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July 11, 2017 05:58
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<?xml version="1.0" encoding="UTF-8"?> | |
<project version="4"> | |
<component name="ProjectModuleManager"> | |
<modules> | |
<module fileurl="file://$PROJECT_DIR$/.idea/vuejs2tuts.iml" filepath="$PROJECT_DIR$/.idea/vuejs2tuts.iml" /> | |
</modules> | |
</component> | |
</project> |
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<?xml version="1.0" encoding="UTF-8"?> | |
<project version="4"> | |
<component name="VcsDirectoryMappings"> | |
<mapping directory="$PROJECT_DIR$" vcs="Git" /> | |
</component> | |
</project> |
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<?xml version="1.0" encoding="UTF-8"?> | |
<module type="WEB_MODULE" version="4"> | |
<component name="NewModuleRootManager"> | |
<content url="file://$MODULE_DIR$"> | |
<excludeFolder url="file://$MODULE_DIR$/.tmp" /> | |
<excludeFolder url="file://$MODULE_DIR$/temp" /> | |
<excludeFolder url="file://$MODULE_DIR$/tmp" /> | |
</content> | |
<orderEntry type="inheritedJdk" /> | |
<orderEntry type="sourceFolder" forTests="false" /> | |
</component> | |
</module> |
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<!DOCTYPE html> | |
<html lang="en"> | |
<head> | |
<meta charset="UTF-8"> | |
<title>VueJs Blog</title> | |
<link rel="stylesheet" href="css/styles.css"> | |
<script src="js/[email protected]"></script> | |
</head> | |
<body> | |
<h1>Vue.js Blog App</h1> | |
<div id="vue-app"> | |
<h1>{{ name }}</h1> | |
<h2>{{ greet('afternoon') }}</h2> | |
<p>Job: {{ job }}</p> | |
</div> | |
<script src="js/app.js"></script> | |
</body> | |
</html> |
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new Vue({ | |
el: "#vue-app", | |
data: { | |
name: "Vijay Chaudhari", | |
job: "Developer" | |
}, | |
methods: { | |
greet: function (time) { | |
return "Good " + time + ", " + this.name; | |
} | |
} | |
}); |
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/*! | |
* Vue.js v2.3.4 | |
* (c) 2014-2017 Evan You | |
* Released under the MIT License. | |
*/ | |
(function (global, factory) { | |
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : | |
typeof define === 'function' && define.amd ? define(factory) : | |
(global.Vue = factory()); | |
}(this, (function () { 'use strict'; | |
/* */ | |
// these helpers produces better vm code in JS engines due to their | |
// explicitness and function inlining | |
function isUndef (v) { | |
return v === undefined || v === null | |
} | |
function isDef (v) { | |
return v !== undefined && v !== null | |
} | |
function isTrue (v) { | |
return v === true | |
} | |
function isFalse (v) { | |
return v === false | |
} | |
/** | |
* Check if value is primitive | |
*/ | |
function isPrimitive (value) { | |
return typeof value === 'string' || typeof value === 'number' | |
} | |
/** | |
* Quick object check - this is primarily used to tell | |
* Objects from primitive values when we know the value | |
* is a JSON-compliant type. | |
*/ | |
function isObject (obj) { | |
return obj !== null && typeof obj === 'object' | |
} | |
var _toString = Object.prototype.toString; | |
/** | |
* Strict object type check. Only returns true | |
* for plain JavaScript objects. | |
*/ | |
function isPlainObject (obj) { | |
return _toString.call(obj) === '[object Object]' | |
} | |
function isRegExp (v) { | |
return _toString.call(v) === '[object RegExp]' | |
} | |
/** | |
* Convert a value to a string that is actually rendered. | |
*/ | |
function toString (val) { | |
return val == null | |
? '' | |
: typeof val === 'object' | |
? JSON.stringify(val, null, 2) | |
: String(val) | |
} | |
/** | |
* Convert a input value to a number for persistence. | |
* If the conversion fails, return original string. | |
*/ | |
function toNumber (val) { | |
var n = parseFloat(val); | |
return isNaN(n) ? val : n | |
} | |
/** | |
* Make a map and return a function for checking if a key | |
* is in that map. | |
*/ | |
function makeMap ( | |
str, | |
expectsLowerCase | |
) { | |
var map = Object.create(null); | |
var list = str.split(','); | |
for (var i = 0; i < list.length; i++) { | |
map[list[i]] = true; | |
} | |
return expectsLowerCase | |
? function (val) { return map[val.toLowerCase()]; } | |
: function (val) { return map[val]; } | |
} | |
/** | |
* Check if a tag is a built-in tag. | |
*/ | |
var isBuiltInTag = makeMap('slot,component', true); | |
/** | |
* Remove an item from an array | |
*/ | |
function remove (arr, item) { | |
if (arr.length) { | |
var index = arr.indexOf(item); | |
if (index > -1) { | |
return arr.splice(index, 1) | |
} | |
} | |
} | |
/** | |
* Check whether the object has the property. | |
*/ | |
var hasOwnProperty = Object.prototype.hasOwnProperty; | |
function hasOwn (obj, key) { | |
return hasOwnProperty.call(obj, key) | |
} | |
/** | |
* Create a cached version of a pure function. | |
*/ | |
function cached (fn) { | |
var cache = Object.create(null); | |
return (function cachedFn (str) { | |
var hit = cache[str]; | |
return hit || (cache[str] = fn(str)) | |
}) | |
} | |
/** | |
* Camelize a hyphen-delimited string. | |
*/ | |
var camelizeRE = /-(\w)/g; | |
var camelize = cached(function (str) { | |
return str.replace(camelizeRE, function (_, c) { return c ? c.toUpperCase() : ''; }) | |
}); | |
/** | |
* Capitalize a string. | |
*/ | |
var capitalize = cached(function (str) { | |
return str.charAt(0).toUpperCase() + str.slice(1) | |
}); | |
/** | |
* Hyphenate a camelCase string. | |
*/ | |
var hyphenateRE = /([^-])([A-Z])/g; | |
var hyphenate = cached(function (str) { | |
return str | |
.replace(hyphenateRE, '$1-$2') | |
.replace(hyphenateRE, '$1-$2') | |
.toLowerCase() | |
}); | |
/** | |
* Simple bind, faster than native | |
*/ | |
function bind (fn, ctx) { | |
function boundFn (a) { | |
var l = arguments.length; | |
return l | |
? l > 1 | |
? fn.apply(ctx, arguments) | |
: fn.call(ctx, a) | |
: fn.call(ctx) | |
} | |
// record original fn length | |
boundFn._length = fn.length; | |
return boundFn | |
} | |
/** | |
* Convert an Array-like object to a real Array. | |
*/ | |
function toArray (list, start) { | |
start = start || 0; | |
var i = list.length - start; | |
var ret = new Array(i); | |
while (i--) { | |
ret[i] = list[i + start]; | |
} | |
return ret | |
} | |
/** | |
* Mix properties into target object. | |
*/ | |
function extend (to, _from) { | |
for (var key in _from) { | |
to[key] = _from[key]; | |
} | |
return to | |
} | |
/** | |
* Merge an Array of Objects into a single Object. | |
*/ | |
function toObject (arr) { | |
var res = {}; | |
for (var i = 0; i < arr.length; i++) { | |
if (arr[i]) { | |
extend(res, arr[i]); | |
} | |
} | |
return res | |
} | |
/** | |
* Perform no operation. | |
*/ | |
function noop () {} | |
/** | |
* Always return false. | |
*/ | |
var no = function () { return false; }; | |
/** | |
* Return same value | |
*/ | |
var identity = function (_) { return _; }; | |
/** | |
* Generate a static keys string from compiler modules. | |
*/ | |
function genStaticKeys (modules) { | |
return modules.reduce(function (keys, m) { | |
return keys.concat(m.staticKeys || []) | |
}, []).join(',') | |
} | |
/** | |
* Check if two values are loosely equal - that is, | |
* if they are plain objects, do they have the same shape? | |
*/ | |
function looseEqual (a, b) { | |
var isObjectA = isObject(a); | |
var isObjectB = isObject(b); | |
if (isObjectA && isObjectB) { | |
try { | |
return JSON.stringify(a) === JSON.stringify(b) | |
} catch (e) { | |
// possible circular reference | |
return a === b | |
} | |
} else if (!isObjectA && !isObjectB) { | |
return String(a) === String(b) | |
} else { | |
return false | |
} | |
} | |
function looseIndexOf (arr, val) { | |
for (var i = 0; i < arr.length; i++) { | |
if (looseEqual(arr[i], val)) { return i } | |
} | |
return -1 | |
} | |
/** | |
* Ensure a function is called only once. | |
*/ | |
function once (fn) { | |
var called = false; | |
return function () { | |
if (!called) { | |
called = true; | |
fn.apply(this, arguments); | |
} | |
} | |
} | |
var SSR_ATTR = 'data-server-rendered'; | |
var ASSET_TYPES = [ | |
'component', | |
'directive', | |
'filter' | |
]; | |
var LIFECYCLE_HOOKS = [ | |
'beforeCreate', | |
'created', | |
'beforeMount', | |
'mounted', | |
'beforeUpdate', | |
'updated', | |
'beforeDestroy', | |
'destroyed', | |
'activated', | |
'deactivated' | |
]; | |
/* */ | |
var config = ({ | |
/** | |
* Option merge strategies (used in core/util/options) | |
*/ | |
optionMergeStrategies: Object.create(null), | |
/** | |
* Whether to suppress warnings. | |
*/ | |
silent: false, | |
/** | |
* Show production mode tip message on boot? | |
*/ | |
productionTip: "development" !== 'production', | |
/** | |
* Whether to enable devtools | |
*/ | |
devtools: "development" !== 'production', | |
/** | |
* Whether to record perf | |
*/ | |
performance: false, | |
/** | |
* Error handler for watcher errors | |
*/ | |
errorHandler: null, | |
/** | |
* Ignore certain custom elements | |
*/ | |
ignoredElements: [], | |
/** | |
* Custom user key aliases for v-on | |
*/ | |
keyCodes: Object.create(null), | |
/** | |
* Check if a tag is reserved so that it cannot be registered as a | |
* component. This is platform-dependent and may be overwritten. | |
*/ | |
isReservedTag: no, | |
/** | |
* Check if an attribute is reserved so that it cannot be used as a component | |
* prop. This is platform-dependent and may be overwritten. | |
*/ | |
isReservedAttr: no, | |
/** | |
* Check if a tag is an unknown element. | |
* Platform-dependent. | |
*/ | |
isUnknownElement: no, | |
/** | |
* Get the namespace of an element | |
*/ | |
getTagNamespace: noop, | |
/** | |
* Parse the real tag name for the specific platform. | |
*/ | |
parsePlatformTagName: identity, | |
/** | |
* Check if an attribute must be bound using property, e.g. value | |
* Platform-dependent. | |
*/ | |
mustUseProp: no, | |
/** | |
* Exposed for legacy reasons | |
*/ | |
_lifecycleHooks: LIFECYCLE_HOOKS | |
}); | |
/* */ | |
var emptyObject = Object.freeze({}); | |
/** | |
* Check if a string starts with $ or _ | |
*/ | |
function isReserved (str) { | |
var c = (str + '').charCodeAt(0); | |
return c === 0x24 || c === 0x5F | |
} | |
/** | |
* Define a property. | |
*/ | |
function def (obj, key, val, enumerable) { | |
Object.defineProperty(obj, key, { | |
value: val, | |
enumerable: !!enumerable, | |
writable: true, | |
configurable: true | |
}); | |
} | |
/** | |
* Parse simple path. | |
*/ | |
var bailRE = /[^\w.$]/; | |
function parsePath (path) { | |
if (bailRE.test(path)) { | |
return | |
} | |
var segments = path.split('.'); | |
return function (obj) { | |
for (var i = 0; i < segments.length; i++) { | |
if (!obj) { return } | |
obj = obj[segments[i]]; | |
} | |
return obj | |
} | |
} | |
/* */ | |
var warn = noop; | |
var tip = noop; | |
var formatComponentName = (null); // work around flow check | |
{ | |
var hasConsole = typeof console !== 'undefined'; | |
var classifyRE = /(?:^|[-_])(\w)/g; | |
var classify = function (str) { return str | |
.replace(classifyRE, function (c) { return c.toUpperCase(); }) | |
.replace(/[-_]/g, ''); }; | |
warn = function (msg, vm) { | |
if (hasConsole && (!config.silent)) { | |
console.error("[Vue warn]: " + msg + ( | |
vm ? generateComponentTrace(vm) : '' | |
)); | |
} | |
}; | |
tip = function (msg, vm) { | |
if (hasConsole && (!config.silent)) { | |
console.warn("[Vue tip]: " + msg + ( | |
vm ? generateComponentTrace(vm) : '' | |
)); | |
} | |
}; | |
formatComponentName = function (vm, includeFile) { | |
if (vm.$root === vm) { | |
return '<Root>' | |
} | |
var name = typeof vm === 'string' | |
? vm | |
: typeof vm === 'function' && vm.options | |
? vm.options.name | |
: vm._isVue | |
? vm.$options.name || vm.$options._componentTag | |
: vm.name; | |
var file = vm._isVue && vm.$options.__file; | |
if (!name && file) { | |
var match = file.match(/([^/\\]+)\.vue$/); | |
name = match && match[1]; | |
} | |
return ( | |
(name ? ("<" + (classify(name)) + ">") : "<Anonymous>") + | |
(file && includeFile !== false ? (" at " + file) : '') | |
) | |
}; | |
var repeat = function (str, n) { | |
var res = ''; | |
while (n) { | |
if (n % 2 === 1) { res += str; } | |
if (n > 1) { str += str; } | |
n >>= 1; | |
} | |
return res | |
}; | |
var generateComponentTrace = function (vm) { | |
if (vm._isVue && vm.$parent) { | |
var tree = []; | |
var currentRecursiveSequence = 0; | |
while (vm) { | |
if (tree.length > 0) { | |
var last = tree[tree.length - 1]; | |
if (last.constructor === vm.constructor) { | |
currentRecursiveSequence++; | |
vm = vm.$parent; | |
continue | |
} else if (currentRecursiveSequence > 0) { | |
tree[tree.length - 1] = [last, currentRecursiveSequence]; | |
currentRecursiveSequence = 0; | |
} | |
} | |
tree.push(vm); | |
vm = vm.$parent; | |
} | |
return '\n\nfound in\n\n' + tree | |
.map(function (vm, i) { return ("" + (i === 0 ? '---> ' : repeat(' ', 5 + i * 2)) + (Array.isArray(vm) | |
? ((formatComponentName(vm[0])) + "... (" + (vm[1]) + " recursive calls)") | |
: formatComponentName(vm))); }) | |
.join('\n') | |
} else { | |
return ("\n\n(found in " + (formatComponentName(vm)) + ")") | |
} | |
}; | |
} | |
/* */ | |
function handleError (err, vm, info) { | |
if (config.errorHandler) { | |
config.errorHandler.call(null, err, vm, info); | |
} else { | |
{ | |
warn(("Error in " + info + ": \"" + (err.toString()) + "\""), vm); | |
} | |
/* istanbul ignore else */ | |
if (inBrowser && typeof console !== 'undefined') { | |
console.error(err); | |
} else { | |
throw err | |
} | |
} | |
} | |
/* */ | |
/* globals MutationObserver */ | |
// can we use __proto__? | |
var hasProto = '__proto__' in {}; | |
// Browser environment sniffing | |
var inBrowser = typeof window !== 'undefined'; | |
var UA = inBrowser && window.navigator.userAgent.toLowerCase(); | |
var isIE = UA && /msie|trident/.test(UA); | |
var isIE9 = UA && UA.indexOf('msie 9.0') > 0; | |
var isEdge = UA && UA.indexOf('edge/') > 0; | |
var isAndroid = UA && UA.indexOf('android') > 0; | |
var isIOS = UA && /iphone|ipad|ipod|ios/.test(UA); | |
var isChrome = UA && /chrome\/\d+/.test(UA) && !isEdge; | |
var supportsPassive = false; | |
if (inBrowser) { | |
try { | |
var opts = {}; | |
Object.defineProperty(opts, 'passive', ({ | |
get: function get () { | |
/* istanbul ignore next */ | |
supportsPassive = true; | |
} | |
} )); // https://github.com/facebook/flow/issues/285 | |
window.addEventListener('test-passive', null, opts); | |
} catch (e) {} | |
} | |
// this needs to be lazy-evaled because vue may be required before | |
// vue-server-renderer can set VUE_ENV | |
var _isServer; | |
var isServerRendering = function () { | |
if (_isServer === undefined) { | |
/* istanbul ignore if */ | |
if (!inBrowser && typeof global !== 'undefined') { | |
// detect presence of vue-server-renderer and avoid | |
// Webpack shimming the process | |
_isServer = global['process'].env.VUE_ENV === 'server'; | |
} else { | |
_isServer = false; | |
} | |
} | |
return _isServer | |
}; | |
// detect devtools | |
var devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__; | |
/* istanbul ignore next */ | |
function isNative (Ctor) { | |
return typeof Ctor === 'function' && /native code/.test(Ctor.toString()) | |
} | |
var hasSymbol = | |
typeof Symbol !== 'undefined' && isNative(Symbol) && | |
typeof Reflect !== 'undefined' && isNative(Reflect.ownKeys); | |
/** | |
* Defer a task to execute it asynchronously. | |
*/ | |
var nextTick = (function () { | |
var callbacks = []; | |
var pending = false; | |
var timerFunc; | |
function nextTickHandler () { | |
pending = false; | |
var copies = callbacks.slice(0); | |
callbacks.length = 0; | |
for (var i = 0; i < copies.length; i++) { | |
copies[i](); | |
} | |
} | |
// the nextTick behavior leverages the microtask queue, which can be accessed | |
// via either native Promise.then or MutationObserver. | |
// MutationObserver has wider support, however it is seriously bugged in | |
// UIWebView in iOS >= 9.3.3 when triggered in touch event handlers. It | |
// completely stops working after triggering a few times... so, if native | |
// Promise is available, we will use it: | |
/* istanbul ignore if */ | |
if (typeof Promise !== 'undefined' && isNative(Promise)) { | |
var p = Promise.resolve(); | |
var logError = function (err) { console.error(err); }; | |
timerFunc = function () { | |
p.then(nextTickHandler).catch(logError); | |
// in problematic UIWebViews, Promise.then doesn't completely break, but | |
// it can get stuck in a weird state where callbacks are pushed into the | |
// microtask queue but the queue isn't being flushed, until the browser | |
// needs to do some other work, e.g. handle a timer. Therefore we can | |
// "force" the microtask queue to be flushed by adding an empty timer. | |
if (isIOS) { setTimeout(noop); } | |
}; | |
} else if (typeof MutationObserver !== 'undefined' && ( | |
isNative(MutationObserver) || | |
// PhantomJS and iOS 7.x | |
MutationObserver.toString() === '[object MutationObserverConstructor]' | |
)) { | |
// use MutationObserver where native Promise is not available, | |
// e.g. PhantomJS IE11, iOS7, Android 4.4 | |
var counter = 1; | |
var observer = new MutationObserver(nextTickHandler); | |
var textNode = document.createTextNode(String(counter)); | |
observer.observe(textNode, { | |
characterData: true | |
}); | |
timerFunc = function () { | |
counter = (counter + 1) % 2; | |
textNode.data = String(counter); | |
}; | |
} else { | |
// fallback to setTimeout | |
/* istanbul ignore next */ | |
timerFunc = function () { | |
setTimeout(nextTickHandler, 0); | |
}; | |
} | |
return function queueNextTick (cb, ctx) { | |
var _resolve; | |
callbacks.push(function () { | |
if (cb) { | |
try { | |
cb.call(ctx); | |
} catch (e) { | |
handleError(e, ctx, 'nextTick'); | |
} | |
} else if (_resolve) { | |
_resolve(ctx); | |
} | |
}); | |
if (!pending) { | |
pending = true; | |
timerFunc(); | |
} | |
if (!cb && typeof Promise !== 'undefined') { | |
return new Promise(function (resolve, reject) { | |
_resolve = resolve; | |
}) | |
} | |
} | |
})(); | |
var _Set; | |
/* istanbul ignore if */ | |
if (typeof Set !== 'undefined' && isNative(Set)) { | |
// use native Set when available. | |
_Set = Set; | |
} else { | |
// a non-standard Set polyfill that only works with primitive keys. | |
_Set = (function () { | |
function Set () { | |
this.set = Object.create(null); | |
} | |
Set.prototype.has = function has (key) { | |
return this.set[key] === true | |
}; | |
Set.prototype.add = function add (key) { | |
this.set[key] = true; | |
}; | |
Set.prototype.clear = function clear () { | |
this.set = Object.create(null); | |
}; | |
return Set; | |
}()); | |
} | |
/* */ | |
var uid = 0; | |
/** | |
* A dep is an observable that can have multiple | |
* directives subscribing to it. | |
*/ | |
var Dep = function Dep () { | |
this.id = uid++; | |
this.subs = []; | |
}; | |
Dep.prototype.addSub = function addSub (sub) { | |
this.subs.push(sub); | |
}; | |
Dep.prototype.removeSub = function removeSub (sub) { | |
remove(this.subs, sub); | |
}; | |
Dep.prototype.depend = function depend () { | |
if (Dep.target) { | |
Dep.target.addDep(this); | |
} | |
}; | |
Dep.prototype.notify = function notify () { | |
// stabilize the subscriber list first | |
var subs = this.subs.slice(); | |
for (var i = 0, l = subs.length; i < l; i++) { | |
subs[i].update(); | |
} | |
}; | |
// the current target watcher being evaluated. | |
// this is globally unique because there could be only one | |
// watcher being evaluated at any time. | |
Dep.target = null; | |
var targetStack = []; | |
function pushTarget (_target) { | |
if (Dep.target) { targetStack.push(Dep.target); } | |
Dep.target = _target; | |
} | |
function popTarget () { | |
Dep.target = targetStack.pop(); | |
} | |
/* | |
* not type checking this file because flow doesn't play well with | |
* dynamically accessing methods on Array prototype | |
*/ | |
var arrayProto = Array.prototype; | |
var arrayMethods = Object.create(arrayProto);[ | |
'push', | |
'pop', | |
'shift', | |
'unshift', | |
'splice', | |
'sort', | |
'reverse' | |
] | |
.forEach(function (method) { | |
// cache original method | |
var original = arrayProto[method]; | |
def(arrayMethods, method, function mutator () { | |
var arguments$1 = arguments; | |
// avoid leaking arguments: | |
// http://jsperf.com/closure-with-arguments | |
var i = arguments.length; | |
var args = new Array(i); | |
while (i--) { | |
args[i] = arguments$1[i]; | |
} | |
var result = original.apply(this, args); | |
var ob = this.__ob__; | |
var inserted; | |
switch (method) { | |
case 'push': | |
inserted = args; | |
break | |
case 'unshift': | |
inserted = args; | |
break | |
case 'splice': | |
inserted = args.slice(2); | |
break | |
} | |
if (inserted) { ob.observeArray(inserted); } | |
// notify change | |
ob.dep.notify(); | |
return result | |
}); | |
}); | |
/* */ | |
var arrayKeys = Object.getOwnPropertyNames(arrayMethods); | |
/** | |
* By default, when a reactive property is set, the new value is | |
* also converted to become reactive. However when passing down props, | |
* we don't want to force conversion because the value may be a nested value | |
* under a frozen data structure. Converting it would defeat the optimization. | |
*/ | |
var observerState = { | |
shouldConvert: true, | |
isSettingProps: false | |
}; | |
/** | |
* Observer class that are attached to each observed | |
* object. Once attached, the observer converts target | |
* object's property keys into getter/setters that | |
* collect dependencies and dispatches updates. | |
*/ | |
var Observer = function Observer (value) { | |
this.value = value; | |
this.dep = new Dep(); | |
this.vmCount = 0; | |
def(value, '__ob__', this); | |
if (Array.isArray(value)) { | |
var augment = hasProto | |
? protoAugment | |
: copyAugment; | |
augment(value, arrayMethods, arrayKeys); | |
this.observeArray(value); | |
} else { | |
this.walk(value); | |
} | |
}; | |
/** | |
* Walk through each property and convert them into | |
* getter/setters. This method should only be called when | |
* value type is Object. | |
*/ | |
Observer.prototype.walk = function walk (obj) { | |
var keys = Object.keys(obj); | |
for (var i = 0; i < keys.length; i++) { | |
defineReactive$$1(obj, keys[i], obj[keys[i]]); | |
} | |
}; | |
/** | |
* Observe a list of Array items. | |
*/ | |
Observer.prototype.observeArray = function observeArray (items) { | |
for (var i = 0, l = items.length; i < l; i++) { | |
observe(items[i]); | |
} | |
}; | |
// helpers | |
/** | |
* Augment an target Object or Array by intercepting | |
* the prototype chain using __proto__ | |
*/ | |
function protoAugment (target, src) { | |
/* eslint-disable no-proto */ | |
target.__proto__ = src; | |
/* eslint-enable no-proto */ | |
} | |
/** | |
* Augment an target Object or Array by defining | |
* hidden properties. | |
*/ | |
/* istanbul ignore next */ | |
function copyAugment (target, src, keys) { | |
for (var i = 0, l = keys.length; i < l; i++) { | |
var key = keys[i]; | |
def(target, key, src[key]); | |
} | |
} | |
/** | |
* Attempt to create an observer instance for a value, | |
* returns the new observer if successfully observed, | |
* or the existing observer if the value already has one. | |
*/ | |
function observe (value, asRootData) { | |
if (!isObject(value)) { | |
return | |
} | |
var ob; | |
if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) { | |
ob = value.__ob__; | |
} else if ( | |
observerState.shouldConvert && | |
!isServerRendering() && | |
(Array.isArray(value) || isPlainObject(value)) && | |
Object.isExtensible(value) && | |
!value._isVue | |
) { | |
ob = new Observer(value); | |
} | |
if (asRootData && ob) { | |
ob.vmCount++; | |
} | |
return ob | |
} | |
/** | |
* Define a reactive property on an Object. | |
*/ | |
function defineReactive$$1 ( | |
obj, | |
key, | |
val, | |
customSetter | |
) { | |
var dep = new Dep(); | |
var property = Object.getOwnPropertyDescriptor(obj, key); | |
if (property && property.configurable === false) { | |
return | |
} | |
// cater for pre-defined getter/setters | |
var getter = property && property.get; | |
var setter = property && property.set; | |
var childOb = observe(val); | |
Object.defineProperty(obj, key, { | |
enumerable: true, | |
configurable: true, | |
get: function reactiveGetter () { | |
var value = getter ? getter.call(obj) : val; | |
if (Dep.target) { | |
dep.depend(); | |
if (childOb) { | |
childOb.dep.depend(); | |
} | |
if (Array.isArray(value)) { | |
dependArray(value); | |
} | |
} | |
return value | |
}, | |
set: function reactiveSetter (newVal) { | |
var value = getter ? getter.call(obj) : val; | |
/* eslint-disable no-self-compare */ | |
if (newVal === value || (newVal !== newVal && value !== value)) { | |
return | |
} | |
/* eslint-enable no-self-compare */ | |
if ("development" !== 'production' && customSetter) { | |
customSetter(); | |
} | |
if (setter) { | |
setter.call(obj, newVal); | |
} else { | |
val = newVal; | |
} | |
childOb = observe(newVal); | |
dep.notify(); | |
} | |
}); | |
} | |
/** | |
* Set a property on an object. Adds the new property and | |
* triggers change notification if the property doesn't | |
* already exist. | |
*/ | |
function set (target, key, val) { | |
if (Array.isArray(target) && typeof key === 'number') { | |
target.length = Math.max(target.length, key); | |
target.splice(key, 1, val); | |
return val | |
} | |
if (hasOwn(target, key)) { | |
target[key] = val; | |
return val | |
} | |
var ob = (target ).__ob__; | |
if (target._isVue || (ob && ob.vmCount)) { | |
"development" !== 'production' && warn( | |
'Avoid adding reactive properties to a Vue instance or its root $data ' + | |
'at runtime - declare it upfront in the data option.' | |
); | |
return val | |
} | |
if (!ob) { | |
target[key] = val; | |
return val | |
} | |
defineReactive$$1(ob.value, key, val); | |
ob.dep.notify(); | |
return val | |
} | |
/** | |
* Delete a property and trigger change if necessary. | |
*/ | |
function del (target, key) { | |
if (Array.isArray(target) && typeof key === 'number') { | |
target.splice(key, 1); | |
return | |
} | |
var ob = (target ).__ob__; | |
if (target._isVue || (ob && ob.vmCount)) { | |
"development" !== 'production' && warn( | |
'Avoid deleting properties on a Vue instance or its root $data ' + | |
'- just set it to null.' | |
); | |
return | |
} | |
if (!hasOwn(target, key)) { | |
return | |
} | |
delete target[key]; | |
if (!ob) { | |
return | |
} | |
ob.dep.notify(); | |
} | |
/** | |
* Collect dependencies on array elements when the array is touched, since | |
* we cannot intercept array element access like property getters. | |
*/ | |
function dependArray (value) { | |
for (var e = (void 0), i = 0, l = value.length; i < l; i++) { | |
e = value[i]; | |
e && e.__ob__ && e.__ob__.dep.depend(); | |
if (Array.isArray(e)) { | |
dependArray(e); | |
} | |
} | |
} | |
/* */ | |
/** | |
* Option overwriting strategies are functions that handle | |
* how to merge a parent option value and a child option | |
* value into the final value. | |
*/ | |
var strats = config.optionMergeStrategies; | |
/** | |
* Options with restrictions | |
*/ | |
{ | |
strats.el = strats.propsData = function (parent, child, vm, key) { | |
if (!vm) { | |
warn( | |
"option \"" + key + "\" can only be used during instance " + | |
'creation with the `new` keyword.' | |
); | |
} | |
return defaultStrat(parent, child) | |
}; | |
} | |
/** | |
* Helper that recursively merges two data objects together. | |
*/ | |
function mergeData (to, from) { | |
if (!from) { return to } | |
var key, toVal, fromVal; | |
var keys = Object.keys(from); | |
for (var i = 0; i < keys.length; i++) { | |
key = keys[i]; | |
toVal = to[key]; | |
fromVal = from[key]; | |
if (!hasOwn(to, key)) { | |
set(to, key, fromVal); | |
} else if (isPlainObject(toVal) && isPlainObject(fromVal)) { | |
mergeData(toVal, fromVal); | |
} | |
} | |
return to | |
} | |
/** | |
* Data | |
*/ | |
strats.data = function ( | |
parentVal, | |
childVal, | |
vm | |
) { | |
if (!vm) { | |
// in a Vue.extend merge, both should be functions | |
if (!childVal) { | |
return parentVal | |
} | |
if (typeof childVal !== 'function') { | |
"development" !== 'production' && warn( | |
'The "data" option should be a function ' + | |
'that returns a per-instance value in component ' + | |
'definitions.', | |
vm | |
); | |
return parentVal | |
} | |
if (!parentVal) { | |
return childVal | |
} | |
// when parentVal & childVal are both present, | |
// we need to return a function that returns the | |
// merged result of both functions... no need to | |
// check if parentVal is a function here because | |
// it has to be a function to pass previous merges. | |
return function mergedDataFn () { | |
return mergeData( | |
childVal.call(this), | |
parentVal.call(this) | |
) | |
} | |
} else if (parentVal || childVal) { | |
return function mergedInstanceDataFn () { | |
// instance merge | |
var instanceData = typeof childVal === 'function' | |
? childVal.call(vm) | |
: childVal; | |
var defaultData = typeof parentVal === 'function' | |
? parentVal.call(vm) | |
: undefined; | |
if (instanceData) { | |
return mergeData(instanceData, defaultData) | |
} else { | |
return defaultData | |
} | |
} | |
} | |
}; | |
/** | |
* Hooks and props are merged as arrays. | |
*/ | |
function mergeHook ( | |
parentVal, | |
childVal | |
) { | |
return childVal | |
? parentVal | |
? parentVal.concat(childVal) | |
: Array.isArray(childVal) | |
? childVal | |
: [childVal] | |
: parentVal | |
} | |
LIFECYCLE_HOOKS.forEach(function (hook) { | |
strats[hook] = mergeHook; | |
}); | |
/** | |
* Assets | |
* | |
* When a vm is present (instance creation), we need to do | |
* a three-way merge between constructor options, instance | |
* options and parent options. | |
*/ | |
function mergeAssets (parentVal, childVal) { | |
var res = Object.create(parentVal || null); | |
return childVal | |
? extend(res, childVal) | |
: res | |
} | |
ASSET_TYPES.forEach(function (type) { | |
strats[type + 's'] = mergeAssets; | |
}); | |
/** | |
* Watchers. | |
* | |
* Watchers hashes should not overwrite one | |
* another, so we merge them as arrays. | |
*/ | |
strats.watch = function (parentVal, childVal) { | |
/* istanbul ignore if */ | |
if (!childVal) { return Object.create(parentVal || null) } | |
if (!parentVal) { return childVal } | |
var ret = {}; | |
extend(ret, parentVal); | |
for (var key in childVal) { | |
var parent = ret[key]; | |
var child = childVal[key]; | |
if (parent && !Array.isArray(parent)) { | |
parent = [parent]; | |
} | |
ret[key] = parent | |
? parent.concat(child) | |
: [child]; | |
} | |
return ret | |
}; | |
/** | |
* Other object hashes. | |
*/ | |
strats.props = | |
strats.methods = | |
strats.computed = function (parentVal, childVal) { | |
if (!childVal) { return Object.create(parentVal || null) } | |
if (!parentVal) { return childVal } | |
var ret = Object.create(null); | |
extend(ret, parentVal); | |
extend(ret, childVal); | |
return ret | |
}; | |
/** | |
* Default strategy. | |
*/ | |
var defaultStrat = function (parentVal, childVal) { | |
return childVal === undefined | |
? parentVal | |
: childVal | |
}; | |
/** | |
* Validate component names | |
*/ | |
function checkComponents (options) { | |
for (var key in options.components) { | |
var lower = key.toLowerCase(); | |
if (isBuiltInTag(lower) || config.isReservedTag(lower)) { | |
warn( | |
'Do not use built-in or reserved HTML elements as component ' + | |
'id: ' + key | |
); | |
} | |
} | |
} | |
/** | |
* Ensure all props option syntax are normalized into the | |
* Object-based format. | |
*/ | |
function normalizeProps (options) { | |
var props = options.props; | |
if (!props) { return } | |
var res = {}; | |
var i, val, name; | |
if (Array.isArray(props)) { | |
i = props.length; | |
while (i--) { | |
val = props[i]; | |
if (typeof val === 'string') { | |
name = camelize(val); | |
res[name] = { type: null }; | |
} else { | |
warn('props must be strings when using array syntax.'); | |
} | |
} | |
} else if (isPlainObject(props)) { | |
for (var key in props) { | |
