Template:CPU CHINA/VueJS
/*!
* Vue.js v2.5.17 * (c) 2014-2018 Evan You * Released under the MIT License. */
(function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : typeof define === 'function' && define.amd ? define(factory) : (global.Vue = factory()); }(this, (function () { 'use strict';
/* */
var emptyObject = Object.freeze({});
// these helpers produces better vm code in JS engines due to their // explicitness and function inlining function isUndef (v) {
return v === undefined || v === null
}
function isDef (v) {
return v !== undefined && v !== null
}
function isTrue (v) {
return v === true
}
function isFalse (v) {
return v === false
}
/**
* Check if value is primitive */
function isPrimitive (value) {
return ( typeof value === 'string' || typeof value === 'number' || // $flow-disable-line typeof value === 'symbol' || typeof value === 'boolean' )
}
/**
* 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'
}
/**
* Get the raw type string of a value e.g. [object Object] */
var _toString = Object.prototype.toString;
function toRawType (value) {
return _toString.call(value).slice(8, -1)
}
/**
* Strict object type check. Only returns true * for plain JavaScript objects. */
function isPlainObject (obj) {
return _toString.call(obj) === '[object Object]'
}
function isRegExp (v) {
return _toString.call(v) === '[object RegExp]'
}
/**
* Check if val is a valid array index. */
function isValidArrayIndex (val) {
var n = parseFloat(String(val)); return n >= 0 && Math.floor(n) === n && isFinite(val)
}
/**
* Convert a value to a string that is actually rendered. */
function toString (val) {
return val == null
?
: typeof val === 'object'
? JSON.stringify(val, null, 2)
: String(val)
}
/**
* Convert a input value to a number for persistence. * If the conversion fails, return original string. */
function toNumber (val) {
var n = parseFloat(val); return isNaN(n) ? val : n
}
/**
* Make a map and return a function for checking if a key * is in that map. */
function makeMap (
str, expectsLowerCase
) {
var map = Object.create(null);
var list = str.split(',');
for (var i = 0; i < list.length; i++) {
map[list[i]] = true;
}
return expectsLowerCase
? function (val) { return map[val.toLowerCase()]; }
: function (val) { return map[val]; }
}
/**
* Check if a tag is a built-in tag. */
var isBuiltInTag = makeMap('slot,component', true);
/**
* Check if a attribute is a reserved attribute. */
var isReservedAttribute = makeMap('key,ref,slot,slot-scope,is');
/**
* Remove an item from an array */
function remove (arr, item) {
if (arr.length) {
var index = arr.indexOf(item);
if (index > -1) {
return arr.splice(index, 1)
}
}
}
/**
* Check whether the object has the property. */
var hasOwnProperty = Object.prototype.hasOwnProperty; function hasOwn (obj, key) {
return hasOwnProperty.call(obj, key)
}
/**
* Create a cached version of a pure function. */
function cached (fn) {
var cache = Object.create(null);
return (function cachedFn (str) {
var hit = cache[str];
return hit || (cache[str] = fn(str))
})
}
/**
* Camelize a hyphen-delimited string. */
var camelizeRE = /-(\w)/g; var camelize = cached(function (str) {
return str.replace(camelizeRE, function (_, c) { return c ? c.toUpperCase() : ; })
});
/**
* Capitalize a string. */
var capitalize = cached(function (str) {
return str.charAt(0).toUpperCase() + str.slice(1)
});
/**
* Hyphenate a camelCase string. */
var hyphenateRE = /\B([A-Z])/g; var hyphenate = cached(function (str) {
return str.replace(hyphenateRE, '-$1').toLowerCase()
});
/**
* Simple bind polyfill for environments that do not support it... e.g. * PhantomJS 1.x. Technically we don't need this anymore since native bind is * now more performant in most browsers, but removing it would be breaking for * code that was able to run in PhantomJS 1.x, so this must be kept for * backwards compatibility. */
/* istanbul ignore next */ function polyfillBind (fn, ctx) {
function boundFn (a) {
var l = arguments.length;
return l
? l > 1
? fn.apply(ctx, arguments)
: fn.call(ctx, a)
: fn.call(ctx)
}
boundFn._length = fn.length; return boundFn
}
function nativeBind (fn, ctx) {
return fn.bind(ctx)
}
var bind = Function.prototype.bind
? nativeBind : polyfillBind;
/**
* Convert an Array-like object to a real Array. */
function toArray (list, start) {
start = start || 0;
var i = list.length - start;
var ret = new Array(i);
while (i--) {
ret[i] = list[i + start];
}
return ret
}
/**
* Mix properties into target object. */
function extend (to, _from) {
for (var key in _from) {
to[key] = _from[key];
}
return to
}
/**
* Merge an Array of Objects into a single Object. */
function toObject (arr) {
var res = {};
for (var i = 0; i < arr.length; i++) {
if (arr[i]) {
extend(res, arr[i]);
}
}
return res
}
/**
* Perform no operation. * Stubbing args to make Flow happy without leaving useless transpiled code * with ...rest (https://flow.org/blog/2017/05/07/Strict-Function-Call-Arity/) */
function noop (a, b, c) {}
/**
* Always return false. */
var no = function (a, b, c) { return false; };
/**
* Return same value */
var identity = function (_) { return _; };
/**
* Generate a static keys string from compiler modules. */
function genStaticKeys (modules) {
return modules.reduce(function (keys, m) {
return keys.concat(m.staticKeys || [])
}, []).join(',')
}
/**
* Check if two values are loosely equal - that is, * if they are plain objects, do they have the same shape? */
function looseEqual (a, b) {
if (a === b) { return true }
var isObjectA = isObject(a);
var isObjectB = isObject(b);
if (isObjectA && isObjectB) {
try {
var isArrayA = Array.isArray(a);
var isArrayB = Array.isArray(b);
if (isArrayA && isArrayB) {
return a.length === b.length && a.every(function (e, i) {
return looseEqual(e, b[i])
})
} else if (!isArrayA && !isArrayB) {
var keysA = Object.keys(a);
var keysB = Object.keys(b);
return keysA.length === keysB.length && keysA.every(function (key) {
return looseEqual(a[key], b[key])
})
} else {
/* istanbul ignore next */
return false
}
} catch (e) {
/* istanbul ignore next */
return false
}
} else if (!isObjectA && !isObjectB) {
return String(a) === String(b)
} else {
return false
}
}
function looseIndexOf (arr, val) {
for (var i = 0; i < arr.length; i++) {
if (looseEqual(arr[i], val)) { return i }
}
return -1
}
/**
* Ensure a function is called only once. */
function once (fn) {
var called = false;
return function () {
if (!called) {
called = true;
fn.apply(this, arguments);
}
}
}
var SSR_ATTR = 'data-server-rendered';
var ASSET_TYPES = [
'component', 'directive', 'filter'
];
var LIFECYCLE_HOOKS = [
'beforeCreate', 'created', 'beforeMount', 'mounted', 'beforeUpdate', 'updated', 'beforeDestroy', 'destroyed', 'activated', 'deactivated', 'errorCaptured'
];
/* */
var config = ({
/** * Option merge strategies (used in core/util/options) */ // $flow-disable-line optionMergeStrategies: Object.create(null),
/** * Whether to suppress warnings. */ silent: false,
/** * Show production mode tip message on boot? */ productionTip: "development" !== 'production',
/** * Whether to enable devtools */ devtools: "development" !== 'production',
/** * Whether to record perf */ performance: false,
/** * Error handler for watcher errors */ errorHandler: null,
/** * Warn handler for watcher warns */ warnHandler: null,
/** * Ignore certain custom elements */ ignoredElements: [],
/** * Custom user key aliases for v-on */ // $flow-disable-line keyCodes: Object.create(null),
/** * Check if a tag is reserved so that it cannot be registered as a * component. This is platform-dependent and may be overwritten. */ isReservedTag: no,
/** * Check if an attribute is reserved so that it cannot be used as a component * prop. This is platform-dependent and may be overwritten. */ isReservedAttr: no,
/** * Check if a tag is an unknown element. * Platform-dependent. */ isUnknownElement: no,
/** * Get the namespace of an element */ getTagNamespace: noop,
/** * Parse the real tag name for the specific platform. */ parsePlatformTagName: identity,
/** * Check if an attribute must be bound using property, e.g. value * Platform-dependent. */ mustUseProp: no,
/** * Exposed for legacy reasons */ _lifecycleHooks: LIFECYCLE_HOOKS
})
/* */
/**
* Check if a string starts with $ or _ */
function isReserved (str) {
var c = (str + ).charCodeAt(0); return c === 0x24 || c === 0x5F
}
/**
* Define a property. */
function def (obj, key, val, enumerable) {
Object.defineProperty(obj, key, {
value: val,
enumerable: !!enumerable,
writable: true,
configurable: true
});
}
/**
* Parse simple path. */
var bailRE = /[^\w.$]/; function parsePath (path) {
if (bailRE.test(path)) {
return
}
var segments = path.split('.');
return function (obj) {
for (var i = 0; i < segments.length; i++) {
if (!obj) { return }
obj = obj[segments[i]];
}
return obj
}
}
/* */
// can we use __proto__? var hasProto = '__proto__' in {};
// Browser environment sniffing var inBrowser = typeof window !== 'undefined'; var inWeex = typeof WXEnvironment !== 'undefined' && !!WXEnvironment.platform; var weexPlatform = inWeex && WXEnvironment.platform.toLowerCase(); var UA = inBrowser && window.navigator.userAgent.toLowerCase(); var isIE = UA && /msie|trident/.test(UA); var isIE9 = UA && UA.indexOf('msie 9.0') > 0; var isEdge = UA && UA.indexOf('edge/') > 0; var isAndroid = (UA && UA.indexOf('android') > 0) || (weexPlatform === 'android'); var isIOS = (UA && /iphone|ipad|ipod|ios/.test(UA)) || (weexPlatform === 'ios'); var isChrome = UA && /chrome\/\d+/.test(UA) && !isEdge;
// Firefox has a "watch" function on Object.prototype... var nativeWatch = ({}).watch;
var supportsPassive = false; if (inBrowser) {
try {
var opts = {};
Object.defineProperty(opts, 'passive', ({
get: function get () {
/* istanbul ignore next */
supportsPassive = true;
}
})); // https://github.com/facebook/flow/issues/285
window.addEventListener('test-passive', null, opts);
} catch (e) {}
}
// this needs to be lazy-evaled because vue may be required before // vue-server-renderer can set VUE_ENV var _isServer; var isServerRendering = function () {
if (_isServer === undefined) {
/* istanbul ignore if */
if (!inBrowser && !inWeex && typeof global !== 'undefined') {
// detect presence of vue-server-renderer and avoid
// Webpack shimming the process
_isServer = global['process'].env.VUE_ENV === 'server';
} else {
_isServer = false;
}
}
return _isServer
};
// detect devtools var devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__;
/* istanbul ignore next */ function isNative (Ctor) {
return typeof Ctor === 'function' && /native code/.test(Ctor.toString())
}
var hasSymbol =
typeof Symbol !== 'undefined' && isNative(Symbol) && typeof Reflect !== 'undefined' && isNative(Reflect.ownKeys);
var _Set; /* istanbul ignore if */ // $flow-disable-line if (typeof Set !== 'undefined' && isNative(Set)) {
// use native Set when available. _Set = Set;
} else {
// a non-standard Set polyfill that only works with primitive keys.
_Set = (function () {
function Set () {
this.set = Object.create(null);
}
Set.prototype.has = function has (key) {
return this.set[key] === true
};
Set.prototype.add = function add (key) {
this.set[key] = true;
};
Set.prototype.clear = function clear () {
this.set = Object.create(null);
};
return Set; }());
}
/* */
var warn = noop; var tip = noop; var generateComponentTrace = (noop); // work around flow check var formatComponentName = (noop);
{
var hasConsole = typeof console !== 'undefined';
var classifyRE = /(?:^|[-_])(\w)/g;
var classify = function (str) { return str
.replace(classifyRE, function (c) { return c.toUpperCase(); })
.replace(/[-_]/g, ); };
warn = function (msg, vm) {
var trace = vm ? generateComponentTrace(vm) : ;
if (config.warnHandler) {
config.warnHandler.call(null, msg, vm, trace);
} else if (hasConsole && (!config.silent)) {
console.error(("[Vue warn]: " + msg + trace));
}
};
tip = function (msg, vm) {
if (hasConsole && (!config.silent)) {
console.warn("[Vue tip]: " + msg + (
vm ? generateComponentTrace(vm) :
));
}
};
formatComponentName = function (vm, includeFile) {
if (vm.$root === vm) {
return '<Root>'
}
var options = typeof vm === 'function' && vm.cid != null
? vm.options
: vm._isVue
? vm.$options || vm.constructor.options
: vm || {};
var name = options.name || options._componentTag;
var file = options.__file;
if (!name && file) {
var match = file.match(/([^/\\]+)\.vue$/);
name = match && match[1];
}
return (
(name ? ("<" + (classify(name)) + ">") : "<Anonymous>") +
(file && includeFile !== false ? (" at " + file) : )
)
};
var repeat = function (str, n) {
var res = ;
while (n) {
if (n % 2 === 1) { res += str; }
if (n > 1) { str += str; }
n >>= 1;
}
return res
};
generateComponentTrace = function (vm) {
if (vm._isVue && vm.$parent) {
var tree = [];
var currentRecursiveSequence = 0;
while (vm) {
if (tree.length > 0) {
var last = tree[tree.length - 1];
if (last.constructor === vm.constructor) {
currentRecursiveSequence++;
vm = vm.$parent;
continue
} else if (currentRecursiveSequence > 0) {
tree[tree.length - 1] = [last, currentRecursiveSequence];
currentRecursiveSequence = 0;
}
}
tree.push(vm);
vm = vm.$parent;
}
return '\n\nfound in\n\n' + tree
.map(function (vm, i) { return ("" + (i === 0 ? '---> ' : repeat(' ', 5 + i * 2)) + (Array.isArray(vm)
? ((formatComponentName(vm[0])) + "... (" + (vm[1]) + " recursive calls)")
: formatComponentName(vm))); })
.join('\n')
} else {
return ("\n\n(found in " + (formatComponentName(vm)) + ")")
}
};
}
/* */
var uid = 0;
/**
* A dep is an observable that can have multiple * directives subscribing to it. */
var Dep = function Dep () {
this.id = uid++; this.subs = [];
};
Dep.prototype.addSub = function addSub (sub) {
this.subs.push(sub);
};
Dep.prototype.removeSub = function removeSub (sub) {
remove(this.subs, sub);
};
Dep.prototype.depend = function depend () {
if (Dep.target) {
Dep.target.addDep(this);
}
};
Dep.prototype.notify = function notify () {
// stabilize the subscriber list first
var subs = this.subs.slice();
for (var i = 0, l = subs.length; i < l; i++) {
subs[i].update();
}
};
// the current target watcher being evaluated. // this is globally unique because there could be only one // watcher being evaluated at any time. Dep.target = null; var targetStack = [];
function pushTarget (_target) {
if (Dep.target) { targetStack.push(Dep.target); }
Dep.target = _target;
}
function popTarget () {
Dep.target = targetStack.pop();
}
/* */
var VNode = function VNode (
tag, data, children, text, elm, context, componentOptions, asyncFactory
) {
this.tag = tag; this.data = data; this.children = children; this.text = text; this.elm = elm; this.ns = undefined; this.context = context; this.fnContext = undefined; this.fnOptions = undefined; this.fnScopeId = undefined; this.key = data && data.key; this.componentOptions = componentOptions; this.componentInstance = undefined; this.parent = undefined; this.raw = false; this.isStatic = false; this.isRootInsert = true; this.isComment = false; this.isCloned = false; this.isOnce = false; this.asyncFactory = asyncFactory; this.asyncMeta = undefined; this.isAsyncPlaceholder = false;
};
var prototypeAccessors = { child: { configurable: true } };
// DEPRECATED: alias for componentInstance for backwards compat. /* istanbul ignore next */ prototypeAccessors.child.get = function () {
return this.componentInstance
};
Object.defineProperties( VNode.prototype, prototypeAccessors );
var createEmptyVNode = function (text) {
if ( text === void 0 ) text = ;
var node = new VNode(); node.text = text; node.isComment = true; return node
};
function createTextVNode (val) {
return new VNode(undefined, undefined, undefined, String(val))
}
// optimized shallow clone // used for static nodes and slot nodes because they may be reused across // multiple renders, cloning them avoids errors when DOM manipulations rely // on their elm reference. function cloneVNode (vnode) {
var cloned = new VNode( vnode.tag, vnode.data, vnode.children, vnode.text, vnode.elm, vnode.context, vnode.componentOptions, vnode.asyncFactory ); cloned.ns = vnode.ns; cloned.isStatic = vnode.isStatic; cloned.key = vnode.key; cloned.isComment = vnode.isComment; cloned.fnContext = vnode.fnContext; cloned.fnOptions = vnode.fnOptions; cloned.fnScopeId = vnode.fnScopeId; cloned.isCloned = true; return cloned
}
/*
* not type checking this file because flow doesn't play well with * dynamically accessing methods on Array prototype */
var arrayProto = Array.prototype; var arrayMethods = Object.create(arrayProto);
var methodsToPatch = [
'push', 'pop', 'shift', 'unshift', 'splice', 'sort', 'reverse'
];
/**
* Intercept mutating methods and emit events */
methodsToPatch.forEach(function (method) {
// cache original method
var original = arrayProto[method];
def(arrayMethods, method, function mutator () {
var args = [], len = arguments.length;
while ( len-- ) args[ len ] = arguments[ len ];
var result = original.apply(this, args);
var ob = this.__ob__;
var inserted;
switch (method) {
case 'push':
case 'unshift':
inserted = args;
break
case 'splice':
inserted = args.slice(2);
break
}
if (inserted) { ob.observeArray(inserted); }
// notify change
ob.dep.notify();
return result
});
});
/* */
var arrayKeys = Object.getOwnPropertyNames(arrayMethods);
/**
* In some cases we may want to disable observation inside a component's * update computation. */
var shouldObserve = true;
function toggleObserving (value) {
shouldObserve = value;
}
/**
* Observer class that is attached to each observed * object. Once attached, the observer converts the target * object's property keys into getter/setters that * collect dependencies and dispatch updates. */
var Observer = function Observer (value) {
this.value = value;
this.dep = new Dep();
this.vmCount = 0;
def(value, '__ob__', this);
if (Array.isArray(value)) {
var augment = hasProto
? protoAugment
: copyAugment;
augment(value, arrayMethods, arrayKeys);
this.observeArray(value);
} else {
this.walk(value);
}
};
/**
* Walk through each property and convert them into * getter/setters. This method should only be called when * value type is Object. */
Observer.prototype.walk = function walk (obj) {
var keys = Object.keys(obj);
for (var i = 0; i < keys.length; i++) {
defineReactive(obj, keys[i]);
}
};
/**
* Observe a list of Array items. */
Observer.prototype.observeArray = function observeArray (items) {
for (var i = 0, l = items.length; i < l; i++) {
observe(items[i]);
}
};
// helpers
/**
* Augment an target Object or Array by intercepting * the prototype chain using __proto__ */
function protoAugment (target, src, keys) {
/* eslint-disable no-proto */ target.__proto__ = src; /* eslint-enable no-proto */
}
/**
* Augment an target Object or Array by defining * hidden properties. */
/* istanbul ignore next */ function copyAugment (target, src, keys) {
for (var i = 0, l = keys.length; i < l; i++) {
var key = keys[i];
def(target, key, src[key]);
}
}
/**
* Attempt to create an observer instance for a value, * returns the new observer if successfully observed, * or the existing observer if the value already has one. */
function observe (value, asRootData) {
if (!isObject(value) || value instanceof VNode) {
return
}
var ob;
if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {
ob = value.__ob__;
} else if (
shouldObserve &&
!isServerRendering() &&
(Array.isArray(value) || isPlainObject(value)) &&
Object.isExtensible(value) &&
!value._isVue
) {
ob = new Observer(value);
}
if (asRootData && ob) {
ob.vmCount++;
}
return ob
}
/**
* Define a reactive property on an Object. */
function defineReactive (
obj, key, val, customSetter, shallow
) {
var dep = new Dep();
var property = Object.getOwnPropertyDescriptor(obj, key);
if (property && property.configurable === false) {
return
}
// cater for pre-defined getter/setters
var getter = property && property.get;
if (!getter && arguments.length === 2) {
val = obj[key];
}
var setter = property && property.set;
var childOb = !shallow && observe(val);
Object.defineProperty(obj, key, {
enumerable: true,
configurable: true,
get: function reactiveGetter () {
var value = getter ? getter.call(obj) : val;
if (Dep.target) {
dep.depend();
if (childOb) {
childOb.dep.depend();
if (Array.isArray(value)) {
dependArray(value);
}
}
}
return value
},
set: function reactiveSetter (newVal) {
var value = getter ? getter.call(obj) : val;
/* eslint-disable no-self-compare */
if (newVal === value || (newVal !== newVal && value !== value)) {
return
}
/* eslint-enable no-self-compare */
if ("development" !== 'production' && customSetter) {
customSetter();
}
if (setter) {
setter.call(obj, newVal);
} else {
val = newVal;
}
childOb = !shallow && observe(newVal);
dep.notify();
}
});
}
/**
* Set a property on an object. Adds the new property and * triggers change notification if the property doesn't * already exist. */
function set (target, key, val) {
if ("development" !== 'production' &&
(isUndef(target) || isPrimitive(target))
) {
warn(("Cannot set reactive property on undefined, null, or primitive value: " + ((target))));
}
if (Array.isArray(target) && isValidArrayIndex(key)) {
target.length = Math.max(target.length, key);
target.splice(key, 1, val);
return val
}
if (key in target && !(key in Object.prototype)) {
target[key] = val;
return val
}
var ob = (target).__ob__;
if (target._isVue || (ob && ob.vmCount)) {
"development" !== 'production' && warn(
'Avoid adding reactive properties to a Vue instance or its root $data ' +
'at runtime - declare it upfront in the data option.'
