { + patchSuspense(n1, n2, container, anchor, parentComponent, isSVG, rendererInternals); + } + }, + hydrate: hydrateSuspense, + create: createSuspenseBoundary + }; + // Force-casted public typing for h and TSX props inference + const Suspense = ( SuspenseImpl + ); + function mountSuspense(vnode, container, anchor, parentComponent, parentSuspense, isSVG, optimized, rendererInternals) { + const { p: patch, o: { createElement } } = rendererInternals; + const hiddenContainer = createElement('div'); + const suspense = (vnode.suspense = createSuspenseBoundary(vnode, parentSuspense, parentComponent, container, hiddenContainer, anchor, isSVG, optimized, rendererInternals)); + // start mounting the content subtree in an off-dom container + patch(null, (suspense.pendingBranch = vnode.ssContent), hiddenContainer, null, parentComponent, suspense, isSVG); + // now check if we have encountered any async deps + if (suspense.deps > 0) { + // has async + // mount the fallback tree + patch(null, vnode.ssFallback, container, anchor, parentComponent, null, // fallback tree will not have suspense context + isSVG); + setActiveBranch(suspense, vnode.ssFallback); + } + else { + // Suspense has no async deps. Just resolve. + suspense.resolve(); + } + } + function patchSuspense(n1, n2, container, anchor, parentComponent, isSVG, { p: patch, um: unmount, o: { createElement } }) { + const suspense = (n2.suspense = n1.suspense); + suspense.vnode = n2; + n2.el = n1.el; + const newBranch = n2.ssContent; + const newFallback = n2.ssFallback; + const { activeBranch, pendingBranch, isInFallback, isHydrating } = suspense; + if (pendingBranch) { + suspense.pendingBranch = newBranch; + if (isSameVNodeType(newBranch, pendingBranch)) { + // same root type but content may have changed. + patch(pendingBranch, newBranch, suspense.hiddenContainer, null, parentComponent, suspense, isSVG); + if (suspense.deps <= 0) { + suspense.resolve(); + } + else if (isInFallback) { + patch(activeBranch, newFallback, container, anchor, parentComponent, null, // fallback tree will not have suspense context + isSVG); + setActiveBranch(suspense, newFallback); + } + } + else { + // toggled before pending tree is resolved + suspense.pendingId++; + if (isHydrating) { + // if toggled before hydration is finished, the current DOM tree is + // no longer valid. set it as the active branch so it will be unmounted + // when resolved + suspense.isHydrating = false; + suspense.activeBranch = pendingBranch; + } + else { + unmount(pendingBranch, parentComponent, suspense); + } + // increment pending ID. this is used to invalidate async callbacks + // reset suspense state + suspense.deps = 0; + // discard effects from pending branch + suspense.effects.length = 0; + // discard previous container + suspense.hiddenContainer = createElement('div'); + if (isInFallback) { + // already in fallback state + patch(null, newBranch, suspense.hiddenContainer, null, parentComponent, suspense, isSVG); + if (suspense.deps <= 0) { + suspense.resolve(); + } + else { + patch(activeBranch, newFallback, container, anchor, parentComponent, null, // fallback tree will not have suspense context + isSVG); + setActiveBranch(suspense, newFallback); + } + } + else if (activeBranch && isSameVNodeType(newBranch, activeBranch)) { + // toggled "back" to current active branch + patch(activeBranch, newBranch, container, anchor, parentComponent, suspense, isSVG); + // force resolve + suspense.resolve(true); + } + else { + // switched to a 3rd branch + patch(null, newBranch, suspense.hiddenContainer, null, parentComponent, suspense, isSVG); + if (suspense.deps <= 0) { + suspense.resolve(); + } + } + } + } + else { + if (activeBranch && isSameVNodeType(newBranch, activeBranch)) { + // root did not change, just normal patch + patch(activeBranch, newBranch, container, anchor, parentComponent, suspense, isSVG); + setActiveBranch(suspense, newBranch); + } + else { + // root node toggled + // invoke @pending event + const onPending = n2.props && n2.props.onPending; + if (isFunction(onPending)) { + onPending(); + } + // mount pending branch in off-dom container + suspense.pendingBranch = newBranch; + suspense.pendingId++; + patch(null, newBranch, suspense.hiddenContainer, null, parentComponent, suspense, isSVG); + if (suspense.deps <= 0) { + // incoming branch has no async deps, resolve now. + suspense.resolve(); + } + else { + const { timeout, pendingId } = suspense; + if (timeout > 0) { + setTimeout(() => { + if (suspense.pendingId === pendingId) { + suspense.fallback(newFallback); + } + }, timeout); + } + else if (timeout === 0) { + suspense.fallback(newFallback); + } + } + } + } + } + let hasWarned = false; + function createSuspenseBoundary(vnode, parent, parentComponent, container, hiddenContainer, anchor, isSVG, optimized, rendererInternals, isHydrating = false) { + /* istanbul ignore if */ + if ( !hasWarned) { + hasWarned = true; + // @ts-ignore `console.info` cannot be null error + console[console.info ? 'info' : 'log'](` is an experimental feature and its API will likely change.`); + } + const { p: patch, m: move, um: unmount, n: next, o: { parentNode, remove } } = rendererInternals; + const timeout = toNumber(vnode.props && vnode.props.timeout); + const suspense = { + vnode, + parent, + parentComponent, + isSVG, + container, + hiddenContainer, + anchor, + deps: 0, + pendingId: 0, + timeout: typeof timeout === 'number' ? timeout : -1, + activeBranch: null, + pendingBranch: null, + isInFallback: true, + isHydrating, + isUnmounted: false, + effects: [], + resolve(resume = false) { + { + if (!resume && !suspense.pendingBranch) { + throw new Error(`suspense.resolve() is called without a pending branch.`); + } + if (suspense.isUnmounted) { + throw new Error(`suspense.resolve() is called on an already unmounted suspense boundary.`); + } + } + const { vnode, activeBranch, pendingBranch, pendingId, effects, parentComponent, container } = suspense; + if (suspense.isHydrating) { + suspense.isHydrating = false; + } + else if (!resume) { + const delayEnter = activeBranch && + pendingBranch.transition && + pendingBranch.transition.mode === 'out-in'; + if (delayEnter) { + activeBranch.transition.afterLeave = () => { + if (pendingId === suspense.pendingId) { + move(pendingBranch, container, anchor, 0 /* ENTER */); + } + }; + } + // this is initial anchor on mount + let { anchor } = suspense; + // unmount current active tree + if (activeBranch) { + // if the fallback tree was mounted, it may have been moved + // as part of a parent suspense. get the latest anchor for insertion + anchor = next(activeBranch); + unmount(activeBranch, parentComponent, suspense, true); + } + if (!delayEnter) { + // move content from off-dom container to actual container + move(pendingBranch, container, anchor, 0 /* ENTER */); + } + } + setActiveBranch(suspense, pendingBranch); + suspense.pendingBranch = null; + suspense.isInFallback = false; + // flush buffered effects + // check if there is a pending parent suspense + let parent = suspense.parent; + let hasUnresolvedAncestor = false; + while (parent) { + if (parent.pendingBranch) { + // found a pending parent suspense, merge buffered post jobs + // into that parent + parent.effects.push(...effects); + hasUnresolvedAncestor = true; + break; + } + parent = parent.parent; + } + // no pending parent suspense, flush all jobs + if (!hasUnresolvedAncestor) { + queuePostFlushCb(effects); + } + suspense.effects = []; + // invoke @resolve event + const onResolve = vnode.props && vnode.props.onResolve; + if (isFunction(onResolve)) { + onResolve(); + } + }, + fallback(fallbackVNode) { + if (!suspense.pendingBranch) { + return; + } + const { vnode, activeBranch, parentComponent, container, isSVG } = suspense; + // invoke @fallback event + const onFallback = vnode.props && vnode.props.onFallback; + if (isFunction(onFallback)) { + onFallback(); + } + const anchor = next(activeBranch); + const mountFallback = () => { + if (!suspense.isInFallback) { + return; + } + // mount the fallback tree + patch(null, fallbackVNode, container, anchor, parentComponent, null, // fallback tree will not have suspense context + isSVG); + setActiveBranch(suspense, fallbackVNode); + }; + const delayEnter = fallbackVNode.transition && fallbackVNode.transition.mode === 'out-in'; + if (delayEnter) { + activeBranch.transition.afterLeave = mountFallback; + } + // unmount current active branch + unmount(activeBranch, parentComponent, null, // no suspense so unmount hooks fire now + true // shouldRemove + ); + suspense.isInFallback = true; + if (!delayEnter) { + mountFallback(); + } + }, + move(container, anchor, type) { + suspense.activeBranch && + move(suspense.activeBranch, container, anchor, type); + suspense.container = container; + }, + next() { + return suspense.activeBranch && next(suspense.activeBranch); + }, + registerDep(instance, setupRenderEffect) { + if (!suspense.pendingBranch) { + return; + } + const hydratedEl = instance.vnode.el; + suspense.deps++; + instance + .asyncDep.catch(err => { + handleError(err, instance, 0 /* SETUP_FUNCTION */); + }) + .then(asyncSetupResult => { + // retry when the setup() promise resolves. + // component may have been unmounted before resolve. + if (instance.isUnmounted || + suspense.isUnmounted || + suspense.pendingId !