val = props[key]; | |
name = camelize(key); | |
res[name] = isPlainObject(val) | |
? val | |
: { type: val }; | |
} | |
} | |
options.props = res; | |
} | |
/** | |
* Normalize raw function directives into object format. | |
*/ | |
function normalizeDirectives (options) { | |
var dirs = options.directives; | |
if (dirs) { | |
for (var key in dirs) { | |
var def = dirs[key]; | |
if (typeof def === 'function') { | |
dirs[key] = { bind: def, update: def }; | |
} | |
} | |
} | |
} | |
/** | |
* Merge two option objects into a new one. | |
* Core utility used in both instantiation and inheritance. | |
*/ | |
function mergeOptions ( | |
parent, | |
child, | |
vm | |
) { | |
{ | |
checkComponents(child); | |
} | |
if (typeof child === 'function') { | |
child = child.options; | |
} | |
normalizeProps(child); | |
normalizeDirectives(child); | |
var extendsFrom = child.extends; | |
if (extendsFrom) { | |
parent = mergeOptions(parent, extendsFrom, vm); | |
} | |
if (child.mixins) { | |
for (var i = 0, l = child.mixins.length; i < l; i++) { | |
parent = mergeOptions(parent, child.mixins[i], vm); | |
} | |
} | |
var options = {}; | |
var key; | |
for (key in parent) { | |
mergeField(key); | |
} | |
for (key in child) { | |
if (!hasOwn(parent, key)) { | |
mergeField(key); | |
} | |
} | |
function mergeField (key) { | |
var strat = strats[key] || defaultStrat; | |
options[key] = strat(parent[key], child[key], vm, key); | |
} | |
return options | |
} | |
/** | |
* Resolve an asset. | |
* This function is used because child instances need access | |
* to assets defined in its ancestor chain. | |
*/ | |
function resolveAsset ( | |
options, | |
type, | |
id, | |
warnMissing | |
) { | |
/* istanbul ignore if */ | |
if (typeof id !== 'string') { | |
return | |
} | |
var assets = options[type]; | |
// check local registration variations first | |
if (hasOwn(assets, id)) { return assets[id] } | |
var camelizedId = camelize(id); | |
if (hasOwn(assets, camelizedId)) { return assets[camelizedId] } | |
var PascalCaseId = capitalize(camelizedId); | |
if (hasOwn(assets, PascalCaseId)) { return assets[PascalCaseId] } | |
// fallback to prototype chain | |
var res = assets[id] || assets[camelizedId] || assets[PascalCaseId]; | |
if ("development" !== 'production' && warnMissing && !res) { | |
warn( | |
'Failed to resolve ' + type.slice(0, -1) + ': ' + id, | |
options | |
); | |
} | |
return res | |
} | |
/* */ | |
function validateProp ( | |
key, | |
propOptions, | |
propsData, | |
vm | |
) { | |
var prop = propOptions[key]; | |
var absent = !hasOwn(propsData, key); | |
var value = propsData[key]; | |
// handle boolean props | |
if (isType(Boolean, prop.type)) { | |
if (absent && !hasOwn(prop, 'default')) { | |
value = false; | |
} else if (!isType(String, prop.type) && (value === '' || value === hyphenate(key))) { | |
value = true; | |
} | |
} | |
// check default value | |
if (value === undefined) { | |
value = getPropDefaultValue(vm, prop, key); | |
// since the default value is a fresh copy, | |
// make sure to observe it. | |
var prevShouldConvert = observerState.shouldConvert; | |
observerState.shouldConvert = true; | |
observe(value); | |
observerState.shouldConvert = prevShouldConvert; | |
} | |
{ | |
assertProp(prop, key, value, vm, absent); | |
} | |
return value | |
} | |
/** | |
* Get the default value of a prop. | |
*/ | |
function getPropDefaultValue (vm, prop, key) { | |
// no default, return undefined | |
if (!hasOwn(prop, 'default')) { | |
return undefined | |
} | |
var def = prop.default; | |
// warn against non-factory defaults for Object & Array | |
if ("development" !== 'production' && isObject(def)) { | |
warn( | |
'Invalid default value for prop "' + key + '": ' + | |
'Props with type Object/Array must use a factory function ' + | |
'to return the default value.', | |
vm | |
); | |
} | |
// the raw prop value was also undefined from previous render, | |
// return previous default value to avoid unnecessary watcher trigger | |
if (vm && vm.$options.propsData && | |
vm.$options.propsData[key] === undefined && | |
vm._props[key] !== undefined | |
) { | |
return vm._props[key] | |
} | |
// call factory function for non-Function types | |
// a value is Function if its prototype is function even across different execution context | |
return typeof def === 'function' && getType(prop.type) !== 'Function' | |
? def.call(vm) | |
: def | |
} | |
/** | |
* Assert whether a prop is valid. | |
*/ | |
function assertProp ( | |
prop, | |
name, | |
value, | |
vm, | |
absent | |
) { | |
if (prop.required && absent) { | |
warn( | |
'Missing required prop: "' + name + '"', | |
vm | |
); | |
return | |
} | |
if (value == null && !prop.required) { | |
return | |
} | |
var type = prop.type; | |
var valid = !type || type === true; | |
var expectedTypes = []; | |
if (type) { | |
if (!Array.isArray(type)) { | |
type = [type]; | |
} | |
for (var i = 0; i < type.length && !valid; i++) { | |
var assertedType = assertType(value, type[i]); | |
expectedTypes.push(assertedType.expectedType || ''); | |
valid = assertedType.valid; | |
} | |
} | |
if (!valid) { | |
warn( | |
'Invalid prop: type check failed for prop "' + name + '".' + | |
' Expected ' + expectedTypes.map(capitalize).join(', ') + | |
', got ' + Object.prototype.toString.call(value).slice(8, -1) + '.', | |
vm | |
); | |
return | |
} | |
var validator = prop.validator; | |
if (validator) { | |
if (!validator(value)) { | |
warn( | |
'Invalid prop: custom validator check failed for prop "' + name + '".', | |
vm | |
); | |
} | |
} | |
} | |
var simpleCheckRE = /^(String|Number|Boolean|Function|Symbol)$/; | |
function assertType (value, type) { | |
var valid; | |
var expectedType = getType(type); | |
if (simpleCheckRE.test(expectedType)) { | |
valid = typeof value === expectedType.toLowerCase(); | |
} else if (expectedType === 'Object') { | |
valid = isPlainObject(value); | |
} else if (expectedType === 'Array') { | |
valid = Array.isArray(value); | |
} else { | |
valid = value instanceof type; | |
} | |
return { | |
valid: valid, | |
expectedType: expectedType | |
} | |
} | |
/** | |
* Use function string name to check built-in types, | |
* because a simple equality check will fail when running | |
* across different vms / iframes. | |
*/ | |
function getType (fn) { | |
var match = fn && fn.toString().match(/^\s*function (\w+)/); | |
return match ? match[1] : '' | |
} | |
function isType (type, fn) { | |
if (!Array.isArray(fn)) { | |
return getType(fn) === getType(type) | |
} | |
for (var i = 0, len = fn.length; i < len; i++) { | |
if (getType(fn[i]) === getType(type)) { | |
return true | |
} | |
} | |
/* istanbul ignore next */ | |
return false | |
} | |
/* */ | |
var mark; | |
var measure; | |
{ | |
var perf = inBrowser && window.performance; | |
/* istanbul ignore if */ | |
if ( | |
perf && | |
perf.mark && | |
perf.measure && | |
perf.clearMarks && | |
perf.clearMeasures | |
) { | |
mark = function (tag) { return perf.mark(tag); }; | |
measure = function (name, startTag, endTag) { | |
perf.measure(name, startTag, endTag); | |
perf.clearMarks(startTag); | |
perf.clearMarks(endTag); | |
perf.clearMeasures(name); | |
}; | |
} | |
} | |
/* not type checking this file because flow doesn't play well with Proxy */ | |
var initProxy; | |
{ | |
var allowedGlobals = makeMap( | |
'Infinity,undefined,NaN,isFinite,isNaN,' + | |
'parseFloat,parseInt,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,' + | |
'Math,Number,Date,Array,Object,Boolean,String,RegExp,Map,Set,JSON,Intl,' + | |
'require' // for Webpack/Browserify | |
); | |
var warnNonPresent = function (target, key) { | |
warn( | |
"Property or method \"" + key + "\" is not defined on the instance but " + | |
"referenced during render. Make sure to declare reactive data " + | |
"properties in the data option.", | |
target | |
); | |
}; | |
var hasProxy = | |
typeof Proxy !== 'undefined' && | |
Proxy.toString().match(/native code/); | |
if (hasProxy) { | |
var isBuiltInModifier = makeMap('stop,prevent,self,ctrl,shift,alt,meta'); | |
config.keyCodes = new Proxy(config.keyCodes, { | |
set: function set (target, key, value) { | |
if (isBuiltInModifier(key)) { | |
warn(("Avoid overwriting built-in modifier in config.keyCodes: ." + key)); | |
return false | |
} else { | |
target[key] = value; | |
return true | |
} | |
} | |
}); | |
} | |
var hasHandler = { | |
has: function has (target, key) { | |
var has = key in target; | |
var isAllowed = allowedGlobals(key) || key.charAt(0) === '_'; | |
if (!has && !isAllowed) { | |
warnNonPresent(target, key); | |
} | |
return has || !isAllowed | |
} | |
}; | |
var getHandler = { | |
get: function get (target, key) { | |
if (typeof key === 'string' && !(key in target)) { | |
warnNonPresent(target, key); | |
} | |
return target[key] | |
} | |
}; | |
initProxy = function initProxy (vm) { | |
if (hasProxy) { | |
// determine which proxy handler to use | |
var options = vm.$options; | |
var handlers = options.render && options.render._withStripped | |
? getHandler | |
: hasHandler; | |
vm._renderProxy = new Proxy(vm, handlers); | |
} else { | |
vm._renderProxy = vm; | |
} | |
}; | |
} | |
/* */ | |
var VNode = function VNode ( | |
tag, | |
data, | |
children, | |
text, | |
elm, | |
context, | |
componentOptions | |
) { | |
this.tag = tag; | |
this.data = data; | |
this.children = children; | |
this.text = text; | |
this.elm = elm; | |
this.ns = undefined; | |
this.context = context; | |
this.functionalContext = undefined; | |
this.key = data && data.key; | |
this.componentOptions = componentOptions; | |
this.componentInstance = undefined; | |
this.parent = undefined; | |
this.raw = false; | |
this.isStatic = false; | |
this.isRootInsert = true; | |
this.isComment = false; | |
this.isCloned = false; | |
this.isOnce = false; | |
}; | |
var prototypeAccessors = { child: {} }; | |
// DEPRECATED: alias for componentInstance for backwards compat. | |
/* istanbul ignore next */ | |
prototypeAccessors.child.get = function () { | |
return this.componentInstance | |
}; | |
Object.defineProperties( VNode.prototype, prototypeAccessors ); | |
var createEmptyVNode = function () { | |
var node = new VNode(); | |
node.text = ''; | |
node.isComment = true; | |
return node | |
}; | |
function createTextVNode (val) { | |
return new VNode(undefined, undefined, undefined, String(val)) | |
} | |
// optimized shallow clone | |
// used for static nodes and slot nodes because they may be reused across | |
// multiple renders, cloning them avoids errors when DOM manipulations rely | |
// on their elm reference. | |
function cloneVNode (vnode) { | |
var cloned = new VNode( | |
vnode.tag, | |
vnode.data, | |
vnode.children, | |
vnode.text, | |
vnode.elm, | |
vnode.context, | |
vnode.componentOptions | |
); | |
cloned.ns = vnode.ns; | |
cloned.isStatic = vnode.isStatic; | |
cloned.key = vnode.key; | |
cloned.isComment = vnode.isComment; | |
cloned.isCloned = true; | |
return cloned | |
} | |
function cloneVNodes (vnodes) { | |
var len = vnodes.length; | |
var res = new Array(len); | |
for (var i = 0; i < len; i++) { | |
res[i] = cloneVNode(vnodes[i]); | |
} | |
return res | |
} | |
/* */ | |
var normalizeEvent = cached(function (name) { | |
var passive = name.charAt(0) === '&'; | |
name = passive ? name.slice(1) : name; | |
var once$$1 = name.charAt(0) === '~'; // Prefixed last, checked first | |
name = once$$1 ? name.slice(1) : name; | |
var capture = name.charAt(0) === '!'; | |
name = capture ? name.slice(1) : name; | |
return { | |
name: name, | |
once: once$$1, | |
capture: capture, | |
passive: passive | |
} | |
}); | |
function createFnInvoker (fns) { | |
function invoker () { | |
var arguments$1 = arguments; | |
var fns = invoker.fns; | |
if (Array.isArray(fns)) { | |
for (var i = 0; i < fns.length; i++) { | |
fns[i].apply(null, arguments$1); | |
} | |
} else { | |
// return handler return value for single handlers | |
return fns.apply(null, arguments) | |
} | |
} | |
invoker.fns = fns; | |
return invoker | |
} | |
function updateListeners ( | |
on, | |
oldOn, | |
add, | |
remove$$1, | |
vm | |
) { | |
var name, cur, old, event; | |
for (name in on) { | |
cur = on[name]; | |
old = oldOn[name]; | |
event = normalizeEvent(name); | |
if (isUndef(cur)) { | |
"development" !== 'production' && warn( | |
"Invalid handler for event \"" + (event.name) + "\": got " + String(cur), | |
vm | |
); | |
} else if (isUndef(old)) { | |
if (isUndef(cur.fns)) { | |
cur = on[name] = createFnInvoker(cur); | |
} | |
add(event.name, cur, event.once, event.capture, event.passive); | |
} else if (cur !== old) { | |
old.fns = cur; | |
on[name] = old; | |
} | |
} | |
for (name in oldOn) { | |
if (isUndef(on[name])) { | |
event = normalizeEvent(name); | |
remove$$1(event.name, oldOn[name], event.capture); | |
} | |
} | |
} | |
/* */ | |
function mergeVNodeHook (def, hookKey, hook) { | |
var invoker; | |
var oldHook = def[hookKey]; | |
function wrappedHook () { | |
hook.apply(this, arguments); | |
// important: remove merged hook to ensure it's called only once | |
// and prevent memory leak | |
remove(invoker.fns, wrappedHook); | |
} | |
if (isUndef(oldHook)) { | |
// no existing hook | |
invoker = createFnInvoker([wrappedHook]); | |
} else { | |
/* istanbul ignore if */ | |
if (isDef(oldHook.fns) && isTrue(oldHook.merged)) { | |
// already a merged invoker | |
invoker = oldHook; | |
invoker.fns.push(wrappedHook); | |
} else { | |
// existing plain hook | |
invoker = createFnInvoker([oldHook, wrappedHook]); | |
} | |
} | |
invoker.merged = true; | |
def[hookKey] = invoker; | |
} | |
/* */ | |
function extractPropsFromVNodeData ( | |
data, | |
Ctor, | |
tag | |
) { | |
// we are only extracting raw values here. | |
// validation and default values are handled in the child | |
// component itself. | |
var propOptions = Ctor.options.props; | |
if (isUndef(propOptions)) { | |
return | |
} | |
var res = {}; | |
var attrs = data.attrs; | |
var props = data.props; | |
if (isDef(attrs) || isDef(props)) { | |
for (var key in propOptions) { | |
var altKey = hyphenate(key); | |
{ | |
var keyInLowerCase = key.toLowerCase(); | |
if ( | |
key !== keyInLowerCase && | |
attrs && hasOwn(attrs, keyInLowerCase) | |
) { | |
tip( | |
"Prop \"" + keyInLowerCase + "\" is passed to component " + | |
(formatComponentName(tag || Ctor)) + ", but the declared prop name is" + | |
" \"" + key + "\". " + | |
"Note that HTML attributes are case-insensitive and camelCased " + | |
"props need to use their kebab-case equivalents when using in-DOM " + | |
"templates. You should probably use \"" + altKey + "\" instead of \"" + key + "\"." | |
); | |
} | |
} | |
checkProp(res, props, key, altKey, true) || | |
checkProp(res, attrs, key, altKey, false); | |
} | |
} | |
return res | |
} | |
function checkProp ( | |
res, | |
hash, | |
key, | |
altKey, | |
preserve | |
) { | |
if (isDef(hash)) { | |
if (hasOwn(hash, key)) { | |
res[key] = hash[key]; | |
if (!preserve) { | |
delete hash[key]; | |
} | |
return true | |
} else if (hasOwn(hash, altKey)) { | |
res[key] = hash[altKey]; | |
if (!preserve) { | |
delete hash[altKey]; | |
} | |
return true | |
} | |
} | |
return false | |
} | |
/* */ | |
// The template compiler attempts to minimize the need for normalization by | |
// statically analyzing the template at compile time. | |
// | |
// For plain HTML markup, normalization can be completely skipped because the | |
// generated render function is guaranteed to return Array<VNode>. There are | |
// two cases where extra normalization is needed: | |
// 1. When the children contains components - because a functional component | |
// may return an Array instead of a single root. In this case, just a simple | |
// normalization is needed - if any child is an Array, we flatten the whole | |
// thing with Array.prototype.concat. It is guaranteed to be only 1-level deep | |
// because functional components already normalize their own children. | |
function simpleNormalizeChildren (children) { | |
for (var i = 0; i < children.length; i++) { | |
if (Array.isArray(children[i])) { | |
return Array.prototype.concat.apply([], children) | |
} | |
} | |
return children | |
} | |
// 2. When the children contains constructs that always generated nested Arrays, | |
// e.g. <template>, <slot>, v-for, or when the children is provided by user | |
// with hand-written render functions / JSX. In such cases a full normalization | |
// is needed to cater to all possible types of children values. | |
function normalizeChildren (children) { | |
return isPrimitive(children) | |
? [createTextVNode(children)] | |
: Array.isArray(children) | |
? normalizeArrayChildren(children) | |
: undefined | |
} | |
function isTextNode (node) { | |
return isDef(node) && isDef(node.text) && isFalse(node.isComment) | |
} | |
function normalizeArrayChildren (children, nestedIndex) { | |
var res = []; | |
var i, c, last; | |
for (i = 0; i < children.length; i++) { | |
c = children[i]; | |
if (isUndef(c) || typeof c === 'boolean') { continue } | |
last = res[res.length - 1]; | |
// nested | |
if (Array.isArray(c)) { | |
res.push.apply(res, normalizeArrayChildren(c, ((nestedIndex || '') + "_" + i))); | |
} else if (isPrimitive(c)) { | |
if (isTextNode(last)) { | |
// merge adjacent text nodes | |
// this is necessary for SSR hydration because text nodes are | |
// essentially merged when rendered to HTML strings | |
(last).text += String(c); | |
} else if (c !== '') { | |
// convert primitive to vnode | |
res.push(createTextVNode(c)); | |
} | |
} else { | |
if (isTextNode(c) && isTextNode(last)) { | |
// merge adjacent text nodes | |
res[res.length - 1] = createTextVNode(last.text + c.text); | |
} else { | |
// default key for nested array children (likely generated by v-for) | |
if (isTrue(children._isVList) && | |
isDef(c.tag) && | |
isUndef(c.key) && | |
isDef(nestedIndex)) { | |
c.key = "__vlist" + nestedIndex + "_" + i + "__"; | |
} | |
res.push(c); | |
} | |
} | |
} | |
return res | |
} | |
/* */ | |
function ensureCtor (comp, base) { | |
return isObject(comp) | |
? base.extend(comp) | |
: comp | |
} | |
function resolveAsyncComponent ( | |
factory, | |
baseCtor, | |
context | |
) { | |
if (isTrue(factory.error) && isDef(factory.errorComp)) { | |
return factory.errorComp | |
} | |
if (isDef(factory.resolved)) { | |
return factory.resolved | |
} | |
if (isTrue(factory.loading) && isDef(factory.loadingComp)) { | |
return factory.loadingComp | |
} | |
if (isDef(factory.contexts)) { | |
// already pending | |
factory.contexts.push(context); | |
} else { | |
var contexts = factory.contexts = [context]; | |
var sync = true; | |
var forceRender = function () { | |
for (var i = 0, l = contexts.length; i < l; i++) { | |
contexts[i].$forceUpdate(); | |
} | |
}; | |
var resolve = once(function (res) { | |
// cache resolved | |
factory.resolved = ensureCtor(res, baseCtor); | |
// invoke callbacks only if this is not a synchronous resolve | |
// (async resolves are shimmed as synchronous during SSR) | |
if (!sync) { | |
forceRender(); | |
} | |
}); | |
var reject = once(function (reason) { | |
"development" !== 'production' && warn( | |
"Failed to resolve async component: " + (String(factory)) + | |
(reason ? ("\nReason: " + reason) : '') | |
); | |
if (isDef(factory.errorComp)) { | |
factory.error = true; | |
forceRender(); | |
} | |
}); | |
var res = factory(resolve, reject); | |
if (isObject(res)) { | |
if (typeof res.then === 'function') { | |
// () => Promise | |
if (isUndef(factory.resolved)) { | |
res.then(resolve, reject); | |
} | |
} else if (isDef(res.component) && typeof res.component.then === 'function') { | |
res.component.then(resolve, reject); | |
if (isDef(res.error)) { | |
factory.errorComp = ensureCtor(res.error, baseCtor); | |
} | |
if (isDef(res.loading)) { | |
factory.loadingComp = ensureCtor(res.loading, baseCtor); | |
if (res.delay === 0) { | |
factory.loading = true; | |
} else { | |
setTimeout(function () { | |
if (isUndef(factory.resolved) && isUndef(factory.error)) { | |
factory.loading = true; | |
forceRender(); | |
} | |
}, res.delay || 200); | |
} | |
} | |
if (isDef(res.timeout)) { | |
setTimeout(function () { | |
if (isUndef(factory.resolved)) { | |
reject( | |
"timeout (" + (res.timeout) + "ms)" | |
); | |
} | |
}, res.timeout); | |
} | |
} | |
} | |
sync = false; | |
// return in case resolved synchronously | |
return factory.loading | |
? factory.loadingComp | |
: factory.resolved | |
} | |
} | |
/* */ | |
function getFirstComponentChild (children) { | |
if (Array.isArray(children)) { | |
for (var i = 0; i < children.length; i++) { | |
var c = children[i]; | |
if (isDef(c) && isDef(c.componentOptions)) { | |
return c | |
} | |
} | |
} | |
} | |
/* */ | |
/* */ | |
function initEvents (vm) { | |
vm._events = Object.create(null); | |
vm._hasHookEvent = false; | |
// init parent attached events | |
var listeners = vm.$options._parentListeners; | |
if (listeners) { | |
updateComponentListeners(vm, listeners); | |
} | |
} | |
var target; | |
function add (event, fn, once$$1) { | |
if (once$$1) { | |
target.$once(event, fn); | |
} else { | |
target.$on(event, fn); | |
} | |
} | |
function remove$1 (event, fn) { | |
target.$off(event, fn); | |
} | |
function updateComponentListeners ( | |
vm, | |
listeners, | |
oldListeners | |
) { | |
target = vm; | |
updateListeners(listeners, oldListeners || {}, add, remove$1, vm); | |
} | |
function eventsMixin (Vue) { | |
var hookRE = /^hook:/; | |
Vue.prototype.$on = function (event, fn) { | |
var this$1 = this; | |
var vm = this; | |
if (Array.isArray(event)) { | |
for (var i = 0, l = event.length; i < l; i++) { | |
this$1.$on(event[i], fn); | |
} | |
} else { | |
(vm._events[event] || (vm._events[event] = [])).push(fn); | |
// optimize hook:event cost by using a boolean flag marked at registration | |
// instead of a hash lookup | |
if (hookRE.test(event)) { | |
vm._hasHookEvent = true; | |
} | |
} | |
return vm | |
}; | |
Vue.prototype.$once = function (event, fn) { | |
var vm = this; | |
function on () { | |
vm.$off(event, on); | |
fn.apply(vm, arguments); | |
} | |
on.fn = fn; | |
vm.$on(event, on); | |
return vm | |
}; | |
Vue.prototype.$off = function (event, fn) { | |
var this$1 = this; | |
var vm = this; | |
// all | |
if (!arguments.length) { | |
vm._events = Object.create(null); | |
return vm | |
} | |
// array of events | |
if (Array.isArray(event)) { | |
for (var i$1 = 0, l = event.length; i$1 < l; i$1++) { | |
this$1.$off(event[i$1], fn); | |
} | |
return vm | |
} | |
// specific event | |
var cbs = vm._events[event]; | |
if (!cbs) { | |
return vm | |
} | |
if (arguments.length === 1) { | |
vm._events[event] = null; | |
return vm | |
} | |
// specific handler | |
var cb; | |
var i = cbs.length; | |
while (i--) { | |
cb = cbs[i]; | |
if (cb === fn || cb.fn === fn) { | |
cbs.splice(i, 1); | |
break | |
} | |
} | |
return vm | |
}; | |
Vue.prototype.$emit = function (event) { | |
var vm = this; | |
{ | |
var lowerCaseEvent = event.toLowerCase(); | |
if (lowerCaseEvent !== event && vm._events[lowerCaseEvent]) { | |
tip( | |
"Event \"" + lowerCaseEvent + "\" is emitted in component " + | |
(formatComponentName(vm)) + " 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 + "\"." | |
); | |
} | |
} | |
var cbs = vm._events[event]; | |
if (cbs) { | |
cbs = cbs.length > 1 ? toArray(cbs) : cbs; | |
var args = toArray(arguments, 1); | |
for (var i = 0, l = cbs.length; i < l; i++) { | |
cbs[i].apply(vm, args); | |
} | |
} | |
return vm | |
}; | |
} | |
/* */ | |
/** | |
* Runtime helper for resolving raw children VNodes into a slot object. | |
*/ | |
function resolveSlots ( | |
children, | |
context | |
) { | |
var slots = {}; | |
if (!children) { | |
return slots | |
} | |
var defaultSlot = []; | |
for (var i = 0, l = children.length; i < l; i++) { | |
var child = children[i]; | |
// named slots should only be respected if the vnode was rendered in the | |
// same context. | |
if ((child.context === context || child.functionalContext === context) && | |
child.data && child.data.slot != null | |
) { | |
var name = child.data.slot; | |
var slot = (slots[name] || (slots[name] = [])); | |
if (child.tag === 'template') { | |
slot.push.apply(slot, child.children); | |
} else { | |
slot.push(child); | |
} | |
} else { | |
defaultSlot.push(child); | |
} | |
} | |
// ignore whitespace | |
if (!defaultSlot.every(isWhitespace)) { | |
slots.default = defaultSlot; | |
} | |
return slots | |
} | |
function isWhitespace (node) { | |
return node.isComment || node.text === ' ' | |
} | |
function resolveScopedSlots ( | |
fns, // see flow/vnode | |
res | |
) { | |
res = res || {}; | |
for (var i = 0; i < fns.length; i++) { | |
if (Array.isArray(fns[i])) { | |
resolveScopedSlots(fns[i], res); | |
} else { | |
res[fns[i].key] = fns[i].fn; | |
} | |
} | |
return res | |
} | |
/* */ | |
var activeInstance = null; | |
function initLifecycle (vm) { | |
var options = vm.$options; | |
// locate first non-abstract parent | |
var parent = options.parent; | |
if (parent && !options.abstract) { | |
while (parent.$options.abstract && parent.$parent) { | |
parent = parent.$parent; | |
} | |
parent.$children.push(vm); | |
} | |
vm.$parent = parent; | |
vm.$root = parent ? parent.$root : vm; | |
vm.$children = []; | |
vm.$refs = {}; | |
vm._watcher = null; | |
vm._inactive = null; | |
vm._directInactive = false; | |
vm._isMounted = false; | |
vm._isDestroyed = false; | |
vm._isBeingDestroyed = false; | |
} | |
function lifecycleMixin (Vue) { | |
Vue.prototype._update = function (vnode, hydrating) { | |
var vm = this; | |
if (vm._isMounted) { | |
callHook(vm, 'beforeUpdate'); | |
} | |
var prevEl = vm.$el; | |
var prevVnode = vm._vnode; | |
var prevActiveInstance = activeInstance; | |
activeInstance = vm; | |
vm._vnode = vnode; | |
// Vue.prototype.__patch__ is injected in entry points | |
// based on the rendering backend used. | |
if (!prevVnode) { | |
// initial render | |
vm.$el = vm.__patch__( | |
vm.$el, vnode, hydrating, false /* removeOnly */, | |
vm.$options._parentElm, | |
vm.$options._refElm | |
); | |
} else { | |
// updates | |
vm.$el = vm.__patch__(prevVnode, vnode); | |
} | |
activeInstance = prevActiveInstance; | |
// update __vue__ reference | |
if (prevEl) { | |
prevEl.__vue__ = null; | |
} | |
if (vm.$el) { | |
vm.$el.__vue__ = vm; | |
} | |
// if parent is an HOC, update its $el as well | |
if (vm.$vnode && vm.$parent && vm.$vnode === vm.$parent._vnode) { | |
vm.$parent.$el = vm.$el; | |
} | |
// updated hook is called by the scheduler to ensure that children are | |
// updated in a parent's updated hook. | |
}; | |
Vue.prototype.$forceUpdate = function () { | |
var vm = this; | |
if (vm._watcher) { | |
vm._watcher.update(); | |
} | |
}; | |
Vue.prototype.$destroy = function () { | |
var vm = this; | |
if (vm._isBeingDestroyed) { | |
return | |
} | |
callHook(vm, 'beforeDestroy'); | |
vm._isBeingDestroyed = true; | |
// remove self from parent | |
var parent = vm.$parent; | |
if (parent && !parent._isBeingDestroyed && !vm.$options.abstract) { | |
remove(parent.$children, vm); | |
} | |
// teardown watchers | |
if (vm._watcher) { | |
vm._watcher.teardown(); | |
} | |
var i = vm._watchers.length; | |
while (i--) { | |
vm._watchers[i].teardown(); | |
} | |
// remove reference from data ob | |
// frozen object may not have observer. | |
if (vm._data.__ob__) { | |
vm._data.__ob__.vmCount--; | |
} | |
// call the last hook... | |
vm._isDestroyed = true; | |
// invoke destroy hooks on current rendered tree | |
vm.__patch__(vm._vnode, null); | |
// fire destroyed hook | |
callHook(vm, 'destroyed'); | |
// turn off all instance listeners. | |
vm.$off(); | |
// remove __vue__ reference | |
if (vm.$el) { | |
vm.$el.__vue__ = null; | |
} | |
// remove reference to DOM nodes (prevents leak) | |
vm.$options._parentElm = vm.$options._refElm = null; | |
}; | |
} | |
function mountComponent ( | |
vm, | |
el, | |
hydrating | |
) { | |
vm.$el = el; | |
if (!vm.$options.render) { | |
vm.$options.render = createEmptyVNode; | |
{ | |
/* istanbul ignore if */ | |
if ((vm.$options.template && vm.$options.template.charAt(0) !== '#') || | |
vm.$options.el || el) { | |
warn( | |
'You are using the runtime-only build of Vue where the template ' + | |
'compiler is not available. Either pre-compile the templates into ' + | |
'render functions, or use the compiler-included build.', | |
vm | |
); | |
} else { | |
warn( | |
'Failed to mount component: template or render function not defined.', | |
vm | |
); | |
} | |
} | |
} | |
callHook(vm, 'beforeMount'); | |
var updateComponent; | |
/* istanbul ignore if */ | |
if ("development" !== 'production' && config.performance && mark) { | |
updateComponent = function () { | |
var name = vm._name; | |
var id = vm._uid; | |
var startTag = "vue-perf-start:" + id; | |
var endTag = "vue-perf-end:" + id; | |
mark(startTag); | |
var vnode = vm._render(); | |
mark(endTag); | |
measure((name + " render"), startTag, endTag); | |
mark(startTag); | |
vm._update(vnode, hydrating); | |
mark(endTag); | |
measure((name + " patch"), startTag, endTag); | |
}; | |
} else { | |
updateComponent = function () { | |
vm._update(vm._render(), hydrating); | |
}; | |
} | |
vm._watcher = new Watcher(vm, updateComponent, noop); | |
hydrating = false; | |
// manually mounted instance, call mounted on self | |
// mounted is called for render-created child components in its inserted hook | |
if (vm.$vnode == null) { | |
vm._isMounted = true; | |
callHook(vm, 'mounted'); | |
} | |
return vm | |
} | |
function updateChildComponent ( | |
vm, | |
propsData, | |
listeners, | |
parentVnode, | |
renderChildren | |
) { | |
// determine whether component has slot children | |
// we need to do this before overwriting $options._renderChildren | |
var hasChildren = !!( | |
renderChildren || // has new static slots | |
vm.$options._renderChildren || // has old static slots | |
parentVnode.data.scopedSlots || // has new scoped slots | |
vm.$scopedSlots !== emptyObject // has old scoped slots | |
); | |
vm.$options._parentVnode = parentVnode; | |
vm.$vnode = parentVnode; // update vm's placeholder node without re-render | |
if (vm._vnode) { // update child tree's parent | |
vm._vnode.parent = parentVnode; | |
} | |
vm.$options._renderChildren = renderChildren; | |
// update props | |
if (propsData && vm.$options.props) { | |
observerState.shouldConvert = false; | |
{ | |
observerState.isSettingProps = true; | |
} | |
var props = vm._props; | |
var propKeys = vm.$options._propKeys || []; | |
for (var i = 0; i < propKeys.length; i++) { | |
var key = propKeys[i]; | |
props[key] = validateProp(key, vm.$options.props, propsData, vm); | |
} | |
observerState.shouldConvert = true; | |
{ | |
observerState.isSettingProps = false; | |
} | |
// keep a copy of raw propsData | |
vm.$options.propsData = propsData; | |
} | |
// update listeners | |
if (listeners) { | |
var oldListeners = vm.$options._parentListeners; | |
vm.$options._parentListeners = listeners; | |
updateComponentListeners(vm, listeners, oldListeners); | |
} | |
// resolve slots + force update if has children | |
if (hasChildren) { | |
vm.$slots = resolveSlots(renderChildren, parentVnode.context); | |
vm.$forceUpdate(); | |
} | |
} | |
function isInInactiveTree (vm) { | |
while (vm && (vm = vm.$parent)) { | |
if (vm._inactive) { return true } | |
} | |
return false | |
} | |
function activateChildComponent (vm, direct) { | |
if (direct) { | |
vm._directInactive = false; | |
if (isInInactiveTree(vm)) { | |
return | |
} | |
} else if (vm._directInactive) { | |
return | |
} | |
if (vm._inactive || vm._inactive === null) { | |
vm._inactive = false; | |
for (var i = 0; i < vm.$children.length; i++) { | |
activateChildComponent(vm.$children[i]); | |
} | |
callHook(vm, 'activated'); | |
} | |
} | |
function deactivateChildComponent (vm, direct) { | |
if (direct) { | |
vm._directInactive = true; | |
if (isInInactiveTree(vm)) { | |
return | |
} | |
} | |
if (!vm._inactive) { | |
vm._inactive = true; | |
for (var i = 0; i < vm.$children.length; i++) { | |
deactivateChildComponent(vm.$children[i]); | |
} | |
callHook(vm, 'deactivated'); | |
} | |
} | |
function callHook (vm, hook) { | |
var handlers = vm.$options[hook]; | |