);
return val
}
if (!ob) {
target[key] = val;
return val
}
defineReactive(ob.value, key, val);
ob.dep.notify();
return val
}
/**
* Delete a property and trigger change if necessary. */
function del (target, key) {
if ("development" !== 'production' &&
(isUndef(target) || isPrimitive(target))
) {
warn(("Cannot delete reactive property on undefined, null, or primitive value: " + ((target))));
}
if (Array.isArray(target) && isValidArrayIndex(key)) {
target.splice(key, 1);
return
}
var ob = (target).__ob__;
if (target._isVue || (ob && ob.vmCount)) {
"development" !== 'production' && warn(
'Avoid deleting properties on a Vue instance or its root $data ' +
'- just set it to null.'
);
return
}
if (!hasOwn(target, key)) {
return
}
delete target[key];
if (!ob) {
return
}
ob.dep.notify();
}
/**
* Collect dependencies on array elements when the array is touched, since * we cannot intercept array element access like property getters. */
function dependArray (value) {
for (var e = (void 0), i = 0, l = value.length; i < l; i++) {
e = value[i];
e && e.__ob__ && e.__ob__.dep.depend();
if (Array.isArray(e)) {
dependArray(e);
}
}
}
/* */
/**
* Option overwriting strategies are functions that handle * how to merge a parent option value and a child option * value into the final value. */
var strats = config.optionMergeStrategies;
/**
* Options with restrictions */
{
strats.el = strats.propsData = function (parent, child, vm, key) {
if (!vm) {
warn(
"option \"" + key + "\" can only be used during instance " +
'creation with the `new` keyword.'
);
}
return defaultStrat(parent, child)
};
}
/**
* Helper that recursively merges two data objects together. */
function mergeData (to, from) {
if (!from) { return to }
var key, toVal, fromVal;
var keys = Object.keys(from);
for (var i = 0; i < keys.length; i++) {
key = keys[i];
toVal = to[key];
fromVal = from[key];
if (!hasOwn(to, key)) {
set(to, key, fromVal);
} else if (isPlainObject(toVal) && isPlainObject(fromVal)) {
mergeData(toVal, fromVal);
}
}
return to
}
/**
* Data */
function mergeDataOrFn (
parentVal, childVal, vm
) {
if (!vm) {
// in a Vue.extend merge, both should be functions
if (!childVal) {
return parentVal
}
if (!parentVal) {
return childVal
}
// when parentVal & childVal are both present,
// we need to return a function that returns the
// merged result of both functions... no need to
// check if parentVal is a function here because
// it has to be a function to pass previous merges.
return function mergedDataFn () {
return mergeData(
typeof childVal === 'function' ? childVal.call(this, this) : childVal,
typeof parentVal === 'function' ? parentVal.call(this, this) : parentVal
)
}
} else {
return function mergedInstanceDataFn () {
// instance merge
var instanceData = typeof childVal === 'function'
? childVal.call(vm, vm)
: childVal;
var defaultData = typeof parentVal === 'function'
? parentVal.call(vm, vm)
: parentVal;
if (instanceData) {
return mergeData(instanceData, defaultData)
} else {
return defaultData
}
}
}
}
strats.data = function (
parentVal, childVal, vm
) {
if (!vm) {
if (childVal && typeof childVal !== 'function') {
"development" !== 'production' && warn(
'The "data" option should be a function ' +
'that returns a per-instance value in component ' +
'definitions.',
vm
);
return parentVal } return mergeDataOrFn(parentVal, childVal) }
return mergeDataOrFn(parentVal, childVal, vm)
};
/**
* Hooks and props are merged as arrays. */
function mergeHook (
parentVal, childVal
) {
return childVal
? parentVal
? parentVal.concat(childVal)
: Array.isArray(childVal)
? childVal
: [childVal]
: parentVal
}
LIFECYCLE_HOOKS.forEach(function (hook) {
strats[hook] = mergeHook;
});
/**
* Assets * * When a vm is present (instance creation), we need to do * a three-way merge between constructor options, instance * options and parent options. */
function mergeAssets (
parentVal, childVal, vm, key
) {
var res = Object.create(parentVal || null);
if (childVal) {
"development" !== 'production' && assertObjectType(key, childVal, vm);
return extend(res, childVal)
} else {
return res
}
}
ASSET_TYPES.forEach(function (type) {
strats[type + 's'] = mergeAssets;
});
/**
* Watchers. * * Watchers hashes should not overwrite one * another, so we merge them as arrays. */
strats.watch = function (
parentVal, childVal, vm, key
) {
// work around Firefox's Object.prototype.watch...
if (parentVal === nativeWatch) { parentVal = undefined; }
if (childVal === nativeWatch) { childVal = undefined; }
/* istanbul ignore if */
if (!childVal) { return Object.create(parentVal || null) }
{
assertObjectType(key, childVal, vm);
}
if (!parentVal) { return childVal }
var ret = {};
extend(ret, parentVal);
for (var key$1 in childVal) {
var parent = ret[key$1];
var child = childVal[key$1];
if (parent && !Array.isArray(parent)) {
parent = [parent];
}
ret[key$1] = parent
? parent.concat(child)
: Array.isArray(child) ? child : [child];
}
return ret
};
/**
* Other object hashes. */
strats.props = strats.methods = strats.inject = strats.computed = function (
parentVal, childVal, vm, key
) {
if (childVal && "development" !== 'production') {
assertObjectType(key, childVal, vm);
}
if (!parentVal) { return childVal }
var ret = Object.create(null);
extend(ret, parentVal);
if (childVal) { extend(ret, childVal); }
return ret
}; strats.provide = mergeDataOrFn;
/**
* Default strategy. */
var defaultStrat = function (parentVal, childVal) {
return childVal === undefined ? parentVal : childVal
};
/**
* Validate component names */
function checkComponents (options) {
for (var key in options.components) {
validateComponentName(key);
}
}
function validateComponentName (name) {
if (!/^[a-zA-Z][\w-]*$/.test(name)) {
warn(
'Invalid component name: "' + name + '". Component names ' +
'can only contain alphanumeric characters and the hyphen, ' +
'and must start with a letter.'
);
}
if (isBuiltInTag(name) || config.isReservedTag(name)) {
warn(
'Do not use built-in or reserved HTML elements as component ' +
'id: ' + name
);
}
}
/**
* Ensure all props option syntax are normalized into the * Object-based format. */
function normalizeProps (options, vm) {
var props = options.props;
if (!props) { return }
var res = {};
var i, val, name;
if (Array.isArray(props)) {
i = props.length;
while (i--) {
val = props[i];
if (typeof val === 'string') {
name = camelize(val);
res[name] = { type: null };
} else {
warn('props must be strings when using array syntax.');
}
}
} else if (isPlainObject(props)) {
for (var key in props) {
val = props[key];
name = camelize(key);
res[name] = isPlainObject(val)
? val
: { type: val };
}
} else {
warn(
"Invalid value for option \"props\": expected an Array or an Object, " +
"but got " + (toRawType(props)) + ".",
vm
);
}
options.props = res;
}
/**
* Normalize all injections into Object-based format */
function normalizeInject (options, vm) {
var inject = options.inject;
if (!inject) { return }
var normalized = options.inject = {};
if (Array.isArray(inject)) {
for (var i = 0; i < inject.length; i++) {
normalized[inject[i]] = { from: inject[i] };
}
} else if (isPlainObject(inject)) {
for (var key in inject) {
var val = inject[key];
normalized[key] = isPlainObject(val)
? extend({ from: key }, val)
: { from: val };
}
} else {
warn(
"Invalid value for option \"inject\": expected an Array or an Object, " +
"but got " + (toRawType(inject)) + ".",
vm
);
}
}
/**
* Normalize raw function directives into object format. */
function normalizeDirectives (options) {
var dirs = options.directives;
if (dirs) {
for (var key in dirs) {
var def = dirs[key];
if (typeof def === 'function') {
dirs[key] = { bind: def, update: def };
}
}
}
}
function assertObjectType (name, value, vm) {
if (!isPlainObject(value)) {
warn(
"Invalid value for option \"" + name + "\": expected an Object, " +
"but got " + (toRawType(value)) + ".",
vm
);
}
}
/**
* Merge two option objects into a new one. * Core utility used in both instantiation and inheritance. */
function mergeOptions (
parent, child, vm
) {
{
checkComponents(child);
}
if (typeof child === 'function') {
child = child.options;
}
normalizeProps(child, vm);
normalizeInject(child, vm);
normalizeDirectives(child);
var extendsFrom = child.extends;
if (extendsFrom) {
parent = mergeOptions(parent, extendsFrom, vm);
}
if (child.mixins) {
for (var i = 0, l = child.mixins.length; i < l; i++) {
parent = mergeOptions(parent, child.mixins[i], vm);
}
}
var options = {};
var key;
for (key in parent) {
mergeField(key);
}
for (key in child) {
if (!hasOwn(parent, key)) {
mergeField(key);
}
}
function mergeField (key) {
var strat = strats[key] || defaultStrat;
options[key] = strat(parent[key], child[key], vm, key);
}
return options
}
/**
* Resolve an asset. * This function is used because child instances need access * to assets defined in its ancestor chain. */
function resolveAsset (
options, type, id, warnMissing
) {
/* istanbul ignore if */
if (typeof id !== 'string') {
return
}
var assets = options[type];
// check local registration variations first
if (hasOwn(assets, id)) { return assets[id] }
var camelizedId = camelize(id);
if (hasOwn(assets, camelizedId)) { return assets[camelizedId] }
var PascalCaseId = capitalize(camelizedId);
if (hasOwn(assets, PascalCaseId)) { return assets[PascalCaseId] }
// fallback to prototype chain
var res = assets[id] || assets[camelizedId] || assets[PascalCaseId];
if ("development" !== 'production' && warnMissing && !res) {
warn(
'Failed to resolve ' + type.slice(0, -1) + ': ' + id,
options
);
}
return res
}
/* */
function validateProp (
key, propOptions, propsData, vm
) {
var prop = propOptions[key];
var absent = !hasOwn(propsData, key);
var value = propsData[key];
// boolean casting
var booleanIndex = getTypeIndex(Boolean, prop.type);
if (booleanIndex > -1) {
if (absent && !hasOwn(prop, 'default')) {
value = false;
} else if (value === || value === hyphenate(key)) {
// only cast empty string / same name to boolean if
// boolean has higher priority
var stringIndex = getTypeIndex(String, prop.type);
if (stringIndex < 0 || booleanIndex < stringIndex) {
value = true;
}
}
}
// check default value
if (value === undefined) {
value = getPropDefaultValue(vm, prop, key);
// since the default value is a fresh copy,
// make sure to observe it.
var prevShouldObserve = shouldObserve;
toggleObserving(true);
observe(value);
toggleObserving(prevShouldObserve);
}
{
assertProp(prop, key, value, vm, absent);
}
return value
}
/**
* Get the default value of a prop. */
function getPropDefaultValue (vm, prop, key) {
// no default, return undefined
if (!hasOwn(prop, 'default')) {
return undefined
}
var def = prop.default;
// warn against non-factory defaults for Object & Array
if ("development" !== 'production' && isObject(def)) {
warn(
'Invalid default value for prop "' + key + '": ' +
'Props with type Object/Array must use a factory function ' +
'to return the default value.',
vm
);
}
// the raw prop value was also undefined from previous render,
// return previous default value to avoid unnecessary watcher trigger
if (vm && vm.$options.propsData &&
vm.$options.propsData[key] === undefined &&
vm._props[key] !== undefined
) {
return vm._props[key]
}
// call factory function for non-Function types
// a value is Function if its prototype is function even across different execution context
return typeof def === 'function' && getType(prop.type) !== 'Function'
? def.call(vm)
: def
}
/**
* Assert whether a prop is valid. */
function assertProp (
prop, name, value, vm, absent
) {
if (prop.required && absent) {
warn(
'Missing required prop: "' + name + '"',
vm
);
return
}
if (value == null && !prop.required) {
return
}
var type = prop.type;
var valid = !type || type === true;
var expectedTypes = [];
if (type) {
if (!Array.isArray(type)) {
type = [type];
}
for (var i = 0; i < type.length && !valid; i++) {
var assertedType = assertType(value, type[i]);
expectedTypes.push(assertedType.expectedType || );
valid = assertedType.valid;
}
}
if (!valid) {
warn(
"Invalid prop: type check failed for prop \"" + name + "\"." +
" Expected " + (expectedTypes.map(capitalize).join(', ')) +
", got " + (toRawType(value)) + ".",
vm
);
return
}
var validator = prop.validator;
if (validator) {
if (!validator(value)) {
warn(
'Invalid prop: custom validator check failed for prop "' + name + '".',
vm
);
}
}
}
var simpleCheckRE = /^(String|Number|Boolean|Function|Symbol)$/;
function assertType (value, type) {
var valid;
var expectedType = getType(type);
if (simpleCheckRE.test(expectedType)) {
var t = typeof value;
valid = t === expectedType.toLowerCase();
// for primitive wrapper objects
if (!valid && t === 'object') {
valid = value instanceof type;
}
} else if (expectedType === 'Object') {
valid = isPlainObject(value);
} else if (expectedType === 'Array') {
valid = Array.isArray(value);
} else {
valid = value instanceof type;
}
return {
valid: valid,
expectedType: expectedType
}
}
/**
* Use function string name to check built-in types, * because a simple equality check will fail when running * across different vms / iframes. */
function getType (fn) {
var match = fn && fn.toString().match(/^\s*function (\w+)/); return match ? match[1] :
}
function isSameType (a, b) {
return getType(a) === getType(b)
}
function getTypeIndex (type, expectedTypes) {
if (!Array.isArray(expectedTypes)) {
return isSameType(expectedTypes, type) ? 0 : -1
}
for (var i = 0, len = expectedTypes.length; i < len; i++) {
if (isSameType(expectedTypes[i], type)) {
return i
}
}
return -1
}
/* */
function handleError (err, vm, info) {
if (vm) {
var cur = vm;
while ((cur = cur.$parent)) {
var hooks = cur.$options.errorCaptured;
if (hooks) {
for (var i = 0; i < hooks.length; i++) {
try {
var capture = hooks[i].call(cur, err, vm, info) === false;
if (capture) { return }
} catch (e) {
globalHandleError(e, cur, 'errorCaptured hook');
}
}
}
}
}
globalHandleError(err, vm, info);
}
function globalHandleError (err, vm, info) {
if (config.errorHandler) {
try {
return config.errorHandler.call(null, err, vm, info)
} catch (e) {
logError(e, null, 'config.errorHandler');
}
}
logError(err, vm, info);
}
function logError (err, vm, info) {
{
warn(("Error in " + info + ": \"" + (err.toString()) + "\""), vm);
}
/* istanbul ignore else */
if ((inBrowser || inWeex) && typeof console !== 'undefined') {
console.error(err);
} else {
throw err
}
}
/* */ /* globals MessageChannel */
var callbacks = []; var pending = false;
function flushCallbacks () {
pending = false;
var copies = callbacks.slice(0);
callbacks.length = 0;
for (var i = 0; i < copies.length; i++) {
copies[i]();
}
}
// Here we have async deferring wrappers using both microtasks and (macro) tasks. // In < 2.4 we used microtasks everywhere, but there are some scenarios where // microtasks have too high a priority and fire in between supposedly // sequential events (e.g. #4521, #6690) or even between bubbling of the same // event (#6566). However, using (macro) tasks everywhere also has subtle problems // when state is changed right before repaint (e.g. #6813, out-in transitions). // Here we use microtask by default, but expose a way to force (macro) task when // needed (e.g. in event handlers attached by v-on). var microTimerFunc; var macroTimerFunc; var useMacroTask = false;
// Determine (macro) task defer implementation. // Technically setImmediate should be the ideal choice, but it's only available // in IE. The only polyfill that consistently queues the callback after all DOM // events triggered in the same loop is by using MessageChannel. /* istanbul ignore if */ if (typeof setImmediate !== 'undefined' && isNative(setImmediate)) {
macroTimerFunc = function () {
setImmediate(flushCallbacks);
};
} else if (typeof MessageChannel !== 'undefined' && (
isNative(MessageChannel) || // PhantomJS MessageChannel.toString() === '[object MessageChannelConstructor]'
)) {
var channel = new MessageChannel();
var port = channel.port2;
channel.port1.onmessage = flushCallbacks;
macroTimerFunc = function () {
port.postMessage(1);
};
} else {
/* istanbul ignore next */
macroTimerFunc = function () {
setTimeout(flushCallbacks, 0);
};
}
// Determine microtask defer implementation. /* istanbul ignore next, $flow-disable-line */ if (typeof Promise !== 'undefined' && isNative(Promise)) {
var p = Promise.resolve();
microTimerFunc = function () {
p.then(flushCallbacks);
// in problematic UIWebViews, Promise.then doesn't completely break, but
// it can get stuck in a weird state where callbacks are pushed into the
// microtask queue but the queue isn't being flushed, until the browser
// needs to do some other work, e.g. handle a timer. Therefore we can
// "force" the microtask queue to be flushed by adding an empty timer.
