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0ea6e364c9
vue/dist/vue.runtime.common.js
Evan You 0ea6e364c9 [build] 2.1.4
2016-12-01 22:01:18 -05:00

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JavaScript
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/*!
* Vue.js v2.1.4
* (c) 2014-2016 Evan You
* Released under the MIT License.
*/
'use strict';
/* */
/**
* Convert a value to a string that is actually rendered.
*/
function _toString (val) {
return val == null
? ''
: typeof val === 'object'
? JSON.stringify(val, null, 2)
: String(val)
}
/**
* Convert a input value to a number for persistence.
* If the conversion fails, return original string.
*/
function toNumber (val) {
var n = parseFloat(val, 10);
return (n || n === 0) ? n : 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', true);
/**
* Remove an item from an array
*/
function remove$1 (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])/g;
var hyphenate = cached(function (str) {
return str
.replace(hyphenateRE, '$1-$2')
.replace(hyphenateRE, '$1-$2')
.toLowerCase()
});
/**
* Simple bind, faster than native
*/
function bind$1 (fn, ctx) {
function boundFn (a) {
var l = arguments.length;
return l
? l > 1
? fn.apply(ctx, arguments)
: fn.call(ctx, a)
: fn.call(ctx)
}
// record original fn length
boundFn._length = fn.length;
return boundFn
}
/**
* Convert an Array-like object to a real Array.
*/
function toArray (list, start) {
start = start || 0;
var i = list.length - start;
var ret = new Array(i);
while (i--) {
ret[i] = list[i + start];
}
return ret
}
/**
* Mix properties into target object.
*/
function extend (to, _from) {
for (var key in _from) {
to[key] = _from[key];
}
return to
}
/**
* 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 = {};
for (var i = 0; i < arr.length; i++) {
if (arr[i]) {
extend(res, arr[i]);
}
}
return res
}
/**
* Perform no operation.
*/
function noop () {}
/**
* Always return false.
*/
var no = function () { return false; };
/**
* Generate a static keys string from compiler modules.
*/
function genStaticKeys (modules) {
return modules.reduce(function (keys, m) {
return keys.concat(m.staticKeys || [])
}, []).join(',')
}
/**
* Check if two values are loosely equal - that is,
* if they are plain objects, do they have the same shape?
*/
function looseEqual (a, b) {
/* eslint-disable eqeqeq */
return a == b || (
isObject(a) && isObject(b)
? JSON.stringify(a) === JSON.stringify(b)
: false
)
/* eslint-enable eqeqeq */
}
function looseIndexOf (arr, val) {
for (var i = 0; i < arr.length; i++) {
if (looseEqual(arr[i], val)) { return i }
}
return -1
}
/* */
var config = {
/**
* Option merge strategies (used in core/util/options)
*/
optionMergeStrategies: Object.create(null),
/**
* Whether to suppress warnings.
*/
silent: false,
/**
* Whether to enable devtools
*/
devtools: process.env.NODE_ENV !== 'production',
/**
* Error handler for watcher errors
*/
errorHandler: null,
/**
* Ignore certain custom elements
*/
ignoredElements: null,
/**
* Custom user key aliases for v-on
*/
keyCodes: Object.create(null),
/**
* Check if a tag is reserved so that it cannot be registered as a
* component. This is platform-dependent and may be overwritten.
*/
isReservedTag: no,
/**
* Check if a tag is an unknown element.
* Platform-dependent.
*/
isUnknownElement: no,
/**
* Get the namespace of an element
*/
getTagNamespace: noop,
/**
* 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',
'filter'
],
/**
* List of lifecycle hooks.
*/
_lifecycleHooks: [
'beforeCreate',
'created',
'beforeMount',
'mounted',
'beforeUpdate',
'updated',
'beforeDestroy',
'destroyed',
'activated',
'deactivated'
],
/**
* Max circular updates allowed in a scheduler flush cycle.
*/
_maxUpdateCount: 100
};
/* */
/**
* 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 segments = path.split('.');
return function (obj) {
for (var i = 0; i < segments.length; i++) {
if (!obj) { return }
obj = obj[segments[i]];
}
return obj
}
}
}
/* */
/* globals MutationObserver */
// can we use __proto__?
var hasProto = '__proto__' in {};
// Browser environment sniffing
var inBrowser = typeof window !== 'undefined';
var UA = inBrowser && window.navigator.userAgent.toLowerCase();
var isIE = UA && /msie|trident/.test(UA);
var isIE9 = UA && UA.indexOf('msie 9.0') > 0;
var isEdge = UA && UA.indexOf('edge/') > 0;
var isAndroid = UA && UA.indexOf('android') > 0;
var isIOS = UA && /iphone|ipad|ipod|ios/.test(UA);
// this needs to be lazy-evaled because vue may be required before
// vue-server-renderer can set VUE_ENV
var _isServer;
var isServerRendering = function () {
if (_isServer === undefined) {
/* istanbul ignore if */
if (!inBrowser && typeof global !== 'undefined') {
// detect presence of vue-server-renderer and avoid
// Webpack shimming the process
_isServer = global['process'].env.VUE_ENV === 'server';
} else {
_isServer = false;
}
}
return _isServer
};
// detect devtools
var devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__;
/* istanbul ignore next */
function isNative (Ctor) {
return /native code/.test(Ctor.toString())
}
/**
* Defer a task to execute it asynchronously.
*/
var nextTick = (function () {
var callbacks = [];
var pending = false;
var timerFunc;
function nextTickHandler () {
pending = false;
var copies = callbacks.slice(0);
callbacks.length = 0;
for (var i = 0; i < copies.length; i++) {
copies[i]();
}
}
// the nextTick behavior leverages the microtask queue, which can be accessed
// via either native Promise.then or MutationObserver.
// MutationObserver has wider support, however it is seriously bugged in
// UIWebView in iOS >= 9.3.3 when triggered in touch event handlers. It
// completely stops working after triggering a few times... so, if native
// Promise is available, we will use it:
/* istanbul ignore if */
if (typeof Promise !== 'undefined' && isNative(Promise)) {
var p = Promise.resolve();
var logError = function (err) { console.error(err); };
timerFunc = function () {
p.then(nextTickHandler).catch(logError);
// in problematic UIWebViews, Promise.then doesn't completely break, but
// it can get stuck in a weird state where callbacks are pushed into the
// microtask queue but the queue isn't being flushed, until the browser
// needs to do some other work, e.g. handle a timer. Therefore we can
// "force" the microtask queue to be flushed by adding an empty timer.
if (isIOS) { setTimeout(noop); }
};
} else if (typeof MutationObserver !== 'undefined' && (
isNative(MutationObserver) ||
// PhantomJS and iOS 7.x
MutationObserver.toString() === '[object MutationObserverConstructor]'
)) {
// use MutationObserver where native Promise is not available,
// e.g. PhantomJS IE11, iOS7, Android 4.4
var counter = 1;
var observer = new MutationObserver(nextTickHandler);
var textNode = document.createTextNode(String(counter));
observer.observe(textNode, {
characterData: true
});
timerFunc = function () {
counter = (counter + 1) % 2;
textNode.data = String(counter);
};
} else {
// fallback to setTimeout
/* istanbul ignore next */
timerFunc = function () {
setTimeout(nextTickHandler, 0);
};
}
return function queueNextTick (cb, ctx) {
var _resolve;
callbacks.push(function () {
if (cb) { cb.call(ctx); }
if (_resolve) { _resolve(ctx); }
});
if (!pending) {
pending = true;
timerFunc();
}
if (!cb && typeof Promise !== 'undefined') {
return new Promise(function (resolve) {
_resolve = resolve;
})
}
}
})();
var _Set;
/* istanbul ignore if */
if (typeof Set !== 'undefined' && isNative(Set)) {
// use native Set when available.
_Set = Set;
} else {
// a non-standard Set polyfill that only works with primitive keys.
_Set = (function () {
function Set () {
this.set = Object.create(null);
}
Set.prototype.has = function has (key) {
return this.set[key] !== undefined
};
Set.prototype.add = function add (key) {
this.set[key] = 1;
};
Set.prototype.clear = function clear () {
this.set = Object.create(null);
};
return Set;
}());
}
var warn = noop;
var formatComponentName;
if (process.env.NODE_ENV !== 'production') {
var hasConsole = typeof console !== 'undefined';
warn = function (msg, vm) {
if (hasConsole && (!config.silent)) {
console.error("[Vue warn]: " + msg + " " + (
vm ? formatLocation(formatComponentName(vm)) : ''
));
}
};
formatComponentName = function (vm) {
if (vm.$root === vm) {
return 'root instance'
}
var name = vm._isVue
? vm.$options.name || vm.$options._componentTag
: vm.name;
return (
(name ? ("component <" + name + ">") : "anonymous component") +
(vm._isVue && vm.$options.__file ? (" at " + (vm.$options.__file)) : '')
)
};
var formatLocation = function (str) {
if (str === 'anonymous component') {
str += " - use the \"name\" option for better debugging messages.";
}
return ("\n(found in " + str + ")")
};
}
/* */
var uid$1 = 0;
/**
* A dep is an observable that can have multiple
* directives subscribing to it.
*/
var Dep = function Dep () {
this.id = uid$1++;
this.subs = [];
};
Dep.prototype.addSub = function addSub (sub) {
this.subs.push(sub);
};
Dep.prototype.removeSub = function removeSub (sub) {
remove$1(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();
}
};
// the current target watcher being evaluated.
// this is globally unique because there could be only one
// watcher being evaluated at any time.
Dep.target = null;
var targetStack = [];
function pushTarget (_target) {
if (Dep.target) { targetStack.push(Dep.target); }
Dep.target = _target;
}
function popTarget () {
Dep.target = targetStack.pop();
}
/*
* not type checking this file because flow doesn't play well with
* dynamically accessing methods on Array prototype
*/
var arrayProto = Array.prototype;
var arrayMethods = Object.create(arrayProto);[
'push',
'pop',
'shift',
'unshift',
'splice',
'sort',
'reverse'
]
.forEach(function (method) {
// cache original method
var original = arrayProto[method];
def(arrayMethods, method, function mutator () {
var arguments$1 = arguments;
// avoid leaking arguments:
// http://jsperf.com/closure-with-arguments
var i = arguments.length;
var args = new Array(i);
while (i--) {
args[i] = arguments$1[i];
}
var result = original.apply(this, args);
var ob = this.__ob__;
var inserted;
switch (method) {
case 'push':
inserted = args;
break
case 'unshift':
inserted = args;
break
case 'splice':
inserted = args.slice(2);
break
}
if (inserted) { ob.observeArray(inserted); }
// notify change
ob.dep.notify();
return result
});
});
/* */
var arrayKeys = Object.getOwnPropertyNames(arrayMethods);
/**
* By default, when a reactive property is set, the new value is
* also converted to become reactive. However when passing down props,
* we don't want to force conversion because the value may be a nested value
* under a frozen data structure. Converting it would defeat the optimization.
*/
var observerState = {
shouldConvert: true,
isSettingProps: false
};
/**
* Observer class that are attached to each observed
* object. Once attached, the observer converts target
* object's property keys into getter/setters that
* collect dependencies and dispatches updates.
*/
var Observer = function Observer (value) {
this.value = value;
this.dep = new Dep();
this.vmCount = 0;
def(value, '__ob__', this);
if (Array.isArray(value)) {
var augment = hasProto
? protoAugment
: copyAugment;
augment(value, arrayMethods, arrayKeys);
this.observeArray(value);
} else {
this.walk(value);
}
};
/**
* Walk through each property and convert them into
* getter/setters. This method should only be called when
* value type is Object.
*/
Observer.prototype.walk = function walk (obj) {
var keys = Object.keys(obj);
for (var i = 0; i < keys.length; i++) {
defineReactive$$1(obj, keys[i], obj[keys[i]]);
}
};
/**
* Observe a list of Array items.
*/
Observer.prototype.observeArray = function observeArray (items) {
for (var i = 0, l = items.length; i < l; i++) {
observe(items[i]);
}
};
// helpers
/**
* Augment an target Object or Array by intercepting
* the prototype chain using __proto__
*/
function protoAugment (target, src) {
/* eslint-disable no-proto */
target.__proto__ = src;
/* eslint-enable no-proto */
}
/**
* Augment an target Object or Array by defining
* hidden properties.
*
* istanbul ignore next
*/
function copyAugment (target, src, keys) {
for (var i = 0, l = keys.length; i < l; i++) {
var key = keys[i];
def(target, key, src[key]);
}
}
/**
* Attempt to create an observer instance for a value,
* returns the new observer if successfully observed,
* or the existing observer if the value already has one.
*/
function observe (value) {
if (!isObject(value)) {
return
}
var ob;
if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {
ob = value.__ob__;
} else if (
observerState.shouldConvert &&
!isServerRendering() &&
(Array.isArray(value) || isPlainObject(value)) &&
Object.isExtensible(value) &&
!value._isVue
) {
ob = new Observer(value);
}
return ob
}
/**
* Define a reactive property on an Object.
*/
function defineReactive$$1 (
obj,
key,
val,
customSetter
) {
var dep = new Dep();
var property = Object.getOwnPropertyDescriptor(obj, key);
if (property && property.configurable === false) {
return
}
// cater for pre-defined getter/setters
var getter = property && property.get;
var setter = property && property.set;
var childOb = observe(val);
Object.defineProperty(obj, key, {
enumerable: true,
configurable: true,
get: function reactiveGetter () {
var value = getter ? getter.call(obj) : val;
if (Dep.target) {
dep.depend();
if (childOb) {
childOb.dep.depend();
}
if (Array.isArray(value)) {
dependArray(value);
}
}
return value
},
set: function reactiveSetter (newVal) {
var value = getter ? getter.call(obj) : val;
/* eslint-disable no-self-compare */
if (newVal === value || (newVal !== newVal && value !== value)) {
return
}
/* eslint-enable no-self-compare */
if (process.env.NODE_ENV !== '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$1 (obj, key, val) {
if (Array.isArray(obj)) {
obj.length = Math.max(obj.length, key);
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)) {
process.env.NODE_ENV !== 'production' && warn(
'Avoid adding reactive properties to a Vue instance or its root $data ' +
'at runtime - declare it upfront in the data option.'
);
return
}
if (!ob) {
obj[key] = val;
return
}
defineReactive$$1(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)) {
process.env.NODE_ENV !== '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();
}
/**
* Collect dependencies on array elements when the array is touched, since
* we cannot intercept array element access like property getters.
*/
function dependArray (value) {
for (var e = (void 0), i = 0, l = value.length; i < l; i++) {
e = value[i];
e && e.__ob__ && e.__ob__.dep.depend();
if (Array.isArray(e)) {
dependArray(e);
}
}
}
/* */
/**
* Option overwriting strategies are functions that handle
* how to merge a parent option value and a child option
* value into the final value.
*/
var strats = config.optionMergeStrategies;
/**
* Options with restrictions
*/
if (process.env.NODE_ENV !== '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)
};
}
/**
* Helper that recursively merges two data objects together.