if (handlers) { | |
for (var i = 0, j = handlers.length; i < j; i++) { | |
try { | |
handlers[i].call(vm); | |
} catch (e) { | |
handleError(e, vm, (hook + " hook")); | |
} | |
} | |
} | |
if (vm._hasHookEvent) { | |
vm.$emit('hook:' + hook); | |
} | |
} | |
/* */ | |
var MAX_UPDATE_COUNT = 100; | |
var queue = []; | |
var activatedChildren = []; | |
var has = {}; | |
var circular = {}; | |
var waiting = false; | |
var flushing = false; | |
var index = 0; | |
/** | |
* Reset the scheduler's state. | |
*/ | |
function resetSchedulerState () { | |
index = queue.length = activatedChildren.length = 0; | |
has = {}; | |
{ | |
circular = {}; | |
} | |
waiting = flushing = false; | |
} | |
/** | |
* Flush both queues and run the watchers. | |
*/ | |
function flushSchedulerQueue () { | |
flushing = true; | |
var watcher, id; | |
// Sort queue before flush. | |
// This ensures that: | |
// 1. Components are updated from parent to child. (because parent is always | |
// created before the child) | |
// 2. A component's user watchers are run before its render watcher (because | |
// user watchers are created before the render watcher) | |
// 3. If a component is destroyed during a parent component's watcher run, | |
// its watchers can be skipped. | |
queue.sort(function (a, b) { return a.id - b.id; }); | |
// do not cache length because more watchers might be pushed | |
// as we run existing watchers | |
for (index = 0; index < queue.length; index++) { | |
watcher = queue[index]; | |
id = watcher.id; | |
has[id] = null; | |
watcher.run(); | |
// in dev build, check and stop circular updates. | |
if ("development" !== 'production' && has[id] != null) { | |
circular[id] = (circular[id] || 0) + 1; | |
if (circular[id] > MAX_UPDATE_COUNT) { | |
warn( | |
'You may have an infinite update loop ' + ( | |
watcher.user | |
? ("in watcher with expression \"" + (watcher.expression) + "\"") | |
: "in a component render function." | |
), | |
watcher.vm | |
); | |
break | |
} | |
} | |
} | |
// keep copies of post queues before resetting state | |
var activatedQueue = activatedChildren.slice(); | |
var updatedQueue = queue.slice(); | |
resetSchedulerState(); | |
// call component updated and activated hooks | |
callActivatedHooks(activatedQueue); | |
callUpdateHooks(updatedQueue); | |
// devtool hook | |
/* istanbul ignore if */ | |
if (devtools && config.devtools) { | |
devtools.emit('flush'); | |
} | |
} | |
function callUpdateHooks (queue) { | |
var i = queue.length; | |
while (i--) { | |
var watcher = queue[i]; | |
var vm = watcher.vm; | |
if (vm._watcher === watcher && vm._isMounted) { | |
callHook(vm, 'updated'); | |
} | |
} | |
} | |
/** | |
* Queue a kept-alive component that was activated during patch. | |
* The queue will be processed after the entire tree has been patched. | |
*/ | |
function queueActivatedComponent (vm) { | |
// setting _inactive to false here so that a render function can | |
// rely on checking whether it's in an inactive tree (e.g. router-view) | |
vm._inactive = false; | |
activatedChildren.push(vm); | |
} | |
function callActivatedHooks (queue) { | |
for (var i = 0; i < queue.length; i++) { | |
queue[i]._inactive = true; | |
activateChildComponent(queue[i], true /* true */); | |
} | |
} | |
/** | |
* Push a watcher into the watcher queue. | |
* Jobs with duplicate IDs will be skipped unless it's | |
* pushed when the queue is being flushed. | |
*/ | |
function queueWatcher (watcher) { | |
var id = watcher.id; | |
if (has[id] == null) { | |
has[id] = true; | |
if (!flushing) { | |
queue.push(watcher); | |
} else { | |
// if already flushing, splice the watcher based on its id | |
// if already past its id, it will be run next immediately. | |
var i = queue.length - 1; | |
while (i > index && queue[i].id > watcher.id) { | |
i--; | |
} | |
queue.splice(i + 1, 0, watcher); | |
} | |
// queue the flush | |
if (!waiting) { | |
waiting = true; | |
nextTick(flushSchedulerQueue); | |
} | |
} | |
} | |
/* */ | |
var uid$2 = 0; | |
/** | |
* A watcher parses an expression, collects dependencies, | |
* and fires callback when the expression value changes. | |
* This is used for both the $watch() api and directives. | |
*/ | |
var Watcher = function Watcher ( | |
vm, | |
expOrFn, | |
cb, | |
options | |
) { | |
this.vm = vm; | |
vm._watchers.push(this); | |
// options | |
if (options) { | |
this.deep = !!options.deep; | |
this.user = !!options.user; | |
this.lazy = !!options.lazy; | |
this.sync = !!options.sync; | |
} else { | |
this.deep = this.user = this.lazy = this.sync = false; | |
} | |
this.cb = cb; | |
this.id = ++uid$2; // uid for batching | |
this.active = true; | |
this.dirty = this.lazy; // for lazy watchers | |
this.deps = []; | |
this.newDeps = []; | |
this.depIds = new _Set(); | |
this.newDepIds = new _Set(); | |
this.expression = expOrFn.toString(); | |
// parse expression for getter | |
if (typeof expOrFn === 'function') { | |
this.getter = expOrFn; | |
} else { | |
this.getter = parsePath(expOrFn); | |
if (!this.getter) { | |
this.getter = function () {}; | |
"development" !== 'production' && warn( | |
"Failed watching path: \"" + expOrFn + "\" " + | |
'Watcher only accepts simple dot-delimited paths. ' + | |
'For full control, use a function instead.', | |
vm | |
); | |
} | |
} | |
this.value = this.lazy | |
? undefined | |
: this.get(); | |
}; | |
/** | |
* Evaluate the getter, and re-collect dependencies. | |
*/ | |
Watcher.prototype.get = function get () { | |
pushTarget(this); | |
var value; | |
var vm = this.vm; | |
if (this.user) { | |
try { | |
value = this.getter.call(vm, vm); | |
} catch (e) { | |
handleError(e, vm, ("getter for watcher \"" + (this.expression) + "\"")); | |
} | |
} else { | |
value = this.getter.call(vm, vm); | |
} | |
// "touch" every property so they are all tracked as | |
// dependencies for deep watching | |
if (this.deep) { | |
traverse(value); | |
} | |
popTarget(); | |
this.cleanupDeps(); | |
return value | |
}; | |
/** | |
* Add a dependency to this directive. | |
*/ | |
Watcher.prototype.addDep = function addDep (dep) { | |
var id = dep.id; | |
if (!this.newDepIds.has(id)) { | |
this.newDepIds.add(id); | |
this.newDeps.push(dep); | |
if (!this.depIds.has(id)) { | |
dep.addSub(this); | |
} | |
} | |
}; | |
/** | |
* Clean up for dependency collection. | |
*/ | |
Watcher.prototype.cleanupDeps = function cleanupDeps () { | |
var this$1 = this; | |
var i = this.deps.length; | |
while (i--) { | |
var dep = this$1.deps[i]; | |
if (!this$1.newDepIds.has(dep.id)) { | |
dep.removeSub(this$1); | |
} | |
} | |
var tmp = this.depIds; | |
this.depIds = this.newDepIds; | |
this.newDepIds = tmp; | |
this.newDepIds.clear(); | |
tmp = this.deps; | |
this.deps = this.newDeps; | |
this.newDeps = tmp; | |
this.newDeps.length = 0; | |
}; | |
/** | |
* Subscriber interface. | |
* Will be called when a dependency changes. | |
*/ | |
Watcher.prototype.update = function update () { | |
/* istanbul ignore else */ | |
if (this.lazy) { | |
this.dirty = true; | |
} else if (this.sync) { | |
this.run(); | |
} else { | |
queueWatcher(this); | |
} | |
}; | |
/** | |
* Scheduler job interface. | |
* Will be called by the scheduler. | |
*/ | |
Watcher.prototype.run = function run () { | |
if (this.active) { | |
var value = this.get(); | |
if ( | |
value !== this.value || | |
// Deep watchers and watchers on Object/Arrays should fire even | |
// when the value is the same, because the value may | |
// have mutated. | |
isObject(value) || | |
this.deep | |
) { | |
// set new value | |
var oldValue = this.value; | |
this.value = value; | |
if (this.user) { | |
try { | |
this.cb.call(this.vm, value, oldValue); | |
} catch (e) { | |
handleError(e, this.vm, ("callback for watcher \"" + (this.expression) + "\"")); | |
} | |
} else { | |
this.cb.call(this.vm, value, oldValue); | |
} | |
} | |
} | |
}; | |
/** | |
* Evaluate the value of the watcher. | |
* This only gets called for lazy watchers. | |
*/ | |
Watcher.prototype.evaluate = function evaluate () { | |
this.value = this.get(); | |
this.dirty = false; | |
}; | |
/** | |
* Depend on all deps collected by this watcher. | |
*/ | |
Watcher.prototype.depend = function depend () { | |
var this$1 = this; | |
var i = this.deps.length; | |
while (i--) { | |
this$1.deps[i].depend(); | |
} | |
}; | |
/** | |
* Remove self from all dependencies' subscriber list. | |
*/ | |
Watcher.prototype.teardown = function teardown () { | |
var this$1 = this; | |
if (this.active) { | |
// remove self from vm's watcher list | |
// this is a somewhat expensive operation so we skip it | |
// if the vm is being destroyed. | |
if (!this.vm._isBeingDestroyed) { | |
remove(this.vm._watchers, this); | |
} | |
var i = this.deps.length; | |
while (i--) { | |
this$1.deps[i].removeSub(this$1); | |
} | |
this.active = false; | |
} | |
}; | |
/** | |
* Recursively traverse an object to evoke all converted | |
* getters, so that every nested property inside the object | |
* is collected as a "deep" dependency. | |
*/ | |
var seenObjects = new _Set(); | |
function traverse (val) { | |
seenObjects.clear(); | |
_traverse(val, seenObjects); | |
} | |
function _traverse (val, seen) { | |
var i, keys; | |
var isA = Array.isArray(val); | |
if ((!isA && !isObject(val)) || !Object.isExtensible(val)) { | |
return | |
} | |
if (val.__ob__) { | |
var depId = val.__ob__.dep.id; | |
if (seen.has(depId)) { | |
return | |
} | |
seen.add(depId); | |
} | |
if (isA) { | |
i = val.length; | |
while (i--) { _traverse(val[i], seen); } | |
} else { | |
keys = Object.keys(val); | |
i = keys.length; | |
while (i--) { _traverse(val[keys[i]], seen); } | |
} | |
} | |
/* */ | |
var sharedPropertyDefinition = { | |
enumerable: true, | |
configurable: true, | |
get: noop, | |
set: noop | |
}; | |
function proxy (target, sourceKey, key) { | |
sharedPropertyDefinition.get = function proxyGetter () { | |
return this[sourceKey][key] | |
}; | |
sharedPropertyDefinition.set = function proxySetter (val) { | |
this[sourceKey][key] = val; | |
}; | |
Object.defineProperty(target, key, sharedPropertyDefinition); | |
} | |
function initState (vm) { | |
vm._watchers = []; | |
var opts = vm.$options; | |
if (opts.props) { initProps(vm, opts.props); } | |
if (opts.methods) { initMethods(vm, opts.methods); } | |
if (opts.data) { | |
initData(vm); | |
} else { | |
observe(vm._data = {}, true /* asRootData */); | |
} | |
if (opts.computed) { initComputed(vm, opts.computed); } | |
if (opts.watch) { initWatch(vm, opts.watch); } | |
} | |
var isReservedProp = { | |
key: 1, | |
ref: 1, | |
slot: 1 | |
}; | |
function initProps (vm, propsOptions) { | |
var propsData = vm.$options.propsData || {}; | |
var props = vm._props = {}; | |
// cache prop keys so that future props updates can iterate using Array | |
// instead of dynamic object key enumeration. | |
var keys = vm.$options._propKeys = []; | |
var isRoot = !vm.$parent; | |
// root instance props should be converted | |
observerState.shouldConvert = isRoot; | |
var loop = function ( key ) { | |
keys.push(key); | |
var value = validateProp(key, propsOptions, propsData, vm); | |
/* istanbul ignore else */ | |
{ | |
if (isReservedProp[key] || config.isReservedAttr(key)) { | |
warn( | |
("\"" + key + "\" is a reserved attribute and cannot be used as component prop."), | |
vm | |
); | |
} | |
defineReactive$$1(props, key, value, function () { | |
if (vm.$parent && !observerState.isSettingProps) { | |
warn( | |
"Avoid mutating a prop directly since the value will be " + | |
"overwritten whenever the parent component re-renders. " + | |
"Instead, use a data or computed property based on the prop's " + | |
"value. Prop being mutated: \"" + key + "\"", | |
vm | |
); | |
} | |
}); | |
} | |
// static props are already proxied on the component's prototype | |
// during Vue.extend(). We only need to proxy props defined at | |
// instantiation here. | |
if (!(key in vm)) { | |
proxy(vm, "_props", key); | |
} | |
}; | |
for (var key in propsOptions) loop( key ); | |
observerState.shouldConvert = true; | |
} | |
function initData (vm) { | |
var data = vm.$options.data; | |
data = vm._data = typeof data === 'function' | |
? getData(data, vm) | |
: data || {}; | |
if (!isPlainObject(data)) { | |
data = {}; | |
"development" !== 'production' && warn( | |
'data functions should return an object:\n' + | |
'https://vuejs.org/v2/guide/components.html#data-Must-Be-a-Function', | |
vm | |
); | |
} | |
// proxy data on instance | |
var keys = Object.keys(data); | |
var props = vm.$options.props; | |
var i = keys.length; | |
while (i--) { | |
if (props && hasOwn(props, keys[i])) { | |
"development" !== 'production' && warn( | |
"The data property \"" + (keys[i]) + "\" is already declared as a prop. " + | |
"Use prop default value instead.", | |
vm | |
); | |
} else if (!isReserved(keys[i])) { | |
proxy(vm, "_data", keys[i]); | |
} | |
} | |
// observe data | |
observe(data, true /* asRootData */); | |
} | |
function getData (data, vm) { | |
try { | |
return data.call(vm) | |
} catch (e) { | |
handleError(e, vm, "data()"); | |
return {} | |
} | |
} | |
var computedWatcherOptions = { lazy: true }; | |
function initComputed (vm, computed) { | |
var watchers = vm._computedWatchers = Object.create(null); | |
for (var key in computed) { | |
var userDef = computed[key]; | |
var getter = typeof userDef === 'function' ? userDef : userDef.get; | |
{ | |
if (getter === undefined) { | |
warn( | |
("No getter function has been defined for computed property \"" + key + "\"."), | |
vm | |
); | |
getter = noop; | |
} | |
} | |
// create internal watcher for the computed property. | |
watchers[key] = new Watcher(vm, getter, noop, computedWatcherOptions); | |
// component-defined computed properties are already defined on the | |
// component prototype. We only need to define computed properties defined | |
// at instantiation here. | |
if (!(key in vm)) { | |
defineComputed(vm, key, userDef); | |
} else { | |
if (key in vm.$data) { | |
warn(("The computed property \"" + key + "\" is already defined in data."), vm); | |
} else if (vm.$options.props && key in vm.$options.props) { | |
warn(("The computed property \"" + key + "\" is already defined as a prop."), vm); | |
} | |
} | |
} | |
} | |
function defineComputed (target, key, userDef) { | |
if (typeof userDef === 'function') { | |
sharedPropertyDefinition.get = createComputedGetter(key); | |
sharedPropertyDefinition.set = noop; | |
} else { | |
sharedPropertyDefinition.get = userDef.get | |
? userDef.cache !== false | |
? createComputedGetter(key) | |
: userDef.get | |
: noop; | |
sharedPropertyDefinition.set = userDef.set | |
? userDef.set | |
: noop; | |
} | |
Object.defineProperty(target, key, sharedPropertyDefinition); | |
} | |
function createComputedGetter (key) { | |
return function computedGetter () { | |
var watcher = this._computedWatchers && this._computedWatchers[key]; | |
if (watcher) { | |
if (watcher.dirty) { | |
watcher.evaluate(); | |
} | |
if (Dep.target) { | |
watcher.depend(); | |
} | |
return watcher.value | |
} | |
} | |
} | |
function initMethods (vm, methods) { | |
var props = vm.$options.props; | |
for (var key in methods) { | |
vm[key] = methods[key] == null ? noop : bind(methods[key], vm); | |
{ | |
if (methods[key] == null) { | |
warn( | |
"method \"" + key + "\" has an undefined value in the component definition. " + | |
"Did you reference the function correctly?", | |
vm | |
); | |
} | |
if (props && hasOwn(props, key)) { | |
warn( | |
("method \"" + key + "\" has already been defined as a prop."), | |
vm | |
); | |
} | |
} | |
} | |
} | |
function initWatch (vm, watch) { | |
for (var key in watch) { | |
var handler = watch[key]; | |
if (Array.isArray(handler)) { | |
for (var i = 0; i < handler.length; i++) { | |
createWatcher(vm, key, handler[i]); | |
} | |
} else { | |
createWatcher(vm, key, handler); | |
} | |
} | |
} | |
function createWatcher (vm, key, handler) { | |
var options; | |
if (isPlainObject(handler)) { | |
options = handler; | |
handler = handler.handler; | |
} | |
if (typeof handler === 'string') { | |
handler = vm[handler]; | |
} | |
vm.$watch(key, handler, options); | |
} | |
function stateMixin (Vue) { | |
// flow somehow has problems with directly declared definition object | |
// when using Object.defineProperty, so we have to procedurally build up | |
// the object here. | |
var dataDef = {}; | |
dataDef.get = function () { return this._data }; | |
var propsDef = {}; | |
propsDef.get = function () { return this._props }; | |
{ | |
dataDef.set = function (newData) { | |
warn( | |
'Avoid replacing instance root $data. ' + | |
'Use nested data properties instead.', | |
this | |
); | |
}; | |
propsDef.set = function () { | |
warn("$props is readonly.", this); | |
}; | |
} | |
Object.defineProperty(Vue.prototype, '$data', dataDef); | |
Object.defineProperty(Vue.prototype, '$props', propsDef); | |
Vue.prototype.$set = set; | |
Vue.prototype.$delete = del; | |
Vue.prototype.$watch = function ( | |
expOrFn, | |
cb, | |
options | |
) { | |
var vm = this; | |
options = options || {}; | |
options.user = true; | |
var watcher = new Watcher(vm, expOrFn, cb, options); | |
if (options.immediate) { | |
cb.call(vm, watcher.value); | |
} | |
return function unwatchFn () { | |
watcher.teardown(); | |
} | |
}; | |
} | |
/* */ | |
function initProvide (vm) { | |
var provide = vm.$options.provide; | |
if (provide) { | |
vm._provided = typeof provide === 'function' | |
? provide.call(vm) | |
: provide; | |
} | |
} | |
function initInjections (vm) { | |
var result = resolveInject(vm.$options.inject, vm); | |
if (result) { | |
Object.keys(result).forEach(function (key) { | |
/* istanbul ignore else */ | |
{ | |
defineReactive$$1(vm, key, result[key], function () { | |
warn( | |
"Avoid mutating an injected value directly since the changes will be " + | |
"overwritten whenever the provided component re-renders. " + | |
"injection being mutated: \"" + key + "\"", | |
vm | |
); | |
}); | |
} | |
}); | |
} | |
} | |
function resolveInject (inject, vm) { | |
if (inject) { | |
// inject is :any because flow is not smart enough to figure out cached | |
// isArray here | |
var isArray = Array.isArray(inject); | |
var result = Object.create(null); | |
var keys = isArray | |
? inject | |
: hasSymbol | |
? Reflect.ownKeys(inject) | |
: Object.keys(inject); | |
for (var i = 0; i < keys.length; i++) { | |
var key = keys[i]; | |
var provideKey = isArray ? key : inject[key]; | |
var source = vm; | |
while (source) { | |
if (source._provided && provideKey in source._provided) { | |
result[key] = source._provided[provideKey]; | |
break | |
} | |
source = source.$parent; | |
} | |
} | |
return result | |
} | |
} | |
/* */ | |
function createFunctionalComponent ( | |
Ctor, | |
propsData, | |
data, | |
context, | |
children | |
) { | |
var props = {}; | |
var propOptions = Ctor.options.props; | |
if (isDef(propOptions)) { | |
for (var key in propOptions) { | |
props[key] = validateProp(key, propOptions, propsData || {}); | |
} | |
} else { | |
if (isDef(data.attrs)) { mergeProps(props, data.attrs); } | |
if (isDef(data.props)) { mergeProps(props, data.props); } | |
} | |
// ensure the createElement function in functional components | |
// gets a unique context - this is necessary for correct named slot check | |
var _context = Object.create(context); | |
var h = function (a, b, c, d) { return createElement(_context, a, b, c, d, true); }; | |
var vnode = Ctor.options.render.call(null, h, { | |
data: data, | |
props: props, | |
children: children, | |
parent: context, | |
listeners: data.on || {}, | |
injections: resolveInject(Ctor.options.inject, context), | |
slots: function () { return resolveSlots(children, context); } | |
}); | |
if (vnode instanceof VNode) { | |
vnode.functionalContext = context; | |
vnode.functionalOptions = Ctor.options; | |
if (data.slot) { | |
(vnode.data || (vnode.data = {})).slot = data.slot; | |
} | |
} | |
return vnode | |
} | |
function mergeProps (to, from) { | |
for (var key in from) { | |
to[camelize(key)] = from[key]; | |
} | |
} | |
/* */ | |
// hooks to be invoked on component VNodes during patch | |
var componentVNodeHooks = { | |
init: function init ( | |
vnode, | |
hydrating, | |
parentElm, | |
refElm | |
) { | |
if (!vnode.componentInstance || vnode.componentInstance._isDestroyed) { | |
var child = vnode.componentInstance = createComponentInstanceForVnode( | |
vnode, | |
activeInstance, | |
parentElm, | |
refElm | |
); | |
child.$mount(hydrating ? vnode.elm : undefined, hydrating); | |
} else if (vnode.data.keepAlive) { | |
// kept-alive components, treat as a patch | |
var mountedNode = vnode; // work around flow | |
componentVNodeHooks.prepatch(mountedNode, mountedNode); | |
} | |
}, | |
prepatch: function prepatch (oldVnode, vnode) { | |
var options = vnode.componentOptions; | |
var child = vnode.componentInstance = oldVnode.componentInstance; | |
updateChildComponent( | |
child, | |
options.propsData, // updated props | |
options.listeners, // updated listeners | |
vnode, // new parent vnode | |
options.children // new children | |
); | |
}, | |
insert: function insert (vnode) { | |
var context = vnode.context; | |
var componentInstance = vnode.componentInstance; | |
if (!componentInstance._isMounted) { | |
componentInstance._isMounted = true; | |
callHook(componentInstance, 'mounted'); | |
} | |
if (vnode.data.keepAlive) { | |
if (context._isMounted) { | |
// vue-router#1212 | |
// During updates, a kept-alive component's child components may | |
// change, so directly walking the tree here may call activated hooks | |
// on incorrect children. Instead we push them into a queue which will | |
// be processed after the whole patch process ended. | |
queueActivatedComponent(componentInstance); | |
} else { | |
activateChildComponent(componentInstance, true /* direct */); | |
} | |
} | |
}, | |
destroy: function destroy (vnode) { | |
var componentInstance = vnode.componentInstance; | |
if (!componentInstance._isDestroyed) { | |
if (!vnode.data.keepAlive) { | |
componentInstance.$destroy(); | |
} else { | |
deactivateChildComponent(componentInstance, true /* direct */); | |
} | |
} | |
} | |
}; | |
var hooksToMerge = Object.keys(componentVNodeHooks); | |
function createComponent ( | |
Ctor, | |
data, | |
context, | |
children, | |
tag | |
) { | |
if (isUndef(Ctor)) { | |
return | |
} | |
var baseCtor = context.$options._base; | |
// plain options object: turn it into a constructor | |
if (isObject(Ctor)) { | |
Ctor = baseCtor.extend(Ctor); | |
} | |
// if at this stage it's not a constructor or an async component factory, | |
// reject. | |
if (typeof Ctor !== 'function') { | |
{ | |
warn(("Invalid Component definition: " + (String(Ctor))), context); | |
} | |
return | |
} | |
// async component | |
if (isUndef(Ctor.cid)) { | |
Ctor = resolveAsyncComponent(Ctor, baseCtor, context); | |
if (Ctor === undefined) { | |
// return nothing if this is indeed an async component | |
// wait for the callback to trigger parent update. | |
return | |
} | |
} | |
// resolve constructor options in case global mixins are applied after | |
// component constructor creation | |
resolveConstructorOptions(Ctor); | |
data = data || {}; | |
// transform component v-model data into props & events | |
if (isDef(data.model)) { | |
transformModel(Ctor.options, data); | |
} | |
// extract props | |
var propsData = extractPropsFromVNodeData(data, Ctor, tag); | |
// functional component | |
if (isTrue(Ctor.options.functional)) { | |
return createFunctionalComponent(Ctor, propsData, data, context, children) | |
} | |
// extract listeners, since these needs to be treated as | |
// child component listeners instead of DOM listeners | |
var listeners = data.on; | |
// replace with listeners with .native modifier | |
data.on = data.nativeOn; | |
if (isTrue(Ctor.options.abstract)) { | |
// abstract components do not keep anything | |
// other than props & listeners | |
data = {}; | |
} | |
// merge component management hooks onto the placeholder node | |
mergeHooks(data); | |
// return a placeholder vnode | |
var name = Ctor.options.name || tag; | |
var vnode = new VNode( | |
("vue-component-" + (Ctor.cid) + (name ? ("-" + name) : '')), | |
data, undefined, undefined, undefined, context, | |
{ Ctor: Ctor, propsData: propsData, listeners: listeners, tag: tag, children: children } | |
); | |
return vnode | |
} | |
function createComponentInstanceForVnode ( | |
vnode, // we know it's MountedComponentVNode but flow doesn't | |
parent, // activeInstance in lifecycle state | |
parentElm, | |
refElm | |
) { | |
var vnodeComponentOptions = vnode.componentOptions; | |
var options = { | |
_isComponent: true, | |
parent: parent, | |
propsData: vnodeComponentOptions.propsData, | |
_componentTag: vnodeComponentOptions.tag, | |
_parentVnode: vnode, | |
_parentListeners: vnodeComponentOptions.listeners, | |
_renderChildren: vnodeComponentOptions.children, | |
_parentElm: parentElm || null, | |
_refElm: refElm || null | |
}; | |
// check inline-template render functions | |
var inlineTemplate = vnode.data.inlineTemplate; | |
if (isDef(inlineTemplate)) { | |
options.render = inlineTemplate.render; | |
options.staticRenderFns = inlineTemplate.staticRenderFns; | |
} | |
return new vnodeComponentOptions.Ctor(options) | |
} | |
function mergeHooks (data) { | |
if (!data.hook) { | |
data.hook = {}; | |
} | |
for (var i = 0; i < hooksToMerge.length; i++) { | |
var key = hooksToMerge[i]; | |
var fromParent = data.hook[key]; | |
var ours = componentVNodeHooks[key]; | |
data.hook[key] = fromParent ? mergeHook$1(ours, fromParent) : ours; | |
} | |
} | |
function mergeHook$1 (one, two) { | |
return function (a, b, c, d) { | |
one(a, b, c, d); | |
two(a, b, c, d); | |
} | |
} | |
// transform component v-model info (value and callback) into | |
// prop and event handler respectively. | |
function transformModel (options, data) { | |
var prop = (options.model && options.model.prop) || 'value'; | |
var event = (options.model && options.model.event) || 'input';(data.props || (data.props = {}))[prop] = data.model.value; | |
var on = data.on || (data.on = {}); | |
if (isDef(on[event])) { | |
on[event] = [data.model.callback].concat(on[event]); | |
} else { | |
on[event] = data.model.callback; | |
} | |
} | |
/* */ | |
var SIMPLE_NORMALIZE = 1; | |
var ALWAYS_NORMALIZE = 2; | |
// wrapper function for providing a more flexible interface | |
// without getting yelled at by flow | |
function createElement ( | |
context, | |
tag, | |
data, | |
children, | |
normalizationType, | |
alwaysNormalize | |
) { | |
if (Array.isArray(data) || isPrimitive(data)) { | |
normalizationType = children; | |
children = data; | |
data = undefined; | |
} | |
if (isTrue(alwaysNormalize)) { | |
normalizationType = ALWAYS_NORMALIZE; | |
} | |
return _createElement(context, tag, data, children, normalizationType) | |
} | |
function _createElement ( | |
context, | |
tag, | |
data, | |
children, | |
normalizationType | |
) { | |
if (isDef(data) && isDef((data).__ob__)) { | |
"development" !== 'production' && warn( | |
"Avoid using observed data object as vnode data: " + (JSON.stringify(data)) + "\n" + | |
'Always create fresh vnode data objects in each render!', | |
context | |
); | |
return createEmptyVNode() | |
} | |
if (!tag) { | |
// in case of component :is set to falsy value | |
return createEmptyVNode() | |
} | |
// support single function children as default scoped slot | |
if (Array.isArray(children) && | |
typeof children[0] === 'function' | |
) { | |
data = data || {}; | |
data.scopedSlots = { default: children[0] }; | |
children.length = 0; | |
} | |
if (normalizationType === ALWAYS_NORMALIZE) { | |
children = normalizeChildren(children); | |
} else if (normalizationType === SIMPLE_NORMALIZE) { | |
children = simpleNormalizeChildren(children); | |
} | |
var vnode, ns; | |
if (typeof tag === 'string') { | |
var Ctor; | |
ns = config.getTagNamespace(tag); | |
if (config.isReservedTag(tag)) { | |
// platform built-in elements | |
vnode = new VNode( | |
config.parsePlatformTagName(tag), data, children, | |
undefined, undefined, context | |
); | |
} else if (isDef(Ctor = resolveAsset(context.$options, 'components', tag))) { | |
// component | |
vnode = createComponent(Ctor, data, context, children, tag); | |
} else { | |
// unknown or unlisted namespaced elements | |
// check at runtime because it may get assigned a namespace when its | |
// parent normalizes children | |
vnode = new VNode( | |
tag, data, children, | |
undefined, undefined, context | |
); | |
} | |
} else { | |
// direct component options / constructor | |
vnode = createComponent(tag, data, context, children); | |
} | |
if (isDef(vnode)) { | |
if (ns) { applyNS(vnode, ns); } | |
return vnode | |
} else { | |
return createEmptyVNode() | |
} | |
} | |
function applyNS (vnode, ns) { | |
vnode.ns = ns; | |
if (vnode.tag === 'foreignObject') { | |
// use default namespace inside foreignObject | |
return | |
} | |
if (isDef(vnode.children)) { | |
for (var i = 0, l = vnode.children.length; i < l; i++) { | |
var child = vnode.children[i]; | |
if (isDef(child.tag) && isUndef(child.ns)) { | |
applyNS(child, ns); | |
} | |
} | |
} | |
} | |
/* */ | |
/** | |
* Runtime helper for rendering v-for lists. | |
*/ | |
function renderList ( | |
val, | |
render | |
) { | |
var ret, i, l, keys, key; | |
if (Array.isArray(val) || typeof val === 'string') { | |
ret = new Array(val.length); | |
for (i = 0, l = val.length; i < l; i++) { | |
ret[i] = render(val[i], i); | |
} | |
} else if (typeof val === 'number') { | |
ret = new Array(val); | |
for (i = 0; i < val; i++) { | |
ret[i] = render(i + 1, i); | |
} | |
} else if (isObject(val)) { | |
keys = Object.keys(val); | |
ret = new Array(keys.length); | |
for (i = 0, l = keys.length; i < l; i++) { | |
key = keys[i]; | |
ret[i] = render(val[key], key, i); | |
} | |
} | |
if (isDef(ret)) { | |
(ret)._isVList = true; | |
} | |
return ret | |
} | |
/* */ | |
/** | |
* Runtime helper for rendering <slot> | |
*/ | |
function renderSlot ( | |
name, | |
fallback, | |
props, | |
bindObject | |
) { | |
var scopedSlotFn = this.$scopedSlots[name]; | |
if (scopedSlotFn) { // scoped slot | |
props = props || {}; | |
if (bindObject) { | |
extend(props, bindObject); | |
} | |
return scopedSlotFn(props) || fallback | |
} else { | |
var slotNodes = this.$slots[name]; | |
// warn duplicate slot usage | |
if (slotNodes && "development" !== 'production') { | |
slotNodes._rendered && warn( | |
"Duplicate presence of slot \"" + name + "\" found in the same render tree " + | |
"- this will likely cause render errors.", | |
this | |
); | |
slotNodes._rendered = true; | |
} | |
return slotNodes || fallback | |
} | |
} | |
/* */ | |
/** | |
* Runtime helper for resolving filters | |
*/ | |
function resolveFilter (id) { | |
return resolveAsset(this.$options, 'filters', id, true) || identity | |
} | |
/* */ | |
/** | |
* Runtime helper for checking keyCodes from config. | |
*/ | |
function checkKeyCodes ( | |
eventKeyCode, | |
key, | |
builtInAlias | |
) { | |
var keyCodes = config.keyCodes[key] || builtInAlias; | |
if (Array.isArray(keyCodes)) { | |
return keyCodes.indexOf(eventKeyCode) === -1 | |
} else { | |
return keyCodes !== eventKeyCode | |
} | |
} | |
/* */ | |
/** | |
* Runtime helper for merging v-bind="object" into a VNode's data. | |
*/ | |
function bindObjectProps ( | |
data, | |
tag, | |
value, | |
asProp | |
) { | |
if (value) { | |
if (!isObject(value)) { | |
"development" !== 'production' && warn( | |
'v-bind without argument expects an Object or Array value', | |
this | |
); | |
} else { | |
if (Array.isArray(value)) { | |
value = toObject(value); | |
} | |
var hash; | |
for (var key in value) { | |
if (key === 'class' || key === 'style') { | |
hash = data; | |
} else { | |
var type = data.attrs && data.attrs.type; | |
hash = asProp || config.mustUseProp(tag, type, key) | |
? data.domProps || (data.domProps = {}) | |
: data.attrs || (data.attrs = {}); | |
} | |
if (!(key in hash)) { | |
hash[key] = value[key]; | |
} | |
} | |
} | |
} | |
return data | |
} | |
/* */ | |
/** | |
* Runtime helper for rendering static trees. | |
*/ | |
function renderStatic ( | |
index, | |