if (isIOS) { setTimeout(noop); }
};
} else {
// fallback to macro microTimerFunc = macroTimerFunc;
}
/**
* Wrap a function so that if any code inside triggers state change, * the changes are queued using a (macro) task instead of a microtask. */
function withMacroTask (fn) {
return fn._withTask || (fn._withTask = function () {
useMacroTask = true;
var res = fn.apply(null, arguments);
useMacroTask = false;
return res
})
}
function nextTick (cb, ctx) {
var _resolve;
callbacks.push(function () {
if (cb) {
try {
cb.call(ctx);
} catch (e) {
handleError(e, ctx, 'nextTick');
}
} else if (_resolve) {
_resolve(ctx);
}
});
if (!pending) {
pending = true;
if (useMacroTask) {
macroTimerFunc();
} else {
microTimerFunc();
}
}
// $flow-disable-line
if (!cb && typeof Promise !== 'undefined') {
return new Promise(function (resolve) {
_resolve = resolve;
})
}
}
/* */
var mark; var measure;
{
var perf = inBrowser && window.performance;
/* istanbul ignore if */
if (
perf &&
perf.mark &&
perf.measure &&
perf.clearMarks &&
perf.clearMeasures
) {
mark = function (tag) { return perf.mark(tag); };
measure = function (name, startTag, endTag) {
perf.measure(name, startTag, endTag);
perf.clearMarks(startTag);
perf.clearMarks(endTag);
perf.clearMeasures(name);
};
}
}
/* not type checking this file because flow doesn't play well with Proxy */
var initProxy;
{
var allowedGlobals = makeMap( 'Infinity,undefined,NaN,isFinite,isNaN,' + 'parseFloat,parseInt,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,' + 'Math,Number,Date,Array,Object,Boolean,String,RegExp,Map,Set,JSON,Intl,' + 'require' // for Webpack/Browserify );
var warnNonPresent = function (target, key) {
warn(
"Property or method \"" + key + "\" is not defined on the instance but " +
'referenced during render. Make sure that this property is reactive, ' +
'either in the data option, or for class-based components, by ' +
'initializing the property. ' +
'See: https://vuejs.org/v2/guide/reactivity.html#Declaring-Reactive-Properties.',
target
);
};
var hasProxy = typeof Proxy !== 'undefined' && isNative(Proxy);
if (hasProxy) {
var isBuiltInModifier = makeMap('stop,prevent,self,ctrl,shift,alt,meta,exact');
config.keyCodes = new Proxy(config.keyCodes, {
set: function set (target, key, value) {
if (isBuiltInModifier(key)) {
warn(("Avoid overwriting built-in modifier in config.keyCodes: ." + key));
return false
} else {
target[key] = value;
return true
}
}
});
}
var hasHandler = {
has: function has (target, key) {
var has = key in target;
var isAllowed = allowedGlobals(key) || key.charAt(0) === '_';
if (!has && !isAllowed) {
warnNonPresent(target, key);
}
return has || !isAllowed
}
};
var getHandler = {
get: function get (target, key) {
if (typeof key === 'string' && !(key in target)) {
warnNonPresent(target, key);
}
return target[key]
}
};
initProxy = function initProxy (vm) {
if (hasProxy) {
// determine which proxy handler to use
var options = vm.$options;
var handlers = options.render && options.render._withStripped
? getHandler
: hasHandler;
vm._renderProxy = new Proxy(vm, handlers);
} else {
vm._renderProxy = vm;
}
};
}
/* */
var seenObjects = new _Set();
/**
* Recursively traverse an object to evoke all converted * getters, so that every nested property inside the object * is collected as a "deep" dependency. */
function traverse (val) {
_traverse(val, seenObjects); seenObjects.clear();
}
function _traverse (val, seen) {
var i, keys;
var isA = Array.isArray(val);
if ((!isA && !isObject(val)) || Object.isFrozen(val) || val instanceof VNode) {
return
}
if (val.__ob__) {
var depId = val.__ob__.dep.id;
if (seen.has(depId)) {
return
}
seen.add(depId);
}
if (isA) {
i = val.length;
while (i--) { _traverse(val[i], seen); }
} else {
keys = Object.keys(val);
i = keys.length;
while (i--) { _traverse(val[keys[i]], seen); }
}
}
/* */
var normalizeEvent = cached(function (name) {
var passive = name.charAt(0) === '&';
name = passive ? name.slice(1) : name;
var once$$1 = name.charAt(0) === '~'; // Prefixed last, checked first
name = once$$1 ? name.slice(1) : name;
var capture = name.charAt(0) === '!';
name = capture ? name.slice(1) : name;
return {
name: name,
once: once$$1,
capture: capture,
passive: passive
}
});
function createFnInvoker (fns) {
function invoker () {
var arguments$1 = arguments;
var fns = invoker.fns;
if (Array.isArray(fns)) {
var cloned = fns.slice();
for (var i = 0; i < cloned.length; i++) {
cloned[i].apply(null, arguments$1);
}
} else {
// return handler return value for single handlers
return fns.apply(null, arguments)
}
}
invoker.fns = fns;
return invoker
}
function updateListeners (
on, oldOn, add, remove$$1, vm
) {
var name, def, cur, old, event;
for (name in on) {
def = cur = on[name];
old = oldOn[name];
event = normalizeEvent(name);
/* istanbul ignore if */
if (isUndef(cur)) {
"development" !== 'production' && warn(
"Invalid handler for event \"" + (event.name) + "\": got " + String(cur),
vm
);
} else if (isUndef(old)) {
if (isUndef(cur.fns)) {
cur = on[name] = createFnInvoker(cur);
}
add(event.name, cur, event.once, event.capture, event.passive, event.params);
} else if (cur !== old) {
old.fns = cur;
on[name] = old;
}
}
for (name in oldOn) {
if (isUndef(on[name])) {
event = normalizeEvent(name);
remove$$1(event.name, oldOn[name], event.capture);
}
}
}
/* */
function mergeVNodeHook (def, hookKey, hook) {
if (def instanceof VNode) {
def = def.data.hook || (def.data.hook = {});
}
var invoker;
var oldHook = def[hookKey];
function wrappedHook () {
hook.apply(this, arguments);
// important: remove merged hook to ensure it's called only once
// and prevent memory leak
remove(invoker.fns, wrappedHook);
}
if (isUndef(oldHook)) {
// no existing hook
invoker = createFnInvoker([wrappedHook]);
} else {
/* istanbul ignore if */
if (isDef(oldHook.fns) && isTrue(oldHook.merged)) {
// already a merged invoker
invoker = oldHook;
invoker.fns.push(wrappedHook);
} else {
// existing plain hook
invoker = createFnInvoker([oldHook, wrappedHook]);
}
}
invoker.merged = true; def[hookKey] = invoker;
}
/* */
function extractPropsFromVNodeData (
data, Ctor, tag
) {
// we are only extracting raw values here.
// validation and default values are handled in the child
// component itself.
var propOptions = Ctor.options.props;
if (isUndef(propOptions)) {
return
}
var res = {};
var attrs = data.attrs;
var props = data.props;
if (isDef(attrs) || isDef(props)) {
for (var key in propOptions) {
var altKey = hyphenate(key);
{
var keyInLowerCase = key.toLowerCase();
if (
key !== keyInLowerCase &&
attrs && hasOwn(attrs, keyInLowerCase)
) {
tip(
"Prop \"" + keyInLowerCase + "\" is passed to component " +
(formatComponentName(tag || Ctor)) + ", but the declared prop name is" +
" \"" + key + "\". " +
"Note that HTML attributes are case-insensitive and camelCased " +
"props need to use their kebab-case equivalents when using in-DOM " +
"templates. You should probably use \"" + altKey + "\" instead of \"" + key + "\"."
);
}
}
checkProp(res, props, key, altKey, true) ||
checkProp(res, attrs, key, altKey, false);
}
}
return res
}
function checkProp (
res, hash, key, altKey, preserve
) {
if (isDef(hash)) {
if (hasOwn(hash, key)) {
res[key] = hash[key];
if (!preserve) {
delete hash[key];
}
return true
} else if (hasOwn(hash, altKey)) {
res[key] = hash[altKey];
if (!preserve) {
delete hash[altKey];
}
return true
}
}
return false
}
/* */
// The template compiler attempts to minimize the need for normalization by // statically analyzing the template at compile time. // // For plain HTML markup, normalization can be completely skipped because the // generated render function is guaranteed to return Array<VNode>. There are // two cases where extra normalization is needed:
// 1. When the children contains components - because a functional component // may return an Array instead of a single root. In this case, just a simple // normalization is needed - if any child is an Array, we flatten the whole // thing with Array.prototype.concat. It is guaranteed to be only 1-level deep // because functional components already normalize their own children. function simpleNormalizeChildren (children) {
for (var i = 0; i < children.length; i++) {
if (Array.isArray(children[i])) {
return Array.prototype.concat.apply([], children)
}
}
return children
}
// 2. When the children contains constructs that always generated nested Arrays, // e.g. <template>, <slot>, v-for, or when the children is provided by user // with hand-written render functions / JSX. In such cases a full normalization // is needed to cater to all possible types of children values. function normalizeChildren (children) {
return isPrimitive(children)
? [createTextVNode(children)]
: Array.isArray(children)
? normalizeArrayChildren(children)
: undefined
}
function isTextNode (node) {
return isDef(node) && isDef(node.text) && isFalse(node.isComment)
}
function normalizeArrayChildren (children, nestedIndex) {
var res = [];
var i, c, lastIndex, last;
for (i = 0; i < children.length; i++) {
c = children[i];
if (isUndef(c) || typeof c === 'boolean') { continue }
lastIndex = res.length - 1;
last = res[lastIndex];
// nested
if (Array.isArray(c)) {
if (c.length > 0) {
c = normalizeArrayChildren(c, ((nestedIndex || ) + "_" + i));
// merge adjacent text nodes
if (isTextNode(c[0]) && isTextNode(last)) {
res[lastIndex] = createTextVNode(last.text + (c[0]).text);
c.shift();
}
res.push.apply(res, c);
}
} else if (isPrimitive(c)) {
if (isTextNode(last)) {
// merge adjacent text nodes
// this is necessary for SSR hydration because text nodes are
// essentially merged when rendered to HTML strings
res[lastIndex] = createTextVNode(last.text + c);
} else if (c !== ) {
// convert primitive to vnode
res.push(createTextVNode(c));
}
} else {
if (isTextNode(c) && isTextNode(last)) {
// merge adjacent text nodes
res[lastIndex] = createTextVNode(last.text + c.text);
} else {
// default key for nested array children (likely generated by v-for)
if (isTrue(children._isVList) &&
isDef(c.tag) &&
isUndef(c.key) &&
isDef(nestedIndex)) {
c.key = "__vlist" + nestedIndex + "_" + i + "__";
}
res.push(c);
}
}
}
return res
}
/* */
function ensureCtor (comp, base) {
if (
comp.__esModule ||
(hasSymbol && comp[Symbol.toStringTag] === 'Module')
) {
comp = comp.default;
}
return isObject(comp)
? base.extend(comp)
: comp
}
function createAsyncPlaceholder (
factory, data, context, children, tag
) {
var node = createEmptyVNode();
node.asyncFactory = factory;
node.asyncMeta = { data: data, context: context, children: children, tag: tag };
return node
}
function resolveAsyncComponent (
factory, baseCtor, context
) {
if (isTrue(factory.error) && isDef(factory.errorComp)) {
return factory.errorComp
}
if (isDef(factory.resolved)) {
return factory.resolved
}
if (isTrue(factory.loading) && isDef(factory.loadingComp)) {
return factory.loadingComp
}
if (isDef(factory.contexts)) {
// already pending
factory.contexts.push(context);
} else {
var contexts = factory.contexts = [context];
var sync = true;
var forceRender = function () {
for (var i = 0, l = contexts.length; i < l; i++) {
contexts[i].$forceUpdate();
}
};
var resolve = once(function (res) {
// cache resolved
factory.resolved = ensureCtor(res, baseCtor);
// invoke callbacks only if this is not a synchronous resolve
// (async resolves are shimmed as synchronous during SSR)
if (!sync) {
forceRender();
}
});
var reject = once(function (reason) {
"development" !== 'production' && warn(
"Failed to resolve async component: " + (String(factory)) +
(reason ? ("\nReason: " + reason) : )
);
if (isDef(factory.errorComp)) {
factory.error = true;
forceRender();
}
});
var res = factory(resolve, reject);
if (isObject(res)) {
if (typeof res.then === 'function') {
// () => Promise
if (isUndef(factory.resolved)) {
res.then(resolve, reject);
}
} else if (isDef(res.component) && typeof res.component.then === 'function') {
res.component.then(resolve, reject);
if (isDef(res.error)) {
factory.errorComp = ensureCtor(res.error, baseCtor);
}
if (isDef(res.loading)) {
factory.loadingComp = ensureCtor(res.loading, baseCtor);
if (res.delay === 0) {
factory.loading = true;
} else {
setTimeout(function () {
if (isUndef(factory.resolved) && isUndef(factory.error)) {
factory.loading = true;
forceRender();
}
}, res.delay || 200);
}
}
if (isDef(res.timeout)) {
setTimeout(function () {
if (isUndef(factory.resolved)) {
reject(
"timeout (" + (res.timeout) + "ms)"
);
}
}, res.timeout);
}
}
}
sync = false;
// return in case resolved synchronously
return factory.loading
? factory.loadingComp
: factory.resolved
}
}
/* */
function isAsyncPlaceholder (node) {
return node.isComment && node.asyncFactory
}
/* */
function getFirstComponentChild (children) {
if (Array.isArray(children)) {
for (var i = 0; i < children.length; i++) {
var c = children[i];
if (isDef(c) && (isDef(c.componentOptions) || isAsyncPlaceholder(c))) {
return c
}
}
}
}
/* */
/* */
function initEvents (vm) {
vm._events = Object.create(null);
vm._hasHookEvent = false;
// init parent attached events
var listeners = vm.$options._parentListeners;
if (listeners) {
updateComponentListeners(vm, listeners);
}
}
var target;
function add (event, fn, once) {
if (once) {
target.$once(event, fn);
} else {
target.$on(event, fn);
}
}
function remove$1 (event, fn) {
target.$off(event, fn);
}
function updateComponentListeners (
vm, listeners, oldListeners
) {
target = vm;
updateListeners(listeners, oldListeners || {}, add, remove$1, vm);
target = undefined;
}
function eventsMixin (Vue) {
var hookRE = /^hook:/;
Vue.prototype.$on = function (event, fn) {
var this$1 = this;
var vm = this;
if (Array.isArray(event)) {
for (var i = 0, l = event.length; i < l; i++) {
this$1.$on(event[i], fn);
}
} else {
(vm._events[event] || (vm._events[event] = [])).push(fn);
// optimize hook:event cost by using a boolean flag marked at registration
// instead of a hash lookup
if (hookRE.test(event)) {
vm._hasHookEvent = true;
}
}
return vm
};
Vue.prototype.$once = function (event, fn) {
var vm = this;
function on () {
vm.$off(event, on);
fn.apply(vm, arguments);
}
on.fn = fn;
vm.$on(event, on);
return vm
};
Vue.prototype.$off = function (event, fn) {
var this$1 = this;
var vm = this;
// all
if (!arguments.length) {
vm._events = Object.create(null);
return vm
}
// array of events
if (Array.isArray(event)) {
for (var i = 0, l = event.length; i < l; i++) {
this$1.$off(event[i], fn);
}
return vm
}
// specific event
var cbs = vm._events[event];
if (!cbs) {
return vm
}
if (!fn) {
vm._events[event] = null;
return vm
}
if (fn) {
// specific handler
var cb;
var i$1 = cbs.length;
while (i$1--) {
cb = cbs[i$1];
if (cb === fn || cb.fn === fn) {
cbs.splice(i$1, 1);
break
}
}
}
return vm
};
Vue.prototype.$emit = function (event) {
var vm = this;
{
var lowerCaseEvent = event.toLowerCase();
if (lowerCaseEvent !== event && vm._events[lowerCaseEvent]) {
tip(
"Event \"" + lowerCaseEvent + "\" is emitted in component " +
(formatComponentName(vm)) + " but the handler is registered for \"" + event + "\". " +
"Note that HTML attributes are case-insensitive and you cannot use " +
"v-on to listen to camelCase events when using in-DOM templates. " +
"You should probably use \"" + (hyphenate(event)) + "\" instead of \"" + event + "\"."
);
}
}
var cbs = vm._events[event];
if (cbs) {
cbs = cbs.length > 1 ? toArray(cbs) : cbs;
var args = toArray(arguments, 1);
for (var i = 0, l = cbs.length; i < l; i++) {
try {
cbs[i].apply(vm, args);
} catch (e) {
handleError(e, vm, ("event handler for \"" + event + "\""));
}
}
}
return vm
};
}
/* */
/**
* Runtime helper for resolving raw children VNodes into a slot object. */
function resolveSlots (
children, context
) {
var slots = {};
if (!children) {
return slots
}
for (var i = 0, l = children.length; i < l; i++) {
var child = children[i];
var data = child.data;
// remove slot attribute if the node is resolved as a Vue slot node
if (data && data.attrs && data.attrs.slot) {
delete data.attrs.slot;
}
// named slots should only be respected if the vnode was rendered in the
// same context.
if ((child.context === context || child.fnContext === context) &&
data && data.slot != null
) {
var name = data.slot;
var slot = (slots[name] || (slots[name] = []));
if (child.tag === 'template') {
slot.push.apply(slot, child.children || []);
} else {
slot.push(child);
}
} else {
(slots.default || (slots.default = [])).push(child);
}
}
// ignore slots that contains only whitespace
for (var name$1 in slots) {
if (slots[name$1].every(isWhitespace)) {
delete slots[name$1];
}
}
return slots
}
function isWhitespace (node) {
return (node.isComment && !node.asyncFactory) || node.text === ' '
}
function resolveScopedSlots (
fns, // see flow/vnode res
) {
res = res || {};
for (var i = 0; i < fns.length; i++) {
if (Array.isArray(fns[i])) {
resolveScopedSlots(fns[i], res);
} else {
res[fns[i].key] = fns[i].fn;
}
}
return res
}
/* */
var activeInstance = null; var isUpdatingChildComponent = false;
function initLifecycle (vm) {
var options = vm.$options;
// locate first non-abstract parent
var parent = options.parent;
if (parent && !options.abstract) {
while (parent.$options.abstract && parent.$parent) {
parent = parent.$parent;
}
parent.$children.push(vm);
}
vm.$parent = parent; vm.$root = parent ? parent.$root : vm;
vm.$children = [];
vm.$refs = {};
vm._watcher = null; vm._inactive = null; vm._directInactive = false; vm._isMounted = false; vm._isDestroyed = false; vm._isBeingDestroyed = false;
}
function lifecycleMixin (Vue) {
Vue.prototype._update = function (vnode, hydrating) {
var vm = this;
if (vm._isMounted) {
callHook(vm, 'beforeUpdate');
}
var prevEl = vm.$el;
var prevVnode = vm._vnode;
var prevActiveInstance = activeInstance;
activeInstance = vm;
vm._vnode = vnode;
// Vue.prototype.__patch__ is injected in entry points
// based on the rendering backend used.
if (!prevVnode) {
// initial render
vm.$el = vm.__patch__(
vm.$el, vnode, hydrating, false /* removeOnly */,
vm.$options._parentElm,
vm.$options._refElm
);
// no need for the ref nodes after initial patch
// this prevents keeping a detached DOM tree in memory (#5851)
vm.$options._parentElm = vm.$options._refElm = null;
} else {
// updates
vm.$el = vm.__patch__(prevVnode, vnode);
}
activeInstance = prevActiveInstance;
// update __vue__ reference
if (prevEl) {
prevEl.__vue__ = null;
}
if (vm.$el) {
vm.$el.__vue__ = vm;
}
// if parent is an HOC, update its $el as well
if (vm.$vnode && vm.$parent && vm.$vnode === vm.$parent._vnode) {
vm.$parent.$el = vm.$el;
}
// updated hook is called by the scheduler to ensure that children are
// updated in a parent's updated hook.