*/
function mergeData (to, from) {
if (!from) { return to }
var key, toVal, fromVal;
var keys = Object.keys(from);
for (var i = 0; i < keys.length; i++) {
key = keys[i];
toVal = to[key];
fromVal = from[key];
if (!hasOwn(to, key)) {
set$1(to, key, fromVal);
} else if (isPlainObject(toVal) && isPlainObject(fromVal)) {
mergeData(toVal, fromVal);
}
}
return to
}
/**
* Data
*/
strats.data = function (
parentVal,
childVal,
vm
) {
if (!vm) {
// in a Vue.extend merge, both should be functions
if (!childVal) {
return parentVal
}
if (typeof childVal !== 'function') {
process.env.NODE_ENV !== '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 (parentVal, childVal) {
return childVal === undefined
? parentVal
: childVal
};
/**
* Validate component names
*/
function checkComponents (options) {
for (var key in options.components) {
var lower = key.toLowerCase();
if (isBuiltInTag(lower) || config.isReservedTag(lower)) {
warn(
'Do not use built-in or reserved HTML elements as component ' +
'id: ' + key
);
}
}
}
/**
* Ensure all props option syntax are normalized into the
* Object-based format.
*/
function normalizeProps (options) {
var props = options.props;
if (!props) { return }
var res = {};
var i, val, name;
if (Array.isArray(props)) {
i = props.length;
while (i--) {
val = props[i];
if (typeof val === 'string') {
name = camelize(val);
res[name] = { type: null };
} else if (process.env.NODE_ENV !== '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
) {
if (process.env.NODE_ENV !== 'production') {
checkComponents(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$2) {
mixin = mixin.options;
}
parent = mergeOptions(parent, mixin, vm);
}
}
var options = {};
var key;
for (key in parent) {
mergeField(key);
}
for (key in child) {
if (!hasOwn(parent, key)) {
mergeField(key);
}
}
function mergeField (key) {
var strat = strats[key] || defaultStrat;
options[key] = strat(parent[key], child[key], vm, key);
}
return options
}
/**
* Resolve an asset.
* This function is used because child instances need access
* to assets defined in its ancestor chain.
*/
function resolveAsset (
options,
type,
id,
warnMissing
) {
/* istanbul ignore if */
if (typeof id !== 'string') {
return
}
var assets = options[type];
var res = assets[id] ||
// camelCase ID
assets[camelize(id)] ||
// Pascal Case ID
assets[capitalize(camelize(id))];
if (process.env.NODE_ENV !== 'production' && warnMissing && !res) {
warn(
'Failed to resolve ' + type.slice(0, -1) + ': ' + id,
options
);
}
return res
}
/* */
function validateProp (
key,
propOptions,
propsData,
vm
) {
var prop = propOptions[key];
var absent = !hasOwn(propsData, key);
var value = propsData[key];
// handle boolean props
if (isBooleanType(prop.type)) {
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.
var prevShouldConvert = observerState.shouldConvert;
observerState.shouldConvert = true;
observe(value);
observerState.shouldConvert = prevShouldConvert;
}
if (process.env.NODE_ENV !== 'production') {
assertProp(prop, key, value, vm, absent);
}
return value
}
/**
* Get the default value of a prop.
*/
function getPropDefaultValue (vm, prop, key) {
// no default, return undefined
if (!hasOwn(prop, 'default')) {
return undefined
}
var def = prop.default;
// warn against non-factory defaults for Object & Array
if (isObject(def)) {
process.env.NODE_ENV !== 'production' && warn(
'Invalid default value for prop "' + key + '": ' +
'Props with type Object/Array must use a factory function ' +
'to return the default value.',
vm
);
}
// the raw prop value was also undefined from previous render,
// return previous default value to avoid unnecessary watcher trigger
if (vm && vm.$options.propsData &&
vm.$options.propsData[key] === undefined &&
vm[key] !== undefined) {
return vm[key]
}
// 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 || type === true;
var expectedTypes = [];
if (type) {
if (!Array.isArray(type)) {
type = [type];
}
for (var i = 0; i < type.length && !valid; i++) {
var assertedType = assertType(value, type[i]);
expectedTypes.push(assertedType.expectedType);
valid = assertedType.valid;
}
}
if (!valid) {
warn(
'Invalid prop: type check failed for prop "' + name + '".' +
' Expected ' + expectedTypes.map(capitalize).join(', ') +
', got ' + Object.prototype.toString.call(value).slice(8, -1) + '.',
vm
);
return
}
var validator = prop.validator;
if (validator) {
if (!validator(value)) {
warn(
'Invalid prop: custom validator check failed for prop "' + name + '".',
vm
);
}
}
}
/**
* Assert the type of a value
*/
function assertType (value, type) {
var valid;
var expectedType = getType(type);
if (expectedType === 'String') {
valid = typeof value === (expectedType = 'string');
} else if (expectedType === 'Number') {
valid = typeof value === (expectedType = 'number');
} else if (expectedType === 'Boolean') {
valid = typeof value === (expectedType = 'boolean');
} else if (expectedType === 'Function') {
valid = typeof value === (expectedType = 'function');
} else if (expectedType === 'Object') {
valid = isPlainObject(value);
} else if (expectedType === 'Array') {
valid = Array.isArray(value);
} else {
valid = value instanceof type;
}
return {
valid: valid,
expectedType: expectedType
}
}
/**
* Use function string name to check built-in types,
* because a simple equality check will fail when running
* across different vms / iframes.
*/
function getType (fn) {
var match = fn && fn.toString().match(/^\s*function (\w+)/);
return match && match[1]
}
function isBooleanType (fn) {
if (!Array.isArray(fn)) {
return getType(fn) === 'Boolean'
}
for (var i = 0, len = fn.length; i < len; i++) {
if (getType(fn[i]) === 'Boolean') {
return true
}
}
/* istanbul ignore next */
return false
}
var util = Object.freeze({
defineReactive: defineReactive$$1,
_toString: _toString,
toNumber: toNumber,
makeMap: makeMap,
isBuiltInTag: isBuiltInTag,
remove: remove$1,
hasOwn: hasOwn,
isPrimitive: isPrimitive,
cached: cached,
camelize: camelize,
capitalize: capitalize,
hyphenate: hyphenate,
bind: bind$1,
toArray: toArray,
extend: extend,
isObject: isObject,
isPlainObject: isPlainObject,
toObject: toObject,
noop: noop,
no: no,
genStaticKeys: genStaticKeys,
looseEqual: looseEqual,
looseIndexOf: looseIndexOf,
isReserved: isReserved,
def: def,
parsePath: parsePath,
hasProto: hasProto,
inBrowser: inBrowser,
UA: UA,
isIE: isIE,
isIE9: isIE9,
isEdge: isEdge,
isAndroid: isAndroid,
isIOS: isIOS,
isServerRendering: isServerRendering,
devtools: devtools,
nextTick: nextTick,
get _Set () { return _Set; },
mergeOptions: mergeOptions,
resolveAsset: resolveAsset,
get warn () { return warn; },
get formatComponentName () { return formatComponentName; },
validateProp: validateProp
});
/* not type checking this file because flow doesn't play well with Proxy */
var initProxy;
if (process.env.NODE_ENV !== 'production') {
var allowedGlobals = makeMap(
'Infinity,undefined,NaN,isFinite,isNaN,' +
'parseFloat,parseInt,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,' +
'Math,Number,Date,Array,Object,Boolean,String,RegExp,Map,Set,JSON,Intl,' +
'require' // for Webpack/Browserify
);
var warnNonPresent = function (target, key) {
warn(
"Property or method \"" + key + "\" is not defined on the instance but " +
"referenced during render. Make sure to declare reactive data " +
"properties in the data option.",
target
);
};
var hasProxy =
typeof Proxy !== 'undefined' &&
Proxy.toString().match(/native code/);
if (hasProxy) {
var isBuiltInModifier = makeMap('stop,prevent,self,ctrl,shift,alt,meta');
config.keyCodes = new Proxy(config.keyCodes, {
set: function set (target, key, value) {
if (isBuiltInModifier(key)) {
warn(("Avoid overwriting built-in modifier in config.keyCodes: ." + key));
return false
} else {
target[key] = value;
return true
}
}
});
}
var hasHandler = {
has: function has (target, key) {
var has = key in target;
var isAllowed = allowedGlobals(key) || key.charAt(0) === '_';
if (!has && !isAllowed) {
warnNonPresent(target, key);
}
return has || !isAllowed
}
};
var getHandler = {
get: function get (target, key) {
if (typeof key === 'string' && !(key in target)) {
warnNonPresent(target, key);
}
return target[key]
}
};
initProxy = function initProxy (vm) {
if (hasProxy) {
// determine which proxy handler to use
var options = vm.$options;
var handlers = options.render && options.render._withStripped
? getHandler
: hasHandler;
vm._renderProxy = new Proxy(vm, handlers);
} else {
vm._renderProxy = vm;
}
};
}
/* */
var queue = [];
var has$1 = {};
var circular = {};
var waiting = false;
var flushing = false;
var index = 0;
/**
* Reset the scheduler's state.
*/
function resetSchedulerState () {
queue.length = 0;
has$1 = {};
if (process.env.NODE_ENV !== 'production') {
circular = {};
}
waiting = flushing = false;
}
/**
* Flush both queues and run the watchers.
*/
function flushSchedulerQueue () {
flushing = true;
// Sort queue before flush.
// This ensures that:
// 1. Components are updated from parent to child. (because parent is always
// created before the child)
// 2. A component's user watchers are run before its render watcher (because
// user watchers are created before the render watcher)
// 3. If a component is destroyed during a parent component's watcher run,
// its watchers can be skipped.
queue.sort(function (a, b) { return a.id - b.id; });
// do not cache length because more watchers might be pushed
// as we run existing watchers
for (index = 0; index < queue.length; index++) {
var watcher = queue[index];
var id = watcher.id;
has$1[id] = null;
watcher.run();
// in dev build, check and stop circular updates.
if (process.env.NODE_ENV !== 'production' && has$1[id] != null) {
circular[id] = (circular[id] || 0) + 1;
if (circular[id] > config._maxUpdateCount) {
warn(
'You may have an infinite update loop ' + (
watcher.user
? ("in watcher with expression \"" + (watcher.expression) + "\"")
: "in a component render function."
),
watcher.vm
);
break
}
}
}
// devtool hook
/* istanbul ignore if */
if (devtools && config.devtools) {
devtools.emit('flush');
}
resetSchedulerState();
}
/**
* 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$1[id] == null) {
has$1[id] = true;
if (!flushing) {
queue.push(watcher);
} else {
// if already flushing, splice the watcher based on its id
// if already past its id, it will be run next immediately.
var i = queue.length - 1;
while (i >= 0 && queue[i].id > watcher.id) {
i--;
}
queue.splice(Math.max(i, index) + 1, 0, watcher);
}
// queue the flush
if (!waiting) {
waiting = true;
nextTick(flushSchedulerQueue);
}
}
}
/* */
var uid$2 = 0;
/**
* A watcher parses an expression, collects dependencies,
* and fires callback when the expression value changes.
* This is used for both the $watch() api and directives.
*/
var Watcher = function Watcher (
vm,
expOrFn,
cb,
options
) {
if ( options === void 0 ) options = {};
this.vm = vm;
vm._watchers.push(this);
// options
this.deep = !!options.deep;
this.user = !!options.user;
this.lazy = !!options.lazy;
this.sync = !!options.sync;
this.expression = expOrFn.toString();
this.cb = cb;
this.id = ++uid$2; // uid for batching
this.active = true;
this.dirty = this.lazy; // for lazy watchers
this.deps = [];
this.newDeps = [];
this.depIds = new _Set();
this.newDepIds = new _Set();
// parse expression for getter
if (typeof expOrFn === 'function') {
this.getter = expOrFn;
} else {
this.getter = parsePath(expOrFn);
if (!this.getter) {
this.getter = function () {};
process.env.NODE_ENV !== 'production' && warn(
"Failed watching path: \"" + expOrFn + "\" " +
'Watcher only accepts simple dot-delimited paths. ' +
'For full control, use a function instead.',
vm
);
}
}
this.value = this.lazy
? undefined
: this.get();
};
/**
* Evaluate the getter, and re-collect dependencies.
*/
Watcher.prototype.get = function get () {
pushTarget(this);
var value = this.getter.call(this.vm, this.vm);
// "touch" every property so they are all tracked as
// dependencies for deep watching
if (this.deep) {
traverse(value);
}
popTarget();
this.cleanupDeps();
return value
};
/**
* Add a dependency to this directive.
*/
Watcher.prototype.addDep = function addDep (dep) {
var id = dep.id;
if (!this.newDepIds.has(id)) {
this.newDepIds.add(id);
this.newDeps.push(dep);
if (!this.depIds.has(id)) {
dep.addSub(this);
}
}
};
/**
* Clean up for dependency collection.
*/
Watcher.prototype.cleanupDeps = function cleanupDeps () {
var this$1 = this;
var i = this.deps.length;
while (i--) {
var dep = this$1.deps[i];
if (!this$1.newDepIds.has(dep.id)) {
dep.removeSub(this$1);
}
}
var tmp = this.depIds;
this.depIds = this.newDepIds;
this.newDepIds = tmp;
this.newDepIds.clear();
tmp = this.deps;
this.deps = this.newDeps;
this.newDeps = tmp;
this.newDeps.length = 0;
};
/**
* Subscriber interface.
* Will be called when a dependency changes.
*/
Watcher.prototype.update = function update () {
/* istanbul ignore else */
if (this.lazy) {
this.dirty = true;
} else if (this.sync) {
this.run();
} else {
queueWatcher(this);
}
};
/**
* Scheduler job interface.
* Will be called by the scheduler.
*/
Watcher.prototype.run = function run () {
if (this.active) {
var value = this.get();
if (
value !== this.value ||
// Deep watchers and watchers on Object/Arrays should fire even
// when the value is the same, because the value may
// have mutated.
isObject(value) ||
this.deep
) {
// set new value
var oldValue = this.value;
this.value = value;
if (this.user) {
try {
this.cb.call(this.vm, value, oldValue);
} catch (e) {
/* istanbul ignore else */
if (config.errorHandler) {
config.errorHandler.call(null, e, this.vm);
} else {
process.env.NODE_ENV !== 'production' && warn(
("Error in watcher \"" + (this.expression) + "\""),
this.vm
);
throw e
}
}
} else {
this.cb.call(this.vm, value, oldValue);
}
}
}
};
/**
* Evaluate the value of the watcher.
* This only gets called for lazy watchers.
*/
Watcher.prototype.evaluate = function evaluate () {
this.value = this.get();
this.dirty = false;
};
/**
* Depend on all deps collected by this watcher.
*/
Watcher.prototype.depend = function depend () {
var this$1 = this;
var i = this.deps.length;
while (i--) {
this$1.deps[i].depend();
}
};
/**
* Remove self from all dependencies' subscriber list.
*/
Watcher.prototype.teardown = function teardown () {
var this$1 = this;
if (this.active) {
// remove self from vm's watcher list
// this is a somewhat expensive operation so we skip it
// if the vm is being destroyed 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$1(this.vm._watchers, this);
}
var i = this.deps.length;
while (i--) {
this$1.deps[i].removeSub(this$1);
}
this.active = false;
}
};
/**
* Recursively traverse an object to evoke all converted
* getters, so that every nested property inside the object
* is collected as a "deep" dependency.
