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June 11, 2016 07:49
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/*! | |
* Vue.js v2.0.0-alpha.1 | |
* (c) 2014-2016 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'; | |
/** | |
* Convert a value to a string that is actually rendered. | |
*/ | |
function renderString(val) { | |
return val == null ? '' : typeof val === 'object' ? JSON.stringify(val, null, 2) : String(val); | |
} | |
/** | |
* 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,render,transition', 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); | |
} | |
/** | |
* Check if value is primitive | |
*/ | |
function isPrimitive(value) { | |
return typeof value === 'string' || typeof value === 'number'; | |
} | |
/** | |
* 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-delmited 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\d])([A-Z])/g; | |
var hyphenate = cached(function (str) { | |
return str.replace(hyphenateRE, '$1-$2').toLowerCase(); | |
}); | |
/** | |
* Simple bind, faster than native | |
*/ | |
function bind(fn, ctx) { | |
return function (a) { | |
var l = arguments.length; | |
return l ? l > 1 ? fn.apply(ctx, arguments) : fn.call(ctx, a) : fn.call(ctx); | |
}; | |
} | |
/** | |
* 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; | |
} | |
/** | |
* 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'; | |
} | |
/** | |
* Strict object type check. Only returns true | |
* for plain JavaScript objects. | |
*/ | |
var toString = Object.prototype.toString; | |
var OBJECT_STRING = '[object Object]'; | |
function isPlainObject(obj) { | |
return toString.call(obj) === OBJECT_STRING; | |
} | |
/** | |
* Merge an Array of Objects into a single Object. | |
*/ | |
function toObject(arr) { | |
var res = arr[0] || {}; | |
for (var i = 1; i < arr.length; i++) { | |
if (arr[i]) { | |
extend(res, arr[i]); | |
} | |
} | |
return res; | |
} | |
/** | |
* Perform no operation. | |
*/ | |
function noop() {} | |
/** | |
* Always return false. | |
*/ | |
var no = function no() { | |
return false; | |
}; | |
/** | |
* Generate a static keys string from compiler modules. | |
*/ | |
function genStaticKeys(modules) { | |
return modules.reduce(function (keys, m) { | |
return keys.concat(m.staticKeys || []); | |
}, []).join(','); | |
} | |
var config = { | |
/** | |
* Option merge strategies (used in core/util/options) | |
*/ | |
optionMergeStrategies: Object.create(null), | |
/** | |
* Whether to suppress warnings. | |
*/ | |
silent: false, | |
/** | |
* Error handler for watcher errors | |
*/ | |
errorHandler: 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 a tag is an unknown element. | |
* Platform-dependent. | |
*/ | |
isUnknownElement: no, | |
/** | |
* Check if an attribute must be bound using property, e.g. value | |
* Platform-dependent. | |
*/ | |
mustUseProp: no, | |
/** | |
* List of asset types that a component can own. | |
*/ | |
_assetTypes: ['component', 'directive', 'transition', 'filter'], | |
/** | |
* List of lifecycle hooks. | |
*/ | |
_lifecycleHooks: ['init', 'created', 'beforeMount', 'mounted', 'beforeUpdate', 'updated', 'beforeDestroy', 'destroyed', 'activated', 'deactivated'], | |
/** | |
* Max circular updates allowed in a scheduler flush cycle. | |
*/ | |
_maxUpdateCount: 100, | |
/** | |
* Server rendering? | |
*/ | |
_isServer: "client" === 'server', | |
/** | |
* Keeping track of all extended Component constructors | |
* so that we can update them in the case of global mixins being applied | |
* after their creation. | |
*/ | |
_ctors: [] | |
}; | |
/** | |
* 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; | |
} else { | |
var _ret = function () { | |
var segments = path.split('.'); | |
return { | |
v: function v(obj) { | |
for (var i = 0; i < segments.length; i++) { | |
if (!obj) return; | |
obj = obj[segments[i]]; | |
} | |
return obj; | |
} | |
}; | |
}(); | |
if (typeof _ret === "object") return _ret.v; | |
} | |
} | |
/* global MutationObserver */ | |
// can we use __proto__? | |
var hasProto = '__proto__' in {}; | |
// Browser environment sniffing | |
var inBrowser = typeof window !== 'undefined' && Object.prototype.toString.call(window) !== '[object Object]'; | |
// detect devtools | |
var devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__; | |
// UA sniffing for working around browser-specific quirks | |
var UA = inBrowser && window.navigator.userAgent.toLowerCase(); | |
var isIos = UA && /(iphone|ipad|ipod|ios)/i.test(UA); | |
var iosVersionMatch = UA && isIos && UA.match(/os ([\d_]+)/); | |
var iosVersion = iosVersionMatch && iosVersionMatch[1].split('_'); | |
// MutationObserver is unreliable in iOS 9.3 UIWebView | |
// detecting it by checking presence of IndexedDB | |
// ref #3027 | |
var hasMutationObserverBug = iosVersion && Number(iosVersion[0]) >= 9 && Number(iosVersion[1]) >= 3 && !window.indexedDB; | |
/** | |
* Defer a task to execute it asynchronously. Ideally this | |
* should be executed as a microtask, so we leverage | |
* MutationObserver if it's available, and fallback to | |
* setTimeout(0). | |
* | |
* @param {Function} cb | |
* @param {Object} ctx | |
*/ | |
var nextTick = function () { | |
var callbacks = []; | |
var pending = false; | |
var timerFunc = void 0; | |
function nextTickHandler() { | |
pending = false; | |
var copies = callbacks.slice(0); | |
callbacks = []; | |
for (var i = 0; i < copies.length; i++) { | |
copies[i](); | |
} | |
} | |
/* istanbul ignore else */ | |
if (typeof MutationObserver !== 'undefined' && !hasMutationObserverBug) { | |
(function () { | |
var counter = 1; | |
var observer = new MutationObserver(nextTickHandler); | |
var textNode = document.createTextNode(String(counter)); | |
observer.observe(textNode, { | |
characterData: true | |
}); | |
timerFunc = function timerFunc() { | |
counter = (counter + 1) % 2; | |
textNode.data = String(counter); | |
}; | |
})(); | |
} else { | |
// webpack attempts to inject a shim for setImmediate | |
// if it is used as a global, so we have to work around that to | |
// avoid bundling unnecessary code. | |
var context = inBrowser ? window : typeof global !== 'undefined' ? global : {}; | |
timerFunc = context.setImmediate || setTimeout; | |
} | |
return function (cb, ctx) { | |
var func = ctx ? function () { | |
cb.call(ctx); | |
} : cb; | |
callbacks.push(func); | |
if (pending) return; | |
pending = true; | |
timerFunc(nextTickHandler, 0); | |
}; | |
}(); | |
var Set$1 = void 0; | |
/* istanbul ignore if */ | |
if (typeof Set !== 'undefined' && Set.toString().match(/native code/)) { | |
// use native Set when available. | |
Set$1 = Set; | |
} else { | |
// a non-standard Set polyfill that only works with primitive keys. | |
Set$1 = function () { | |
function Set() { | |
this.set = Object.create(null); | |
} | |
Set.prototype.has = function has(key) { | |
return this.set[key] !== undefined; | |
}; | |
Set.prototype.add = function add(key) { | |
this.set[key] = 1; | |
}; | |
Set.prototype.clear = function clear() { | |
this.set = Object.create(null); | |
}; | |
return Set; | |
}(); | |
} | |
var hasProxy = void 0; | |
var proxyHandlers = void 0; | |
var initProxy = void 0; | |
if ("development" !== 'production') { | |
(function () { | |
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,__webpack_require__' // for Webpack/Browserify | |
); | |
hasProxy = typeof Proxy !== 'undefined' && Proxy.toString().match(/native code/); | |
proxyHandlers = { | |
has: function has(target, key) { | |
var has = key in target; | |
var isAllowedGlobal = allowedGlobals(key); | |
if (!has && !isAllowedGlobal) { | |
warn('Trying to access non-existent property "' + key + '" while rendering. ' + 'Make sure to declare reactive data properties in the data option.', target); | |
} | |
return !isAllowedGlobal; | |
} | |
}; | |
initProxy = function initProxy(vm) { | |
if (hasProxy) { | |
vm._renderProxy = new Proxy(vm, proxyHandlers); | |
} else { | |
vm._renderProxy = vm; | |
} | |
}; | |
})(); | |
} | |
var uid$2 = 0; | |
/** | |
* A dep is an observable that can have multiple | |
* directives subscribing to it. | |
*/ | |
var Dep = function () { | |
function Dep() { | |
this.id = uid$2++; | |
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() { | |
// stablize the subscriber list first | |
var subs = this.subs.slice(); | |
for (var i = 0, l = subs.length; i < l; i++) { | |
subs[i].update(); | |
} | |
}; | |
return Dep; | |
}(); | |
Dep.target = null; | |
// we have two separate queues: one for directive updates | |
// and one for user watcher registered via $watch(). | |
// we want to guarantee directive updates to be called | |
// before user watchers so that when user watchers are | |
// triggered, the DOM would have already been in updated | |
// state. | |
var queue = []; | |
var userQueue = []; | |
var has = {}; | |
var circular = {}; | |
var waiting = false; | |
/** | |
* Reset the scheduler's state. | |
*/ | |
function resetSchedulerState() { | |
queue.length = 0; | |
userQueue.length = 0; | |
has = {}; | |
if ("development" !== 'production') { | |
circular = {}; | |
} | |
waiting = false; | |
} | |
/** | |
* Flush both queues and run the watchers. | |
*/ | |
function flushSchedulerQueue() { | |
runSchedulerQueue(queue.sort(queueSorter)); | |
runSchedulerQueue(userQueue); | |
// user watchers triggered more watchers, | |
// keep flushing until it depletes | |
if (queue.length) { | |
return flushSchedulerQueue(); | |
} | |
resetSchedulerState(); | |
} | |
/** | |
* Sort queue before flush. | |
* This ensures components are updated from parent to child | |
* so there will be no duplicate updates, e.g. a child was | |
* pushed into the queue first and then its parent's props | |
* changed. | |
*/ | |
function queueSorter(a, b) { | |
return a.id - b.id; | |
} | |
/** | |
* Run the watchers in a single queue. | |
*/ | |
function runSchedulerQueue(queue) { | |
// do not cache length because more watchers might be pushed | |
// as we run existing watchers | |
for (var i = 0; i < queue.length; i++) { | |
var watcher = queue[i]; | |
var 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] > config._maxUpdateCount) { | |
warn('You may have an infinite update loop for watcher ' + 'with expression "' + watcher.expression + '"', watcher.vm); | |
break; | |
} | |
} | |
} | |
queue.length = 0; | |
} | |
/** | |
* 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) { | |
// push watcher into appropriate queue | |
var q = watcher.user ? userQueue : queue; | |
has[id] = true; | |
q.push(watcher); | |
// queue the flush | |
if (!waiting) { | |
waiting = true; | |
nextTick(flushSchedulerQueue); | |
} | |
} | |
} | |
var uid$1 = 0; | |
var prevTarget = void 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 () { | |
function Watcher(vm, expOrFn, cb) { | |
var options = arguments.length <= 3 || arguments[3] === undefined ? {} : arguments[3]; | |
this.vm = vm; | |
vm._watchers.push(this); | |
// options | |
this.deep = !!options.deep; | |
this.user = !!options.user; | |
this.lazy = !!options.lazy; | |
this.expression = expOrFn.toString(); | |
this.cb = cb; | |
this.id = ++uid$1; // uid for batching | |
this.active = true; | |
this.dirty = this.lazy; // for lazy watchers | |
this.deps = []; | |
this.newDeps = []; | |
this.depIds = new Set$1(); | |
this.newDepIds = new Set$1(); | |
// 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() { | |
this.beforeGet(); | |
var value = void 0; | |
try { | |
value = this.getter.call(this.vm, this.vm); | |
} catch (e) { | |
if ("development" !== 'production') { | |
if (this.user) { | |
warn('Error when evaluating watcher with getter: ' + this.expression, this.vm); | |
} else { | |
warn('Error during component render', this.vm); | |
} | |
/* istanbul ignore else */ | |
if (config.errorHandler) { | |
config.errorHandler.call(null, e, this.vm); | |
} else { | |
throw e; | |
} | |
} | |
// return old value when evaluation fails so the current UI is preserved | |
// if the error was somehow handled by user | |
value = this.value; | |
} | |
// "touch" every property so they are all tracked as | |
// dependencies for deep watching | |
if (this.deep) { | |
traverse(value); | |
} | |
this.afterGet(); | |
return value; | |
}; | |
/** | |
* Prepare for dependency collection. | |
*/ | |
Watcher.prototype.beforeGet = function beforeGet() { | |
prevTarget = Dep.target; | |
Dep.target = this; | |
}; | |
/** | |
* 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.afterGet = function afterGet() { | |
Dep.target = prevTarget; | |
var i = this.deps.length; | |
while (i--) { | |
var dep = this.deps[i]; | |
if (!this.newDepIds.has(dep.id)) { | |
dep.removeSub(this); | |
} | |
} | |
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() { | |
if (this.lazy) { | |
this.dirty = true; | |
} 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; | |
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() { | |
// avoid overwriting another watcher that is being | |
// collected. | |
var current = Dep.target; | |
this.value = this.get(); | |
this.dirty = false; | |
Dep.target = current; | |
}; | |
/** | |
* Depend on all deps collected by this watcher. | |
*/ | |
Watcher.prototype.depend = function depend() { | |
var i = this.deps.length; | |
while (i--) { | |
this.deps[i].depend(); | |
} | |
}; | |
/** | |
* Remove self from all dependencies' subcriber list. | |
*/ | |
Watcher.prototype.teardown = function teardown() { | |
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 or is performing a v-for | |
// re-render (the watcher list is then filtered by v-for). | |
if (!this.vm._isBeingDestroyed && !this.vm._vForRemoving) { | |
remove(this.vm._watchers, this); | |
} | |
var i = this.deps.length; | |
while (i--) { | |
this.deps[i].removeSub(this); | |
} | |
this.active = false; | |
} | |
}; | |
return Watcher; | |
}(); | |
var seenObjects = new Set$1(); | |
function traverse(val, seen) { | |
var i = void 0, | |
keys = void 0; | |
if (!seen) { | |
seen = seenObjects; | |
seen.clear(); | |
} | |
var isA = Array.isArray(val); | |
var isO = isObject(val); | |
if (isA || isO) { | |
if (val.__ob__) { | |
var depId = val.__ob__.dep.id; | |
if (seen.has(depId)) { | |
return; | |
} else { | |
seen.add(depId); | |
} | |
} | |
if (isA) { | |
i = val.length; | |
while (i--) { | |
traverse(val[i], seen); | |
} | |
} else if (isO) { | |
keys = Object.keys(val); | |
i = keys.length; | |
while (i--) { | |
traverse(val[keys[i]], seen); | |
} | |
} | |
} | |
} | |
var arrayProto = Array.prototype; | |
var arrayMethods = Object.create(arrayProto) | |
/** | |
* Intercept mutating methods and emit events | |
*/ | |
;['push', 'pop', 'shift', 'unshift', 'splice', 'sort', 'reverse'].forEach(function (method) { | |
// cache original method | |
var original = arrayProto[method]; | |
def(arrayMethods, method, function mutator() { | |
// avoid leaking arguments: | |
// http://jsperf.com/closure-with-arguments | |
var i = arguments.length; | |
var args = new Array(i); | |
while (i--) { | |
args[i] = arguments[i]; | |
} | |
var result = original.apply(this, args); | |
var ob = this.__ob__; | |
var inserted = void 0; | |
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 () { | |
// number of vms that has this object as root $data | |
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 val = this.value; | |
for (var key in obj) { | |
defineReactive(val, key, obj[key]); | |
} | |
}; | |
/** | |
* 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]); | |
} | |
}; | |
return Observer; | |
}(); | |
// 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) { | |
if (!isObject(value)) { | |
return; | |
} | |
var ob = void 0; | |
if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) { | |
ob = value.__ob__; | |
} else if (observerState.shouldConvert && !config._isServer && (Array.isArray(value) || isPlainObject(value)) && Object.isExtensible(value) && !value._isVue) { | |
ob = new Observer(value); | |
} | |