};
Vue.prototype.$forceUpdate = function () {
var vm = this;
if (vm._watcher) {
vm._watcher.update();
}
};
Vue.prototype.$destroy = function () {
var vm = this;
if (vm._isBeingDestroyed) {
return
}
callHook(vm, 'beforeDestroy');
vm._isBeingDestroyed = true;
// remove self from parent
var parent = vm.$parent;
if (parent && !parent._isBeingDestroyed && !vm.$options.abstract) {
remove(parent.$children, vm);
}
// teardown watchers
if (vm._watcher) {
vm._watcher.teardown();
}
var i = vm._watchers.length;
while (i--) {
vm._watchers[i].teardown();
}
// remove reference from data ob
// frozen object may not have observer.
if (vm._data.__ob__) {
vm._data.__ob__.vmCount--;
}
// call the last hook...
vm._isDestroyed = true;
// invoke destroy hooks on current rendered tree
vm.__patch__(vm._vnode, null);
// fire destroyed hook
callHook(vm, 'destroyed');
// turn off all instance listeners.
vm.$off();
// remove __vue__ reference
if (vm.$el) {
vm.$el.__vue__ = null;
}
// release circular reference (#6759)
if (vm.$vnode) {
vm.$vnode.parent = null;
}
};
}
function mountComponent (
vm, el, hydrating
) {
vm.$el = el;
if (!vm.$options.render) {
vm.$options.render = createEmptyVNode;
{
/* istanbul ignore if */
if ((vm.$options.template && vm.$options.template.charAt(0) !== '#') ||
vm.$options.el || el) {
warn(
'You are using the runtime-only build of Vue where the template ' +
'compiler is not available. Either pre-compile the templates into ' +
'render functions, or use the compiler-included build.',
vm
);
} else {
warn(
'Failed to mount component: template or render function not defined.',
vm
);
}
}
}
callHook(vm, 'beforeMount');
var updateComponent;
/* istanbul ignore if */
if ("development" !== 'production' && config.performance && mark) {
updateComponent = function () {
var name = vm._name;
var id = vm._uid;
var startTag = "vue-perf-start:" + id;
var endTag = "vue-perf-end:" + id;
mark(startTag);
var vnode = vm._render();
mark(endTag);
measure(("vue " + name + " render"), startTag, endTag);
mark(startTag);
vm._update(vnode, hydrating);
mark(endTag);
measure(("vue " + name + " patch"), startTag, endTag);
};
} else {
updateComponent = function () {
vm._update(vm._render(), hydrating);
};
}
// we set this to vm._watcher inside the watcher's constructor // since the watcher's initial patch may call $forceUpdate (e.g. inside child // component's mounted hook), which relies on vm._watcher being already defined new Watcher(vm, updateComponent, noop, null, true /* isRenderWatcher */); hydrating = false;
// manually mounted instance, call mounted on self
// mounted is called for render-created child components in its inserted hook
if (vm.$vnode == null) {
vm._isMounted = true;
callHook(vm, 'mounted');
}
return vm
}
function updateChildComponent (
vm, propsData, listeners, parentVnode, renderChildren
) {
{
isUpdatingChildComponent = true;
}
// determine whether component has slot children // we need to do this before overwriting $options._renderChildren var hasChildren = !!( renderChildren || // has new static slots vm.$options._renderChildren || // has old static slots parentVnode.data.scopedSlots || // has new scoped slots vm.$scopedSlots !== emptyObject // has old scoped slots );
vm.$options._parentVnode = parentVnode; vm.$vnode = parentVnode; // update vm's placeholder node without re-render
if (vm._vnode) { // update child tree's parent
vm._vnode.parent = parentVnode;
}
vm.$options._renderChildren = renderChildren;
// update $attrs and $listeners hash // these are also reactive so they may trigger child update if the child // used them during render vm.$attrs = parentVnode.data.attrs || emptyObject; vm.$listeners = listeners || emptyObject;
// update props
if (propsData && vm.$options.props) {
toggleObserving(false);
var props = vm._props;
var propKeys = vm.$options._propKeys || [];
for (var i = 0; i < propKeys.length; i++) {
var key = propKeys[i];
var propOptions = vm.$options.props; // wtf flow?
props[key] = validateProp(key, propOptions, propsData, vm);
}
toggleObserving(true);
// keep a copy of raw propsData
vm.$options.propsData = propsData;
}
// update listeners listeners = listeners || emptyObject; var oldListeners = vm.$options._parentListeners; vm.$options._parentListeners = listeners; updateComponentListeners(vm, listeners, oldListeners);
// resolve slots + force update if has children
if (hasChildren) {
vm.$slots = resolveSlots(renderChildren, parentVnode.context);
vm.$forceUpdate();
}
{
isUpdatingChildComponent = false;
}
}
function isInInactiveTree (vm) {
while (vm && (vm = vm.$parent)) {
if (vm._inactive) { return true }
}
return false
}
function activateChildComponent (vm, direct) {
if (direct) {
vm._directInactive = false;
if (isInInactiveTree(vm)) {
return
}
} else if (vm._directInactive) {
return
}
if (vm._inactive || vm._inactive === null) {
vm._inactive = false;
for (var i = 0; i < vm.$children.length; i++) {
activateChildComponent(vm.$children[i]);
}
callHook(vm, 'activated');
}
}
function deactivateChildComponent (vm, direct) {
if (direct) {
vm._directInactive = true;
if (isInInactiveTree(vm)) {
return
}
}
if (!vm._inactive) {
vm._inactive = true;
for (var i = 0; i < vm.$children.length; i++) {
deactivateChildComponent(vm.$children[i]);
}
callHook(vm, 'deactivated');
}
}
function callHook (vm, hook) {
// #7573 disable dep collection when invoking lifecycle hooks
pushTarget();
var handlers = vm.$options[hook];
if (handlers) {
for (var i = 0, j = handlers.length; i < j; i++) {
try {
handlers[i].call(vm);
} catch (e) {
handleError(e, vm, (hook + " hook"));
}
}
}
if (vm._hasHookEvent) {
vm.$emit('hook:' + hook);
}
popTarget();
}
/* */
var MAX_UPDATE_COUNT = 100;
var queue = []; var activatedChildren = []; var has = {}; var circular = {}; var waiting = false; var flushing = false; var index = 0;
/**
* Reset the scheduler's state. */
function resetSchedulerState () {
index = queue.length = activatedChildren.length = 0;
has = {};
{
circular = {};
}
waiting = flushing = false;
}
/**
* Flush both queues and run the watchers. */
function flushSchedulerQueue () {
flushing = true; var watcher, id;
// Sort queue before flush.
// This ensures that:
// 1. Components are updated from parent to child. (because parent is always
// created before the child)
// 2. A component's user watchers are run before its render watcher (because
// user watchers are created before the render watcher)
// 3. If a component is destroyed during a parent component's watcher run,
// its watchers can be skipped.
queue.sort(function (a, b) { return a.id - b.id; });
// do not cache length because more watchers might be pushed
// as we run existing watchers
for (index = 0; index < queue.length; index++) {
watcher = queue[index];
id = watcher.id;
has[id] = null;
watcher.run();
// in dev build, check and stop circular updates.
if ("development" !== 'production' && has[id] != null) {
circular[id] = (circular[id] || 0) + 1;
if (circular[id] > MAX_UPDATE_COUNT) {
warn(
'You may have an infinite update loop ' + (
watcher.user
? ("in watcher with expression \"" + (watcher.expression) + "\"")
: "in a component render function."
),
watcher.vm
);
break
}
}
}
// keep copies of post queues before resetting state var activatedQueue = activatedChildren.slice(); var updatedQueue = queue.slice();
resetSchedulerState();
// call component updated and activated hooks callActivatedHooks(activatedQueue); callUpdatedHooks(updatedQueue);
// devtool hook
/* istanbul ignore if */
if (devtools && config.devtools) {
devtools.emit('flush');
}
}
function callUpdatedHooks (queue) {
var i = queue.length;
while (i--) {
var watcher = queue[i];
var vm = watcher.vm;
if (vm._watcher === watcher && vm._isMounted) {
callHook(vm, 'updated');
}
}
}
/**
* Queue a kept-alive component that was activated during patch. * The queue will be processed after the entire tree has been patched. */
function queueActivatedComponent (vm) {
// setting _inactive to false here so that a render function can // rely on checking whether it's in an inactive tree (e.g. router-view) vm._inactive = false; activatedChildren.push(vm);
}
function callActivatedHooks (queue) {
for (var i = 0; i < queue.length; i++) {
queue[i]._inactive = true;
activateChildComponent(queue[i], true /* true */);
}
}
/**
* Push a watcher into the watcher queue. * Jobs with duplicate IDs will be skipped unless it's * pushed when the queue is being flushed. */
function queueWatcher (watcher) {
var id = watcher.id;
if (has[id] == null) {
has[id] = true;
if (!flushing) {
queue.push(watcher);
} else {
// if already flushing, splice the watcher based on its id
// if already past its id, it will be run next immediately.
var i = queue.length - 1;
while (i > index && queue[i].id > watcher.id) {
i--;
}
queue.splice(i + 1, 0, watcher);
}
// queue the flush
if (!waiting) {
waiting = true;
nextTick(flushSchedulerQueue);
}
}
}
/* */
var uid$1 = 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, isRenderWatcher
) {
this.vm = vm;
if (isRenderWatcher) {
vm._watcher = this;
}
vm._watchers.push(this);
// options
if (options) {
this.deep = !!options.deep;
this.user = !!options.user;
this.lazy = !!options.lazy;
this.sync = !!options.sync;
} else {
this.deep = this.user = this.lazy = this.sync = false;
}
this.cb = cb;
this.id = ++uid$1; // uid for batching
this.active = true;
this.dirty = this.lazy; // for lazy watchers
this.deps = [];
this.newDeps = [];
this.depIds = new _Set();
this.newDepIds = new _Set();
this.expression = expOrFn.toString();
// parse expression for getter
if (typeof expOrFn === 'function') {
this.getter = expOrFn;
} else {
this.getter = parsePath(expOrFn);
if (!this.getter) {
this.getter = function () {};
"development" !== 'production' && warn(
"Failed watching path: \"" + expOrFn + "\" " +
'Watcher only accepts simple dot-delimited paths. ' +
'For full control, use a function instead.',
vm
);
}
}
this.value = this.lazy
? undefined
: this.get();
};
/**
* Evaluate the getter, and re-collect dependencies. */
Watcher.prototype.get = function get () {
pushTarget(this);
var value;
var vm = this.vm;
try {
value = this.getter.call(vm, vm);
} catch (e) {
if (this.user) {
handleError(e, vm, ("getter for watcher \"" + (this.expression) + "\""));
} else {
throw e
}
} finally {
// "touch" every property so they are all tracked as
// dependencies for deep watching
if (this.deep) {
traverse(value);
}
popTarget();
this.cleanupDeps();
}
return value
};
/**
* Add a dependency to this directive. */
Watcher.prototype.addDep = function addDep (dep) {
var id = dep.id;
if (!this.newDepIds.has(id)) {
this.newDepIds.add(id);
this.newDeps.push(dep);
if (!this.depIds.has(id)) {
dep.addSub(this);
}
}
};
/**
* Clean up for dependency collection. */
Watcher.prototype.cleanupDeps = function cleanupDeps () {
var this$1 = this;
var i = this.deps.length;
while (i--) {
var dep = this$1.deps[i];
if (!this$1.newDepIds.has(dep.id)) {
dep.removeSub(this$1);
}
}
var tmp = this.depIds;
this.depIds = this.newDepIds;
this.newDepIds = tmp;
this.newDepIds.clear();
tmp = this.deps;
this.deps = this.newDeps;
this.newDeps = tmp;
this.newDeps.length = 0;
};
/**
* Subscriber interface. * Will be called when a dependency changes. */
Watcher.prototype.update = function update () {
/* istanbul ignore else */
if (this.lazy) {
this.dirty = true;
} else if (this.sync) {
this.run();
} else {
queueWatcher(this);
}
};
/**
* Scheduler job interface. * Will be called by the scheduler. */
Watcher.prototype.run = function run () {
if (this.active) {
var value = this.get();
if (
value !== this.value ||
// Deep watchers and watchers on Object/Arrays should fire even
// when the value is the same, because the value may
// have mutated.
isObject(value) ||
this.deep
) {
// set new value
var oldValue = this.value;
this.value = value;
if (this.user) {
try {
this.cb.call(this.vm, value, oldValue);
} catch (e) {
handleError(e, this.vm, ("callback for watcher \"" + (this.expression) + "\""));
}
} else {
this.cb.call(this.vm, value, oldValue);
}
}
}
};
/**
* Evaluate the value of the watcher. * This only gets called for lazy watchers. */
Watcher.prototype.evaluate = function evaluate () {
this.value = this.get(); this.dirty = false;
};
/**
* Depend on all deps collected by this watcher. */
Watcher.prototype.depend = function depend () {
var this$1 = this;
var i = this.deps.length;
while (i--) {
this$1.deps[i].depend();
}
};
/**
* Remove self from all dependencies' subscriber list. */
Watcher.prototype.teardown = function teardown () {
var this$1 = this;
if (this.active) {
// remove self from vm's watcher list
// this is a somewhat expensive operation so we skip it
// if the vm is being destroyed.
if (!this.vm._isBeingDestroyed) {
remove(this.vm._watchers, this);
}
var i = this.deps.length;
while (i--) {
this$1.deps[i].removeSub(this$1);
}
this.active = false;
}
};
/* */
var sharedPropertyDefinition = {
enumerable: true, configurable: true, get: noop, set: noop
};
function proxy (target, sourceKey, key) {
sharedPropertyDefinition.get = function proxyGetter () {
return this[sourceKey][key]
};
sharedPropertyDefinition.set = function proxySetter (val) {
this[sourceKey][key] = val;
};
Object.defineProperty(target, key, sharedPropertyDefinition);
}
function initState (vm) {
vm._watchers = [];
var opts = vm.$options;
if (opts.props) { initProps(vm, opts.props); }
if (opts.methods) { initMethods(vm, opts.methods); }
if (opts.data) {
initData(vm);
} else {
observe(vm._data = {}, true /* asRootData */);
}
if (opts.computed) { initComputed(vm, opts.computed); }
if (opts.watch && opts.watch !== nativeWatch) {
initWatch(vm, opts.watch);
}
}
function initProps (vm, propsOptions) {
var propsData = vm.$options.propsData || {};
var props = vm._props = {};
// cache prop keys so that future props updates can iterate using Array
// instead of dynamic object key enumeration.
var keys = vm.$options._propKeys = [];
var isRoot = !vm.$parent;
// root instance props should be converted
if (!isRoot) {
toggleObserving(false);
}
var loop = function ( key ) {
keys.push(key);
var value = validateProp(key, propsOptions, propsData, vm);
/* istanbul ignore else */
{
var hyphenatedKey = hyphenate(key);
if (isReservedAttribute(hyphenatedKey) ||
config.isReservedAttr(hyphenatedKey)) {
warn(
("\"" + hyphenatedKey + "\" is a reserved attribute and cannot be used as component prop."),
vm
);
}
defineReactive(props, key, value, function () {
if (vm.$parent && !isUpdatingChildComponent) {
warn(
"Avoid mutating a prop directly since the value will be " +
"overwritten whenever the parent component re-renders. " +
"Instead, use a data or computed property based on the prop's " +
"value. Prop being mutated: \"" + key + "\"",
vm
);
}
});
}
// static props are already proxied on the component's prototype
// during Vue.extend(). We only need to proxy props defined at
// instantiation here.
if (!(key in vm)) {
proxy(vm, "_props", key);
}
};
for (var key in propsOptions) loop( key ); toggleObserving(true);
}
function initData (vm) {
var data = vm.$options.data;
data = vm._data = typeof data === 'function'
? getData(data, vm)
: data || {};
if (!isPlainObject(data)) {
data = {};
"development" !== 'production' && warn(
'data functions should return an object:\n' +
'https://vuejs.org/v2/guide/components.html#data-Must-Be-a-Function',
vm
);
}
// proxy data on instance
var keys = Object.keys(data);
var props = vm.$options.props;
var methods = vm.$options.methods;
var i = keys.length;
while (i--) {
var key = keys[i];
{
if (methods && hasOwn(methods, key)) {
warn(
("Method \"" + key + "\" has already been defined as a data property."),
vm
);
}
}
if (props && hasOwn(props, key)) {
"development" !== 'production' && warn(
"The data property \"" + key + "\" is already declared as a prop. " +
"Use prop default value instead.",
vm
);
} else if (!isReserved(key)) {
proxy(vm, "_data", key);
}
}
// observe data
observe(data, true /* asRootData */);
}
function getData (data, vm) {
// #7573 disable dep collection when invoking data getters
pushTarget();
try {
return data.call(vm, vm)
} catch (e) {
handleError(e, vm, "data()");
return {}
} finally {
popTarget();
}
}
var computedWatcherOptions = { lazy: true };
function initComputed (vm, computed) {
// $flow-disable-line var watchers = vm._computedWatchers = Object.create(null); // computed properties are just getters during SSR var isSSR = isServerRendering();
for (var key in computed) {
var userDef = computed[key];
var getter = typeof userDef === 'function' ? userDef : userDef.get;
if ("development" !== 'production' && getter == null) {
warn(
("Getter is missing for computed property \"" + key + "\"."),
vm
);
}
if (!isSSR) {
// create internal watcher for the computed property.
watchers[key] = new Watcher(
vm,
getter || noop,
noop,
computedWatcherOptions
);
}
// component-defined computed properties are already defined on the
// component prototype. We only need to define computed properties defined
// at instantiation here.
if (!(key in vm)) {
defineComputed(vm, key, userDef);
} else {
if (key in vm.$data) {
warn(("The computed property \"" + key + "\" is already defined in data."), vm);
} else if (vm.$options.props && key in vm.$options.props) {
warn(("The computed property \"" + key + "\" is already defined as a prop."), vm);
}
}
}
}
function defineComputed (
target, key, userDef
) {
var shouldCache = !isServerRendering();
if (typeof userDef === 'function') {
sharedPropertyDefinition.get = shouldCache
? createComputedGetter(key)
: userDef;
sharedPropertyDefinition.set = noop;
} else {
sharedPropertyDefinition.get = userDef.get
? shouldCache && userDef.cache !== false
? createComputedGetter(key)
: userDef.get
: noop;
sharedPropertyDefinition.set = userDef.set
? userDef.set
: noop;
}
if ("development" !== 'production' &&
sharedPropertyDefinition.set === noop) {
sharedPropertyDefinition.set = function () {
warn(
("Computed property \"" + key + "\" was assigned to but it has no setter."),
this
);
};
}
Object.defineProperty(target, key, sharedPropertyDefinition);
}
function createComputedGetter (key) {
return function computedGetter () {
var watcher = this._computedWatchers && this._computedWatchers[key];
if (watcher) {
if (watcher.dirty) {
watcher.evaluate();
}
if (Dep.target) {
watcher.depend();
}
return watcher.value
}
}
}
function initMethods (vm, methods) {
var props = vm.$options.props;
for (var key in methods) {
{
if (methods[key] == null) {
warn(
"Method \"" + key + "\" has an undefined value in the component definition. " +
"Did you reference the function correctly?",
vm
);
}
if (props && hasOwn(props, key)) {
warn(
("Method \"" + key + "\" has already been defined as a prop."),
vm
);
}
if ((key in vm) && isReserved(key)) {
warn(
"Method \"" + key + "\" conflicts with an existing Vue instance method. " +
"Avoid defining component methods that start with _ or $."