*/
var seenObjects = new _Set();
function traverse (val) {
seenObjects.clear();
_traverse(val, seenObjects);
}
function _traverse (val, seen) {
var i, keys;
var isA = Array.isArray(val);
if ((!isA && !isObject(val)) || !Object.isExtensible(val)) {
return
}
if (val.__ob__) {
var depId = val.__ob__.dep.id;
if (seen.has(depId)) {
return
}
seen.add(depId);
}
if (isA) {
i = val.length;
while (i--) { _traverse(val[i], seen); }
} else {
keys = Object.keys(val);
i = keys.length;
while (i--) { _traverse(val[keys[i]], seen); }
}
}
/* */
function initState (vm) {
vm._watchers = [];
initProps(vm);
initMethods(vm);
initData(vm);
initComputed(vm);
initWatch(vm);
}
var isReservedProp = { key: 1, ref: 1, slot: 1 };
function initProps (vm) {
var props = vm.$options.props;
if (props) {
var propsData = vm.$options.propsData || {};
var keys = vm.$options._propKeys = Object.keys(props);
var isRoot = !vm.$parent;
// root instance props should be converted
observerState.shouldConvert = isRoot;
var loop = function ( i ) {
var key = keys[i];
/* istanbul ignore else */
if (process.env.NODE_ENV !== 'production') {
if (isReservedProp[key]) {
warn(
("\"" + key + "\" is a reserved attribute and cannot be used as component prop."),
vm
);
}
defineReactive$$1(vm, key, validateProp(key, props, propsData, vm), function () {
if (vm.$parent && !observerState.isSettingProps) {
warn(
"Avoid mutating a prop directly since the value will be " +
"overwritten whenever the parent component re-renders. " +
"Instead, use a data or computed property based on the prop's " +
"value. Prop being mutated: \"" + key + "\"",
vm
);
}
});
} else {
defineReactive$$1(vm, key, validateProp(key, props, propsData, vm));
}
};
for (var i = 0; i < keys.length; i++) loop( i );
observerState.shouldConvert = true;
}
}
function initData (vm) {
var data = vm.$options.data;
data = vm._data = typeof data === 'function'
? data.call(vm)
: data || {};
if (!isPlainObject(data)) {
data = {};
process.env.NODE_ENV !== 'production' && warn(
'data functions should return an object.',
vm
);
}
// proxy data on instance
var keys = Object.keys(data);
var props = vm.$options.props;
var i = keys.length;
while (i--) {
if (props && hasOwn(props, keys[i])) {
process.env.NODE_ENV !== '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$1(userDef.get, vm)
: noop;
computedSharedDefinition.set = userDef.set
? bind$1(userDef.set, vm)
: noop;
}
Object.defineProperty(vm, key, computedSharedDefinition);
}
}
}
function makeComputedGetter (getter, owner) {
var watcher = new Watcher(owner, getter, noop, {
lazy: true
});
return function computedGetter () {
if (watcher.dirty) {
watcher.evaluate();
}
if (Dep.target) {
watcher.depend();
}
return watcher.value
}
}
function initMethods (vm) {
var methods = vm.$options.methods;
if (methods) {
for (var key in methods) {
vm[key] = methods[key] == null ? noop : bind$1(methods[key], vm);
if (process.env.NODE_ENV !== 'production' && methods[key] == null) {
warn(
"method \"" + key + "\" has an undefined value in the component definition. " +
"Did you reference the function correctly?",
vm
);
}
}
}
}
function initWatch (vm) {
var watch = vm.$options.watch;
if (watch) {
for (var key in watch) {
var handler = watch[key];
if (Array.isArray(handler)) {
for (var i = 0; i < handler.length; i++) {
createWatcher(vm, key, handler[i]);
}
} else {
createWatcher(vm, key, handler);
}
}
}
}
function createWatcher (vm, key, handler) {
var options;
if (isPlainObject(handler)) {
options = handler;
handler = handler.handler;
}
if (typeof handler === 'string') {
handler = vm[handler];
}
vm.$watch(key, handler, options);
}
function stateMixin (Vue) {
// flow somehow has problems with directly declared definition object
// when using Object.defineProperty, so we have to procedurally build up
// the object here.
var dataDef = {};
dataDef.get = function () {
return this._data
};
if (process.env.NODE_ENV !== 'production') {
dataDef.set = function (newData) {
warn(
'Avoid replacing instance root $data. ' +
'Use nested data properties instead.',
this
);
};
}
Object.defineProperty(Vue.prototype, '$data', dataDef);
Vue.prototype.$set = set$1;
Vue.prototype.$delete = del;
Vue.prototype.$watch = function (
expOrFn,
cb,
options
) {
var vm = this;
options = options || {};
options.user = true;
var watcher = new Watcher(vm, expOrFn, cb, options);
if (options.immediate) {
cb.call(vm, watcher.value);
}
return function unwatchFn () {
watcher.teardown();
}
};
}
function 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;
}
});
}
}
/* */
var VNode = 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.functionalContext = undefined;
this.key = data && data.key;
this.componentOptions = componentOptions;
this.child = undefined;
this.parent = undefined;
this.raw = false;
this.isStatic = false;
this.isRootInsert = true;
this.isComment = false;
this.isCloned = false;
this.isOnce = false;
};
var emptyVNode = function () {
var node = new VNode();
node.text = '';
node.isComment = true;
return node
};
// optimized shallow clone
// used for static nodes and slot nodes because they may be reused across
// multiple renders, cloning them avoids errors when DOM manipulations rely
// on their elm reference.
function cloneVNode (vnode) {
var cloned = new VNode(
vnode.tag,
vnode.data,
vnode.children,
vnode.text,
vnode.elm,
vnode.ns,
vnode.context,
vnode.componentOptions
);
cloned.isStatic = vnode.isStatic;
cloned.key = vnode.key;
cloned.isCloned = true;
return cloned
}
function cloneVNodes (vnodes) {
var res = new Array(vnodes.length);
for (var i = 0; i < vnodes.length; i++) {
res[i] = cloneVNode(vnodes[i]);
}
return res
}
/* */
function mergeVNodeHook (def, hookKey, hook, key) {
key = key + hookKey;
var injectedHash = def.__injected || (def.__injected = {});
if (!injectedHash[key]) {
injectedHash[key] = true;
var oldHook = def[hookKey];
if (oldHook) {
def[hookKey] = function () {
oldHook.apply(this, arguments);
hook.apply(this, arguments);
};
} else {
def[hookKey] = hook;
}
}
}
/* */
function updateListeners (
on,
oldOn,
add,
remove$$1,
vm
) {
var name, cur, old, fn, event, capture, once;
for (name in on) {
cur = on[name];
old = oldOn[name];
if (!cur) {
process.env.NODE_ENV !== 'production' && warn(
"Invalid handler for event \"" + name + "\": got " + String(cur),
vm
);
} else if (!old) {
once = name.charAt(0) === '~'; // Prefixed last, checked first
event = once ? name.slice(1) : name;
capture = event.charAt(0) === '!';
event = capture ? event.slice(1) : event;
if (Array.isArray(cur)) {
add(event, (cur.invoker = arrInvoker(cur)), once, capture);
} else {
if (!cur.invoker) {
fn = cur;
cur = on[name] = {};
cur.fn = fn;
cur.invoker = fnInvoker(cur);
}
add(event, cur.invoker, once, capture);
}
} else if (cur !== old) {
if (Array.isArray(old)) {
old.length = cur.length;
for (var i = 0; i < old.length; i++) { old[i] = cur[i]; }
on[name] = old;
} else {
old.fn = cur;
on[name] = old;
}
}
}
for (name in oldOn) {
if (!on[name]) {
once = name.charAt(0) === '~'; // Prefixed last, checked first
event = once ? name.slice(1) : name;
capture = event.charAt(0) === '!';
event = capture ? event.slice(1) : event;
remove$$1(event, oldOn[name].invoker, capture);
}
}
}
function arrInvoker (arr) {
return function (ev) {
var arguments$1 = arguments;
var single = arguments.length === 1;
for (var i = 0; i < arr.length; i++) {
single ? arr[i](ev) : arr[i].apply(null, arguments$1);
}
}
}
function fnInvoker (o) {
return function (ev) {
var single = arguments.length === 1;
single ? o.fn(ev) : o.fn.apply(null, arguments);
}
}
/* */
function normalizeChildren (
children,
ns,
nestedIndex
) {
if (isPrimitive(children)) {
return [createTextVNode(children)]
}
if (Array.isArray(children)) {
var res = [];
for (var i = 0, l = children.length; i < l; i++) {
var c = children[i];
var last = res[res.length - 1];
// nested
if (Array.isArray(c)) {
res.push.apply(res, normalizeChildren(c, ns, ((nestedIndex || '') + "_" + i)));
} else if (isPrimitive(c)) {
if (last && last.text) {
last.text += String(c);
} else if (c !== '') {
// convert primitive to vnode
res.push(createTextVNode(c));
}
} else if (c instanceof VNode) {
if (c.text && last && last.text) {
if (!last.isCloned) {
last.text += c.text;
}
} else {
// inherit parent namespace
if (ns) {
applyNS(c, ns);
}
// default key for nested array children (likely generated by v-for)
if (c.tag && c.key == null && nestedIndex != null) {
c.key = "__vlist" + nestedIndex + "_" + i + "__";
}
res.push(c);
}
}
}
return res
}
}
function createTextVNode (val) {
return new VNode(undefined, undefined, undefined, String(val))
}
function applyNS (vnode, ns) {
if (vnode.tag && !vnode.ns) {
vnode.ns = ns;
if (vnode.children) {
for (var i = 0, l = vnode.children.length; i < l; i++) {
applyNS(vnode.children[i], ns);
}
}
}
}
/* */
function getFirstComponentChild (children) {
return children && children.filter(function (c) { return c && c.componentOptions; })[0]
}
/* */
var activeInstance = null;
function initLifecycle (vm) {
var options = vm.$options;
// locate first non-abstract parent
var parent = options.parent;
if (parent && !options.abstract) {
while (parent.$options.abstract && parent.$parent) {
parent = parent.$parent;
}
parent.$children.push(vm);
}
vm.$parent = parent;
vm.$root = parent ? parent.$root : vm;
vm.$children = [];
vm.$refs = {};
vm._watcher = null;
vm._inactive = false;
vm._isMounted = false;
vm._isDestroyed = false;
vm._isBeingDestroyed = false;
}
function lifecycleMixin (Vue) {
Vue.prototype._mount = function (
el,
hydrating
) {
var vm = this;
vm.$el = el;
if (!vm.$options.render) {
vm.$options.render = emptyVNode;
if (process.env.NODE_ENV !== 'production') {
/* istanbul ignore if */
if (vm.$options.template && vm.$options.template.charAt(0) !== '#') {
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;
// manually mounted instance, call mounted on self
// mounted is called for render-created child components in its inserted hook
if (vm.$vnode == null) {
vm._isMounted = true;
callHook(vm, 'mounted');
}
return vm
};
Vue.prototype._update = function (vnode, hydrating) {
var vm = this;
if (vm._isMounted) {
callHook(vm, 'beforeUpdate');
}
var prevEl = vm.$el;
var prevVnode = vm._vnode;
var prevActiveInstance = activeInstance;
activeInstance = vm;
vm._vnode = vnode;
// Vue.prototype.__patch__ is injected in entry points
// based on the rendering backend used.
if (!prevVnode) {
// initial render
vm.$el = vm.__patch__(
vm.$el, vnode, hydrating, false /* removeOnly */,
vm.$options._parentElm,
vm.$options._refElm
);
} else {
// updates
vm.$el = vm.__patch__(prevVnode, vnode);
}
activeInstance = prevActiveInstance;
// update __vue__ reference
if (prevEl) {
prevEl.__vue__ = null;
}
if (vm.$el) {
vm.$el.__vue__ = vm;
}
// if parent is an HOC, update its $el as well
if (vm.$vnode && vm.$parent && vm.$vnode === vm.$parent._vnode) {
vm.$parent.$el = vm.$el;
}
if (vm._isMounted) {
callHook(vm, 'updated');
}
};
Vue.prototype._updateFromParent = function (
propsData,
listeners,
parentVnode,
renderChildren
) {
var vm = this;
var hasChildren = !!(vm.$options._renderChildren || renderChildren);
vm.$options._parentVnode = parentVnode;
vm.$vnode = parentVnode; // update vm's placeholder node without re-render
if (vm._vnode) { // update child tree's parent
vm._vnode.parent = parentVnode;
}
vm.$options._renderChildren = renderChildren;
// update props
if (propsData && vm.$options.props) {
observerState.shouldConvert = false;
if (process.env.NODE_ENV !== 'production') {
observerState.isSettingProps = true;
}
var propKeys = vm.$options._propKeys || [];
for (var i = 0; i < propKeys.length; i++) {
var key = propKeys[i];
vm[key] = validateProp(key, vm.$options.props, propsData, vm);
}
observerState.shouldConvert = true;
if (process.env.NODE_ENV !== 'production') {
observerState.isSettingProps = false;
}
vm.$options.propsData = propsData;
}
// update listeners
if (listeners) {
var oldListeners = vm.$options._parentListeners;
vm.$options._parentListeners = listeners;
vm._updateListeners(listeners, oldListeners);
}
// resolve slots + force update if has children
if (hasChildren) {
vm.$slots = resolveSlots(renderChildren, parentVnode.context);
vm.$forceUpdate();
}
};
Vue.prototype.$forceUpdate = function () {
var vm = this;
if (vm._watcher) {
vm._watcher.update();
}
};
Vue.prototype.$destroy = function () {
var vm = this;
if (vm._isBeingDestroyed) {
return
}
callHook(vm, 'beforeDestroy');
vm._isBeingDestroyed = true;
// remove self from parent
var parent = vm.$parent;
if (parent && !parent._isBeingDestroyed && !vm.$options.abstract) {
remove$1(parent.$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.$off();
// remove __vue__ reference
if (vm.$el) {
vm.$el.__vue__ = null;
}
// invoke destroy hooks on current rendered tree
vm.__patch__(vm._vnode, null);
};
}
function callHook (vm, hook) {
var handlers = vm.$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$1 };
var hooksToMerge = Object.keys(hooks);
function createComponent (
Ctor,
data,
context,
children,
tag
) {
if (!Ctor) {
return
}
var baseCtor = context.$options._base;
if (isObject(Ctor)) {
Ctor = baseCtor.extend(Ctor);
}
if (typeof Ctor !== 'function') {
if (process.env.NODE_ENV !== 'production') {
warn(("Invalid Component definition: " + (String(Ctor))), context);
}
return
}
// async component
if (!Ctor.cid) {
if (Ctor.resolved) {
Ctor = Ctor.resolved;
} else {
Ctor = resolveAsyncComponent(Ctor, baseCtor, function () {
// it's ok to queue this on every render because
// $forceUpdate is buffered by the scheduler.
context.$forceUpdate();
});
if (!Ctor) {
// return nothing if this is indeed an async component
// wait for the callback to trigger parent update.