== instance.suspenseId) { + return; + } + suspense.deps--; + // retry from this component + instance.asyncResolved = true; + const { vnode } = instance; + { + pushWarningContext(vnode); + } + handleSetupResult(instance, asyncSetupResult); + if (hydratedEl) { + // vnode may have been replaced if an update happened before the + // async dep is resolved. + vnode.el = hydratedEl; + } + const placeholder = !hydratedEl && instance.subTree.el; + setupRenderEffect(instance, vnode, + // component may have been moved before resolve. + // if this is not a hydration, instance.subTree will be the comment + // placeholder. + parentNode(hydratedEl || instance.subTree.el), + // anchor will not be used if this is hydration, so only need to + // consider the comment placeholder case. + hydratedEl ? null : next(instance.subTree), suspense, isSVG, optimized); + if (placeholder) { + remove(placeholder); + } + updateHOCHostEl(instance, vnode.el); + { + popWarningContext(); + } + if (suspense.deps === 0) { + suspense.resolve(); + } + }); + }, + unmount(parentSuspense, doRemove) { + suspense.isUnmounted = true; + if (suspense.activeBranch) { + unmount(suspense.activeBranch, parentComponent, parentSuspense, doRemove); + } + if (suspense.pendingBranch) { + unmount(suspense.pendingBranch, parentComponent, parentSuspense, doRemove); + } + } + }; + return suspense; + } + function hydrateSuspense(node, vnode, parentComponent, parentSuspense, isSVG, optimized, rendererInternals, hydrateNode) { + /* eslint-disable no-restricted-globals */ + const suspense = (vnode.suspense = createSuspenseBoundary(vnode, parentSuspense, parentComponent, node.parentNode, document.createElement('div'), null, isSVG, optimized, rendererInternals, true /* hydrating */)); + // there are two possible scenarios for server-rendered suspense: + // - success: ssr content should be fully resolved + // - failure: ssr content should be the fallback branch. + // however, on the client we don't really know if it has failed or not + // attempt to hydrate the DOM assuming it has succeeded, but we still + // need to construct a suspense boundary first + const result = hydrateNode(node, (suspense.pendingBranch = vnode.ssContent), parentComponent, suspense, optimized); + if (suspense.deps === 0) { + suspense.resolve(); + } + return result; + /* eslint-enable no-restricted-globals */ + } + function normalizeSuspenseChildren(vnode) { + const { shapeFlag, children } = vnode; + let content; + let fallback; + if (shapeFlag & 32 /* SLOTS_CHILDREN */) { + content = normalizeSuspenseSlot(children.default); + fallback = normalizeSuspenseSlot(children.fallback); + } + else { + content = normalizeSuspenseSlot(children); + fallback = normalizeVNode(null); + } + return { + content, + fallback + }; + } + function normalizeSuspenseSlot(s) { + if (isFunction(s)) { + s = s(); + } + if (isArray(s)) { + const singleChild = filterSingleRoot(s); + if ( !singleChild) { + warn(` slots expect a single root node.`); + } + s = singleChild; + } + return normalizeVNode(s); + } + function queueEffectWithSuspense(fn, suspense) { + if (suspense && suspense.pendingBranch) { + if (isArray(fn)) { + suspense.effects.push(...fn); + } + else { + suspense.effects.push(fn); + } + } + else { + queuePostFlushCb(fn); + } + } + function setActiveBranch(suspense, branch) { + suspense.activeBranch = branch; + const { vnode, parentComponent } = suspense; + const el = (vnode.el = branch.el); + // in case suspense is the root node of a component, + // recursively update the HOC el + if (parentComponent && parentComponent.subTree === vnode) { + parentComponent.vnode.el = el; + updateHOCHostEl(parentComponent, el); + } + } + + let isRenderingCompiledSlot = 0; + const setCompiledSlotRendering = (n) => (isRenderingCompiledSlot += n); + /** + * Compiler runtime helper for rendering `` + * @private + */ + function renderSlot(slots, name, props = {}, + // this is not a user-facing function, so the fallback is always generated by + // the compiler and guaranteed to be a function returning an array + fallback) { + let slot = slots[name]; + if ( slot && slot.length > 1) { + warn(`SSR-optimized slot function detected in a non-SSR-optimized render ` + + `function. You need to mark this component with $dynamic-slots in the ` + + `parent template.`); + slot = () => []; + } + // a compiled slot disables block tracking by default to avoid manual + // invocation interfering with template-based block tracking, but in + // `renderSlot` we can be sure that it's template-based so we can force + // enable it. + isRenderingCompiledSlot++; + const rendered = (openBlock(), + createBlock(Fragment, { key: props.key }, slot ? slot(props) : fallback ? fallback() : [], slots._ === 1 /* STABLE */ + ? 64 /* STABLE_FRAGMENT */ + : -2 /* BAIL */)); + isRenderingCompiledSlot--; + return rendered; + } + + /** + * Wrap a slot function to memoize current rendering instance + * @private + */ + function withCtx(fn, ctx = currentRenderingInstance) { + if (!ctx) + return fn; + const renderFnWithContext = (...args) => { + // If a user calls a compiled slot inside a template expression (#1745), it + // can mess up block tracking, so by default we need to push a null block to + // avoid that. This isn't necessary if rendering a compiled ``. + if (!isRenderingCompiledSlot) { + openBlock(true /* null block that disables tracking */); + } + const owner = currentRenderingInstance; + setCurrentRenderingInstance(ctx); + const res = fn(...args); + setCurrentRenderingInstance(owner); + if (!isRenderingCompiledSlot) { + closeBlock(); + } + return res; + }; + renderFnWithContext._c = true; + return renderFnWithContext; + } + + // SFC scoped style ID management. + let currentScopeId = null; + const scopeIdStack = []; + /** + * @private + */ + function pushScopeId(id) { + scopeIdStack.push((currentScopeId = id)); + } + /** + * @private + */ + function popScopeId() { + scopeIdStack.pop(); + currentScopeId = scopeIdStack[scopeIdStack.length - 1] || null; + } + /** + * @private + */ + function withScopeId(id) { + return ((fn) => withCtx(function () { + pushScopeId(id); + const res = fn.apply(this, arguments); + popScopeId(); + return res; + })); + } + + function initProps(instance, rawProps, isStateful, // result of bitwise flag comparison + isSSR = false) { + const props = {}; + const attrs = {}; + def(attrs, InternalObjectKey, 1); + setFullProps(instance, rawProps, props, attrs); + // validation + { + validateProps(props, instance); + } + if (isStateful) { + // stateful + instance.props = isSSR ? props : shallowReactive(props); + } + else { + if (!instance.type.props) { + // functional w/ optional props, props === attrs + instance.props = attrs; + } + else { + // functional w/ declared props + instance.props = props; + } + } + instance.attrs = attrs; + } + function updateProps(instance, rawProps, rawPrevProps, optimized) { + const { props, attrs, vnode: { patchFlag } } = instance; + const rawCurrentProps = toRaw(props); + const [options] = instance.propsOptions; + if ( + // always force full diff in dev + // - #1942 if hmr is enabled with sfc component + // - vite#872 non-sfc component used by sfc component + !( + (instance.type.__hmrId || + (instance.parent && instance.parent.type.__hmrId))) && + (optimized || patchFlag > 0) && + !(patchFlag & 16 /* FULL_PROPS */)) { + if (patchFlag & 8 /* PROPS */) { + // Compiler-generated props & no keys change, just set the updated + // the props. + const propsToUpdate = instance.vnode.dynamicProps; + for (let i = 0; i < propsToUpdate.length; i++) { + const key = propsToUpdate[i]; + // PROPS flag guarantees rawProps to be non-null + const value = rawProps[key]; + if (options) { + // attr / props separation was done on init and will be consistent + // in this code path, so just check if attrs have it. + if (hasOwn(attrs, key)) { + attrs[key] = value; + } + else { + const camelizedKey = camelize(key); + props[camelizedKey] = resolvePropValue(options, rawCurrentProps, camelizedKey, value, instance); + } + } + else { + attrs[key] = value; + } + } + } + } + else { + // full props update. + setFullProps(instance, rawProps, props, attrs); + // in case of dynamic props, check if we need to delete keys from + // the props object + let kebabKey; + for (const key in rawCurrentProps) { + if (!rawProps || + // for camelCase + (!hasOwn(rawProps, key) && + // it's possible the original props was passed in as kebab-case + // and converted to camelCase (#955) + ((kebabKey = hyphenate(key)) === key || !hasOwn(rawProps, kebabKey)))) { + if (options) { + if (rawPrevProps && + // for camelCase + (rawPrevProps[key] !== undefined || + // for kebab-case + rawPrevProps[kebabKey] !== undefined)) { + props[key] = resolvePropValue(options, rawProps || EMPTY_OBJ, key, undefined, instance); + } + } + else { + delete props[key]; + } + } + } + // in the case of functional component w/o props declaration, props and + // attrs point to the same object so it should already have been updated. + if (attrs !== rawCurrentProps) { + for (const key in attrs) { + if (!rawProps || !hasOwn(rawProps, key)) { + delete attrs[key]; + } + } + } + } + // trigger updates for $attrs in case it's used in component slots + trigger(instance, "set" /* SET */, '$attrs'); + if ( rawProps) { + validateProps(props, instance); + } + } + function setFullProps(instance, rawProps, props, attrs) { + const [options, needCastKeys] = instance.propsOptions; + if (rawProps) { + for (const key in rawProps) { + const value = rawProps[key]; + // key, ref are reserved and never passed down + if (isReservedProp(key)) { + continue; + } + // prop option names are camelized during normalization, so to support + // kebab -> camel conversion here we need to camelize the key. + let camelKey; + if (options && hasOwn(options, (camelKey = camelize(key)))) { + props[camelKey] = value; + } + else if (!isEmitListener(instance.emitsOptions, key)) { + // Any non-declared (either as a prop or an emitted event) props are put + // into a separate `attrs` object for spreading. Make sure to preserve + // original key casing + attrs[key] = value; + } + } + } + if (needCastKeys) { + const rawCurrentProps = toRaw(props); + for (let i = 0; i < needCastKeys.length; i++) { + const key = needCastKeys[i]; + props[key] = resolvePropValue(options, rawCurrentProps, key, rawCurrentProps[key], instance); + } + } + } + function resolvePropValue(options, props, key, value, instance) { + const opt = options[key]; + if (opt != null) { + const hasDefault = hasOwn(opt, 'default'); + // default values + if (hasDefault && value === undefined) { + const defaultValue = opt.default; + if (opt.type !