);
}
}
vm[key] = methods[key] == null ? noop : bind(methods[key], vm);
}
}
function initWatch (vm, watch) {
for (var key in watch) {
var handler = watch[key];
if (Array.isArray(handler)) {
for (var i = 0; i < handler.length; i++) {
createWatcher(vm, key, handler[i]);
}
} else {
createWatcher(vm, key, handler);
}
}
}
function createWatcher (
vm, expOrFn, handler, options
) {
if (isPlainObject(handler)) {
options = handler;
handler = handler.handler;
}
if (typeof handler === 'string') {
handler = vm[handler];
}
return vm.$watch(expOrFn, handler, options)
}
function stateMixin (Vue) {
// flow somehow has problems with directly declared definition object
// when using Object.defineProperty, so we have to procedurally build up
// the object here.
var dataDef = {};
dataDef.get = function () { return this._data };
var propsDef = {};
propsDef.get = function () { return this._props };
{
dataDef.set = function (newData) {
warn(
'Avoid replacing instance root $data. ' +
'Use nested data properties instead.',
this
);
};
propsDef.set = function () {
warn("$props is readonly.", this);
};
}
Object.defineProperty(Vue.prototype, '$data', dataDef);
Object.defineProperty(Vue.prototype, '$props', propsDef);
Vue.prototype.$set = set; Vue.prototype.$delete = del;
Vue.prototype.$watch = function (
expOrFn,
cb,
options
) {
var vm = this;
if (isPlainObject(cb)) {
return createWatcher(vm, expOrFn, cb, options)
}
options = options || {};
options.user = true;
var watcher = new Watcher(vm, expOrFn, cb, options);
if (options.immediate) {
cb.call(vm, watcher.value);
}
return function unwatchFn () {
watcher.teardown();
}
};
}
/* */
function initProvide (vm) {
var provide = vm.$options.provide;
if (provide) {
vm._provided = typeof provide === 'function'
? provide.call(vm)
: provide;
}
}
function initInjections (vm) {
var result = resolveInject(vm.$options.inject, vm);
if (result) {
toggleObserving(false);
Object.keys(result).forEach(function (key) {
/* istanbul ignore else */
{
defineReactive(vm, key, result[key], function () {
warn(
"Avoid mutating an injected value directly since the changes will be " +
"overwritten whenever the provided component re-renders. " +
"injection being mutated: \"" + key + "\"",
vm
);
});
}
});
toggleObserving(true);
}
}
function resolveInject (inject, vm) {
if (inject) {
// inject is :any because flow is not smart enough to figure out cached
var result = Object.create(null);
var keys = hasSymbol
? Reflect.ownKeys(inject).filter(function (key) {
/* istanbul ignore next */
return Object.getOwnPropertyDescriptor(inject, key).enumerable
})
: Object.keys(inject);
for (var i = 0; i < keys.length; i++) {
var key = keys[i];
var provideKey = inject[key].from;
var source = vm;
while (source) {
if (source._provided && hasOwn(source._provided, provideKey)) {
result[key] = source._provided[provideKey];
break
}
source = source.$parent;
}
if (!source) {
if ('default' in inject[key]) {
var provideDefault = inject[key].default;
result[key] = typeof provideDefault === 'function'
? provideDefault.call(vm)
: provideDefault;
} else {
warn(("Injection \"" + key + "\" not found"), vm);
}
}
}
return result
}
}
/* */
/**
* Runtime helper for rendering v-for lists. */
function renderList (
val, render
) {
var ret, i, l, keys, key;
if (Array.isArray(val) || typeof val === 'string') {
ret = new Array(val.length);
for (i = 0, l = val.length; i < l; i++) {
ret[i] = render(val[i], i);
}
} else if (typeof val === 'number') {
ret = new Array(val);
for (i = 0; i < val; i++) {
ret[i] = render(i + 1, i);
}
} else if (isObject(val)) {
keys = Object.keys(val);
ret = new Array(keys.length);
for (i = 0, l = keys.length; i < l; i++) {
key = keys[i];
ret[i] = render(val[key], key, i);
}
}
if (isDef(ret)) {
(ret)._isVList = true;
}
return ret
}
/* */
/**
* Runtime helper for rendering <slot> */
function renderSlot (
name, fallback, props, bindObject
) {
var scopedSlotFn = this.$scopedSlots[name];
var nodes;
if (scopedSlotFn) { // scoped slot
props = props || {};
if (bindObject) {
if ("development" !== 'production' && !isObject(bindObject)) {
warn(
'slot v-bind without argument expects an Object',
this
);
}
props = extend(extend({}, bindObject), props);
}
nodes = scopedSlotFn(props) || fallback;
} else {
var slotNodes = this.$slots[name];
// warn duplicate slot usage
if (slotNodes) {
if ("development" !== 'production' && slotNodes._rendered) {
warn(
"Duplicate presence of slot \"" + name + "\" found in the same render tree " +
"- this will likely cause render errors.",
this
);
}
slotNodes._rendered = true;
}
nodes = slotNodes || fallback;
}
var target = props && props.slot;
if (target) {
return this.$createElement('template', { slot: target }, nodes)
} else {
return nodes
}
}
/* */
/**
* Runtime helper for resolving filters */
function resolveFilter (id) {
return resolveAsset(this.$options, 'filters', id, true) || identity
}
/* */
function isKeyNotMatch (expect, actual) {
if (Array.isArray(expect)) {
return expect.indexOf(actual) === -1
} else {
return expect !== actual
}
}
/**
* Runtime helper for checking keyCodes from config. * exposed as Vue.prototype._k * passing in eventKeyName as last argument separately for backwards compat */
function checkKeyCodes (
eventKeyCode, key, builtInKeyCode, eventKeyName, builtInKeyName
) {
var mappedKeyCode = config.keyCodes[key] || builtInKeyCode;
if (builtInKeyName && eventKeyName && !config.keyCodes[key]) {
return isKeyNotMatch(builtInKeyName, eventKeyName)
} else if (mappedKeyCode) {
return isKeyNotMatch(mappedKeyCode, eventKeyCode)
} else if (eventKeyName) {
return hyphenate(eventKeyName) !== key
}
}
/* */
/**
* Runtime helper for merging v-bind="object" into a VNode's data. */
function bindObjectProps (
data, tag, value, asProp, isSync
) {
if (value) {
if (!isObject(value)) {
"development" !== 'production' && warn(
'v-bind without argument expects an Object or Array value',
this
);
} else {
if (Array.isArray(value)) {
value = toObject(value);
}
var hash;
var loop = function ( key ) {
if (
key === 'class' ||
key === 'style' ||
isReservedAttribute(key)
) {
hash = data;
} else {
var type = data.attrs && data.attrs.type;
hash = asProp || config.mustUseProp(tag, type, key)
? data.domProps || (data.domProps = {})
: data.attrs || (data.attrs = {});
}
if (!(key in hash)) {
hash[key] = value[key];
if (isSync) {
var on = data.on || (data.on = {});
on[("update:" + key)] = function ($event) {
value[key] = $event;
};
}
}
};
for (var key in value) loop( key ); } } return data
}
/* */
/**
* Runtime helper for rendering static trees. */
function renderStatic (
index, isInFor
) {
var cached = this._staticTrees || (this._staticTrees = []);
var tree = cached[index];
// if has already-rendered static tree and not inside v-for,
// we can reuse the same tree.
if (tree && !isInFor) {
return tree
}
// otherwise, render a fresh tree.
tree = cached[index] = this.$options.staticRenderFns[index].call(
this._renderProxy,
null,
this // for render fns generated for functional component templates
);
markStatic(tree, ("__static__" + index), false);
return tree
}
/**
* Runtime helper for v-once. * Effectively it means marking the node as static with a unique key. */
function markOnce (
tree, index, key
) {
markStatic(tree, ("__once__" + index + (key ? ("_" + key) : "")), true);
return tree
}
function markStatic (
tree, key, isOnce
) {
if (Array.isArray(tree)) {
for (var i = 0; i < tree.length; i++) {
if (tree[i] && typeof tree[i] !== 'string') {
markStaticNode(tree[i], (key + "_" + i), isOnce);
}
}
} else {
markStaticNode(tree, key, isOnce);
}
}
function markStaticNode (node, key, isOnce) {
node.isStatic = true; node.key = key; node.isOnce = isOnce;
}
/* */
function bindObjectListeners (data, value) {
if (value) {
if (!isPlainObject(value)) {
"development" !== 'production' && warn(
'v-on without argument expects an Object value',
this
);
} else {
var on = data.on = data.on ? extend({}, data.on) : {};
for (var key in value) {
var existing = on[key];
var ours = value[key];
on[key] = existing ? [].concat(existing, ours) : ours;
}
}
}
return data
}
/* */
function installRenderHelpers (target) {
target._o = markOnce; target._n = toNumber; target._s = toString; target._l = renderList; target._t = renderSlot; target._q = looseEqual; target._i = looseIndexOf; target._m = renderStatic; target._f = resolveFilter; target._k = checkKeyCodes; target._b = bindObjectProps; target._v = createTextVNode; target._e = createEmptyVNode; target._u = resolveScopedSlots; target._g = bindObjectListeners;
}
/* */
function FunctionalRenderContext (
data, props, children, parent, Ctor
) {
var options = Ctor.options;
// ensure the createElement function in functional components
// gets a unique context - this is necessary for correct named slot check
var contextVm;
if (hasOwn(parent, '_uid')) {
contextVm = Object.create(parent);
// $flow-disable-line
contextVm._original = parent;
} else {
// the context vm passed in is a functional context as well.
// in this case we want to make sure we are able to get a hold to the
// real context instance.
contextVm = parent;
// $flow-disable-line
parent = parent._original;
}
var isCompiled = isTrue(options._compiled);
var needNormalization = !isCompiled;
this.data = data;
this.props = props;
this.children = children;
this.parent = parent;
this.listeners = data.on || emptyObject;
this.injections = resolveInject(options.inject, parent);
this.slots = function () { return resolveSlots(children, parent); };
// support for compiled functional template
if (isCompiled) {
// exposing $options for renderStatic()
this.$options = options;
// pre-resolve slots for renderSlot()
this.$slots = this.slots();
this.$scopedSlots = data.scopedSlots || emptyObject;
}
if (options._scopeId) {
this._c = function (a, b, c, d) {
var vnode = createElement(contextVm, a, b, c, d, needNormalization);
if (vnode && !Array.isArray(vnode)) {
vnode.fnScopeId = options._scopeId;
vnode.fnContext = parent;
}
return vnode
};
} else {
this._c = function (a, b, c, d) { return createElement(contextVm, a, b, c, d, needNormalization); };
}
}
installRenderHelpers(FunctionalRenderContext.prototype);
function createFunctionalComponent (
Ctor, propsData, data, contextVm, children
) {
var options = Ctor.options;
var props = {};
var propOptions = options.props;
if (isDef(propOptions)) {
for (var key in propOptions) {
props[key] = validateProp(key, propOptions, propsData || emptyObject);
}
} else {
if (isDef(data.attrs)) { mergeProps(props, data.attrs); }
if (isDef(data.props)) { mergeProps(props, data.props); }
}
var renderContext = new FunctionalRenderContext( data, props, children, contextVm, Ctor );
var vnode = options.render.call(null, renderContext._c, renderContext);
if (vnode instanceof VNode) {
return cloneAndMarkFunctionalResult(vnode, data, renderContext.parent, options)
} else if (Array.isArray(vnode)) {
var vnodes = normalizeChildren(vnode) || [];
var res = new Array(vnodes.length);
for (var i = 0; i < vnodes.length; i++) {
res[i] = cloneAndMarkFunctionalResult(vnodes[i], data, renderContext.parent, options);
}
return res
}
}
function cloneAndMarkFunctionalResult (vnode, data, contextVm, options) {
// #7817 clone node before setting fnContext, otherwise if the node is reused
// (e.g. it was from a cached normal slot) the fnContext causes named slots
// that should not be matched to match.
var clone = cloneVNode(vnode);
clone.fnContext = contextVm;
clone.fnOptions = options;
if (data.slot) {
(clone.data || (clone.data = {})).slot = data.slot;
}
return clone
}
function mergeProps (to, from) {
for (var key in from) {
to[camelize(key)] = from[key];
}
}
/* */
// Register the component hook to weex native render engine.
// The hook will be triggered by native, not javascript.
// Updates the state of the component to weex native render engine.
/* */
// https://github.com/Hanks10100/weex-native-directive/tree/master/component
// listening on native callback
/* */
/* */
// inline hooks to be invoked on component VNodes during patch var componentVNodeHooks = {
init: function init (
vnode,
hydrating,
parentElm,
refElm
) {
if (
vnode.componentInstance &&
!vnode.componentInstance._isDestroyed &&
vnode.data.keepAlive
) {
// kept-alive components, treat as a patch
var mountedNode = vnode; // work around flow
componentVNodeHooks.prepatch(mountedNode, mountedNode);
} else {
var child = vnode.componentInstance = createComponentInstanceForVnode(
vnode,
activeInstance,
parentElm,
refElm
);
child.$mount(hydrating ? vnode.elm : undefined, hydrating);
}
},
prepatch: function prepatch (oldVnode, vnode) {
var options = vnode.componentOptions;
var child = vnode.componentInstance = oldVnode.componentInstance;
updateChildComponent(
child,
options.propsData, // updated props
options.listeners, // updated listeners
vnode, // new parent vnode
options.children // new children
);
},
insert: function insert (vnode) {
var context = vnode.context;
var componentInstance = vnode.componentInstance;
if (!componentInstance._isMounted) {
componentInstance._isMounted = true;
callHook(componentInstance, 'mounted');
}
if (vnode.data.keepAlive) {
if (context._isMounted) {
// vue-router#1212
// During updates, a kept-alive component's child components may
// change, so directly walking the tree here may call activated hooks
// on incorrect children. Instead we push them into a queue which will
// be processed after the whole patch process ended.
queueActivatedComponent(componentInstance);
} else {
activateChildComponent(componentInstance, true /* direct */);
}
}
},
destroy: function destroy (vnode) {
var componentInstance = vnode.componentInstance;
if (!componentInstance._isDestroyed) {
if (!vnode.data.keepAlive) {
componentInstance.$destroy();
} else {
deactivateChildComponent(componentInstance, true /* direct */);
}
}
}
};
var hooksToMerge = Object.keys(componentVNodeHooks);
function createComponent (
Ctor, data, context, children, tag
) {
if (isUndef(Ctor)) {
return
}
var baseCtor = context.$options._base;
// plain options object: turn it into a constructor
if (isObject(Ctor)) {
Ctor = baseCtor.extend(Ctor);
}
// if at this stage it's not a constructor or an async component factory,
// reject.
if (typeof Ctor !== 'function') {
{
warn(("Invalid Component definition: " + (String(Ctor))), context);
}
return
}
// async component
var asyncFactory;
if (isUndef(Ctor.cid)) {
asyncFactory = Ctor;
Ctor = resolveAsyncComponent(asyncFactory, baseCtor, context);
if (Ctor === undefined) {
// return a placeholder node for async component, which is rendered
// as a comment node but preserves all the raw information for the node.
// the information will be used for async server-rendering and hydration.
return createAsyncPlaceholder(
asyncFactory,
data,
context,
children,
tag
)
}
}
data = data || {};
// resolve constructor options in case global mixins are applied after // component constructor creation resolveConstructorOptions(Ctor);
// transform component v-model data into props & events
if (isDef(data.model)) {
transformModel(Ctor.options, data);
}
// extract props var propsData = extractPropsFromVNodeData(data, Ctor, tag);
// functional component
if (isTrue(Ctor.options.functional)) {
return createFunctionalComponent(Ctor, propsData, data, context, children)
}
// extract listeners, since these needs to be treated as // child component listeners instead of DOM listeners var listeners = data.on; // replace with listeners with .native modifier // so it gets processed during parent component patch. data.on = data.nativeOn;
if (isTrue(Ctor.options.abstract)) {
// abstract components do not keep anything
// other than props & listeners & slot
// work around flow
var slot = data.slot;
data = {};
if (slot) {
data.slot = slot;
}
}
// install component management hooks onto the placeholder node installComponentHooks(data);
// return a placeholder vnode
var name = Ctor.options.name || tag;
var vnode = new VNode(
("vue-component-" + (Ctor.cid) + (name ? ("-" + name) : )),
data, undefined, undefined, undefined, context,
{ Ctor: Ctor, propsData: propsData, listeners: listeners, tag: tag, children: children },
asyncFactory
);
// Weex specific: invoke recycle-list optimized @render function for // extracting cell-slot template. // https://github.com/Hanks10100/weex-native-directive/tree/master/component /* istanbul ignore if */ return vnode
}
function createComponentInstanceForVnode (
vnode, // we know it's MountedComponentVNode but flow doesn't parent, // activeInstance in lifecycle state parentElm, refElm
) {
var options = {
_isComponent: true,
parent: parent,
_parentVnode: vnode,
_parentElm: parentElm || null,
_refElm: refElm || null
};
// check inline-template render functions
var inlineTemplate = vnode.data.inlineTemplate;
if (isDef(inlineTemplate)) {
options.render = inlineTemplate.render;
options.staticRenderFns = inlineTemplate.staticRenderFns;
}
return new vnode.componentOptions.Ctor(options)
}
function installComponentHooks (data) {
var hooks = data.hook || (data.hook = {});
for (var i = 0; i < hooksToMerge.length; i++) {
var key = hooksToMerge[i];
hooks[key] = componentVNodeHooks[key];
}
}
// transform component v-model info (value and callback) into // prop and event handler respectively. function transformModel (options, data) {
var prop = (options.model && options.model.prop) || 'value';
var event = (options.model && options.model.event) || 'input';(data.props || (data.props = {}))[prop] = data.model.value;
var on = data.on || (data.on = {});
if (isDef(on[event])) {
on[event] = [data.model.callback].concat(on[event]);
} else {
on[event] = data.model.callback;
}
}
/* */
var SIMPLE_NORMALIZE = 1; var ALWAYS_NORMALIZE = 2;
// wrapper function for providing a more flexible interface // without getting yelled at by flow function createElement (
context, tag, data, children, normalizationType, alwaysNormalize
) {
if (Array.isArray(data) || isPrimitive(data)) {
normalizationType = children;
children = data;
data = undefined;
}
if (isTrue(alwaysNormalize)) {
normalizationType = ALWAYS_NORMALIZE;
}
return _createElement(context, tag, data, children, normalizationType)
}
function _createElement (
context, tag, data, children, normalizationType
) {
if (isDef(data) && isDef((data).__ob__)) {
"development" !== 'production' && warn(
"Avoid using observed data object as vnode data: " + (JSON.stringify(data)) + "\n" +
'Always create fresh vnode data objects in each render!',
context
);
return createEmptyVNode()
}
// object syntax in v-bind
if (isDef(data) && isDef(data.is)) {
tag = data.is;
}
if (!tag) {
// in case of component :is set to falsy value
return createEmptyVNode()
}
// warn against non-primitive key
if ("development" !== 'production' &&
isDef(data) && isDef(data.key) && !isPrimitive(data.key)
) {
{
warn(
'Avoid using non-primitive value as key, ' +
'use string/number value instead.',
context
);
}
}
// support single function children as default scoped slot
if (Array.isArray(children) &&
typeof children[0] === 'function'
) {
data = data || {};
data.scopedSlots = { default: children[0] };
children.length = 0;
}
if (normalizationType === ALWAYS_NORMALIZE) {
children = normalizeChildren(children);
} else if (normalizationType === SIMPLE_NORMALIZE) {
children = simpleNormalizeChildren(children);
}
var vnode, ns;
if (typeof tag === 'string') {
var Ctor;
ns = (context.$vnode && context.$vnode.ns) || config.getTagNamespace(tag);
if (config.isReservedTag(tag)) {
// platform built-in elements
vnode = new VNode(
config.parsePlatformTagName(tag), data, children,
undefined, undefined, context
);
} else if (isDef(Ctor = resolveAsset(context.$options, 'components', tag))) {
// component
vnode = createComponent(Ctor, data, context, children, tag);
} else {
// unknown or unlisted namespaced elements
// check at runtime because it may get assigned a namespace when its
// parent normalizes children
vnode = new VNode(
tag, data, children,
undefined, undefined, context
);
}
} else {
// direct component options / constructor
vnode = createComponent(tag, data, context, children);
}
if (Array.isArray(vnode)) {
return vnode
} else if (isDef(vnode)) {
if (isDef(ns)) { applyNS(vnode, ns); }
if (isDef(data)) { registerDeepBindings(data); }
return vnode
} else {
return createEmptyVNode()
}
}
function applyNS (vnode, ns, force) {
vnode.ns = ns;
if (vnode.tag === 'foreignObject') {
// use default namespace inside foreignObject
ns = undefined;
force = true;
}
if (isDef(vnode.children)) {
for (var i = 0, l = vnode.children.length; i < l; i++) {
var child = vnode.children[i];
if (isDef(child.tag) && (
isUndef(child.ns) || (isTrue(force) && child.tag !== 'svg'))) {
applyNS(child, ns, force);
}
}
}
}
// ref #5318 // necessary to ensure parent re-render when deep bindings like :style and // :class are used on slot nodes function registerDeepBindings (data) {
if (isObject(data.style)) {
traverse(data.style);
}
if (isObject(data.class)) {
traverse(data.class);
}
}
/* */
function initRender (vm) {
vm._vnode = null; // the root of the child tree
vm._staticTrees = null; // v-once cached trees
var options = vm.$options;
var parentVnode = vm.$vnode = options._parentVnode; // the placeholder node in parent tree
var renderContext = parentVnode && parentVnode.context;
vm.$slots = resolveSlots(options._renderChildren, renderContext);
vm.$scopedSlots = emptyObject;
// bind the createElement fn to this instance
// so that we get proper render context inside it.