return ob; | |
} | |
/** | |
* Define a reactive property on an Object. | |
*/ | |
function defineReactive(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)) { | |
for (var e, i = 0, l = value.length; i < l; i++) { | |
e = value[i]; | |
e && e.__ob__ && e.__ob__.dep.depend(); | |
} | |
} | |
} | |
return value; | |
}, | |
set: function reactiveSetter(newVal) { | |
var value = getter ? getter.call(obj) : val; | |
if (newVal === value) { | |
return; | |
} | |
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(obj, key, val) { | |
if (Array.isArray(obj)) { | |
obj.splice(key, 1, val); | |
return val; | |
} | |
if (hasOwn(obj, key)) { | |
obj[key] = val; | |
return; | |
} | |
var ob = obj.__ob__; | |
if (obj._isVue || ob && ob.vmCount) { | |
"development" !== 'production' && warn('Avoid adding reactive properties to a Vue instance or its root $data ' + 'at runtime - delcare it upfront in the data option.'); | |
return; | |
} | |
if (!ob) { | |
obj[key] = val; | |
return; | |
} | |
defineReactive(ob.value, key, val); | |
ob.dep.notify(); | |
return val; | |
} | |
/** | |
* Delete a property and trigger change if necessary. | |
*/ | |
function del(obj, key) { | |
var ob = obj.__ob__; | |
if (obj._isVue || ob && ob.vmCount) { | |
"development" !== 'production' && warn('Avoid deleting properties on a Vue instance or its root $data ' + '- just set it to null.'); | |
return; | |
} | |
if (!hasOwn(obj, key)) { | |
return; | |
} | |
delete obj[key]; | |
if (!ob) { | |
return; | |
} | |
ob.dep.notify(); | |
} | |
function proxy(vm, key) { | |
if (!isReserved(key)) { | |
Object.defineProperty(vm, key, { | |
configurable: true, | |
enumerable: true, | |
get: function proxyGetter() { | |
return vm._data[key]; | |
}, | |
set: function proxySetter(val) { | |
vm._data[key] = val; | |
} | |
}); | |
} | |
} | |
// using Object type to avoid flow complaining | |
function unproxy(vm, key) { | |
if (!isReserved(key)) { | |
delete vm[key]; | |
} | |
} | |
function initState(vm) { | |
vm._watchers = []; | |
initProps(vm); | |
initData(vm); | |
initComputed(vm); | |
initMethods(vm); | |
initWatch(vm); | |
} | |
function initProps(vm) { | |
var props = vm.$options.props; | |
var propsData = vm.$options.propsData; | |
if (props) { | |
var keys = vm.$options._propKeys = Object.keys(props); | |
var isRoot = !vm.$parent; | |
// root instance props should be converted | |
observerState.shouldConvert = isRoot; | |
var _loop = function _loop(i) { | |
var key = keys[i]; | |
/* istanbul ignore else */ | |
if ("development" !== 'production') { | |
defineReactive(vm, key, validateProp(vm, key, propsData), function () { | |
if (vm.$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); | |
} | |
}); | |
} else {} | |
}; | |
for (var i = 0; i < keys.length; i++) { | |
_loop(i); | |
} | |
observerState.shouldConvert = true; | |
} | |
} | |
function initData(vm) { | |
var data = vm.$options.data; | |
data = vm._data = typeof data === 'function' ? data.call(vm) : data || {}; | |
if (!isPlainObject(data)) { | |
data = {}; | |
"development" !== 'production' && warn('data functions should return an object.', vm); | |
} | |
// proxy data on instance | |
var keys = Object.keys(data); | |
var props = vm.$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 { | |
proxy(vm, keys[i]); | |
} | |
} | |
// observe data | |
observe(data); | |
data.__ob__ && data.__ob__.vmCount++; | |
} | |
var computedSharedDefinition = { | |
enumerable: true, | |
configurable: true, | |
get: noop, | |
set: noop | |
}; | |
function initComputed(vm) { | |
var computed = vm.$options.computed; | |
if (computed) { | |
for (var _key in computed) { | |
var userDef = computed[_key]; | |
if (typeof userDef === 'function') { | |
computedSharedDefinition.get = makeComputedGetter(userDef, vm); | |
computedSharedDefinition.set = noop; | |
} else { | |
computedSharedDefinition.get = userDef.get ? userDef.cache !== false ? makeComputedGetter(userDef.get, vm) : bind(userDef.get, vm) : noop; | |
computedSharedDefinition.set = userDef.set ? bind(userDef.set, vm) : noop; | |
} | |
Object.defineProperty(vm, _key, computedSharedDefinition); | |
} | |
} | |
} | |
function makeComputedGetter(getter, owner) { | |
var watcher = new Watcher(owner, getter, noop, { | |
lazy: true | |
}); | |
return function computedGetter() { | |
if (watcher.dirty) { | |
watcher.evaluate(); | |
} | |
if (Dep.target) { | |
watcher.depend(); | |
} | |
return watcher.value; | |
}; | |
} | |
function initMethods(vm) { | |
var methods = vm.$options.methods; | |
if (methods) { | |
for (var _key2 in methods) { | |
vm[_key2] = bind(methods[_key2], vm); | |
} | |
} | |
} | |
function initWatch(vm) { | |
var watch = vm.$options.watch; | |
if (watch) { | |
for (var _key3 in watch) { | |
var handler = watch[_key3]; | |
if (Array.isArray(handler)) { | |
for (var i = 0; i < handler.length; i++) { | |
createWatcher(vm, _key3, handler[i]); | |
} | |
} else { | |
createWatcher(vm, _key3, handler); | |
} | |
} | |
} | |
} | |
function createWatcher(vm, key, handler) { | |
var options = void 0; | |
if (isPlainObject(handler)) { | |
options = handler; | |
handler = handler.handler; | |
} | |
if (typeof handler === 'string') { | |
handler = vm[handler]; | |
} | |
vm.$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; | |
}; | |
dataDef.set = function (newData) { | |
if (newData !== this._data) { | |
setData(this, newData); | |
} | |
}; | |
Object.defineProperty(Vue.prototype, '$data', dataDef); | |
Vue.prototype.$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 setData(vm, newData) { | |
newData = newData || {}; | |
var oldData = vm._data; | |
vm._data = newData; | |
var keys = void 0, | |
key = void 0, | |
i = void 0; | |
// unproxy keys not present in new data | |
keys = Object.keys(oldData); | |
i = keys.length; | |
while (i--) { | |
key = keys[i]; | |
if (!(key in newData)) { | |
unproxy(vm, key); | |
} | |
} | |
// proxy keys not already proxied, | |
// and trigger change for changed values | |
keys = Object.keys(newData); | |
i = keys.length; | |
while (i--) { | |
key = keys[i]; | |
if (!hasOwn(vm, key)) { | |
// new property | |
proxy(vm, key); | |
} | |
} | |
oldData.__ob__ && oldData.__ob__.vmCount--; | |
observe(newData); | |
newData.__ob__ && newData.__ob__.vmCount++; | |
vm.$forceUpdate(); | |
} | |
var VNode = function () { | |
function VNode(tag, data, children, text, elm, ns, context, componentOptions) { | |
this.tag = tag; | |
this.data = data; | |
this.children = children; | |
this.text = text; | |
this.elm = elm; | |
this.ns = ns; | |
this.context = context; | |
this.key = data && data.key; | |
this.componentOptions = componentOptions; | |
this.child = undefined; | |
this.parent = undefined; | |
// apply construct hook. | |
// this is applied during render, before patch happens. | |
// unlike other hooks, this is applied on both client and server. | |
var constructHook = data && data.hook && data.hook.construct; | |
if (constructHook) { | |
constructHook(this); | |
} | |
} | |
VNode.prototype.setChildren = function setChildren(children) { | |
this.children = children; | |
}; | |
return VNode; | |
}(); | |
var emptyVNode = function emptyVNode() { | |
return new VNode(undefined, undefined, undefined, ''); | |
}; | |
function normalizeChildren(children) { | |
// invoke children thunks. | |
// components always receive their children as thunks so that they | |
// can perform the actual render inside their own dependency collection cycle. | |
if (typeof children === 'function') { | |
children = children(); | |
} | |
if (typeof children === 'string') { | |
return [new VNode(undefined, undefined, undefined, children)]; | |
} | |
if (Array.isArray(children)) { | |
var res = []; | |
for (var i = 0, l = children.length; i < l; i++) { | |
var c = children[i]; | |
// nested | |
if (Array.isArray(c)) { | |
res.push.apply(res, normalizeChildren(c)); | |
} else if (isPrimitive(c)) { | |
// convert primitive to vnode | |
res.push(new VNode(undefined, undefined, undefined, c)); | |
} else if (c instanceof VNode) { | |
res.push(c); | |
} | |
} | |
return res; | |
} | |
return []; | |
} | |
function updateListeners(on, oldOn, add, remove) { | |
var name = void 0, | |
cur = void 0, | |
old = void 0, | |
fn = void 0, | |
event = void 0, | |
capture = void 0; | |
for (name in on) { | |
cur = on[name]; | |
old = oldOn[name]; | |
if (!old) { | |
capture = name.charAt(0) === '!'; | |
event = capture ? name.slice(1) : name; | |
if (Array.isArray(cur)) { | |
add(event, cur.invoker = arrInvoker(cur), capture); | |
} else { | |
fn = cur; | |
cur = on[name] = {}; | |
cur.fn = fn; | |
add(event, cur.invoker = fnInvoker(cur), capture); | |
} | |
} else if (Array.isArray(old)) { | |
old.length = cur.length; | |
for (var i = 0; i < old.length; i++) { | |
old[i] = cur[i]; | |
}on[name] = old; | |
} else { | |
old.fn = cur; | |
on[name] = old; | |
} | |
} | |
for (name in oldOn) { | |
if (!on[name]) { | |
event = name.charAt(0) === '!' ? name.slice(1) : name; | |
remove(event, oldOn[name].invoker); | |
} | |
} | |
} | |
function arrInvoker(arr) { | |
return function (ev) { | |
var single = arguments.length === 1; | |
for (var i = 0; i < arr.length; i++) { | |
single ? arr[i](ev) : arr[i].apply(null, arguments); | |
} | |
}; | |
} | |
function fnInvoker(o) { | |
return function (ev) { | |
var single = arguments.length === 1; | |
single ? o.fn(ev) : o.fn.apply(null, arguments); | |
}; | |
} | |
function initLifecycle(vm) { | |
var options = vm.$options; | |
vm.$parent = options.parent; | |
vm.$root = vm.$parent ? vm.$parent.$root : vm; | |
if (vm.$parent && !options._abstract) { | |
vm.$parent.$children.push(vm); | |
} | |
vm.$children = []; | |
vm.$refs = {}; | |
vm._watcher = null; | |
vm._isMounted = false; | |
vm._isDestroyed = false; | |
vm._isBeingDestroyed = false; | |
} | |
function lifecycleMixin(Vue) { | |
Vue.prototype._mount = function (el, hydrating) { | |
var vm = this; | |
vm.$el = el; | |
if (!vm.$options.render) { | |
vm.$options.render = emptyVNode; | |
if ("development" !== 'production') { | |
/* istanbul ignore if */ | |
if (vm.$options.template) { | |
warn('You are using the runtime-only build of Vue where the template ' + 'option 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'); | |
vm._watcher = new Watcher(vm, function () { | |
vm._update(vm._render(), hydrating); | |
}, noop); | |
hydrating = false; | |
// root instance, call mounted on self | |
// mounted is called for child components in its inserted hook | |
if (vm.$root === vm) { | |
vm._isMounted = true; | |
callHook(vm, 'mounted'); | |
} | |
return vm; | |
}; | |
Vue.prototype._update = function (vnode, hydrating) { | |
var vm = this; | |
if (vm._isMounted) { | |
callHook(vm, 'beforeUpdate'); | |
} | |
if (!vm._vnode) { | |
// Vue.prototype.__patch__ is injected in entry points | |
// based on the rendering backend used. | |
vm.$el = vm.__patch__(vm.$el, vnode, hydrating); | |
} else { | |
vm.$el = vm.__patch__(vm._vnode, vnode); | |
} | |
vm._vnode = vnode; | |
// update parent vnode element after patch | |
var parentNode = vm.$options._parentVnode; | |
if (parentNode) { | |
parentNode.elm = vm.$el; | |
// update parent $el if the parent is HOC | |
// this is necessary because child is updated after parent | |
if (vm.$parent && parentNode === vm.$parent._vnode) { | |
vm.$parent.$el = vm.$el; | |
} | |
} | |
if (vm._isMounted) { | |
callHook(vm, 'updated'); | |
} | |
}; | |
Vue.prototype._updateFromParent = function (propsData, listeners, parentVnode, renderChildren) { | |
var vm = this; | |
vm.$options._parentVnode = parentVnode; | |
vm.$options._renderChildren = renderChildren; | |
// update props | |
if (propsData && vm.$options.props) { | |
observerState.shouldConvert = false; | |
if ("development" !== 'production') { | |
observerState.isSettingProps = true; | |
} | |
var propKeys = vm.$options._propKeys || []; | |
for (var i = 0; i < propKeys.length; i++) { | |
var key = propKeys[i]; | |
vm[key] = validateProp(vm, key, propsData); | |
} | |
observerState.shouldConvert = true; | |
if ("development" !== 'production') { | |
observerState.isSettingProps = false; | |
} | |
} | |
// update listeners | |
if (listeners) { | |
var oldListeners = vm.$options._parentListeners; | |
vm.$options._parentListeners = listeners; | |
vm._updateListeners(listeners, oldListeners); | |
} | |
}; | |
Vue.prototype.$forceUpdate = function () { | |
var vm = this; | |
if (vm._watcher) { | |
vm._watcher.update(); | |
} | |
if (vm._watchers.length) { | |
for (var i = 0; i < vm._watchers.length; i++) { | |
vm._watchers[i].update(true /* shallow */); | |
} | |
} | |
}; | |
Vue.prototype.$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.$children, vm); | |
} | |
// teardown watchers | |
if (vm._watcher) { | |
vm._watcher.teardown(); | |
} | |
var i = vm._watchers.length; | |
while (i--) { | |
vm._watchers[i].teardown(); | |
} | |
// remove reference from data ob | |
// frozen object may not have observer. | |
if (vm._data.__ob__) { | |
vm._data.__ob__.vmCount--; | |
} | |
// call the last hook... | |
vm._isDestroyed = true; | |
callHook(vm, 'destroyed'); | |
// turn off all instance listeners. | |
vm.$off(); | |
}; | |
} | |
function callHook(vm, hook) { | |
vm.$emit('pre-hook:' + hook); | |
var handlers = vm.$options[hook]; | |
if (handlers) { | |
for (var i = 0, j = handlers.length; i < j; i++) { | |
handlers[i].call(vm); | |
} | |
} | |
vm.$emit('hook:' + hook); | |
} | |
var hooks = { init: init, prepatch: prepatch, insert: insert, destroy: destroy }; | |
var hooksToMerge = Object.keys(hooks); | |
function createComponent(Ctor, data, parent, context, tag) { | |
if (!Ctor) { | |
return; | |
} | |
if (isObject(Ctor)) { | |
Ctor = Vue.extend(Ctor); | |
} | |
if (typeof Ctor !== 'function') { | |
if ("development" !== 'production') { | |
warn('Invalid Component definition: ' + Ctor, parent); | |
} | |
return; | |
} | |
// async component | |
if (!Ctor.cid) { | |
if (Ctor.resolved) { | |
Ctor = Ctor.resolved; | |
} else { | |
Ctor = resolveAsyncComponent(Ctor, function () { | |
// it's ok to queue this on every render because | |
// $forceUpdate is buffered. this is only called | |
// if the | |
parent.$forceUpdate(); | |
}); | |
if (!Ctor) { | |
// return nothing if this is indeed an async component | |
// wait for the callback to trigger parent update. | |
return; | |
} | |
} | |
} | |
data = data || {}; | |
// merge component management hooks onto the placeholder node | |
mergeHooks(data); | |
// extract props | |
var propsData = extractProps(data, Ctor); | |
// extract listeners, since these needs to be treated as | |
// child component listeners instead of DOM listeners | |
var listeners = data.on; | |
if (listeners) { | |
delete data.on; | |
} | |
// return a placeholder vnode | |
var name = Ctor.options.name || tag; | |
var vnode = new VNode('vue-component-' + Ctor.cid + (name ? '-' + name : ''), data, undefined, undefined, undefined, undefined, context, { Ctor: Ctor, propsData: propsData, listeners: listeners, parent: parent, tag: tag, children: undefined } | |
// children to be set later by renderElementWithChildren, | |
// but before the init hook | |
); | |
return vnode; | |
} | |
function createComponentInstanceForVnode(vnode // we know it's MountedComponentVNode but flow doesn't | |
) { | |
var vnodeComponentOptions = vnode.componentOptions; | |
var options = { | |
_isComponent: true, | |
parent: vnodeComponentOptions.parent, | |
propsData: vnodeComponentOptions.propsData, | |
_componentTag: vnodeComponentOptions.tag, | |
_parentVnode: vnode, | |
_parentListeners: vnodeComponentOptions.listeners, | |
_renderChildren: vnodeComponentOptions.children | |
}; | |
// check inline-template render functions | |
var inlineTemplate = vnode.data.inlineTemplate; | |
if (inlineTemplate) { | |
options.render = inlineTemplate.render; | |
options.staticRenderFns = inlineTemplate.staticRenderFns; | |
} | |
return new vnodeComponentOptions.Ctor(options); | |