isInFor | |
) { | |
var tree = this._staticTrees[index]; | |
// if has already-rendered static tree and not inside v-for, | |
// we can reuse the same tree by doing a shallow clone. | |
if (tree && !isInFor) { | |
return Array.isArray(tree) | |
? cloneVNodes(tree) | |
: cloneVNode(tree) | |
} | |
// otherwise, render a fresh tree. | |
tree = this._staticTrees[index] = | |
this.$options.staticRenderFns[index].call(this._renderProxy); | |
markStatic(tree, ("__static__" + index), false); | |
return tree | |
} | |
/** | |
* Runtime helper for v-once. | |
* Effectively it means marking the node as static with a unique key. | |
*/ | |
function markOnce ( | |
tree, | |
index, | |
key | |
) { | |
markStatic(tree, ("__once__" + index + (key ? ("_" + key) : "")), true); | |
return tree | |
} | |
function markStatic ( | |
tree, | |
key, | |
isOnce | |
) { | |
if (Array.isArray(tree)) { | |
for (var i = 0; i < tree.length; i++) { | |
if (tree[i] && typeof tree[i] !== 'string') { | |
markStaticNode(tree[i], (key + "_" + i), isOnce); | |
} | |
} | |
} else { | |
markStaticNode(tree, key, isOnce); | |
} | |
} | |
function markStaticNode (node, key, isOnce) { | |
node.isStatic = true; | |
node.key = key; | |
node.isOnce = isOnce; | |
} | |
/* */ | |
function initRender (vm) { | |
vm._vnode = null; // the root of the child tree | |
vm._staticTrees = null; | |
var parentVnode = vm.$vnode = vm.$options._parentVnode; // the placeholder node in parent tree | |
var renderContext = parentVnode && parentVnode.context; | |
vm.$slots = resolveSlots(vm.$options._renderChildren, renderContext); | |
vm.$scopedSlots = emptyObject; | |
// bind the createElement fn to this instance | |
// so that we get proper render context inside it. | |
// args order: tag, data, children, normalizationType, alwaysNormalize | |
// internal version is used by render functions compiled from templates | |
vm._c = function (a, b, c, d) { return createElement(vm, a, b, c, d, false); }; | |
// normalization is always applied for the public version, used in | |
// user-written render functions. | |
vm.$createElement = function (a, b, c, d) { return createElement(vm, a, b, c, d, true); }; | |
} | |
function renderMixin (Vue) { | |
Vue.prototype.$nextTick = function (fn) { | |
return nextTick(fn, this) | |
}; | |
Vue.prototype._render = function () { | |
var vm = this; | |
var ref = vm.$options; | |
var render = ref.render; | |
var staticRenderFns = ref.staticRenderFns; | |
var _parentVnode = ref._parentVnode; | |
if (vm._isMounted) { | |
// clone slot nodes on re-renders | |
for (var key in vm.$slots) { | |
vm.$slots[key] = cloneVNodes(vm.$slots[key]); | |
} | |
} | |
vm.$scopedSlots = (_parentVnode && _parentVnode.data.scopedSlots) || emptyObject; | |
if (staticRenderFns && !vm._staticTrees) { | |
vm._staticTrees = []; | |
} | |
// set parent vnode. this allows render functions to have access | |
// to the data on the placeholder node. | |
vm.$vnode = _parentVnode; | |
// render self | |
var vnode; | |
try { | |
vnode = render.call(vm._renderProxy, vm.$createElement); | |
} catch (e) { | |
handleError(e, vm, "render function"); | |
// return error render result, | |
// or previous vnode to prevent render error causing blank component | |
/* istanbul ignore else */ | |
{ | |
vnode = vm.$options.renderError | |
? vm.$options.renderError.call(vm._renderProxy, vm.$createElement, e) | |
: vm._vnode; | |
} | |
} | |
// return empty vnode in case the render function errored out | |
if (!(vnode instanceof VNode)) { | |
if ("development" !== 'production' && Array.isArray(vnode)) { | |
warn( | |
'Multiple root nodes returned from render function. Render function ' + | |
'should return a single root node.', | |
vm | |
); | |
} | |
vnode = createEmptyVNode(); | |
} | |
// set parent | |
vnode.parent = _parentVnode; | |
return vnode | |
}; | |
// internal render helpers. | |
// these are exposed on the instance prototype to reduce generated render | |
// code size. | |
Vue.prototype._o = markOnce; | |
Vue.prototype._n = toNumber; | |
Vue.prototype._s = toString; | |
Vue.prototype._l = renderList; | |
Vue.prototype._t = renderSlot; | |
Vue.prototype._q = looseEqual; | |
Vue.prototype._i = looseIndexOf; | |
Vue.prototype._m = renderStatic; | |
Vue.prototype._f = resolveFilter; | |
Vue.prototype._k = checkKeyCodes; | |
Vue.prototype._b = bindObjectProps; | |
Vue.prototype._v = createTextVNode; | |
Vue.prototype._e = createEmptyVNode; | |
Vue.prototype._u = resolveScopedSlots; | |
} | |
/* */ | |
var uid$1 = 0; | |
function initMixin (Vue) { | |
Vue.prototype._init = function (options) { | |
var vm = this; | |
// a uid | |
vm._uid = uid$1++; | |
var startTag, endTag; | |
/* istanbul ignore if */ | |
if ("development" !== 'production' && config.performance && mark) { | |
startTag = "vue-perf-init:" + (vm._uid); | |
endTag = "vue-perf-end:" + (vm._uid); | |
mark(startTag); | |
} | |
// a flag to avoid this being observed | |
vm._isVue = true; | |
// merge options | |
if (options && options._isComponent) { | |
// optimize internal component instantiation | |
// since dynamic options merging is pretty slow, and none of the | |
// internal component options needs special treatment. | |
initInternalComponent(vm, options); | |
} else { | |
vm.$options = mergeOptions( | |
resolveConstructorOptions(vm.constructor), | |
options || {}, | |
vm | |
); | |
} | |
/* istanbul ignore else */ | |
{ | |
initProxy(vm); | |
} | |
// expose real self | |
vm._self = vm; | |
initLifecycle(vm); | |
initEvents(vm); | |
initRender(vm); | |
callHook(vm, 'beforeCreate'); | |
initInjections(vm); // resolve injections before data/props | |
initState(vm); | |
initProvide(vm); // resolve provide after data/props | |
callHook(vm, 'created'); | |
/* istanbul ignore if */ | |
if ("development" !== 'production' && config.performance && mark) { | |
vm._name = formatComponentName(vm, false); | |
mark(endTag); | |
measure(((vm._name) + " init"), startTag, endTag); | |
} | |
if (vm.$options.el) { | |
vm.$mount(vm.$options.el); | |
} | |
}; | |
} | |
function initInternalComponent (vm, options) { | |
var opts = vm.$options = Object.create(vm.constructor.options); | |
// doing this because it's faster than dynamic enumeration. | |
opts.parent = options.parent; | |
opts.propsData = options.propsData; | |
opts._parentVnode = options._parentVnode; | |
opts._parentListeners = options._parentListeners; | |
opts._renderChildren = options._renderChildren; | |
opts._componentTag = options._componentTag; | |
opts._parentElm = options._parentElm; | |
opts._refElm = options._refElm; | |
if (options.render) { | |
opts.render = options.render; | |
opts.staticRenderFns = options.staticRenderFns; | |
} | |
} | |
function resolveConstructorOptions (Ctor) { | |
var options = Ctor.options; | |
if (Ctor.super) { | |
var superOptions = resolveConstructorOptions(Ctor.super); | |
var cachedSuperOptions = Ctor.superOptions; | |
if (superOptions !== cachedSuperOptions) { | |
// super option changed, | |
// need to resolve new options. | |
Ctor.superOptions = superOptions; | |
// check if there are any late-modified/attached options (#4976) | |
var modifiedOptions = resolveModifiedOptions(Ctor); | |
// update base extend options | |
if (modifiedOptions) { | |
extend(Ctor.extendOptions, modifiedOptions); | |
} | |
options = Ctor.options = mergeOptions(superOptions, Ctor.extendOptions); | |
if (options.name) { | |
options.components[options.name] = Ctor; | |
} | |
} | |
} | |
return options | |
} | |
function resolveModifiedOptions (Ctor) { | |
var modified; | |
var latest = Ctor.options; | |
var extended = Ctor.extendOptions; | |
var sealed = Ctor.sealedOptions; | |
for (var key in latest) { | |
if (latest[key] !== sealed[key]) { | |
if (!modified) { modified = {}; } | |
modified[key] = dedupe(latest[key], extended[key], sealed[key]); | |
} | |
} | |
return modified | |
} | |
function dedupe (latest, extended, sealed) { | |
// compare latest and sealed to ensure lifecycle hooks won't be duplicated | |
// between merges | |
if (Array.isArray(latest)) { | |
var res = []; | |
sealed = Array.isArray(sealed) ? sealed : [sealed]; | |
extended = Array.isArray(extended) ? extended : [extended]; | |
for (var i = 0; i < latest.length; i++) { | |
// push original options and not sealed options to exclude duplicated options | |
if (extended.indexOf(latest[i]) >= 0 || sealed.indexOf(latest[i]) < 0) { | |
res.push(latest[i]); | |
} | |
} | |
return res | |
} else { | |
return latest | |
} | |
} | |
function Vue$3 (options) { | |
if ("development" !== 'production' && | |
!(this instanceof Vue$3) | |
) { | |
warn('Vue is a constructor and should be called with the `new` keyword'); | |
} | |
this._init(options); | |
} | |
initMixin(Vue$3); | |
stateMixin(Vue$3); | |
eventsMixin(Vue$3); | |
lifecycleMixin(Vue$3); | |
renderMixin(Vue$3); | |
/* */ | |
function initUse (Vue) { | |
Vue.use = function (plugin) { | |
/* istanbul ignore if */ | |
if (plugin.installed) { | |
return this | |
} | |
// additional parameters | |
var args = toArray(arguments, 1); | |
args.unshift(this); | |
if (typeof plugin.install === 'function') { | |
plugin.install.apply(plugin, args); | |
} else if (typeof plugin === 'function') { | |
plugin.apply(null, args); | |
} | |
plugin.installed = true; | |
return this | |
}; | |
} | |
/* */ | |
function initMixin$1 (Vue) { | |
Vue.mixin = function (mixin) { | |
this.options = mergeOptions(this.options, mixin); | |
return this | |
}; | |
} | |
/* */ | |
function initExtend (Vue) { | |
/** | |
* Each instance constructor, including Vue, has a unique | |
* cid. This enables us to create wrapped "child | |
* constructors" for prototypal inheritance and cache them. | |
*/ | |
Vue.cid = 0; | |
var cid = 1; | |
/** | |
* Class inheritance | |
*/ | |
Vue.extend = function (extendOptions) { | |
extendOptions = extendOptions || {}; | |
var Super = this; | |
var SuperId = Super.cid; | |
var cachedCtors = extendOptions._Ctor || (extendOptions._Ctor = {}); | |
if (cachedCtors[SuperId]) { | |
return cachedCtors[SuperId] | |
} | |
var name = extendOptions.name || Super.options.name; | |
{ | |
if (!/^[a-zA-Z][\w-]*$/.test(name)) { | |
warn( | |
'Invalid component name: "' + name + '". Component names ' + | |
'can only contain alphanumeric characters and the hyphen, ' + | |
'and must start with a letter.' | |
); | |
} | |
} | |
var Sub = function VueComponent (options) { | |
this._init(options); | |
}; | |
Sub.prototype = Object.create(Super.prototype); | |
Sub.prototype.constructor = Sub; | |
Sub.cid = cid++; | |
Sub.options = mergeOptions( | |
Super.options, | |
extendOptions | |
); | |
Sub['super'] = Super; | |
// For props and computed properties, we define the proxy getters on | |
// the Vue instances at extension time, on the extended prototype. This | |
// avoids Object.defineProperty calls for each instance created. | |
if (Sub.options.props) { | |
initProps$1(Sub); | |
} | |
if (Sub.options.computed) { | |
initComputed$1(Sub); | |
} | |
// allow further extension/mixin/plugin usage | |
Sub.extend = Super.extend; | |
Sub.mixin = Super.mixin; | |
Sub.use = Super.use; | |
// create asset registers, so extended classes | |
// can have their private assets too. | |
ASSET_TYPES.forEach(function (type) { | |
Sub[type] = Super[type]; | |
}); | |
// enable recursive self-lookup | |
if (name) { | |
Sub.options.components[name] = Sub; | |
} | |
// keep a reference to the super options at extension time. | |
// later at instantiation we can check if Super's options have | |
// been updated. | |
Sub.superOptions = Super.options; | |
Sub.extendOptions = extendOptions; | |
Sub.sealedOptions = extend({}, Sub.options); | |
// cache constructor | |
cachedCtors[SuperId] = Sub; | |
return Sub | |
}; | |
} | |
function initProps$1 (Comp) { | |
var props = Comp.options.props; | |
for (var key in props) { | |
proxy(Comp.prototype, "_props", key); | |
} | |
} | |
function initComputed$1 (Comp) { | |
var computed = Comp.options.computed; | |
for (var key in computed) { | |
defineComputed(Comp.prototype, key, computed[key]); | |
} | |
} | |
/* */ | |
function initAssetRegisters (Vue) { | |
/** | |
* Create asset registration methods. | |
*/ | |
ASSET_TYPES.forEach(function (type) { | |
Vue[type] = function ( | |
id, | |
definition | |
) { | |
if (!definition) { | |
return this.options[type + 's'][id] | |
} else { | |
/* istanbul ignore if */ | |
{ | |
if (type === 'component' && config.isReservedTag(id)) { | |
warn( | |
'Do not use built-in or reserved HTML elements as component ' + | |
'id: ' + id | |
); | |
} | |
} | |
if (type === 'component' && isPlainObject(definition)) { | |
definition.name = definition.name || id; | |
definition = this.options._base.extend(definition); | |
} | |
if (type === 'directive' && typeof definition === 'function') { | |
definition = { bind: definition, update: definition }; | |
} | |
this.options[type + 's'][id] = definition; | |
return definition | |
} | |
}; | |
}); | |
} | |
/* */ | |
var patternTypes = [String, RegExp]; | |
function getComponentName (opts) { | |
return opts && (opts.Ctor.options.name || opts.tag) | |
} | |
function matches (pattern, name) { | |
if (typeof pattern === 'string') { | |
return pattern.split(',').indexOf(name) > -1 | |
} else if (isRegExp(pattern)) { | |
return pattern.test(name) | |
} | |
/* istanbul ignore next */ | |
return false | |
} | |
function pruneCache (cache, current, filter) { | |
for (var key in cache) { | |
var cachedNode = cache[key]; | |
if (cachedNode) { | |
var name = getComponentName(cachedNode.componentOptions); | |
if (name && !filter(name)) { | |
if (cachedNode !== current) { | |
pruneCacheEntry(cachedNode); | |
} | |
cache[key] = null; | |
} | |
} | |
} | |
} | |
function pruneCacheEntry (vnode) { | |
if (vnode) { | |
vnode.componentInstance.$destroy(); | |
} | |
} | |
var KeepAlive = { | |
name: 'keep-alive', | |
abstract: true, | |
props: { | |
include: patternTypes, | |
exclude: patternTypes | |
}, | |
created: function created () { | |
this.cache = Object.create(null); | |
}, | |
destroyed: function destroyed () { | |
var this$1 = this; | |
for (var key in this$1.cache) { | |
pruneCacheEntry(this$1.cache[key]); | |
} | |
}, | |
watch: { | |
include: function include (val) { | |
pruneCache(this.cache, this._vnode, function (name) { return matches(val, name); }); | |
}, | |
exclude: function exclude (val) { | |
pruneCache(this.cache, this._vnode, function (name) { return !matches(val, name); }); | |
} | |
}, | |
render: function render () { | |
var vnode = getFirstComponentChild(this.$slots.default); | |
var componentOptions = vnode && vnode.componentOptions; | |
if (componentOptions) { | |
// check pattern | |
var name = getComponentName(componentOptions); | |
if (name && ( | |
(this.include && !matches(this.include, name)) || | |
(this.exclude && matches(this.exclude, name)) | |
)) { | |
return vnode | |
} | |
var key = vnode.key == null | |
// same constructor may get registered as different local components | |
// so cid alone is not enough (#3269) | |
? componentOptions.Ctor.cid + (componentOptions.tag ? ("::" + (componentOptions.tag)) : '') | |
: vnode.key; | |
if (this.cache[key]) { | |
vnode.componentInstance = this.cache[key].componentInstance; | |
} else { | |
this.cache[key] = vnode; | |
} | |
vnode.data.keepAlive = true; | |
} | |
return vnode | |
} | |
}; | |
var builtInComponents = { | |
KeepAlive: KeepAlive | |
}; | |
/* */ | |
function initGlobalAPI (Vue) { | |
// config | |
var configDef = {}; | |
configDef.get = function () { return config; }; | |
{ | |
configDef.set = function () { | |
warn( | |
'Do not replace the Vue.config object, set individual fields instead.' | |
); | |
}; | |
} | |
Object.defineProperty(Vue, 'config', configDef); | |
// exposed util methods. | |
// NOTE: these are not considered part of the public API - avoid relying on | |
// them unless you are aware of the risk. | |
Vue.util = { | |
warn: warn, | |
extend: extend, | |
mergeOptions: mergeOptions, | |
defineReactive: defineReactive$$1 | |
}; | |
Vue.set = set; | |
Vue.delete = del; | |
Vue.nextTick = nextTick; | |
Vue.options = Object.create(null); | |
ASSET_TYPES.forEach(function (type) { | |
Vue.options[type + 's'] = Object.create(null); | |
}); | |
// this is used to identify the "base" constructor to extend all plain-object | |
// components with in Weex's multi-instance scenarios. | |
Vue.options._base = Vue; | |
extend(Vue.options.components, builtInComponents); | |
initUse(Vue); | |
initMixin$1(Vue); | |
initExtend(Vue); | |
initAssetRegisters(Vue); | |
} | |
initGlobalAPI(Vue$3); | |
Object.defineProperty(Vue$3.prototype, '$isServer', { | |
get: isServerRendering | |
}); | |
Object.defineProperty(Vue$3.prototype, '$ssrContext', { | |
get: function get () { | |
/* istanbul ignore next */ | |
return this.$vnode.ssrContext | |
} | |
}); | |
Vue$3.version = '2.3.4'; | |
/* */ | |
// these are reserved for web because they are directly compiled away | |
// during template compilation | |
var isReservedAttr = makeMap('style,class'); | |
// attributes that should be using props for binding | |
var acceptValue = makeMap('input,textarea,option,select'); | |
var mustUseProp = function (tag, type, attr) { | |
return ( | |
(attr === 'value' && acceptValue(tag)) && type !== 'button' || | |
(attr === 'selected' && tag === 'option') || | |
(attr === 'checked' && tag === 'input') || | |
(attr === 'muted' && tag === 'video') | |
) | |
}; | |
var isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck'); | |
var isBooleanAttr = makeMap( | |
'allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,' + | |
'default,defaultchecked,defaultmuted,defaultselected,defer,disabled,' + | |
'enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,' + | |
'muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,' + | |
'required,reversed,scoped,seamless,selected,sortable,translate,' + | |
'truespeed,typemustmatch,visible' | |
); | |
var xlinkNS = 'http://www.w3.org/1999/xlink'; | |
var isXlink = function (name) { | |
return name.charAt(5) === ':' && name.slice(0, 5) === 'xlink' | |
}; | |
var getXlinkProp = function (name) { | |
return isXlink(name) ? name.slice(6, name.length) : '' | |
}; | |
var isFalsyAttrValue = function (val) { | |
return val == null || val === false | |
}; | |
/* */ | |
function genClassForVnode (vnode) { | |
var data = vnode.data; | |
var parentNode = vnode; | |
var childNode = vnode; | |
while (isDef(childNode.componentInstance)) { | |
childNode = childNode.componentInstance._vnode; | |
if (childNode.data) { | |
data = mergeClassData(childNode.data, data); | |
} | |
} | |
while (isDef(parentNode = parentNode.parent)) { | |
if (parentNode.data) { | |
data = mergeClassData(data, parentNode.data); | |
} | |
} | |
return genClassFromData(data) | |
} | |
function mergeClassData (child, parent) { | |
return { | |
staticClass: concat(child.staticClass, parent.staticClass), | |
class: isDef(child.class) | |
? [child.class, parent.class] | |
: parent.class | |
} | |
} | |
function genClassFromData (data) { | |
var dynamicClass = data.class; | |
var staticClass = data.staticClass; | |
if (isDef(staticClass) || isDef(dynamicClass)) { | |
return concat(staticClass, stringifyClass(dynamicClass)) | |
} | |
/* istanbul ignore next */ | |
return '' | |
} | |
function concat (a, b) { | |
return a ? b ? (a + ' ' + b) : a : (b || '') | |
} | |
function stringifyClass (value) { | |
if (isUndef(value)) { | |
return '' | |
} | |
if (typeof value === 'string') { | |
return value | |
} | |
var res = ''; | |
if (Array.isArray(value)) { | |
var stringified; | |
for (var i = 0, l = value.length; i < l; i++) { | |
if (isDef(value[i])) { | |
if (isDef(stringified = stringifyClass(value[i])) && stringified !== '') { | |
res += stringified + ' '; | |
} | |
} | |
} | |
return res.slice(0, -1) | |
} | |
if (isObject(value)) { | |
for (var key in value) { | |
if (value[key]) { res += key + ' '; } | |
} | |
return res.slice(0, -1) | |
} | |
/* istanbul ignore next */ | |
return res | |
} | |
/* */ | |
var namespaceMap = { | |
svg: 'http://www.w3.org/2000/svg', | |
math: 'http://www.w3.org/1998/Math/MathML' | |
}; | |
var isHTMLTag = makeMap( | |
'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,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,menuitem,summary,' + | |
'content,element,shadow,template' | |
); | |
// this map is intentionally selective, only covering SVG elements that may | |
// contain child elements. | |
var isSVG = makeMap( | |
'svg,animate,circle,clippath,cursor,defs,desc,ellipse,filter,font-face,' + | |
'foreignObject,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' + | |
'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view', | |
true | |
); | |
var isPreTag = function (tag) { return tag === 'pre'; }; | |
var isReservedTag = function (tag) { | |
return isHTMLTag(tag) || isSVG(tag) | |
}; | |
function getTagNamespace (tag) { | |
if (isSVG(tag)) { | |
return 'svg' | |
} | |
// basic support for MathML | |
// note it doesn't support other MathML elements being component roots | |
if (tag === 'math') { | |
return 'math' | |
} | |
} | |
var unknownElementCache = Object.create(null); | |
function isUnknownElement (tag) { | |
/* istanbul ignore if */ | |
if (!inBrowser) { | |
return true | |
} | |
if (isReservedTag(tag)) { | |
return false | |
} | |
tag = tag.toLowerCase(); | |
/* istanbul ignore if */ | |
if (unknownElementCache[tag] != null) { | |
return unknownElementCache[tag] | |
} | |
var el = document.createElement(tag); | |
if (tag.indexOf('-') > -1) { | |
// http://stackoverflow.com/a/28210364/1070244 | |
return (unknownElementCache[tag] = ( | |
el.constructor === window.HTMLUnknownElement || | |
el.constructor === window.HTMLElement | |
)) | |
} else { | |
return (unknownElementCache[tag] = /HTMLUnknownElement/.test(el.toString())) | |
} | |
} | |
/* */ | |
/** | |
* Query an element selector if it's not an element already. | |
*/ | |
function query (el) { | |
if (typeof el === 'string') { | |
var selected = document.querySelector(el); | |
if (!selected) { | |
"development" !== 'production' && warn( | |
'Cannot find element: ' + el | |
); | |
return document.createElement('div') | |
} | |
return selected | |
} else { | |
return el | |
} | |
} | |
/* */ | |
function createElement$1 (tagName, vnode) { | |
var elm = document.createElement(tagName); | |
if (tagName !== 'select') { | |
return elm | |
} | |
// false or null will remove the attribute but undefined will not | |
if (vnode.data && vnode.data.attrs && vnode.data.attrs.multiple !== undefined) { | |
elm.setAttribute('multiple', 'multiple'); | |
} | |
return elm | |
} | |
function createElementNS (namespace, tagName) { | |
return document.createElementNS(namespaceMap[namespace], tagName) | |
} | |
function createTextNode (text) { | |
return document.createTextNode(text) | |
} | |
function createComment (text) { | |
return document.createComment(text) | |
} | |
function insertBefore (parentNode, newNode, referenceNode) { | |
parentNode.insertBefore(newNode, referenceNode); | |
} | |
function removeChild (node, child) { | |
node.removeChild(child); | |
} | |
function appendChild (node, child) { | |
node.appendChild(child); | |
} | |
function parentNode (node) { | |
return node.parentNode | |
} | |
function nextSibling (node) { | |
return node.nextSibling | |
} | |
function tagName (node) { | |
return node.tagName | |
} | |
function setTextContent (node, text) { | |
node.textContent = text; | |
} | |
function setAttribute (node, key, val) { | |
node.setAttribute(key, val); | |
} | |
var nodeOps = Object.freeze({ | |
createElement: createElement$1, | |
createElementNS: createElementNS, | |
createTextNode: createTextNode, | |
createComment: createComment, | |
insertBefore: insertBefore, | |
removeChild: removeChild, | |
appendChild: appendChild, | |
parentNode: parentNode, | |
nextSibling: nextSibling, | |
tagName: tagName, | |
setTextContent: setTextContent, | |
setAttribute: setAttribute | |
}); | |
/* */ | |
var ref = { | |
create: function create (_, vnode) { | |
registerRef(vnode); | |
}, | |
update: function update (oldVnode, vnode) { | |
if (oldVnode.data.ref !== vnode.data.ref) { | |
registerRef(oldVnode, true); | |
registerRef(vnode); | |
} | |
}, | |
destroy: function destroy (vnode) { | |
registerRef(vnode, true); | |
} | |
}; | |
function registerRef (vnode, isRemoval) { | |
var key = vnode.data.ref; | |
if (!key) { return } | |
var vm = vnode.context; | |
var ref = vnode.componentInstance || vnode.elm; | |
var refs = vm.$refs; | |
if (isRemoval) { | |
if (Array.isArray(refs[key])) { | |
remove(refs[key], ref); | |
} else if (refs[key] === ref) { | |
refs[key] = undefined; | |
} | |
} else { | |
if (vnode.data.refInFor) { | |
if (Array.isArray(refs[key]) && refs[key].indexOf(ref) < 0) { | |
refs[key].push(ref); | |
} else { | |
refs[key] = [ref]; | |
} | |
} else { | |
refs[key] = ref; | |
} | |
} | |
} | |
/** | |
* Virtual DOM patching algorithm based on Snabbdom by | |
* Simon Friis Vindum (@paldepind) | |
* Licensed under the MIT License | |
* https://github.com/paldepind/snabbdom/blob/master/LICENSE | |
* | |
* modified by Evan You (@yyx990803) | |
* | |
/* | |
* Not type-checking this because this file is perf-critical and the cost | |
* of making flow understand it is not worth it. | |
*/ | |
var emptyNode = new VNode('', {}, []); | |
var hooks = ['create', 'activate', 'update', 'remove', 'destroy']; | |
function sameVnode (a, b) { | |
return ( | |
a.key === b.key && | |
a.tag === b.tag && | |
a.isComment === b.isComment && | |
isDef(a.data) === isDef(b.data) && | |
sameInputType(a, b) | |
) | |
} | |
// Some browsers do not support dynamically changing type for <input> | |
// so they need to be treated as different nodes | |
function sameInputType (a, b) { | |
if (a.tag !== 'input') { return true } | |
var i; | |
var typeA = isDef(i = a.data) && isDef(i = i.attrs) && i.type; | |
var typeB = isDef(i = b.data) && isDef(i = i.attrs) && i.type; | |
return typeA === typeB | |
} | |
function createKeyToOldIdx (children, beginIdx, endIdx) { | |
var i, key; | |
var map = {}; | |
for (i = beginIdx; i <= endIdx; ++i) { | |
key = children[i].key; | |
if (isDef(key)) { map[key] = i; } | |
} | |
return map | |
} | |
function createPatchFunction (backend) { | |
var i, j; | |
var cbs = {}; | |
var modules = backend.modules; | |
var nodeOps = backend.nodeOps; | |
for (i = 0; i < hooks.length; ++i) { | |
cbs[hooks[i]] = []; | |
for (j = 0; j < modules.length; ++j) { | |
if (isDef(modules[j][hooks[i]])) { | |
cbs[hooks[i]].push(modules[j][hooks[i]]); | |
} | |
} | |
} | |
function emptyNodeAt (elm) { | |
return new VNode(nodeOps.tagName(elm).toLowerCase(), {}, [], undefined, elm) | |
} | |
function createRmCb (childElm, listeners) { | |
function remove$$1 () { | |
if (--remove$$1.listeners === 0) { | |
removeNode(childElm); | |
} | |
} | |
remove$$1.listeners = listeners; | |
return remove$$1 | |
} | |
function removeNode (el) { | |
var parent = nodeOps.parentNode(el); | |
// element may have already been removed due to v-html / v-text | |
if (isDef(parent)) { | |
nodeOps.removeChild(parent, el); | |
} | |
} | |
var inPre = 0; | |
function createElm (vnode, insertedVnodeQueue, parentElm, refElm, nested) { | |
vnode.isRootInsert = !nested; // for transition enter check | |
if (createComponent(vnode, insertedVnodeQueue, parentElm, refElm)) { | |
return | |
} | |
var data = vnode.data; | |
var children = vnode.children; | |
var tag = vnode.tag; | |
if (isDef(tag)) { | |
{ | |
if (data && data.pre) { | |
inPre++; | |
} | |
if ( | |
!inPre && | |
!vnode.ns && | |
!(config.ignoredElements.length && config.ignoredElements.indexOf(tag) > -1) && | |
config.isUnknownElement(tag) | |
) { | |
warn( | |
'Unknown custom element: <' + tag + '> - did you ' + | |
'register the component correctly? For recursive components, ' + | |
'make sure to provide the "name" option.', | |
vnode.context | |
); | |
} | |
} | |
vnode.elm = vnode.ns | |
? nodeOps.createElementNS(vnode.ns, tag) | |
: nodeOps.createElement(tag, vnode); | |
setScope(vnode); | |
/* istanbul ignore if */ | |
{ | |
createChildren(vnode, children, insertedVnodeQueue); | |
if (isDef(data)) { | |
invokeCreateHooks(vnode, insertedVnodeQueue); | |
} | |
insert(parentElm, vnode.elm, refElm); | |
} | |
if ("development" !== 'production' && data && data.pre) { | |
inPre--; | |
} | |
} else if (isTrue(vnode.isComment)) { | |
vnode.elm = nodeOps.createComment(vnode.text); | |
insert(parentElm, vnode.elm, refElm); | |
} else { | |
vnode.elm = nodeOps.createTextNode(vnode.text); | |
insert(parentElm, vnode.elm, refElm); | |
} | |
} | |
function createComponent (vnode, insertedVnodeQueue, parentElm, refElm) { | |
var i = vnode.data; | |
if (isDef(i)) { | |
var isReactivated = isDef(vnode.componentInstance) && i.keepAlive; | |
if (isDef(i = i.hook) && isDef(i = i.init)) { | |
i(vnode, false /* hydrating */, parentElm, refElm); | |
} | |
// after calling the init hook, if the vnode is a child component | |
// it should've created a child instance and mounted it. the child | |
// component also has set the placeholder vnode's elm. | |
// in that case we can just return the element and be done. | |
if (isDef(vnode.componentInstance)) { | |
initComponent(vnode, insertedVnodeQueue); | |
if (isTrue(isReactivated)) { | |
reactivateComponent(vnode, insertedVnodeQueue, parentElm, refElm); | |
} | |
return true | |
} | |
} | |
} | |
function initComponent (vnode, insertedVnodeQueue) { | |
if (isDef(vnode.data.pendingInsert)) { | |
insertedVnodeQueue.push.apply(insertedVnodeQueue, vnode.data.pendingInsert); | |
vnode.data.pendingInsert = null; | |
} | |
vnode.elm = vnode.componentInstance.$el; | |
if (isPatchable(vnode)) { | |
invokeCreateHooks(vnode, insertedVnodeQueue); | |
setScope(vnode); | |
} else { | |
// empty component root. | |
// skip all element-related modules except for ref (#3455) | |
registerRef(vnode); | |
// make sure to invoke the insert hook | |
insertedVnodeQueue.push(vnode); | |
} | |
} | |
function reactivateComponent (vnode, insertedVnodeQueue, parentElm, refElm) { | |
var i; | |
// hack for #4339: a reactivated component with inner transition | |
// does not trigger because the inner node's created hooks are not called | |
// again. It's not ideal to involve module-specific logic in here but | |
// there doesn't seem to be a better way to do it. | |
var innerNode = vnode; | |
while (innerNode.componentInstance) { | |
innerNode = innerNode.componentInstance._vnode; | |
if (isDef(i = innerNode.data) && isDef(i = i.transition)) { | |
for (i = 0; i < cbs.activate.length; ++i) { | |
cbs.activate[i](emptyNode, innerNode); | |
} | |
insertedVnodeQueue.push(innerNode); | |
break | |
} | |
} | |
// unlike a newly created component, | |
// a reactivated keep-alive component doesn't insert itself | |
insert(parentElm, vnode.elm, refElm); | |
} | |
function insert (parent, elm, ref) { | |
if (isDef(parent)) { | |
if (isDef(ref)) { | |
if (ref.parentNode === parent) { | |
nodeOps.insertBefore(parent, elm, ref); | |
} | |
} else { | |
nodeOps.appendChild(parent, elm); | |
} | |
} | |
} | |
function createChildren (vnode, children, insertedVnodeQueue) { | |
if (Array.isArray(children)) { | |
for (var i = 0; i < children.length; ++i) { | |
createElm(children[i], insertedVnodeQueue, vnode.elm, null, true); | |
} | |
} else if (isPrimitive(vnode.text)) { | |
nodeOps.appendChild(vnode.elm, nodeOps.createTextNode(vnode.text)); | |
} | |
} | |
function isPatchable (vnode) { | |
while (vnode.componentInstance) { | |
vnode = vnode.componentInstance._vnode; | |
} | |
return isDef(vnode.tag) | |
} | |
function invokeCreateHooks (vnode, insertedVnodeQueue) { | |
for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) { | |
cbs.create[i$1](emptyNode, vnode); | |
} | |
i = vnode.data.hook; // Reuse variable | |
if (isDef(i)) { | |
if (isDef(i.create)) { i.create(emptyNode, vnode); } | |
if (isDef(i.insert)) { insertedVnodeQueue.push(vnode); } | |
} | |
} | |
// set scope id attribute for scoped CSS. | |
// this is implemented as a special case to avoid the overhead | |
// of going through the normal attribute patching process. | |