// args order: tag, data, children, normalizationType, alwaysNormalize
// internal version is used by render functions compiled from templates
vm._c = function (a, b, c, d) { return createElement(vm, a, b, c, d, false); };
// normalization is always applied for the public version, used in
// user-written render functions.
vm.$createElement = function (a, b, c, d) { return createElement(vm, a, b, c, d, true); };
// $attrs & $listeners are exposed for easier HOC creation. // they need to be reactive so that HOCs using them are always updated var parentData = parentVnode && parentVnode.data;
/* istanbul ignore else */
{
defineReactive(vm, '$attrs', parentData && parentData.attrs || emptyObject, function () {
!isUpdatingChildComponent && warn("$attrs is readonly.", vm);
}, true);
defineReactive(vm, '$listeners', options._parentListeners || emptyObject, function () {
!isUpdatingChildComponent && warn("$listeners is readonly.", vm);
}, true);
}
}
function renderMixin (Vue) {
// install runtime convenience helpers installRenderHelpers(Vue.prototype);
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 _parentVnode = ref._parentVnode;
// reset _rendered flag on slots for duplicate slot check
{
for (var key in vm.$slots) {
// $flow-disable-line
vm.$slots[key]._rendered = false;
}
}
if (_parentVnode) {
vm.$scopedSlots = _parentVnode.data.scopedSlots || emptyObject;
}
// set parent vnode. this allows render functions to have access
// to the data on the placeholder node.
vm.$vnode = _parentVnode;
// render self
var vnode;
try {
vnode = render.call(vm._renderProxy, vm.$createElement);
} catch (e) {
handleError(e, vm, "render");
// return error render result,
// or previous vnode to prevent render error causing blank component
/* istanbul ignore else */
{
if (vm.$options.renderError) {
try {
vnode = vm.$options.renderError.call(vm._renderProxy, vm.$createElement, e);
} catch (e) {
handleError(e, vm, "renderError");
vnode = vm._vnode;
}
} else {
vnode = vm._vnode;
}
}
}
// return empty vnode in case the render function errored out
if (!(vnode instanceof VNode)) {
if ("development" !== 'production' && Array.isArray(vnode)) {
warn(
'Multiple root nodes returned from render function. Render function ' +
'should return a single root node.',
vm
);
}
vnode = createEmptyVNode();
}
// set parent
vnode.parent = _parentVnode;
return vnode
};
}
/* */
var uid$3 = 0;
function initMixin (Vue) {
Vue.prototype._init = function (options) {
var vm = this;
// a uid
vm._uid = uid$3++;
var startTag, endTag;
/* istanbul ignore if */
if ("development" !== 'production' && config.performance && mark) {
startTag = "vue-perf-start:" + (vm._uid);
endTag = "vue-perf-end:" + (vm._uid);
mark(startTag);
}
// a flag to avoid this being observed
vm._isVue = true;
// merge options
if (options && options._isComponent) {
// optimize internal component instantiation
// since dynamic options merging is pretty slow, and none of the
// internal component options needs special treatment.
initInternalComponent(vm, options);
} else {
vm.$options = mergeOptions(
resolveConstructorOptions(vm.constructor),
options || {},
vm
);
}
/* istanbul ignore else */
{
initProxy(vm);
}
// expose real self
vm._self = vm;
initLifecycle(vm);
initEvents(vm);
initRender(vm);
callHook(vm, 'beforeCreate');
initInjections(vm); // resolve injections before data/props
initState(vm);
initProvide(vm); // resolve provide after data/props
callHook(vm, 'created');
/* istanbul ignore if */
if ("development" !== 'production' && config.performance && mark) {
vm._name = formatComponentName(vm, false);
mark(endTag);
measure(("vue " + (vm._name) + " init"), startTag, endTag);
}
if (vm.$options.el) {
vm.$mount(vm.$options.el);
}
};
}
function initInternalComponent (vm, options) {
var opts = vm.$options = Object.create(vm.constructor.options); // doing this because it's faster than dynamic enumeration. var parentVnode = options._parentVnode; opts.parent = options.parent; opts._parentVnode = parentVnode; opts._parentElm = options._parentElm; opts._refElm = options._refElm;
var vnodeComponentOptions = parentVnode.componentOptions; opts.propsData = vnodeComponentOptions.propsData; opts._parentListeners = vnodeComponentOptions.listeners; opts._renderChildren = vnodeComponentOptions.children; opts._componentTag = vnodeComponentOptions.tag;
if (options.render) {
opts.render = options.render;
opts.staticRenderFns = options.staticRenderFns;
}
}
function resolveConstructorOptions (Ctor) {
var options = Ctor.options;
if (Ctor.super) {
var superOptions = resolveConstructorOptions(Ctor.super);
var cachedSuperOptions = Ctor.superOptions;
if (superOptions !== cachedSuperOptions) {
// super option changed,
// need to resolve new options.
Ctor.superOptions = superOptions;
// check if there are any late-modified/attached options (#4976)
var modifiedOptions = resolveModifiedOptions(Ctor);
// update base extend options
if (modifiedOptions) {
extend(Ctor.extendOptions, modifiedOptions);
}
options = Ctor.options = mergeOptions(superOptions, Ctor.extendOptions);
if (options.name) {
options.components[options.name] = Ctor;
}
}
}
return options
}
function resolveModifiedOptions (Ctor) {
var modified;
var latest = Ctor.options;
var extended = Ctor.extendOptions;
var sealed = Ctor.sealedOptions;
for (var key in latest) {
if (latest[key] !== sealed[key]) {
if (!modified) { modified = {}; }
modified[key] = dedupe(latest[key], extended[key], sealed[key]);
}
}
return modified
}
function dedupe (latest, extended, sealed) {
// compare latest and sealed to ensure lifecycle hooks won't be duplicated
// between merges
if (Array.isArray(latest)) {
var res = [];
sealed = Array.isArray(sealed) ? sealed : [sealed];
extended = Array.isArray(extended) ? extended : [extended];
for (var i = 0; i < latest.length; i++) {
// push original options and not sealed options to exclude duplicated options
if (extended.indexOf(latest[i]) >= 0 || sealed.indexOf(latest[i]) < 0) {
res.push(latest[i]);
}
}
return res
} else {
return latest
}
}
function Vue (options) {
if ("development" !== 'production' &&
!(this instanceof Vue)
) {
warn('Vue is a constructor and should be called with the `new` keyword');
}
this._init(options);
}
initMixin(Vue); stateMixin(Vue); eventsMixin(Vue); lifecycleMixin(Vue); renderMixin(Vue);
/* */
function initUse (Vue) {
Vue.use = function (plugin) {
var installedPlugins = (this._installedPlugins || (this._installedPlugins = []));
if (installedPlugins.indexOf(plugin) > -1) {
return this
}
// additional parameters
var args = toArray(arguments, 1);
args.unshift(this);
if (typeof plugin.install === 'function') {
plugin.install.apply(plugin, args);
} else if (typeof plugin === 'function') {
plugin.apply(null, args);
}
installedPlugins.push(plugin);
return this
};
}
/* */
function initMixin$1 (Vue) {
Vue.mixin = function (mixin) {
this.options = mergeOptions(this.options, mixin);
return this
};
}
/* */
function initExtend (Vue) {
/** * Each instance constructor, including Vue, has a unique * cid. This enables us to create wrapped "child * constructors" for prototypal inheritance and cache them. */ Vue.cid = 0; var cid = 1;
/**
* Class inheritance
*/
Vue.extend = function (extendOptions) {
extendOptions = extendOptions || {};
var Super = this;
var SuperId = Super.cid;
var cachedCtors = extendOptions._Ctor || (extendOptions._Ctor = {});
if (cachedCtors[SuperId]) {
return cachedCtors[SuperId]
}
var name = extendOptions.name || Super.options.name;
if ("development" !== 'production' && name) {
validateComponentName(name);
}
var Sub = function VueComponent (options) {
this._init(options);
};
Sub.prototype = Object.create(Super.prototype);
Sub.prototype.constructor = Sub;
Sub.cid = cid++;
Sub.options = mergeOptions(
Super.options,
extendOptions
);
Sub['super'] = Super;
// For props and computed properties, we define the proxy getters on
// the Vue instances at extension time, on the extended prototype. This
// avoids Object.defineProperty calls for each instance created.
if (Sub.options.props) {
initProps$1(Sub);
}
if (Sub.options.computed) {
initComputed$1(Sub);
}
// allow further extension/mixin/plugin usage Sub.extend = Super.extend; Sub.mixin = Super.mixin; Sub.use = Super.use;
// create asset registers, so extended classes
// can have their private assets too.
ASSET_TYPES.forEach(function (type) {
Sub[type] = Super[type];
});
// enable recursive self-lookup
if (name) {
Sub.options.components[name] = Sub;
}
// keep a reference to the super options at extension time.
// later at instantiation we can check if Super's options have
// been updated.
Sub.superOptions = Super.options;
Sub.extendOptions = extendOptions;
Sub.sealedOptions = extend({}, Sub.options);
// cache constructor cachedCtors[SuperId] = Sub; return Sub };
}
function initProps$1 (Comp) {
var props = Comp.options.props;
for (var key in props) {
proxy(Comp.prototype, "_props", key);
}
}
function initComputed$1 (Comp) {
var computed = Comp.options.computed;
for (var key in computed) {
defineComputed(Comp.prototype, key, computed[key]);
}
}
/* */
function initAssetRegisters (Vue) {
/**
* Create asset registration methods.
*/
ASSET_TYPES.forEach(function (type) {
Vue[type] = function (
id,
definition
) {
if (!definition) {
return this.options[type + 's'][id]
} else {
/* istanbul ignore if */
if ("development" !== 'production' && type === 'component') {
validateComponentName(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
}
};
});
}
/* */
function getComponentName (opts) {
return opts && (opts.Ctor.options.name || opts.tag)
}
function matches (pattern, name) {
if (Array.isArray(pattern)) {
return pattern.indexOf(name) > -1
} else if (typeof pattern === 'string') {
return pattern.split(',').indexOf(name) > -1
} else if (isRegExp(pattern)) {
return pattern.test(name)
}
/* istanbul ignore next */
return false
}
function pruneCache (keepAliveInstance, filter) {
var cache = keepAliveInstance.cache;
var keys = keepAliveInstance.keys;
var _vnode = keepAliveInstance._vnode;
for (var key in cache) {
var cachedNode = cache[key];
if (cachedNode) {
var name = getComponentName(cachedNode.componentOptions);
if (name && !filter(name)) {
pruneCacheEntry(cache, key, keys, _vnode);
}
}
}
}
function pruneCacheEntry (
cache, key, keys, current
) {
var cached$$1 = cache[key];
if (cached$$1 && (!current || cached$$1.tag !== current.tag)) {
cached$$1.componentInstance.$destroy();
}
cache[key] = null;
remove(keys, key);
}
var patternTypes = [String, RegExp, Array];
var KeepAlive = {
name: 'keep-alive', abstract: true,
props: {
include: patternTypes,
exclude: patternTypes,
max: [String, Number]
},
created: function created () {
this.cache = Object.create(null);
this.keys = [];
},
destroyed: function destroyed () {
var this$1 = this;
for (var key in this$1.cache) {
pruneCacheEntry(this$1.cache, key, this$1.keys);
}
},
mounted: function mounted () {
var this$1 = this;
this.$watch('include', function (val) {
pruneCache(this$1, function (name) { return matches(val, name); });
});
this.$watch('exclude', function (val) {
pruneCache(this$1, function (name) { return !matches(val, name); });
});
},
render: function render () {
var slot = this.$slots.default;
var vnode = getFirstComponentChild(slot);
var componentOptions = vnode && vnode.componentOptions;
if (componentOptions) {
// check pattern
var name = getComponentName(componentOptions);
var ref = this;
var include = ref.include;
var exclude = ref.exclude;
if (
// not included
(include && (!name || !matches(include, name))) ||
// excluded
(exclude && name && matches(exclude, name))
) {
return vnode
}
var ref$1 = this;
var cache = ref$1.cache;
var keys = ref$1.keys;
var key = vnode.key == null
// same constructor may get registered as different local components
// so cid alone is not enough (#3269)
? componentOptions.Ctor.cid + (componentOptions.tag ? ("::" + (componentOptions.tag)) : )
: vnode.key;
if (cache[key]) {
vnode.componentInstance = cache[key].componentInstance;
// make current key freshest
remove(keys, key);
keys.push(key);
} else {
cache[key] = vnode;
keys.push(key);
// prune oldest entry
if (this.max && keys.length > parseInt(this.max)) {
pruneCacheEntry(cache, keys[0], keys, this._vnode);
}
}
vnode.data.keepAlive = true; } return vnode || (slot && slot[0]) }
}
var builtInComponents = {
KeepAlive: KeepAlive
}
/* */
function initGlobalAPI (Vue) {
// config
var configDef = {};
configDef.get = function () { return config; };
{
configDef.set = function () {
warn(
'Do not replace the Vue.config object, set individual fields instead.'
);
};
}
Object.defineProperty(Vue, 'config', configDef);
// exposed util methods.
// NOTE: these are not considered part of the public API - avoid relying on
// them unless you are aware of the risk.