} | |
function init(vnode, hydrating) { | |
if (!vnode.child) { | |
var child = vnode.child = createComponentInstanceForVnode(vnode); | |
child.$mount(hydrating ? vnode.elm : undefined, hydrating); | |
} | |
} | |
function prepatch(oldVnode, vnode) { | |
var options = vnode.componentOptions; | |
vnode.child = oldVnode.child; | |
vnode.child._updateFromParent(options.propsData, // updated props | |
options.listeners, // updated listeners | |
vnode, // new parent vnode | |
options.children // new children | |
); | |
} | |
function insert(vnode) { | |
if (!vnode.child._isMounted) { | |
vnode.child._isMounted = true; | |
callHook(vnode.child, 'mounted'); | |
} | |
if (vnode.data.keepAlive) { | |
callHook(vnode.child, 'activated'); | |
} | |
} | |
function destroy(vnode) { | |
if (!vnode.child._isDestroyed) { | |
if (!vnode.data.keepAlive) { | |
vnode.child.$destroy(); | |
} else { | |
callHook(vnode.child, 'deactivated'); | |
} | |
} | |
} | |
function resolveAsyncComponent(factory, cb) { | |
if (factory.requested) { | |
// pool callbacks | |
factory.pendingCallbacks.push(cb); | |
} else { | |
var _ret = function () { | |
factory.requested = true; | |
var cbs = factory.pendingCallbacks = [cb]; | |
var sync = true; | |
factory( | |
// resolve | |
function (res) { | |
if (isObject(res)) { | |
res = Vue.extend(res); | |
} | |
// cache resolved | |
factory.resolved = res; | |
// invoke callbacks only if this is not a synchronous resolve | |
// (async resolves are shimmed as synchronous during SSR) | |
if (!sync) { | |
for (var i = 0, l = cbs.length; i < l; i++) { | |
cbs[i](res); | |
} | |
} | |
}, | |
// reject | |
function (reason) { | |
"development" !== 'production' && warn('Failed to resolve async component: ' + factory + (reason ? '\nReason: ' + reason : '')); | |
}); | |
sync = false; | |
// return in case resolved synchronously | |
return { | |
v: factory.resolved | |
}; | |
}(); | |
if (typeof _ret === "object") return _ret.v; | |
} | |
} | |
function extractProps(data, Ctor) { | |
// we are only extrating raw values here. | |
// validation and default values are handled in the child | |
// component itself. | |
var propOptions = Ctor.options.props; | |
if (!propOptions) { | |
return; | |
} | |
var res = {}; | |
var attrs = data.attrs; | |
var props = data.props; | |
var staticAttrs = data.staticAttrs; | |
if (!attrs && !props && !staticAttrs) { | |
return res; | |
} | |
for (var key in propOptions) { | |
var altKey = hyphenate(key); | |
checkProp(res, attrs, key, altKey) || checkProp(res, props, key, altKey) || checkProp(res, staticAttrs, key, altKey); | |
} | |
return res; | |
} | |
function checkProp(res, hash, key, altKey) { | |
if (hash) { | |
if (hasOwn(hash, key)) { | |
res[key] = hash[key]; | |
delete hash[key]; | |
return true; | |
} else if (hasOwn(hash, altKey)) { | |
res[key] = hash[altKey]; | |
delete hash[altKey]; | |
return true; | |
} | |
} | |
return false; | |
} | |
function mergeHooks(data) { | |
if (data.hook) { | |
for (var i = 0; i < hooksToMerge.length; i++) { | |
var key = hooksToMerge[i]; | |
var fromParent = data.hook[key]; | |
var ours = hooks[key]; | |
data.hook[key] = fromParent ? mergeHook$1(ours, fromParent) : ours; | |
} | |
} else { | |
data.hook = hooks; | |
} | |
} | |
function mergeHook$1(a, b) { | |
// since all hooks have at most two args, use fixed args | |
// to avoid having to use fn.apply(). | |
return function (_, __) { | |
a(_, __); | |
b(_, __); | |
}; | |
} | |
function renderElementWithChildren(vnode, children) { | |
if (vnode) { | |
if (vnode.componentOptions) { | |
if ("development" !== 'production' && children && typeof children !== 'function') { | |
warn('A component\'s children should be a function that returns the ' + 'children array. This allows the component to track the children ' + 'dependencies and optimizes re-rendering.'); | |
} | |
vnode.componentOptions.children = children; | |
} else { | |
vnode.setChildren(normalizeChildren(children)); | |
} | |
} | |
return vnode; | |
} | |
function renderElement(tag, data, namespace) { | |
// make sure to expose real self instead of proxy | |
var context = this._self; | |
var parent = renderState.activeInstance; | |
if (!parent) { | |
"development" !== 'production' && warn('createElement cannot be called outside of component ' + 'render functions.'); | |
return; | |
} | |
if (!tag) { | |
// in case of component :is set to falsy value | |
return emptyVNode(); | |
} | |
if (typeof tag === 'string') { | |
var Ctor = void 0; | |
if (config.isReservedTag(tag)) { | |
return new VNode(tag, data, undefined, undefined, undefined, namespace, context); | |
} else if (Ctor = resolveAsset(context.$options, 'components', tag)) { | |
return createComponent(Ctor, data, parent, context, tag); | |
} else { | |
if ("development" !== 'production') { | |
if (!namespace && config.isUnknownElement(tag)) { | |
warn('Unknown custom element: <' + tag + '> - did you ' + 'register the component correctly? For recursive components, ' + 'make sure to provide the "name" option.'); | |
} | |
} | |
return new VNode(tag, data, undefined, undefined, undefined, namespace, context); | |
} | |
} else { | |
return createComponent(tag, data, parent, context); | |
} | |
} | |
function renderText(str) { | |
return str || ''; | |
} | |
function renderStatic(index) { | |
return this._staticTrees[index]; | |
} | |
var renderState = { | |
activeInstance: null | |
}; | |
function initRender(vm) { | |
vm._vnode = null; | |
vm._staticTrees = null; | |
vm.$slots = {}; | |
// bind the public createElement fn to this instance | |
// so that we get proper render context inside it. | |
vm.$createElement = bind(function (tag, data, children, namespace) { | |
return this._h(this._e(tag, data, namespace), children); | |
}, vm); | |
if (vm.$options.el) { | |
vm.$mount(vm.$options.el); | |
} | |
} | |
function renderMixin(Vue) { | |
Vue.prototype.$nextTick = function (fn) { | |
nextTick(fn, this); | |
}; | |
Vue.prototype._render = function () { | |
var vm = this; | |
// set current active instance | |
var prev = renderState.activeInstance; | |
renderState.activeInstance = vm; | |
var _vm$$options = vm.$options; | |
var render = _vm$$options.render; | |
var staticRenderFns = _vm$$options.staticRenderFns; | |
var _renderChildren = _vm$$options._renderChildren; | |
var _parentVnode = _vm$$options._parentVnode; | |
if (staticRenderFns && !vm._staticTrees) { | |
// render static sub-trees for once on initial render | |
renderStaticTrees(vm, staticRenderFns); | |
} | |
// resolve slots. becaues slots are rendered in parent scope, | |
// we set the activeInstance to parent. | |
if (_renderChildren) { | |
resolveSlots(vm, _renderChildren); | |
} | |
// render self | |
var vnode = render.call(vm._renderProxy); | |
// 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 = emptyVNode(); | |
} | |
// set parent | |
vnode.parent = _parentVnode; | |
// restore render state | |
renderState.activeInstance = prev; | |
return vnode; | |
}; | |
// shorthands used in render functions | |
Vue.prototype._h = renderElementWithChildren; | |
Vue.prototype._e = renderElement; | |
Vue.prototype._t = renderText; | |
Vue.prototype._m = renderStatic; | |
// toString for mustaches | |
Vue.prototype._s = renderString; | |
// filter resolution helper | |
var identity = function identity(_) { | |
return _; | |
}; | |
Vue.prototype._f = function (id) { | |
return resolveAsset(this.$options, 'filters', id, true) || identity; | |
}; | |
// render v-for | |
Vue.prototype._l = function (val, render) { | |
var ret = void 0, | |
i = void 0, | |
l = void 0, | |
keys = void 0, | |
key = void 0; | |
if (Array.isArray(val)) { | |
ret = new Array(val.length); | |
for (i = 0, l = val.length; i < l; i++) { | |
ret[i] = render(val[i], i, i); | |
} | |
} else if (typeof val === 'number') { | |
ret = new Array(val); | |
for (i = 0; i < val; i++) { | |
ret[i] = render(i + 1, i, 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], i, key); | |
} | |
} | |
return ret; | |
}; | |
// apply v-bind object | |
Vue.prototype._b = function (vnode, value) { | |
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 data = vnode.data; | |
for (var key in value) { | |
var hash = config.mustUseProp(key) ? data.props || (data.props = {}) : data.attrs || (data.attrs = {}); | |
hash[key] = value[key]; | |
} | |
} | |
} | |
}; | |
} | |
function renderStaticTrees(vm, fns) { | |
var trees = vm._staticTrees = new Array(fns.length); | |
for (var i = 0; i < fns.length; i++) { | |
trees[i] = fns[i].call(vm._renderProxy); | |
} | |
} | |
function resolveSlots(vm, renderChildren) { | |
if (renderChildren) { | |
var children = normalizeChildren(renderChildren); | |
var slots = {}; | |
var defaultSlot = []; | |
var name = void 0, | |
child = void 0; | |
for (var i = 0, l = children.length; i < l; i++) { | |
child = children[i]; | |
if (name = child.data && 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); | |
} | |
} | |
if (defaultSlot.length && !(defaultSlot.length === 1 && defaultSlot[0].text === ' ')) { | |
slots['default'] = defaultSlot; | |
} | |
vm.$slots = slots; | |
} | |
} | |
function initEvents(vm) { | |
vm._events = Object.create(null); | |
// init parent attached events | |
var listeners = vm.$options._parentListeners; | |
var on = bind(vm.$on, vm); | |
var off = bind(vm.$off, vm); | |
vm._updateListeners = function (listeners, oldListeners) { | |
updateListeners(listeners, oldListeners || {}, on, off); | |
}; | |
if (listeners) { | |
vm._updateListeners(listeners); | |
} | |
} | |
function eventsMixin(Vue) { | |
Vue.prototype.$on = function (event, fn) { | |
var vm = this;(vm._events[event] || (vm._events[event] = [])).push(fn); | |
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 vm = this; | |
// all | |
if (!arguments.length) { | |
vm._events = Object.create(null); | |
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 = void 0; | |
var i = cbs.length; | |
while (i--) { | |
cb = cbs[i]; | |
if (cb === fn || cb.fn === fn) { | |
cbs.splice(i, 1); | |
break; | |
} | |
} | |
return vm; | |
}; | |
Vue.prototype.$emit = function (event) { | |
var vm = this; | |
var cbs = vm._events[event]; | |
if (cbs) { | |
cbs = cbs.length > 1 ? toArray(cbs) : cbs; | |
var args = toArray(arguments, 1); | |
for (var i = 0, l = cbs.length; i < l; i++) { | |
cbs[i].apply(vm, args); | |
} | |
} | |
return vm; | |
}; | |
} | |
var uid = 0; | |
function initMixin(Vue) { | |
Vue.prototype._init = function (options) { | |
var vm = this; | |
// a uid | |
vm._uid = uid++; | |
// a flag to avoid this being observed | |
vm._isVue = true; | |
// merge options | |
if (options && options._isComponent) { | |
// optimize internal component instantiation | |
// since dynamic options merging is pretty slow, and none of the | |
// internal component options needs special treatment. | |
initInternalComponent(vm, options); | |
} else { | |
vm.$options = mergeOptions(vm.constructor.options, options || {}, vm); | |
} | |
/* istanbul ignore else */ | |
if ("development" !== 'production') { | |
initProxy(vm); | |
} else {} | |
// expose real self | |
vm._self = vm; | |
initLifecycle(vm); | |
initEvents(vm); | |
callHook(vm, 'init'); | |
initState(vm); | |
callHook(vm, 'created'); | |
initRender(vm); | |
}; | |
} | |
function initInternalComponent(vm, options) { | |
var opts = vm.$options = Object.create(vm.constructor.options); | |
// doing this because it's faster than dynamic enumeration. | |
opts.parent = options.parent; | |
opts.propsData = options.propsData; | |
opts._parentVnode = options._parentVnode; | |
opts._parentListeners = options._parentListeners; | |
opts._renderChildren = options._renderChildren; | |
opts._componentTag = options._componentTag; | |
if (options.render) { | |
opts.render = options.render; | |
opts.staticRenderFns = opts.staticRenderFns; | |
} | |
} | |
function Vue(options) { | |
this._init(options); | |
} | |
initMixin(Vue); | |
stateMixin(Vue); | |
eventsMixin(Vue); | |
lifecycleMixin(Vue); | |
renderMixin(Vue); | |
var warn = void 0; | |
var formatComponentName = void 0; | |
if ("development" !== 'production') { | |
(function () { | |
var hasConsole = typeof console !== 'undefined'; | |
warn = function warn(msg, vm) { | |
if (hasConsole && !config.silent) { | |
console.error('[Vue warn]: ' + msg + (vm ? formatComponentName(vm) : '')); | |
} | |
}; | |
formatComponentName = function formatComponentName(vm) { | |
if (vm.$root === vm) { | |
return ' (found in root instance)'; | |
} | |
var name = vm._isVue ? vm.$options.name || vm.$options._componentTag : vm.name; | |
return name ? ' (found in component: <' + hyphenate(name) + '>)' : ' (found in anonymous component. Use the "name" option for better debugging messages)'; | |
}; | |
})(); | |
} | |
/** | |
* 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 | |
*/ | |
if ("development" !== 'production') { | |
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); | |
}; | |
strats.name = function (parent, child, vm) { | |
if (vm) { | |
warn('options "name" can only be used as a component definition option, ' + 'not during instance creation.'); | |
} | |
return defaultStrat(parent, child); | |
}; | |
} | |
/** | |
* Helper that recursively merges two data objects together. | |
*/ | |
function mergeData(to, from) { | |
var key = void 0, | |
toVal = void 0, | |
fromVal = void 0; | |
for (key in from) { | |
toVal = to[key]; | |
fromVal = from[key]; | |
if (!hasOwn(to, key)) { | |
set(to, key, fromVal); | |
} else if (isObject(toVal) && isObject(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 param attributes are merged as arrays. | |
*/ | |
function mergeHook(parentVal, childVal) { | |
return childVal ? parentVal ? parentVal.concat(childVal) : Array.isArray(childVal) ? childVal : [childVal] : parentVal; | |
} | |
config._lifecycleHooks.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; | |
} | |
config._assetTypes.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 parentVal; | |
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 parentVal; | |
if (!parentVal) return childVal; | |
var ret = Object.create(null); | |
extend(ret, parentVal); | |
extend(ret, childVal); | |
return ret; | |
}; | |
/** | |
* Default strategy. | |
*/ | |
var defaultStrat = function defaultStrat(parentVal, childVal) { | |
return childVal === undefined ? parentVal : childVal; | |
}; | |
/** | |
* Make sure component options get converted to actual | |
* constructors. | |
*/ | |
function normalizeComponents(options) { | |
if (options.components) { | |
var components = options.components; | |
var def = void 0; | |
for (var key in components) { | |
if (isBuiltInTag(key) || config.isReservedTag(key)) { | |
"development" !== 'production' && warn('Do not use built-in or reserved HTML elements as component ' + 'id: ' + key); | |
continue; | |
} | |
def = components[key]; | |
if (isPlainObject(def)) { | |
components[key] = Vue.extend(def); | |
} | |
} | |
} | |
} | |
/** | |
* 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 = void 0, | |
val = void 0, | |
name = void 0; | |
if (Array.isArray(props)) { | |
i = props.length; | |
while (i--) { | |
val = props[i]; | |
if (typeof val === 'string') { | |
name = camelize(val); | |
res[name] = { type: null }; | |
} else if ("development" !== 'production') { | |
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) { | |
normalizeComponents(child); | |
normalizeProps(child); | |
normalizeDirectives(child); | |
var extendsFrom = child.extends; | |
if (extendsFrom) { | |
parent = typeof extendsFrom === 'function' ? mergeOptions(parent, extendsFrom.options, vm) : mergeOptions(parent, extendsFrom, vm); | |
} | |
if (child.mixins) { | |
for (var i = 0, l = child.mixins.length; i < l; i++) { | |
var mixin = child.mixins[i]; | |
if (mixin.prototype instanceof Vue) { | |
mixin = mixin.options; | |
} | |
parent = mergeOptions(parent, mixin, vm); | |
} | |
} | |
var options = {}; | |
var key = void 0; | |