return
}
}
}
// resolve constructor options in case global mixins are applied after
// component constructor creation
resolveConstructorOptions(Ctor);
data = data || {};
// extract props
var propsData = extractProps(data, Ctor);
// functional component
if (Ctor.options.functional) {
return createFunctionalComponent(Ctor, propsData, data, context, children)
}
// extract listeners, since these needs to be treated as
// child component listeners instead of DOM listeners
var listeners = data.on;
// replace with listeners with .native modifier
data.on = data.nativeOn;
if (Ctor.options.abstract) {
// abstract components do not keep anything
// other than props & listeners
data = {};
}
// merge component management hooks onto the placeholder node
mergeHooks(data);
// return a placeholder vnode
var name = Ctor.options.name || tag;
var vnode = new VNode(
("vue-component-" + (Ctor.cid) + (name ? ("-" + name) : '')),
data, undefined, undefined, undefined, undefined, context,
{ Ctor: Ctor, propsData: propsData, listeners: listeners, tag: tag, children: children }
);
return vnode
}
function createFunctionalComponent (
Ctor,
propsData,
data,
context,
children
) {
var props = {};
var propOptions = Ctor.options.props;
if (propOptions) {
for (var key in propOptions) {
props[key] = validateProp(key, propOptions, propsData);
}
}
var vnode = Ctor.options.render.call(
null,
// ensure the createElement function in functional components
// gets a unique context - this is necessary for correct named slot check
bind$1(createElement, { _self: Object.create(context) }),
{
props: props,
data: data,
parent: context,
children: normalizeChildren(children),
slots: function () { return resolveSlots(children, context); }
}
);
if (vnode instanceof VNode) {
vnode.functionalContext = context;
if (data.slot) {
(vnode.data || (vnode.data = {})).slot = data.slot;
}
}
return vnode
}
function createComponentInstanceForVnode (
vnode, // we know it's MountedComponentVNode but flow doesn't
parent, // activeInstance in lifecycle state
parentElm,
refElm
) {
var vnodeComponentOptions = vnode.componentOptions;
var options = {
_isComponent: true,
parent: parent,
propsData: vnodeComponentOptions.propsData,
_componentTag: vnodeComponentOptions.tag,
_parentVnode: vnode,
_parentListeners: vnodeComponentOptions.listeners,
_renderChildren: vnodeComponentOptions.children,
_parentElm: parentElm || null,
_refElm: refElm || null
};
// check inline-template render functions
var inlineTemplate = vnode.data.inlineTemplate;
if (inlineTemplate) {
options.render = inlineTemplate.render;
options.staticRenderFns = inlineTemplate.staticRenderFns;
}
return new vnodeComponentOptions.Ctor(options)
}
function init (
vnode,
hydrating,
parentElm,
refElm
) {
if (!vnode.child || vnode.child._isDestroyed) {
var child = vnode.child = createComponentInstanceForVnode(
vnode,
activeInstance,
parentElm,
refElm
);
child.$mount(hydrating ? vnode.elm : undefined, hydrating);
} else if (vnode.data.keepAlive) {
// kept-alive components, treat as a patch
var mountedNode = vnode; // work around flow
prepatch(mountedNode, mountedNode);
}
}
function prepatch (
oldVnode,
vnode
) {
var options = vnode.componentOptions;
var child = vnode.child = oldVnode.child;
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) {
vnode.child._inactive = false;
callHook(vnode.child, 'activated');
}
}
function destroy$1 (vnode) {
if (!vnode.child._isDestroyed) {
if (!vnode.data.keepAlive) {
vnode.child.$destroy();
} else {
vnode.child._inactive = true;
callHook(vnode.child, 'deactivated');
}
}
}
function resolveAsyncComponent (
factory,
baseCtor,
cb
) {
if (factory.requested) {
// pool callbacks
factory.pendingCallbacks.push(cb);
} else {
factory.requested = true;
var cbs = factory.pendingCallbacks = [cb];
var sync = true;
var resolve = function (res) {
if (isObject(res)) {
res = baseCtor.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);
}
}
};
var reject = function (reason) {
process.env.NODE_ENV !== 'production' && warn(
"Failed to resolve async component: " + (String(factory)) +
(reason ? ("\nReason: " + reason) : '')
);
};
var res = factory(resolve, reject);
// handle promise
if (res && typeof res.then === 'function' && !factory.resolved) {
res.then(resolve, reject);
}
sync = false;
// return in case resolved synchronously
return factory.resolved
}
}
function extractProps (data, Ctor) {
// we are only extracting 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 domProps = data.domProps;
if (attrs || props || domProps) {
for (var key in propOptions) {
var altKey = hyphenate(key);
checkProp(res, props, key, altKey, true) ||
checkProp(res, attrs, key, altKey) ||
checkProp(res, domProps, key, altKey);
}
}
return res
}
function checkProp (
res,
hash,
key,
altKey,
preserve
) {
if (hash) {
if (hasOwn(hash, key)) {
res[key] = hash[key];
if (!preserve) {
delete hash[key];
}
return true
} else if (hasOwn(hash, altKey)) {
res[key] = hash[altKey];
if (!preserve) {
delete hash[altKey];
}
return true
}
}
return false
}
function mergeHooks (data) {
if (!data.hook) {
data.hook = {};
}
for (var i = 0; i < hooksToMerge.length; i++) {
var key = hooksToMerge[i];
var fromParent = data.hook[key];
var ours = hooks[key];
data.hook[key] = fromParent ? mergeHook$1(ours, fromParent) : ours;
}
}
function mergeHook$1 (one, two) {
return function (a, b, c, d) {
one(a, b, c, d);
two(a, b, c, d);
}
}
/* */
// wrapper function for providing a more flexible interface
// without getting yelled at by flow
function createElement (
tag,
data,
children
) {
if (data && (Array.isArray(data) || typeof data !== 'object')) {
children = data;
data = undefined;
}
// make sure to use real instance instead of proxy as context
return _createElement(this._self, tag, data, children)
}
function _createElement (
context,
tag,
data,
children
) {
if (data && data.__ob__) {
process.env.NODE_ENV !== 'production' && warn(
"Avoid using observed data object as vnode data: " + (JSON.stringify(data)) + "\n" +
'Always create fresh vnode data objects in each render!',
context
);
return
}
if (!tag) {
// in case of component :is set to falsy value
return emptyVNode()
}
// support single function children as default scoped slot
if (Array.isArray(children) &&
typeof children[0] === 'function') {
data = data || {};
data.scopedSlots = { default: children[0] };
children.length = 0;
}
if (typeof tag === 'string') {
var Ctor;
var ns = config.getTagNamespace(tag);
if (config.isReservedTag(tag)) {
// platform built-in elements
return new VNode(
tag, data, normalizeChildren(children, ns),
undefined, undefined, ns, context
)
} else if ((Ctor = resolveAsset(context.$options, 'components', tag))) {
// component
return createComponent(Ctor, data, context, children, tag)
} else {
// unknown or unlisted namespaced elements
// check at runtime because it may get assigned a namespace when its
// parent normalizes children
var childNs = tag === 'foreignObject' ? 'xhtml' : ns;
return new VNode(
tag, data, normalizeChildren(children, childNs),
undefined, undefined, ns, context
)
}
} else {
// direct component options / constructor
return createComponent(tag, data, context, children)
}
}
/* */
function initRender (vm) {
vm.$vnode = null; // the placeholder node in parent tree
vm._vnode = null; // the root of the child tree
vm._staticTrees = null;
var parentVnode = vm.$options._parentVnode;
var renderContext = parentVnode && parentVnode.context;
vm.$slots = resolveSlots(vm.$options._renderChildren, renderContext);
vm.$scopedSlots = {};
// bind the public createElement fn to this instance
// so that we get proper render context inside it.
vm.$createElement = bind$1(createElement, vm);
if (vm.$options.el) {
vm.$mount(vm.$options.el);
}
}
function renderMixin (Vue) {
Vue.prototype.$nextTick = function (fn) {
return nextTick(fn, this)
};
Vue.prototype._render = function () {
var vm = this;
var ref = vm.$options;
var render = ref.render;
var staticRenderFns = ref.staticRenderFns;
var _parentVnode = ref._parentVnode;
if (vm._isMounted) {
// clone slot nodes on re-renders
for (var key in vm.$slots) {
vm.$slots[key] = cloneVNodes(vm.$slots[key]);
}
}
if (_parentVnode && _parentVnode.data.scopedSlots) {
vm.$scopedSlots = _parentVnode.data.scopedSlots;
}
if (staticRenderFns && !vm._staticTrees) {
vm._staticTrees = [];
}
// set parent vnode. this allows render functions to have access
// to the data on the placeholder node.
vm.$vnode = _parentVnode;
// render self
var vnode;
try {
vnode = render.call(vm._renderProxy, vm.$createElement);
} catch (e) {
/* istanbul ignore else */
if (config.errorHandler) {
config.errorHandler.call(null, e, vm);
} else {
if (process.env.NODE_ENV !== 'production') {
warn(("Error when rendering " + (formatComponentName(vm)) + ":"));
}
throw e
}
// return previous vnode to prevent render error causing blank component
vnode = vm._vnode;
}
// return empty vnode in case the render function errored out
if (!(vnode instanceof VNode)) {
if (process.env.NODE_ENV !== '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;
return vnode
};
// shorthands used in render functions
Vue.prototype._h = createElement;
// toString for mustaches
Vue.prototype._s = _toString;
// number conversion
Vue.prototype._n = toNumber;
// empty vnode
Vue.prototype._e = emptyVNode;
// loose equal
Vue.prototype._q = looseEqual;
// loose indexOf
Vue.prototype._i = looseIndexOf;
// render static tree by index
Vue.prototype._m = function renderStatic (
index,
isInFor
) {
var tree = this._staticTrees[index];
// if has already-rendered static tree and not inside v-for,
// we can reuse the same tree by doing a shallow clone.
if (tree && !isInFor) {
return Array.isArray(tree)
? cloneVNodes(tree)
: cloneVNode(tree)
}
// otherwise, render a fresh tree.
tree = this._staticTrees[index] = this.$options.staticRenderFns[index].call(this._renderProxy);
markStatic(tree, ("__static__" + index), false);
return tree
};
// mark node as static (v-once)
Vue.prototype._o = function markOnce (
tree,
index,
key
) {
markStatic(tree, ("__once__" + index + (key ? ("_" + key) : "")), true);
return tree
};
function markStatic (tree, key, isOnce) {
if (Array.isArray(tree)) {
for (var i = 0; i < tree.length; i++) {
if (tree[i] && typeof tree[i] !== 'string') {
markStaticNode(tree[i], (key + "_" + i), isOnce);
}
}
} else {
markStaticNode(tree, key, isOnce);
}
}
function markStaticNode (node, key, isOnce) {
node.isStatic = true;
node.key = key;
node.isOnce = isOnce;
}
// filter resolution helper
var identity = function (_) { return _; };
Vue.prototype._f = function resolveFilter (id) {
return resolveAsset(this.$options, 'filters', id, true) || identity
};
// render v-for
Vue.prototype._l = function renderList (
val,
render
) {
var ret, i, l, keys, key;
if (Array.isArray(val)) {
ret = new Array(val.length);
for (i = 0, l = val.length; i < l; i++) {
ret[i] = render(val[i], i);
}
} else if (typeof val === 'number') {
ret = new Array(val);
for (i = 0; i < val; i++) {
ret[i] = render(i + 1, i);
}
} else if (isObject(val)) {
keys = Object.keys(val);
ret = new Array(keys.length);
for (i = 0, l = keys.length; i < l; i++) {
key = keys[i];
ret[i] = render(val[key], key, i);
}
}
return ret
};
// renderSlot
Vue.prototype._t = function (
name,
fallback,
props
) {
var scopedSlotFn = this.$scopedSlots[name];
if (scopedSlotFn) { // scoped slot
return scopedSlotFn(props || {}) || fallback
} else {
var slotNodes = this.$slots[name];
// warn duplicate slot usage
if (slotNodes && process.env.NODE_ENV !== 'production') {
slotNodes._rendered && warn(
"Duplicate presence of slot \"" + name + "\" found in the same render tree " +
"- this will likely cause render errors.",
this
);
slotNodes._rendered = true;
}
return slotNodes || fallback
}
};
// apply v-bind object
Vue.prototype._b = function bindProps (
data,
tag,
value,
asProp
) {
if (value) {
if (!isObject(value)) {
process.env.NODE_ENV !== 'production' && warn(
'v-bind without argument expects an Object or Array value',
this
);
} else {
if (Array.isArray(value)) {
value = toObject(value);
}
for (var key in value) {
if (key === 'class' || key === 'style') {
data[key] = value[key];
} else {
var hash = asProp || config.mustUseProp(tag, key)
? data.domProps || (data.domProps = {})
: data.attrs || (data.attrs = {});
hash[key] = value[key];
}
}
}
}
return data
};
// check v-on keyCodes
Vue.prototype._k = function checkKeyCodes (
eventKeyCode,
key,
builtInAlias
) {
var keyCodes = config.keyCodes[key] || builtInAlias;
if (Array.isArray(keyCodes)) {
return keyCodes.indexOf(eventKeyCode) === -1
} else {
return keyCodes !== eventKeyCode
}
};
}
function resolveSlots (
renderChildren,
context
) {
var slots = {};
if (!renderChildren) {
return slots
}
var children = normalizeChildren(renderChildren) || [];
var defaultSlot = [];
var name, child;
for (var i = 0, l = children.length; i < l; i++) {
child = children[i];
// named slots should only be respected if the vnode was rendered in the
// same context.
if ((child.context === context || child.functionalContext === context) &&
child.data && (name = child.data.slot)) {
var slot = (slots[name] || (slots[name] = []));
if (child.tag === 'template') {
slot.push.apply(slot, child.children);
} else {
slot.push(child);
}
} else {
defaultSlot.push(child);
}
}
// ignore single whitespace
if (defaultSlot.length && !(
defaultSlot.length === 1 &&
(defaultSlot[0].text === ' ' || defaultSlot[0].isComment)
)) {
slots.default = defaultSlot;
}
return slots
}
/* */
function initEvents (vm) {
vm._events = Object.create(null);
// init parent attached events
var listeners = vm.$options._parentListeners;
var add = function (event, fn, once) {
once ? vm.$once(event, fn) : vm.$on(event, fn);
};
var remove$$1 = bind$1(vm.$off, vm);
vm._updateListeners = function (listeners, oldListeners) {
updateListeners(listeners, oldListeners || {}, add, remove$$1, vm);
};
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.$off = function (event, fn) {
var vm = this;
// all
if (!arguments.length) {
vm._events = Object.create(null);
return vm
}
// specific event
var cbs = vm._events[event];
if (!cbs) {
return vm
}
if (arguments.length === 1) {
vm._events[event] = null;
return vm
}
// specific handler
var cb;
var i = cbs.length;
while (i--) {
cb = cbs[i];
if (cb === fn || cb.fn === fn) {
cbs.splice(i, 1);
break
}
}
return vm
};
Vue.prototype.$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.$options = mergeOptions(
resolveConstructorOptions(vm.constructor),
options || {},
vm
);
}
/* istanbul ignore else */
if (process.env.NODE_ENV !== 'production') {
initProxy(vm);
} else {
vm._renderProxy = vm;
}
// expose real self
vm._self = vm;
initLifecycle(vm);
initEvents(vm);
callHook(vm, 'beforeCreate');
initState(vm);
callHook(vm, 'created');
initRender(vm);
};
}
function initInternalComponent (vm, options) {
var opts = vm.$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;
opts._parentElm = options._parentElm;
opts._refElm = options._refElm;
if (options.render) {
opts.render = options.render;
opts.staticRenderFns = options.staticRenderFns;
}
}
function resolveConstructorOptions (Ctor) {
var options = Ctor.options;
if (Ctor.super) {
var superOptions = Ctor.super.options;
var cachedSuperOptions = Ctor.superOptions;
var extendOptions = Ctor.extendOptions;
if (superOptions !== cachedSuperOptions) {
// super option changed
Ctor.superOptions = superOptions;
extendOptions.render = options.render;
extendOptions.staticRenderFns = options.staticRenderFns;
extendOptions._scopeId = options._scopeId;
options = Ctor.options = mergeOptions(superOptions, extendOptions);
if (options.name) {
options.components[options.name] = Ctor;
}
}
}
return options
}
function Vue$2 (options) {
if (process.env.NODE_ENV !== 'production' &&
!(this instanceof Vue$2)) {
warn('Vue is a constructor and should be called with the `new` keyword');
}
this._init(options);
}
initMixin(Vue$2);
stateMixin(Vue$2);
eventsMixin(Vue$2);
lifecycleMixin(Vue$2);
renderMixin(Vue$2);
/* */
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$1 (Vue) {
Vue.mixin = function (mixin) {
this.options = mergeOptions(this.options, mixin);
};
}
/* */
function initExtend (Vue) {
/**
* Each instance constructor, including Vue, has a unique
* cid. This enables us to create wrapped "child
* constructors" for prototypal inheritance and cache them.