Vue.util = {
warn: warn,
extend: extend,
mergeOptions: mergeOptions,
defineReactive: defineReactive
};
Vue.set = set; Vue.delete = del; Vue.nextTick = nextTick;
Vue.options = Object.create(null);
ASSET_TYPES.forEach(function (type) {
Vue.options[type + 's'] = Object.create(null);
});
// this is used to identify the "base" constructor to extend all plain-object // components with in Weex's multi-instance scenarios. Vue.options._base = Vue;
extend(Vue.options.components, builtInComponents);
initUse(Vue); initMixin$1(Vue); initExtend(Vue); initAssetRegisters(Vue);
}
initGlobalAPI(Vue);
Object.defineProperty(Vue.prototype, '$isServer', {
get: isServerRendering
});
Object.defineProperty(Vue.prototype, '$ssrContext', {
get: function get () {
/* istanbul ignore next */
return this.$vnode && this.$vnode.ssrContext
}
});
// expose FunctionalRenderContext for ssr runtime helper installation Object.defineProperty(Vue, 'FunctionalRenderContext', {
value: FunctionalRenderContext
});
Vue.version = '2.5.17';
/* */
// these are reserved for web because they are directly compiled away // during template compilation var isReservedAttr = makeMap('style,class');
// attributes that should be using props for binding var acceptValue = makeMap('input,textarea,option,select,progress'); var mustUseProp = function (tag, type, attr) {
return ( (attr === 'value' && acceptValue(tag)) && type !== 'button' || (attr === 'selected' && tag === 'option') || (attr === 'checked' && tag === 'input') || (attr === 'muted' && tag === 'video') )
};
var isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck');
var isBooleanAttr = makeMap(
'allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,' + 'default,defaultchecked,defaultmuted,defaultselected,defer,disabled,' + 'enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,' + 'muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,' + 'required,reversed,scoped,seamless,selected,sortable,translate,' + 'truespeed,typemustmatch,visible'
);
var xlinkNS = 'http://www.w3.org/1999/xlink';
var isXlink = function (name) {
return name.charAt(5) === ':' && name.slice(0, 5) === 'xlink'
};
var getXlinkProp = function (name) {
return isXlink(name) ? name.slice(6, name.length) :
};
var isFalsyAttrValue = function (val) {
return val == null || val === false
};
/* */
function genClassForVnode (vnode) {
var data = vnode.data;
var parentNode = vnode;
var childNode = vnode;
while (isDef(childNode.componentInstance)) {
childNode = childNode.componentInstance._vnode;
if (childNode && childNode.data) {
data = mergeClassData(childNode.data, data);
}
}
while (isDef(parentNode = parentNode.parent)) {
if (parentNode && parentNode.data) {
data = mergeClassData(data, parentNode.data);
}
}
return renderClass(data.staticClass, data.class)
}
function mergeClassData (child, parent) {
return {
staticClass: concat(child.staticClass, parent.staticClass),
class: isDef(child.class)
? [child.class, parent.class]
: parent.class
}
}
function renderClass (
staticClass, dynamicClass
) {
if (isDef(staticClass) || isDef(dynamicClass)) {
return concat(staticClass, stringifyClass(dynamicClass))
}
/* istanbul ignore next */
return
}
function concat (a, b) {
return a ? b ? (a + ' ' + b) : a : (b || )
}
function stringifyClass (value) {
if (Array.isArray(value)) {
return stringifyArray(value)
}
if (isObject(value)) {
return stringifyObject(value)
}
if (typeof value === 'string') {
return value
}
/* istanbul ignore next */
return
}
function stringifyArray (value) {
var res = ;
var stringified;
for (var i = 0, l = value.length; i < l; i++) {
if (isDef(stringified = stringifyClass(value[i])) && stringified !== ) {
if (res) { res += ' '; }
res += stringified;
}
}
return res
}
function stringifyObject (value) {
var res = ;
for (var key in value) {
if (value[key]) {
if (res) { res += ' '; }
res += key;
}
}
return res
}
/* */
var namespaceMap = {
svg: 'http://www.w3.org/2000/svg', math: 'http://www.w3.org/1998/Math/MathML'
};
var isHTMLTag = makeMap(
'html,body,base,head,link,meta,style,title,' + 'address,article,aside,footer,header,h1,h2,h3,h4,h5,h6,hgroup,nav,section,' + 'div,dd,dl,dt,figcaption,figure,picture,hr,img,li,main,ol,p,pre,ul,' + 'a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,rtc,ruby,' + 's,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,video,' + 'embed,object,param,source,canvas,script,noscript,del,ins,' + 'caption,col,colgroup,table,thead,tbody,td,th,tr,' + 'button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,' + 'output,progress,select,textarea,' + 'details,dialog,menu,menuitem,summary,' + 'content,element,shadow,template,blockquote,iframe,tfoot'
);
// this map is intentionally selective, only covering SVG elements that may // contain child elements. var isSVG = makeMap(
'svg,animate,circle,clippath,cursor,defs,desc,ellipse,filter,font-face,' + 'foreignObject,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' + 'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view', true
);
var isPreTag = function (tag) { return tag === 'pre'; };
var isReservedTag = function (tag) {
return isHTMLTag(tag) || isSVG(tag)
};
function getTagNamespace (tag) {
if (isSVG(tag)) {
return 'svg'
}
// basic support for MathML
// note it doesn't support other MathML elements being component roots
if (tag === 'math') {
return 'math'
}
}
var unknownElementCache = Object.create(null); function isUnknownElement (tag) {
/* istanbul ignore if */
if (!inBrowser) {
return true
}
if (isReservedTag(tag)) {
return false
}
tag = tag.toLowerCase();
/* istanbul ignore if */
if (unknownElementCache[tag] != null) {
return unknownElementCache[tag]
}
var el = document.createElement(tag);
if (tag.indexOf('-') > -1) {
// http://stackoverflow.com/a/28210364/1070244
return (unknownElementCache[tag] = (
el.constructor === window.HTMLUnknownElement ||
el.constructor === window.HTMLElement
))
} else {
return (unknownElementCache[tag] = /HTMLUnknownElement/.test(el.toString()))
}
}
var isTextInputType = makeMap('text,number,password,search,email,tel,url');
/* */
/**
* Query an element selector if it's not an element already. */
function query (el) {
if (typeof el === 'string') {
var selected = document.querySelector(el);
if (!selected) {
"development" !== 'production' && warn(
'Cannot find element: ' + el
);
return document.createElement('div')
}
return selected
} else {
return el
}
}
/* */
function createElement$1 (tagName, vnode) {
var elm = document.createElement(tagName);
if (tagName !== 'select') {
return elm
}
// false or null will remove the attribute but undefined will not
if (vnode.data && vnode.data.attrs && vnode.data.attrs.multiple !== undefined) {
elm.setAttribute('multiple', 'multiple');
}
return elm
}
function createElementNS (namespace, tagName) {
return document.createElementNS(namespaceMap[namespace], tagName)
}
function createTextNode (text) {
return document.createTextNode(text)
}
function createComment (text) {
return document.createComment(text)
}
function insertBefore (parentNode, newNode, referenceNode) {
parentNode.insertBefore(newNode, referenceNode);
}
function removeChild (node, child) {
node.removeChild(child);
}
function appendChild (node, child) {
node.appendChild(child);
}
function parentNode (node) {
return node.parentNode
}
function nextSibling (node) {
return node.nextSibling
}
function tagName (node) {
return node.tagName
}
function setTextContent (node, text) {
node.textContent = text;
}
function setStyleScope (node, scopeId) {
node.setAttribute(scopeId, );
}
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,
setStyleScope: setStyleScope
});
/* */
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 (!isDef(key)) { return }
var vm = vnode.context;
var ref = vnode.componentInstance || vnode.elm;
var refs = vm.$refs;
if (isRemoval) {
if (Array.isArray(refs[key])) {
remove(refs[key], ref);
} else if (refs[key] === ref) {
refs[key] = undefined;
}
} else {
if (vnode.data.refInFor) {
if (!Array.isArray(refs[key])) {
refs[key] = [ref];
} else if (refs[key].indexOf(ref) < 0) {
// $flow-disable-line
refs[key].push(ref);
}
} else {
refs[key] = ref;
}
}
}
/**
* Virtual DOM patching algorithm based on Snabbdom by * Simon Friis Vindum (@paldepind) * Licensed under the MIT License * https://github.com/paldepind/snabbdom/blob/master/LICENSE * * modified by Evan You (@yyx990803) * * Not type-checking this because this file is perf-critical and the cost * of making flow understand it is not worth it. */
var emptyNode = new VNode(, {}, []);
var hooks = ['create', 'activate', 'update', 'remove', 'destroy'];
function sameVnode (a, b) {
return (
a.key === b.key && (
(
a.tag === b.tag &&
a.isComment === b.isComment &&
isDef(a.data) === isDef(b.data) &&
sameInputType(a, b)
) || (
isTrue(a.isAsyncPlaceholder) &&
a.asyncFactory === b.asyncFactory &&
isUndef(b.asyncFactory.error)
)
)
)
}
function sameInputType (a, b) {
if (a.tag !== 'input') { return true }
var i;
var typeA = isDef(i = a.data) && isDef(i = i.attrs) && i.type;
var typeB = isDef(i = b.data) && isDef(i = i.attrs) && i.type;
return typeA === typeB || isTextInputType(typeA) && isTextInputType(typeB)
}
function createKeyToOldIdx (children, beginIdx, endIdx) {
var i, key;
var map = {};
for (i = beginIdx; i <= endIdx; ++i) {
key = children[i].key;
if (isDef(key)) { map[key] = i; }
}
return map
}
function createPatchFunction (backend) {
var i, j;
var cbs = {};
var modules = backend.modules; var nodeOps = backend.nodeOps;
for (i = 0; i < hooks.length; ++i) {
cbs[hooks[i]] = [];
for (j = 0; j < modules.length; ++j) {
if (isDef(modules[j][hooks[i]])) {
cbs[hooks[i]].push(modules[j][hooks[i]]);
}
}
}
function emptyNodeAt (elm) {
return new VNode(nodeOps.tagName(elm).toLowerCase(), {}, [], undefined, elm)
}
function createRmCb (childElm, listeners) {
function remove () {
if (--remove.listeners === 0) {
removeNode(childElm);
}
}
remove.listeners = listeners;
return remove
}
function removeNode (el) {
var parent = nodeOps.parentNode(el);
// element may have already been removed due to v-html / v-text
if (isDef(parent)) {
nodeOps.removeChild(parent, el);
}
}
function isUnknownElement$$1 (vnode, inVPre) {
return (
!inVPre &&
!vnode.ns &&
!(
config.ignoredElements.length &&
config.ignoredElements.some(function (ignore) {
return isRegExp(ignore)
? ignore.test(vnode.tag)
: ignore === vnode.tag
})
) &&
config.isUnknownElement(vnode.tag)
)
}
var creatingElmInVPre = 0;
function createElm (
vnode,
insertedVnodeQueue,
parentElm,
refElm,
nested,
ownerArray,
index
) {
if (isDef(vnode.elm) && isDef(ownerArray)) {
// This vnode was used in a previous render!
// now it's used as a new node, overwriting its elm would cause
// potential patch errors down the road when it's used as an insertion
// reference node. Instead, we clone the node on-demand before creating
// associated DOM element for it.
vnode = ownerArray[index] = cloneVNode(vnode);
}
vnode.isRootInsert = !nested; // for transition enter check
if (createComponent(vnode, insertedVnodeQueue, parentElm, refElm)) {
return
}
var data = vnode.data;
var children = vnode.children;
var tag = vnode.tag;
if (isDef(tag)) {
{
if (data && data.pre) {
creatingElmInVPre++;
}
if (isUnknownElement$$1(vnode, creatingElmInVPre)) {
warn(
'Unknown custom element: <' + tag + '> - did you ' +
'register the component correctly? For recursive components, ' +
'make sure to provide the "name" option.',
vnode.context
);
}
}
vnode.elm = vnode.ns
? nodeOps.createElementNS(vnode.ns, tag)
: nodeOps.createElement(tag, vnode);
setScope(vnode);
/* istanbul ignore if */
{
createChildren(vnode, children, insertedVnodeQueue);
if (isDef(data)) {
invokeCreateHooks(vnode, insertedVnodeQueue);
}
insert(parentElm, vnode.elm, refElm);
}
if ("development" !== 'production' && data && data.pre) {
creatingElmInVPre--;
}
} else if (isTrue(vnode.isComment)) {
vnode.elm = nodeOps.createComment(vnode.text);
insert(parentElm, vnode.elm, refElm);
} else {
vnode.elm = nodeOps.createTextNode(vnode.text);
insert(parentElm, vnode.elm, refElm);
}
}
function createComponent (vnode, insertedVnodeQueue, parentElm, refElm) {
var i = vnode.data;
if (isDef(i)) {
var isReactivated = isDef(vnode.componentInstance) && i.keepAlive;
if (isDef(i = i.hook) && isDef(i = i.init)) {
i(vnode, false /* hydrating */, parentElm, refElm);
}
// after calling the init hook, if the vnode is a child component
// it should've created a child instance and mounted it. the child
// component also has set the placeholder vnode's elm.
// in that case we can just return the element and be done.
if (isDef(vnode.componentInstance)) {
initComponent(vnode, insertedVnodeQueue);
if (isTrue(isReactivated)) {
reactivateComponent(vnode, insertedVnodeQueue, parentElm, refElm);
}
return true
}
}
}
function initComponent (vnode, insertedVnodeQueue) {
if (isDef(vnode.data.pendingInsert)) {
insertedVnodeQueue.push.apply(insertedVnodeQueue, vnode.data.pendingInsert);
vnode.data.pendingInsert = null;
}
vnode.elm = vnode.componentInstance.$el;
if (isPatchable(vnode)) {
invokeCreateHooks(vnode, insertedVnodeQueue);
setScope(vnode);
} else {
// empty component root.
// skip all element-related modules except for ref (#3455)
registerRef(vnode);
// make sure to invoke the insert hook
insertedVnodeQueue.push(vnode);
}
}
function reactivateComponent (vnode, insertedVnodeQueue, parentElm, refElm) {
var i;
// hack for #4339: a reactivated component with inner transition
// does not trigger because the inner node's created hooks are not called
// again. It's not ideal to involve module-specific logic in here but
// there doesn't seem to be a better way to do it.
var innerNode = vnode;
while (innerNode.componentInstance) {
innerNode = innerNode.componentInstance._vnode;
if (isDef(i = innerNode.data) && isDef(i = i.transition)) {
for (i = 0; i < cbs.activate.length; ++i) {
cbs.activate[i](emptyNode, innerNode);
}
insertedVnodeQueue.push(innerNode);
break
}
}
// unlike a newly created component,
// a reactivated keep-alive component doesn't insert itself
insert(parentElm, vnode.elm, refElm);
}
function insert (parent, elm, ref$$1) {
if (isDef(parent)) {
if (isDef(ref$$1)) {
if (ref$$1.parentNode === parent) {
nodeOps.insertBefore(parent, elm, ref$$1);
}
} else {
nodeOps.appendChild(parent, elm);
}
}
}
function createChildren (vnode, children, insertedVnodeQueue) {
if (Array.isArray(children)) {
{
checkDuplicateKeys(children);
}
for (var i = 0; i < children.length; ++i) {
createElm(children[i], insertedVnodeQueue, vnode.elm, null, true, children, i);
}
} else if (isPrimitive(vnode.text)) {
nodeOps.appendChild(vnode.elm, nodeOps.createTextNode(String(vnode.text)));
}
}
function isPatchable (vnode) {
while (vnode.componentInstance) {
vnode = vnode.componentInstance._vnode;
}
return isDef(vnode.tag)
}
function invokeCreateHooks (vnode, insertedVnodeQueue) {
for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {
cbs.create[i$1](emptyNode, vnode);
}
i = vnode.data.hook; // Reuse variable
if (isDef(i)) {
if (isDef(i.create)) { i.create(emptyNode, vnode); }
if (isDef(i.insert)) { insertedVnodeQueue.push(vnode); }
}
}
// set scope id attribute for scoped CSS.
// this is implemented as a special case to avoid the overhead
// of going through the normal attribute patching process.
function setScope (vnode) {
var i;
if (isDef(i = vnode.fnScopeId)) {
nodeOps.setStyleScope(vnode.elm, i);
} else {
var ancestor = vnode;
while (ancestor) {
if (isDef(i = ancestor.context) && isDef(i = i.$options._scopeId)) {
nodeOps.setStyleScope(vnode.elm, i);
}
ancestor = ancestor.parent;
}
}
// for slot content they should also get the scopeId from the host instance.
if (isDef(i = activeInstance) &&
i !== vnode.context &&
i !== vnode.fnContext &&
isDef(i = i.$options._scopeId)
) {
nodeOps.setStyleScope(vnode.elm, i);
}
}
function addVnodes (parentElm, refElm, vnodes, startIdx, endIdx, insertedVnodeQueue) {
for (; startIdx <= endIdx; ++startIdx) {
createElm(vnodes[startIdx], insertedVnodeQueue, parentElm, refElm, false, vnodes, startIdx);
}
}
function invokeDestroyHook (vnode) {
var i, j;
var data = vnode.data;
if (isDef(data)) {
if (isDef(i = data.hook) && isDef(i = i.destroy)) { i(vnode); }
for (i = 0; i < cbs.destroy.length; ++i) { cbs.destroy[i](vnode); }
}
if (isDef(i = vnode.children)) {
for (j = 0; j < vnode.children.length; ++j) {
invokeDestroyHook(vnode.children[j]);
}
}
}
function removeVnodes (parentElm, vnodes, startIdx, endIdx) {
for (; startIdx <= endIdx; ++startIdx) {
var ch = vnodes[startIdx];
if (isDef(ch)) {
if (isDef(ch.tag)) {
removeAndInvokeRemoveHook(ch);
invokeDestroyHook(ch);
} else { // Text node
removeNode(ch.elm);
}
}
}
}
function removeAndInvokeRemoveHook (vnode, rm) {
if (isDef(rm) || isDef(vnode.data)) {
var i;
var listeners = cbs.remove.length + 1;
if (isDef(rm)) {
// we have a recursively passed down rm callback
// increase the listeners count
rm.listeners += listeners;
} else {
// directly removing
rm = createRmCb(vnode.elm, listeners);
}
// recursively invoke hooks on child component root node
if (isDef(i = vnode.componentInstance) && isDef(i = i._vnode) && isDef(i.data)) {
removeAndInvokeRemoveHook(i, rm);
}
for (i = 0; i < cbs.remove.length; ++i) {
cbs.remove[i](vnode, rm);
}
if (isDef(i = vnode.data.hook) && isDef(i = i.remove)) {
i(vnode, rm);
} else {
rm();
}
} else {
removeNode(vnode.elm);
}
}
function updateChildren (parentElm, oldCh, newCh, insertedVnodeQueue, removeOnly) {
var oldStartIdx = 0;
var newStartIdx = 0;
var oldEndIdx = oldCh.length - 1;
var oldStartVnode = oldCh[0];
var oldEndVnode = oldCh[oldEndIdx];
var newEndIdx = newCh.length - 1;
var newStartVnode = newCh[0];
var newEndVnode = newCh[newEndIdx];
var oldKeyToIdx, idxInOld, vnodeToMove, 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;
{
checkDuplicateKeys(newCh);
}
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]
: findIdxInOld(newStartVnode, oldCh, oldStartIdx, oldEndIdx);
if (isUndef(idxInOld)) { // New element
createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm, false, newCh, newStartIdx);
} else {
vnodeToMove = oldCh[idxInOld];
if (sameVnode(vnodeToMove, newStartVnode)) {
patchVnode(vnodeToMove, newStartVnode, insertedVnodeQueue);
oldCh[idxInOld] = undefined;
canMove && nodeOps.insertBefore(parentElm, vnodeToMove.elm, oldStartVnode.elm);
} else {
// same key but different element. treat as new element
createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm, false, newCh, newStartIdx);
}
}
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 checkDuplicateKeys (children) {
var seenKeys = {};
for (var i = 0; i < children.length; i++) {
var vnode = children[i];
var key = vnode.key;
if (isDef(key)) {
if (seenKeys[key]) {
warn(
("Duplicate keys detected: '" + key + "'. This may cause an update error."),
vnode.context
);
} else {
seenKeys[key] = true;
}
}
}
}
function findIdxInOld (node, oldCh, start, end) {
for (var i = start; i < end; i++) {
var c = oldCh[i];
if (isDef(c) && sameVnode(node, c)) { return i }
}
}
function patchVnode (oldVnode, vnode, insertedVnodeQueue, removeOnly) {
if (oldVnode === vnode) {
return
}
var elm = vnode.elm = oldVnode.elm;
if (isTrue(oldVnode.isAsyncPlaceholder)) {
if (isDef(vnode.asyncFactory.resolved)) {
hydrate(oldVnode.elm, vnode, insertedVnodeQueue);
} else {
vnode.isAsyncPlaceholder = true;
}
return
}
// reuse element for static trees.