function setScope (vnode) { | |
var i; | |
var ancestor = vnode; | |
while (ancestor) { | |
if (isDef(i = ancestor.context) && isDef(i = i.$options._scopeId)) { | |
nodeOps.setAttribute(vnode.elm, i, ''); | |
} | |
ancestor = ancestor.parent; | |
} | |
// for slot content they should also get the scopeId from the host instance. | |
if (isDef(i = activeInstance) && | |
i !== vnode.context && | |
isDef(i = i.$options._scopeId) | |
) { | |
nodeOps.setAttribute(vnode.elm, i, ''); | |
} | |
} | |
function addVnodes (parentElm, refElm, vnodes, startIdx, endIdx, insertedVnodeQueue) { | |
for (; startIdx <= endIdx; ++startIdx) { | |
createElm(vnodes[startIdx], insertedVnodeQueue, parentElm, refElm); | |
} | |
} | |
function invokeDestroyHook (vnode) { | |
var i, j; | |
var data = vnode.data; | |
if (isDef(data)) { | |
if (isDef(i = data.hook) && isDef(i = i.destroy)) { i(vnode); } | |
for (i = 0; i < cbs.destroy.length; ++i) { cbs.destroy[i](vnode); } | |
} | |
if (isDef(i = vnode.children)) { | |
for (j = 0; j < vnode.children.length; ++j) { | |
invokeDestroyHook(vnode.children[j]); | |
} | |
} | |
} | |
function removeVnodes (parentElm, vnodes, startIdx, endIdx) { | |
for (; startIdx <= endIdx; ++startIdx) { | |
var ch = vnodes[startIdx]; | |
if (isDef(ch)) { | |
if (isDef(ch.tag)) { | |
removeAndInvokeRemoveHook(ch); | |
invokeDestroyHook(ch); | |
} else { // Text node | |
removeNode(ch.elm); | |
} | |
} | |
} | |
} | |
function removeAndInvokeRemoveHook (vnode, rm) { | |
if (isDef(rm) || isDef(vnode.data)) { | |
var i; | |
var listeners = cbs.remove.length + 1; | |
if (isDef(rm)) { | |
// we have a recursively passed down rm callback | |
// increase the listeners count | |
rm.listeners += listeners; | |
} else { | |
// directly removing | |
rm = createRmCb(vnode.elm, listeners); | |
} | |
// recursively invoke hooks on child component root node | |
if (isDef(i = vnode.componentInstance) && isDef(i = i._vnode) && isDef(i.data)) { | |
removeAndInvokeRemoveHook(i, rm); | |
} | |
for (i = 0; i < cbs.remove.length; ++i) { | |
cbs.remove[i](vnode, rm); | |
} | |
if (isDef(i = vnode.data.hook) && isDef(i = i.remove)) { | |
i(vnode, rm); | |
} else { | |
rm(); | |
} | |
} else { | |
removeNode(vnode.elm); | |
} | |
} | |
function updateChildren (parentElm, oldCh, newCh, insertedVnodeQueue, removeOnly) { | |
var oldStartIdx = 0; | |
var newStartIdx = 0; | |
var oldEndIdx = oldCh.length - 1; | |
var oldStartVnode = oldCh[0]; | |
var oldEndVnode = oldCh[oldEndIdx]; | |
var newEndIdx = newCh.length - 1; | |
var newStartVnode = newCh[0]; | |
var newEndVnode = newCh[newEndIdx]; | |
var oldKeyToIdx, idxInOld, elmToMove, refElm; | |
// removeOnly is a special flag used only by <transition-group> | |
// to ensure removed elements stay in correct relative positions | |
// during leaving transitions | |
var canMove = !removeOnly; | |
while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) { | |
if (isUndef(oldStartVnode)) { | |
oldStartVnode = oldCh[++oldStartIdx]; // Vnode has been moved left | |
} else if (isUndef(oldEndVnode)) { | |
oldEndVnode = oldCh[--oldEndIdx]; | |
} else if (sameVnode(oldStartVnode, newStartVnode)) { | |
patchVnode(oldStartVnode, newStartVnode, insertedVnodeQueue); | |
oldStartVnode = oldCh[++oldStartIdx]; | |
newStartVnode = newCh[++newStartIdx]; | |
} else if (sameVnode(oldEndVnode, newEndVnode)) { | |
patchVnode(oldEndVnode, newEndVnode, insertedVnodeQueue); | |
oldEndVnode = oldCh[--oldEndIdx]; | |
newEndVnode = newCh[--newEndIdx]; | |
} else if (sameVnode(oldStartVnode, newEndVnode)) { // Vnode moved right | |
patchVnode(oldStartVnode, newEndVnode, insertedVnodeQueue); | |
canMove && nodeOps.insertBefore(parentElm, oldStartVnode.elm, nodeOps.nextSibling(oldEndVnode.elm)); | |
oldStartVnode = oldCh[++oldStartIdx]; | |
newEndVnode = newCh[--newEndIdx]; | |
} else if (sameVnode(oldEndVnode, newStartVnode)) { // Vnode moved left | |
patchVnode(oldEndVnode, newStartVnode, insertedVnodeQueue); | |
canMove && nodeOps.insertBefore(parentElm, oldEndVnode.elm, oldStartVnode.elm); | |
oldEndVnode = oldCh[--oldEndIdx]; | |
newStartVnode = newCh[++newStartIdx]; | |
} else { | |
if (isUndef(oldKeyToIdx)) { oldKeyToIdx = createKeyToOldIdx(oldCh, oldStartIdx, oldEndIdx); } | |
idxInOld = isDef(newStartVnode.key) ? oldKeyToIdx[newStartVnode.key] : null; | |
if (isUndef(idxInOld)) { // New element | |
createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm); | |
newStartVnode = newCh[++newStartIdx]; | |
} else { | |
elmToMove = oldCh[idxInOld]; | |
/* istanbul ignore if */ | |
if ("development" !== 'production' && !elmToMove) { | |
warn( | |
'It seems there are duplicate keys that is causing an update error. ' + | |
'Make sure each v-for item has a unique key.' | |
); | |
} | |
if (sameVnode(elmToMove, newStartVnode)) { | |
patchVnode(elmToMove, newStartVnode, insertedVnodeQueue); | |
oldCh[idxInOld] = undefined; | |
canMove && nodeOps.insertBefore(parentElm, newStartVnode.elm, oldStartVnode.elm); | |
newStartVnode = newCh[++newStartIdx]; | |
} else { | |
// same key but different element. treat as new element | |
createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm); | |
newStartVnode = newCh[++newStartIdx]; | |
} | |
} | |
} | |
} | |
if (oldStartIdx > oldEndIdx) { | |
refElm = isUndef(newCh[newEndIdx + 1]) ? null : newCh[newEndIdx + 1].elm; | |
addVnodes(parentElm, refElm, newCh, newStartIdx, newEndIdx, insertedVnodeQueue); | |
} else if (newStartIdx > newEndIdx) { | |
removeVnodes(parentElm, oldCh, oldStartIdx, oldEndIdx); | |
} | |
} | |
function patchVnode (oldVnode, vnode, insertedVnodeQueue, removeOnly) { | |
if (oldVnode === vnode) { | |
return | |
} | |
// reuse element for static trees. | |
// note we only do this if the vnode is cloned - | |
// if the new node is not cloned it means the render functions have been | |
// reset by the hot-reload-api and we need to do a proper re-render. | |
if (isTrue(vnode.isStatic) && | |
isTrue(oldVnode.isStatic) && | |
vnode.key === oldVnode.key && | |
(isTrue(vnode.isCloned) || isTrue(vnode.isOnce)) | |
) { | |
vnode.elm = oldVnode.elm; | |
vnode.componentInstance = oldVnode.componentInstance; | |
return | |
} | |
var i; | |
var data = vnode.data; | |
if (isDef(data) && isDef(i = data.hook) && isDef(i = i.prepatch)) { | |
i(oldVnode, vnode); | |
} | |
var elm = vnode.elm = oldVnode.elm; | |
var oldCh = oldVnode.children; | |
var ch = vnode.children; | |
if (isDef(data) && isPatchable(vnode)) { | |
for (i = 0; i < cbs.update.length; ++i) { cbs.update[i](oldVnode, vnode); } | |
if (isDef(i = data.hook) && isDef(i = i.update)) { i(oldVnode, vnode); } | |
} | |
if (isUndef(vnode.text)) { | |
if (isDef(oldCh) && isDef(ch)) { | |
if (oldCh !== ch) { updateChildren(elm, oldCh, ch, insertedVnodeQueue, removeOnly); } | |
} else if (isDef(ch)) { | |
if (isDef(oldVnode.text)) { nodeOps.setTextContent(elm, ''); } | |
addVnodes(elm, null, ch, 0, ch.length - 1, insertedVnodeQueue); | |
} else if (isDef(oldCh)) { | |
removeVnodes(elm, oldCh, 0, oldCh.length - 1); | |
} else if (isDef(oldVnode.text)) { | |
nodeOps.setTextContent(elm, ''); | |
} | |
} else if (oldVnode.text !== vnode.text) { | |
nodeOps.setTextContent(elm, vnode.text); | |
} | |
if (isDef(data)) { | |
if (isDef(i = data.hook) && isDef(i = i.postpatch)) { i(oldVnode, vnode); } | |
} | |
} | |
function invokeInsertHook (vnode, queue, initial) { | |
// delay insert hooks for component root nodes, invoke them after the | |
// element is really inserted | |
if (isTrue(initial) && isDef(vnode.parent)) { | |
vnode.parent.data.pendingInsert = queue; | |
} else { | |
for (var i = 0; i < queue.length; ++i) { | |
queue[i].data.hook.insert(queue[i]); | |
} | |
} | |
} | |
var bailed = false; | |
// list of modules that can skip create hook during hydration because they | |
// are already rendered on the client or has no need for initialization | |
var isRenderedModule = makeMap('attrs,style,class,staticClass,staticStyle,key'); | |
// Note: this is a browser-only function so we can assume elms are DOM nodes. | |
function hydrate (elm, vnode, insertedVnodeQueue) { | |
{ | |
if (!assertNodeMatch(elm, vnode)) { | |
return false | |
} | |
} | |
vnode.elm = elm; | |
var tag = vnode.tag; | |
var data = vnode.data; | |
var children = vnode.children; | |
if (isDef(data)) { | |
if (isDef(i = data.hook) && isDef(i = i.init)) { i(vnode, true /* hydrating */); } | |
if (isDef(i = vnode.componentInstance)) { | |
// child component. it should have hydrated its own tree. | |
initComponent(vnode, insertedVnodeQueue); | |
return true | |
} | |
} | |
if (isDef(tag)) { | |
if (isDef(children)) { | |
// empty element, allow client to pick up and populate children | |
if (!elm.hasChildNodes()) { | |
createChildren(vnode, children, insertedVnodeQueue); | |
} else { | |
var childrenMatch = true; | |
var childNode = elm.firstChild; | |
for (var i$1 = 0; i$1 < children.length; i$1++) { | |
if (!childNode || !hydrate(childNode, children[i$1], insertedVnodeQueue)) { | |
childrenMatch = false; | |
break | |
} | |
childNode = childNode.nextSibling; | |
} | |
// if childNode is not null, it means the actual childNodes list is | |
// longer than the virtual children list. | |
if (!childrenMatch || childNode) { | |
if ("development" !== 'production' && | |
typeof console !== 'undefined' && | |
!bailed | |
) { | |
bailed = true; | |
console.warn('Parent: ', elm); | |
console.warn('Mismatching childNodes vs. VNodes: ', elm.childNodes, children); | |
} | |
return false | |
} | |
} | |
} | |
if (isDef(data)) { | |
for (var key in data) { | |
if (!isRenderedModule(key)) { | |
invokeCreateHooks(vnode, insertedVnodeQueue); | |
break | |
} | |
} | |
} | |
} else if (elm.data !== vnode.text) { | |
elm.data = vnode.text; | |
} | |
return true | |
} | |
function assertNodeMatch (node, vnode) { | |
if (isDef(vnode.tag)) { | |
return ( | |
vnode.tag.indexOf('vue-component') === 0 || | |
vnode.tag.toLowerCase() === (node.tagName && node.tagName.toLowerCase()) | |
) | |
} else { | |
return node.nodeType === (vnode.isComment ? 8 : 3) | |
} | |
} | |
return function patch (oldVnode, vnode, hydrating, removeOnly, parentElm, refElm) { | |
if (isUndef(vnode)) { | |
if (isDef(oldVnode)) { invokeDestroyHook(oldVnode); } | |
return | |
} | |
var isInitialPatch = false; | |
var insertedVnodeQueue = []; | |
if (isUndef(oldVnode)) { | |
// empty mount (likely as component), create new root element | |
isInitialPatch = true; | |
createElm(vnode, insertedVnodeQueue, parentElm, refElm); | |
} else { | |
var isRealElement = isDef(oldVnode.nodeType); | |
if (!isRealElement && sameVnode(oldVnode, vnode)) { | |
// patch existing root node | |
patchVnode(oldVnode, vnode, insertedVnodeQueue, removeOnly); | |
} else { | |
if (isRealElement) { | |
// mounting to a real element | |
// check if this is server-rendered content and if we can perform | |
// a successful hydration. | |
if (oldVnode.nodeType === 1 && oldVnode.hasAttribute(SSR_ATTR)) { | |
oldVnode.removeAttribute(SSR_ATTR); | |
hydrating = true; | |
} | |
if (isTrue(hydrating)) { | |
if (hydrate(oldVnode, vnode, insertedVnodeQueue)) { | |
invokeInsertHook(vnode, insertedVnodeQueue, true); | |
return oldVnode | |
} else { | |
warn( | |
'The client-side rendered virtual DOM tree is not matching ' + | |
'server-rendered content. This is likely caused by incorrect ' + | |
'HTML markup, for example nesting block-level elements inside ' + | |
'<p>, or missing <tbody>. Bailing hydration and performing ' + | |
'full client-side render.' | |
); | |
} | |
} | |
// either not server-rendered, or hydration failed. | |
// create an empty node and replace it | |
oldVnode = emptyNodeAt(oldVnode); | |
} | |
// replacing existing element | |
var oldElm = oldVnode.elm; | |
var parentElm$1 = nodeOps.parentNode(oldElm); | |
createElm( | |
vnode, | |
insertedVnodeQueue, | |
// extremely rare edge case: do not insert if old element is in a | |
// leaving transition. Only happens when combining transition + | |
// keep-alive + HOCs. (#4590) | |
oldElm._leaveCb ? null : parentElm$1, | |
nodeOps.nextSibling(oldElm) | |
); | |
if (isDef(vnode.parent)) { | |
// component root element replaced. | |
// update parent placeholder node element, recursively | |
var ancestor = vnode.parent; | |
while (ancestor) { | |
ancestor.elm = vnode.elm; | |
ancestor = ancestor.parent; | |
} | |
if (isPatchable(vnode)) { | |
for (var i = 0; i < cbs.create.length; ++i) { | |
cbs.create[i](emptyNode, vnode.parent); | |
} | |
} | |
} | |
if (isDef(parentElm$1)) { | |
removeVnodes(parentElm$1, [oldVnode], 0, 0); | |
} else if (isDef(oldVnode.tag)) { | |
invokeDestroyHook(oldVnode); | |
} | |
} | |
} | |
invokeInsertHook(vnode, insertedVnodeQueue, isInitialPatch); | |
return vnode.elm | |
} | |
} | |
/* */ | |
var directives = { | |
create: updateDirectives, | |
update: updateDirectives, | |
destroy: function unbindDirectives (vnode) { | |
updateDirectives(vnode, emptyNode); | |
} | |
}; | |
function updateDirectives (oldVnode, vnode) { | |
if (oldVnode.data.directives || vnode.data.directives) { | |
_update(oldVnode, vnode); | |
} | |
} | |
function _update (oldVnode, vnode) { | |
var isCreate = oldVnode === emptyNode; | |
var isDestroy = vnode === emptyNode; | |
var oldDirs = normalizeDirectives$1(oldVnode.data.directives, oldVnode.context); | |
var newDirs = normalizeDirectives$1(vnode.data.directives, vnode.context); | |
var dirsWithInsert = []; | |
var dirsWithPostpatch = []; | |
var key, oldDir, dir; | |
for (key in newDirs) { | |
oldDir = oldDirs[key]; | |
dir = newDirs[key]; | |
if (!oldDir) { | |
// new directive, bind | |
callHook$1(dir, 'bind', vnode, oldVnode); | |
if (dir.def && dir.def.inserted) { | |
dirsWithInsert.push(dir); | |
} | |
} else { | |
// existing directive, update | |
dir.oldValue = oldDir.value; | |
callHook$1(dir, 'update', vnode, oldVnode); | |
if (dir.def && dir.def.componentUpdated) { | |
dirsWithPostpatch.push(dir); | |
} | |
} | |
} | |
if (dirsWithInsert.length) { | |
var callInsert = function () { | |
for (var i = 0; i < dirsWithInsert.length; i++) { | |
callHook$1(dirsWithInsert[i], 'inserted', vnode, oldVnode); | |
} | |
}; | |
if (isCreate) { | |
mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), 'insert', callInsert); | |
} else { | |
callInsert(); | |
} | |
} | |
if (dirsWithPostpatch.length) { | |
mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), 'postpatch', function () { | |
for (var i = 0; i < dirsWithPostpatch.length; i++) { | |
callHook$1(dirsWithPostpatch[i], 'componentUpdated', vnode, oldVnode); | |
} | |
}); | |
} | |
if (!isCreate) { | |
for (key in oldDirs) { | |
if (!newDirs[key]) { | |
// no longer present, unbind | |
callHook$1(oldDirs[key], 'unbind', oldVnode, oldVnode, isDestroy); | |
} | |
} | |
} | |
} | |
var emptyModifiers = Object.create(null); | |
function normalizeDirectives$1 ( | |
dirs, | |
vm | |
) { | |
var res = Object.create(null); | |
if (!dirs) { | |
return res | |
} | |
var i, dir; | |
for (i = 0; i < dirs.length; i++) { | |
dir = dirs[i]; | |
if (!dir.modifiers) { | |
dir.modifiers = emptyModifiers; | |
} | |
res[getRawDirName(dir)] = dir; | |
dir.def = resolveAsset(vm.$options, 'directives', dir.name, true); | |
} | |
return res | |
} | |
function getRawDirName (dir) { | |
return dir.rawName || ((dir.name) + "." + (Object.keys(dir.modifiers || {}).join('.'))) | |
} | |
function callHook$1 (dir, hook, vnode, oldVnode, isDestroy) { | |
var fn = dir.def && dir.def[hook]; | |
if (fn) { | |
try { | |
fn(vnode.elm, dir, vnode, oldVnode, isDestroy); | |
} catch (e) { | |
handleError(e, vnode.context, ("directive " + (dir.name) + " " + hook + " hook")); | |
} | |
} | |
} | |
var baseModules = [ | |
ref, | |
directives | |
]; | |
/* */ | |
function updateAttrs (oldVnode, vnode) { | |
if (isUndef(oldVnode.data.attrs) && isUndef(vnode.data.attrs)) { | |
return | |
} | |
var key, cur, old; | |
var elm = vnode.elm; | |
var oldAttrs = oldVnode.data.attrs || {}; | |
var attrs = vnode.data.attrs || {}; | |
// clone observed objects, as the user probably wants to mutate it | |
if (isDef(attrs.__ob__)) { | |
attrs = vnode.data.attrs = extend({}, attrs); | |
} | |
for (key in attrs) { | |
cur = attrs[key]; | |
old = oldAttrs[key]; | |
if (old !== cur) { | |
setAttr(elm, key, cur); | |
} | |
} | |
// #4391: in IE9, setting type can reset value for input[type=radio] | |
/* istanbul ignore if */ | |
if (isIE9 && attrs.value !== oldAttrs.value) { | |
setAttr(elm, 'value', attrs.value); | |
} | |
for (key in oldAttrs) { | |
if (isUndef(attrs[key])) { | |
if (isXlink(key)) { | |
elm.removeAttributeNS(xlinkNS, getXlinkProp(key)); | |
} else if (!isEnumeratedAttr(key)) { | |
elm.removeAttribute(key); | |
} | |
} | |
} | |
} | |
function setAttr (el, key, value) { | |
if (isBooleanAttr(key)) { | |
// set attribute for blank value | |
// e.g. <option disabled>Select one</option> | |
if (isFalsyAttrValue(value)) { | |
el.removeAttribute(key); | |
} else { | |
el.setAttribute(key, key); | |
} | |
} else if (isEnumeratedAttr(key)) { | |
el.setAttribute(key, isFalsyAttrValue(value) || value === 'false' ? 'false' : 'true'); | |
} else if (isXlink(key)) { | |
if (isFalsyAttrValue(value)) { | |
el.removeAttributeNS(xlinkNS, getXlinkProp(key)); | |
} else { | |
el.setAttributeNS(xlinkNS, key, value); | |
} | |
} else { | |
if (isFalsyAttrValue(value)) { | |
el.removeAttribute(key); | |
} else { | |
el.setAttribute(key, value); | |
} | |
} | |
} | |
var attrs = { | |
create: updateAttrs, | |
update: updateAttrs | |
}; | |
/* */ | |
function updateClass (oldVnode, vnode) { | |
var el = vnode.elm; | |
var data = vnode.data; | |
var oldData = oldVnode.data; | |
if ( | |
isUndef(data.staticClass) && | |
isUndef(data.class) && ( | |
isUndef(oldData) || ( | |
isUndef(oldData.staticClass) && | |
isUndef(oldData.class) | |
) | |
) | |
) { | |
return | |
} | |
var cls = genClassForVnode(vnode); | |
// handle transition classes | |
var transitionClass = el._transitionClasses; | |
if (isDef(transitionClass)) { | |
cls = concat(cls, stringifyClass(transitionClass)); | |
} | |
// set the class | |
if (cls !== el._prevClass) { | |
el.setAttribute('class', cls); | |
el._prevClass = cls; | |
} | |
} | |
var klass = { | |
create: updateClass, | |
update: updateClass | |
}; | |
/* */ | |
var validDivisionCharRE = /[\w).+\-_$\]]/; | |
function parseFilters (exp) { | |
var inSingle = false; | |
var inDouble = false; | |
var inTemplateString = false; | |
var inRegex = false; | |
var curly = 0; | |
var square = 0; | |
var paren = 0; | |
var lastFilterIndex = 0; | |
var c, prev, i, expression, filters; | |
for (i = 0; i < exp.length; i++) { | |
prev = c; | |
c = exp.charCodeAt(i); | |
if (inSingle) { | |
if (c === 0x27 && prev !== 0x5C) { inSingle = false; } | |
} else if (inDouble) { | |
if (c === 0x22 && prev !== 0x5C) { inDouble = false; } | |
} else if (inTemplateString) { | |
if (c === 0x60 && prev !== 0x5C) { inTemplateString = false; } | |
} else if (inRegex) { | |
if (c === 0x2f && prev !== 0x5C) { inRegex = false; } | |
} else if ( | |
c === 0x7C && // pipe | |
exp.charCodeAt(i + 1) !== 0x7C && | |
exp.charCodeAt(i - 1) !== 0x7C && | |
!curly && !square && !paren | |
) { | |
if (expression === undefined) { | |
// first filter, end of expression | |
lastFilterIndex = i + 1; | |
expression = exp.slice(0, i).trim(); | |
} else { | |
pushFilter(); | |
} | |
} else { | |
switch (c) { | |
case 0x22: inDouble = true; break // " | |
case 0x27: inSingle = true; break // ' | |
case 0x60: inTemplateString = true; break // ` | |
case 0x28: paren++; break // ( | |
case 0x29: paren--; break // ) | |
case 0x5B: square++; break // [ | |
case 0x5D: square--; break // ] | |
case 0x7B: curly++; break // { | |
case 0x7D: curly--; break // } | |
} | |
if (c === 0x2f) { // / | |
var j = i - 1; | |
var p = (void 0); | |
// find first non-whitespace prev char | |
for (; j >= 0; j--) { | |
p = exp.charAt(j); | |
if (p !== ' ') { break } | |
} | |
if (!p || !validDivisionCharRE.test(p)) { | |
inRegex = true; | |
} | |
} | |
} | |
} | |
if (expression === undefined) { | |
expression = exp.slice(0, i).trim(); | |
} else if (lastFilterIndex !== 0) { | |
pushFilter(); | |
} | |
function pushFilter () { | |
(filters || (filters = [])).push(exp.slice(lastFilterIndex, i).trim()); | |
lastFilterIndex = i + 1; | |
} | |
if (filters) { | |
for (i = 0; i < filters.length; i++) { | |
expression = wrapFilter(expression, filters[i]); | |
} | |
} | |
return expression | |
} | |
function wrapFilter (exp, filter) { | |
var i = filter.indexOf('('); | |
if (i < 0) { | |
// _f: resolveFilter | |
return ("_f(\"" + filter + "\")(" + exp + ")") | |
} else { | |
var name = filter.slice(0, i); | |
var args = filter.slice(i + 1); | |
return ("_f(\"" + name + "\")(" + exp + "," + args) | |
} | |
} | |
/* */ | |
function baseWarn (msg) { | |
console.error(("[Vue compiler]: " + msg)); | |
} | |
function pluckModuleFunction ( | |
modules, | |
key | |
) { | |
return modules | |
? modules.map(function (m) { return m[key]; }).filter(function (_) { return _; }) | |
: [] | |
} | |
function addProp (el, name, value) { | |
(el.props || (el.props = [])).push({ name: name, value: value }); | |
} | |
function addAttr (el, name, value) { | |
(el.attrs || (el.attrs = [])).push({ name: name, value: value }); | |
} | |
function addDirective ( | |
el, | |
name, | |
rawName, | |
value, | |
arg, | |
modifiers | |
) { | |
(el.directives || (el.directives = [])).push({ name: name, rawName: rawName, value: value, arg: arg, modifiers: modifiers }); | |
} | |
function addHandler ( | |
el, | |
name, | |
value, | |
modifiers, | |
important, | |
warn | |
) { | |
// warn prevent and passive modifier | |
/* istanbul ignore if */ | |
if ( | |
"development" !== 'production' && warn && | |
modifiers && modifiers.prevent && modifiers.passive | |
) { | |
warn( | |
'passive and prevent can\'t be used together. ' + | |
'Passive handler can\'t prevent default event.' | |
); | |
} | |
// check capture modifier | |
if (modifiers && modifiers.capture) { | |
delete modifiers.capture; | |
name = '!' + name; // mark the event as captured | |
} | |
if (modifiers && modifiers.once) { | |
delete modifiers.once; | |
name = '~' + name; // mark the event as once | |
} | |
/* istanbul ignore if */ | |
if (modifiers && modifiers.passive) { | |
delete modifiers.passive; | |
name = '&' + name; // mark the event as passive | |
} | |
var events; | |
if (modifiers && modifiers.native) { | |
delete modifiers.native; | |
events = el.nativeEvents || (el.nativeEvents = {}); | |
} else { | |
events = el.events || (el.events = {}); | |
} | |
var newHandler = { value: value, modifiers: modifiers }; | |
var handlers = events[name]; | |
/* istanbul ignore if */ | |
if (Array.isArray(handlers)) { | |
important ? handlers.unshift(newHandler) : handlers.push(newHandler); | |
} else if (handlers) { | |
events[name] = important ? [newHandler, handlers] : [handlers, newHandler]; | |
} else { | |
events[name] = newHandler; | |
} | |
} | |
function getBindingAttr ( | |
el, | |
name, | |
getStatic | |
) { | |
var dynamicValue = | |
getAndRemoveAttr(el, ':' + name) || | |
getAndRemoveAttr(el, 'v-bind:' + name); | |
if (dynamicValue != null) { | |
return parseFilters(dynamicValue) | |
} else if (getStatic !== false) { | |
var staticValue = getAndRemoveAttr(el, name); | |
if (staticValue != null) { | |
return JSON.stringify(staticValue) | |
} | |
} | |
} | |
function getAndRemoveAttr (el, name) { | |
var val; | |
if ((val = el.attrsMap[name]) != null) { | |
var list = el.attrsList; | |
for (var i = 0, l = list.length; i < l; i++) { | |
if (list[i].name === name) { | |
list.splice(i, 1); | |
break | |
} | |
} | |
} | |
return val | |
} | |
/* */ | |
/** | |
* Cross-platform code generation for component v-model | |
*/ | |
function genComponentModel ( | |
el, | |
value, | |
modifiers | |
) { | |
var ref = modifiers || {}; | |
var number = ref.number; | |
var trim = ref.trim; | |
var baseValueExpression = '$$v'; | |
var valueExpression = baseValueExpression; | |
if (trim) { | |
valueExpression = | |
"(typeof " + baseValueExpression + " === 'string'" + | |
"? " + baseValueExpression + ".trim()" + | |
": " + baseValueExpression + ")"; | |
} | |
if (number) { | |
valueExpression = "_n(" + valueExpression + ")"; | |
} | |
var assignment = genAssignmentCode(value, valueExpression); | |
el.model = { | |
value: ("(" + value + ")"), | |
expression: ("\"" + value + "\""), | |
callback: ("function (" + baseValueExpression + ") {" + assignment + "}") | |
}; | |
} | |
/** | |
* Cross-platform codegen helper for generating v-model value assignment code. | |
*/ | |
function genAssignmentCode ( | |
value, | |
assignment | |
) { | |
var modelRs = parseModel(value); | |
if (modelRs.idx === null) { | |
return (value + "=" + assignment) | |
} else { | |
return "var $$exp = " + (modelRs.exp) + ", $$idx = " + (modelRs.idx) + ";" + | |
"if (!Array.isArray($$exp)){" + | |
value + "=" + assignment + "}" + | |
"else{$$exp.splice($$idx, 1, " + assignment + ")}" | |
} | |
} | |
/** | |
* parse directive model to do the array update transform. a[idx] = val => $$a.splice($$idx, 1, val) | |
* | |
* for loop possible cases: | |
* | |
* - test | |
* - test[idx] | |
* - test[test1[idx]] | |
* - test["a"][idx] | |
* - xxx.test[a[a].test1[idx]] | |
* - test.xxx.a["asa"][test1[idx]] | |
* | |
*/ | |
var len; | |
var str; | |
var chr; | |
var index$1; | |
var expressionPos; | |
var expressionEndPos; | |
function parseModel (val) { | |
str = val; | |
len = str.length; | |
index$1 = expressionPos = expressionEndPos = 0; | |
if (val.indexOf('[') < 0 || val.lastIndexOf(']') < len - 1) { | |
return { | |
exp: val, | |
idx: null | |
} | |
} | |
while (!eof()) { | |
chr = next(); | |
/* istanbul ignore if */ | |
if (isStringStart(chr)) { | |
parseString(chr); | |
} else if (chr === 0x5B) { | |
parseBracket(chr); | |
} | |
} | |
return { | |
exp: val.substring(0, expressionPos), | |
idx: val.substring(expressionPos + 1, expressionEndPos) | |
} | |
} | |
function next () { | |
return str.charCodeAt(++index$1) | |
} | |
function eof () { | |
return index$1 >= len | |
} | |
function isStringStart (chr) { | |
return chr === 0x22 || chr === 0x27 | |
} | |
function parseBracket (chr) { | |
var inBracket = 1; | |
expressionPos = index$1; | |
while (!eof()) { | |
chr = next(); | |
if (isStringStart(chr)) { | |
parseString(chr); | |
continue | |
} | |
if (chr === 0x5B) { inBracket++; } | |
if (chr === 0x5D) { inBracket--; } | |
if (inBracket === 0) { | |
expressionEndPos = index$1; | |
break | |
} | |
} | |
} | |
function parseString (chr) { | |
var stringQuote = chr; | |
while (!eof()) { | |
chr = next(); | |
if (chr === stringQuote) { | |
break | |
} | |
} | |
} | |
/* */ | |
var warn$1; | |
// in some cases, the event used has to be determined at runtime | |
// so we used some reserved tokens during compile. | |
var RANGE_TOKEN = '__r'; | |
var CHECKBOX_RADIO_TOKEN = '__c'; | |
function model ( | |
el, | |
dir, | |
_warn | |
) { | |
warn$1 = _warn; | |
var value = dir.value; | |
var modifiers = dir.modifiers; | |
var tag = el.tag; | |
var type = el.attrsMap.type; | |
{ | |
var dynamicType = el.attrsMap['v-bind:type'] || el.attrsMap[':type']; | |
if (tag === 'input' && dynamicType) { | |
warn$1( | |
"<input :type=\"" + dynamicType + "\" v-model=\"" + value + "\">:\n" + | |
"v-model does not support dynamic input types. Use v-if branches instead." | |
); | |
} | |
// inputs with type="file" are read only and setting the input's | |
// value will throw an error. | |
if (tag === 'input' && type === 'file') { | |
warn$1( | |
"<" + (el.tag) + " v-model=\"" + value + "\" type=\"file\">:\n" + | |
"File inputs are read only. Use a v-on:change listener instead." | |
); | |
} | |
} | |
if (tag === 'select') { | |
genSelect(el, value, modifiers); | |
} else if (tag === 'input' && type === 'checkbox') { | |
genCheckboxModel(el, value, modifiers); | |
} else if (tag === 'input' && type === 'radio') { | |
genRadioModel(el, value, modifiers); | |
} else if (tag === 'input' || tag === 'textarea') { | |
genDefaultModel(el, value, modifiers); | |
} else if (!config.isReservedTag(tag)) { | |
genComponentModel(el, value, modifiers); | |
// component v-model doesn't need extra runtime | |
return false | |
} else { | |
warn$1( | |
"<" + (el.tag) + " v-model=\"" + value + "\">: " + | |
"v-model is not supported on this element type. " + | |
'If you are working with contenteditable, it\'s recommended to ' + | |
'wrap a library dedicated for that purpose inside a custom component.' | |
); | |
} | |
// ensure runtime directive metadata | |
return true | |
} | |
function genCheckboxModel ( | |
el, | |
value, | |
modifiers | |
) { | |
var number = modifiers && modifiers.number; | |
var valueBinding = getBindingAttr(el, 'value') || 'null'; | |
var trueValueBinding = getBindingAttr(el, 'true-value') || 'true'; | |
var falseValueBinding = getBindingAttr(el, 'false-value') || 'false'; | |
addProp(el, 'checked', | |
"Array.isArray(" + value + ")" + | |
"?_i(" + value + "," + valueBinding + ")>-1" + ( | |
trueValueBinding === 'true' | |
? (":(" + value + ")") | |
: (":_q(" + value + "," + trueValueBinding + ")") | |
) | |
); | |
addHandler(el, CHECKBOX_RADIO_TOKEN, | |
"var $$a=" + value + "," + | |
'$$el=$event.target,' + | |
"$$c=$$el.checked?(" + trueValueBinding + "):(" + falseValueBinding + ");" + | |
'if(Array.isArray($$a)){' + | |
"var $$v=" + (number ? '_n(' + valueBinding + ')' : valueBinding) + "," + | |
'$$i=_i($$a,$$v);' + | |
"if($$c){$$i<0&&(" + value + "=$$a.concat($$v))}" + | |
"else{$$i>-1&&(" + value + "=$$a.slice(0,$$i).concat($$a.slice($$i+1)))}" + | |
"}else{" + (genAssignmentCode(value, '$$c')) + "}", | |
null, true | |
); | |
} | |
function genRadioModel ( | |
el, | |
value, | |
modifiers | |
) { | |
var number = modifiers && modifiers.number; | |
var valueBinding = getBindingAttr(el, 'value') || 'null'; | |
valueBinding = number ? ("_n(" + valueBinding + ")") : valueBinding; | |
addProp(el, 'checked', ("_q(" + value + "," + valueBinding + ")")); | |
addHandler(el, CHECKBOX_RADIO_TOKEN, genAssignmentCode(value, valueBinding), null, true); | |
} | |
function genSelect ( | |
el, | |
value, | |
modifiers | |
) { | |
var number = modifiers && modifiers.number; | |
var selectedVal = "Array.prototype.filter" + | |
".call($event.target.options,function(o){return o.selected})" + | |
".map(function(o){var val = \"_value\" in o ? o._value : o.value;" + | |
"return " + (number ? '_n(val)' : 'val') + "})"; | |
var assignment = '$event.target.multiple ? $$selectedVal : $$selectedVal[0]'; | |
var code = "var $$selectedVal = " + selectedVal + ";"; | |
code = code + " " + (genAssignmentCode(value, assignment)); | |
addHandler(el, 'change', code, null, true); | |
} | |
function genDefaultModel ( | |
el, | |
value, | |
modifiers | |
) { | |
var type = el.attrsMap.type; | |
var ref = modifiers || {}; | |
var lazy = ref.lazy; | |
var number = ref.number; | |
var trim = ref.trim; | |
var needCompositionGuard = !lazy && type !== 'range'; | |
var event = lazy | |
? 'change' | |
: type === 'range' | |
? RANGE_TOKEN | |
: 'input'; | |
var valueExpression = '$event.target.value'; | |
if (trim) { | |
valueExpression = "$event.target.value.trim()"; | |
} | |
if (number) { | |
valueExpression = "_n(" + valueExpression + ")"; | |
} | |
var code = genAssignmentCode(value, valueExpression); | |
if (needCompositionGuard) { | |
code = "if($event.target.composing)return;" + code; | |
} | |
addProp(el, 'value', ("(" + value + ")")); | |
addHandler(el, event, code, null, true); | |
if (trim || number || type === 'number') { | |
addHandler(el, 'blur', '$forceUpdate()'); | |
} | |
} | |
/* */ | |
// normalize v-model event tokens that can only be determined at runtime. | |
// it's important to place the event as the first in the array because | |
// the whole point is ensuring the v-model callback gets called before | |
// user-attached handlers. | |
function normalizeEvents (on) { | |
var event; | |
/* istanbul ignore if */ | |
if (isDef(on[RANGE_TOKEN])) { | |
// IE input[type=range] only supports `change` event | |
event = isIE ? 'change' : 'input'; | |
on[event] = [].concat(on[RANGE_TOKEN], on[event] || []); | |