*/
Vue.cid = 0;
var cid = 1;
/**
* Class inheritance
*/
Vue.extend = function (extendOptions) {
extendOptions = extendOptions || {};
var Super = this;
var SuperId = Super.cid;
var cachedCtors = extendOptions._Ctor || (extendOptions._Ctor = {});
if (cachedCtors[SuperId]) {
return cachedCtors[SuperId]
}
var name = extendOptions.name || Super.options.name;
if (process.env.NODE_ENV !== 'production') {
if (!/^[a-zA-Z][\w-]*$/.test(name)) {
warn(
'Invalid component name: "' + name + '". Component names ' +
'can only contain alphanumeric characaters and the hyphen.'
);
}
}
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/mixin/plugin usage
Sub.extend = Super.extend;
Sub.mixin = Super.mixin;
Sub.use = Super.use;
// create asset registers, so extended classes
// can have their private assets too.
config._assetTypes.forEach(function (type) {
Sub[type] = Super[type];
});
// enable recursive self-lookup
if (name) {
Sub.options.components[name] = Sub;
}
// keep a reference to the super options at extension time.
// later at instantiation we can check if Super's options have
// been updated.
Sub.superOptions = Super.options;
Sub.extendOptions = extendOptions;
// cache constructor
cachedCtors[SuperId] = 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 (process.env.NODE_ENV !== '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 = this.options._base.extend(definition);
}
if (type === 'directive' && typeof definition === 'function') {
definition = { bind: definition, update: definition };
}
this.options[type + 's'][id] = definition;
return definition
}
};
});
}
/* */
var patternTypes = [String, RegExp];
function matches (pattern, name) {
if (typeof pattern === 'string') {
return pattern.split(',').indexOf(name) > -1
} else {
return pattern.test(name)
}
}
var KeepAlive = {
name: 'keep-alive',
abstract: true,
props: {
include: patternTypes,
exclude: patternTypes
},
created: function created () {
this.cache = Object.create(null);
},
render: function render () {
var vnode = getFirstComponentChild(this.$slots.default);
if (vnode && vnode.componentOptions) {
var opts = vnode.componentOptions;
// check pattern
var name = opts.Ctor.options.name || opts.tag;
if (name && (
(this.include && !matches(this.include, name)) ||
(this.exclude && matches(this.exclude, name))
)) {
return vnode
}
var key = vnode.key == null
// same constructor may get registered as different local components
// so cid alone is not enough (#3269)
? opts.Ctor.cid + (opts.tag ? ("::" + (opts.tag)) : '')
: vnode.key;
if (this.cache[key]) {
vnode.child = this.cache[key].child;
} else {
this.cache[key] = vnode;
}
vnode.data.keepAlive = true;
}
return vnode
},
destroyed: function destroyed () {
var this$1 = this;
for (var key in this.cache) {
var vnode = this$1.cache[key];
callHook(vnode.child, 'deactivated');
vnode.child.$destroy();
}
}
};
var builtInComponents = {
KeepAlive: KeepAlive
};
/* */
function initGlobalAPI (Vue) {
// config
var configDef = {};
configDef.get = function () { return config; };
if (process.env.NODE_ENV !== 'production') {
configDef.set = function () {
warn(
'Do not replace the Vue.config object, set individual fields instead.'
);
};
}
Object.defineProperty(Vue, 'config', configDef);
Vue.util = util;
Vue.set = set$1;
Vue.delete = del;
Vue.nextTick = nextTick;
Vue.options = Object.create(null);
config._assetTypes.forEach(function (type) {
Vue.options[type + 's'] = Object.create(null);
});
// this is used to identify the "base" constructor to extend all plain-object
// components with in Weex's multi-instance scenarios.
Vue.options._base = Vue;
extend(Vue.options.components, builtInComponents);
initUse(Vue);
initMixin$1(Vue);
initExtend(Vue);
initAssetRegisters(Vue);
}
initGlobalAPI(Vue$2);
Object.defineProperty(Vue$2.prototype, '$isServer', {
get: isServerRendering
});
Vue$2.version = '2.1.4';
/* */
// attributes that should be using props for binding
var mustUseProp = function (tag, attr) {
return (
(attr === 'value' && (tag === 'input' || tag === 'textarea' || tag === 'option')) ||
(attr === 'selected' && tag === 'option') ||
(attr === 'checked' && tag === 'input') ||
(attr === 'muted' && tag === 'video')
)
};
var isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck');
var isBooleanAttr = makeMap(
'allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,' +
'default,defaultchecked,defaultmuted,defaultselected,defer,disabled,' +
'enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,' +
'muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,' +
'required,reversed,scoped,seamless,selected,sortable,translate,' +
'truespeed,typemustmatch,visible'
);
var xlinkNS = 'http://www.w3.org/1999/xlink';
var isXlink = function (name) {
return name.charAt(5) === ':' && name.slice(0, 5) === 'xlink'
};
var getXlinkProp = function (name) {
return isXlink(name) ? name.slice(6, name.length) : ''
};
var isFalsyAttrValue = function (val) {
return val == null || val === false
};
/* */
function genClassForVnode (vnode) {
var data = vnode.data;
var parentNode = vnode;
var childNode = vnode;
while (childNode.child) {
childNode = childNode.child._vnode;
if (childNode.data) {
data = mergeClassData(childNode.data, data);
}
}
while ((parentNode = parentNode.parent)) {
if (parentNode.data) {
data = mergeClassData(data, parentNode.data);
}
}
return genClassFromData(data)
}
function mergeClassData (child, parent) {
return {
staticClass: concat(child.staticClass, parent.staticClass),
class: 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;
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',
xhtml: 'http://www.w3.org/1999/xhtml'
};
var isHTMLTag = makeMap(
'html,body,base,head,link,meta,style,title,' +
'address,article,aside,footer,header,h1,h2,h3,h4,h5,h6,hgroup,nav,section,' +
'div,dd,dl,dt,figcaption,figure,hr,img,li,main,ol,p,pre,ul,' +
'a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,rtc,ruby,' +
's,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,video,' +
'embed,object,param,source,canvas,script,noscript,del,ins,' +
'caption,col,colgroup,table,thead,tbody,td,th,tr,' +
'button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,' +
'output,progress,select,textarea,' +
'details,dialog,menu,menuitem,summary,' +
'content,element,shadow,template'
);
// this map is intentionally selective, only covering SVG elements that may
// contain child elements.
var isSVG = makeMap(
'svg,animate,circle,clippath,cursor,defs,desc,ellipse,filter,font,' +
'font-face,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' +
'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view',
true
);
var isReservedTag = function (tag) {
return isHTMLTag(tag) || isSVG(tag)
};
function getTagNamespace (tag) {
if (isSVG(tag)) {
return 'svg'
}
// basic support for MathML
// note it doesn't support other MathML elements being component roots
if (tag === 'math') {
return 'math'
}
}
var unknownElementCache = Object.create(null);
function isUnknownElement (tag) {
/* istanbul ignore if */
if (!inBrowser) {
return true
}
if (isReservedTag(tag)) {
return false
}
tag = tag.toLowerCase();
/* istanbul ignore if */
if (unknownElementCache[tag] != null) {
return unknownElementCache[tag]
}
var el = document.createElement(tag);
if (tag.indexOf('-') > -1) {
// http://stackoverflow.com/a/28210364/1070244
return (unknownElementCache[tag] = (
el.constructor === window.HTMLUnknownElement ||
el.constructor === window.HTMLElement
))
} else {
return (unknownElementCache[tag] = /HTMLUnknownElement/.test(el.toString()))
}
}
/* */
/**
* Query an element selector if it's not an element already.
*/
function query (el) {
if (typeof el === 'string') {
var selector = el;
el = document.querySelector(el);
if (!el) {
process.env.NODE_ENV !== 'production' && warn(
'Cannot find element: ' + selector
);
return document.createElement('div')
}
}
return el
}
/* */
function createElement$1 (tagName, vnode) {
var elm = document.createElement(tagName);
if (tagName !== 'select') {
return elm
}
if (vnode.data && vnode.data.attrs && 'multiple' in vnode.data.attrs) {
elm.setAttribute('multiple', 'multiple');
}
return elm
}
function createElementNS (namespace, tagName) {
return document.createElementNS(namespaceMap[namespace], tagName)
}
function createTextNode (text) {
return document.createTextNode(text)
}
function createComment (text) {
return document.createComment(text)
}
function insertBefore (parentNode, newNode, referenceNode) {
parentNode.insertBefore(newNode, referenceNode);
}
function removeChild (node, child) {
node.removeChild(child);
}
function appendChild (node, child) {
node.appendChild(child);
}
function parentNode (node) {
return node.parentNode
}
function nextSibling (node) {
return node.nextSibling
}
function tagName (node) {
return node.tagName
}
function setTextContent (node, text) {
node.textContent = text;
}
function childNodes (node) {
return node.childNodes
}
function setAttribute (node, key, val) {
node.setAttribute(key, val);
}
var nodeOps = Object.freeze({
createElement: createElement$1,
createElementNS: createElementNS,
createTextNode: createTextNode,
createComment: createComment,
insertBefore: insertBefore,
removeChild: removeChild,
appendChild: appendChild,
parentNode: parentNode,
nextSibling: nextSibling,
tagName: tagName,
setTextContent: setTextContent,
childNodes: childNodes,
setAttribute: setAttribute
});
/* */
var ref = {
create: function create (_, vnode) {
registerRef(vnode);
},
update: function update (oldVnode, vnode) {
if (oldVnode.data.ref !== vnode.data.ref) {
registerRef(oldVnode, true);
registerRef(vnode);
}
},
destroy: function destroy (vnode) {
registerRef(vnode, true);
}
};
function registerRef (vnode, isRemoval) {
var key = vnode.data.ref;
if (!key) { return }
var vm = vnode.context;
var ref = vnode.child || vnode.elm;
var refs = vm.$refs;
if (isRemoval) {
if (Array.isArray(refs[key])) {
remove$1(refs[key], ref);
} else if (refs[key] === ref) {
refs[key] = undefined;
}
} else {
if (vnode.data.refInFor) {
if (Array.isArray(refs[key]) && refs[key].indexOf(ref) < 0) {
refs[key].push(ref);
} else {
refs[key] = [ref];
}
} else {
refs[key] = ref;
}
}
}
/**
* Virtual DOM patching algorithm based on Snabbdom by
* Simon Friis Vindum (@paldepind)
* Licensed under the MIT License
* https://github.com/paldepind/snabbdom/blob/master/LICENSE
*
* modified by Evan You (@yyx990803)
*
/*
* Not type-checking this because this file is perf-critical and the cost
* of making flow understand it is not worth it.
*/
var emptyNode = new VNode('', {}, []);
var hooks$1 = ['create', 'activate', 'update', '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 &&
vnode1.isComment === vnode2.isComment &&
!vnode1.data === !vnode2.data
)
}
function createKeyToOldIdx (children, beginIdx, endIdx) {
var i, key;
var map = {};
for (i = beginIdx; i <= endIdx; ++i) {
key = children[i].key;
if (isDef(key)) { map[key] = i; }
}
return map
}
function createPatchFunction (backend) {
var i, j;
var cbs = {};
var modules = backend.modules;
var nodeOps = backend.nodeOps;
for (i = 0; i < hooks$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$$1 () {
if (--remove$$1.listeners === 0) {
removeElement(childElm);
}
}
remove$$1.listeners = listeners;
return remove$$1
}
function removeElement (el) {
var parent = nodeOps.parentNode(el);
// element may have already been removed due to v-html
if (parent) {
nodeOps.removeChild(parent, el);
}
}
var inPre = 0;
function createElm (vnode, insertedVnodeQueue, parentElm, refElm, nested) {
vnode.isRootInsert = !nested; // for transition enter check
if (createComponent(vnode, insertedVnodeQueue, parentElm, refElm)) {
return
}
var data = vnode.data;
var children = vnode.children;
var tag = vnode.tag;
if (isDef(tag)) {
if (process.env.NODE_ENV !== 'production') {
if (data && data.pre) {
inPre++;
}
if (
!inPre &&
!vnode.ns &&
!(config.ignoredElements && config.ignoredElements.indexOf(tag) > -1) &&
config.isUnknownElement(tag)
) {
warn(
'Unknown custom element: <' + tag + '> - did you ' +
'register the component correctly? For recursive components, ' +
'make sure to provide the "name" option.',
vnode.context
);
}
}
vnode.elm = vnode.ns
? nodeOps.createElementNS(vnode.ns, tag)
: nodeOps.createElement(tag, vnode);
setScope(vnode);
/* istanbul ignore if */
{
createChildren(vnode, children, insertedVnodeQueue);
if (isDef(data)) {
invokeCreateHooks(vnode, insertedVnodeQueue);
}
insert(parentElm, vnode.elm, refElm);
}
if (process.env.NODE_ENV !== 'production' && data && data.pre) {
inPre--;
}
} else if (vnode.isComment) {
vnode.elm = nodeOps.createComment(vnode.text);
insert(parentElm, vnode.elm, refElm);
} else {
vnode.elm = nodeOps.createTextNode(vnode.text);
insert(parentElm, vnode.elm, refElm);
}
}
function createComponent (vnode, insertedVnodeQueue, parentElm, refElm) {
var i = vnode.data;
if (isDef(i)) {
var isReactivated = isDef(vnode.child) && i.keepAlive;
if (isDef(i = i.hook) && isDef(i = i.init)) {
i(vnode, false /* hydrating */, parentElm, refElm);
}
// after calling the init hook, if the vnode is a child component
// it should've created a child instance and mounted it. the child
// component also has set the placeholder vnode's elm.