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]; | |
var res = assets[id] || | |
// camelCase ID | |
assets[camelize(id)] || | |
// Pascal Case ID | |
assets[capitalize(camelize(id))]; | |
if ("development" !== 'production' && warnMissing && !res) { | |
warn('Failed to resolve ' + type.slice(0, -1) + ': ' + id, options); | |
} | |
return res; | |
} | |
function validateProp(vm, key, propsData) { | |
/* istanbul ignore if */ | |
if (!vm.$options.props || !propsData) return; | |
var prop = vm.$options.props[key]; | |
var absent = !hasOwn(propsData, key); | |
var value = propsData[key]; | |
// handle boolean props | |
if (prop.type === Boolean) { | |
if (absent && !hasOwn(prop, 'default')) { | |
value = false; | |
} else if (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. | |
observerState.shouldConvert = true; | |
observe(value); | |
observerState.shouldConvert = false; | |
} | |
if ("development" !== 'production') { | |
assertProp(prop, key, value, vm, absent); | |
} | |
return value; | |
} | |
/** | |
* Get the default value of a prop. | |
*/ | |
function getPropDefaultValue(vm, prop, name) { | |
// no default, return undefined | |
if (!hasOwn(prop, 'default')) { | |
return undefined; | |
} | |
var def = prop.default; | |
// warn against non-factory defaults for Object & Array | |
if (isObject(def)) { | |
"development" !== 'production' && warn('Invalid default value for prop "' + name + '": ' + 'Props with type Object/Array must use a factory function ' + 'to return the default value.', vm); | |
} | |
// call factory function for non-Function types | |
return typeof def === 'function' && 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; | |
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); | |
} | |
} | |
} | |
/** | |
* Assert the type of a value | |
*/ | |
function assertType(value, type) { | |
var valid = void 0; | |
var expectedType = void 0; | |
if (type === String) { | |
expectedType = 'string'; | |
valid = typeof value === expectedType; | |
} else if (type === Number) { | |
expectedType = 'number'; | |
valid = typeof value === expectedType; | |
} else if (type === Boolean) { | |
expectedType = 'boolean'; | |
valid = typeof value === expectedType; | |
} else if (type === Function) { | |
expectedType = 'function'; | |
valid = typeof value === expectedType; | |
} else if (type === Object) { | |
expectedType = 'Object'; | |
valid = isPlainObject(value); | |
} else if (type === Array) { | |
expectedType = 'Array'; | |
valid = Array.isArray(value); | |
} else { | |
expectedType = type.name || type.toString(); | |
valid = value instanceof type; | |
} | |
return { | |
valid: valid, | |
expectedType: expectedType | |
}; | |
} | |
var util = Object.freeze({ | |
defineReactive: defineReactive, | |
renderString: renderString, | |
makeMap: makeMap, | |
isBuiltInTag: isBuiltInTag, | |
remove: remove, | |
hasOwn: hasOwn, | |
isPrimitive: isPrimitive, | |
cached: cached, | |
camelize: camelize, | |
capitalize: capitalize, | |
hyphenate: hyphenate, | |
bind: bind, | |
toArray: toArray, | |
extend: extend, | |
isObject: isObject, | |
isPlainObject: isPlainObject, | |
toObject: toObject, | |
noop: noop, | |
no: no, | |
genStaticKeys: genStaticKeys, | |
isReserved: isReserved, | |
def: def, | |
parsePath: parsePath, | |
hasProto: hasProto, | |
inBrowser: inBrowser, | |
devtools: devtools, | |
nextTick: nextTick, | |
get _Set () { return Set$1; }, | |
mergeOptions: mergeOptions, | |
resolveAsset: resolveAsset, | |
get warn () { return warn; }, | |
validateProp: validateProp | |
}); | |
function initUse(Vue) { | |
Vue.use = function (plugin) { | |
/* istanbul ignore if */ | |
if (plugin.installed) { | |
return; | |
} | |
// additional parameters | |
var args = toArray(arguments, 1); | |
args.unshift(this); | |
if (typeof plugin.install === 'function') { | |
plugin.install.apply(plugin, args); | |
} else { | |
plugin.apply(null, args); | |
} | |
plugin.installed = true; | |
return this; | |
}; | |
} | |
function initMixin$1(Vue) { | |
Vue.mixin = function (mixin) { | |
Vue.options = mergeOptions(Vue.options, mixin); | |
// update constructors that are already created | |
config._ctors.forEach(function (Ctor) { | |
Ctor.options = mergeOptions(Ctor['super'].options, Ctor.extendOptions); | |
}); | |
}; | |
} | |
function initExtend(Vue) { | |
/** | |
* Each instance constructor, including Vue, has a unique | |
* cid. This enables us to create wrapped "child | |
* constructors" for prototypal inheritance and cache them. | |
*/ | |
Vue.cid = 0; | |
var cid = 1; | |
/** | |
* Class inheritance | |
*/ | |
Vue.extend = function (extendOptions) { | |
extendOptions = extendOptions || {}; | |
var Super = this; | |
var isFirstExtend = Super.cid === 0; | |
if (isFirstExtend && extendOptions._Ctor) { | |
return extendOptions._Ctor; | |
} | |
var name = extendOptions.name || Super.options.name; | |
if ("development" !== 'production') { | |
if (!/^[a-zA-Z][\w-]*$/.test(name)) { | |
warn('Invalid component name: "' + name + '". Component names ' + 'can only contain alphanumeric characaters and the hyphen.'); | |
name = null; | |
} | |
} | |
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; | |
// allow further extension | |
Sub.extend = Super.extend; | |
// create asset registers, so extended classes | |
// can have their private assets too. | |
config._assetTypes.forEach(function (type) { | |
Sub[type] = Super[type]; | |
}); | |
// enable recursive self-lookup | |
if (name) { | |
Sub.options.components[name] = Sub; | |
} | |
// book-keeping for global mixin edge cases. also expose a way to remove it | |
Sub.extendOptions = extendOptions; | |
config._ctors.push(Sub); | |
Sub.release = function () { | |
remove(config._ctors, Sub); | |
}; | |
// cache constructor | |
if (isFirstExtend) { | |
extendOptions._Ctor = Sub; | |
} | |
return Sub; | |
}; | |
} | |
function initAssetRegisters(Vue) { | |
/** | |
* Create asset registration methods. | |
*/ | |
config._assetTypes.forEach(function (type) { | |
Vue[type] = function (id, definition) { | |
if (!definition) { | |
return this.options[type + 's'][id]; | |
} else { | |
/* istanbul ignore if */ | |
if ("development" !== 'production') { | |
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 = Vue.extend(definition); | |
} | |
this.options[type + 's'][id] = definition; | |
return definition; | |
} | |
}; | |
}); | |
} | |
var KeepAlive = { | |
name: 'keep-alive', | |
_abstract: true, | |
props: { | |
child: Object | |
}, | |
created: function created() { | |
this.cache = Object.create(null); | |
}, | |
render: function render() { | |
var rawChild = this.child; | |
var realChild = getRealChild(this.child); | |
var cid = realChild.componentOptions.Ctor.cid; | |
if (this.cache[cid]) { | |
var child = realChild.child = this.cache[cid].child; | |
realChild.elm = this.$el = child.$el; | |
} else { | |
this.cache[cid] = realChild; | |
} | |
realChild.data.keepAlive = true; | |
return rawChild; | |
}, | |
destroyed: function destroyed() { | |
for (var key in this.cache) { | |
var vnode = this.cache[key]; | |
callHook(vnode.child, 'deactivated'); | |
vnode.child.$destroy(); | |
} | |
} | |
}; | |
// in case the child is also an abstract component, e.g. <transition-control> | |
// we want to recrusively retrieve the real component to be rendered | |
function getRealChild(vnode) { | |
var compOptions = vnode && vnode.componentOptions; | |
if (compOptions && compOptions.Ctor.options._abstract) { | |
return getRealChild(compOptions.propsData.child); | |
} else { | |
return vnode; | |
} | |
} | |
var builtInComponents = { | |
KeepAlive: KeepAlive | |
}; | |
function initGlobalAPI(Vue) { | |
Vue.config = config; | |
Vue.util = util; | |
Vue.set = set; | |
Vue.delete = del; | |
Vue.nextTick = nextTick; | |
Vue.options = Object.create(null); | |
config._assetTypes.forEach(function (type) { | |
Vue.options[type + 's'] = Object.create(null); | |
}); | |
extend(Vue.options.components, builtInComponents); | |
initUse(Vue); | |
initMixin$1(Vue); | |
initExtend(Vue); | |
initAssetRegisters(Vue); | |
} | |
initGlobalAPI(Vue); | |
Object.defineProperty(Vue.prototype, '$isServer', { | |
get: function get() { | |
return config._isServer; | |
} | |
}); | |
Vue.version = '2.0.0-alpha.1'; | |
// attributes that should be using props for binding | |
var mustUseProp = makeMap('value,selected,checked,muted'); | |
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 isXlink(name) { | |
return name.charAt(5) === ':' && name.slice(0, 5) === 'xlink'; | |
}; | |
var getXlinkProp = function getXlinkProp(name) { | |
return isXlink(name) ? name.slice(6, name.length) : ''; | |
}; | |
var isFalsyAttrValue = function isFalsyAttrValue(val) { | |
return val == null || val === false; | |
}; | |
function genClassForVnode(vnode) { | |
var data = vnode.data; | |
// Important: check if this is a component container node | |
// or a child component root node | |
var i = void 0; | |
if ((i = vnode.child) && (i = i._vnode.data)) { | |
data = mergeClassData(i, data); | |
} | |
if ((i = vnode.parent) && (i = i.data)) { | |
data = mergeClassData(data, i); | |
} | |
return genClassFromData(data); | |
} | |
function mergeClassData(child, parent) { | |
return { | |
staticClass: concat(child.staticClass, parent.staticClass), | |
class: child.class ? [child.class, parent.class] : parent.class | |
}; | |
} | |
function genClassFromData(data) { | |
var dynamicClass = data.class; | |
var staticClass = data.staticClass; | |
if (staticClass || dynamicClass) { | |
return concat(staticClass, stringifyClass(dynamicClass)); | |
} | |
/* istanbul ignore next */ | |
return ''; | |
} | |
function concat(a, b) { | |
return a ? b ? a + ' ' + b : a : b || ''; | |
} | |
function stringifyClass(value) { | |
var res = ''; | |
if (!value) { | |
return res; | |
} | |
if (typeof value === 'string') { | |
return value; | |
} | |
if (Array.isArray(value)) { | |
var stringified = void 0; | |
for (var i = 0, l = value.length; i < l; i++) { | |
if (value[i]) { | |
if (stringified = stringifyClass(value[i])) { | |
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 isReservedTag = makeMap('html,base,head,link,meta,style,title,' + 'address,article,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'); | |
var isUnaryTag = makeMap('area,base,br,col,embed,frame,hr,img,input,isindex,keygen,' + 'link,meta,param,source,track,wbr', true); | |
// 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', true); | |
// 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', true); | |
// this map covers namespace elements that can appear as template root nodes | |
var isSVG = makeMap('svg,g,defs,symbol,use,image,text,circle,ellipse,' + 'line,path,polygon,polyline,rect', true); | |
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; | |
} | |
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()) && | |
// Chrome returns unknown for several HTML5 elements. | |
// https://code.google.com/p/chromium/issues/detail?id=540526 | |
!/^(data|time|rtc|rb)$/.test(tag); | |
} | |
} | |
var UA$1 = inBrowser && window.navigator.userAgent.toLowerCase(); | |
var isIE = UA$1 && /msie|trident/.test(UA$1); | |
var isIE9 = UA$1 && UA$1.indexOf('msie 9.0') > 0; | |
var isAndroid = UA$1 && UA$1.indexOf('android') > 0; | |
/** | |
* Query an element selector if it's not an element already. | |
*/ | |
function query(el) { | |
if (typeof el === 'string') { | |
var selector = el; | |
el = document.querySelector(el); | |
if (!el) { | |
"development" !== 'production' && warn('Cannot find element: ' + selector); | |
return document.createElement('div'); | |
} | |
} | |
return el; | |
} | |
function createElement(tagName) { | |
return document.createElement(tagName); | |
} | |
function createElementNS(namespace, tagName) { | |
return document.createElementNS(namespaceMap[namespace], tagName); | |
} | |
function createTextNode(text) { | |
return document.createTextNode(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 childNodes(node) { | |
return node.childNodes; | |
} | |
function setAttribute(node, key, val) { | |
node.setAttribute(key, val); | |
} | |
var nodeOps = Object.freeze({ | |
createElement: createElement, | |
createElementNS: createElementNS, | |
createTextNode: createTextNode, | |
insertBefore: insertBefore, | |
removeChild: removeChild, | |
appendChild: appendChild, | |
parentNode: parentNode, | |
nextSibling: nextSibling, | |
tagName: tagName, | |
setTextContent: setTextContent, | |
childNodes: childNodes, | |
setAttribute: setAttribute | |
}); | |
var emptyNode = new VNode('', {}, []); | |
var hooks$1 = ['create', 'update', 'postpatch', 'remove', 'destroy']; | |
function isUndef(s) { | |
return s == null; | |
} | |
function isDef(s) { | |
return s != null; | |
} | |
function sameVnode(vnode1, vnode2) { | |
return vnode1.key === vnode2.key && vnode1.tag === vnode2.tag; | |
} | |
function createKeyToOldIdx(children, beginIdx, endIdx) { | |
var i = void 0, | |
key = void 0; | |
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 = void 0, | |
j = void 0; | |
var cbs = {}; | |
var modules = backend.modules; | |
var nodeOps = backend.nodeOps; | |
for (i = 0; i < hooks$1.length; ++i) { | |
cbs[hooks$1[i]] = []; | |
for (j = 0; j < modules.length; ++j) { | |
if (modules[j][hooks$1[i]] !== undefined) cbs[hooks$1[i]].push(modules[j][hooks$1[i]]); | |
} | |
} | |
function emptyNodeAt(elm) { | |
return new VNode(nodeOps.tagName(elm).toLowerCase(), {}, [], undefined, elm); | |
} | |
function createRmCb(childElm, listeners) { | |
function remove() { | |
if (--remove.listeners === 0) { | |
removeElement(childElm); | |
} | |
} | |
remove.listeners = listeners; | |
return remove; | |
} | |
function removeElement(el) { | |
var parent = nodeOps.parentNode(el); | |
nodeOps.removeChild(parent, el); | |
} | |
function createElm(vnode, insertedVnodeQueue) { | |
var i = void 0, | |
elm = void 0; | |
var data = vnode.data; | |
if (isDef(data)) { | |
if (isDef(i = data.hook) && isDef(i = i.init)) i(vnode); | |
// 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(i = vnode.child)) { | |
invokeCreateHooks(vnode, insertedVnodeQueue); | |
setScope(vnode); | |
return vnode.elm; | |
} | |
} | |
var children = vnode.children; | |
var tag = vnode.tag; | |
if (isDef(tag)) { | |
elm = vnode.elm = vnode.ns ? nodeOps.createElementNS(vnode.ns, tag) : nodeOps.createElement(tag); | |
setScope(vnode); | |
if (Array.isArray(children)) { | |
for (i = 0; i < children.length; ++i) { | |
nodeOps.appendChild(elm, createElm(children[i], insertedVnodeQueue)); | |
} | |
} else if (isPrimitive(vnode.text)) { | |
nodeOps.appendChild(elm, nodeOps.createTextNode(vnode.text)); | |
} | |
if (isDef(data)) { | |
invokeCreateHooks(vnode, insertedVnodeQueue); | |
} | |
} else { | |
elm = vnode.elm = nodeOps.createTextNode(vnode.text); | |
} | |
return vnode.elm; | |
} | |
function invokeCreateHooks(vnode, insertedVnodeQueue) { | |
for (var _i = 0; _i < cbs.create.length; ++_i) { | |
cbs.create[_i](emptyNode, vnode); | |
} | |
i = vnode.data.hook; // Reuse variable | |
if (isDef(i)) { | |
if (i.create) i.create(emptyNode, vnode); | |
if (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 = void 0; | |
if (isDef(i = vnode.context) && isDef(i = i.$options._scopeId)) { | |
nodeOps.setAttribute(vnode.elm, i, ''); | |
} | |
} | |
function addVnodes(parentElm, before, vnodes, startIdx, endIdx, insertedVnodeQueue) { | |
for (; startIdx <= endIdx; ++startIdx) { | |
nodeOps.insertBefore(parentElm, createElm(vnodes[startIdx], insertedVnodeQueue), before); | |
} | |
} | |
function invokeDestroyHook(vnode) { | |
var i = void 0, | |
j = void 0; | |
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.child)) { | |
invokeDestroyHook(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)) { | |
invokeDestroyHook(ch); | |
removeAndInvokeRemoveHook(ch); | |
} else { | |
// Text node | |
nodeOps.removeChild(parentElm, ch.elm); | |
} | |
} | |
} | |
} | |
function removeAndInvokeRemoveHook(vnode, rm) { | |