delete on[RANGE_TOKEN]; | |
} | |
if (isDef(on[CHECKBOX_RADIO_TOKEN])) { | |
// Chrome fires microtasks in between click/change, leads to #4521 | |
event = isChrome ? 'click' : 'change'; | |
on[event] = [].concat(on[CHECKBOX_RADIO_TOKEN], on[event] || []); | |
delete on[CHECKBOX_RADIO_TOKEN]; | |
} | |
} | |
var target$1; | |
function add$1 ( | |
event, | |
handler, | |
once$$1, | |
capture, | |
passive | |
) { | |
if (once$$1) { | |
var oldHandler = handler; | |
var _target = target$1; // save current target element in closure | |
handler = function (ev) { | |
var res = arguments.length === 1 | |
? oldHandler(ev) | |
: oldHandler.apply(null, arguments); | |
if (res !== null) { | |
remove$2(event, handler, capture, _target); | |
} | |
}; | |
} | |
target$1.addEventListener( | |
event, | |
handler, | |
supportsPassive | |
? { capture: capture, passive: passive } | |
: capture | |
); | |
} | |
function remove$2 ( | |
event, | |
handler, | |
capture, | |
_target | |
) { | |
(_target || target$1).removeEventListener(event, handler, capture); | |
} | |
function updateDOMListeners (oldVnode, vnode) { | |
if (isUndef(oldVnode.data.on) && isUndef(vnode.data.on)) { | |
return | |
} | |
var on = vnode.data.on || {}; | |
var oldOn = oldVnode.data.on || {}; | |
target$1 = vnode.elm; | |
normalizeEvents(on); | |
updateListeners(on, oldOn, add$1, remove$2, vnode.context); | |
} | |
var events = { | |
create: updateDOMListeners, | |
update: updateDOMListeners | |
}; | |
/* */ | |
function updateDOMProps (oldVnode, vnode) { | |
if (isUndef(oldVnode.data.domProps) && isUndef(vnode.data.domProps)) { | |
return | |
} | |
var key, cur; | |
var elm = vnode.elm; | |
var oldProps = oldVnode.data.domProps || {}; | |
var props = vnode.data.domProps || {}; | |
// clone observed objects, as the user probably wants to mutate it | |
if (isDef(props.__ob__)) { | |
props = vnode.data.domProps = extend({}, props); | |
} | |
for (key in oldProps) { | |
if (isUndef(props[key])) { | |
elm[key] = ''; | |
} | |
} | |
for (key in props) { | |
cur = props[key]; | |
// ignore children if the node has textContent or innerHTML, | |
// as these will throw away existing DOM nodes and cause removal errors | |
// on subsequent patches (#3360) | |
if (key === 'textContent' || key === 'innerHTML') { | |
if (vnode.children) { vnode.children.length = 0; } | |
if (cur === oldProps[key]) { continue } | |
} | |
if (key === 'value') { | |
// store value as _value as well since | |
// non-string values will be stringified | |
elm._value = cur; | |
// avoid resetting cursor position when value is the same | |
var strCur = isUndef(cur) ? '' : String(cur); | |
if (shouldUpdateValue(elm, vnode, strCur)) { | |
elm.value = strCur; | |
} | |
} else { | |
elm[key] = cur; | |
} | |
} | |
} | |
// check platforms/web/util/attrs.js acceptValue | |
function shouldUpdateValue ( | |
elm, | |
vnode, | |
checkVal | |
) { | |
return (!elm.composing && ( | |
vnode.tag === 'option' || | |
isDirty(elm, checkVal) || | |
isInputChanged(elm, checkVal) | |
)) | |
} | |
function isDirty (elm, checkVal) { | |
// return true when textbox (.number and .trim) loses focus and its value is not equal to the updated value | |
return document.activeElement !== elm && elm.value !== checkVal | |
} | |
function isInputChanged (elm, newVal) { | |
var value = elm.value; | |
var modifiers = elm._vModifiers; // injected by v-model runtime | |
if ((isDef(modifiers) && modifiers.number) || elm.type === 'number') { | |
return toNumber(value) !== toNumber(newVal) | |
} | |
if (isDef(modifiers) && modifiers.trim) { | |
return value.trim() !== newVal.trim() | |
} | |
return value !== newVal | |
} | |
var domProps = { | |
create: updateDOMProps, | |
update: updateDOMProps | |
}; | |
/* */ | |
var parseStyleText = cached(function (cssText) { | |
var res = {}; | |
var listDelimiter = /;(?![^(]*\))/g; | |
var propertyDelimiter = /:(.+)/; | |
cssText.split(listDelimiter).forEach(function (item) { | |
if (item) { | |
var tmp = item.split(propertyDelimiter); | |
tmp.length > 1 && (res[tmp[0].trim()] = tmp[1].trim()); | |
} | |
}); | |
return res | |
}); | |
// merge static and dynamic style data on the same vnode | |
function normalizeStyleData (data) { | |
var style = normalizeStyleBinding(data.style); | |
// static style is pre-processed into an object during compilation | |
// and is always a fresh object, so it's safe to merge into it | |
return data.staticStyle | |
? extend(data.staticStyle, style) | |
: style | |
} | |
// normalize possible array / string values into Object | |
function normalizeStyleBinding (bindingStyle) { | |
if (Array.isArray(bindingStyle)) { | |
return toObject(bindingStyle) | |
} | |
if (typeof bindingStyle === 'string') { | |
return parseStyleText(bindingStyle) | |
} | |
return bindingStyle | |
} | |
/** | |
* parent component style should be after child's | |
* so that parent component's style could override it | |
*/ | |
function getStyle (vnode, checkChild) { | |
var res = {}; | |
var styleData; | |
if (checkChild) { | |
var childNode = vnode; | |
while (childNode.componentInstance) { | |
childNode = childNode.componentInstance._vnode; | |
if (childNode.data && (styleData = normalizeStyleData(childNode.data))) { | |
extend(res, styleData); | |
} | |
} | |
} | |
if ((styleData = normalizeStyleData(vnode.data))) { | |
extend(res, styleData); | |
} | |
var parentNode = vnode; | |
while ((parentNode = parentNode.parent)) { | |
if (parentNode.data && (styleData = normalizeStyleData(parentNode.data))) { | |
extend(res, styleData); | |
} | |
} | |
return res | |
} | |
/* */ | |
var cssVarRE = /^--/; | |
var importantRE = /\s*!important$/; | |
var setProp = function (el, name, val) { | |
/* istanbul ignore if */ | |
if (cssVarRE.test(name)) { | |
el.style.setProperty(name, val); | |
} else if (importantRE.test(val)) { | |
el.style.setProperty(name, val.replace(importantRE, ''), 'important'); | |
} else { | |
var normalizedName = normalize(name); | |
if (Array.isArray(val)) { | |
// Support values array created by autoprefixer, e.g. | |
// {display: ["-webkit-box", "-ms-flexbox", "flex"]} | |
// Set them one by one, and the browser will only set those it can recognize | |
for (var i = 0, len = val.length; i < len; i++) { | |
el.style[normalizedName] = val[i]; | |
} | |
} else { | |
el.style[normalizedName] = val; | |
} | |
} | |
}; | |
var prefixes = ['Webkit', 'Moz', 'ms']; | |
var testEl; | |
var normalize = cached(function (prop) { | |
testEl = testEl || document.createElement('div'); | |
prop = camelize(prop); | |
if (prop !== 'filter' && (prop in testEl.style)) { | |
return prop | |
} | |
var upper = prop.charAt(0).toUpperCase() + prop.slice(1); | |
for (var i = 0; i < prefixes.length; i++) { | |
var prefixed = prefixes[i] + upper; | |
if (prefixed in testEl.style) { | |
return prefixed | |
} | |
} | |
}); | |
function updateStyle (oldVnode, vnode) { | |
var data = vnode.data; | |
var oldData = oldVnode.data; | |
if (isUndef(data.staticStyle) && isUndef(data.style) && | |
isUndef(oldData.staticStyle) && isUndef(oldData.style) | |
) { | |
return | |
} | |
var cur, name; | |
var el = vnode.elm; | |
var oldStaticStyle = oldData.staticStyle; | |
var oldStyleBinding = oldData.normalizedStyle || oldData.style || {}; | |
// if static style exists, stylebinding already merged into it when doing normalizeStyleData | |
var oldStyle = oldStaticStyle || oldStyleBinding; | |
var style = normalizeStyleBinding(vnode.data.style) || {}; | |
// store normalized style under a different key for next diff | |
// make sure to clone it if it's reactive, since the user likley wants | |
// to mutate it. | |
vnode.data.normalizedStyle = isDef(style.__ob__) | |
? extend({}, style) | |
: style; | |
var newStyle = getStyle(vnode, true); | |
for (name in oldStyle) { | |
if (isUndef(newStyle[name])) { | |
setProp(el, name, ''); | |
} | |
} | |
for (name in newStyle) { | |
cur = newStyle[name]; | |
if (cur !== oldStyle[name]) { | |
// ie9 setting to null has no effect, must use empty string | |
setProp(el, name, cur == null ? '' : cur); | |
} | |
} | |
} | |
var style = { | |
create: updateStyle, | |
update: updateStyle | |
}; | |
/* */ | |
/** | |
* Add class with compatibility for SVG since classList is not supported on | |
* SVG elements in IE | |
*/ | |
function addClass (el, cls) { | |
/* istanbul ignore if */ | |
if (!cls || !(cls = cls.trim())) { | |
return | |
} | |
/* istanbul ignore else */ | |
if (el.classList) { | |
if (cls.indexOf(' ') > -1) { | |
cls.split(/\s+/).forEach(function (c) { return el.classList.add(c); }); | |
} else { | |
el.classList.add(cls); | |
} | |
} else { | |
var cur = " " + (el.getAttribute('class') || '') + " "; | |
if (cur.indexOf(' ' + cls + ' ') < 0) { | |
el.setAttribute('class', (cur + cls).trim()); | |
} | |
} | |
} | |
/** | |
* Remove class with compatibility for SVG since classList is not supported on | |
* SVG elements in IE | |
*/ | |
function removeClass (el, cls) { | |
/* istanbul ignore if */ | |
if (!cls || !(cls = cls.trim())) { | |
return | |
} | |
/* istanbul ignore else */ | |
if (el.classList) { | |
if (cls.indexOf(' ') > -1) { | |
cls.split(/\s+/).forEach(function (c) { return el.classList.remove(c); }); | |
} else { | |
el.classList.remove(cls); | |
} | |
} else { | |
var cur = " " + (el.getAttribute('class') || '') + " "; | |
var tar = ' ' + cls + ' '; | |
while (cur.indexOf(tar) >= 0) { | |
cur = cur.replace(tar, ' '); | |
} | |
el.setAttribute('class', cur.trim()); | |
} | |
} | |
/* */ | |
function resolveTransition (def$$1) { | |
if (!def$$1) { | |
return | |
} | |
/* istanbul ignore else */ | |
if (typeof def$$1 === 'object') { | |
var res = {}; | |
if (def$$1.css !== false) { | |
extend(res, autoCssTransition(def$$1.name || 'v')); | |
} | |
extend(res, def$$1); | |
return res | |
} else if (typeof def$$1 === 'string') { | |
return autoCssTransition(def$$1) | |
} | |
} | |
var autoCssTransition = cached(function (name) { | |
return { | |
enterClass: (name + "-enter"), | |
enterToClass: (name + "-enter-to"), | |
enterActiveClass: (name + "-enter-active"), | |
leaveClass: (name + "-leave"), | |
leaveToClass: (name + "-leave-to"), | |
leaveActiveClass: (name + "-leave-active") | |
} | |
}); | |
var hasTransition = inBrowser && !isIE9; | |
var TRANSITION = 'transition'; | |
var ANIMATION = 'animation'; | |
// Transition property/event sniffing | |
var transitionProp = 'transition'; | |
var transitionEndEvent = 'transitionend'; | |
var animationProp = 'animation'; | |
var animationEndEvent = 'animationend'; | |
if (hasTransition) { | |
/* istanbul ignore if */ | |
if (window.ontransitionend === undefined && | |
window.onwebkittransitionend !== undefined | |
) { | |
transitionProp = 'WebkitTransition'; | |
transitionEndEvent = 'webkitTransitionEnd'; | |
} | |
if (window.onanimationend === undefined && | |
window.onwebkitanimationend !== undefined | |
) { | |
animationProp = 'WebkitAnimation'; | |
animationEndEvent = 'webkitAnimationEnd'; | |
} | |
} | |
// binding to window is necessary to make hot reload work in IE in strict mode | |
var raf = inBrowser && window.requestAnimationFrame | |
? window.requestAnimationFrame.bind(window) | |
: setTimeout; | |
function nextFrame (fn) { | |
raf(function () { | |
raf(fn); | |
}); | |
} | |
function addTransitionClass (el, cls) { | |
(el._transitionClasses || (el._transitionClasses = [])).push(cls); | |
addClass(el, cls); | |
} | |
function removeTransitionClass (el, cls) { | |
if (el._transitionClasses) { | |
remove(el._transitionClasses, cls); | |
} | |
removeClass(el, cls); | |
} | |
function whenTransitionEnds ( | |
el, | |
expectedType, | |
cb | |
) { | |
var ref = getTransitionInfo(el, expectedType); | |
var type = ref.type; | |
var timeout = ref.timeout; | |
var propCount = ref.propCount; | |
if (!type) { return cb() } | |
var event = type === TRANSITION ? transitionEndEvent : animationEndEvent; | |
var ended = 0; | |
var end = function () { | |
el.removeEventListener(event, onEnd); | |
cb(); | |
}; | |
var onEnd = function (e) { | |
if (e.target === el) { | |
if (++ended >= propCount) { | |
end(); | |
} | |
} | |
}; | |
setTimeout(function () { | |
if (ended < propCount) { | |
end(); | |
} | |
}, timeout + 1); | |
el.addEventListener(event, onEnd); | |
} | |
var transformRE = /\b(transform|all)(,|$)/; | |
function getTransitionInfo (el, expectedType) { | |
var styles = window.getComputedStyle(el); | |
var transitionDelays = styles[transitionProp + 'Delay'].split(', '); | |
var transitionDurations = styles[transitionProp + 'Duration'].split(', '); | |
var transitionTimeout = getTimeout(transitionDelays, transitionDurations); | |
var animationDelays = styles[animationProp + 'Delay'].split(', '); | |
var animationDurations = styles[animationProp + 'Duration'].split(', '); | |
var animationTimeout = getTimeout(animationDelays, animationDurations); | |
var type; | |
var timeout = 0; | |
var propCount = 0; | |
/* istanbul ignore if */ | |
if (expectedType === TRANSITION) { | |
if (transitionTimeout > 0) { | |
type = TRANSITION; | |
timeout = transitionTimeout; | |
propCount = transitionDurations.length; | |
} | |
} else if (expectedType === ANIMATION) { | |
if (animationTimeout > 0) { | |
type = ANIMATION; | |
timeout = animationTimeout; | |
propCount = animationDurations.length; | |
} | |
} else { | |
timeout = Math.max(transitionTimeout, animationTimeout); | |
type = timeout > 0 | |
? transitionTimeout > animationTimeout | |
? TRANSITION | |
: ANIMATION | |
: null; | |
propCount = type | |
? type === TRANSITION | |
? transitionDurations.length | |
: animationDurations.length | |
: 0; | |
} | |
var hasTransform = | |
type === TRANSITION && | |
transformRE.test(styles[transitionProp + 'Property']); | |
return { | |
type: type, | |
timeout: timeout, | |
propCount: propCount, | |
hasTransform: hasTransform | |
} | |
} | |
function getTimeout (delays, durations) { | |
/* istanbul ignore next */ | |
while (delays.length < durations.length) { | |
delays = delays.concat(delays); | |
} | |
return Math.max.apply(null, durations.map(function (d, i) { | |
return toMs(d) + toMs(delays[i]) | |
})) | |
} | |
function toMs (s) { | |
return Number(s.slice(0, -1)) * 1000 | |
} | |
/* */ | |
function enter (vnode, toggleDisplay) { | |
var el = vnode.elm; | |
// call leave callback now | |
if (isDef(el._leaveCb)) { | |
el._leaveCb.cancelled = true; | |
el._leaveCb(); | |
} | |
var data = resolveTransition(vnode.data.transition); | |
if (isUndef(data)) { | |
return | |
} | |
/* istanbul ignore if */ | |
if (isDef(el._enterCb) || el.nodeType !== 1) { | |
return | |
} | |
var css = data.css; | |
var type = data.type; | |
var enterClass = data.enterClass; | |
var enterToClass = data.enterToClass; | |
var enterActiveClass = data.enterActiveClass; | |
var appearClass = data.appearClass; | |
var appearToClass = data.appearToClass; | |
var appearActiveClass = data.appearActiveClass; | |
var beforeEnter = data.beforeEnter; | |
var enter = data.enter; | |
var afterEnter = data.afterEnter; | |
var enterCancelled = data.enterCancelled; | |
var beforeAppear = data.beforeAppear; | |
var appear = data.appear; | |
var afterAppear = data.afterAppear; | |
var appearCancelled = data.appearCancelled; | |
var duration = data.duration; | |
// activeInstance will always be the <transition> component managing this | |
// transition. One edge case to check is when the <transition> is placed | |
// as the root node of a child component. In that case we need to check | |
// <transition>'s parent for appear check. | |
var context = activeInstance; | |
var transitionNode = activeInstance.$vnode; | |
while (transitionNode && transitionNode.parent) { | |
transitionNode = transitionNode.parent; | |
context = transitionNode.context; | |
} | |
var isAppear = !context._isMounted || !vnode.isRootInsert; | |
if (isAppear && !appear && appear !== '') { | |
return | |
} | |
var startClass = isAppear && appearClass | |
? appearClass | |
: enterClass; | |
var activeClass = isAppear && appearActiveClass | |
? appearActiveClass | |
: enterActiveClass; | |
var toClass = isAppear && appearToClass | |
? appearToClass | |
: enterToClass; | |
var beforeEnterHook = isAppear | |
? (beforeAppear || beforeEnter) | |
: beforeEnter; | |
var enterHook = isAppear | |
? (typeof appear === 'function' ? appear : enter) | |
: enter; | |
var afterEnterHook = isAppear | |
? (afterAppear || afterEnter) | |
: afterEnter; | |
var enterCancelledHook = isAppear | |
? (appearCancelled || enterCancelled) | |
: enterCancelled; | |
var explicitEnterDuration = toNumber( | |
isObject(duration) | |
? duration.enter | |
: duration | |
); | |
if ("development" !== 'production' && explicitEnterDuration != null) { | |
checkDuration(explicitEnterDuration, 'enter', vnode); | |
} | |
var expectsCSS = css !== false && !isIE9; | |
var userWantsControl = getHookArgumentsLength(enterHook); | |
var cb = el._enterCb = once(function () { | |
if (expectsCSS) { | |
removeTransitionClass(el, toClass); | |
removeTransitionClass(el, activeClass); | |
} | |
if (cb.cancelled) { | |
if (expectsCSS) { | |
removeTransitionClass(el, startClass); | |
} | |
enterCancelledHook && enterCancelledHook(el); | |
} else { | |
afterEnterHook && afterEnterHook(el); | |
} | |
el._enterCb = null; | |
}); | |
if (!vnode.data.show) { | |
// remove pending leave element on enter by injecting an insert hook | |
mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), 'insert', function () { | |
var parent = el.parentNode; | |
var pendingNode = parent && parent._pending && parent._pending[vnode.key]; | |
if (pendingNode && | |
pendingNode.tag === vnode.tag && | |
pendingNode.elm._leaveCb | |
) { | |
pendingNode.elm._leaveCb(); | |
} | |
enterHook && enterHook(el, cb); | |
}); | |
} | |
// start enter transition | |
beforeEnterHook && beforeEnterHook(el); | |
if (expectsCSS) { | |
addTransitionClass(el, startClass); | |
addTransitionClass(el, activeClass); | |
nextFrame(function () { | |
addTransitionClass(el, toClass); | |
removeTransitionClass(el, startClass); | |
if (!cb.cancelled && !userWantsControl) { | |
if (isValidDuration(explicitEnterDuration)) { | |
setTimeout(cb, explicitEnterDuration); | |
} else { | |
whenTransitionEnds(el, type, cb); | |
} | |
} | |
}); | |
} | |
if (vnode.data.show) { | |
toggleDisplay && toggleDisplay(); | |
enterHook && enterHook(el, cb); | |
} | |
if (!expectsCSS && !userWantsControl) { | |
cb(); | |
} | |
} | |
function leave (vnode, rm) { | |
var el = vnode.elm; | |
// call enter callback now | |
if (isDef(el._enterCb)) { | |
el._enterCb.cancelled = true; | |
el._enterCb(); | |
} | |
var data = resolveTransition(vnode.data.transition); | |
if (isUndef(data)) { | |
return rm() | |
} | |
/* istanbul ignore if */ | |
if (isDef(el._leaveCb) || el.nodeType !== 1) { | |
return | |
} | |
var css = data.css; | |
var type = data.type; | |
var leaveClass = data.leaveClass; | |
var leaveToClass = data.leaveToClass; | |
var leaveActiveClass = data.leaveActiveClass; | |
var beforeLeave = data.beforeLeave; | |
var leave = data.leave; | |
var afterLeave = data.afterLeave; | |
var leaveCancelled = data.leaveCancelled; | |
var delayLeave = data.delayLeave; | |
var duration = data.duration; | |
var expectsCSS = css !== false && !isIE9; | |
var userWantsControl = getHookArgumentsLength(leave); | |
var explicitLeaveDuration = toNumber( | |
isObject(duration) | |
? duration.leave | |
: duration | |
); | |
if ("development" !== 'production' && isDef(explicitLeaveDuration)) { | |
checkDuration(explicitLeaveDuration, 'leave', vnode); | |
} | |
var cb = el._leaveCb = once(function () { | |
if (el.parentNode && el.parentNode._pending) { | |
el.parentNode._pending[vnode.key] = null; | |
} | |
if (expectsCSS) { | |
removeTransitionClass(el, leaveToClass); | |
removeTransitionClass(el, leaveActiveClass); | |
} | |
if (cb.cancelled) { | |
if (expectsCSS) { | |
removeTransitionClass(el, leaveClass); | |
} | |
leaveCancelled && leaveCancelled(el); | |
} else { | |
rm(); | |
afterLeave && afterLeave(el); | |
} | |
el._leaveCb = null; | |
}); | |
if (delayLeave) { | |
delayLeave(performLeave); | |
} else { | |
performLeave(); | |
} | |
function performLeave () { | |
// the delayed leave may have already been cancelled | |
if (cb.cancelled) { | |
return | |
} | |
// record leaving element | |
if (!vnode.data.show) { | |
(el.parentNode._pending || (el.parentNode._pending = {}))[(vnode.key)] = vnode; | |
} | |
beforeLeave && beforeLeave(el); | |
if (expectsCSS) { | |
addTransitionClass(el, leaveClass); | |
addTransitionClass(el, leaveActiveClass); | |
nextFrame(function () { | |
addTransitionClass(el, leaveToClass); | |
removeTransitionClass(el, leaveClass); | |
if (!cb.cancelled && !userWantsControl) { | |
if (isValidDuration(explicitLeaveDuration)) { | |
setTimeout(cb, explicitLeaveDuration); | |
} else { | |
whenTransitionEnds(el, type, cb); | |
} | |
} | |
}); | |
} | |
leave && leave(el, cb); | |
if (!expectsCSS && !userWantsControl) { | |
cb(); | |
} | |
} | |
} | |
// only used in dev mode | |
function checkDuration (val, name, vnode) { | |
if (typeof val !== 'number') { | |
warn( | |
"<transition> explicit " + name + " duration is not a valid number - " + | |
"got " + (JSON.stringify(val)) + ".", | |
vnode.context | |
); | |
} else if (isNaN(val)) { | |
warn( | |
"<transition> explicit " + name + " duration is NaN - " + | |
'the duration expression might be incorrect.', | |
vnode.context | |
); | |
} | |
} | |
function isValidDuration (val) { | |
return typeof val === 'number' && !isNaN(val) | |
} | |
/** | |
* Normalize a transition hook's argument length. The hook may be: | |
* - a merged hook (invoker) with the original in .fns | |
* - a wrapped component method (check ._length) | |
* - a plain function (.length) | |
*/ | |
function getHookArgumentsLength (fn) { | |
if (isUndef(fn)) { | |
return false | |
} | |
var invokerFns = fn.fns; | |
if (isDef(invokerFns)) { | |
// invoker | |
return getHookArgumentsLength( | |
Array.isArray(invokerFns) | |
? invokerFns[0] | |
: invokerFns | |
) | |
} else { | |
return (fn._length || fn.length) > 1 | |
} | |
} | |
function _enter (_, vnode) { | |
if (vnode.data.show !== true) { | |
enter(vnode); | |
} | |
} | |
var transition = inBrowser ? { | |
create: _enter, | |
activate: _enter, | |
remove: function remove$$1 (vnode, rm) { | |
/* istanbul ignore else */ | |
if (vnode.data.show !== true) { | |
leave(vnode, rm); | |
} else { | |
rm(); | |
} | |
} | |
} : {}; | |
var platformModules = [ | |
attrs, | |
klass, | |
events, | |
domProps, | |
style, | |
transition | |
]; | |
/* */ | |
// the directive module should be applied last, after all | |
// built-in modules have been applied. | |
var modules = platformModules.concat(baseModules); | |
var patch = createPatchFunction({ nodeOps: nodeOps, modules: modules }); | |
/** | |
* Not type checking this file because flow doesn't like attaching | |
* properties to Elements. | |
*/ | |
/* istanbul ignore if */ | |
if (isIE9) { | |
// http://www.matts411.com/post/internet-explorer-9-oninput/ | |
document.addEventListener('selectionchange', function () { | |
var el = document.activeElement; | |
if (el && el.vmodel) { | |
trigger(el, 'input'); | |
} | |
}); | |
} | |
var model$1 = { | |
inserted: function inserted (el, binding, vnode) { | |
if (vnode.tag === 'select') { | |
var cb = function () { | |
setSelected(el, binding, vnode.context); | |
}; | |
cb(); | |
/* istanbul ignore if */ | |
if (isIE || isEdge) { | |
setTimeout(cb, 0); | |
} | |
} else if (vnode.tag === 'textarea' || el.type === 'text' || el.type === 'password') { | |
el._vModifiers = binding.modifiers; | |
if (!binding.modifiers.lazy) { | |
// Safari < 10.2 & UIWebView doesn't fire compositionend when | |
// switching focus before confirming composition choice | |
// this also fixes the issue where some browsers e.g. iOS Chrome | |
// fires "change" instead of "input" on autocomplete. | |
el.addEventListener('change', onCompositionEnd); | |
if (!isAndroid) { | |
el.addEventListener('compositionstart', onCompositionStart); | |
el.addEventListener('compositionend', onCompositionEnd); | |
} | |
/* istanbul ignore if */ | |
if (isIE9) { | |
el.vmodel = true; | |
} | |
} | |
} | |
}, | |
componentUpdated: function componentUpdated (el, binding, vnode) { | |
if (vnode.tag === 'select') { | |
setSelected(el, binding, vnode.context); | |
// in case the options rendered by v-for have changed, | |
// it's possible that the value is out-of-sync with the rendered options. | |
// detect such cases and filter out values that no longer has a matching | |
// option in the DOM. | |
var needReset = el.multiple | |
? binding.value.some(function (v) { return hasNoMatchingOption(v, el.options); }) | |
: binding.value !== binding.oldValue && hasNoMatchingOption(binding.value, el.options); | |
if (needReset) { | |
trigger(el, 'change'); | |
} | |
} | |
} | |
}; | |
function setSelected (el, binding, vm) { | |
var value = binding.value; | |
var isMultiple = el.multiple; | |
if (isMultiple && !Array.isArray(value)) { | |
"development" !== 'production' && warn( | |
"<select multiple v-model=\"" + (binding.expression) + "\"> " + | |
"expects an Array value for its binding, but got " + (Object.prototype.toString.call(value).slice(8, -1)), | |
vm | |
); | |
return | |
} | |
var selected, option; | |
for (var i = 0, l = el.options.length; i < l; i++) { | |
option = el.options[i]; | |
if (isMultiple) { | |
selected = looseIndexOf(value, getValue(option)) > -1; | |
if (option.selected !== selected) { | |
option.selected = selected; | |
} | |
} else { | |
if (looseEqual(getValue(option), value)) { | |
if (el.selectedIndex !== i) { | |
el.selectedIndex = i; | |
} | |
return | |
} | |
} | |
} | |
if (!isMultiple) { | |
el.selectedIndex = -1; | |
} | |
} | |
function hasNoMatchingOption (value, options) { | |
for (var i = 0, l = options.length; i < l; i++) { | |
if (looseEqual(getValue(options[i]), value)) { | |
return false | |
} | |
} | |
return true | |
} | |
function getValue (option) { | |
return '_value' in option | |
? option._value | |
: option.value | |
} | |
function onCompositionStart (e) { | |
e.target.composing = true; | |
} | |
function onCompositionEnd (e) { | |
// prevent triggering an input event for no reason | |
if (!e.target.composing) { return } | |
e.target.composing = false; | |
trigger(e.target, 'input'); | |
} | |
function trigger (el, type) { | |
var e = document.createEvent('HTMLEvents'); | |
e.initEvent(type, true, true); | |
el.dispatchEvent(e); | |
} | |
/* */ | |
// recursively search for possible transition defined inside the component root | |
function locateNode (vnode) { | |
return vnode.componentInstance && (!vnode.data || !vnode.data.transition) | |
? locateNode(vnode.componentInstance._vnode) | |
: vnode | |
} | |
var show = { | |
bind: function bind (el, ref, vnode) { | |
var value = ref.value; | |
vnode = locateNode(vnode); | |
var transition = vnode.data && vnode.data.transition; | |
var originalDisplay = el.__vOriginalDisplay = | |
el.style.display === 'none' ? '' : el.style.display; | |
if (value && transition && !isIE9) { | |
vnode.data.show = true; | |
enter(vnode, function () { | |
el.style.display = originalDisplay; | |
}); | |
} else { | |
el.style.display = value ? originalDisplay : 'none'; | |
} | |
}, | |
update: function update (el, ref, vnode) { | |
var value = ref.value; | |
var oldValue = ref.oldValue; | |
/* istanbul ignore if */ | |
if (value === oldValue) { return } | |
vnode = locateNode(vnode); | |
var transition = vnode.data && vnode.data.transition; | |
if (transition && !isIE9) { | |
vnode.data.show = true; | |
if (value) { | |
enter(vnode, function () { | |
el.style.display = el.__vOriginalDisplay; | |
}); | |
} else { | |
leave(vnode, function () { | |
el.style.display = 'none'; | |
}); | |
} | |
} else { | |
el.style.display = value ? el.__vOriginalDisplay : 'none'; | |
} | |
}, | |
unbind: function unbind ( | |
el, | |
binding, | |
vnode, | |
oldVnode, | |
isDestroy | |
) { | |
if (!isDestroy) { | |
el.style.display = el.__vOriginalDisplay; | |
} | |
} | |
}; | |
var platformDirectives = { | |
model: model$1, | |
show: show | |
}; | |
/* */ | |
// Provides transition support for a single element/component. | |
// supports transition mode (out-in / in-out) | |
var transitionProps = { | |
name: String, | |
appear: Boolean, | |
css: Boolean, | |
mode: String, | |
type: String, | |
enterClass: String, | |
leaveClass: String, | |
enterToClass: String, | |
leaveToClass: String, | |
enterActiveClass: String, | |
leaveActiveClass: String, | |
appearClass: String, | |
appearActiveClass: String, | |
appearToClass: String, | |
duration: [Number, String, Object] | |
}; | |
// in case the child is also an abstract component, e.g. <keep-alive> | |
// we want to recursively retrieve the real component to be rendered | |
function getRealChild (vnode) { | |
var compOptions = vnode && vnode.componentOptions; | |
if (compOptions && compOptions.Ctor.options.abstract) { | |
return getRealChild(getFirstComponentChild(compOptions.children)) | |
} else { | |
return vnode | |
} | |
} | |
function extractTransitionData (comp) { | |
var data = {}; | |
var options = comp.$options; | |
// props | |
for (var key in options.propsData) { | |
data[key] = comp[key]; | |
} | |
// events. | |
// extract listeners and pass them directly to the transition methods | |
var listeners = options._parentListeners; | |
for (var key$1 in listeners) { | |
data[camelize(key$1)] = listeners[key$1]; | |
} | |
return data | |
} | |
function placeholder (h, rawChild) { | |
if (/\d-keep-alive$/.test(rawChild.tag)) { | |
return h('keep-alive', { | |
props: rawChild.componentOptions.propsData | |
}) | |
} | |
} | |
function hasParentTransition (vnode) { | |
while ((vnode = vnode.parent)) { | |
if (vnode.data.transition) { | |
return true | |
} | |
} | |
} | |
function isSameChild (child, oldChild) { | |
return oldChild.key === child.key && oldChild.tag === child.tag | |
} | |
var Transition = { | |
name: 'transition', | |
props: transitionProps, | |
abstract: true, | |
render: function render (h) { | |
var this$1 = this; | |
var children = this.$slots.default; | |
if (!children) { | |
return | |
} | |
// filter out text nodes (possible whitespaces) | |
children = children.filter(function (c) { return c.tag; }); | |
/* istanbul ignore if */ | |
if (!children.length) { | |
return | |
} | |
// warn multiple elements | |
if ("development" !== 'production' && children.length > 1) { | |
warn( | |
'<transition> can only be used on a single element. Use ' + | |
'<transition-group> for lists.', | |
this.$parent | |
); | |
} | |
var mode = this.mode; | |
// warn invalid mode | |
if ("development" !== 'production' && | |
mode && mode !== 'in-out' && mode !== 'out-in' | |
) { | |
warn( | |
'invalid <transition> mode: ' + mode, | |
this.$parent | |
); | |
} | |
var rawChild = children[0]; | |
// if this is a component root node and the component's | |
// parent container node also has transition, skip. | |
if (hasParentTransition(this.$vnode)) { | |
return rawChild | |
} | |
// apply transition data to child | |
// use getRealChild() to ignore abstract components e.g. keep-alive | |
var child = getRealChild(rawChild); | |
/* istanbul ignore if */ | |
if (!child) { | |
return rawChild | |
} | |
if (this._leaving) { | |
return placeholder(h, rawChild) | |
} | |
// ensure a key that is unique to the vnode type and to this transition | |
// component instance. This key will be used to remove pending leaving nodes | |
// during entering. | |
var id = "__transition-" + (this._uid) + "-"; | |
child.key = child.key == null | |
? id + child.tag | |
: isPrimitive(child.key) | |
? (String(child.key).indexOf(id) === 0 ? child.key : id + child.key) | |
: child.key; | |
var data = (child.data || (child.data = {})).transition = extractTransitionData(this); | |
var oldRawChild = this._vnode; | |
var oldChild = getRealChild(oldRawChild); | |
// mark v-show | |
// so that the transition module can hand over the control to the directive | |
if (child.data.directives && child.data.directives.some(function (d) { return d.name === 'show'; })) { | |
child.data.show = true; | |
} | |