// in that case we can just return the element and be done.
if (isDef(vnode.child)) {
initComponent(vnode, insertedVnodeQueue);
if (isReactivated) {
reactivateComponent(vnode, insertedVnodeQueue, parentElm, refElm);
}
return true
}
}
}
function reactivateComponent (vnode, insertedVnodeQueue, parentElm, refElm) {
var i;
// hack for #4339: a reactivated component with inner transition
// does not trigger because the inner node's created hooks are not called
// again. It's not ideal to involve module-specific logic in here but
// there doesn't seem to be a better way to do it.
var innerNode = vnode;
while (innerNode.child) {
innerNode = innerNode.child._vnode;
if (isDef(i = innerNode.data) && isDef(i = i.transition)) {
for (i = 0; i < cbs.activate.length; ++i) {
cbs.activate[i](emptyNode, innerNode);
}
insertedVnodeQueue.push(innerNode);
break
}
}
// unlike a newly created component,
// a reactivated keep-alive component doesn't insert itself
insert(parentElm, vnode.elm, refElm);
}
function insert (parent, elm, ref) {
if (parent) {
nodeOps.insertBefore(parent, elm, ref);
}
}
function createChildren (vnode, children, insertedVnodeQueue) {
if (Array.isArray(children)) {
for (var i = 0; i < children.length; ++i) {
createElm(children[i], insertedVnodeQueue, vnode.elm, null, true);
}
} else if (isPrimitive(vnode.text)) {
nodeOps.appendChild(vnode.elm, nodeOps.createTextNode(vnode.text));
}
}
function isPatchable (vnode) {
while (vnode.child) {
vnode = vnode.child._vnode;
}
return isDef(vnode.tag)
}
function invokeCreateHooks (vnode, insertedVnodeQueue) {
for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {
cbs.create[i$1](emptyNode, vnode);
}
i = vnode.data.hook; // Reuse variable
if (isDef(i)) {
if (i.create) { i.create(emptyNode, vnode); }
if (i.insert) { insertedVnodeQueue.push(vnode); }
}
}
function initComponent (vnode, insertedVnodeQueue) {
if (vnode.data.pendingInsert) {
insertedVnodeQueue.push.apply(insertedVnodeQueue, vnode.data.pendingInsert);
}
vnode.elm = vnode.child.$el;
if (isPatchable(vnode)) {
invokeCreateHooks(vnode, insertedVnodeQueue);
setScope(vnode);
} else {
// empty component root.
// skip all element-related modules except for ref (#3455)
registerRef(vnode);
// make sure to invoke the insert hook
insertedVnodeQueue.push(vnode);
}
}
// 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;
if (isDef(i = vnode.context) && isDef(i = i.$options._scopeId)) {
nodeOps.setAttribute(vnode.elm, i, '');
}
if (isDef(i = activeInstance) &&
i !== vnode.context &&
isDef(i = i.$options._scopeId)) {
nodeOps.setAttribute(vnode.elm, i, '');
}
}
function addVnodes (parentElm, refElm, vnodes, startIdx, endIdx, insertedVnodeQueue) {
for (; startIdx <= endIdx; ++startIdx) {
createElm(vnodes[startIdx], insertedVnodeQueue, parentElm, refElm);
}
}
function invokeDestroyHook (vnode) {
var i, j;
var data = vnode.data;
if (isDef(data)) {
if (isDef(i = data.hook) && isDef(i = i.destroy)) { i(vnode); }
for (i = 0; i < cbs.destroy.length; ++i) { cbs.destroy[i](vnode); }
}
if (isDef(i = vnode.children)) {
for (j = 0; j < vnode.children.length; ++j) {
invokeDestroyHook(vnode.children[j]);
}
}
}
function removeVnodes (parentElm, vnodes, startIdx, endIdx) {
for (; startIdx <= endIdx; ++startIdx) {
var ch = vnodes[startIdx];
if (isDef(ch)) {
if (isDef(ch.tag)) {
removeAndInvokeRemoveHook(ch);
invokeDestroyHook(ch);
} else { // Text node
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, removeOnly) {
var oldStartIdx = 0;
var newStartIdx = 0;
var oldEndIdx = oldCh.length - 1;
var oldStartVnode = oldCh[0];
var oldEndVnode = oldCh[oldEndIdx];
var newEndIdx = newCh.length - 1;
var newStartVnode = newCh[0];
var newEndVnode = newCh[newEndIdx];
var oldKeyToIdx, idxInOld, elmToMove, refElm;
// removeOnly is a special flag used only by <transition-group>
// to ensure removed elements stay in correct relative positions
// during leaving transitions
var canMove = !removeOnly;
while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) {
if (isUndef(oldStartVnode)) {
oldStartVnode = oldCh[++oldStartIdx]; // Vnode has been moved left
} else if (isUndef(oldEndVnode)) {
oldEndVnode = oldCh[--oldEndIdx];
} else if (sameVnode(oldStartVnode, newStartVnode)) {
patchVnode(oldStartVnode, newStartVnode, insertedVnodeQueue);
oldStartVnode = oldCh[++oldStartIdx];
newStartVnode = newCh[++newStartIdx];
} else if (sameVnode(oldEndVnode, newEndVnode)) {
patchVnode(oldEndVnode, newEndVnode, insertedVnodeQueue);
oldEndVnode = oldCh[--oldEndIdx];
newEndVnode = newCh[--newEndIdx];
} else if (sameVnode(oldStartVnode, newEndVnode)) { // Vnode moved right
patchVnode(oldStartVnode, newEndVnode, insertedVnodeQueue);
canMove && nodeOps.insertBefore(parentElm, oldStartVnode.elm, nodeOps.nextSibling(oldEndVnode.elm));
oldStartVnode = oldCh[++oldStartIdx];
newEndVnode = newCh[--newEndIdx];
} else if (sameVnode(oldEndVnode, newStartVnode)) { // Vnode moved left
patchVnode(oldEndVnode, newStartVnode, insertedVnodeQueue);
canMove && nodeOps.insertBefore(parentElm, oldEndVnode.elm, oldStartVnode.elm);
oldEndVnode = oldCh[--oldEndIdx];
newStartVnode = newCh[++newStartIdx];
} else {
if (isUndef(oldKeyToIdx)) { oldKeyToIdx = createKeyToOldIdx(oldCh, oldStartIdx, oldEndIdx); }
idxInOld = isDef(newStartVnode.key) ? oldKeyToIdx[newStartVnode.key] : null;
if (isUndef(idxInOld)) { // New element
createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm);
newStartVnode = newCh[++newStartIdx];
} else {
elmToMove = oldCh[idxInOld];
/* istanbul ignore if */
if (process.env.NODE_ENV !== '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
createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm);
newStartVnode = newCh[++newStartIdx];
} else {
patchVnode(elmToMove, newStartVnode, insertedVnodeQueue);
oldCh[idxInOld] = undefined;
canMove && nodeOps.insertBefore(parentElm, newStartVnode.elm, oldStartVnode.elm);
newStartVnode = newCh[++newStartIdx];
}
}
}
}
if (oldStartIdx > oldEndIdx) {
refElm = isUndef(newCh[newEndIdx + 1]) ? null : newCh[newEndIdx + 1].elm;
addVnodes(parentElm, refElm, newCh, newStartIdx, newEndIdx, insertedVnodeQueue);
} else if (newStartIdx > newEndIdx) {
removeVnodes(parentElm, oldCh, oldStartIdx, oldEndIdx);
}
}
function patchVnode (oldVnode, vnode, insertedVnodeQueue, removeOnly) {
if (oldVnode === vnode) {
return
}
// reuse element for static trees.
// note we only do this if the vnode is cloned -
// if the new node is not cloned it means the render functions have been
// reset by the hot-reload-api and we need to do a proper re-render.
if (vnode.isStatic &&
oldVnode.isStatic &&
vnode.key === oldVnode.key &&
(vnode.isCloned || vnode.isOnce)) {
vnode.elm = oldVnode.elm;
vnode.child = oldVnode.child;
return
}
var i;
var data = vnode.data;
var hasData = isDef(data);
if (hasData && isDef(i = data.hook) && isDef(i = i.prepatch)) {
i(oldVnode, vnode);
}
var elm = vnode.elm = oldVnode.elm;
var oldCh = oldVnode.children;
var ch = vnode.children;
if (hasData && isPatchable(vnode)) {
for (i = 0; i < cbs.update.length; ++i) { cbs.update[i](oldVnode, vnode); }
if (isDef(i = data.hook) && isDef(i = i.update)) { i(oldVnode, vnode); }
}
if (isUndef(vnode.text)) {
if (isDef(oldCh) && isDef(ch)) {
if (oldCh !== ch) { updateChildren(elm, oldCh, ch, insertedVnodeQueue, removeOnly); }
} else if (isDef(ch)) {
if (isDef(oldVnode.text)) { nodeOps.setTextContent(elm, ''); }
addVnodes(elm, null, ch, 0, ch.length - 1, insertedVnodeQueue);
} else if (isDef(oldCh)) {
removeVnodes(elm, oldCh, 0, oldCh.length - 1);
} else if (isDef(oldVnode.text)) {
nodeOps.setTextContent(elm, '');
}
} else if (oldVnode.text !== vnode.text) {
nodeOps.setTextContent(elm, vnode.text);
}
if (hasData) {
if (isDef(i = data.hook) && isDef(i = i.postpatch)) { i(oldVnode, vnode); }
}
}
function invokeInsertHook (vnode, queue, initial) {
// delay insert hooks for component root nodes, invoke them after the
// element is really inserted
if (initial && vnode.parent) {
vnode.parent.data.pendingInsert = queue;
} else {
for (var i = 0; i < queue.length; ++i) {
queue[i].data.hook.insert(queue[i]);
}
}
}
var bailed = false;
function hydrate (elm, vnode, insertedVnodeQueue) {
if (process.env.NODE_ENV !== '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.
initComponent(vnode, insertedVnodeQueue);
return true
}
}
if (isDef(tag)) {
if (isDef(children)) {
var childNodes = nodeOps.childNodes(elm);
// empty element, allow client to pick up and populate children
if (!childNodes.length) {
createChildren(vnode, children, insertedVnodeQueue);
} else {
var childrenMatch = true;
if (childNodes.length !== children.length) {
childrenMatch = false;
} else {
for (var i$1 = 0; i$1 < children.length; i$1++) {
if (!hydrate(childNodes[i$1], children[i$1], insertedVnodeQueue)) {
childrenMatch = false;
break
}
}
}
if (!childrenMatch) {
if (process.env.NODE_ENV !== 'production' &&
typeof console !== 'undefined' &&
!bailed) {
bailed = true;
console.warn('Parent: ', elm);
console.warn('Mismatching childNodes vs. VNodes: ', childNodes, children);
}
return false
}
}
}
if (isDef(data)) {
invokeCreateHooks(vnode, insertedVnodeQueue);
}
}
return true
}
function assertNodeMatch (node, vnode) {
if (vnode.tag) {
return (
vnode.tag.indexOf('vue-component') === 0 ||
vnode.tag.toLowerCase() === nodeOps.tagName(node).toLowerCase()
)
} else {
return _toString(vnode.text) === node.data
}
}
return function patch (oldVnode, vnode, hydrating, removeOnly, parentElm, refElm) {
if (!vnode) {
if (oldVnode) { invokeDestroyHook(oldVnode); }
return
}
var elm, parent;
var isInitialPatch = false;
var insertedVnodeQueue = [];
if (!oldVnode) {
// empty mount (likely as component), create new root element
isInitialPatch = true;
createElm(vnode, insertedVnodeQueue, parentElm, refElm);
} else {
var isRealElement = isDef(oldVnode.nodeType);
if (!isRealElement && sameVnode(oldVnode, vnode)) {
// patch existing root node
patchVnode(oldVnode, vnode, insertedVnodeQueue, removeOnly);
} else {
if (isRealElement) {
// mounting to a real element
// check if this is server-rendered content and if we can perform
// a successful hydration.
if (oldVnode.nodeType === 1 && oldVnode.hasAttribute('server-rendered')) {
oldVnode.removeAttribute('server-rendered');
hydrating = true;
}
if (hydrating) {
if (hydrate(oldVnode, vnode, insertedVnodeQueue)) {
invokeInsertHook(vnode, insertedVnodeQueue, true);
return oldVnode
} else if (process.env.NODE_ENV !== 'production') {
warn(
'The client-side rendered virtual DOM tree is not matching ' +
'server-rendered content. This is likely caused by incorrect ' +
'HTML markup, for example nesting block-level elements inside ' +
'<p>, or missing <tbody>. Bailing hydration and performing ' +
'full client-side render.'
);
}
}
// either not server-rendered, or hydration failed.
// create an empty node and replace it
oldVnode = emptyNodeAt(oldVnode);
}
// replacing existing element
elm = oldVnode.elm;
parent = nodeOps.parentNode(elm);
createElm(vnode, insertedVnodeQueue, parent, nodeOps.nextSibling(elm));
if (vnode.parent) {
// component root element replaced.
// update parent placeholder node element, recursively
var ancestor = vnode.parent;
while (ancestor) {
ancestor.elm = vnode.elm;
ancestor = ancestor.parent;
}
if (isPatchable(vnode)) {
for (var i = 0; i < cbs.create.length; ++i) {
cbs.create[i](emptyNode, vnode.parent);
}
}
}
if (parent !== null) {
removeVnodes(parent, [oldVnode], 0, 0);
} else if (isDef(oldVnode.tag)) {
invokeDestroyHook(oldVnode);
}
}
}
invokeInsertHook(vnode, insertedVnodeQueue, isInitialPatch);
return vnode.elm
}
}
/* */
var directives = {
create: updateDirectives,
update: updateDirectives,
destroy: function unbindDirectives (vnode) {
updateDirectives(vnode, emptyNode);
}
};
function updateDirectives (
oldVnode,
vnode
) {
if (!oldVnode.data.directives && !vnode.data.directives) {
return
}
var isCreate = oldVnode === emptyNode;
var oldDirs = normalizeDirectives$1(oldVnode.data.directives, oldVnode.context);
var newDirs = normalizeDirectives$1(vnode.data.directives, vnode.context);
var dirsWithInsert = [];
var dirsWithPostpatch = [];
var key, oldDir, dir;
for (key in newDirs) {
oldDir = oldDirs[key];
dir = newDirs[key];
if (!oldDir) {
// new directive, bind
callHook$1(dir, 'bind', vnode, oldVnode);
if (dir.def && dir.def.inserted) {
dirsWithInsert.push(dir);
}
} else {
// existing directive, update
dir.oldValue = oldDir.value;
callHook$1(dir, 'update', vnode, oldVnode);
if (dir.def && dir.def.componentUpdated) {
dirsWithPostpatch.push(dir);
}
}
}
if (dirsWithInsert.length) {
var callInsert = function () {
dirsWithInsert.forEach(function (dir) {
callHook$1(dir, 'inserted', vnode, oldVnode);
});
};
if (isCreate) {
mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), 'insert', callInsert, 'dir-insert');
} else {
callInsert();
}
}
if (dirsWithPostpatch.length) {
mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), 'postpatch', function () {
dirsWithPostpatch.forEach(function (dir) {
callHook$1(dir, 'componentUpdated', vnode, oldVnode);
});
}, 'dir-postpatch');
}
if (!isCreate) {
for (key in oldDirs) {
if (!newDirs[key]) {
// no longer present, unbind
callHook$1(oldDirs[key], 'unbind', oldVnode);
}
}
}
}
var emptyModifiers = Object.create(null);
function normalizeDirectives$1 (
dirs,
vm
) {
var res = Object.create(null);
if (!dirs) {
return res
}
var i, dir;
for (i = 0; i < dirs.length; i++) {
dir = dirs[i];
if (!dir.modifiers) {
dir.modifiers = emptyModifiers;
}
res[getRawDirName(dir)] = dir;
dir.def = resolveAsset(vm.$options, 'directives', dir.name, true);
}
return res
}
function getRawDirName (dir) {
return dir.rawName || ((dir.name) + "." + (Object.keys(dir.modifiers || {}).join('.')))