== Function && isFunction(defaultValue)) { + setCurrentInstance(instance); + value = defaultValue(props); + setCurrentInstance(null); + } + else { + value = defaultValue; + } + } + // boolean casting + if (opt[0 /* shouldCast */]) { + if (!hasOwn(props, key) && !hasDefault) { + value = false; + } + else if (opt[1 /* shouldCastTrue */] && + (value === '' || value === hyphenate(key))) { + value = true; + } + } + } + return value; + } + function normalizePropsOptions(comp, appContext, asMixin = false) { + if (!appContext.deopt && comp.__props) { + return comp.__props; + } + const raw = comp.props; + const normalized = {}; + const needCastKeys = []; + // apply mixin/extends props + let hasExtends = false; + if ( !isFunction(comp)) { + const extendProps = (raw) => { + hasExtends = true; + const [props, keys] = normalizePropsOptions(raw, appContext, true); + extend(normalized, props); + if (keys) + needCastKeys.push(...keys); + }; + if (!asMixin && appContext.mixins.length) { + appContext.mixins.forEach(extendProps); + } + if (comp.extends) { + extendProps(comp.extends); + } + if (comp.mixins) { + comp.mixins.forEach(extendProps); + } + } + if (!raw && !hasExtends) { + return (comp.__props = EMPTY_ARR); + } + if (isArray(raw)) { + for (let i = 0; i < raw.length; i++) { + if ( !isString(raw[i])) { + warn(`props must be strings when using array syntax.`, raw[i]); + } + const normalizedKey = camelize(raw[i]); + if (validatePropName(normalizedKey)) { + normalized[normalizedKey] = EMPTY_OBJ; + } + } + } + else if (raw) { + if ( !isObject(raw)) { + warn(`invalid props options`, raw); + } + for (const key in raw) { + const normalizedKey = camelize(key); + if (validatePropName(normalizedKey)) { + const opt = raw[key]; + const prop = (normalized[normalizedKey] = + isArray(opt) || isFunction(opt) ? { type: opt } : opt); + if (prop) { + const booleanIndex = getTypeIndex(Boolean, prop.type); + const stringIndex = getTypeIndex(String, prop.type); + prop[0 /* shouldCast */] = booleanIndex > -1; + prop[1 /* shouldCastTrue */] = + stringIndex < 0 || booleanIndex < stringIndex; + // if the prop needs boolean casting or default value + if (booleanIndex > -1 || hasOwn(prop, 'default')) { + needCastKeys.push(normalizedKey); + } + } + } + } + } + return (comp.__props = [normalized, needCastKeys]); + } + function validatePropName(key) { + if (key[0] !== '$') { + return true; + } + else { + warn(`Invalid prop name: "${key}" is a reserved property.`); + } + return false; + } + // use function string name to check type constructors + // so that it works across vms / iframes. + function getType(ctor) { + const match = ctor && ctor.toString().match(/^\s*function (\w+)/); + return match ? match[1] : ''; + } + function isSameType(a, b) { + return getType(a) === getType(b); + } + function getTypeIndex(type, expectedTypes) { + if (isArray(expectedTypes)) { + for (let i = 0, len = expectedTypes.length; i < len; i++) { + if (isSameType(expectedTypes[i], type)) { + return i; + } + } + } + else if (isFunction(expectedTypes)) { + return isSameType(expectedTypes, type) ? 0 : -1; + } + return -1; + } + /** + * dev only + */ + function validateProps(props, instance) { + const rawValues = toRaw(props); + const options = instance.propsOptions[0]; + for (const key in options) { + let opt = options[key]; + if (opt == null) + continue; + validateProp(key, rawValues[key], opt, !hasOwn(rawValues, key)); + } + } + /** + * dev only + */ + function validateProp(name, value, prop, isAbsent) { + const { type, required, validator } = prop; + // required! + if (required && isAbsent) { + warn('Missing required prop: "' + name + '"'); + return; + } + // missing but optional + if (value == null && !prop.required) { + return; + } + // type check + if (type != null && type !== true) { + let isValid = false; + const types = isArray(type) ? type : [type]; + const expectedTypes = []; + // value is valid as long as one of the specified types match + for (let i = 0; i < types.length && !isValid; i++) { + const { valid, expectedType } = assertType(value, types[i]); + expectedTypes.push(expectedType || ''); + isValid = valid; + } + if (!isValid) { + warn(getInvalidTypeMessage(name, value, expectedTypes)); + return; + } + } + // custom validator + if (validator && !validator(value)) { + warn('Invalid prop: custom validator check failed for prop "' + name + '".'); + } + } + const isSimpleType = /*#__PURE__*/ makeMap('String,Number,Boolean,Function,Symbol'); + /** + * dev only + */ + function assertType(value, type) { + let valid; + const expectedType = getType(type); + if (isSimpleType(expectedType)) { + const t = typeof value; + valid = t === expectedType.toLowerCase(); + // for primitive wrapper objects + if (!valid && t === 'object') { + valid = value instanceof type; + } + } + else if (expectedType === 'Object') { + valid = isObject(value); + } + else if (expectedType === 'Array') { + valid = isArray(value); + } + else { + valid = value instanceof type; + } + return { + valid, + expectedType + }; + } + /** + * dev only + */ + function getInvalidTypeMessage(name, value, expectedTypes) { + let message = `Invalid prop: type check failed for prop "${name}".` + + ` Expected ${expectedTypes.map(capitalize).join(', ')}`; + const expectedType = expectedTypes[0]; + const receivedType = toRawType(value); + const expectedValue = styleValue(value, expectedType); + const receivedValue = styleValue(value, receivedType); + // check if we need to specify expected value + if (expectedTypes.length === 1 && + isExplicable(expectedType) && + !isBoolean(expectedType, receivedType)) { + message += ` with value ${expectedValue}`; + } + message += `, got ${receivedType} `; + // check if we need to specify received value + if (isExplicable(receivedType)) { + message += `with value ${receivedValue}.`; + } + return message; + } + /** + * dev only + */ + function styleValue(value, type) { + if (type === 'String') { + return `"${value}"`; + } + else if (type === 'Number') { + return `${Number(value)}`; + } + else { + return `${value}`; + } + } + /** + * dev only + */ + function isExplicable(type) { + const explicitTypes = ['string', 'number', 'boolean']; + return explicitTypes.some(elem => type.toLowerCase() === elem); + } + /** + * dev only + */ + function isBoolean(...args) { + return args.some(elem => elem.toLowerCase() === 'boolean'); + } + + function injectHook(type, hook, target = currentInstance, prepend = false) { + if (target) { + const hooks = target[type] || (target[type] = []); + // cache the error handling wrapper for injected hooks so the same hook + // can be properly deduped by the scheduler. "__weh" stands for "with error + // handling". + const wrappedHook = hook.__weh || + (hook.__weh = (...args) => { + if (target.isUnmounted) { + return; + } + // disable tracking inside all lifecycle hooks + // since they can potentially be called inside effects. + pauseTracking(); + // Set currentInstance during hook invocation. + // This assumes the hook does not synchronously trigger other hooks, which + // can only be false when the user does something really funky. + setCurrentInstance(target); + const res = callWithAsyncErrorHandling(hook, target, type, args); + setCurrentInstance(null); + resetTracking(); + return res; + }); + if (prepend) { + hooks.unshift(wrappedHook); + } + else { + hooks.push(wrappedHook); + } + return wrappedHook; + } + else { + const apiName = toHandlerKey(ErrorTypeStrings[type].replace(/ hook$/, '')); + warn(`${apiName} is called when there is no active component instance to be ` + + `associated with. ` + + `Lifecycle injection APIs can only be used during execution of setup().` + + ( ` If you are using async setup(), make sure to register lifecycle ` + + `hooks before the first await statement.` + )); + } + } + const createHook = (lifecycle) => (hook, target = currentInstance) => + // post-create lifecycle registrations are noops during SSR + !isInSSRComponentSetup && injectHook(lifecycle, hook, target); + const onBeforeMount = createHook("bm" /* BEFORE_MOUNT */); + const onMounted = createHook("m" /* MOUNTED */); + const onBeforeUpdate = createHook("bu" /* BEFORE_UPDATE */); + const onUpdated = createHook("u" /* UPDATED */); + const onBeforeUnmount = createHook("bum" /* BEFORE_UNMOUNT */); + const onUnmounted = createHook("um" /* UNMOUNTED */); + const onRenderTriggered = createHook("rtg" /* RENDER_TRIGGERED */); + const onRenderTracked = createHook("rtc" /* RENDER_TRACKED */); + const onErrorCaptured = (hook, target = currentInstance) => { + injectHook("ec" /* ERROR_CAPTURED */, hook, target); + }; + + // Simple effect. + function watchEffect(effect, options) { + return doWatch(effect, null, options); + } + // initial value for watchers to trigger on undefined initial values + const INITIAL_WATCHER_VALUE = {}; + // implementation + function watch(source, cb, options) { + if ( !isFunction(cb)) { + warn(`\`watch(fn, options?)\` signature has been moved to a separate API. ` + + `Use \`watchEffect(fn, options?)\` instead. \`watch\` now only ` + + `supports \`watch(source, cb, options?) signature.`); + } + return doWatch(source, cb, options); + } + function doWatch(source, cb, { immediate, deep, flush, onTrack, onTrigger } = EMPTY_OBJ, instance = currentInstance) { + if ( !cb) { + if (immediate !