if (oldChild && oldChild.data && !isSameChild(child, oldChild)) { | |
// replace old child transition data with fresh one | |
// important for dynamic transitions! | |
var oldData = oldChild && (oldChild.data.transition = extend({}, data)); | |
// handle transition mode | |
if (mode === 'out-in') { | |
// return placeholder node and queue update when leave finishes | |
this._leaving = true; | |
mergeVNodeHook(oldData, 'afterLeave', function () { | |
this$1._leaving = false; | |
this$1.$forceUpdate(); | |
}); | |
return placeholder(h, rawChild) | |
} else if (mode === 'in-out') { | |
var delayedLeave; | |
var performLeave = function () { delayedLeave(); }; | |
mergeVNodeHook(data, 'afterEnter', performLeave); | |
mergeVNodeHook(data, 'enterCancelled', performLeave); | |
mergeVNodeHook(oldData, 'delayLeave', function (leave) { delayedLeave = leave; }); | |
} | |
} | |
return rawChild | |
} | |
}; | |
/* */ | |
// Provides transition support for list items. | |
// supports move transitions using the FLIP technique. | |
// Because the vdom's children update algorithm is "unstable" - i.e. | |
// it doesn't guarantee the relative positioning of removed elements, | |
// we force transition-group to update its children into two passes: | |
// in the first pass, we remove all nodes that need to be removed, | |
// triggering their leaving transition; in the second pass, we insert/move | |
// into the final desired state. This way in the second pass removed | |
// nodes will remain where they should be. | |
var props = extend({ | |
tag: String, | |
moveClass: String | |
}, transitionProps); | |
delete props.mode; | |
var TransitionGroup = { | |
props: props, | |
render: function render (h) { | |
var tag = this.tag || this.$vnode.data.tag || 'span'; | |
var map = Object.create(null); | |
var prevChildren = this.prevChildren = this.children; | |
var rawChildren = this.$slots.default || []; | |
var children = this.children = []; | |
var transitionData = extractTransitionData(this); | |
for (var i = 0; i < rawChildren.length; i++) { | |
var c = rawChildren[i]; | |
if (c.tag) { | |
if (c.key != null && String(c.key).indexOf('__vlist') !== 0) { | |
children.push(c); | |
map[c.key] = c | |
;(c.data || (c.data = {})).transition = transitionData; | |
} else { | |
var opts = c.componentOptions; | |
var name = opts ? (opts.Ctor.options.name || opts.tag || '') : c.tag; | |
warn(("<transition-group> children must be keyed: <" + name + ">")); | |
} | |
} | |
} | |
if (prevChildren) { | |
var kept = []; | |
var removed = []; | |
for (var i$1 = 0; i$1 < prevChildren.length; i$1++) { | |
var c$1 = prevChildren[i$1]; | |
c$1.data.transition = transitionData; | |
c$1.data.pos = c$1.elm.getBoundingClientRect(); | |
if (map[c$1.key]) { | |
kept.push(c$1); | |
} else { | |
removed.push(c$1); | |
} | |
} | |
this.kept = h(tag, null, kept); | |
this.removed = removed; | |
} | |
return h(tag, null, children) | |
}, | |
beforeUpdate: function beforeUpdate () { | |
// force removing pass | |
this.__patch__( | |
this._vnode, | |
this.kept, | |
false, // hydrating | |
true // removeOnly (!important, avoids unnecessary moves) | |
); | |
this._vnode = this.kept; | |
}, | |
updated: function updated () { | |
var children = this.prevChildren; | |
var moveClass = this.moveClass || ((this.name || 'v') + '-move'); | |
if (!children.length || !this.hasMove(children[0].elm, moveClass)) { | |
return | |
} | |
// we divide the work into three loops to avoid mixing DOM reads and writes | |
// in each iteration - which helps prevent layout thrashing. | |
children.forEach(callPendingCbs); | |
children.forEach(recordPosition); | |
children.forEach(applyTranslation); | |
// force reflow to put everything in position | |
var body = document.body; | |
var f = body.offsetHeight; // eslint-disable-line | |
children.forEach(function (c) { | |
if (c.data.moved) { | |
var el = c.elm; | |
var s = el.style; | |
addTransitionClass(el, moveClass); | |
s.transform = s.WebkitTransform = s.transitionDuration = ''; | |
el.addEventListener(transitionEndEvent, el._moveCb = function cb (e) { | |
if (!e || /transform$/.test(e.propertyName)) { | |
el.removeEventListener(transitionEndEvent, cb); | |
el._moveCb = null; | |
removeTransitionClass(el, moveClass); | |
} | |
}); | |
} | |
}); | |
}, | |
methods: { | |
hasMove: function hasMove (el, moveClass) { | |
/* istanbul ignore if */ | |
if (!hasTransition) { | |
return false | |
} | |
if (this._hasMove != null) { | |
return this._hasMove | |
} | |
// Detect whether an element with the move class applied has | |
// CSS transitions. Since the element may be inside an entering | |
// transition at this very moment, we make a clone of it and remove | |
// all other transition classes applied to ensure only the move class | |
// is applied. | |
var clone = el.cloneNode(); | |
if (el._transitionClasses) { | |
el._transitionClasses.forEach(function (cls) { removeClass(clone, cls); }); | |
} | |
addClass(clone, moveClass); | |
clone.style.display = 'none'; | |
this.$el.appendChild(clone); | |
var info = getTransitionInfo(clone); | |
this.$el.removeChild(clone); | |
return (this._hasMove = info.hasTransform) | |
} | |
} | |
}; | |
function callPendingCbs (c) { | |
/* istanbul ignore if */ | |
if (c.elm._moveCb) { | |
c.elm._moveCb(); | |
} | |
/* istanbul ignore if */ | |
if (c.elm._enterCb) { | |
c.elm._enterCb(); | |
} | |
} | |
function recordPosition (c) { | |
c.data.newPos = c.elm.getBoundingClientRect(); | |
} | |
function applyTranslation (c) { | |
var oldPos = c.data.pos; | |
var newPos = c.data.newPos; | |
var dx = oldPos.left - newPos.left; | |
var dy = oldPos.top - newPos.top; | |
if (dx || dy) { | |
c.data.moved = true; | |
var s = c.elm.style; | |
s.transform = s.WebkitTransform = "translate(" + dx + "px," + dy + "px)"; | |
s.transitionDuration = '0s'; | |
} | |
} | |
var platformComponents = { | |
Transition: Transition, | |
TransitionGroup: TransitionGroup | |
}; | |
/* */ | |
// install platform specific utils | |
Vue$3.config.mustUseProp = mustUseProp; | |
Vue$3.config.isReservedTag = isReservedTag; | |
Vue$3.config.isReservedAttr = isReservedAttr; | |
Vue$3.config.getTagNamespace = getTagNamespace; | |
Vue$3.config.isUnknownElement = isUnknownElement; | |
// install platform runtime directives & components | |
extend(Vue$3.options.directives, platformDirectives); | |
extend(Vue$3.options.components, platformComponents); | |
// install platform patch function | |
Vue$3.prototype.__patch__ = inBrowser ? patch : noop; | |
// public mount method | |
Vue$3.prototype.$mount = function ( | |
el, | |
hydrating | |
) { | |
el = el && inBrowser ? query(el) : undefined; | |
return mountComponent(this, el, hydrating) | |
}; | |
// devtools global hook | |
/* istanbul ignore next */ | |
setTimeout(function () { | |
if (config.devtools) { | |
if (devtools) { | |
devtools.emit('init', Vue$3); | |
} else if ("development" !== 'production' && isChrome) { | |
console[console.info ? 'info' : 'log']( | |
'Download the Vue Devtools extension for a better development experience:\n' + | |
'https://github.com/vuejs/vue-devtools' | |
); | |
} | |
} | |
if ("development" !== 'production' && | |
config.productionTip !== false && | |
inBrowser && typeof console !== 'undefined' | |
) { | |
console[console.info ? 'info' : 'log']( | |
"You are running Vue in development mode.\n" + | |
"Make sure to turn on production mode when deploying for production.\n" + | |
"See more tips at https://vuejs.org/guide/deployment.html" | |
); | |
} | |
}, 0); | |
/* */ | |
// check whether current browser encodes a char inside attribute values | |
function shouldDecode (content, encoded) { | |
var div = document.createElement('div'); | |
div.innerHTML = "<div a=\"" + content + "\">"; | |
return div.innerHTML.indexOf(encoded) > 0 | |
} | |
// #3663 | |
// IE encodes newlines inside attribute values while other browsers don't | |
var shouldDecodeNewlines = inBrowser ? shouldDecode('\n', ' ') : false; | |
/* */ | |
var isUnaryTag = makeMap( | |
'area,base,br,col,embed,frame,hr,img,input,isindex,keygen,' + | |
'link,meta,param,source,track,wbr' | |
); | |
// Elements that you can, intentionally, leave open | |
// (and which close themselves) | |
var canBeLeftOpenTag = makeMap( | |
'colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr,source' | |
); | |
// HTML5 tags https://html.spec.whatwg.org/multipage/indices.html#elements-3 | |
// Phrasing Content https://html.spec.whatwg.org/multipage/dom.html#phrasing-content | |
var isNonPhrasingTag = makeMap( | |
'address,article,aside,base,blockquote,body,caption,col,colgroup,dd,' + | |
'details,dialog,div,dl,dt,fieldset,figcaption,figure,footer,form,' + | |
'h1,h2,h3,h4,h5,h6,head,header,hgroup,hr,html,legend,li,menuitem,meta,' + | |
'optgroup,option,param,rp,rt,source,style,summary,tbody,td,tfoot,th,thead,' + | |
'title,tr,track' | |
); | |
/* */ | |
var decoder; | |
function decode (html) { | |
decoder = decoder || document.createElement('div'); | |
decoder.innerHTML = html; | |
return decoder.textContent | |
} | |
/** | |
* Not type-checking this file because it's mostly vendor code. | |
*/ | |
/*! | |
* HTML Parser By John Resig (ejohn.org) | |
* Modified by Juriy "kangax" Zaytsev | |
* Original code by Erik Arvidsson, Mozilla Public License | |
* http://erik.eae.net/simplehtmlparser/simplehtmlparser.js | |
*/ | |
// Regular Expressions for parsing tags and attributes | |
var singleAttrIdentifier = /([^\s"'<>/=]+)/; | |
var singleAttrAssign = /(?:=)/; | |
var singleAttrValues = [ | |
// attr value double quotes | |
/"([^"]*)"+/.source, | |
// attr value, single quotes | |
/'([^']*)'+/.source, | |
// attr value, no quotes | |
/([^\s"'=<>`]+)/.source | |
]; | |
var attribute = new RegExp( | |
'^\\s*' + singleAttrIdentifier.source + | |
'(?:\\s*(' + singleAttrAssign.source + ')' + | |
'\\s*(?:' + singleAttrValues.join('|') + '))?' | |
); | |
// could use https://www.w3.org/TR/1999/REC-xml-names-19990114/#NT-QName | |
// but for Vue templates we can enforce a simple charset | |
var ncname = '[a-zA-Z_][\\w\\-\\.]*'; | |
var qnameCapture = '((?:' + ncname + '\\:)?' + ncname + ')'; | |
var startTagOpen = new RegExp('^<' + qnameCapture); | |
var startTagClose = /^\s*(\/?)>/; | |
var endTag = new RegExp('^<\\/' + qnameCapture + '[^>]*>'); | |
var doctype = /^<!DOCTYPE [^>]+>/i; | |
var comment = /^<!--/; | |
var conditionalComment = /^<!\[/; | |
var IS_REGEX_CAPTURING_BROKEN = false; | |
'x'.replace(/x(.)?/g, function (m, g) { | |
IS_REGEX_CAPTURING_BROKEN = g === ''; | |
}); | |
// Special Elements (can contain anything) | |
var isPlainTextElement = makeMap('script,style,textarea', true); | |
var reCache = {}; | |
var decodingMap = { | |
'<': '<', | |
'>': '>', | |
'"': '"', | |
'&': '&', | |
' ': '\n' | |
}; | |
var encodedAttr = /&(?:lt|gt|quot|amp);/g; | |
var encodedAttrWithNewLines = /&(?:lt|gt|quot|amp|#10);/g; | |
function decodeAttr (value, shouldDecodeNewlines) { | |
var re = shouldDecodeNewlines ? encodedAttrWithNewLines : encodedAttr; | |
return value.replace(re, function (match) { return decodingMap[match]; }) | |
} | |
function parseHTML (html, options) { | |
var stack = []; | |
var expectHTML = options.expectHTML; | |
var isUnaryTag$$1 = options.isUnaryTag || no; | |
var canBeLeftOpenTag$$1 = options.canBeLeftOpenTag || no; | |
var index = 0; | |
var last, lastTag; | |
while (html) { | |
last = html; | |
// Make sure we're not in a plaintext content element like script/style | |
if (!lastTag || !isPlainTextElement(lastTag)) { | |
var textEnd = html.indexOf('<'); | |
if (textEnd === 0) { | |
// Comment: | |
if (comment.test(html)) { | |
var commentEnd = html.indexOf('-->'); | |
if (commentEnd >= 0) { | |
advance(commentEnd + 3); | |
continue | |
} | |
} | |
// http://en.wikipedia.org/wiki/Conditional_comment#Downlevel-revealed_conditional_comment | |
if (conditionalComment.test(html)) { | |
var conditionalEnd = html.indexOf(']>'); | |
if (conditionalEnd >= 0) { | |
advance(conditionalEnd + 2); | |
continue | |
} | |
} | |
// Doctype: | |
var doctypeMatch = html.match(doctype); | |
if (doctypeMatch) { | |
advance(doctypeMatch[0].length); | |
continue | |
} | |
// End tag: | |
var endTagMatch = html.match(endTag); | |
if (endTagMatch) { | |
var curIndex = index; | |
advance(endTagMatch[0].length); | |
parseEndTag(endTagMatch[1], curIndex, index); | |
continue | |
} | |
// Start tag: | |
var startTagMatch = parseStartTag(); | |
if (startTagMatch) { | |
handleStartTag(startTagMatch); | |
continue | |
} | |
} | |
var text = (void 0), rest$1 = (void 0), next = (void 0); | |
if (textEnd >= 0) { | |
rest$1 = html.slice(textEnd); | |
while ( | |
!endTag.test(rest$1) && | |
!startTagOpen.test(rest$1) && | |
!comment.test(rest$1) && | |
!conditionalComment.test(rest$1) | |
) { | |
// < in plain text, be forgiving and treat it as text | |
next = rest$1.indexOf('<', 1); | |
if (next < 0) { break } | |
textEnd += next; | |
rest$1 = html.slice(textEnd); | |
} | |
text = html.substring(0, textEnd); | |
advance(textEnd); | |
} | |
if (textEnd < 0) { | |
text = html; | |
html = ''; | |
} | |
if (options.chars && text) { | |
options.chars(text); | |
} | |
} else { | |
var stackedTag = lastTag.toLowerCase(); | |
var reStackedTag = reCache[stackedTag] || (reCache[stackedTag] = new RegExp('([\\s\\S]*?)(</' + stackedTag + '[^>]*>)', 'i')); | |
var endTagLength = 0; | |
var rest = html.replace(reStackedTag, function (all, text, endTag) { | |
endTagLength = endTag.length; | |
if (!isPlainTextElement(stackedTag) && stackedTag !== 'noscript') { | |
text = text | |
.replace(/<!--([\s\S]*?)-->/g, '$1') | |
.replace(/<!\[CDATA\[([\s\S]*?)]]>/g, '$1'); | |
} | |
if (options.chars) { | |
options.chars(text); | |
} | |
return '' | |
}); | |
index += html.length - rest.length; | |
html = rest; | |
parseEndTag(stackedTag, index - endTagLength, index); | |
} | |
if (html === last) { | |
options.chars && options.chars(html); | |
if ("development" !== 'production' && !stack.length && options.warn) { | |
options.warn(("Mal-formatted tag at end of template: \"" + html + "\"")); | |
} | |
break | |
} | |
} | |
// Clean up any remaining tags | |
parseEndTag(); | |
function advance (n) { | |
index += n; | |
html = html.substring(n); | |
} | |
function parseStartTag () { | |
var start = html.match(startTagOpen); | |
if (start) { | |
var match = { | |
tagName: start[1], | |
attrs: [], | |
start: index | |
}; | |
advance(start[0].length); | |
var end, attr; | |
while (!(end = html.match(startTagClose)) && (attr = html.match(attribute))) { | |
advance(attr[0].length); | |
match.attrs.push(attr); | |
} | |
if (end) { | |
match.unarySlash = end[1]; | |
advance(end[0].length); | |
match.end = index; | |
return match | |
} | |
} | |
} | |
function handleStartTag (match) { | |
var tagName = match.tagName; | |
var unarySlash = match.unarySlash; | |
if (expectHTML) { | |
if (lastTag === 'p' && isNonPhrasingTag(tagName)) { | |
parseEndTag(lastTag); | |
} | |
if (canBeLeftOpenTag$$1(tagName) && lastTag === tagName) { | |
parseEndTag(tagName); | |
} | |
} | |
var unary = isUnaryTag$$1(tagName) || tagName === 'html' && lastTag === 'head' || !!unarySlash; | |
var l = match.attrs.length; | |
var attrs = new Array(l); | |
for (var i = 0; i < l; i++) { | |
var args = match.attrs[i]; | |
// hackish work around FF bug https://bugzilla.mozilla.org/show_bug.cgi?id=369778 | |
if (IS_REGEX_CAPTURING_BROKEN && args[0].indexOf('""') === -1) { | |
if (args[3] === '') { delete args[3]; } | |
if (args[4] === '') { delete args[4]; } | |
if (args[5] === '') { delete args[5]; } | |
} | |
var value = args[3] || args[4] || args[5] || ''; | |
attrs[i] = { | |
name: args[1], | |
value: decodeAttr( | |
value, | |
options.shouldDecodeNewlines | |
) | |
}; | |
} | |
if (!unary) { | |
stack.push({ tag: tagName, lowerCasedTag: tagName.toLowerCase(), attrs: attrs }); | |
lastTag = tagName; | |
} | |
if (options.start) { | |
options.start(tagName, attrs, unary, match.start, match.end); | |
} | |
} | |
function parseEndTag (tagName, start, end) { | |
var pos, lowerCasedTagName; | |
if (start == null) { start = index; } | |
if (end == null) { end = index; } | |
if (tagName) { | |
lowerCasedTagName = tagName.toLowerCase(); | |
} | |
// Find the closest opened tag of the same type | |
if (tagName) { | |
for (pos = stack.length - 1; pos >= 0; pos--) { | |
if (stack[pos].lowerCasedTag === lowerCasedTagName) { | |
break | |
} | |
} | |
} else { | |
// If no tag name is provided, clean shop | |
pos = 0; | |
} | |
if (pos >= 0) { | |
// Close all the open elements, up the stack | |
for (var i = stack.length - 1; i >= pos; i--) { | |
if ("development" !== 'production' && | |
(i > pos || !tagName) && | |
options.warn | |
) { | |
options.warn( | |
("tag <" + (stack[i].tag) + "> has no matching end tag.") | |
); | |
} | |
if (options.end) { | |
options.end(stack[i].tag, start, end); | |
} | |
} | |
// Remove the open elements from the stack | |
stack.length = pos; | |
lastTag = pos && stack[pos - 1].tag; | |
} else if (lowerCasedTagName === 'br') { | |
if (options.start) { | |
options.start(tagName, [], true, start, end); | |
} | |
} else if (lowerCasedTagName === 'p') { | |
if (options.start) { | |
options.start(tagName, [], false, start, end); | |
} | |
if (options.end) { | |
options.end(tagName, start, end); | |
} | |
} | |
} | |
} | |
/* */ | |
var defaultTagRE = /\{\{((?:.|\n)+?)\}\}/g; | |
var regexEscapeRE = /[-.*+?^${}()|[\]\/\\]/g; | |
var buildRegex = cached(function (delimiters) { | |
var open = delimiters[0].replace(regexEscapeRE, '\\$&'); | |
var close = delimiters[1].replace(regexEscapeRE, '\\$&'); | |
return new RegExp(open + '((?:.|\\n)+?)' + close, 'g') | |
}); | |
function parseText ( | |
text, | |
delimiters | |
) { | |
var tagRE = delimiters ? buildRegex(delimiters) : defaultTagRE; | |
if (!tagRE.test(text)) { | |
return | |
} | |
var tokens = []; | |
var lastIndex = tagRE.lastIndex = 0; | |
var match, index; | |
while ((match = tagRE.exec(text))) { | |
index = match.index; | |
// push text token | |
if (index > lastIndex) { | |
tokens.push(JSON.stringify(text.slice(lastIndex, index))); | |
} | |
// tag token | |
var exp = parseFilters(match[1].trim()); | |
tokens.push(("_s(" + exp + ")")); | |
lastIndex = index + match[0].length; | |
} | |
if (lastIndex < text.length) { | |
tokens.push(JSON.stringify(text.slice(lastIndex))); | |
} | |
return tokens.join('+') | |
} | |
/* */ | |
var onRE = /^@|^v-on:/; | |
var dirRE = /^v-|^@|^:/; | |
var forAliasRE = /(.*?)\s+(?:in|of)\s+(.*)/; | |
var forIteratorRE = /\((\{[^}]*\}|[^,]*),([^,]*)(?:,([^,]*))?\)/; | |
var argRE = /:(.*)$/; | |
var bindRE = /^:|^v-bind:/; | |
var modifierRE = /\.[^.]+/g; | |
var decodeHTMLCached = cached(decode); | |
// configurable state | |
var warn$2; | |
var delimiters; | |
var transforms; | |
var preTransforms; | |
var postTransforms; | |
var platformIsPreTag; | |
var platformMustUseProp; | |
var platformGetTagNamespace; | |
/** | |
* Convert HTML string to AST. | |
*/ | |
function parse ( | |
template, | |
options | |
) { | |
warn$2 = options.warn || baseWarn; | |
platformGetTagNamespace = options.getTagNamespace || no; | |
platformMustUseProp = options.mustUseProp || no; | |
platformIsPreTag = options.isPreTag || no; | |
preTransforms = pluckModuleFunction(options.modules, 'preTransformNode'); | |
transforms = pluckModuleFunction(options.modules, 'transformNode'); | |
postTransforms = pluckModuleFunction(options.modules, 'postTransformNode'); | |
delimiters = options.delimiters; | |
var stack = []; | |
var preserveWhitespace = options.preserveWhitespace !== false; | |
var root; | |
var currentParent; | |
var inVPre = false; | |
var inPre = false; | |
var warned = false; | |
function warnOnce (msg) { | |
if (!warned) { | |
warned = true; | |
warn$2(msg); | |
} | |
} | |
function endPre (element) { | |
// check pre state | |
if (element.pre) { | |
inVPre = false; | |
} | |
if (platformIsPreTag(element.tag)) { | |
inPre = false; | |
} | |
} | |
parseHTML(template, { | |
warn: warn$2, | |
expectHTML: options.expectHTML, | |
isUnaryTag: options.isUnaryTag, | |
canBeLeftOpenTag: options.canBeLeftOpenTag, | |
shouldDecodeNewlines: options.shouldDecodeNewlines, | |
start: function start (tag, attrs, unary) { | |
// check namespace. | |
// inherit parent ns if there is one | |
var ns = (currentParent && currentParent.ns) || platformGetTagNamespace(tag); | |
// handle IE svg bug | |
/* istanbul ignore if */ | |
if (isIE && ns === 'svg') { | |
attrs = guardIESVGBug(attrs); | |
} | |
var element = { | |
type: 1, | |
tag: tag, | |
attrsList: attrs, | |
attrsMap: makeAttrsMap(attrs), | |
parent: currentParent, | |
children: [] | |
}; | |
if (ns) { | |
element.ns = ns; | |
} | |
if (isForbiddenTag(element) && !isServerRendering()) { | |
element.forbidden = true; | |
"development" !== 'production' && warn$2( | |
'Templates should only be responsible for mapping the state to the ' + | |
'UI. Avoid placing tags with side-effects in your templates, such as ' + | |
"<" + tag + ">" + ', as they will not be parsed.' | |
); | |
} | |
// apply pre-transforms | |
for (var i = 0; i < preTransforms.length; i++) { | |
preTransforms[i](element, options); | |
} | |
if (!inVPre) { | |
processPre(element); | |
if (element.pre) { | |
inVPre = true; | |
} | |
} | |
if (platformIsPreTag(element.tag)) { | |
inPre = true; | |
} | |
if (inVPre) { | |
processRawAttrs(element); | |
} else { | |
processFor(element); | |
processIf(element); | |
processOnce(element); | |
processKey(element); | |
// determine whether this is a plain element after | |
// removing structural attributes | |
element.plain = !element.key && !attrs.length; | |
processRef(element); | |
processSlot(element); | |
processComponent(element); | |
for (var i$1 = 0; i$1 < transforms.length; i$1++) { | |
transforms[i$1](element, options); | |
} | |
processAttrs(element); | |
} | |
function checkRootConstraints (el) { | |
{ | |
if (el.tag === 'slot' || el.tag === 'template') { | |
warnOnce( | |
"Cannot use <" + (el.tag) + "> as component root element because it may " + | |
'contain multiple nodes.' | |
); | |
} | |
if (el.attrsMap.hasOwnProperty('v-for')) { | |
warnOnce( | |
'Cannot use v-for on stateful component root element because ' + | |
'it renders multiple elements.' | |
); | |
} | |
} | |
} | |
// tree management | |
if (!root) { | |
root = element; | |
checkRootConstraints(root); | |
} else if (!stack.length) { | |
// allow root elements with v-if, v-else-if and v-else | |
if (root.if && (element.elseif || element.else)) { | |
checkRootConstraints(element); | |
addIfCondition(root, { | |
exp: element.elseif, | |
block: element | |
}); | |
} else { | |
warnOnce( | |
"Component template should contain exactly one root element. " + | |
"If you are using v-if on multiple elements, " + | |
"use v-else-if to chain them instead." | |
); | |
} | |
} | |
if (currentParent && !element.forbidden) { | |
if (element.elseif || element.else) { | |
processIfConditions(element, currentParent); | |
} else if (element.slotScope) { // scoped slot | |
currentParent.plain = false; | |
var name = element.slotTarget || '"default"';(currentParent.scopedSlots || (currentParent.scopedSlots = {}))[name] = element; | |
} else { | |
currentParent.children.push(element); | |
element.parent = currentParent; | |
} | |
} | |
if (!unary) { | |
currentParent = element; | |
stack.push(element); | |
} else { | |
endPre(element); | |
} | |
// apply post-transforms | |
for (var i$2 = 0; i$2 < postTransforms.length; i$2++) { | |
postTransforms[i$2](element, options); | |
} | |
}, | |
end: function end () { | |
// remove trailing whitespace | |
var element = stack[stack.length - 1]; | |
var lastNode = element.children[element.children.length - 1]; | |
if (lastNode && lastNode.type === 3 && lastNode.text === ' ' && !inPre) { | |
element.children.pop(); | |
} | |
// pop stack | |
stack.length -= 1; | |
currentParent = stack[stack.length - 1]; | |
endPre(element); | |
}, | |
chars: function chars (text) { | |
if (!currentParent) { | |
{ | |
if (text === template) { | |
warnOnce( | |
'Component template requires a root element, rather than just text.' | |
); | |
} else if ((text = text.trim())) { | |
warnOnce( | |
("text \"" + text + "\" outside root element will be ignored.") | |
); | |
} | |
} | |
return | |
} | |
// IE textarea placeholder bug | |
/* istanbul ignore if */ | |
if (isIE && | |
currentParent.tag === 'textarea' && | |
currentParent.attrsMap.placeholder === text | |
) { | |
return | |
} | |
var children = currentParent.children; | |
text = inPre || text.trim() | |
? isTextTag(currentParent) ? text : decodeHTMLCached(text) | |
// only preserve whitespace if its not right after a starting tag | |
: preserveWhitespace && children.length ? ' ' : ''; | |
if (text) { | |
var expression; | |
if (!inVPre && text !== ' ' && (expression = parseText(text, delimiters))) { | |
children.push({ | |
type: 2, | |
expression: expression, | |
text: text | |
}); | |
} else if (text !== ' ' || !children.length || children[children.length - 1].text !== ' ') { | |
children.push({ | |
type: 3, | |
text: text | |
}); | |
} | |
} | |
} | |
}); | |
return root | |
} | |
function processPre (el) { | |
if (getAndRemoveAttr(el, 'v-pre') != null) { | |
el.pre = true; | |
} | |
} | |
function processRawAttrs (el) { | |
var l = el.attrsList.length; | |
if (l) { | |
var attrs = el.attrs = new Array(l); | |
for (var i = 0; i < l; i++) { | |
attrs[i] = { | |
name: el.attrsList[i].name, | |
value: JSON.stringify(el.attrsList[i].value) | |
}; | |
} | |
} else if (!el.pre) { | |
// non root node in pre blocks with no attributes | |
el.plain = true; | |
} | |
} | |
function processKey (el) { | |
var exp = getBindingAttr(el, 'key'); | |
if (exp) { | |
if ("development" !== 'production' && el.tag === 'template') { | |
warn$2("<template> cannot be keyed. Place the key on real elements instead."); | |
} | |
el.key = exp; | |
} | |
} | |
function processRef (el) { | |
var ref = getBindingAttr(el, 'ref'); | |
if (ref) { | |
el.ref = ref; | |
el.refInFor = checkInFor(el); | |
} | |
} | |
function processFor (el) { | |
var exp; | |
if ((exp = getAndRemoveAttr(el, 'v-for'))) { | |
var inMatch = exp.match(forAliasRE); | |
if (!inMatch) { | |
"development" !== 'production' && warn$2( | |
("Invalid v-for expression: " + exp) | |
); | |
return | |
} | |
el.for = inMatch[2].trim(); | |
var alias = inMatch[1].trim(); | |
var iteratorMatch = alias.match(forIteratorRE); | |
if (iteratorMatch) { | |
el.alias = iteratorMatch[1].trim(); | |
el.iterator1 = iteratorMatch[2].trim(); | |
if (iteratorMatch[3]) { | |
el.iterator2 = iteratorMatch[3].trim(); | |
} | |
} else { | |
el.alias = alias; | |
} | |
} | |
} | |
function processIf (el) { | |
var exp = getAndRemoveAttr(el, 'v-if'); | |
if (exp) { | |
el.if = exp; | |
addIfCondition(el, { | |
exp: exp, | |
block: el | |
}); | |
} else { | |
if (getAndRemoveAttr(el, 'v-else') != null) { | |
el.else = true; | |
} | |
var elseif = getAndRemoveAttr(el, 'v-else-if'); | |
if (elseif) { | |
el.elseif = elseif; | |
} | |
} | |
} | |
function processIfConditions (el, parent) { | |
var prev = findPrevElement(parent.children); | |
if (prev && prev.if) { | |
addIfCondition(prev, { | |
exp: el.elseif, | |
block: el | |
}); | |
} else { | |
warn$2( | |
"v-" + (el.elseif ? ('else-if="' + el.elseif + '"') : 'else') + " " + | |
"used on element <" + (el.tag) + "> without corresponding v-if." | |
); | |
} | |
} | |
function findPrevElement (children) { | |
var i = children.length; | |
while (i--) { | |
if (children[i].type === 1) { | |
return children[i] | |
} else { | |
if ("development" !== 'production' && children[i].text !== ' ') { | |
warn$2( | |
"text \"" + (children[i].text.trim()) + "\" between v-if and v-else(-if) " + | |
"will be ignored." | |
); | |
} | |
children.pop(); | |
} | |
} | |
} | |
function addIfCondition (el, condition) { | |
if (!el.ifConditions) { | |
el.ifConditions = []; | |
} | |
el.ifConditions.push(condition); | |
} | |
function processOnce (el) { | |
var once$$1 = getAndRemoveAttr(el, 'v-once'); | |
if (once$$1 != null) { | |
el.once = true; | |
} | |
} | |
function processSlot (el) { | |
if (el.tag === 'slot') { | |
el.slotName = getBindingAttr(el, 'name'); | |
if ("development" !== 'production' && el.key) { | |
warn$2( | |
"`key` does not work on <slot> because slots are abstract outlets " + | |
"and can possibly expand into multiple elements. " + | |
"Use the key on a wrapping element instead." | |
); | |
} | |
} else { | |
var slotTarget = getBindingAttr(el, 'slot'); | |
if (slotTarget) { | |
el.slotTarget = slotTarget === '""' ? '"default"' : slotTarget; | |
} | |
if (el.tag === 'template') { | |
el.slotScope = getAndRemoveAttr(el, 'scope'); | |
} | |
} | |
} | |
function processComponent (el) { | |
var binding; | |
if ((binding = getBindingAttr(el, 'is'))) { | |
el.component = binding; | |
} | |
if (getAndRemoveAttr(el, 'inline-template') != null) { | |
el.inlineTemplate = true; | |
} | |
} | |
function processAttrs (el) { | |
var list = el.attrsList; | |
var i, l, name, rawName, value, modifiers, isProp; | |
for (i = 0, l = list.length; i < l; i++) { | |
name = rawName = list[i].name; | |
value = list[i].value; | |
if (dirRE.test(name)) { | |
// mark element as dynamic | |
el.hasBindings = true; | |
// modifiers | |
modifiers = parseModifiers(name); | |
if (modifiers) { | |
name = name.replace(modifierRE, ''); | |
} | |
if (bindRE.test(name)) { // v-bind | |
name = name.replace(bindRE, ''); | |
value = parseFilters(value); | |
isProp = false; | |
if (modifiers) { | |
if (modifiers.prop) { | |
isProp = true; | |
name = camelize(name); | |
if (name === 'innerHtml') { name = 'innerHTML'; } | |
} | |
if (modifiers.camel) { | |
name = camelize(name); | |
} | |
if (modifiers.sync) { | |
addHandler( | |
el, | |
("update:" + (camelize(name))), | |
genAssignmentCode(value, "$event") | |
); | |
} | |
} | |
if (isProp || platformMustUseProp(el.tag, el.attrsMap.type, name)) { | |
addProp(el, name, value); | |
} else { | |
addAttr(el, name, value); | |
} | |
} else if (onRE.test(name)) { // v-on | |
name = name.replace(onRE, ''); | |
addHandler(el, name, value, modifiers, false, warn$2); | |
} else { // normal directives | |
name = name.replace(dirRE, ''); | |
// parse arg | |
var argMatch = name.match(argRE); | |
var arg = argMatch && argMatch[1]; | |
if (arg) { | |
name = name.slice(0, -(arg.length + 1)); | |
} | |
addDirective(el, name, rawName, value, arg, modifiers); | |
if ("development" !== 'production' && name === 'model') { | |
checkForAliasModel(el, value); | |
} | |
} | |
} else { | |
// literal attribute | |
{ | |
var expression = parseText(value, delimiters); | |
if (expression) { | |
warn$2( | |
name + "=\"" + value + "\": " + | |
'Interpolation inside attributes has been removed. ' + | |
'Use v-bind or the colon shorthand instead. For example, ' + | |
'instead of <div id="{{ val }}">, use <div :id="val">.' | |
); | |
} | |
} | |
addAttr(el, name, JSON.stringify(value)); | |
} | |
} | |
} | |
function checkInFor (el) { | |
var parent = el; | |
while (parent) { | |
if (parent.for !== undefined) { | |
return true | |
} | |
parent = parent.parent; | |
} | |
return false | |
} | |
function parseModifiers (name) { | |
var match = name.match(modifierRE); | |
if (match) { | |
var ret = {}; | |
match.forEach(function (m) { ret[m.slice(1)] = true; }); | |
return ret | |
} | |
} | |
function makeAttrsMap (attrs) { | |
var map = {}; | |
for (var i = 0, l = attrs.length; i < l; i++) { | |
if ( | |
"development" !== 'production' && | |
map[attrs[i].name] && !isIE && !isEdge | |
) { | |
warn$2('duplicate attribute: ' + attrs[i].name); | |
} | |
map[attrs[i].name] = attrs[i].value; | |
} | |
return map | |
} | |
// for script (e.g. type="x/template") or style, do not decode content | |
function isTextTag (el) { | |
return el.tag === 'script' || el.tag === 'style' | |
} | |
function isForbiddenTag (el) { | |
return ( | |
el.tag === 'style' || | |
(el.tag === 'script' && ( | |
!el.attrsMap.type || | |
el.attrsMap.type === 'text/javascript' | |
)) | |
) | |
} | |
var ieNSBug = /^xmlns:NS\d+/; | |
var ieNSPrefix = /^NS\d+:/; | |
/* istanbul ignore next */ | |
function guardIESVGBug (attrs) { | |