}
function callHook$1 (dir, hook, vnode, oldVnode) {
var fn = dir.def && dir.def[hook];
if (fn) {
fn(vnode.elm, dir, vnode, oldVnode);
}
}
var baseModules = [
ref,
directives
];
/* */
function updateAttrs (oldVnode, vnode) {
if (!oldVnode.data.attrs && !vnode.data.attrs) {
return
}
var key, cur, old;
var elm = vnode.elm;
var oldAttrs = oldVnode.data.attrs || {};
var attrs = vnode.data.attrs || {};
// clone observed objects, as the user probably wants to mutate it
if (attrs.__ob__) {
attrs = vnode.data.attrs = extend({}, attrs);
}
for (key in attrs) {
cur = attrs[key];
old = oldAttrs[key];
if (old !== cur) {
setAttr(elm, key, cur);
}
}
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: updateAttrs,
update: updateAttrs
};
/* */
function updateClass (oldVnode, vnode) {
var el = vnode.elm;
var data = vnode.data;
var oldData = oldVnode.data;
if (!data.staticClass && !data.class &&
(!oldData || (!oldData.staticClass && !oldData.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
};
// skip type checking this file because we need to attach private properties
// to elements
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, once, capture) {
if (once) {
var oldHandler = handler;
handler = function (ev) {
remove(event, handler, capture);
arguments.length === 1
? oldHandler(ev)
: oldHandler.apply(null, arguments);
};
}
vnode.elm.addEventListener(event, handler, capture);
}
);
var remove = vnode.elm._v_remove || (
vnode.elm._v_remove = function (event, handler, capture) {
vnode.elm.removeEventListener(event, handler, capture);
}
);
updateListeners(on, oldOn, add, remove, vnode.context);
}
var events = {
create: updateDOMListeners,
update: updateDOMListeners
};
/* */
function updateDOMProps (oldVnode, vnode) {
if (!oldVnode.data.domProps && !vnode.data.domProps) {
return
}
var key, cur;
var elm = vnode.elm;
var oldProps = oldVnode.data.domProps || {};
var props = vnode.data.domProps || {};
// clone observed objects, as the user probably wants to mutate it
if (props.__ob__) {
props = vnode.data.domProps = extend({}, props);
}
for (key in oldProps) {
if (props[key] == null) {
elm[key] = '';
}
}
for (key in props) {
cur = props[key];
// ignore children if the node has textContent or innerHTML,
// as these will throw away existing DOM nodes and cause removal errors
// on subsequent patches (#3360)
if (key === 'textContent' || key === 'innerHTML') {
if (vnode.children) { vnode.children.length = 0; }
if (cur === oldProps[key]) { continue }
}
if (key === 'value') {
// store value as _value as well since
// non-string values will be stringified
elm._value = cur;
// avoid resetting cursor position when value is the same
var strCur = cur == null ? '' : String(cur);
if (elm.value !== strCur && !elm.composing) {
elm.value = strCur;
}
} else {
elm[key] = cur;
}
}
}
var domProps = {
create: updateDOMProps,
update: updateDOMProps
};
/* */
var parseStyleText = cached(function (cssText) {
var res = {};
var listDelimiter = /;(?![^(]*\))/g;
var propertyDelimiter = /:(.+)/;
cssText.split(listDelimiter).forEach(function (item) {
if (item) {
var tmp = item.split(propertyDelimiter);
tmp.length > 1 && (res[tmp[0].trim()] = tmp[1].trim());
}
});
return res
});
// merge static and dynamic style data on the same vnode
function normalizeStyleData (data) {
var style = normalizeStyleBinding(data.style);
// static style is pre-processed into an object during compilation
// and is always a fresh object, so it's safe to merge into it
return data.staticStyle
? extend(data.staticStyle, style)
: style
}
// normalize possible array / string values into Object
function normalizeStyleBinding (bindingStyle) {
if (Array.isArray(bindingStyle)) {
return toObject(bindingStyle)
}
if (typeof bindingStyle === 'string') {
return parseStyleText(bindingStyle)
}
return bindingStyle
}
/**
* parent component style should be after child's
* so that parent component's style could override it
*/
function getStyle (vnode, checkChild) {
var res = {};
var styleData;
if (checkChild) {
var childNode = vnode;
while (childNode.child) {
childNode = childNode.child._vnode;
if (childNode.data && (styleData = normalizeStyleData(childNode.data))) {
extend(res, styleData);
}
}
}
if ((styleData = normalizeStyleData(vnode.data))) {
extend(res, styleData);
}
var parentNode = vnode;
while ((parentNode = parentNode.parent)) {
if (parentNode.data && (styleData = normalizeStyleData(parentNode.data))) {
extend(res, styleData);
}
}
return res
}
/* */
var cssVarRE = /^--/;
var importantRE = /\s*!important$/;
var setProp = function (el, name, val) {
/* istanbul ignore if */
if (cssVarRE.test(name)) {
el.style.setProperty(name, val);
} else if (importantRE.test(val)) {
el.style.setProperty(name, val.replace(importantRE, ''), 'important');
} else {
el.style[normalize(name)] = val;
}
};
var prefixes = ['Webkit', 'Moz', 'ms'];
var testEl;
var normalize = cached(function (prop) {
testEl = testEl || document.createElement('div');
prop = camelize(prop);
if (prop !== 'filter' && (prop in testEl.style)) {
return prop
}
var upper = prop.charAt(0).toUpperCase() + prop.slice(1);
for (var i = 0; i < prefixes.length; i++) {
var prefixed = prefixes[i] + upper;
if (prefixed in testEl.style) {
return prefixed
}
}
});
function updateStyle (oldVnode, vnode) {
var data = vnode.data;
var oldData = oldVnode.data;
if (!data.staticStyle && !data.style &&
!oldData.staticStyle && !oldData.style) {
return
}
var cur, name;
var el = vnode.elm;
var oldStaticStyle = oldVnode.data.staticStyle;
var oldStyleBinding = oldVnode.data.style || {};
// if static style exists, stylebinding already merged into it when doing normalizeStyleData
var oldStyle = oldStaticStyle || oldStyleBinding;
var style = normalizeStyleBinding(vnode.data.style) || {};
vnode.data.style = style.__ob__ ? extend({}, style) : style;
var newStyle = getStyle(vnode, true);
for (name in oldStyle) {
if (newStyle[name] == null) {
setProp(el, name, '');
}
}
for (name in newStyle) {
cur = newStyle[name];
if (cur !== oldStyle[name]) {
// ie9 setting to null has no effect, must use empty string
setProp(el, name, cur == null ? '' : cur);
}
}
}
var style = {
create: updateStyle,
update: updateStyle
};
/* */
/**
* Add class with compatibility for SVG since classList is not supported on
* SVG elements in IE
*/
function addClass (el, cls) {
/* istanbul ignore if */
if (!cls || !cls.trim()) {
return
}
/* istanbul ignore else */
if (el.classList) {
if (cls.indexOf(' ') > -1) {
cls.split(/\s+/).forEach(function (c) { return el.classList.add(c); });
} else {
el.classList.add(cls);
}
} else {
var cur = ' ' + el.getAttribute('class') + ' ';
if (cur.indexOf(' ' + cls + ' ') < 0) {
el.setAttribute('class', (cur + cls).trim());
}
}
}
/**
* Remove class with compatibility for SVG since classList is not supported on
* SVG elements in IE
*/
function removeClass (el, cls) {
/* istanbul ignore if */
if (!cls || !cls.trim()) {
return
}
/* istanbul ignore else */
if (el.classList) {
if (cls.indexOf(' ') > -1) {
cls.split(/\s+/).forEach(function (c) { return el.classList.remove(c); });
} else {
el.classList.remove(cls);
}
} else {
var cur = ' ' + el.getAttribute('class') + ' ';
var tar = ' ' + cls + ' ';
while (cur.indexOf(tar) >= 0) {
cur = cur.replace(tar, ' ');
}
el.setAttribute('class', cur.trim());
}
}
/* */
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 addTransitionClass (el, cls) {
(el._transitionClasses || (el._transitionClasses = [])).push(cls);
addClass(el, cls);
}
function removeTransitionClass (el, cls) {
if (el._transitionClasses) {
remove$1(el._transitionClasses, cls);
}
removeClass(el, cls);
}
function whenTransitionEnds (
el,
expectedType,
cb
) {
var ref = getTransitionInfo(el, expectedType);
var type = ref.type;
var timeout = ref.timeout;
var propCount = ref.propCount;
if (!type) { return cb() }
var event = type === TRANSITION ? transitionEndEvent : animationEndEvent;
var ended = 0;
var end = function () {
el.removeEventListener(event, onEnd);
cb();
};
var onEnd = function (e) {
if (e.target === el) {
if (++ended >= propCount) {
end();
}
}
};
setTimeout(function () {
if (ended < propCount) {
end();
}
}, timeout + 1);
el.addEventListener(event, onEnd);
}
var transformRE = /\b(transform|all)(,|$)/;
function getTransitionInfo (el, expectedType) {
var styles = window.getComputedStyle(el);
var transitioneDelays = styles[transitionProp + 'Delay'].split(', ');
var transitionDurations = styles[transitionProp + 'Duration'].split(', ');
var transitionTimeout = getTimeout(transitioneDelays, transitionDurations);
var animationDelays = styles[animationProp + 'Delay'].split(', ');
var animationDurations = styles[animationProp + 'Duration'].split(', ');
var animationTimeout = getTimeout(animationDelays, animationDurations);
var type;
var timeout = 0;
var propCount = 0;
/* istanbul ignore if */
if (expectedType === TRANSITION) {
if (transitionTimeout > 0) {
type = TRANSITION;
timeout = transitionTimeout;
propCount = transitionDurations.length;
}
} else if (expectedType === ANIMATION) {
if (animationTimeout > 0) {
type = ANIMATION;
timeout = animationTimeout;
propCount = animationDurations.length;
}
} else {
timeout = Math.max(transitionTimeout, animationTimeout);
type = timeout > 0
? transitionTimeout > animationTimeout
? TRANSITION
: ANIMATION
: null;
propCount = type
? type === TRANSITION
? transitionDurations.length
: animationDurations.length
: 0;
}
var hasTransform =
type === TRANSITION &&
transformRE.test(styles[transitionProp + 'Property']);
return {
type: type,
timeout: timeout,
propCount: propCount,
hasTransform: hasTransform
}
}
function getTimeout (delays, durations) {
/* istanbul ignore next */
while (delays.length < durations.length) {
delays = delays.concat(delays);
}
return Math.max.apply(null, durations.map(function (d, i) {
return toMs(d) + toMs(delays[i])
}))
}
function toMs (s) {
return Number(s.slice(0, -1)) * 1000
}
/* */
function enter (vnode) {
var el = vnode.elm;
// call leave callback now
if (el._leaveCb) {
el._leaveCb.cancelled = true;
el._leaveCb();
}
var data = resolveTransition(vnode.data.transition);
if (!data) {
return
}
/* istanbul ignore if */
if (el._enterCb || el.nodeType !== 1) {
return
}
var css = data.css;
var type = data.type;
var enterClass = data.enterClass;
var enterActiveClass = data.enterActiveClass;
var appearClass = data.appearClass;
var appearActiveClass = data.appearActiveClass;
var beforeEnter = data.beforeEnter;
var enter = data.enter;
var afterEnter = data.afterEnter;
var enterCancelled = data.enterCancelled;
var beforeAppear = data.beforeAppear;
var appear = data.appear;
var afterAppear = data.afterAppear;
var appearCancelled = data.appearCancelled;
// activeInstance will always be the <transition> component managing this
// transition. One edge case to check is when the <transition> is placed
// as the root node of a child component. In that case we need to check
// <transition>'s parent for appear check.
var context = activeInstance;
var transitionNode = activeInstance.$vnode;
while (transitionNode && transitionNode.parent) {
transitionNode = transitionNode.parent;
context = transitionNode.context;
}
var isAppear = !context._isMounted || !vnode.isRootInsert;
if (isAppear && !appear && appear !== '') {
return
}
var startClass = isAppear ? appearClass : enterClass;
var activeClass = isAppear ? appearActiveClass : enterActiveClass;
var beforeEnterHook = isAppear ? (beforeAppear || beforeEnter) : beforeEnter;
var enterHook = isAppear ? (typeof appear === 'function' ? appear : enter) : enter;
var afterEnterHook = isAppear ? (afterAppear || afterEnter) : afterEnter;
var enterCancelledHook = isAppear ? (appearCancelled || enterCancelled) : enterCancelled;
var expectsCSS = css !== false && !isIE9;
var userWantsControl =
enterHook &&
// enterHook may be a bound method which exposes
// the length of original fn as _length
(enterHook._length || 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;
});
if (!vnode.data.show) {
// remove pending leave element on enter by injecting an insert hook
mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), 'insert', function () {
var parent = el.parentNode;
var pendingNode = parent && parent._pending && parent._pending[vnode.key];
if (pendingNode &&
pendingNode.context === vnode.context &&
pendingNode.tag === vnode.tag &&
pendingNode.elm._leaveCb) {
pendingNode.elm._leaveCb();
}
enterHook && enterHook(el, cb);
}, 'transition-insert');
}
// start enter transition
beforeEnterHook && beforeEnterHook(el);
if (expectsCSS) {
addTransitionClass(el, startClass);
addTransitionClass(el, activeClass);
nextFrame(function () {
removeTransitionClass(el, startClass);
if (!cb.cancelled && !userWantsControl) {
whenTransitionEnds(el, type, cb);
}
});
}
if (vnode.data.show) {
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 = resolveTransition(vnode.data.transition);
if (!data) {
return rm()
}
/* istanbul ignore if */
if (el._leaveCb || el.nodeType !== 1) {
return
}
var css = data.css;
var type = data.type;
var leaveClass = data.leaveClass;
var leaveActiveClass = data.leaveActiveClass;
var beforeLeave = data.beforeLeave;
var leave = data.leave;
var afterLeave = data.afterLeave;
var leaveCancelled = data.leaveCancelled;
var delayLeave = data.delayLeave;
var expectsCSS = css !== false && !isIE9;
var userWantsControl =
leave &&
// leave hook may be a bound method which exposes
// the length of original fn as _length
(leave._length || leave.length) > 1;
var cb = el._leaveCb = once(function () {
if (el.parentNode && el.parentNode._pending) {
el.parentNode._pending[vnode.key] = null;
}
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 () {
// the delayed leave may have already been cancelled
if (cb.cancelled) {
return
}
// record leaving element
if (!vnode.data.show) {
(el.parentNode._pending || (el.parentNode._pending = {}))[vnode.key] = vnode;
}
beforeLeave && beforeLeave(el);
if (expectsCSS) {
addTransitionClass(el, leaveClass);
addTransitionClass(el, leaveActiveClass);
nextFrame(function () {
removeTransitionClass(el, leaveClass);
if (!cb.cancelled && !userWantsControl) {
whenTransitionEnds(el, type, cb);
}
});
}
leave && leave(el, cb);
if (!expectsCSS && !userWantsControl) {
cb();
}
}
}
function resolveTransition (def$$1) {
if (!def$$1) {
return
}
/* istanbul ignore else */
if (typeof def$$1 === 'object') {
var res = {};
if (def$$1.css !== false) {
extend(res, autoCssTransition(def$$1.name || 'v'));
}
extend(res, def$$1);
return res
} else if (typeof def$$1 === 'string') {
return autoCssTransition(def$$1)
}
}
var autoCssTransition = cached(function (name) {
return {
enterClass: (name + "-enter"),
leaveClass: (name + "-leave"),
appearClass: (name + "-enter"),
enterActiveClass: (name + "-enter-active"),
leaveActiveClass: (name + "-leave-active"),
appearActiveClass: (name + "-enter-active")
}
});
function once (fn) {
var called = false;
return function () {
if (!called) {
called = true;
fn();
}
}
}
function _enter (_, vnode) {
if (!vnode.data.show) {
enter(vnode);
}
}
var transition = inBrowser ? {
create: _enter,
activate: _enter,
remove: function remove (vnode, rm) {
/* istanbul ignore else */
if (!vnode.data.show) {
leave(vnode, rm);
} else {
rm();
}
}
} : {};
var platformModules = [
attrs,
klass,
events,
domProps,
style,
transition
];
/* */
// the directive module should be applied last, after all
// built-in modules have been applied.
var modules = platformModules.concat(baseModules);
var patch$1 = createPatchFunction({ nodeOps: nodeOps, modules: modules });
/**
* Not type checking this file because flow doesn't like attaching
* properties to Elements.