== undefined) { + warn(`watch() "immediate" option is only respected when using the ` + + `watch(source, callback, options?) signature.`); + } + if (deep !== undefined) { + warn(`watch() "deep" option is only respected when using the ` + + `watch(source, callback, options?) signature.`); + } + } + const warnInvalidSource = (s) => { + warn(`Invalid watch source: `, s, `A watch source can only be a getter/effect function, a ref, ` + + `a reactive object, or an array of these types.`); + }; + let getter; + let forceTrigger = false; + if (isRef(source)) { + getter = () => source.value; + forceTrigger = !!source._shallow; + } + else if (isReactive(source)) { + getter = () => source; + deep = true; + } + else if (isArray(source)) { + getter = () => source.map(s => { + if (isRef(s)) { + return s.value; + } + else if (isReactive(s)) { + return traverse(s); + } + else if (isFunction(s)) { + return callWithErrorHandling(s, instance, 2 /* WATCH_GETTER */); + } + else { + warnInvalidSource(s); + } + }); + } + else if (isFunction(source)) { + if (cb) { + // getter with cb + getter = () => callWithErrorHandling(source, instance, 2 /* WATCH_GETTER */); + } + else { + // no cb -> simple effect + getter = () => { + if (instance && instance.isUnmounted) { + return; + } + if (cleanup) { + cleanup(); + } + return callWithErrorHandling(source, instance, 3 /* WATCH_CALLBACK */, [onInvalidate]); + }; + } + } + else { + getter = NOOP; + warnInvalidSource(source); + } + if (cb && deep) { + const baseGetter = getter; + getter = () => traverse(baseGetter()); + } + let cleanup; + const onInvalidate = (fn) => { + cleanup = runner.options.onStop = () => { + callWithErrorHandling(fn, instance, 4 /* WATCH_CLEANUP */); + }; + }; + let oldValue = isArray(source) ? [] : INITIAL_WATCHER_VALUE; + const job = () => { + if (!runner.active) { + return; + } + if (cb) { + // watch(source, cb) + const newValue = runner(); + if (deep || forceTrigger || hasChanged(newValue, oldValue)) { + // cleanup before running cb again + if (cleanup) { + cleanup(); + } + callWithAsyncErrorHandling(cb, instance, 3 /* WATCH_CALLBACK */, [ + newValue, + // pass undefined as the old value when it's changed for the first time + oldValue === INITIAL_WATCHER_VALUE ? undefined : oldValue, + onInvalidate + ]); + oldValue = newValue; + } + } + else { + // watchEffect + runner(); + } + }; + // important: mark the job as a watcher callback so that scheduler knows + // it is allowed to self-trigger (#1727) + job.allowRecurse = !!cb; + let scheduler; + if (flush === 'sync') { + scheduler = job; + } + else if (flush === 'post') { + scheduler = () => queuePostRenderEffect(job, instance && instance.suspense); + } + else { + // default: 'pre' + scheduler = () => { + if (!instance || instance.isMounted) { + queuePreFlushCb(job); + } + else { + // with 'pre' option, the first call must happen before + // the component is mounted so it is called synchronously. + job(); + } + }; + } + const runner = effect(getter, { + lazy: true, + onTrack, + onTrigger, + scheduler + }); + recordInstanceBoundEffect(runner); + // initial run + if (cb) { + if (immediate) { + job(); + } + else { + oldValue = runner(); + } + } + else if (flush === 'post') { + queuePostRenderEffect(runner, instance && instance.suspense); + } + else { + runner(); + } + return () => { + stop(runner); + if (instance) { + remove(instance.effects, runner); + } + }; + } + // this.$watch + function instanceWatch(source, cb, options) { + const publicThis = this.proxy; + const getter = isString(source) + ? () => publicThis[source] + : source.bind(publicThis); + return doWatch(getter, cb.bind(publicThis), options, this); + } + function traverse(value, seen = new Set()) { + if (!isObject(value) || seen.has(value)) { + return value; + } + seen.add(value); + if (isRef(value)) { + traverse(value.value, seen); + } + else if (isArray(value)) { + for (let i = 0; i < value.length; i++) { + traverse(value[i], seen); + } + } + else if (isSet(value) || isMap(value)) { + value.forEach((v) => { + traverse(v, seen); + }); + } + else { + for (const key in value) { + traverse(value[key], seen); + } + } + return value; + } + + function useTransitionState() { + const state = { + isMounted: false, + isLeaving: false, + isUnmounting: false, + leavingVNodes: new Map() + }; + onMounted(() => { + state.isMounted = true; + }); + onBeforeUnmount(() => { + state.isUnmounting = true; + }); + return state; + } + const TransitionHookValidator = [Function, Array]; + const BaseTransitionImpl = { + name: `BaseTransition`, + props: { + mode: String, + appear: Boolean, + persisted: Boolean, + // enter + onBeforeEnter: TransitionHookValidator, + onEnter: TransitionHookValidator, + onAfterEnter: TransitionHookValidator, + onEnterCancelled: TransitionHookValidator, + // leave + onBeforeLeave: TransitionHookValidator, + onLeave: TransitionHookValidator, + onAfterLeave: TransitionHookValidator, + onLeaveCancelled: TransitionHookValidator, + // appear + onBeforeAppear: TransitionHookValidator, + onAppear: TransitionHookValidator, + onAfterAppear: TransitionHookValidator, + onAppearCancelled: TransitionHookValidator + }, + setup(props, { slots }) { + const instance = getCurrentInstance(); + const state = useTransitionState(); + let prevTransitionKey; + return () => { + const children = slots.default && getTransitionRawChildren(slots.default(), true); + if (!children || !children.length) { + return; + } + // warn multiple elements + if ( children.length > 1) { + warn(' can only be used on a single element or component. Use ' + + ' for lists.'); + } + // there's no need to track reactivity for these props so use the raw + // props for a bit better perf + const rawProps = toRaw(props); + const { mode } = rawProps; + // check mode + if ( mode && !['in-out', 'out-in', 'default'].includes(mode)) { + warn(`invalid mode: ${mode}`); + } + // at this point children has a guaranteed length of 1. + const child = children[0]; + if (state.isLeaving) { + return emptyPlaceholder(child); + } + // in the case of , we need to + // compare the type of the kept-alive children. + const innerChild = getKeepAliveChild(child); + if (!innerChild) { + return emptyPlaceholder(child); + } + const enterHooks = resolveTransitionHooks(innerChild, rawProps, state, instance); + setTransitionHooks(innerChild, enterHooks); + const oldChild = instance.subTree; + const oldInnerChild = oldChild && getKeepAliveChild(oldChild); + let transitionKeyChanged = false; + const { getTransitionKey } = innerChild.type; + if (getTransitionKey) { + const key = getTransitionKey(); + if (prevTransitionKey === undefined) { + prevTransitionKey = key; + } + else if (key !== prevTransitionKey) { + prevTransitionKey = key; + transitionKeyChanged = true; + } + } + // handle mode + if (oldInnerChild && + oldInnerChild.type !== Comment && + (!isSameVNodeType(innerChild, oldInnerChild) || transitionKeyChanged)) { + const leavingHooks = resolveTransitionHooks(oldInnerChild, rawProps, state, instance); + // update old tree's hooks in case of dynamic transition + setTransitionHooks(oldInnerChild, leavingHooks); + // switching between different views + if (mode === 'out-in') { + state.isLeaving = true; + // return placeholder node and queue update when leave finishes + leavingHooks.afterLeave = () => { + state.isLeaving = false; + instance.update(); + }; + return emptyPlaceholder(child); + } + else if (mode === 'in-out') { + leavingHooks.delayLeave = (el, earlyRemove, delayedLeave) => { + const leavingVNodesCache = getLeavingNodesForType(state, oldInnerChild); + leavingVNodesCache[String(oldInnerChild.key)] = oldInnerChild; + // early removal callback + el._leaveCb = () => { + earlyRemove(); + el._leaveCb = undefined; + delete enterHooks.delayedLeave; + }; + enterHooks.delayedLeave = delayedLeave; + }; + } + } + return child; + }; + } + }; + // export the public type for h/tsx inference + // also to avoid inline import() in generated d.ts files + const BaseTransition = BaseTransitionImpl; + function getLeavingNodesForType(state, vnode) { + const { leavingVNodes } = state; + let leavingVNodesCache = leavingVNodes.get(vnode.type); + if (!leavingVNodesCache) { + leavingVNodesCache = Object.create(null); + leavingVNodes.set(vnode.type, leavingVNodesCache); + } + return leavingVNodesCache; + } + // The transition hooks are attached to the vnode as vnode.transition + // and will be called at appropriate timing in the renderer. + function resolveTransitionHooks(vnode, props, state, instance) { + const { appear, mode, persisted = false, onBeforeEnter, onEnter, onAfterEnter, onEnterCancelled, onBeforeLeave, onLeave, onAfterLeave, onLeaveCancelled, onBeforeAppear, onAppear, onAfterAppear, onAppearCancelled } = props; + const key = String(vnode.key); + const leavingVNodesCache = getLeavingNodesForType(state, vnode); + const callHook = (hook, args) => { + hook && + callWithAsyncErrorHandling(hook, instance, 9 /* TRANSITION_HOOK */, args); + }; + const hooks = { + mode, + persisted, + beforeEnter(el) { + let hook = onBeforeEnter; + if (!state.isMounted) { + if (appear) { + hook = onBeforeAppear || onBeforeEnter; + } + else { + return; + } + } + // for same element (v-show) + if (el._leaveCb) { + el._leaveCb(true /* cancelled */); + } + // for toggled element with same key (v-if) + const leavingVNode = leavingVNodesCache[key]; + if (leavingVNode && + isSameVNodeType(vnode, leavingVNode) && + leavingVNode.el._leaveCb) { + // force early removal (not cancelled) + leavingVNode.el._leaveCb(); + } + callHook(hook, [el]); + }, + enter(el) { + let hook = onEnter; + let afterHook = onAfterEnter; + let cancelHook = onEnterCancelled; + if (!state.isMounted) { + if (appear) { + hook = onAppear || onEnter; + afterHook = onAfterAppear || onAfterEnter; + cancelHook = onAppearCancelled || onEnterCancelled; + } + else { + return; + } + } + let called = false; + const done = (el._enterCb = (cancelled) => { + if (called) + return; + called = true; + if (cancelled) { + callHook(cancelHook, [el]); + } + else { + callHook(afterHook, [el]); + } + if (hooks.delayedLeave) { + hooks.delayedLeave(); + } + el._enterCb = undefined; + }); + if (hook) { + hook(el, done); + if (hook.length <= 1) { + done(); + } + } + else { + done(); + } + }, + leave(el, remove) { + const key = String(vnode.key); + if (el._enterCb) { + el._enterCb(true /* cancelled */); + } + if (state.isUnmounting) { + return remove(); + } + callHook(onBeforeLeave, [el]); + let called = false; + const done = (el._leaveCb = (cancelled) => { + if (called) + return; + called = true; + remove(); + if (cancelled) { + callHook(onLeaveCancelled, [el]); + } + else { + callHook(onAfterLeave, [el]); + } + el._leaveCb = undefined; + if (leavingVNodesCache[key] === vnode) { + delete leavingVNodesCache[key]; + } + }); + leavingVNodesCache[key] = vnode; + if (onLeave) { + onLeave(el, done); + if (onLeave.length <= 1) { + done(); + } + } + else { + done(); + } + }, + clone(vnode) { + return resolveTransitionHooks(vnode, props, state, instance); + } + }; + return hooks; + } + // the placeholder really only handles one special case: KeepAlive + // in the case of a KeepAlive in a leave phase we need to return a KeepAlive + // placeholder with empty content to avoid the KeepAlive instance from being + // unmounted. + function emptyPlaceholder(vnode) { + if (isKeepAlive(vnode)) { + vnode = cloneVNode(vnode); + vnode.children = null; + return vnode; + } + } + function getKeepAliveChild(vnode) { + return isKeepAlive(vnode) + ? vnode.children + ? vnode.children[0] + : undefined + : vnode; + } + function setTransitionHooks(vnode, hooks) { + if (vnode.shapeFlag & 6 /* COMPONENT */ && vnode.component) { + setTransitionHooks(vnode.component.subTree, hooks); + } + else if ( vnode.shapeFlag & 128 /* SUSPENSE */) { + vnode.ssContent.transition = hooks.clone(vnode.ssContent); + vnode.ssFallback.transition = hooks.clone(vnode.ssFallback); + } + else { + vnode.transition = hooks; + } + } + function getTransitionRawChildren(children, keepComment = false) { + let ret = []; + let keyedFragmentCount = 0; + for (let i = 0; i < children.length; i++) { + const child = children[i]; + // handle fragment children case, e.g. v-for + if (child.type === Fragment) { + if (child.patchFlag & 128 /* KEYED_FRAGMENT */) + keyedFragmentCount++; + ret = ret.concat(getTransitionRawChildren(child.children, keepComment)); + } + // comment placeholders should be skipped, e.g. v-if + else if (keepComment || child.type !== Comment) { + ret.push(child); + } + } + // #1126 if a transition children list contains multiple sub fragments, these + // fragments will be merged into a flat children array. Since each v-for + // fragment may contain different static bindings inside, we need to de-top + // these children to force full diffs to ensure correct behavior. + if (keyedFragmentCount > 1) { + for (let i = 0; i < ret.length; i++) { + ret[i].patchFlag = -2 /* BAIL */; + } + } + return ret; + } + + const isKeepAlive = (vnode) => vnode.type.__isKeepAlive; + const KeepAliveImpl = { + name: `KeepAlive`, + // Marker for special handling inside the renderer. We are not using a === + // check directly on KeepAlive in the renderer, because importing it directly + // would prevent it from being tree-shaken. + __isKeepAlive: true, + inheritRef: true, + props: { + include: [String, RegExp, Array], + exclude: [String, RegExp, Array], + max: [String, Number] + }, + setup(props, { slots }) { + const cache = new Map(); + const keys = new Set(); + let current = null; + const instance = getCurrentInstance(); + const parentSuspense = instance.suspense; + // KeepAlive communicates with the instantiated renderer via the + // ctx where the renderer passes in its internals, + // and the KeepAlive instance exposes activate/deactivate implementations. + // The whole point of this is to avoid importing KeepAlive directly in the + // renderer to facilitate tree-shaking. + const sharedContext = instance.ctx; + const { renderer: { p: patch, m: move, um: _unmount, o: { createElement } } } = sharedContext; + const storageContainer = createElement('div'); + sharedContext.activate = (vnode, container, anchor, isSVG, optimized) => { + const instance = vnode.component; + move(vnode, container, anchor, 0 /* ENTER */, parentSuspense); + // in case props have changed + patch(instance.vnode, vnode, container, anchor, instance, parentSuspense, isSVG, optimized); + queuePostRenderEffect(() => { + instance.isDeactivated = false; + if (instance.a) { + invokeArrayFns(instance.a); + } + const vnodeHook = vnode.props && vnode.props.onVnodeMounted; + if (vnodeHook) { + invokeVNodeHook(vnodeHook, instance.parent, vnode); + } + }, parentSuspense); + }; + sharedContext.deactivate = (vnode) => { + const instance = vnode.component; + move(vnode, storageContainer, null, 1 /* LEAVE */, parentSuspense); + queuePostRenderEffect(() => { + if (instance.da) { + invokeArrayFns(instance.da); + } + const vnodeHook = vnode.props && vnode.props.onVnodeUnmounted; + if (vnodeHook) { + invokeVNodeHook(vnodeHook, instance.parent, vnode); + } + instance.isDeactivated = true; + }, parentSuspense); + }; + function unmount(vnode) { + // reset the shapeFlag so it can be properly unmounted + resetShapeFlag(vnode); + _unmount(vnode, instance, parentSuspense); + } + function pruneCache(filter) { + cache.forEach((vnode, key) => { + const name = getName(vnode.type); + if (name && (!filter || !filter(name))) { + pruneCacheEntry(key); + } + }); + } + function pruneCacheEntry(key) { + const cached = cache.get(key); + if (!current || cached.type !== current.type) { + unmount(cached); + } + else if (current) { + // current active instance should no longer be kept-alive. + // we can't unmount it now but it might be later, so reset its flag now. + resetShapeFlag(current); + } + cache.delete(key); + keys.delete(key); + } + // prune cache on include/exclude prop change + watch(() => [props.include, props.exclude], ([include, exclude]) => { + include && pruneCache(name => matches(include, name)); + exclude && pruneCache(name => !matches(exclude, name)); + }, + // prune post-render after `current` has been updated + { flush: 'post' }); + // cache sub tree after render + let pendingCacheKey = null; + const cacheSubtree = () => { + // fix #1621, the pendingCacheKey could be 0 + if (pendingCacheKey != null) { + cache.set(pendingCacheKey, getInnerChild(instance.subTree)); + } + }; + onMounted(cacheSubtree); + onUpdated(cacheSubtree); + onBeforeUnmount(() => { + cache.forEach(cached => { + const { subTree, suspense } = instance; + const vnode = getInnerChild(subTree); + if (cached.type === vnode.type) { + // current instance will be unmounted as part of keep-alive's unmount + resetShapeFlag(vnode); + // but invoke its deactivated hook here + const da = vnode.component.da; + da && queuePostRenderEffect(da, suspense); + return; + } + unmount(cached); + }); + }); + return () => { + pendingCacheKey = null; + if (!slots.default) { + return null; + } + const children = slots.default(); + const rawVNode = children[0]; + if (children.length > 1) { + { + warn(`KeepAlive should contain exactly one component child.`); + } + current = null; + return children; + } + else if (!isVNode(rawVNode) || + (!(rawVNode.shapeFlag & 4 /* STATEFUL_COMPONENT */) && + !(rawVNode.shapeFlag & 128 /* SUSPENSE */))) { + current = null; + return rawVNode; + } + let vnode = getInnerChild(rawVNode); + const comp = vnode.type; + const name = getName(comp); + const { include, exclude, max } = props; + if ((include && (!name || !matches(include, name))) || + (exclude && name && matches(exclude, name))) { + current = vnode; + return rawVNode; + } + const key = vnode.key == null ? comp : vnode.key; + const cachedVNode = cache.get(key); + // clone vnode if it's reused because we are going to mutate it + if (vnode.el) { + vnode = cloneVNode(vnode); + if (rawVNode.shapeFlag & 128 /* SUSPENSE */) { + rawVNode.ssContent = vnode; + } + } + // #1513 it's possible for the returned vnode to be cloned due to attr + // fallthrough or scopeId, so the vnode here may not be the final vnode + // that is mounted. Instead of caching it directly, we store the pending + // key and cache `instance.subTree` (the normalized vnode) in + // beforeMount/beforeUpdate hooks. + pendingCacheKey = key; + if (cachedVNode) { + // copy over mounted state + vnode.el = cachedVNode.el; + vnode.component = cachedVNode.component; + if (vnode.transition) { + // recursively update transition hooks on subTree + setTransitionHooks(vnode, vnode.transition); + } + // avoid vnode being mounted as fresh + vnode.shapeFlag |= 512 /* COMPONENT_KEPT_ALIVE */; + // make this key the freshest + keys.delete(key); + keys.add(key); + } + else { + keys.add(key); + // prune oldest entry + if (max && keys.size > parseInt(max, 10)) { + pruneCacheEntry(keys.values().next().value); + } + } + // avoid vnode being unmounted + vnode.shapeFlag |= 256 /* COMPONENT_SHOULD_KEEP_ALIVE */; + current = vnode; + return rawVNode; + }; + } + }; + // export the public type for h/tsx inference + // also to avoid inline import() in generated d.ts files + const KeepAlive = KeepAliveImpl; + function getName(comp) { + return comp.displayName || comp.name; + } + function matches(pattern, name) { + if (isArray(pattern)) { + return pattern.some((p) => matches(p, name)); + } + else if (isString(pattern)) { + return pattern.split(',').indexOf(name) > -1; + } + else if (pattern.test) { + return pattern.test(name); + } + /* istanbul ignore next */ + return false; + } + function onActivated(hook, target) { + registerKeepAliveHook(hook, "a" /* ACTIVATED */, target); + } + function onDeactivated(hook, target) { + registerKeepAliveHook(hook, "da" /* DEACTIVATED */, target); + } + function registerKeepAliveHook(hook, type, target = currentInstance) { + // cache the deactivate branch check wrapper for injected hooks so the same + // hook can be properly deduped by the scheduler. "__wdc" stands for "with + // deactivation check". + const wrappedHook = hook.