if (rm || isDef(vnode.data)) { | |
var listeners = cbs.remove.length + 1; | |
if (!rm) { | |
// directly removing | |
rm = createRmCb(vnode.elm, listeners); | |
} else { | |
// we have a recursively passed down rm callback | |
// increase the listeners count | |
rm.listeners += listeners; | |
} | |
// recursively invoke hooks on child component root node | |
if (isDef(i = vnode.child) && 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 { | |
removeElement(vnode.elm); | |
} | |
} | |
function updateChildren(parentElm, oldCh, newCh, insertedVnodeQueue) { | |
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 = void 0, | |
idxInOld = void 0, | |
elmToMove = void 0, | |
before = void 0; | |
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); | |
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); | |
nodeOps.insertBefore(parentElm, oldEndVnode.elm, oldStartVnode.elm); | |
oldEndVnode = oldCh[--oldEndIdx]; | |
newStartVnode = newCh[++newStartIdx]; | |
} else { | |
if (isUndef(oldKeyToIdx)) oldKeyToIdx = createKeyToOldIdx(oldCh, oldStartIdx, oldEndIdx); | |
idxInOld = oldKeyToIdx[newStartVnode.key]; | |
if (isUndef(idxInOld)) { | |
// New element | |
nodeOps.insertBefore(parentElm, createElm(newStartVnode, insertedVnodeQueue), 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 (elmToMove.tag !== newStartVnode.tag) { | |
// same key but different element. treat as new element | |
nodeOps.insertBefore(parentElm, createElm(newStartVnode, insertedVnodeQueue), oldStartVnode.elm); | |
newStartVnode = newCh[++newStartIdx]; | |
} else { | |
patchVnode(elmToMove, newStartVnode, insertedVnodeQueue); | |
oldCh[idxInOld] = undefined; | |
nodeOps.insertBefore(parentElm, newStartVnode.elm, oldStartVnode.elm); | |
newStartVnode = newCh[++newStartIdx]; | |
} | |
} | |
} | |
} | |
if (oldStartIdx > oldEndIdx) { | |
before = isUndef(newCh[newEndIdx + 1]) ? null : newCh[newEndIdx + 1].elm; | |
addVnodes(parentElm, before, newCh, newStartIdx, newEndIdx, insertedVnodeQueue); | |
} else if (newStartIdx > newEndIdx) { | |
removeVnodes(parentElm, oldCh, oldStartIdx, oldEndIdx); | |
} | |
} | |
function patchVnode(oldVnode, vnode, insertedVnodeQueue) { | |
if (oldVnode === vnode) return; | |
var i = void 0, | |
hook = void 0; | |
if (isDef(i = vnode.data) && isDef(hook = i.hook) && isDef(i = hook.prepatch)) { | |
i(oldVnode, vnode); | |
} | |
var elm = vnode.elm = oldVnode.elm; | |
var oldCh = oldVnode.children; | |
var ch = vnode.children; | |
if (isDef(vnode.data)) { | |
for (i = 0; i < cbs.update.length; ++i) { | |
cbs.update[i](oldVnode, vnode); | |
}if (isDef(hook) && isDef(i = hook.update)) i(oldVnode, vnode); | |
} | |
if (isUndef(vnode.text)) { | |
if (isDef(oldCh) && isDef(ch)) { | |
if (oldCh !== ch) updateChildren(elm, oldCh, ch, insertedVnodeQueue); | |
} 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(vnode.data)) { | |
for (i = 0; i < cbs.postpatch.length; ++i) { | |
cbs.postpatch[i](oldVnode, vnode); | |
}if (isDef(hook) && isDef(i = hook.postpatch)) i(oldVnode, vnode); | |
} | |
} | |
function invokeInsertHook(queue) { | |
for (var _i2 = 0; _i2 < queue.length; ++_i2) { | |
queue[_i2].data.hook.insert(queue[_i2]); | |
} | |
} | |
function hydrate(elm, vnode, insertedVnodeQueue) { | |
if ("development" !== 'production') { | |
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.child)) { | |
// child component. it should have hydrated its own tree. | |
invokeCreateHooks(vnode, insertedVnodeQueue); | |
return true; | |
} | |
} | |
if (isDef(tag)) { | |
if (isDef(children)) { | |
var childNodes = nodeOps.childNodes(elm); | |
for (var _i3 = 0; _i3 < children.length; _i3++) { | |
var success = hydrate(childNodes[_i3], children[_i3], insertedVnodeQueue); | |
if (!success) { | |
return false; | |
} | |
} | |
} | |
if (isDef(data)) { | |
invokeCreateHooks(vnode, insertedVnodeQueue); | |
} | |
} | |
return true; | |
} | |
function assertNodeMatch(node, vnode) { | |
if (vnode.tag) { | |
if (vnode.tag.indexOf('vue-component') === 0) { | |
return true; | |
} else { | |
var childNodes = nodeOps.childNodes(node); | |
return vnode.tag === nodeOps.tagName(node).toLowerCase() && (vnode.children ? vnode.children.length === childNodes.length : childNodes.length === 0); | |
} | |
} else { | |
return renderString(vnode.text) === node.data; | |
} | |
} | |
return function patch(oldVnode, vnode, hydrating) { | |
var elm = void 0, | |
parent = void 0; | |
var insertedVnodeQueue = []; | |
if (!oldVnode) { | |
// empty mount, create new root element | |
createElm(vnode, insertedVnodeQueue); | |
} else { | |
var isRealElement = isDef(oldVnode.nodeType); | |
if (!isRealElement && sameVnode(oldVnode, vnode)) { | |
patchVnode(oldVnode, vnode, insertedVnodeQueue); | |
} 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.hasAttribute('server-rendered')) { | |
oldVnode.removeAttribute('server-rendered'); | |
hydrating = true; | |
} | |
if (hydrating) { | |
if (hydrate(oldVnode, vnode, insertedVnodeQueue)) { | |
invokeInsertHook(insertedVnodeQueue); | |
return oldVnode; | |
} else if ("development" !== 'production') { | |
warn('The client-side rendered virtual DOM tree is not matching ' + 'server-rendered content. 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); | |
} | |
elm = oldVnode.elm; | |
parent = nodeOps.parentNode(elm); | |
createElm(vnode, insertedVnodeQueue); | |
if (parent !== null) { | |
nodeOps.insertBefore(parent, vnode.elm, nodeOps.nextSibling(elm)); | |
removeVnodes(parent, [oldVnode], 0, 0); | |
} else if (isDef(oldVnode.tag)) { | |
invokeDestroyHook(oldVnode); | |
} | |
} | |
} | |
invokeInsertHook(insertedVnodeQueue); | |
return vnode.elm; | |
}; | |
} | |
var directives = { | |
create: function bindDirectives(oldVnode, vnode) { | |
applyDirectives(oldVnode, vnode, 'bind'); | |
}, | |
update: function updateDirectives(oldVnode, vnode) { | |
applyDirectives(oldVnode, vnode, 'update'); | |
}, | |
postpatch: function postupdateDirectives(oldVnode, vnode) { | |
applyDirectives(oldVnode, vnode, 'postupdate'); | |
}, | |
destroy: function unbindDirectives(vnode) { | |
applyDirectives(vnode, vnode, 'unbind'); | |
} | |
}; | |
function applyDirectives(oldVnode, vnode, hook) { | |
var dirs = vnode.data.directives; | |
if (dirs) { | |
var oldDirs = oldVnode.data.directives; | |
var isUpdate = hook === 'update'; | |
for (var i = 0; i < dirs.length; i++) { | |
var dir = dirs[i]; | |
var def = resolveAsset(vnode.context.$options, 'directives', dir.name, true); | |
var fn = def && def[hook]; | |
if (fn) { | |
// only call update if value has changed | |
if (isUpdate && oldDirs) { | |
var oldValue = dir.oldValue = oldDirs[i].value; | |
if (oldValue === dir.value) { | |
continue; | |
} | |
} | |
fn(vnode.elm, dir, vnode, oldVnode); | |
} | |
} | |
} | |
} | |
var ref = { | |
create: function create(_, vnode) { | |
registerRef(vnode, false); | |
}, | |
destroy: function destroy(vnode) { | |
registerRef(vnode, true); | |
} | |
}; | |
function registerRef(vnode, isRemoval) { | |
var key = vnode.data.ref; | |
if (!key) return; | |
var vm = vnode.context; | |
var ref = vnode.child || vnode.elm; | |
var refs = vm.$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].push(ref); | |
} else { | |
refs[key] = [ref]; | |
} | |
} else { | |
refs[key] = ref; | |
} | |
} | |
} | |
var baseModules = [ref, directives]; | |
function updateAttrs(oldVnode, vnode) { | |
if (!oldVnode.data.attrs && !vnode.data.attrs) { | |
return; | |
} | |
var key = void 0, | |
cur = void 0, | |
old = void 0; | |
var elm = vnode.elm; | |
var oldAttrs = oldVnode.data.attrs || {}; | |
var attrs = vnode.data.attrs || {}; | |
for (key in attrs) { | |
cur = attrs[key]; | |
old = oldAttrs[key]; | |
if (old !== cur) { | |
setAttr(elm, key, cur); | |
} | |
} | |
for (key in oldAttrs) { | |
if (attrs[key] == null) { | |
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: function create(_, vnode) { | |
var attrs = vnode.data.staticAttrs; | |
if (attrs) { | |
for (var key in attrs) { | |
setAttr(vnode.elm, key, attrs[key]); | |
} | |
} | |
updateAttrs(_, vnode); | |
}, | |
update: updateAttrs | |
}; | |
function updateClass(oldVnode, vnode) { | |
var el = vnode.elm; | |
var data = vnode.data; | |
if (!data.staticClass && !data.class) { | |
return; | |
} | |
var cls = genClassForVnode(vnode); | |
// handle transition classes | |
var transitionClass = el._transitionClasses; | |
if (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 | |
}; | |
function updateDOMListeners(oldVnode, vnode) { | |
if (!oldVnode.data.on && !vnode.data.on) { | |
return; | |
} | |
var on = vnode.data.on || {}; | |
var oldOn = oldVnode.data.on || {}; | |
var add = vnode.elm._v_add || (vnode.elm._v_add = function (event, handler, capture) { | |
vnode.elm.addEventListener(event, handler, capture); | |
}); | |
var remove = vnode.elm._v_remove || (vnode.elm._v_remove = function (event, handler) { | |
vnode.elm.removeEventListener(event, handler); | |
}); | |
updateListeners(on, oldOn, add, remove); | |
} | |
var events = { | |
create: updateDOMListeners, | |
update: updateDOMListeners | |
}; | |
function updateProps(oldVnode, vnode) { | |
if (!oldVnode.data.props && !vnode.data.props) { | |
return; | |
} | |
var key = void 0, | |
cur = void 0; | |
var elm = vnode.elm; | |
var oldProps = oldVnode.data.props || {}; | |
var props = vnode.data.props || {}; | |
for (key in oldProps) { | |
if (props[key] == null) { | |
elm[key] = undefined; | |
} | |
} | |
for (key in props) { | |
cur = props[key]; | |
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 | |
if (elm.value != cur) { | |
// eslint-disable-line | |
elm.value = cur; | |
} | |
} else { | |
elm[key] = cur; | |
} | |
} | |
} | |
var props = { | |
create: updateProps, | |
update: updateProps | |
}; | |
var prefixes = ['Webkit', 'Moz', 'ms']; | |
var testEl = void 0; | |
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) { | |
if (!oldVnode.data.style && !vnode.data.style) { | |
return; | |
} | |
var cur = void 0, | |
name = void 0; | |
var elm = vnode.elm; | |
var oldStyle = oldVnode.data.style || {}; | |
var style = vnode.data.style || {}; | |
// handle array syntax | |
if (Array.isArray(style)) { | |
style = vnode.data.style = toObject(style); | |
} | |
for (name in oldStyle) { | |
if (!style[name]) { | |
elm.style[normalize(name)] = ''; | |
} | |
} | |
for (name in style) { | |
cur = style[name]; | |
if (cur !== oldStyle[name]) { | |
// ie9 setting to null has no effect, must use empty string | |
elm.style[normalize(name)] = cur || ''; | |
} | |
} | |
// clone the style for future updates, | |
// in case the user mutates the style object in-place. | |
vnode.data.style = extend({}, style); | |
} | |
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 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 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()); | |
} | |
} | |
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'; | |
} | |
} | |
var raf = inBrowser && window.requestAnimationFrame || setTimeout; | |
function nextFrame(fn) { | |
raf(function () { | |
raf(fn); | |
}); | |
} | |
function enter(vnode) { | |
var el = vnode.elm; | |
// call leave callback now | |
if (el._leaveCb) { | |
el._leaveCb.cancelled = true; | |
el._leaveCb(); | |
} | |
var data = vnode.data.transition; | |
if (!data) { | |
return; | |
} | |
var isAppear = !vnode.context.$root._isMounted; | |
if (isAppear && !data.appear && data.appear !== '') { | |
return; | |
} | |
var _resolveTransition = resolveTransition(data, vnode.context); | |
var css = _resolveTransition.css; | |
var enterClass = _resolveTransition.enterClass; | |
var enterActiveClass = _resolveTransition.enterActiveClass; | |
var appearClass = _resolveTransition.appearClass; | |
var appearActiveClass = _resolveTransition.appearActiveClass; | |
var beforeEnter = _resolveTransition.beforeEnter; | |
var onEnter = _resolveTransition.onEnter; | |
var afterEnter = _resolveTransition.afterEnter; | |
var enterCancelled = _resolveTransition.enterCancelled; | |
var beforeAppear = _resolveTransition.beforeAppear; | |
var onAppear = _resolveTransition.onAppear; | |
var afterAppear = _resolveTransition.afterAppear; | |
var appearCancelled = _resolveTransition.appearCancelled; | |
var startClass = isAppear ? appearClass : enterClass; | |
var activeClass = isAppear ? appearActiveClass : enterActiveClass; | |
var beforeEnterHook = isAppear ? beforeAppear || beforeEnter : beforeEnter; | |
var enterHook = isAppear ? onAppear || onEnter : onEnter; | |
var afterEnterHook = isAppear ? afterAppear || afterEnter : afterEnter; | |
var enterCancelledHook = isAppear ? appearCancelled || enterCancelled : enterCancelled; | |
var expectsCSS = css !== false; | |
var userWantsControl = enterHook && enterHook.length > 1; | |
var cb = el._enterCb = once(function () { | |
if (expectsCSS) { | |
removeTransitionClass(el, activeClass); | |
} | |
if (cb.cancelled) { | |
if (expectsCSS) { | |
removeTransitionClass(el, startClass); | |
} | |
enterCancelledHook && enterCancelledHook(el); | |
} else { | |
afterEnterHook && afterEnterHook(el); | |
} | |
el._enterCb = null; | |
}); | |
beforeEnterHook && beforeEnterHook(el); | |
if (expectsCSS) { | |
addTransitionClass(el, startClass); | |
nextFrame(function () { | |
removeTransitionClass(el, startClass); | |
if (!cb.cancelled) { | |
addTransitionClass(el, activeClass); | |
if (!userWantsControl) { | |
whenTransitionEnds(el, cb); | |
} | |
} | |
}); | |
} | |
enterHook && enterHook(el, cb); | |
if (!expectsCSS && !userWantsControl) { | |
cb(); | |
} | |
} | |
function leave(vnode, rm) { | |
var el = vnode.elm; | |
// call enter callback now | |
if (el._enterCb) { | |
el._enterCb.cancelled = true; | |
el._enterCb(); | |
} | |
var data = vnode.data.transition; | |
if (!data) { | |
return rm(); | |
} | |
var _resolveTransition2 = resolveTransition(data, vnode.context); | |
var css = _resolveTransition2.css; | |
var leaveClass = _resolveTransition2.leaveClass; | |
var leaveActiveClass = _resolveTransition2.leaveActiveClass; | |
var beforeLeave = _resolveTransition2.beforeLeave; | |
var onLeave = _resolveTransition2.onLeave; | |
var afterLeave = _resolveTransition2.afterLeave; | |
var leaveCancelled = _resolveTransition2.leaveCancelled; | |
var delayLeave = _resolveTransition2.delayLeave; | |
var expectsCSS = css !== false; | |
var userWantsControl = onLeave && onLeave.length > 1; | |
var cb = el._leaveCb = once(function () { | |
if (expectsCSS) { | |
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() { | |
beforeLeave && beforeLeave(el); | |
if (expectsCSS) { | |
addTransitionClass(el, leaveClass); | |
nextFrame(function () { | |
removeTransitionClass(el, leaveClass); | |
if (!cb.cancelled) { | |
addTransitionClass(el, leaveActiveClass); | |
if (!userWantsControl) { | |
whenTransitionEnds(el, cb); | |
} | |
} | |
}); | |
} | |
onLeave && onLeave(el, cb); | |
if (!expectsCSS && !userWantsControl) { | |
cb(); | |
} | |
} | |
} | |
function resolveTransition(id, context) { | |
var def = void 0; | |
if (id && typeof id === 'string') { | |
def = resolveAsset(context.$options, 'transitions', id); | |
return def ? ensureTransitionClasses(def.name || id, def) : autoCssTransition(id); | |
} else if (typeof id === 'object') { | |
// inline transition object | |
if (id.name) { | |
def = resolveAsset(context.$options, 'transitions', id.name); | |
} | |
def = def ? extend(ensureTransitionClasses(id.name, def), id) : ensureTransitionClasses(id.name, id); | |
// extra hooks to be merged | |
// added by <transition-control> | |
if (id.hooks) { | |
for (var key in id.hooks) { | |
mergeHook$2(def, key, id.hooks[key]); | |
} | |
} | |
return def; | |
} else { | |
return autoCssTransition('v'); | |
} | |
} | |
function ensureTransitionClasses(name, def) { | |
name = name || 'v'; | |
var res = {}; | |
if (def.css !== false) { | |
extend(res, autoCssTransition(name)); | |
} | |
extend(res, def); | |
return res; | |
} | |