*/
var modelableTagRE = /^input|select|textarea|vue-component-[0-9]+(-[0-9a-zA-Z_-]*)?$/;
/* 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 = {
inserted: function inserted (el, binding, vnode) {
if (process.env.NODE_ENV !== 'production') {
if (!modelableTagRE.test(vnode.tag)) {
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') {
var cb = function () {
setSelected(el, binding, vnode.context);
};
cb();
/* istanbul ignore if */
if (isIE || isEdge) {
setTimeout(cb, 0);
}
} else if (
(vnode.tag === 'textarea' || el.type === 'text') &&
!binding.modifiers.lazy
) {
if (!isAndroid) {
el.addEventListener('compositionstart', onCompositionStart);
el.addEventListener('compositionend', onCompositionEnd);
}
/* istanbul ignore if */
if (isIE9) {
el.vmodel = true;
}
}
},
componentUpdated: function componentUpdated (el, binding, vnode) {
if (vnode.tag === 'select') {
setSelected(el, binding, vnode.context);
// in case the options rendered by v-for have changed,
// it's possible that the value is out-of-sync with the rendered options.
// detect such cases and filter out values that no longer has a matching
// option in the DOM.
var needReset = el.multiple
? binding.value.some(function (v) { return hasNoMatchingOption(v, el.options); })
: binding.value !== binding.oldValue && hasNoMatchingOption(binding.value, el.options);
if (needReset) {
trigger(el, 'change');
}
}
}
};
function setSelected (el, binding, vm) {
var value = binding.value;
var isMultiple = el.multiple;
if (isMultiple && !Array.isArray(value)) {
process.env.NODE_ENV !== 'production' && warn(
"<select multiple v-model=\"" + (binding.expression) + "\"> " +
"expects an Array value for its binding, but got " + (Object.prototype.toString.call(value).slice(8, -1)),
vm
);
return
}
var selected, option;
for (var i = 0, l = el.options.length; i < l; i++) {
option = el.options[i];
if (isMultiple) {
selected = looseIndexOf(value, getValue(option)) > -1;
if (option.selected !== selected) {
option.selected = selected;
}
} else {
if (looseEqual(getValue(option), value)) {
if (el.selectedIndex !== i) {
el.selectedIndex = i;
}
return
}
}
}
if (!isMultiple) {
el.selectedIndex = -1;
}
}
function hasNoMatchingOption (value, options) {
for (var i = 0, l = options.length; i < l; i++) {
if (looseEqual(getValue(options[i]), value)) {
return false
}
}
return true
}
function getValue (option) {
return '_value' in option
? option._value
: option.value
}
function onCompositionStart (e) {
e.target.composing = true;
}
function onCompositionEnd (e) {
e.target.composing = false;
trigger(e.target, 'input');
}
function trigger (el, type) {
var e = document.createEvent('HTMLEvents');
e.initEvent(type, true, true);
el.dispatchEvent(e);
}
/* */
// recursively search for possible transition defined inside the component root
function locateNode (vnode) {
return vnode.child && (!vnode.data || !vnode.data.transition)
? locateNode(vnode.child._vnode)
: vnode
}
var show = {
bind: function bind (el, ref, vnode) {
var value = ref.value;
vnode = locateNode(vnode);
var transition = vnode.data && vnode.data.transition;
if (value && transition && !isIE9) {
enter(vnode);
}
var originalDisplay = el.style.display === 'none' ? '' : el.style.display;
el.style.display = value ? originalDisplay : 'none';
el.__vOriginalDisplay = originalDisplay;
},
update: function update (el, ref, vnode) {
var value = ref.value;
var oldValue = ref.oldValue;
/* istanbul ignore if */
if (value === oldValue) { return }
vnode = locateNode(vnode);
var transition = vnode.data && vnode.data.transition;
if (transition && !isIE9) {
if (value) {
enter(vnode);
el.style.display = el.__vOriginalDisplay;
} else {
leave(vnode, function () {
el.style.display = 'none';
});
}
} else {
el.style.display = value ? el.__vOriginalDisplay : 'none';
}
}
};
var platformDirectives = {
model: model,
show: show
};
/* */
// Provides transition support for a single element/component.
// supports transition mode (out-in / in-out)
var transitionProps = {
name: String,
appear: Boolean,
css: Boolean,
mode: String,
type: String,
enterClass: String,
leaveClass: String,
enterActiveClass: String,
leaveActiveClass: String,
appearClass: String,
appearActiveClass: String
};
// in case the child is also an abstract component, e.g. <keep-alive>
// we want to recursively retrieve the real component to be rendered
function getRealChild (vnode) {
var compOptions = vnode && vnode.componentOptions;
if (compOptions && compOptions.Ctor.options.abstract) {
return getRealChild(getFirstComponentChild(compOptions.children))
} else {
return vnode
}
}
function extractTransitionData (comp) {
var data = {};
var options = comp.$options;
// props
for (var key in options.propsData) {
data[key] = comp[key];
}
// events.
// extract listeners and pass them directly to the transition methods
var listeners = options._parentListeners;
for (var key$1 in listeners) {
data[camelize(key$1)] = listeners[key$1].fn;
}
return data
}
function placeholder (h, rawChild) {
return /\d-keep-alive$/.test(rawChild.tag)
? h('keep-alive')
: null
}
function hasParentTransition (vnode) {
while ((vnode = vnode.parent)) {
if (vnode.data.transition) {
return true
}
}
}
var Transition = {
name: 'transition',
props: transitionProps,
abstract: true,
render: function render (h) {
var this$1 = this;
var children = this.$slots.default;
if (!children) {
return
}
// filter out text nodes (possible whitespaces)
children = children.filter(function (c) { return c.tag; });
/* istanbul ignore if */
if (!children.length) {
return
}
// warn multiple elements
if (process.env.NODE_ENV !== 'production' && children.length > 1) {
warn(
'<transition> can only be used on a single element. Use ' +
'<transition-group> for lists.',
this.$parent
);
}
var mode = this.mode;
// warn invalid mode
if (process.env.NODE_ENV !== 'production' &&
mode && mode !== 'in-out' && mode !== 'out-in') {
warn(
'invalid <transition> mode: ' + mode,
this.$parent
);
}
var rawChild = children[0];
// if this is a component root node and the component's
// parent container node also has transition, skip.
if (hasParentTransition(this.$vnode)) {
return rawChild
}
// apply transition data to child
// use getRealChild() to ignore abstract components e.g. keep-alive
var child = getRealChild(rawChild);
/* istanbul ignore if */
if (!child) {
return rawChild
}
if (this._leaving) {
return placeholder(h, rawChild)
}
var key = child.key = child.key == null || child.isStatic
? ("__v" + (child.tag + this._uid) + "__")
: child.key;
var data = (child.data || (child.data = {})).transition = extractTransitionData(this);
var oldRawChild = this._vnode;
var oldChild = getRealChild(oldRawChild);
// mark v-show
// so that the transition module can hand over the control to the directive
if (child.data.directives && child.data.directives.some(function (d) { return d.name === 'show'; })) {
child.data.show = true;
}
if (oldChild && oldChild.data && oldChild.key !== key) {
// replace old child transition data with fresh one
// important for dynamic transitions!
var oldData = oldChild.data.transition = extend({}, data);
// handle transition mode
if (mode === 'out-in') {
// return placeholder node and queue update when leave finishes
this._leaving = true;
mergeVNodeHook(oldData, 'afterLeave', function () {
this$1._leaving = false;
this$1.$forceUpdate();
}, key);
return placeholder(h, rawChild)
} else if (mode === 'in-out') {
var delayedLeave;
var performLeave = function () { delayedLeave(); };
mergeVNodeHook(data, 'afterEnter', performLeave, key);
mergeVNodeHook(data, 'enterCancelled', performLeave, key);
mergeVNodeHook(oldData, 'delayLeave', function (leave) {
delayedLeave = leave;
}, key);
}
}
return rawChild
}
};
/* */
// Provides transition support for list items.
// supports move transitions using the FLIP technique.
// Because the vdom's children update algorithm is "unstable" - i.e.
// it doesn't guarantee the relative positioning of removed elements,
// we force transition-group to update its children into two passes:
// in the first pass, we remove all nodes that need to be removed,
// triggering their leaving transition; in the second pass, we insert/move
// into the final disired state. This way in the second pass removed
// nodes will remain where they should be.
var props = extend({
tag: String,
moveClass: String
}, transitionProps);
delete props.mode;
var TransitionGroup = {
props: props,
render: function render (h) {
var tag = this.tag || this.$vnode.data.tag || 'span';
var map = Object.create(null);
var prevChildren = this.prevChildren = this.children;
var rawChildren = this.$slots.default || [];
var children = this.children = [];
var transitionData = extractTransitionData(this);
for (var i = 0; i < rawChildren.length; i++) {
var c = rawChildren[i];
if (c.tag) {
if (c.key != null && String(c.key).indexOf('__vlist') !== 0) {
children.push(c);
map[c.key] = c
;(c.data || (c.data = {})).transition = transitionData;
} else if (process.env.NODE_ENV !== 'production') {
var opts = c.componentOptions;
var name = opts
? (opts.Ctor.options.name || opts.tag)
: c.tag;
warn(("<transition-group> children must be keyed: <" + name + ">"));
}
}
}
if (prevChildren) {
var kept = [];
var removed = [];
for (var i$1 = 0; i$1 < prevChildren.length; i$1++) {
var c$1 = prevChildren[i$1];
c$1.data.transition = transitionData;
c$1.data.pos = c$1.elm.getBoundingClientRect();
if (map[c$1.key]) {
kept.push(c$1);
} else {
removed.push(c$1);
}
}
this.kept = h(tag, null, kept);
this.removed = removed;
}
return h(tag, null, children)
},
beforeUpdate: function beforeUpdate () {
// force removing pass
this.__patch__(
this._vnode,
this.kept,
false, // hydrating
true // removeOnly (!important, avoids unnecessary moves)
);
this._vnode = this.kept;
},
updated: function updated () {
var children = this.prevChildren;
var moveClass = this.moveClass || ((this.name || 'v') + '-move');
if (!children.length || !this.hasMove(children[0].elm, moveClass)) {
return
}
// we divide the work into three loops to avoid mixing DOM reads and writes
// in each iteration - which helps prevent layout thrashing.
children.forEach(callPendingCbs);
children.forEach(recordPosition);
children.forEach(applyTranslation);
// force reflow to put everything in position
var f = document.body.offsetHeight; // eslint-disable-line
children.forEach(function (c) {
if (c.data.moved) {
var el = c.elm;
var s = el.style;
addTransitionClass(el, moveClass);
s.transform = s.WebkitTransform = s.transitionDuration = '';
el.addEventListener(transitionEndEvent, el._moveCb = function cb (e) {
if (!e || /transform$/.test(e.propertyName)) {
el.removeEventListener(transitionEndEvent, cb);
el._moveCb = null;
removeTransitionClass(el, moveClass);
}
});
}
});
},
methods: {
hasMove: function hasMove (el, moveClass) {
/* istanbul ignore if */
if (!hasTransition) {
return false
}
if (this._hasMove != null) {
return this._hasMove
}
addTransitionClass(el, moveClass);
var info = getTransitionInfo(el);
removeTransitionClass(el, moveClass);
return (this._hasMove = info.hasTransform)
}
}
};
function callPendingCbs (c) {
/* istanbul ignore if */
if (c.elm._moveCb) {
c.elm._moveCb();
}
/* istanbul ignore if */
if (c.elm._enterCb) {
c.elm._enterCb();
}
}
function recordPosition (c) {
c.data.newPos = c.elm.getBoundingClientRect();
}
function applyTranslation (c) {
var oldPos = c.data.pos;
var newPos = c.data.newPos;
var dx = oldPos.left - newPos.left;
var dy = oldPos.top - newPos.top;
if (dx || dy) {
c.data.moved = true;
var s = c.elm.style;
s.transform = s.WebkitTransform = "translate(" + dx + "px," + dy + "px)";
s.transitionDuration = '0s';
}
}
var platformComponents = {
Transition: Transition,
TransitionGroup: TransitionGroup
};
/* */
// install platform specific utils
Vue$2.config.isUnknownElement = isUnknownElement;
Vue$2.config.isReservedTag = isReservedTag;
Vue$2.config.getTagNamespace = getTagNamespace;
Vue$2.config.mustUseProp = mustUseProp;
// install platform runtime directives & components
extend(Vue$2.options.directives, platformDirectives);
extend(Vue$2.options.components, platformComponents);
// install platform patch function
Vue$2.prototype.__patch__ = inBrowser ? patch$1 : noop;
// wrap mount
Vue$2.prototype.$mount = function (
el,
hydrating
) {
el = el && inBrowser ? query(el) : undefined;
return this._mount(el, hydrating)
};
// devtools global hook
/* istanbul ignore next */
setTimeout(function () {
if (config.devtools) {
if (devtools) {
devtools.emit('init', Vue$2);
} else if (
process.env.NODE_ENV !== 'production' &&
inBrowser && /Chrome\/\d+/.test(window.navigator.userAgent)
) {
console.log(
'Download the Vue Devtools for a better development experience:\n' +
'https://github.com/vuejs/vue-devtools'
);
}
}
}, 0);
module.exports = Vue$2;
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