__wdc || + (hook.__wdc = () => { + // only fire the hook if the target instance is NOT in a deactivated branch. + let current = target; + while (current) { + if (current.isDeactivated) { + return; + } + current = current.parent; + } + hook(); + }); + injectHook(type, wrappedHook, target); + // In addition to registering it on the target instance, we walk up the parent + // chain and register it on all ancestor instances that are keep-alive roots. + // This avoids the need to walk the entire component tree when invoking these + // hooks, and more importantly, avoids the need to track child components in + // arrays. + if (target) { + let current = target.parent; + while (current && current.parent) { + if (isKeepAlive(current.parent.vnode)) { + injectToKeepAliveRoot(wrappedHook, type, target, current); + } + current = current.parent; + } + } + } + function injectToKeepAliveRoot(hook, type, target, keepAliveRoot) { + // injectHook wraps the original for error handling, so make sure to remove + // the wrapped version. + const injected = injectHook(type, hook, keepAliveRoot, true /* prepend */); + onUnmounted(() => { + remove(keepAliveRoot[type], injected); + }, target); + } + function resetShapeFlag(vnode) { + let shapeFlag = vnode.shapeFlag; + if (shapeFlag & 256 /* COMPONENT_SHOULD_KEEP_ALIVE */) { + shapeFlag -= 256 /* COMPONENT_SHOULD_KEEP_ALIVE */; + } + if (shapeFlag & 512 /* COMPONENT_KEPT_ALIVE */) { + shapeFlag -= 512 /* COMPONENT_KEPT_ALIVE */; + } + vnode.shapeFlag = shapeFlag; + } + function getInnerChild(vnode) { + return vnode.shapeFlag & 128 /* SUSPENSE */ ? vnode.ssContent : vnode; + } + + const isInternalKey = (key) => key[0] === '_' || key === '$stable'; + const normalizeSlotValue = (value) => isArray(value) + ? value.map(normalizeVNode) + : [normalizeVNode(value)]; + const normalizeSlot = (key, rawSlot, ctx) => withCtx((props) => { + if ( currentInstance) { + warn(`Slot "${key}" invoked outside of the render function: ` + + `this will not track dependencies used in the slot. ` + + `Invoke the slot function inside the render function instead.`); + } + return normalizeSlotValue(rawSlot(props)); + }, ctx); + const normalizeObjectSlots = (rawSlots, slots) => { + const ctx = rawSlots._ctx; + for (const key in rawSlots) { + if (isInternalKey(key)) + continue; + const value = rawSlots[key]; + if (isFunction(value)) { + slots[key] = normalizeSlot(key, value, ctx); + } + else if (value != null) { + { + warn(`Non-function value encountered for slot "${key}". ` + + `Prefer function slots for better performance.`); + } + const normalized = normalizeSlotValue(value); + slots[key] = () => normalized; + } + } + }; + const normalizeVNodeSlots = (instance, children) => { + if ( !isKeepAlive(instance.vnode)) { + warn(`Non-function value encountered for default slot. ` + + `Prefer function slots for better performance.`); + } + const normalized = normalizeSlotValue(children); + instance.slots.default = () => normalized; + }; + const initSlots = (instance, children) => { + if (instance.vnode.shapeFlag & 32 /* SLOTS_CHILDREN */) { + const type = children._; + if (type) { + instance.slots = children; + // make compiler marker non-enumerable + def(children, '_', type); + } + else { + normalizeObjectSlots(children, (instance.slots = {})); + } + } + else { + instance.slots = {}; + if (children) { + normalizeVNodeSlots(instance, children); + } + } + def(instance.slots, InternalObjectKey, 1); + }; + const updateSlots = (instance, children) => { + const { vnode, slots } = instance; + let needDeletionCheck = true; + let deletionComparisonTarget = EMPTY_OBJ; + if (vnode.shapeFlag & 32 /* SLOTS_CHILDREN */) { + const type = children._; + if (type) { + // compiled slots. + if ( isHmrUpdating) { + // Parent was HMR updated so slot content may have changed. + // force update slots and mark instance for hmr as well + extend(slots, children); + } + else if (type === 1 /* STABLE */) { + // compiled AND stable. + // no need to update, and skip stale slots removal. + needDeletionCheck = false; + } + else { + // compiled but dynamic (v-if/v-for on slots) - update slots, but skip + // normalization. + extend(slots, children); + } + } + else { + needDeletionCheck = !children.$stable; + normalizeObjectSlots(children, slots); + } + deletionComparisonTarget = children; + } + else if (children) { + // non slot object children (direct value) passed to a component + normalizeVNodeSlots(instance, children); + deletionComparisonTarget = { default: 1 }; + } + // delete stale slots + if (needDeletionCheck) { + for (const key in slots) { + if (!isInternalKey(key) && !(key in deletionComparisonTarget)) { + delete slots[key]; + } + } + } + }; + + /** + Runtime helper for applying directives to a vnode. Example usage: + + const comp = resolveComponent('comp') + const foo = resolveDirective('foo') + const bar = resolveDirective('bar') + + return withDirectives(h(comp), [ + [foo, this.x], + [bar, this.y] + ]) + */ + const isBuiltInDirective = /*#__PURE__*/ makeMap('bind,cloak,else-if,else,for,html,if,model,on,once,pre,show,slot,text'); + function validateDirectiveName(name) { + if (isBuiltInDirective(name)) { + warn('Do not use built-in directive ids as custom directive id: ' + name); + } + } + /** + * Adds directives to a VNode. + */ + function withDirectives(vnode, directives) { + const internalInstance = currentRenderingInstance; + if (internalInstance === null) { + warn(`withDirectives can only be used inside render functions.`); + return vnode; + } + const instance = internalInstance.proxy; + const bindings = vnode.dirs || (vnode.dirs = []); + for (let i = 0; i < directives.length; i++) { + let [dir, value, arg, modifiers = EMPTY_OBJ] = directives[i]; + if (isFunction(dir)) { + dir = { + mounted: dir, + updated: dir + }; + } + bindings.push({ + dir, + instance, + value, + oldValue: void 0, + arg, + modifiers + }); + } + return vnode; + } + function invokeDirectiveHook(vnode, prevVNode, instance, name) { + const bindings = vnode.dirs; + const oldBindings = prevVNode && prevVNode.dirs; + for (let i = 0; i < bindings.length; i++) { + const binding = bindings[i]; + if (oldBindings) { + binding.oldValue = oldBindings[i].value; + } + const hook = binding.dir[name]; + if (hook) { + callWithAsyncErrorHandling(hook, instance, 8 /* DIRECTIVE_HOOK */, [ + vnode.el, + binding, + vnode, + prevVNode + ]); + } + } + } + + function createAppContext() { + return { + app: null, + config: { + isNativeTag: NO, + performance: false, + globalProperties: {}, + optionMergeStrategies: {}, + isCustomElement: NO, + errorHandler: undefined, + warnHandler: undefined + }, + mixins: [], + components: {}, + directives: {}, + provides: Object.create(null) + }; + } + let uid$1 = 0; + function createAppAPI(render, hydrate) { + return function createApp(rootComponent, rootProps = null) { + if (rootProps != null && !isObject(rootProps)) { + warn(`root props passed to app.mount() must be an object.`); + rootProps = null; + } + const context = createAppContext(); + const installedPlugins = new Set(); + let isMounted = false; + const app = (context.app = { + _uid: uid$1++, + _component: rootComponent, + _props: rootProps, + _container: null, + _context: context, + version, + get config() { + return context.config; + }, + set config(v) { + { + warn(`app.config cannot be replaced. Modify individual options instead.`); + } + }, + use(plugin, ...options) { + if (installedPlugins.has(plugin)) { + warn(`Plugin has already been applied to target app.`); + } + else if (plugin && isFunction(plugin.install)) { + installedPlugins.add(plugin); + plugin.install(app, ...options); + } + else if (isFunction(plugin)) { + installedPlugins.add(plugin); + plugin(app, ...options); + } + else { + warn(`A plugin must either be a function or an object with an "install" ` + + `function.`); + } + return app; + }, + mixin(mixin) { + { + if (!context.mixins.includes(mixin)) { + context.mixins.push(mixin); + // global mixin with props/emits de-optimizes props/emits + // normalization caching. + if (mixin.props || mixin.emits) { + context.deopt = true; + } + } + else { + warn('Mixin has already been applied to target app' + + (mixin.name ? `: ${mixin.name}` : '')); + } + } + return app; + }, + component(name, component) { + { + validateComponentName(name, context.config); + } + if (!component) { + return context.components[name]; + } + if ( context.components[name]) { + warn(`Component "${name}" has already been registered in target app.`); + } + context.components[name] = component; + return app; + }, + directive(name, directive) { + { + validateDirectiveName(name); + } + if (!directive) { + return context.directives[name]; + } + if ( context.directives[name]) { + warn(`Directive "${name}" has already been registered in target app.