var autoCssTransition = cached(function (name) { | |
return { | |
enterClass: name + '-enter', | |
leaveClass: name + '-leave', | |
appearClass: name + '-enter', | |
enterActiveClass: name + '-enter-active', | |
leaveActiveClass: name + '-leave-active', | |
appearActiveClass: name + '-enter-active' | |
}; | |
}); | |
function mergeHook$2(def, key, hook) { | |
var oldHook = def[key]; | |
if (oldHook) { | |
def[key] = function () { | |
oldHook.apply(this, arguments); | |
hook(); | |
}; | |
} else { | |
def[key] = hook; | |
} | |
} | |
function addTransitionClass(el, cls) { | |
(el._transitionClasses || (el._transitionClasses = [])).push(cls); | |
addClass(el, cls); | |
} | |
function removeTransitionClass(el, cls) { | |
remove(el._transitionClasses, cls); | |
removeClass(el, cls); | |
} | |
function whenTransitionEnds(el, cb) { | |
var _getTransitionInfo = getTransitionInfo(el); | |
var type = _getTransitionInfo.type; | |
var timeout = _getTransitionInfo.timeout; | |
var propCount = _getTransitionInfo.propCount; | |
if (!type) return cb(); | |
var event = type === TRANSITION ? transitionEndEvent : animationEndEvent; | |
var ended = 0; | |
var end = function end() { | |
el.removeEventListener(event, onEnd); | |
cb(); | |
}; | |
var onEnd = function onEnd() { | |
if (++ended >= propCount) { | |
end(); | |
} | |
}; | |
setTimeout(function () { | |
if (ended < propCount) { | |
end(); | |
} | |
}, timeout + 1); | |
el.addEventListener(event, onEnd); | |
} | |
function getTransitionInfo(el) { | |
var styles = window.getComputedStyle(el); | |
// 1. determine the maximum duration (timeout) | |
var transitioneDelays = styles[transitionProp + 'Delay'].split(', '); | |
var transitionDurations = styles[transitionProp + 'Duration'].split(', '); | |
var animationDelays = styles[animationProp + 'Delay'].split(', '); | |
var animationDurations = styles[animationProp + 'Duration'].split(', '); | |
var transitionTimeout = getTimeout(transitioneDelays, transitionDurations); | |
var animationTimeout = getTimeout(animationDelays, animationDurations); | |
var timeout = Math.max(transitionTimeout, animationTimeout); | |
var type = timeout > 0 ? transitionTimeout > animationTimeout ? TRANSITION : ANIMATION : null; | |
var propCount = type ? type === TRANSITION ? transitionDurations.length : animationDurations.length : 0; | |
return { | |
type: type, | |
timeout: timeout, | |
propCount: propCount | |
}; | |
} | |
function getTimeout(delays, durations) { | |
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 once(fn) { | |
var called = false; | |
return function () { | |
if (!called) { | |
called = true; | |
fn(); | |
} | |
}; | |
} | |
function shouldSkipTransition(vnode) { | |
return !!( | |
// if this is a component root node and the compoennt's | |
// parent container node also has transition, skip. | |
vnode.parent && vnode.parent.data.transition || | |
// if the element has v-show, let the runtime directive | |
// call the hooks instead | |
vnode.data.show); | |
} | |
var transition = hasTransition ? { | |
create: function create(_, vnode) { | |
if (!shouldSkipTransition(vnode)) { | |
enter(vnode); | |
} | |
}, | |
remove: function remove(vnode, rm) { | |
if (!shouldSkipTransition(vnode)) { | |
leave(vnode, rm); | |
} else { | |
rm(); | |
} | |
} | |
} : {}; | |
var platformModules = [attrs, klass, events, props, 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 }); | |
/* 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 = { | |
bind: function bind(el, binding, vnode) { | |
if ("development" !== 'production') { | |
if (!vnode.tag.match(/input|select|textarea/)) { | |
warn('v-model is not supported on element type: <' + vnode.tag + '>. ' + 'If you are working with contenteditable, it\'s recommended to ' + 'wrap a library dedicated for that purpose inside a custom component.', vnode.context); | |
} | |
} | |
if (vnode.tag === 'select') { | |
setSelected(el, binding.value); | |
} else { | |
if (!isAndroid) { | |
el.addEventListener('compositionstart', onCompositionStart); | |
el.addEventListener('compositionend', onCompositionEnd); | |
} | |
/* istanbul ignore if */ | |
if (isIE9) { | |
el.vmodel = true; | |
} | |
} | |
}, | |
postupdate: function postupdate(el, binding, vnode) { | |
var val = binding.value; | |
if (vnode.tag === 'select') { | |
setSelected(el, val); | |
// 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 matchig | |
// option in the DOM. | |
var needReset = el.multiple ? val.some(function (v) { | |
return hasNoMatchingOption(v, el.options); | |
}) : hasNoMatchingOption(val, el.options); | |
if (needReset) { | |
trigger(el, 'change'); | |
} | |
} | |
} | |
}; | |
function setSelected(el, value) { | |
var isMultiple = el.multiple; | |
if (!isMultiple) { | |
el.selectedIndex = -1; | |
} | |
for (var i = 0, l = el.options.length; i < l; i++) { | |
var option = el.options[i]; | |
if (isMultiple) { | |
option.selected = value.indexOf(getValue(option)) > -1; | |
} else { | |
if (getValue(option) === value) { | |
el.selectedIndex = i; | |
break; | |
} | |
} | |
} | |
} | |
function hasNoMatchingOption(value, options) { | |
for (var i = 0, l = options.length; i < l; i++) { | |
if (getValue(options[i]) === value) { | |
return false; | |
} | |
} | |
return true; | |
} | |
function getValue(option) { | |
return '_value' in option ? option._value : option.value || option.text; | |
} | |
function onCompositionStart(e) { | |
e.target.composing = true; | |
} | |
function onCompositionEnd(e) { | |
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); | |
} | |
var show = { | |
bind: function bind(el, _ref, vnode) { | |
var value = _ref.value; | |
var transition = getTransition(vnode); | |
if (value && transition && transition.appear && !isIE9) { | |
enter(vnode); | |
} | |
el.style.display = value ? '' : 'none'; | |
}, | |
update: function update(el, _ref2, vnode) { | |
var value = _ref2.value; | |
var transition = getTransition(vnode); | |
if (transition && !isIE9) { | |
if (value) { | |
enter(vnode); | |
el.style.display = ''; | |
} else { | |
leave(vnode, function () { | |
el.style.display = 'none'; | |
}); | |
} | |
} else { | |
el.style.display = value ? '' : 'none'; | |
} | |
} | |
}; | |
function getTransition(vnode) { | |
var parent = vnode.parent; | |
return parent && parent.data.transition != null ? parent.data.transition : vnode.data.transition; | |
} | |
var platformDirectives = { | |
model: model, | |
show: show | |
}; | |
var TransitionControl = { | |
name: 'transition-control', | |
_abstract: true, | |
props: { | |
child: Object, | |
mode: { | |
validator: function validator(val) { | |
/* istanbul ignore if */ | |
if (val && val !== 'out-in' && val !== 'in-out') { | |
warn('transition-mode must be either "out-in" or "in-out".'); | |
return false; | |
} | |
return true; | |
} | |
} | |
}, | |
render: function render() { | |
var _this = this; | |
var oldChild = this._vnode; | |
var newChild = this.child; | |
if (oldChild && oldChild.data && (oldChild.tag !== newChild.tag || oldChild.key !== newChild.key)) { | |
if (this.mode === 'out-in') { | |
// return empty node | |
// and queue an update when the leave finishes | |
return addHook(oldChild, { | |
afterLeave: function afterLeave() { | |
_this.$forceUpdate(); | |
} | |
}); | |
} else if (this.mode === 'in-out') { | |
(function () { | |
var delayedLeave = void 0; | |
var performLeave = function performLeave() { | |
delayedLeave(); | |
}; | |
addHook(newChild, { | |
afterEnter: performLeave, | |
enterCancelled: performLeave | |
}); | |
addHook(oldChild, { | |
delayLeave: function delayLeave(leave) { | |
delayedLeave = leave; | |
} | |
}); | |
})(); | |
} | |
} | |
return newChild; | |
} | |
}; | |
function addHook(vnode, hooks) { | |
/* istanbul ignore if */ | |
if (!vnode.data || !vnode.data.transition) { | |
return; | |
} | |
var trans = vnode.data.transition; | |
/* istanbul ignore else */ | |
if (typeof trans === 'string') { | |
trans = vnode.data.transition = { name: trans }; | |
} else if (typeof trans !== 'object') { | |
trans = vnode.data.transition = { name: 'v' }; | |
} | |
trans.hooks = hooks; | |
} | |
var platformComponents = { | |
TransitionControl: TransitionControl | |
}; | |
// install platform specific utils | |
Vue.config.isUnknownElement = isUnknownElement; | |
Vue.config.isReservedTag = isReservedTag; | |
Vue.config.mustUseProp = mustUseProp; | |
// install platform runtime directives & components | |
extend(Vue.options.directives, platformDirectives); | |
extend(Vue.options.components, platformComponents); | |
// install platform patch function | |
Vue.prototype.__patch__ = config._isServer ? noop : patch; | |
// wrap mount | |
Vue.prototype.$mount = function (el, hydrating) { | |
return this._mount(el && query(el), hydrating); | |
}; | |
var decoder = document.createElement('div'); | |
function decodeHTML(html) { | |
decoder.innerHTML = html; | |
return decoder.textContent; | |
} | |
// Regular Expressions for parsing tags and attributes | |
var singleAttrIdentifier = /([^\s"'<>\/=]+)/; | |
var singleAttrAssign = /=/; | |
var singleAttrAssigns = [singleAttrAssign]; | |
var singleAttrValues = [ | |
// attr value double quotes | |
/"([^"]*)"+/.source, | |
// attr value, single quotes | |
/'([^']*)'+/.source, | |
// attr value, no quotes | |
/([^\s"'=<>`]+)/.source]; | |
// 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 IS_REGEX_CAPTURING_BROKEN = false; | |
'x'.replace(/x(.)?/g, function (m, g) { | |
IS_REGEX_CAPTURING_BROKEN = g === ''; | |
}); | |
// Special Elements (can contain anything) | |
var special = makeMap('script,style', true); | |
var reCache = {}; | |
function attrForHandler(handler) { | |
var pattern = singleAttrIdentifier.source + '(?:\\s*(' + joinSingleAttrAssigns(handler) + ')' + '\\s*(?:' + singleAttrValues.join('|') + '))?'; | |
return new RegExp('^\\s*' + pattern); | |
} | |
function joinSingleAttrAssigns(handler) { | |
return singleAttrAssigns.map(function (assign) { | |
return '(?:' + assign.source + ')'; | |
}).join('|'); | |
} | |
function parseHTML(html, handler) { | |
var stack = []; | |
var attribute = attrForHandler(handler); | |
var expectHTML = handler.expectHTML; | |
var isUnaryTag = handler.isUnaryTag || no; | |
var isSpecialTag = handler.isSpecialTag || special; | |
var last = void 0, | |
prevTag = void 0, | |
nextTag = void 0, | |
lastTag = void 0; | |
while (html) { | |
last = html; | |
// Make sure we're not in a script or style element | |
if (!lastTag || !isSpecialTag(lastTag)) { | |
var textEnd = html.indexOf('<'); | |
if (textEnd === 0) { | |
// Comment: | |
if (/^<!--/.test(html)) { | |
var commentEnd = html.indexOf('-->'); | |
if (commentEnd >= 0) { | |
html = html.substring(commentEnd + 3); | |
prevTag = ''; | |
continue; | |
} | |
} | |
// http://en.wikipedia.org/wiki/Conditional_comment#Downlevel-revealed_conditional_comment | |
if (/^<!\[/.test(html)) { | |
var conditionalEnd = html.indexOf(']>'); | |
if (conditionalEnd >= 0) { | |
html = html.substring(conditionalEnd + 2); | |
prevTag = ''; | |
continue; | |
} | |
} | |
// Doctype: | |
var doctypeMatch = html.match(doctype); | |
if (doctypeMatch) { | |
if (handler.doctype) { | |
handler.doctype(doctypeMatch[0]); | |
} | |
html = html.substring(doctypeMatch[0].length); | |
prevTag = ''; | |
continue; | |
} | |
// End tag: | |
var endTagMatch = html.match(endTag); | |
if (endTagMatch) { | |
html = html.substring(endTagMatch[0].length); | |
endTagMatch[0].replace(endTag, parseEndTag); | |
prevTag = '/' + endTagMatch[1].toLowerCase(); | |
continue; | |
} | |
// Start tag: | |
var startTagMatch = parseStartTag(html); | |
if (startTagMatch) { | |
html = startTagMatch.rest; | |
handleStartTag(startTagMatch); | |
prevTag = startTagMatch.tagName.toLowerCase(); | |
continue; | |
} | |
} | |
var text = void 0; | |
if (textEnd >= 0) { | |
text = html.substring(0, textEnd); | |
html = html.substring(textEnd); | |
} else { | |
text = html; | |
html = ''; | |
} | |
// next tag | |
var nextTagMatch = parseStartTag(html); | |
if (nextTagMatch) { | |
nextTag = nextTagMatch.tagName; | |
} else { | |
nextTagMatch = html.match(endTag); | |
if (nextTagMatch) { | |
nextTag = '/' + nextTagMatch[1]; | |
} else { | |
nextTag = ''; | |
} | |
} | |
if (handler.chars) { | |
handler.chars(text, prevTag, nextTag); | |
} | |
prevTag = ''; | |
} else { | |
(function () { | |
var stackedTag = lastTag.toLowerCase(); | |
var reStackedTag = reCache[stackedTag] || (reCache[stackedTag] = new RegExp('([\\s\\S]*?)</' + stackedTag + '[^>]*>', 'i')); | |
html = html.replace(reStackedTag, function (all, text) { | |
if (stackedTag !== 'script' && stackedTag !== 'style' && stackedTag !== 'noscript') { | |
text = text.replace(/<!--([\s\S]*?)-->/g, '$1').replace(/<!\[CDATA\[([\s\S]*?)\]\]>/g, '$1'); | |
} | |
if (handler.chars) { | |
handler.chars(text); | |
} | |
return ''; | |
}); | |
parseEndTag('</' + stackedTag + '>', stackedTag); | |
})(); | |
} | |
if (html === last) { | |
throw new Error('Error parsing template:\n\n' + html); | |
} | |
} | |
if (!handler.partialMarkup) { | |
// Clean up any remaining tags | |
parseEndTag(); | |
} | |
function parseStartTag(input) { | |
var start = input.match(startTagOpen); | |
if (start) { | |
var match = { | |
tagName: start[1], | |
attrs: [] | |
}; | |
input = input.slice(start[0].length); | |
var end = void 0, | |
attr = void 0; | |
while (!(end = input.match(startTagClose)) && (attr = input.match(attribute))) { | |
input = input.slice(attr[0].length); | |
match.attrs.push(attr); | |
} | |
if (end) { | |
match.unarySlash = end[1]; | |
match.rest = input.slice(end[0].length); | |
return match; | |
} | |
} | |
} | |
function handleStartTag(match) { | |
var tagName = match.tagName; | |
var unarySlash = match.unarySlash; | |
if (expectHTML) { | |
if (lastTag === 'p' && isNonPhrasingTag(tagName)) { | |
parseEndTag('', lastTag); | |
} | |
if (canBeLeftOpenTag(tagName) && lastTag === tagName) { | |
parseEndTag('', tagName); | |
} | |
} | |
var unary = isUnaryTag(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]; | |
} | |
} | |
attrs[i] = { | |
name: args[1], | |
value: decodeHTML(args[3] || args[4] || args[5] || '') | |
}; | |
} | |
if (!unary) { | |
stack.push({ tag: tagName, attrs: attrs }); | |
lastTag = tagName; | |
unarySlash = ''; | |
} | |
if (handler.start) { | |
handler.start(tagName, attrs, unary, unarySlash); | |
} | |
} | |
function parseEndTag(tag, tagName) { | |
var pos = void 0; | |
// Find the closest opened tag of the same type | |
if (tagName) { | |
var needle = tagName.toLowerCase(); | |
for (pos = stack.length - 1; pos >= 0; pos--) { | |
if (stack[pos].tag.toLowerCase() === needle) { | |
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 (handler.end) { | |
handler.end(stack[i].tag, stack[i].attrs, i > pos || !tag); | |
} | |
} | |
// Remove the open elements from the stack | |
stack.length = pos; | |
lastTag = pos && stack[pos - 1].tag; | |
} else if (tagName.toLowerCase() === 'br') { | |
if (handler.start) { | |
handler.start(tagName, [], true, ''); | |
} | |
} else if (tagName.toLowerCase() === 'p') { | |
if (handler.start) { | |
handler.start(tagName, [], false, '', true); | |
} | |
if (handler.end) { | |
handler.end(tagName, []); | |
} | |
} | |
} | |
} | |
function parseFilters(exp) { | |
var inSingle = false; | |
var inDouble = false; | |
var curly = 0; | |
var square = 0; | |
var paren = 0; | |
var lastFilterIndex = 0; | |
var c = void 0, | |
prev = void 0, | |
i = void 0, | |
expression = void 0, | |
filters = void 0; | |
for (i = 0; i < exp.length; i++) { | |
prev = c; | |
c = exp.charCodeAt(i); | |
if (inSingle) { | |
// check single quote | |
if (c === 0x27 && prev !== 0x5C) inSingle = !inSingle; | |
} else if (inDouble) { | |
// check double quote | |
if (c === 0x22 && prev !== 0x5C) inDouble = !inDouble; | |
} 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 0x28: | |
paren++;break; // ( | |
case 0x29: | |
paren--;break; // ) | |
case 0x5B: | |
square++;break; // [ | |