var res = []; | |
for (var i = 0; i < attrs.length; i++) { | |
var attr = attrs[i]; | |
if (!ieNSBug.test(attr.name)) { | |
attr.name = attr.name.replace(ieNSPrefix, ''); | |
res.push(attr); | |
} | |
} | |
return res | |
} | |
function checkForAliasModel (el, value) { | |
var _el = el; | |
while (_el) { | |
if (_el.for && _el.alias === value) { | |
warn$2( | |
"<" + (el.tag) + " v-model=\"" + value + "\">: " + | |
"You are binding v-model directly to a v-for iteration alias. " + | |
"This will not be able to modify the v-for source array because " + | |
"writing to the alias is like modifying a function local variable. " + | |
"Consider using an array of objects and use v-model on an object property instead." | |
); | |
} | |
_el = _el.parent; | |
} | |
} | |
/* */ | |
var isStaticKey; | |
var isPlatformReservedTag; | |
var genStaticKeysCached = cached(genStaticKeys$1); | |
/** | |
* Goal of the optimizer: walk the generated template AST tree | |
* and detect sub-trees that are purely static, i.e. parts of | |
* the DOM that never needs to change. | |
* | |
* Once we detect these sub-trees, we can: | |
* | |
* 1. Hoist them into constants, so that we no longer need to | |
* create fresh nodes for them on each re-render; | |
* 2. Completely skip them in the patching process. | |
*/ | |
function optimize (root, options) { | |
if (!root) { return } | |
isStaticKey = genStaticKeysCached(options.staticKeys || ''); | |
isPlatformReservedTag = options.isReservedTag || no; | |
// first pass: mark all non-static nodes. | |
markStatic$1(root); | |
// second pass: mark static roots. | |
markStaticRoots(root, false); | |
} | |
function genStaticKeys$1 (keys) { | |
return makeMap( | |
'type,tag,attrsList,attrsMap,plain,parent,children,attrs' + | |
(keys ? ',' + keys : '') | |
) | |
} | |
function markStatic$1 (node) { | |
node.static = isStatic(node); | |
if (node.type === 1) { | |
// do not make component slot content static. this avoids | |
// 1. components not able to mutate slot nodes | |
// 2. static slot content fails for hot-reloading | |
if ( | |
!isPlatformReservedTag(node.tag) && | |
node.tag !== 'slot' && | |
node.attrsMap['inline-template'] == null | |
) { | |
return | |
} | |
for (var i = 0, l = node.children.length; i < l; i++) { | |
var child = node.children[i]; | |
markStatic$1(child); | |
if (!child.static) { | |
node.static = false; | |
} | |
} | |
} | |
} | |
function markStaticRoots (node, isInFor) { | |
if (node.type === 1) { | |
if (node.static || node.once) { | |
node.staticInFor = isInFor; | |
} | |
// For a node to qualify as a static root, it should have children that | |
// are not just static text. Otherwise the cost of hoisting out will | |
// outweigh the benefits and it's better off to just always render it fresh. | |
if (node.static && node.children.length && !( | |
node.children.length === 1 && | |
node.children[0].type === 3 | |
)) { | |
node.staticRoot = true; | |
return | |
} else { | |
node.staticRoot = false; | |
} | |
if (node.children) { | |
for (var i = 0, l = node.children.length; i < l; i++) { | |
markStaticRoots(node.children[i], isInFor || !!node.for); | |
} | |
} | |
if (node.ifConditions) { | |
walkThroughConditionsBlocks(node.ifConditions, isInFor); | |
} | |
} | |
} | |
function walkThroughConditionsBlocks (conditionBlocks, isInFor) { | |
for (var i = 1, len = conditionBlocks.length; i < len; i++) { | |
markStaticRoots(conditionBlocks[i].block, isInFor); | |
} | |
} | |
function isStatic (node) { | |
if (node.type === 2) { // expression | |
return false | |
} | |
if (node.type === 3) { // text | |
return true | |
} | |
return !!(node.pre || ( | |
!node.hasBindings && // no dynamic bindings | |
!node.if && !node.for && // not v-if or v-for or v-else | |
!isBuiltInTag(node.tag) && // not a built-in | |
isPlatformReservedTag(node.tag) && // not a component | |
!isDirectChildOfTemplateFor(node) && | |
Object.keys(node).every(isStaticKey) | |
)) | |
} | |
function isDirectChildOfTemplateFor (node) { | |
while (node.parent) { | |
node = node.parent; | |
if (node.tag !== 'template') { | |
return false | |
} | |
if (node.for) { | |
return true | |
} | |
} | |
return false | |
} | |
/* */ | |
var fnExpRE = /^\s*([\w$_]+|\([^)]*?\))\s*=>|^function\s*\(/; | |
var simplePathRE = /^\s*[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['.*?']|\[".*?"]|\[\d+]|\[[A-Za-z_$][\w$]*])*\s*$/; | |
// keyCode aliases | |
var keyCodes = { | |
esc: 27, | |
tab: 9, | |
enter: 13, | |
space: 32, | |
up: 38, | |
left: 37, | |
right: 39, | |
down: 40, | |
'delete': [8, 46] | |
}; | |
// #4868: modifiers that prevent the execution of the listener | |
// need to explicitly return null so that we can determine whether to remove | |
// the listener for .once | |
var genGuard = function (condition) { return ("if(" + condition + ")return null;"); }; | |
var modifierCode = { | |
stop: '$event.stopPropagation();', | |
prevent: '$event.preventDefault();', | |
self: genGuard("$event.target !== $event.currentTarget"), | |
ctrl: genGuard("!$event.ctrlKey"), | |
shift: genGuard("!$event.shiftKey"), | |
alt: genGuard("!$event.altKey"), | |
meta: genGuard("!$event.metaKey"), | |
left: genGuard("'button' in $event && $event.button !== 0"), | |
middle: genGuard("'button' in $event && $event.button !== 1"), | |
right: genGuard("'button' in $event && $event.button !== 2") | |
}; | |
function genHandlers ( | |
events, | |
isNative, | |
warn | |
) { | |
var res = isNative ? 'nativeOn:{' : 'on:{'; | |
for (var name in events) { | |
var handler = events[name]; | |
// #5330: warn click.right, since right clicks do not actually fire click events. | |
if ("development" !== 'production' && | |
name === 'click' && | |
handler && handler.modifiers && handler.modifiers.right | |
) { | |
warn( | |
"Use \"contextmenu\" instead of \"click.right\" since right clicks " + | |
"do not actually fire \"click\" events." | |
); | |
} | |
res += "\"" + name + "\":" + (genHandler(name, handler)) + ","; | |
} | |
return res.slice(0, -1) + '}' | |
} | |
function genHandler ( | |
name, | |
handler | |
) { | |
if (!handler) { | |
return 'function(){}' | |
} | |
if (Array.isArray(handler)) { | |
return ("[" + (handler.map(function (handler) { return genHandler(name, handler); }).join(',')) + "]") | |
} | |
var isMethodPath = simplePathRE.test(handler.value); | |
var isFunctionExpression = fnExpRE.test(handler.value); | |
if (!handler.modifiers) { | |
return isMethodPath || isFunctionExpression | |
? handler.value | |
: ("function($event){" + (handler.value) + "}") // inline statement | |
} else { | |
var code = ''; | |
var genModifierCode = ''; | |
var keys = []; | |
for (var key in handler.modifiers) { | |
if (modifierCode[key]) { | |
genModifierCode += modifierCode[key]; | |
// left/right | |
if (keyCodes[key]) { | |
keys.push(key); | |
} | |
} else { | |
keys.push(key); | |
} | |
} | |
if (keys.length) { | |
code += genKeyFilter(keys); | |
} | |
// Make sure modifiers like prevent and stop get executed after key filtering | |
if (genModifierCode) { | |
code += genModifierCode; | |
} | |
var handlerCode = isMethodPath | |
? handler.value + '($event)' | |
: isFunctionExpression | |
? ("(" + (handler.value) + ")($event)") | |
: handler.value; | |
return ("function($event){" + code + handlerCode + "}") | |
} | |
} | |
function genKeyFilter (keys) { | |
return ("if(!('button' in $event)&&" + (keys.map(genFilterCode).join('&&')) + ")return null;") | |
} | |
function genFilterCode (key) { | |
var keyVal = parseInt(key, 10); | |
if (keyVal) { | |
return ("$event.keyCode!==" + keyVal) | |
} | |
var alias = keyCodes[key]; | |
return ("_k($event.keyCode," + (JSON.stringify(key)) + (alias ? ',' + JSON.stringify(alias) : '') + ")") | |
} | |
/* */ | |
function bind$1 (el, dir) { | |
el.wrapData = function (code) { | |
return ("_b(" + code + ",'" + (el.tag) + "'," + (dir.value) + (dir.modifiers && dir.modifiers.prop ? ',true' : '') + ")") | |
}; | |
} | |
/* */ | |
var baseDirectives = { | |
bind: bind$1, | |
cloak: noop | |
}; | |
/* */ | |
// configurable state | |
var warn$3; | |
var transforms$1; | |
var dataGenFns; | |
var platformDirectives$1; | |
var isPlatformReservedTag$1; | |
var staticRenderFns; | |
var onceCount; | |
var currentOptions; | |
function generate ( | |
ast, | |
options | |
) { | |
// save previous staticRenderFns so generate calls can be nested | |
var prevStaticRenderFns = staticRenderFns; | |
var currentStaticRenderFns = staticRenderFns = []; | |
var prevOnceCount = onceCount; | |
onceCount = 0; | |
currentOptions = options; | |
warn$3 = options.warn || baseWarn; | |
transforms$1 = pluckModuleFunction(options.modules, 'transformCode'); | |
dataGenFns = pluckModuleFunction(options.modules, 'genData'); | |
platformDirectives$1 = options.directives || {}; | |
isPlatformReservedTag$1 = options.isReservedTag || no; | |
var code = ast ? genElement(ast) : '_c("div")'; | |
staticRenderFns = prevStaticRenderFns; | |
onceCount = prevOnceCount; | |
return { | |
render: ("with(this){return " + code + "}"), | |
staticRenderFns: currentStaticRenderFns | |
} | |
} | |
function genElement (el) { | |
if (el.staticRoot && !el.staticProcessed) { | |
return genStatic(el) | |
} else if (el.once && !el.onceProcessed) { | |
return genOnce(el) | |
} else if (el.for && !el.forProcessed) { | |
return genFor(el) | |
} else if (el.if && !el.ifProcessed) { | |
return genIf(el) | |
} else if (el.tag === 'template' && !el.slotTarget) { | |
return genChildren(el) || 'void 0' | |
} else if (el.tag === 'slot') { | |
return genSlot(el) | |
} else { | |
// component or element | |
var code; | |
if (el.component) { | |
code = genComponent(el.component, el); | |
} else { | |
var data = el.plain ? undefined : genData(el); | |
var children = el.inlineTemplate ? null : genChildren(el, true); | |
code = "_c('" + (el.tag) + "'" + (data ? ("," + data) : '') + (children ? ("," + children) : '') + ")"; | |
} | |
// module transforms | |
for (var i = 0; i < transforms$1.length; i++) { | |
code = transforms$1[i](el, code); | |
} | |
return code | |
} | |
} | |
// hoist static sub-trees out | |
function genStatic (el) { | |
el.staticProcessed = true; | |
staticRenderFns.push(("with(this){return " + (genElement(el)) + "}")); | |
return ("_m(" + (staticRenderFns.length - 1) + (el.staticInFor ? ',true' : '') + ")") | |
} | |
// v-once | |
function genOnce (el) { | |
el.onceProcessed = true; | |
if (el.if && !el.ifProcessed) { | |
return genIf(el) | |
} else if (el.staticInFor) { | |
var key = ''; | |
var parent = el.parent; | |
while (parent) { | |
if (parent.for) { | |
key = parent.key; | |
break | |
} | |
parent = parent.parent; | |
} | |
if (!key) { | |
"development" !== 'production' && warn$3( | |
"v-once can only be used inside v-for that is keyed. " | |
); | |
return genElement(el) | |
} | |
return ("_o(" + (genElement(el)) + "," + (onceCount++) + (key ? ("," + key) : "") + ")") | |
} else { | |
return genStatic(el) | |
} | |
} | |
function genIf (el) { | |
el.ifProcessed = true; // avoid recursion | |
return genIfConditions(el.ifConditions.slice()) | |
} | |
function genIfConditions (conditions) { | |
if (!conditions.length) { | |
return '_e()' | |
} | |
var condition = conditions.shift(); | |
if (condition.exp) { | |
return ("(" + (condition.exp) + ")?" + (genTernaryExp(condition.block)) + ":" + (genIfConditions(conditions))) | |
} else { | |
return ("" + (genTernaryExp(condition.block))) | |
} | |
// v-if with v-once should generate code like (a)?_m(0):_m(1) | |
function genTernaryExp (el) { | |
return el.once ? genOnce(el) : genElement(el) | |
} | |
} | |
function genFor (el) { | |
var exp = el.for; | |
var alias = el.alias; | |
var iterator1 = el.iterator1 ? ("," + (el.iterator1)) : ''; | |
var iterator2 = el.iterator2 ? ("," + (el.iterator2)) : ''; | |
if ( | |
"development" !== 'production' && | |
maybeComponent(el) && el.tag !== 'slot' && el.tag !== 'template' && !el.key | |
) { | |
warn$3( | |
"<" + (el.tag) + " v-for=\"" + alias + " in " + exp + "\">: component lists rendered with " + | |
"v-for should have explicit keys. " + | |
"See https://vuejs.org/guide/list.html#key for more info.", | |
true /* tip */ | |
); | |
} | |
el.forProcessed = true; // avoid recursion | |
return "_l((" + exp + ")," + | |
"function(" + alias + iterator1 + iterator2 + "){" + | |
"return " + (genElement(el)) + | |
'})' | |
} | |
function genData (el) { | |
var data = '{'; | |
// directives first. | |
// directives may mutate the el's other properties before they are generated. | |
var dirs = genDirectives(el); | |
if (dirs) { data += dirs + ','; } | |
// key | |
if (el.key) { | |
data += "key:" + (el.key) + ","; | |
} | |
// ref | |
if (el.ref) { | |
data += "ref:" + (el.ref) + ","; | |
} | |
if (el.refInFor) { | |
data += "refInFor:true,"; | |
} | |
// pre | |
if (el.pre) { | |
data += "pre:true,"; | |
} | |
// record original tag name for components using "is" attribute | |
if (el.component) { | |
data += "tag:\"" + (el.tag) + "\","; | |
} | |
// module data generation functions | |
for (var i = 0; i < dataGenFns.length; i++) { | |
data += dataGenFns[i](el); | |
} | |
// attributes | |
if (el.attrs) { | |
data += "attrs:{" + (genProps(el.attrs)) + "},"; | |
} | |
// DOM props | |
if (el.props) { | |
data += "domProps:{" + (genProps(el.props)) + "},"; | |
} | |
// event handlers | |
if (el.events) { | |
data += (genHandlers(el.events, false, warn$3)) + ","; | |
} | |
if (el.nativeEvents) { | |
data += (genHandlers(el.nativeEvents, true, warn$3)) + ","; | |
} | |
// slot target | |
if (el.slotTarget) { | |
data += "slot:" + (el.slotTarget) + ","; | |
} | |
// scoped slots | |
if (el.scopedSlots) { | |
data += (genScopedSlots(el.scopedSlots)) + ","; | |
} | |
// component v-model | |
if (el.model) { | |
data += "model:{value:" + (el.model.value) + ",callback:" + (el.model.callback) + ",expression:" + (el.model.expression) + "},"; | |
} | |
// inline-template | |
if (el.inlineTemplate) { | |
var inlineTemplate = genInlineTemplate(el); | |
if (inlineTemplate) { | |
data += inlineTemplate + ","; | |
} | |
} | |
data = data.replace(/,$/, '') + '}'; | |
// v-bind data wrap | |
if (el.wrapData) { | |
data = el.wrapData(data); | |
} | |
return data | |
} | |
function genDirectives (el) { | |
var dirs = el.directives; | |
if (!dirs) { return } | |
var res = 'directives:['; | |
var hasRuntime = false; | |
var i, l, dir, needRuntime; | |
for (i = 0, l = dirs.length; i < l; i++) { | |
dir = dirs[i]; | |
needRuntime = true; | |
var gen = platformDirectives$1[dir.name] || baseDirectives[dir.name]; | |
if (gen) { | |
// compile-time directive that manipulates AST. | |
// returns true if it also needs a runtime counterpart. | |
needRuntime = !!gen(el, dir, warn$3); | |
} | |
if (needRuntime) { | |
hasRuntime = true; | |
res += "{name:\"" + (dir.name) + "\",rawName:\"" + (dir.rawName) + "\"" + (dir.value ? (",value:(" + (dir.value) + "),expression:" + (JSON.stringify(dir.value))) : '') + (dir.arg ? (",arg:\"" + (dir.arg) + "\"") : '') + (dir.modifiers ? (",modifiers:" + (JSON.stringify(dir.modifiers))) : '') + "},"; | |
} | |
} | |
if (hasRuntime) { | |
return res.slice(0, -1) + ']' | |
} | |
} | |
function genInlineTemplate (el) { | |
var ast = el.children[0]; | |
if ("development" !== 'production' && ( | |
el.children.length > 1 || ast.type !== 1 | |
)) { | |
warn$3('Inline-template components must have exactly one child element.'); | |
} | |
if (ast.type === 1) { | |
var inlineRenderFns = generate(ast, currentOptions); | |
return ("inlineTemplate:{render:function(){" + (inlineRenderFns.render) + "},staticRenderFns:[" + (inlineRenderFns.staticRenderFns.map(function (code) { return ("function(){" + code + "}"); }).join(',')) + "]}") | |
} | |
} | |
function genScopedSlots (slots) { | |
return ("scopedSlots:_u([" + (Object.keys(slots).map(function (key) { return genScopedSlot(key, slots[key]); }).join(',')) + "])") | |
} | |
function genScopedSlot (key, el) { | |
if (el.for && !el.forProcessed) { | |
return genForScopedSlot(key, el) | |
} | |
return "{key:" + key + ",fn:function(" + (String(el.attrsMap.scope)) + "){" + | |
"return " + (el.tag === 'template' | |
? genChildren(el) || 'void 0' | |
: genElement(el)) + "}}" | |
} | |
function genForScopedSlot (key, el) { | |
var exp = el.for; | |
var alias = el.alias; | |
var iterator1 = el.iterator1 ? ("," + (el.iterator1)) : ''; | |
var iterator2 = el.iterator2 ? ("," + (el.iterator2)) : ''; | |
el.forProcessed = true; // avoid recursion | |
return "_l((" + exp + ")," + | |
"function(" + alias + iterator1 + iterator2 + "){" + | |
"return " + (genScopedSlot(key, el)) + | |
'})' | |
} | |
function genChildren (el, checkSkip) { | |
var children = el.children; | |
if (children.length) { | |
var el$1 = children[0]; | |
// optimize single v-for | |
if (children.length === 1 && | |
el$1.for && | |
el$1.tag !== 'template' && | |
el$1.tag !== 'slot' | |
) { | |
return genElement(el$1) | |
} | |
var normalizationType = checkSkip ? getNormalizationType(children) : 0; | |
return ("[" + (children.map(genNode).join(',')) + "]" + (normalizationType ? ("," + normalizationType) : '')) | |
} | |
} | |
// determine the normalization needed for the children array. | |
// 0: no normalization needed | |
// 1: simple normalization needed (possible 1-level deep nested array) | |
// 2: full normalization needed | |
function getNormalizationType (children) { | |
var res = 0; | |
for (var i = 0; i < children.length; i++) { | |
var el = children[i]; | |
if (el.type !== 1) { | |
continue | |
} | |
if (needsNormalization(el) || | |
(el.ifConditions && el.ifConditions.some(function (c) { return needsNormalization(c.block); }))) { | |
res = 2; | |
break | |
} | |
if (maybeComponent(el) || | |
(el.ifConditions && el.ifConditions.some(function (c) { return maybeComponent(c.block); }))) { | |
res = 1; | |
} | |
} | |
return res | |
} | |
function needsNormalization (el) { | |
return el.for !== undefined || el.tag === 'template' || el.tag === 'slot' | |
} | |
function maybeComponent (el) { | |
return !isPlatformReservedTag$1(el.tag) | |
} | |
function genNode (node) { | |
if (node.type === 1) { | |
return genElement(node) | |
} else { | |
return genText(node) | |
} | |
} | |
function genText (text) { | |
return ("_v(" + (text.type === 2 | |
? text.expression // no need for () because already wrapped in _s() | |
: transformSpecialNewlines(JSON.stringify(text.text))) + ")") | |
} | |
function genSlot (el) { | |
var slotName = el.slotName || '"default"'; | |
var children = genChildren(el); | |
var res = "_t(" + slotName + (children ? ("," + children) : ''); | |
var attrs = el.attrs && ("{" + (el.attrs.map(function (a) { return ((camelize(a.name)) + ":" + (a.value)); }).join(',')) + "}"); | |
var bind$$1 = el.attrsMap['v-bind']; | |
if ((attrs || bind$$1) && !children) { | |
res += ",null"; | |
} | |
if (attrs) { | |
res += "," + attrs; | |
} | |
if (bind$$1) { | |
res += (attrs ? '' : ',null') + "," + bind$$1; | |
} | |
return res + ')' | |
} | |
// componentName is el.component, take it as argument to shun flow's pessimistic refinement | |
function genComponent (componentName, el) { | |
var children = el.inlineTemplate ? null : genChildren(el, true); | |
return ("_c(" + componentName + "," + (genData(el)) + (children ? ("," + children) : '') + ")") | |
} | |
function genProps (props) { | |
var res = ''; | |
for (var i = 0; i < props.length; i++) { | |
var prop = props[i]; | |
res += "\"" + (prop.name) + "\":" + (transformSpecialNewlines(prop.value)) + ","; | |
} | |
return res.slice(0, -1) | |
} | |
// #3895, #4268 | |
function transformSpecialNewlines (text) { | |
return text | |
.replace(/\u2028/g, '\\u2028') | |
.replace(/\u2029/g, '\\u2029') | |
} | |
/* */ | |
// these keywords should not appear inside expressions, but operators like | |
// typeof, instanceof and in are allowed | |
var prohibitedKeywordRE = new RegExp('\\b' + ( | |
'do,if,for,let,new,try,var,case,else,with,await,break,catch,class,const,' + | |
'super,throw,while,yield,delete,export,import,return,switch,default,' + | |
'extends,finally,continue,debugger,function,arguments' | |
).split(',').join('\\b|\\b') + '\\b'); | |
// these unary operators should not be used as property/method names | |
var unaryOperatorsRE = new RegExp('\\b' + ( | |
'delete,typeof,void' | |
).split(',').join('\\s*\\([^\\)]*\\)|\\b') + '\\s*\\([^\\)]*\\)'); | |
// check valid identifier for v-for | |
var identRE = /[A-Za-z_$][\w$]*/; | |
// strip strings in expressions | |
var stripStringRE = /'(?:[^'\\]|\\.)*'|"(?:[^"\\]|\\.)*"|`(?:[^`\\]|\\.)*\$\{|\}(?:[^`\\]|\\.)*`|`(?:[^`\\]|\\.)*`/g; | |
// detect problematic expressions in a template | |
function detectErrors (ast) { | |
var errors = []; | |
if (ast) { | |
checkNode(ast, errors); | |
} | |
return errors | |
} | |
function checkNode (node, errors) { | |
if (node.type === 1) { | |
for (var name in node.attrsMap) { | |
if (dirRE.test(name)) { | |
var value = node.attrsMap[name]; | |
if (value) { | |
if (name === 'v-for') { | |
checkFor(node, ("v-for=\"" + value + "\""), errors); | |
} else if (onRE.test(name)) { | |
checkEvent(value, (name + "=\"" + value + "\""), errors); | |
} else { | |
checkExpression(value, (name + "=\"" + value + "\""), errors); | |
} | |
} | |
} | |
} | |
if (node.children) { | |
for (var i = 0; i < node.children.length; i++) { | |
checkNode(node.children[i], errors); | |
} | |
} | |
} else if (node.type === 2) { | |
checkExpression(node.expression, node.text, errors); | |
} | |
} | |
function checkEvent (exp, text, errors) { | |
var stipped = exp.replace(stripStringRE, ''); | |
var keywordMatch = stipped.match(unaryOperatorsRE); | |
if (keywordMatch && stipped.charAt(keywordMatch.index - 1) !== '$') { | |
errors.push( | |
"avoid using JavaScript unary operator as property name: " + | |
"\"" + (keywordMatch[0]) + "\" in expression " + (text.trim()) | |
); | |
} | |
checkExpression(exp, text, errors); | |
} | |
function checkFor (node, text, errors) { | |
checkExpression(node.for || '', text, errors); | |
checkIdentifier(node.alias, 'v-for alias', text, errors); | |
checkIdentifier(node.iterator1, 'v-for iterator', text, errors); | |
checkIdentifier(node.iterator2, 'v-for iterator', text, errors); | |
} | |
function checkIdentifier (ident, type, text, errors) { | |
if (typeof ident === 'string' && !identRE.test(ident)) { | |
errors.push(("invalid " + type + " \"" + ident + "\" in expression: " + (text.trim()))); | |
} | |
} | |
function checkExpression (exp, text, errors) { | |
try { | |
new Function(("return " + exp)); | |
} catch (e) { | |
var keywordMatch = exp.replace(stripStringRE, '').match(prohibitedKeywordRE); | |
if (keywordMatch) { | |
errors.push( | |
"avoid using JavaScript keyword as property name: " + | |
"\"" + (keywordMatch[0]) + "\" in expression " + (text.trim()) | |
); | |
} else { | |
errors.push(("invalid expression: " + (text.trim()))); | |
} | |
} | |
} | |
/* */ | |
function baseCompile ( | |
template, | |
options | |
) { | |
var ast = parse(template.trim(), options); | |
optimize(ast, options); | |
var code = generate(ast, options); | |
return { | |
ast: ast, | |
render: code.render, | |
staticRenderFns: code.staticRenderFns | |
} | |
} | |
function makeFunction (code, errors) { | |
try { | |
return new Function(code) | |
} catch (err) { | |
errors.push({ err: err, code: code }); | |
return noop | |
} | |
} | |
function createCompiler (baseOptions) { | |
var functionCompileCache = Object.create(null); | |
function compile ( | |
template, | |
options | |
) { | |
var finalOptions = Object.create(baseOptions); | |
var errors = []; | |
var tips = []; | |
finalOptions.warn = function (msg, tip$$1) { | |
(tip$$1 ? tips : errors).push(msg); | |
}; | |
if (options) { | |
// merge custom modules | |
if (options.modules) { | |
finalOptions.modules = (baseOptions.modules || []).concat(options.modules); | |
} | |
// merge custom directives | |
if (options.directives) { | |
finalOptions.directives = extend( | |
Object.create(baseOptions.directives), | |
options.directives | |
); | |
} | |
// copy other options | |
for (var key in options) { | |
if (key !== 'modules' && key !== 'directives') { | |
finalOptions[key] = options[key]; | |
} | |
} | |
} | |
var compiled = baseCompile(template, finalOptions); | |
{ | |
errors.push.apply(errors, detectErrors(compiled.ast)); | |
} | |
compiled.errors = errors; | |
compiled.tips = tips; | |
return compiled | |
} | |
function compileToFunctions ( | |
template, | |
options, | |
vm | |
) { | |
options = options || {}; | |
/* istanbul ignore if */ | |
{ | |
// detect possible CSP restriction | |
try { | |
new Function('return 1'); | |
} catch (e) { | |
if (e.toString().match(/unsafe-eval|CSP/)) { | |
warn( | |
'It seems you are using the standalone build of Vue.js in an ' + | |
'environment with Content Security Policy that prohibits unsafe-eval. ' + | |
'The template compiler cannot work in this environment. Consider ' + | |
'relaxing the policy to allow unsafe-eval or pre-compiling your ' + | |
'templates into render functions.' | |
); | |
} | |
} | |
} | |
// check cache | |
var key = options.delimiters | |
? String(options.delimiters) + template | |
: template; | |
if (functionCompileCache[key]) { | |
return functionCompileCache[key] | |
} | |
// compile | |
var compiled = compile(template, options); | |
// check compilation errors/tips | |
{ | |
if (compiled.errors && compiled.errors.length) { | |
warn( | |
"Error compiling template:\n\n" + template + "\n\n" + | |
compiled.errors.map(function (e) { return ("- " + e); }).join('\n') + '\n', | |
vm | |
); | |
} | |
if (compiled.tips && compiled.tips.length) { | |
compiled.tips.forEach(function (msg) { return tip(msg, vm); }); | |
} | |
} | |
// turn code into functions | |
var res = {}; | |
var fnGenErrors = []; | |
res.render = makeFunction(compiled.render, fnGenErrors); | |
var l = compiled.staticRenderFns.length; | |
res.staticRenderFns = new Array(l); | |
for (var i = 0; i < l; i++) { | |
res.staticRenderFns[i] = makeFunction(compiled.staticRenderFns[i], fnGenErrors); | |
} | |
// check function generation errors. | |
// this should only happen if there is a bug in the compiler itself. | |
// mostly for codegen development use | |
/* istanbul ignore if */ | |
{ | |
if ((!compiled.errors || !compiled.errors.length) && fnGenErrors.length) { | |
warn( | |
"Failed to generate render function:\n\n" + | |
fnGenErrors.map(function (ref) { | |
var err = ref.err; | |
var code = ref.code; | |
return ((err.toString()) + " in\n\n" + code + "\n"); | |
}).join('\n'), | |
vm | |
); | |
} | |
} | |
return (functionCompileCache[key] = res) | |
} | |
return { | |
compile: compile, | |
compileToFunctions: compileToFunctions | |
} | |
} | |
/* */ | |
function transformNode (el, options) { | |
var warn = options.warn || baseWarn; | |
var staticClass = getAndRemoveAttr(el, 'class'); | |
if ("development" !== 'production' && staticClass) { | |
var expression = parseText(staticClass, options.delimiters); | |
if (expression) { | |
warn( | |
"class=\"" + staticClass + "\": " + | |
'Interpolation inside attributes has been removed. ' + | |
'Use v-bind or the colon shorthand instead. For example, ' + | |
'instead of <div class="{{ val }}">, use <div :class="val">.' | |
); | |
} | |
} | |
if (staticClass) { | |
el.staticClass = JSON.stringify(staticClass); | |
} | |
var classBinding = getBindingAttr(el, 'class', false /* getStatic */); | |
if (classBinding) { | |
el.classBinding = classBinding; | |
} | |
} | |
function genData$1 (el) { | |
var data = ''; | |
if (el.staticClass) { | |
data += "staticClass:" + (el.staticClass) + ","; | |
} | |
if (el.classBinding) { | |
data += "class:" + (el.classBinding) + ","; | |
} | |
return data | |
} | |
var klass$1 = { | |
staticKeys: ['staticClass'], | |
transformNode: transformNode, | |
genData: genData$1 | |
}; | |
/* */ | |
function transformNode$1 (el, options) { | |
var warn = options.warn || baseWarn; | |
var staticStyle = getAndRemoveAttr(el, 'style'); | |
if (staticStyle) { | |
/* istanbul ignore if */ | |
{ | |
var expression = parseText(staticStyle, options.delimiters); | |
if (expression) { | |
warn( | |
"style=\"" + staticStyle + "\": " + | |
'Interpolation inside attributes has been removed. ' + | |
'Use v-bind or the colon shorthand instead. For example, ' + | |
'instead of <div style="{{ val }}">, use <div :style="val">.' | |
); | |
} | |
} | |
el.staticStyle = JSON.stringify(parseStyleText(staticStyle)); | |
} | |
var styleBinding = getBindingAttr(el, 'style', false /* getStatic */); | |
if (styleBinding) { | |
el.styleBinding = styleBinding; | |
} | |
} | |
function genData$2 (el) { | |
var data = ''; | |
if (el.staticStyle) { | |
data += "staticStyle:" + (el.staticStyle) + ","; | |
} | |
if (el.styleBinding) { | |
data += "style:(" + (el.styleBinding) + "),"; | |
} | |
return data | |
} | |
var style$1 = { | |
staticKeys: ['staticStyle'], | |
transformNode: transformNode$1, | |
genData: genData$2 | |
}; | |
var modules$1 = [ | |
klass$1, | |
style$1 | |
]; | |
/* */ | |
function text (el, dir) { | |
if (dir.value) { | |
addProp(el, 'textContent', ("_s(" + (dir.value) + ")")); | |
} | |
} | |
/* */ | |
function html (el, dir) { | |
if (dir.value) { | |
addProp(el, 'innerHTML', ("_s(" + (dir.value) + ")")); | |
} | |
} | |
var directives$1 = { | |
model: model, | |
text: text, | |
html: html | |
}; | |
/* */ | |
var baseOptions = { | |
expectHTML: true, | |
modules: modules$1, | |
directives: directives$1, | |
isPreTag: isPreTag, | |
isUnaryTag: isUnaryTag, | |
mustUseProp: mustUseProp, | |
canBeLeftOpenTag: canBeLeftOpenTag, | |
isReservedTag: isReservedTag, | |
getTagNamespace: getTagNamespace, | |
staticKeys: genStaticKeys(modules$1) | |
}; | |
var ref$1 = createCompiler(baseOptions); | |
var compileToFunctions = ref$1.compileToFunctions; | |
/* */ | |
var idToTemplate = cached(function (id) { | |
var el = query(id); | |
return el && el.innerHTML | |
}); | |
var mount = Vue$3.prototype.$mount; | |
Vue$3.prototype.$mount = function ( | |
el, | |
hydrating | |
) { | |
el = el && query(el); | |
/* istanbul ignore if */ | |
if (el === document.body || el === document.documentElement) { | |
"development" !== 'production' && warn( | |
"Do not mount Vue to <html> or <body> - mount to normal elements instead." | |
); | |
return this | |
} | |
var options = this.$options; | |
// resolve template/el and convert to render function | |
if (!options.render) { | |
var template = options.template; | |
if (template) { | |
if (typeof template === 'string') { | |
if (template.charAt(0) === '#') { | |
template = idToTemplate(template); | |
/* istanbul ignore if */ | |
if ("development" !== 'production' && !template) { | |
warn( | |
("Template element not found or is empty: " + (options.template)), | |
this | |
); | |
} | |
} | |
} else if (template.nodeType) { | |
template = template.innerHTML; | |
} else { | |
{ | |
warn('invalid template option:' + template, this); | |
} | |
return this | |
} | |
} else if (el) { | |
template = getOuterHTML(el); | |
} | |
if (template) { | |
/* istanbul ignore if */ | |
if ("development" !== 'production' && config.performance && mark) { | |
mark('compile'); | |
} | |
var ref = compileToFunctions(template, { | |
shouldDecodeNewlines: shouldDecodeNewlines, | |
delimiters: options.delimiters | |
}, this); | |
var render = ref.render; | |
var staticRenderFns = ref.staticRenderFns; | |
options.render = render; | |
options.staticRenderFns = staticRenderFns; | |
/* istanbul ignore if */ | |
if ("development" !== 'production' && config.performance && mark) { | |
mark('compile end'); | |
measure(((this._name) + " compile"), 'compile', 'compile end'); | |
} | |
} | |
} | |
return mount.call(this, el, hydrating) | |
}; | |
/** | |
* Get outerHTML of elements, taking care | |
* of SVG elements in IE as well. | |
*/ | |
function getOuterHTML (el) { | |
if (el.outerHTML) { | |
return el.outerHTML | |
} else { | |
var container = document.createElement('div'); | |
container.appendChild(el.cloneNode(true)); | |
return container.innerHTML | |
} | |
} | |
Vue$3.compile = compileToFunctions; | |
return Vue$3; | |
}))); |
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