`); + } + context.directives[name] = directive; + return app; + }, + mount(rootContainer, isHydrate) { + if (!isMounted) { + const vnode = createVNode(rootComponent, rootProps); + // store app context on the root VNode. + // this will be set on the root instance on initial mount. + vnode.appContext = context; + // HMR root reload + { + context.reload = () => { + render(cloneVNode(vnode), rootContainer); + }; + } + if (isHydrate && hydrate) { + hydrate(vnode, rootContainer); + } + else { + render(vnode, rootContainer); + } + isMounted = true; + app._container = rootContainer; + rootContainer.__vue_app__ = app; + { + devtoolsInitApp(app, version); + } + return vnode.component.proxy; + } + else { + warn(`App has already been mounted.\n` + + `If you want to remount the same app, move your app creation logic ` + + `into a factory function and create fresh app instances for each ` + + `mount - e.g. \`const createMyApp = () => createApp(App)\``); + } + }, + unmount() { + if (isMounted) { + render(null, app._container); + { + devtoolsUnmountApp(app); + } + } + else { + warn(`Cannot unmount an app that is not mounted.`); + } + }, + provide(key, value) { + if ( key in context.provides) { + warn(`App already provides property with key "${String(key)}". ` + + `It will be overwritten with the new value.`); + } + // TypeScript doesn't allow symbols as index type + // https://github.com/Microsoft/TypeScript/issues/24587 + context.provides[key] = value; + return app; + } + }); + return app; + }; + } + + let hasMismatch = false; + const isSVGContainer = (container) => /svg/.test(container.namespaceURI) && container.tagName !== 'foreignObject'; + const isComment = (node) => node.nodeType === 8 /* COMMENT */; + // Note: hydration is DOM-specific + // But we have to place it in core due to tight coupling with core - splitting + // it out creates a ton of unnecessary complexity. + // Hydration also depends on some renderer internal logic which needs to be + // passed in via arguments. + function createHydrationFunctions(rendererInternals) { + const { mt: mountComponent, p: patch, o: { patchProp, nextSibling, parentNode, remove, insert, createComment } } = rendererInternals; + const hydrate = (vnode, container) => { + if ( !container.hasChildNodes()) { + warn(`Attempting to hydrate existing markup but container is empty. ` + + `Performing full mount instead.`); + patch(null, vnode, container); + return; + } + hasMismatch = false; + hydrateNode(container.firstChild, vnode, null, null); + flushPostFlushCbs(); + if (hasMismatch && !false) { + // this error should show up in production + console.error(`Hydration completed but contains mismatches.`); + } + }; + const hydrateNode = (node, vnode, parentComponent, parentSuspense, optimized = false) => { + const isFragmentStart = isComment(node) && node.data === '['; + const onMismatch = () => handleMismatch(node, vnode, parentComponent, parentSuspense, isFragmentStart); + const { type, ref, shapeFlag } = vnode; + const domType = node.nodeType; + vnode.el = node; + let nextNode = null; + switch (type) { + case Text: + if (domType !== 3 /* TEXT */) { + nextNode = onMismatch(); + } + else { + if (node.data !== vnode.children) { + hasMismatch = true; + + warn(`Hydration text mismatch:` + + `\n- Client: ${JSON.stringify(node.data)}` + + `\n- Server: ${JSON.stringify(vnode.children)}`); + node.data = vnode.children; + } + nextNode = nextSibling(node); + } + break; + case Comment: + if (domType !== 8 /* COMMENT */ || isFragmentStart) { + nextNode = onMismatch(); + } + else { + nextNode = nextSibling(node); + } + break; + case Static: + if (domType !== 1 /* ELEMENT */) { + nextNode = onMismatch(); + } + else { + // determine anchor, adopt content + nextNode = node; + // if the static vnode has its content stripped during build, + // adopt it from the server-rendered HTML. + const needToAdoptContent = !vnode.children.length; + for (let i = 0; i < vnode.staticCount; i++) { + if (needToAdoptContent) + vnode.children += nextNode.outerHTML; + if (i === vnode.staticCount - 1) { + vnode.anchor = nextNode; + } + nextNode = nextSibling(nextNode); + } + return nextNode; + } + break; + case Fragment: + if (!isFragmentStart) { + nextNode = onMismatch(); + } + else { + nextNode = hydrateFragment(node, vnode, parentComponent, parentSuspense, optimized); + } + break; + default: + if (shapeFlag & 1 /* ELEMENT */) { + if (domType !== 1 /* ELEMENT */ || + vnode.type !== node.tagName.toLowerCase()) { + nextNode = onMismatch(); + } + else { + nextNode = hydrateElement(node, vnode, parentComponent, parentSuspense, optimized); + } + } + else if (shapeFlag & 6 /* COMPONENT */) { + // when setting up the render effect, if the initial vnode already + // has .el set, the component will perform hydration instead of mount + // on its sub-tree. + const container = parentNode(node); + const hydrateComponent = () => { + mountComponent(vnode, container, null, parentComponent, parentSuspense, isSVGContainer(container), optimized); + }; + // async component + const loadAsync = vnode.type.__asyncLoader; + if (loadAsync) { + loadAsync().then(hydrateComponent); + } + else { + hydrateComponent(); + } + // component may be async, so in the case of fragments we cannot rely + // on component's rendered output to determine the end of the fragment + // instead, we do a lookahead to find the end anchor node. + nextNode = isFragmentStart + ? locateClosingAsyncAnchor(node) + : nextSibling(node); + } + else if (shapeFlag & 64 /* TELEPORT */) { + if (domType !== 8 /* COMMENT */) { + nextNode = onMismatch(); + } + else { + nextNode = vnode.type.hydrate(node, vnode, parentComponent, parentSuspense, optimized, rendererInternals, hydrateChildren); + } + } + else if ( shapeFlag & 128 /* SUSPENSE */) { + nextNode = vnode.type.hydrate(node, vnode, parentComponent, parentSuspense, isSVGContainer(parentNode(node)), optimized, rendererInternals, hydrateNode); + } + else { + warn('Invalid HostVNode type:', type, `(${typeof type})`); + } + } + if (ref != null && parentComponent) { + setRef(ref, null, parentComponent, parentSuspense, vnode); + } + return nextNode; + }; + const hydrateElement = (el, vnode, parentComponent, parentSuspense, optimized) => { + optimized = optimized || !!vnode.dynamicChildren; + const { props, patchFlag, shapeFlag, dirs } = vnode; + // skip props & children if this is hoisted static nodes + if (patchFlag !== -1 /* HOISTED */) { + if (dirs) { + invokeDirectiveHook(vnode, null, parentComponent, 'created'); + } + // props + if (props) { + if (!optimized || + (patchFlag & 16 /* FULL_PROPS */ || + patchFlag & 32 /* HYDRATE_EVENTS */)) { + for (const key in props) { + if (!isReservedProp(key) && isOn(key)) { + patchProp(el, key, null, props[key]); + } + } + } + else if (props.onClick) { + // Fast path for click listeners (which is most often) to avoid + // iterating through props. + patchProp(el, 'onClick', null, props.onClick); + } + } + // vnode / directive hooks + let vnodeHooks; + if ((vnodeHooks = props && props.onVnodeBeforeMount)) { + invokeVNodeHook(vnodeHooks, parentComponent, vnode); + } + if (dirs) { + invokeDirectiveHook(vnode, null, parentComponent, 'beforeMount'); + } + if ((vnodeHooks = props && props.onVnodeMounted) || dirs) { + queueEffectWithSuspense(() => { + vnodeHooks && invokeVNodeHook(vnodeHooks, parentComponent, vnode); + dirs && invokeDirectiveHook(vnode, null, parentComponent, 'mounted'); + }, parentSuspense); + } + // children + if (shapeFlag & 16 /* ARRAY_CHILDREN */ && + // skip if element has innerHTML / textContent + !(props && (props.innerHTML || props.textContent))) { + let next = hydrateChildren(el.firstChild, vnode, el, parentComponent, parentSuspense, optimized); + let hasWarned = false; + while (next) { + hasMismatch = true; + if ( !hasWarned) { + warn(`Hydration children mismatch in <${vnode.type}>: ` + + `server rendered element contains more child nodes than client vdom.`); + hasWarned = true; + } + // The SSRed DOM contains more nodes than it should. Remove them. + const cur = next; + next = next.nextSibling; + remove(cur); + } + } + else if (shapeFlag & 8 /* TEXT_CHILDREN */) { + if (el.textContent !== vnode.children) { + hasMismatch = true; + + warn(`Hydration text content mismatch in <${vnode.type}>:\n` + + `- Client: ${el.textContent}\n` + + `- Server: ${vnode.children}`); + el.textContent = vnode.children; + } + } + } + return el.nextSibling; + }; + const hydrateChildren = (node, parentVNode, container, parentComponent, parentSuspense, optimized) => { + optimized = optimized || !!parentVNode.dynamicChildren; + const children = parentVNode.children; + const l = children.length; + let hasWarned = false; + for (let i = 0; i < l; i++) { + const vnode = optimized + ? children[i] + : (children[i] = normalizeVNode(children[i])); + if (node) { + node = hydrateNode(node, vnode, parentComponent, parentSuspense, optimized); + } + else { + hasMismatch = true; + if ( !hasWarned) { + warn(`Hydration children mismatch in <${container.tagName.toLowerCase()}>: ` + + `server rendered element contains fewer child nodes than client vdom.`); + hasWarned = true; + } + // the SSRed DOM didn't contain enough nodes. Mount the missing ones. + patch(null, vnode, container, null, parentComponent, parentSuspense, isSVGContainer(container)); + } + } + return node; + }; + const hydrateFragment = (node, vnode, parentComponent, parentSuspense, optimized) => { + const container = parentNode(node); + const next = hydrateChildren(nextSibling(node), vnode, container, parentComponent, parentSuspense, optimized); + if (next && isComment(next) && next.data === ']') { + return nextSibling((vnode.anchor = next)); + } + else { + // fragment didn't hydrate successfully, since we didn't get a end anchor + // back. This should have led to node/children mismatch warnings. + hasMismatch = true; + // since the anchor is missing, we need to create one and insert it + insert((vnode.anchor = createComment(`]`)), container, next); + return next; + } + }; + const handleMismatch = (node, vnode, parentComponent, parentSuspense, isFragment) => { + hasMismatch = true; + + warn(`Hydration node mismatch:\n- Client vnode:`, vnode.type, `\n- Server rendered DOM:`, node, node.nodeType === 3 /* TEXT */ + ? `(text)` + : isComment(node) && node.data === '[' + ? `(start of fragment)` + : ``); + vnode.el = null; + if (isFragment) { + // remove excessive fragment nodes + const end = locateClosingAsyncAnchor(node); + while (true) { + const next = nextSibling(node); + if (next && next !