case 0x5D: | |
square--;break; // ] | |
case 0x7B: | |
curly++;break; // { | |
case 0x7D: | |
curly--;break; // } | |
} | |
} | |
} | |
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; | |
} | |
} | |
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 = void 0, | |
index = void 0; | |
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('+'); | |
} | |
function baseWarn(msg) { | |
console.error('[Vue parser]: ' + 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 addStaticAttr(el, name, value) { | |
(el.staticAttrs || (el.staticAttrs = [])).push({ name: name, value: value }); | |
} | |
function addDirective(el, name, value, arg, modifiers) { | |
(el.directives || (el.directives = [])).push({ name: name, value: value, arg: arg, modifiers: modifiers }); | |
} | |
function addHook$1(el, name, code) { | |
var hooks = el.hooks || (el.hooks = {}); | |
var hook = hooks[name]; | |
/* istanbul ignore if */ | |
if (hook) { | |
hook.push(code); | |
} else { | |
hooks[name] = [code]; | |
} | |
} | |
function addHandler(el, name, value, modifiers) { | |
var events = el.events || (el.events = {}); | |
// check capture modifier | |
if (modifiers && modifiers.capture) { | |
delete modifiers.capture; | |
name = '!' + name; // mark the event as captured | |
} | |
var newHandler = { value: value, modifiers: modifiers }; | |
var handlers = events[name]; | |
/* istanbul ignore if */ | |
if (Array.isArray(handlers)) { | |
handlers.push(newHandler); | |
} else if (handlers) { | |
events[name] = [handlers, newHandler]; | |
} else { | |
events[name] = newHandler; | |
} | |
} | |
function getBindingAttr(el, name, getStatic) { | |
var dynamicValue = getAndRemoveAttr(el, ':' + name) || getAndRemoveAttr(el, 'v-bind:' + name); | |
if (dynamicValue != null) { | |
return dynamicValue; | |
} else if (getStatic !== false) { | |
var staticValue = getAndRemoveAttr(el, name); | |
if (staticValue != null) { | |
return JSON.stringify(staticValue); | |
} | |
} | |
} | |
function getAndRemoveAttr(el, name) { | |
var val = void 0; | |
if ((val = el.attrsMap[name]) != null) { | |
var list = el.attrsList; | |
for (var i = 0, l = list.length; i < l; i++) { | |
if (list[i].name === name) { | |
list.splice(i, 1); | |
break; | |
} | |
} | |
} | |
return val; | |
} | |
var dirRE = /^v-|^@|^:/; | |
var bindRE = /^:|^v-bind:/; | |
var onRE = /^@|^v-on:/; | |
var argRE = /:(.*)$/; | |
var modifierRE = /\.[^\.]+/g; | |
var forAliasRE = /(.*)\s+(?:in|of)\s+(.*)/; | |
var forIteratorRE = /\((.*),(.*)\)/; | |
var camelRE = /[a-z\d][A-Z]/; | |
var decodeHTMLCached = cached(decodeHTML); | |
// configurable state | |
var warn$1 = void 0; | |
var platformGetTagNamespace = void 0; | |
var platformMustUseProp = void 0; | |
var preTransforms = void 0; | |
var transforms = void 0; | |
var postTransforms = void 0; | |
var delimiters = void 0; | |
/** | |
* Convert HTML string to AST. | |
*/ | |
function parse(template, options) { | |
warn$1 = options.warn || baseWarn; | |
platformGetTagNamespace = options.getTagNamespace || no; | |
platformMustUseProp = options.mustUseProp || no; | |
preTransforms = pluckModuleFunction(options.modules, 'preTransformNode'); | |
transforms = pluckModuleFunction(options.modules, 'transformNode'); | |
postTransforms = pluckModuleFunction(options.modules, 'postTransformNode'); | |
delimiters = options.delimiters; | |
var stack = []; | |
var root = void 0; | |
var currentParent = void 0; | |
var inPre = false; | |
var warned = false; | |
parseHTML(template, { | |
expectHTML: options.expectHTML, | |
isUnaryTag: options.isUnaryTag, | |
start: function start(tag, attrs, unary) { | |
// check camelCase tag | |
if (camelRE.test(tag)) { | |
"development" !== 'production' && warn$1('Found camelCase tag in template: <' + tag + '>. ' + ('I\'ve converted it to <' + hyphenate(tag) + '> for you.')); | |
tag = hyphenate(tag); | |
} | |
tag = tag.toLowerCase(); | |
// check namespace. | |
// inherit parent ns if there is one | |
var ns = currentParent && currentParent.ns || platformGetTagNamespace(tag); | |
// handle IE svg bug | |
/* istanbul ignore if */ | |
if (options.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)) { | |
element.forbidden = true; | |
"development" !== 'production' && warn$1('Templates should only be responsbile for mapping the state to the ' + 'UI. Avoid placing tags with side-effects in your templates, such as ' + ('<' + tag + '>.')); | |
} | |
// apply pre-transforms | |
for (var i = 0; i < preTransforms.length; i++) { | |
preTransforms[i](element, options); | |
} | |
if (!inPre) { | |
processPre(element); | |
if (element.pre) { | |
inPre = true; | |
} | |
} | |
if (inPre) { | |
processRawAttrs(element); | |
} else { | |
processKey(element); | |
processFor(element); | |
processIf(element); | |
processOnce(element); | |
// determine whether this is a plain element after | |
// removing if/for/once attributes | |
element.plain = !element.key && !attrs.length; | |
processRender(element); | |
processSlot(element); | |
processComponent(element); | |
for (var _i = 0; _i < transforms.length; _i++) { | |
transforms[_i](element, options); | |
} | |
processAttrs(element); | |
} | |
// tree management | |
if (!root) { | |
root = element; | |
// check root element constraints | |
if ("development" !== 'production') { | |
if (tag === 'slot' || tag === 'template') { | |
warn$1('Cannot use <' + tag + '> as component root element because it may ' + 'contain multiple nodes:\n' + template); | |
} | |
if (element.attrsMap.hasOwnProperty('v-for')) { | |
warn$1('Cannot use v-for on component root element because it renders ' + 'multiple elements:\n' + template); | |
} | |
} | |
} else if ("development" !== 'production' && !stack.length && !warned) { | |
warned = true; | |
warn$1('Component template should contain exactly one root element:\n\n' + template); | |
} | |
if (currentParent && !element.forbidden) { | |
if (element.else) { | |
processElse(element, currentParent); | |
} else { | |
currentParent.children.push(element); | |
element.parent = currentParent; | |
} | |
} | |
if (!unary) { | |
currentParent = element; | |
stack.push(element); | |
} | |
// apply post-transforms | |
for (var _i2 = 0; _i2 < postTransforms.length; _i2++) { | |
postTransforms[_i2](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 === ' ') { | |
element.children.pop(); | |
} | |
// pop stack | |
stack.length -= 1; | |
currentParent = stack[stack.length - 1]; | |
// check pre state | |
if (element.pre) { | |
inPre = false; | |
} | |
}, | |
chars: function chars(text) { | |
if (!currentParent) { | |
if ("development" !== 'production' && !warned) { | |
warned = true; | |
warn$1('Component template should contain exactly one root element:\n\n' + template); | |
} | |
return; | |
} | |
text = currentParent.tag === 'pre' || text.trim() ? decodeHTMLCached(text) | |
// only preserve whitespace if its not right after a starting tag | |
: currentParent.children.length ? ' ' : ''; | |
if (text) { | |
var expression = void 0; | |
if (!inPre && text !== ' ' && (expression = parseText(text, delimiters))) { | |
currentParent.children.push({ | |
type: 2, | |
expression: expression, | |
text: text | |
}); | |
} else { | |
currentParent.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.staticAttrs = 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) { | |
el.key = exp; | |
} | |
} | |
function processFor(el) { | |
var exp = void 0; | |
if (exp = getAndRemoveAttr(el, 'v-for')) { | |
var inMatch = exp.match(forAliasRE); | |
if (!inMatch) { | |
"development" !== 'production' && warn$1('Invalid v-for expression: ' + exp); | |
return; | |
} | |
el.for = inMatch[2].trim(); | |
var alias = inMatch[1].trim(); | |
var iteratorMatch = alias.match(forIteratorRE); | |
if (iteratorMatch) { | |
el.iterator = iteratorMatch[1].trim(); | |
el.alias = iteratorMatch[2].trim(); | |
} else { | |
el.alias = alias; | |
} | |
} | |
} | |
function processIf(el) { | |
var exp = getAndRemoveAttr(el, 'v-if'); | |
if (exp) { | |
el.if = exp; | |
} | |
if (getAndRemoveAttr(el, 'v-else') != null) { | |
el.else = true; | |
} | |
} | |
function processElse(el, parent) { | |
var prev = findPrevElement(parent.children); | |
if (prev && prev.if) { | |
prev.elseBlock = el; | |
} else if ("development" !== 'production') { | |
warn$1('v-else used on element <' + el.tag + '> without corresponding v-if.'); | |
} | |
} | |
function processOnce(el) { | |
var once = getAndRemoveAttr(el, 'v-once'); | |
if (once != null) { | |
el.once = true; | |
} | |
} | |
function processRender(el) { | |
if (el.tag === 'render') { | |
el.render = true; | |
el.renderMethod = el.attrsMap[':method'] || el.attrsMap['v-bind:method']; | |
el.renderArgs = el.attrsMap[':args'] || el.attrsMap['v-bind:args']; | |
if ("development" !== 'production') { | |
if (el.attrsMap.method) { | |
warn$1('<render> method should use a dynamic binding, e.g. `:method="..."`.'); | |
} else if (!el.renderMethod) { | |
warn$1('method attribute is required on <render>.'); | |
} | |
if (el.attrsMap.args) { | |
warn$1('<render> args should use a dynamic binding, e.g. `:args="..."`.'); | |
} | |
} | |
} | |
} | |
function processSlot(el) { | |
if (el.tag === 'slot') { | |
el.slotName = getBindingAttr(el, 'name'); | |
} else { | |
var slotTarget = getBindingAttr(el, 'slot'); | |
if (slotTarget) { | |
el.slotTarget = slotTarget; | |
} | |
} | |
} | |
function processComponent(el) { | |
var binding = void 0; | |
if (binding = getBindingAttr(el, 'is')) { | |
el.component = binding; | |
} | |
if (getAndRemoveAttr(el, 'keep-alive') != null) { | |
el.keepAlive = true; | |
} | |
if (getAndRemoveAttr(el, 'inline-template') != null) { | |
el.inlineTemplate = true; | |
} | |
} | |
function processAttrs(el) { | |
var list = el.attrsList; | |
var i = void 0, | |
l = void 0, | |
name = void 0, | |
value = void 0, | |
arg = void 0, | |
modifiers = void 0; | |
for (i = 0, l = list.length; i < l; i++) { | |
name = list[i].name; | |
value = list[i].value; | |
if (dirRE.test(name)) { | |
// modifiers | |
modifiers = parseModifiers(name); | |
if (modifiers) { | |
name = name.replace(modifierRE, ''); | |
} | |
if (bindRE.test(name)) { | |
// v-bind | |
name = name.replace(bindRE, ''); | |
if (platformMustUseProp(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); | |
} else { | |
// normal directives | |
name = name.replace(dirRE, ''); | |
// parse arg | |
var argMatch = name.match(argRE); | |
if (argMatch && (arg = argMatch[1])) { | |
name = name.slice(0, -(arg.length + 1)); | |
} | |
addDirective(el, name, value, arg, modifiers); | |
} | |
} else { | |
// literal attribute | |
if ("development" !== 'production') { | |
var expression = parseText(value, delimiters); | |
if (expression) { | |
warn$1(name + '="' + value + '": ' + 'Interpolation inside attributes has been deprecated. ' + 'Use v-bind or the colon shorthand instead.'); | |
} | |
} | |
addStaticAttr(el, name, JSON.stringify(value)); | |
} | |
} | |
} | |
function parseModifiers(name) { | |
var match = name.match(modifierRE); | |
if (match) { | |
var _ret = function () { | |
var ret = {}; | |
match.forEach(function (m) { | |
ret[m.slice(1)] = true; | |
}); | |
return { | |
v: ret | |
}; | |
}(); | |
if (typeof _ret === "object") return _ret.v; | |
} | |
} | |
function makeAttrsMap(attrs) { | |
var map = {}; | |
for (var i = 0, l = attrs.length; i < l; i++) { | |
if ("development" !== 'production' && map[attrs[i].name]) { | |
warn$1('duplicate attribute: ' + attrs[i].name); | |
} | |
map[attrs[i].name] = attrs[i].value; | |
} | |
return map; | |
} | |
function findPrevElement(children) { | |
var i = children.length; | |
while (i--) { | |
if (children[i].tag) return children[i]; | |
} | |
} | |
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; | |
} | |
var isStaticKey = void 0; | |
var isPlatformReservedTag = void 0; | |
var genStaticKeysCached = cached(genStaticKeys$1); | |
/** | |
* Goal of the optimizier: 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 || function () { | |
return false; | |
}; | |
// first pass: mark all non-static nodes. | |
markStatic(root); | |
// second pass: mark static roots. | |
markStaticRoots(root); | |
} | |
function genStaticKeys$1(keys) { | |
return makeMap('type,tag,attrsList,attrsMap,plain,parent,children,staticAttrs' + (keys ? ',' + keys : '')); | |
} | |
function markStatic(node) { | |
node.static = isStatic(node); | |
if (node.type === 1) { | |
for (var i = 0, l = node.children.length; i < l; i++) { | |
var child = node.children[i]; | |
markStatic(child); | |
if (!child.static) { | |
node.static = false; | |
} | |
} | |
} | |
} | |
function markStaticRoots(node) { | |
if (node.type === 1 && (node.once || node.static)) { | |
node.staticRoot = true; | |
return; | |
} | |
if (node.children) { | |
for (var i = 0, l = node.children.length; i < l; i++) { | |
markStaticRoots(node.children[i]); | |
} | |
} | |
} | |
function isStatic(node) { | |
if (node.type === 2) { | |
// expression | |
return false; | |
} | |
if (node.type === 3) { | |
// text | |
return true; | |
} | |
return !!(node.pre || !node.if && !node.for && // not v-if or v-for or v-else | |
!isBuiltInTag(node.tag) && // not a built-in | |
isPlatformReservedTag(node.tag) && ( // not a component | |
node.plain || Object.keys(node).every(isStaticKey)) // no dynamic bindings | |
); | |
} | |
var simplePathRE = /^[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['.*?'\]|\[".*?"\]|\[\d+\]|\[[A-Za-z_$][\w$]*\])*$/; | |
// keyCode aliases | |
var keyCodes = { | |
esc: 27, | |
tab: 9, | |
enter: 13, | |
space: 32, | |
up: 38, | |
left: 37, | |
right: 39, | |
down: 40, | |
'delete': [8, 46] | |
}; | |
var modifierCode = { | |
stop: '$event.stopPropagation();', | |
prevent: '$event.preventDefault();', | |
self: 'if($event.target !== $event.currentTarget)return;' | |
}; | |
function genHandlers(events) { | |
var res = 'on:{'; | |
for (var name in events) { | |
res += '"' + name + '":' + genHandler(events[name]) + ','; | |
} | |
return res.slice(0, -1) + '}'; | |
} | |
function genHandler(handler) { | |
if (!handler) { | |
return 'function(){}'; | |
} else if (Array.isArray(handler)) { | |
return '[' + handler.map(genHandler).join(',') + ']'; | |
} else if (!handler.modifiers) { | |
return simplePathRE.test(handler.value) ? handler.value : 'function($event){' + handler.value + '}'; | |
} else { | |
var code = 'function($event){'; | |
for (var key in handler.modifiers) { | |
code += modifierCode[key] || genKeyFilter(key); | |
} | |
var handlerCode = simplePathRE.test(handler.value) ? handler.value + '($event)' : handler.value; | |
return code + handlerCode + '}'; | |
} | |
} | |
function genKeyFilter(key) { | |
var code = keyCodes[key]; | |
if (Array.isArray(code)) { | |
return 'if(' + code.map(function (c) { | |
return '$event.keyCode!==' + c; | |
}).join('&&') + ')return;'; | |
} else { | |
return 'if($event.keyCode!==' + code + ')return;'; | |
} | |
} | |
function ref$1(el, dir) { | |
if (dir.arg) { | |
el.ref = dir.arg; | |
// go up and check if this node is inside a v-for | |
var parent = el; | |
while (parent) { | |
if (parent.for !== undefined) { | |
el.refInFor = true; | |
break; | |
} | |
parent = parent.parent; | |
} | |
} | |
} | |
function bind$1(el, dir) { | |
addHook$1(el, 'construct', '_b(n1,' + dir.value + ')'); | |
} | |
var baseDirectives = { | |
ref: ref$1, | |
bind: bind$1, | |
cloak: noop | |
}; | |
// configurable state | |
var warn$2 = void 0; | |
var transforms$1 = void 0; | |
var dataGenFns = void 0; | |
var platformDirectives$1 = void 0; | |
var isPlatformReservedTag$1 = void 0; | |
var staticRenderFns = void 0; | |
var currentOptions = void 0; | |
function generate(ast, options) { | |
// save previous staticRenderFns so generate calls can be nested | |
var prevStaticRenderFns = staticRenderFns; | |
var currentStaticRenderFns = staticRenderFns = []; | |
currentOptions = options; | |
warn$2 = 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) : '_h(_e("div"))'; | |