== end) { + remove(next); + } + else { + break; + } + } + } + const next = nextSibling(node); + const container = parentNode(node); + remove(node); + patch(null, vnode, container, next, parentComponent, parentSuspense, isSVGContainer(container)); + return next; + }; + const locateClosingAsyncAnchor = (node) => { + let match = 0; + while (node) { + node = nextSibling(node); + if (node && isComment(node)) { + if (node.data === '[') + match++; + if (node.data === ']') { + if (match === 0) { + return nextSibling(node); + } + else { + match--; + } + } + } + } + return node; + }; + return [hydrate, hydrateNode]; + } + + let supported; + let perf; + function startMeasure(instance, type) { + if (instance.appContext.config.performance && isSupported()) { + perf.mark(`vue-${type}-${instance.uid}`); + } + } + function endMeasure(instance, type) { + if (instance.appContext.config.performance && isSupported()) { + const startTag = `vue-${type}-${instance.uid}`; + const endTag = startTag + `:end`; + perf.mark(endTag); + perf.measure(`<${formatComponentName(instance, instance.type)}> ${type}`, startTag, endTag); + perf.clearMarks(startTag); + perf.clearMarks(endTag); + } + } + function isSupported() { + if (supported !== undefined) { + return supported; + } + /* eslint-disable no-restricted-globals */ + if (typeof window !== 'undefined' && window.performance) { + supported = true; + perf = window.performance; + } + else { + supported = false; + } + /* eslint-enable no-restricted-globals */ + return supported; + } + + function createDevEffectOptions(instance) { + return { + scheduler: queueJob, + allowRecurse: true, + onTrack: instance.rtc ? e => invokeArrayFns(instance.rtc, e) : void 0, + onTrigger: instance.rtg ? e => invokeArrayFns(instance.rtg, e) : void 0 + }; + } + const queuePostRenderEffect = queueEffectWithSuspense + ; + const setRef = (rawRef, oldRawRef, parentComponent, parentSuspense, vnode) => { + if (isArray(rawRef)) { + rawRef.forEach((r, i) => setRef(r, oldRawRef && (isArray(oldRawRef) ? oldRawRef[i] : oldRawRef), parentComponent, parentSuspense, vnode)); + return; + } + let value; + if (!vnode) { + value = null; + } + else { + if (vnode.shapeFlag & 4 /* STATEFUL_COMPONENT */) { + value = vnode.component.proxy; + } + else { + value = vnode.el; + } + } + const { i: owner, r: ref } = rawRef; + if ( !owner) { + warn(`Missing ref owner context. ref cannot be used on hoisted vnodes. ` + + `A vnode with ref must be created inside the render function.`); + return; + } + const oldRef = oldRawRef && oldRawRef.r; + const refs = owner.refs === EMPTY_OBJ ? (owner.refs = {}) : owner.refs; + const setupState = owner.setupState; + // unset old ref + if (oldRef != null && oldRef !== ref) { + if (isString(oldRef)) { + refs[oldRef] = null; + if (hasOwn(setupState, oldRef)) { + setupState[oldRef] = null; + } + } + else if (isRef(oldRef)) { + oldRef.value = null; + } + } + if (isString(ref)) { + const doSet = () => { + refs[ref] = value; + if (hasOwn(setupState, ref)) { + setupState[ref] = value; + } + }; + // #1789: for non-null values, set them after render + // null values means this is unmount and it should not overwrite another + // ref with the same key + if (value) { + doSet.id = -1; + queuePostRenderEffect(doSet, parentSuspense); + } + else { + doSet(); + } + } + else if (isRef(ref)) { + const doSet = () => { + ref.value = value; + }; + if (value) { + doSet.id = -1; + queuePostRenderEffect(doSet, parentSuspense); + } + else { + doSet(); + } + } + else if (isFunction(ref)) { + callWithErrorHandling(ref, parentComponent, 12 /* FUNCTION_REF */, [ + value, + refs + ]); + } + else { + warn('Invalid template ref type:', value, `(${typeof value})`); + } + }; + /** + * The createRenderer function accepts two generic arguments: + * HostNode and HostElement, corresponding to Node and Element types in the + * host environment. For example, for runtime-dom, HostNode would be the DOM + * `Node` interface and HostElement would be the DOM `Element` interface. + * + * Custom renderers can pass in the platform specific types like this: + * + * ``` js + * const { render, createApp } = createRenderer({ + * patchProp, + * ...nodeOps + * }) + * ``` + */ + function createRenderer(options) { + return baseCreateRenderer(options); + } + // Separate API for creating hydration-enabled renderer. + // Hydration logic is only used when calling this function, making it + // tree-shakable. + function createHydrationRenderer(options) { + return baseCreateRenderer(options, createHydrationFunctions); + } + // implementation + function baseCreateRenderer(options, createHydrationFns) { + const { insert: hostInsert, remove: hostRemove, patchProp: hostPatchProp, forcePatchProp: hostForcePatchProp, createElement: hostCreateElement, createText: hostCreateText, createComment: hostCreateComment, setText: hostSetText, setElementText: hostSetElementText, parentNode: hostParentNode, nextSibling: hostNextSibling, setScopeId: hostSetScopeId = NOOP, cloneNode: hostCloneNode, insertStaticContent: hostInsertStaticContent } = options; + // Note: functions inside this closure should use `const xxx = () => {}` + // style in order to prevent being inlined by minifiers. + const patch = (n1, n2, container, anchor = null, parentComponent = null, parentSuspense = null, isSVG = false, optimized = false) => { + // patching & not same type, unmount old tree + if (n1 && !isSameVNodeType(n1, n2)) { + anchor = getNextHostNode(n1); + unmount(n1, parentComponent, parentSuspense, true); + n1 = null; + } + if (n2.patchFlag === -2 /* BAIL */) { + optimized = false; + n2.dynamicChildren = null; + } + const { type, ref, shapeFlag } = n2; + switch (type) { + case Text: + processText(n1, n2, container, anchor); + break; + case Comment: + processCommentNode(n1, n2, container, anchor); + break; + case Static: + if (n1 == null) { + mountStaticNode(n2, container, anchor, isSVG); + } + else { + patchStaticNode(n1, n2, container, isSVG); + } + break; + case Fragment: + processFragment(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, optimized); + break; + default: + if (shapeFlag & 1 /* ELEMENT */) { + processElement(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, optimized); + } + else if (shapeFlag & 6 /* COMPONENT */) { + processComponent(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, optimized); + } + else if (shapeFlag & 64 /* TELEPORT */) { + type.process(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, optimized, internals); + } + else if ( shapeFlag & 128 /* SUSPENSE */) { + type.process(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, optimized, internals); + } + else { + warn('Invalid VNode type:', type, `(${typeof type})`); + } + } + // set ref + if (ref != null && parentComponent) { + setRef(ref, n1 && n1.ref, parentComponent, parentSuspense, n2); + } + }; + const processText = (n1, n2, container, anchor) => { + if (n1 == null) { + hostInsert((n2.el = hostCreateText(n2.children)), container, anchor); + } + else { + const el = (n2.el = n1.el); + if (n2.children !== n1.children) { + hostSetText(el, n2.children); + } + } + }; + const processCommentNode = (n1, n2, container, anchor) => { + if (n1 == null) { + hostInsert((n2.el = hostCreateComment(n2.children || '')), container, anchor); + } + else { + // there's no support for dynamic comments + n2.el = n1.el; + } + }; + const mountStaticNode = (n2, container, anchor, isSVG) => { + [n2.el, n2.anchor] = hostInsertStaticContent(n2.children, container, anchor, isSVG); + }; + /** + * Dev / HMR only + */ + const patchStaticNode = (n1, n2, container, isSVG) => { + // static nodes are only patched during dev for HMR + if (n2.children !== n1.children) { + const anchor = hostNextSibling(n1.anchor); + // remove existing + removeStaticNode(n1); + [n2.el, n2.anchor] = hostInsertStaticContent(n2.children, container, anchor, isSVG); + } + else { + n2.el = n1.el; + n2.anchor = n1.anchor; + } + }; + /** + * Dev / HMR only + */ + const moveStaticNode = (vnode, container, anchor) => { + let cur = vnode.el; + const end = vnode.anchor; + while (cur && cur !== end) { + const next = hostNextSibling(cur); + hostInsert(cur, container, anchor); + cur = next; + } + hostInsert(end, container, anchor); + }; + /** + * Dev / HMR only + */ + const removeStaticNode = (vnode) => { + let cur = vnode.el; + while (cur && cur !== vnode.anchor) { + const next = hostNextSibling(cur); + hostRemove(cur); + cur = next; + } + hostRemove(vnode.anchor); + }; + const processElement = (n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, optimized) => { + isSVG = isSVG || n2.type === 'svg'; + if (n1 == null) { + mountElement(n2, container, anchor, parentComponent, parentSuspense, isSVG, optimized); + } + else { + patchElement(n1, n2, parentComponent, parentSuspense, isSVG, optimized); + } + }; + const mountElement = (vnode, container, anchor, parentComponent, parentSuspense, isSVG, optimized) => { + let el; + let vnodeHook; + const { type, props, shapeFlag, transition, scopeId, patchFlag, dirs } = vnode; + { + el = vnode.el = hostCreateElement(vnode.type, isSVG, props && props.is); + // mount children first, since some props may rely on child content + // being already rendered, e.g. `