staticRenderFns = prevStaticRenderFns; | |
return { | |
render: 'with(this){return ' + code + '}', | |
staticRenderFns: currentStaticRenderFns | |
}; | |
} | |
function genElement(el) { | |
if (el.for) { | |
return genFor(el); | |
} else if (el.if) { | |
return genIf(el); | |
} else if (el.tag === 'template' && !el.slotTarget) { | |
return genChildren(el) || 'void 0'; | |
} else if (el.tag === 'render') { | |
return genRender(el); | |
} else if (el.tag === 'slot') { | |
return genSlot(el); | |
} else { | |
// component or element | |
var code = void 0; | |
if (el.component) { | |
code = genComponent(el); | |
} else { | |
var data = genData(el); | |
// if the element is potentially a component, | |
// wrap its children as a thunk. | |
var children = !el.inlineTemplate ? genChildren(el, !el.ns && !isPlatformReservedTag$1(el.tag) /* asThunk */) : null; | |
code = '_h(_e(\'' + el.tag + '\'' + (data ? ',' + data : el.ns ? ',void 0' : '' // data | |
) + (el.ns ? ',\'' + el.ns + '\'' : '' // namespace | |
) + ')' + (children ? ',' + children : '' // children | |
) + ')'; | |
if (el.staticRoot) { | |
// hoist static sub-trees out | |
staticRenderFns.push('with(this){return ' + code + '}'); | |
code = '_m(' + (staticRenderFns.length - 1) + ')'; | |
} | |
} | |
// module transforms | |
for (var i = 0; i < transforms$1.length; i++) { | |
code = transforms$1[i](el, code); | |
} | |
// check keep-alive | |
if (el.component && el.keepAlive) { | |
code = '_h(_e("KeepAlive",{props:{child:' + code + '}}))'; | |
} | |
return code; | |
} | |
} | |
function genIf(el) { | |
var exp = el.if; | |
el.if = null; // avoid recursion | |
return '(' + exp + ')?' + genElement(el) + ':' + genElse(el); | |
} | |
function genElse(el) { | |
return el.elseBlock ? genElement(el.elseBlock) : 'void 0'; | |
} | |
function genFor(el) { | |
var exp = el.for; | |
var alias = el.alias; | |
var iterator = el.iterator; | |
el.for = null; // avoid recursion | |
return '(' + exp + ')&&_l((' + exp + '),' + ('function(' + alias + ',$index,' + (iterator || '$key') + '){') + ('return ' + genElement(el)) + '})'; | |
} | |
function genData(el) { | |
if (el.plain) { | |
return; | |
} | |
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,'; | |
} | |
// record original tag name for components using "is" attribute | |
if (el.component) { | |
data += 'tag:"' + el.tag + '",'; | |
} | |
// slot target | |
if (el.slotTarget) { | |
data += 'slot:' + el.slotTarget + ','; | |
} | |
// module data generation functions | |
for (var i = 0; i < dataGenFns.length; i++) { | |
data += dataGenFns[i](el); | |
} | |
// v-show, used to avoid transition being applied | |
// since v-show takes it over | |
if (el.attrsMap['v-show']) { | |
data += 'show:true,'; | |
} | |
// props | |
if (el.props) { | |
data += 'props:{' + genProps(el.props) + '},'; | |
} | |
// attributes | |
if (el.attrs) { | |
data += 'attrs:{' + genProps(el.attrs) + '},'; | |
} | |
// static attributes | |
if (el.staticAttrs) { | |
data += 'staticAttrs:{' + genProps(el.staticAttrs) + '},'; | |
} | |
// hooks | |
if (el.hooks) { | |
data += 'hook:{' + genHooks(el.hooks) + '},'; | |
} | |
// event handlers | |
if (el.events) { | |
data += genHandlers(el.events) + ','; | |
} | |
// inline-template | |
if (el.inlineTemplate) { | |
var ast = el.children[0]; | |
if ("development" !== 'production' && (el.children.length > 1 || ast.type !== 1)) { | |
warn$2('Inline-template components must have exactly one child element.'); | |
} | |
if (ast.type === 1) { | |
var inlineRenderFns = generate(ast, currentOptions); | |
data += 'inlineTemplate:{render:function(){' + inlineRenderFns.render + '},staticRenderFns:[' + inlineRenderFns.staticRenderFns.map(function (code) { | |
return 'function(){' + code + '}'; | |
}).join(',') + ']}'; | |
} | |
} | |
return data.replace(/,$/, '') + '}'; | |
} | |
function genDirectives(el) { | |
var dirs = el.directives; | |
if (!dirs) return; | |
var res = 'directives:['; | |
var hasRuntime = false; | |
var i = void 0, | |
l = void 0, | |
dir = void 0, | |
needRuntime = void 0; | |
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$2); | |
} | |
if (needRuntime) { | |
hasRuntime = true; | |
res += '{name:"' + dir.name + '"' + (dir.value ? ',value:(' + dir.value + ')' : '') + (dir.arg ? ',arg:"' + dir.arg + '"' : '') + (dir.modifiers ? ',modifiers:' + JSON.stringify(dir.modifiers) : '') + '},'; | |
} | |
} | |
if (hasRuntime) { | |
return res.slice(0, -1) + ']'; | |
} | |
} | |
function genChildren(el, asThunk) { | |
if (!el.children.length) { | |
return; | |
} | |
var code = '[' + el.children.map(genNode).join(',') + ']'; | |
return asThunk ? 'function(){return ' + code + '}' : code; | |
} | |
function genNode(node) { | |
if (node.type === 1) { | |
return genElement(node); | |
} else { | |
return genText(node); | |
} | |
} | |
function genText(text) { | |
return text.type === 2 ? '(' + text.expression + ')' : '_t(' + JSON.stringify(text.text) + ')'; | |
} | |
function genRender(el) { | |
if (!el.renderMethod) { | |
return 'void 0'; | |
} | |
var children = genChildren(el); | |
return el.renderMethod + '(' + (el.renderArgs || '') + (children ? (el.renderArgs ? ',' : '') + children : '') + ')'; | |
} | |
function genSlot(el) { | |
var slot = '$slots[' + (el.slotName || '"default"') + ']'; | |
var children = genChildren(el); | |
return children ? '(' + slot + '||' + children + ')' : slot; | |
} | |
function genComponent(el) { | |
var children = genChildren(el, true); | |
return '_h(_e(' + el.component + ',' + genData(el) + ')' + (children ? ',' + children : '') + ')'; | |
} | |
function genProps(props) { | |
var res = ''; | |
for (var i = 0; i < props.length; i++) { | |
var prop = props[i]; | |
res += '"' + prop.name + '":' + prop.value + ','; | |
} | |
return res.slice(0, -1); | |
} | |
function genHooks(hooks) { | |
var res = ''; | |
for (var _key in hooks) { | |
res += '"' + _key + '":function(n1,n2){' + hooks[_key].join(';') + '},'; | |
} | |
return res.slice(0, -1); | |
} | |
/** | |
* Compile a template. | |
*/ | |
function compile$1(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 | |
}; | |
} | |
var keywordRE = new RegExp('\\b' + ('do,if,in,for,let,new,try,var,case,else,with,await,break,catch,class,const,' + 'super,throw,while,yield,delete,export,import,return,switch,typeof,default,' + 'extends,finally,continue,debugger,function,arguments,instanceof').split(',').join('\\b|\\b') + '\\b'); | |
// 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) { | |
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 checkExpression(exp, text, errors) { | |
exp = stripToString(exp); | |
var keywordMatch = exp.match(keywordRE); | |
if (keywordMatch) { | |
errors.push('- avoid using JavaScript keyword as property name: ' + ('"' + keywordMatch[0] + '" in expression ' + text)); | |
} else { | |
try { | |
new Function(exp); | |
} catch (e) { | |
errors.push('- invalid expression: ' + text); | |
} | |
} | |
} | |
function stripToString(exp) { | |
return exp.replace(/^_s\((.*)\)$/, '$1'); | |
} | |
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 deprecated. ' + 'Use v-bind or the colon shorthand instead.'); | |
} | |
} | |
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) { | |
var styleBinding = getBindingAttr(el, 'style', false /* getStatic */); | |
if (styleBinding) { | |
el.styleBinding = styleBinding; | |
} | |
} | |
function genData$2(el) { | |
return el.styleBinding ? 'style:(' + el.styleBinding + '),' : ''; | |
} | |
var style$1 = { | |
transformNode: transformNode$1, | |
genData: genData$2 | |
}; | |
function transformNode$2(el) { | |
var transition = getBindingAttr(el, 'transition'); | |
if (transition === '""') { | |
transition = true; | |
} | |
if (transition) { | |
el.transition = transition; | |
} | |
var mode = getBindingAttr(el, 'transition-mode'); | |
if (mode) { | |
el.transitionMode = mode; | |
} | |
} | |
function genData$3(el) { | |
return el.transition ? 'transition:' + el.transition + ',' : ''; | |
} | |
function transformCode(el, code) { | |
return el.transitionMode ? '_h(_e(\'TransitionControl\',{props:{mode:' + el.transitionMode + ',child:' + code + '}}))' : code; | |
} | |
var transition$1 = { | |
transformNode: transformNode$2, | |
genData: genData$3, | |
transformCode: transformCode | |
}; | |
var modules$1 = [klass$1, style$1, transition$1]; | |
var warn$3 = void 0; | |
function model$1(el, dir, _warn) { | |
warn$3 = _warn; | |
var value = dir.value; | |
var modifiers = dir.modifiers; | |
if (el.tag === 'select') { | |
return genSelect(el, value); | |
} else { | |
switch (el.attrsMap.type) { | |
case 'checkbox': | |
genCheckboxModel(el, value); | |
break; | |
case 'radio': | |
genRadioModel(el, value); | |
break; | |
default: | |
return genDefaultModel(el, value, modifiers); | |
} | |
} | |
} | |
function genCheckboxModel(el, value) { | |
if ("development" !== 'production' && el.attrsMap.checked != null) { | |
warn$3('<' + el.tag + ' v-model="' + value + '" checked>:\n' + 'inline checked attributes will be ignored when using v-model. ' + 'Declare initial values in the component\'s data option instead.'); | |
} | |
var valueBinding = getBindingAttr(el, 'value'); | |
var trueValueBinding = getBindingAttr(el, 'true-value') || 'true'; | |
var falseValueBinding = getBindingAttr(el, 'false-value') || 'false'; | |
addProp(el, 'checked', 'Array.isArray(' + value + ')' + ('?(' + value + ').indexOf(' + valueBinding + ')>-1') + (':(' + value + ')===(' + trueValueBinding + ')')); | |
addHandler(el, 'change', 'var $$a=' + value + ',' + '$$el=$event.target,' + ('$$c=$$el.checked?(' + trueValueBinding + '):(' + falseValueBinding + ');') + 'if(Array.isArray($$a)){' + ('var $$v=' + valueBinding + ',') + '$$i=$$a.indexOf($$v);' + 'if($$c){$$i<0&&$$a.push($$v)}' + 'else{$$i>-1&&$$a.splice($$i,1)}' + ('}else{' + value + '=$$c}')); | |
} | |
function genRadioModel(el, value) { | |
if ("development" !== 'production' && el.attrsMap.checked != null) { | |
warn$3('<' + el.tag + ' v-model="' + value + '" checked>:\n' + 'inline checked attributes will be ignored when using v-model. ' + 'Declare initial values in the component\'s data option instead.'); | |
} | |
var valueBinding = getBindingAttr(el, 'value'); | |
addProp(el, 'checked', '(' + value + ')===(' + valueBinding + ')'); | |
addHandler(el, 'change', value + '=' + valueBinding); | |
} | |
function genDefaultModel(el, value, modifiers) { | |
if ("development" !== 'production') { | |
if (el.tag === 'input' && el.attrsMap.value) { | |
warn$3('<' + el.tag + ' v-model="' + value + '" value="' + el.attrsMap.value + '">:\n' + 'inline value attributes will be ignored when using v-model. ' + 'Declare initial values in the component\'s data option instead.'); | |
} | |
if (el.tag === 'textarea' && el.children.length) { | |
warn$3('<textarea v-model="' + value + '">:\n' + 'inline content inside <textarea> will be ignored when using v-model. ' + 'Declare initial values in the component\'s data option instead.'); | |
} | |
} | |
var type = el.attrsMap.type; | |
var _ref = modifiers || {}; | |
var lazy = _ref.lazy; | |
var number = _ref.number; | |
var trim = _ref.trim; | |
var event = lazy ? 'change' : 'input'; | |
var needCompositionGuard = !lazy && type !== 'range'; | |
var valueExpression = '$event.target.value' + (trim ? '.trim()' : ''); | |
var code = number || type === 'number' ? value + '=Number(' + valueExpression + ')' : value + '=' + valueExpression; | |
if (needCompositionGuard) { | |
code = 'if($event.target.composing)return;' + code; | |
} | |
addProp(el, 'value', '(' + value + ')'); | |
addHandler(el, event, code); | |
if (needCompositionGuard) { | |
// need runtime directive code to help with composition events | |
return true; | |
} | |
} | |
function genSelect(el, value) { | |
if ("development" !== 'production') { | |
el.children.some(checkOptionWarning); | |
} | |
var code = value + '=Array.prototype.filter' + '.call($event.target.options,function(o){return o.selected})' + '.map(function(o){return "_value" in o ? o._value : o.value})' + (el.attrsMap.multiple == null ? '[0]' : ''); | |
addHandler(el, 'change', code); | |
// need runtime to help with possible dynamically generated options | |
return true; | |
} | |
function checkOptionWarning(option) { | |
if (option.type === 1 && option.tag === 'option' && option.attrsMap.selected != null) { | |
var parentModel = option.parent && option.parent.type === 1 && option.parent.attrsMap['v-model']; | |
warn$3('<select v-model="' + parentModel + '">:\n' + 'inline selected attributes on <option> will be ignored when using v-model. ' + 'Declare initial values in the component\'s data option instead.'); | |
return true; | |
} | |
} | |
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$1, | |
text: text, | |
html: html | |
}; | |
var cache = Object.create(null); | |
var baseOptions = { | |
isIE: isIE, | |
expectHTML: true, | |
modules: modules$1, | |
staticKeys: genStaticKeys(modules$1), | |
directives: directives$1, | |
isReservedTag: isReservedTag, | |
isUnaryTag: isUnaryTag, | |
mustUseProp: mustUseProp, | |
getTagNamespace: getTagNamespace | |
}; | |
function compile(template, options) { | |
options = options ? extend(extend({}, baseOptions), options) : baseOptions; | |
return compile$1(template, options); | |
} | |
function compileToFunctions(template, options, vm) { | |
var _warn = options && options.warn || warn; | |
// detect possible CSP restriction | |
/* istanbul ignore if */ | |
if ("development" !== 'production') { | |
try { | |
new Function('return 1'); | |
} catch (e) { | |
if (e.toString().match(/unsafe-eval|CSP/)) { | |
_warn('It seems you are using the standalone build of Vue.js in an ' + 'environment with Content Security Policy that prohibits unsafe-eval. ' + 'The template compiler cannot work in this environment. Consider ' + 'relaxing the policy to allow unsafe-eval or pre-compiling your ' + 'templates into render functions.'); | |
} | |
} | |
} | |
var key = options && options.delimiters ? String(options.delimiters) + template : template; | |
if (cache[key]) { | |
return cache[key]; | |
} | |
var res = {}; | |
var compiled = compile(template, options); | |
res.render = makeFunction(compiled.render); | |
var l = compiled.staticRenderFns.length; | |
res.staticRenderFns = new Array(l); | |
for (var i = 0; i < l; i++) { | |
res.staticRenderFns[i] = makeFunction(compiled.staticRenderFns[i]); | |
} | |
if ("development" !== 'production') { | |
if (res.render === noop || res.staticRenderFns.some(function (fn) { | |
return fn === noop; | |
})) { | |
_warn('failed to compile template:\n\n' + template + '\n\n' + detectErrors(compiled.ast).join('\n') + '\n\n', vm); | |
} | |
} | |
return cache[key] = res; | |
} | |
function makeFunction(code) { | |
try { | |
return new Function(code); | |
} catch (e) { | |
return noop; | |
} | |
} | |
var idToTemplate = cached(function (id) { | |
var el = query(id); | |
return el && el.innerHTML; | |
}); | |
var mount = Vue.prototype.$mount; | |
Vue.prototype.$mount = function (el, hydrating) { | |
el = el && query(el); | |
var options = this.$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); | |
} | |
} else if (template.nodeType) { | |
template = template.innerHTML; | |
} else { | |
if ("development" !== 'production') { | |
warn('invalid template option:' + template, this); | |
} | |
return this; | |
} | |
} else if (el) { | |
template = getOuterHTML(el); | |
} | |
if (template) { | |
var _compileToFunctions = compileToFunctions(template, { | |
delimiters: options.delimiters, | |
warn: warn | |
}, this); | |
var render = _compileToFunctions.render; | |
var staticRenderFns = _compileToFunctions.staticRenderFns; | |
options.render = render; | |
options.staticRenderFns = staticRenderFns; | |
} | |
} | |
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.compile = compileToFunctions; | |
return Vue; | |
})); |
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