// note we only do this if the vnode is cloned -
// if the new node is not cloned it means the render functions have been
// reset by the hot-reload-api and we need to do a proper re-render.
if (isTrue(vnode.isStatic) &&
isTrue(oldVnode.isStatic) &&
vnode.key === oldVnode.key &&
(isTrue(vnode.isCloned) || isTrue(vnode.isOnce))
) {
vnode.componentInstance = oldVnode.componentInstance;
return
}
var i;
var data = vnode.data;
if (isDef(data) && isDef(i = data.hook) && isDef(i = i.prepatch)) {
i(oldVnode, vnode);
}
var oldCh = oldVnode.children;
var ch = vnode.children;
if (isDef(data) && isPatchable(vnode)) {
for (i = 0; i < cbs.update.length; ++i) { cbs.update[i](oldVnode, vnode); }
if (isDef(i = data.hook) && isDef(i = i.update)) { i(oldVnode, vnode); }
}
if (isUndef(vnode.text)) {
if (isDef(oldCh) && isDef(ch)) {
if (oldCh !== ch) { updateChildren(elm, oldCh, ch, insertedVnodeQueue, removeOnly); }
} else if (isDef(ch)) {
if (isDef(oldVnode.text)) { nodeOps.setTextContent(elm, ); }
addVnodes(elm, null, ch, 0, ch.length - 1, insertedVnodeQueue);
} else if (isDef(oldCh)) {
removeVnodes(elm, oldCh, 0, oldCh.length - 1);
} else if (isDef(oldVnode.text)) {
nodeOps.setTextContent(elm, );
}
} else if (oldVnode.text !== vnode.text) {
nodeOps.setTextContent(elm, vnode.text);
}
if (isDef(data)) {
if (isDef(i = data.hook) && isDef(i = i.postpatch)) { i(oldVnode, vnode); }
}
}
function invokeInsertHook (vnode, queue, initial) {
// delay insert hooks for component root nodes, invoke them after the
// element is really inserted
if (isTrue(initial) && isDef(vnode.parent)) {
vnode.parent.data.pendingInsert = queue;
} else {
for (var i = 0; i < queue.length; ++i) {
queue[i].data.hook.insert(queue[i]);
}
}
}
var hydrationBailed = false;
// list of modules that can skip create hook during hydration because they
// are already rendered on the client or has no need for initialization
// Note: style is excluded because it relies on initial clone for future
// deep updates (#7063).
var isRenderedModule = makeMap('attrs,class,staticClass,staticStyle,key');
// Note: this is a browser-only function so we can assume elms are DOM nodes.
function hydrate (elm, vnode, insertedVnodeQueue, inVPre) {
var i;
var tag = vnode.tag;
var data = vnode.data;
var children = vnode.children;
inVPre = inVPre || (data && data.pre);
vnode.elm = elm;
if (isTrue(vnode.isComment) && isDef(vnode.asyncFactory)) {
vnode.isAsyncPlaceholder = true;
return true
}
// assert node match
{
if (!assertNodeMatch(elm, vnode, inVPre)) {
return false
}
}
if (isDef(data)) {
if (isDef(i = data.hook) && isDef(i = i.init)) { i(vnode, true /* hydrating */); }
if (isDef(i = vnode.componentInstance)) {
// child component. it should have hydrated its own tree.
initComponent(vnode, insertedVnodeQueue);
return true
}
}
if (isDef(tag)) {
if (isDef(children)) {
// empty element, allow client to pick up and populate children
if (!elm.hasChildNodes()) {
createChildren(vnode, children, insertedVnodeQueue);
} else {
// v-html and domProps: innerHTML
if (isDef(i = data) && isDef(i = i.domProps) && isDef(i = i.innerHTML)) {
if (i !== elm.innerHTML) {
/* istanbul ignore if */
if ("development" !== 'production' &&
typeof console !== 'undefined' &&
!hydrationBailed
) {
hydrationBailed = true;
console.warn('Parent: ', elm);
console.warn('server innerHTML: ', i);
console.warn('client innerHTML: ', elm.innerHTML);
}
return false
}
} else {
// iterate and compare children lists
var childrenMatch = true;
var childNode = elm.firstChild;
for (var i$1 = 0; i$1 < children.length; i$1++) {
if (!childNode || !hydrate(childNode, children[i$1], insertedVnodeQueue, inVPre)) {
childrenMatch = false;
break
}
childNode = childNode.nextSibling;
}
// if childNode is not null, it means the actual childNodes list is
// longer than the virtual children list.
if (!childrenMatch || childNode) {
/* istanbul ignore if */
if ("development" !== 'production' &&
typeof console !== 'undefined' &&
!hydrationBailed
) {
hydrationBailed = true;
console.warn('Parent: ', elm);
console.warn('Mismatching childNodes vs. VNodes: ', elm.childNodes, children);
}
return false
}
}
}
}
if (isDef(data)) {
var fullInvoke = false;
for (var key in data) {
if (!isRenderedModule(key)) {
fullInvoke = true;
invokeCreateHooks(vnode, insertedVnodeQueue);
break
}
}
if (!fullInvoke && data['class']) {
// ensure collecting deps for deep class bindings for future updates
traverse(data['class']);
}
}
} else if (elm.data !== vnode.text) {
elm.data = vnode.text;
}
return true
}
function assertNodeMatch (node, vnode, inVPre) {
if (isDef(vnode.tag)) {
return vnode.tag.indexOf('vue-component') === 0 || (
!isUnknownElement$$1(vnode, inVPre) &&
vnode.tag.toLowerCase() === (node.tagName && node.tagName.toLowerCase())
)
} else {
return node.nodeType === (vnode.isComment ? 8 : 3)
}
}
return function patch (oldVnode, vnode, hydrating, removeOnly, parentElm, refElm) {
if (isUndef(vnode)) {
if (isDef(oldVnode)) { invokeDestroyHook(oldVnode); }
return
}
var isInitialPatch = false; var insertedVnodeQueue = [];
if (isUndef(oldVnode)) {
// empty mount (likely as component), create new root element
isInitialPatch = true;
createElm(vnode, insertedVnodeQueue, parentElm, refElm);
} else {
var isRealElement = isDef(oldVnode.nodeType);
if (!isRealElement && sameVnode(oldVnode, vnode)) {
// patch existing root node
patchVnode(oldVnode, vnode, insertedVnodeQueue, removeOnly);
} else {
if (isRealElement) {
// mounting to a real element
// check if this is server-rendered content and if we can perform
// a successful hydration.
if (oldVnode.nodeType === 1 && oldVnode.hasAttribute(SSR_ATTR)) {
oldVnode.removeAttribute(SSR_ATTR);
hydrating = true;
}
if (isTrue(hydrating)) {
if (hydrate(oldVnode, vnode, insertedVnodeQueue)) {
invokeInsertHook(vnode, insertedVnodeQueue, true);
return oldVnode
} else {
warn(
'The client-side rendered virtual DOM tree is not matching ' +
'server-rendered content. This is likely caused by incorrect ' +
'HTML markup, for example nesting block-level elements inside ' +
', or missing <tbody>. Bailing hydration and performing ' + 'full client-side render.' ); } } // either not server-rendered, or hydration failed. // create an empty node and replace it oldVnode = emptyNodeAt(oldVnode); } // replacing existing element var oldElm = oldVnode.elm; var parentElm$1 = nodeOps.parentNode(oldElm); // create new node createElm( vnode, insertedVnodeQueue, // extremely rare edge case: do not insert if old element is in a // leaving transition. Only happens when combining transition + // keep-alive + HOCs. (#4590) oldElm._leaveCb ? null : parentElm$1, nodeOps.nextSibling(oldElm) ); // update parent placeholder node element, recursively if (isDef(vnode.parent)) { var ancestor = vnode.parent; var patchable = isPatchable(vnode); while (ancestor) { for (var i = 0; i < cbs.destroy.length; ++i) { cbs.destroy[i](ancestor); } ancestor.elm = vnode.elm; if (patchable) { for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) { cbs.create[i$1](emptyNode, ancestor); } // #6513 // invoke insert hooks that may have been merged by create hooks. // e.g. for directives that uses the "inserted" hook. var insert = ancestor.data.hook.insert; if (insert.merged) { // start at index 1 to avoid re-invoking component mounted hook for (var i$2 = 1; i$2 < insert.fns.length; i$2++) { insert.fns[i$2](); } } } else { registerRef(ancestor); } ancestor = ancestor.parent; } } // destroy old node if (isDef(parentElm$1)) { removeVnodes(parentElm$1, [oldVnode], 0, 0); } else if (isDef(oldVnode.tag)) { invokeDestroyHook(oldVnode); } } } invokeInsertHook(vnode, insertedVnodeQueue, isInitialPatch); return vnode.elm } } /* */ var directives = { create: updateDirectives, update: updateDirectives, destroy: function unbindDirectives (vnode) { updateDirectives(vnode, emptyNode); } } function updateDirectives (oldVnode, vnode) { if (oldVnode.data.directives || vnode.data.directives) { _update(oldVnode, vnode); } } function _update (oldVnode, vnode) { var isCreate = oldVnode === emptyNode; var isDestroy = vnode === emptyNode; var oldDirs = normalizeDirectives$1(oldVnode.data.directives, oldVnode.context); var newDirs = normalizeDirectives$1(vnode.data.directives, vnode.context); var dirsWithInsert = []; var dirsWithPostpatch = []; var key, oldDir, dir; for (key in newDirs) { oldDir = oldDirs[key]; dir = newDirs[key]; if (!oldDir) { // new directive, bind callHook$1(dir, 'bind', vnode, oldVnode); if (dir.def && dir.def.inserted) { dirsWithInsert.push(dir); } } else { // existing directive, update dir.oldValue = oldDir.value; callHook$1(dir, 'update', vnode, oldVnode); if (dir.def && dir.def.componentUpdated) { dirsWithPostpatch.push(dir); } } } if (dirsWithInsert.length) { var callInsert = function () { for (var i = 0; i < dirsWithInsert.length; i++) { callHook$1(dirsWithInsert[i], 'inserted', vnode, oldVnode); } }; if (isCreate) { mergeVNodeHook(vnode, 'insert', callInsert); } else { callInsert(); } } if (dirsWithPostpatch.length) { mergeVNodeHook(vnode, 'postpatch', function () { for (var i = 0; i < dirsWithPostpatch.length; i++) { callHook$1(dirsWithPostpatch[i], 'componentUpdated', vnode, oldVnode); } }); } if (!isCreate) { for (key in oldDirs) { if (!newDirs[key]) { // no longer present, unbind callHook$1(oldDirs[key], 'unbind', oldVnode, oldVnode, isDestroy); } } } } var emptyModifiers = Object.create(null); function normalizeDirectives$1 ( dirs, vm ) { var res = Object.create(null); if (!dirs) { // $flow-disable-line return res } var i, dir; for (i = 0; i < dirs.length; i++) { dir = dirs[i]; if (!dir.modifiers) { // $flow-disable-line dir.modifiers = emptyModifiers; } res[getRawDirName(dir)] = dir; dir.def = resolveAsset(vm.$options, 'directives', dir.name, true); } // $flow-disable-line return res } function getRawDirName (dir) { return dir.rawName || ((dir.name) + "." + (Object.keys(dir.modifiers || {}).join('.'))) } function callHook$1 (dir, hook, vnode, oldVnode, isDestroy) { var fn = dir.def && dir.def[hook]; if (fn) { try { fn(vnode.elm, dir, vnode, oldVnode, isDestroy); } catch (e) { handleError(e, vnode.context, ("directive " + (dir.name) + " " + hook + " hook")); } } } var baseModules = [ ref, directives ] /* */ function updateAttrs (oldVnode, vnode) { var opts = vnode.componentOptions; if (isDef(opts) && opts.Ctor.options.inheritAttrs === false) { return } if (isUndef(oldVnode.data.attrs) && isUndef(vnode.data.attrs)) { return } var key, cur, old; var elm = vnode.elm; var oldAttrs = oldVnode.data.attrs || {}; var attrs = vnode.data.attrs || {}; // clone observed objects, as the user probably wants to mutate it if (isDef(attrs.__ob__)) { attrs = vnode.data.attrs = extend({}, attrs); } for (key in attrs) { cur = attrs[key]; old = oldAttrs[key]; if (old !== cur) { setAttr(elm, key, cur); } } // #4391: in IE9, setting type can reset value for input[type=radio] // #6666: IE/Edge forces progress value down to 1 before setting a max /* istanbul ignore if */ if ((isIE || isEdge) && attrs.value !== oldAttrs.value) { setAttr(elm, 'value', attrs.value); } for (key in oldAttrs) { if (isUndef(attrs[key])) { if (isXlink(key)) { elm.removeAttributeNS(xlinkNS, getXlinkProp(key)); } else if (!isEnumeratedAttr(key)) { elm.removeAttribute(key); } } } } function setAttr (el, key, value) { if (el.tagName.indexOf('-') > -1) { baseSetAttr(el, key, value); } else if (isBooleanAttr(key)) { // set attribute for blank value // e.g. <option disabled>Select one</option> if (isFalsyAttrValue(value)) { el.removeAttribute(key); } else { // technically allowfullscreen is a boolean attribute for <iframe>, // but Flash expects a value of "true" when used on <embed> tag value = key === 'allowfullscreen' && el.tagName === 'EMBED' ? 'true' : key; el.setAttribute(key, value); } } 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 { baseSetAttr(el, key, value); } } function baseSetAttr (el, key, value) { if (isFalsyAttrValue(value)) { el.removeAttribute(key); } else { // #7138: IE10 & 11 fires input event when setting placeholder on // <textarea>... block the first input event and remove the blocker // immediately. /* istanbul ignore if */ if ( isIE && !isIE9 && el.tagName === 'TEXTAREA' && key === 'placeholder' && !el.__ieph ) { var blocker = function (e) { e.stopImmediatePropagation(); el.removeEventListener('input', blocker); }; el.addEventListener('input', blocker); // $flow-disable-line el.__ieph = true; /* IE placeholder patched */ } el.setAttribute(key, value); } } var attrs = { create: updateAttrs, update: updateAttrs } /* */ function updateClass (oldVnode, vnode) { var el = vnode.elm; var data = vnode.data; var oldData = oldVnode.data; if ( isUndef(data.staticClass) && isUndef(data.class) && ( isUndef(oldData) || ( isUndef(oldData.staticClass) && isUndef(oldData.class) ) ) ) { return } var cls = genClassForVnode(vnode); // handle transition classes var transitionClass = el._transitionClasses; if (isDef(transitionClass)) { cls = concat(cls, stringifyClass(transitionClass)); } // set the class if (cls !== el._prevClass) { el.setAttribute('class', cls); el._prevClass = cls; } } var klass = { create: updateClass, update: updateClass } /* */ var validDivisionCharRE = /[\w).+\-_$\]]/; function parseFilters (exp) { var inSingle = false; var inDouble = false; var inTemplateString = false; var inRegex = false; var curly = 0; var square = 0; var paren = 0; var lastFilterIndex = 0; var c, prev, i, expression, filters; for (i = 0; i < exp.length; i++) { prev = c; c = exp.charCodeAt(i); if (inSingle) { if (c === 0x27 && prev !== 0x5C) { inSingle = false; } } else if (inDouble) { if (c === 0x22 && prev !== 0x5C) { inDouble = false; } } else if (inTemplateString) { if (c === 0x60 && prev !== 0x5C) { inTemplateString = false; } } else if (inRegex) { if (c === 0x2f && prev !== 0x5C) { inRegex = false; } } else if ( c === 0x7C && // pipe exp.charCodeAt(i + 1) !== 0x7C && exp.charCodeAt(i - 1) !== 0x7C && !curly && !square && !paren ) { if (expression === undefined) { // first filter, end of expression lastFilterIndex = i + 1; expression = exp.slice(0, i).trim(); } else { pushFilter(); } } else { switch (c) { case 0x22: inDouble = true; break // " case 0x27: inSingle = true; break // ' case 0x60: inTemplateString = true; break // ` case 0x28: paren++; break // ( case 0x29: paren--; break // ) case 0x5B: square++; break // [ case 0x5D: square--; break // ] case 0x7B: curly++; break // { case 0x7D: curly--; break // } } if (c === 0x2f) { // / var j = i - 1; var p = (void 0); // find first non-whitespace prev char for (; j >= 0; j--) { p = exp.charAt(j); if (p !== ' ') { break } } if (!p || !validDivisionCharRE.test(p)) { inRegex = true; } } } } if (expression === undefined) { expression = exp.slice(0, i).trim(); } else if (lastFilterIndex !== 0) { pushFilter(); } function pushFilter () { (filters || (filters = [])).push(exp.slice(lastFilterIndex, i).trim()); lastFilterIndex = i + 1; } if (filters) { for (i = 0; i < filters.length; i++) { expression = wrapFilter(expression, filters[i]); } } return expression } function wrapFilter (exp, filter) { var i = filter.indexOf('('); if (i < 0) { // _f: resolveFilter return ("_f(\"" + filter + "\")(" + exp + ")") } else { var name = filter.slice(0, i); var args = filter.slice(i + 1); return ("_f(\"" + name + "\")(" + exp + (args !== ')' ? ',' + args : args)) } } /* */ function baseWarn (msg) { console.error(("[Vue compiler]: " + msg)); } function pluckModuleFunction ( modules, key ) { return modules ? modules.map(function (m) { return m[key]; }).filter(function (_) { return _; }) : [] } function addProp (el, name, value) { (el.props || (el.props = [])).push({ name: name, value: value }); el.plain = false; } function addAttr (el, name, value) { (el.attrs || (el.attrs = [])).push({ name: name, value: value }); el.plain = false; } // add a raw attr (use this in preTransforms) function addRawAttr (el, name, value) { el.attrsMap[name] = value; el.attrsList.push({ name: name, value: value }); } function addDirective ( el, name, rawName, value, arg, modifiers ) { (el.directives || (el.directives = [])).push({ name: name, rawName: rawName, value: value, arg: arg, modifiers: modifiers }); el.plain = false; } function addHandler ( el, name, value, modifiers, important, warn ) { modifiers = modifiers || emptyObject; // warn prevent and passive modifier /* istanbul ignore if */ if ( "development" !== 'production' && warn && modifiers.prevent && modifiers.passive ) { warn( 'passive and prevent can\'t be used together. ' + 'Passive handler can\'t prevent default event.' ); } // check capture modifier if (modifiers.capture) { delete modifiers.capture; name = '!' + name; // mark the event as captured } if (modifiers.once) { delete modifiers.once; name = '~' + name; // mark the event as once } /* istanbul ignore if */ if (modifiers.passive) { delete modifiers.passive; name = '&' + name; // mark the event as passive } // normalize click.right and click.middle since they don't actually fire // this is technically browser-specific, but at least for now browsers are // the only target envs that have right/middle clicks. if (name === 'click') { if (modifiers.right) { name = 'contextmenu'; delete modifiers.right; } else if (modifiers.middle) { name = 'mouseup'; } } var events; if (modifiers.native) { delete modifiers.native; events = el.nativeEvents || (el.nativeEvents = {}); } else { events = el.events || (el.events = {}); } var newHandler = { value: value.trim() }; if (modifiers !== emptyObject) { newHandler.modifiers = modifiers; } var handlers = events[name]; /* istanbul ignore if */ if (Array.isArray(handlers)) { important ? handlers.unshift(newHandler) : handlers.push(newHandler); } else if (handlers) { events[name] = important ? [newHandler, handlers] : [handlers, newHandler]; } else { events[name] = newHandler; } el.plain = false; } function getBindingAttr ( el, name, getStatic ) { var dynamicValue = getAndRemoveAttr(el, ':' + name) || getAndRemoveAttr(el, 'v-bind:' + name); if (dynamicValue != null) { return parseFilters(dynamicValue) } else if (getStatic !== false) { var staticValue = getAndRemoveAttr(el, name); if (staticValue != null) { return JSON.stringify(staticValue) } } } // note: this only removes the attr from the Array (attrsList) so that it // doesn't get processed by processAttrs. // By default it does NOT remove it from the map (attrsMap) because the map is // needed during codegen. function getAndRemoveAttr ( el, name, removeFromMap ) { var val; if ((val = el.attrsMap[name]) != null) { var list = el.attrsList; for (var i = 0, l = list.length; i < l; i++) { if (list[i].name === name) { list.splice(i, 1); break } } } if (removeFromMap) { delete el.attrsMap[name]; } return val } /* */ /** * Cross-platform code generation for component v-model */ function genComponentModel ( el, value, modifiers ) { var ref = modifiers || {}; var number = ref.number; var trim = ref.trim; var baseValueExpression = '$$v'; var valueExpression = baseValueExpression; if (trim) { valueExpression = "(typeof " + baseValueExpression + " === 'string'" + "? " + baseValueExpression + ".trim()" + ": " + baseValueExpression + ")"; } if (number) { valueExpression = "_n(" + valueExpression + ")"; } var assignment = genAssignmentCode(value, valueExpression); el.model = { value: ("(" + value + ")"), expression: ("\"" + value + "\""), callback: ("function (" + baseValueExpression + ") {" + assignment + "}") }; } /** * Cross-platform codegen helper for generating v-model value assignment code. */ function genAssignmentCode ( value, assignment ) { var res = parseModel(value); if (res.key === null) { return (value + "=" + assignment) } else { return ("$set(" + (res.exp) + ", " + (res.key) + ", " + assignment + ")") } } /** * Parse a v-model expression into a base path and a final key segment. * Handles both dot-path and possible square brackets. * * Possible cases: * * - test * - test[key] * - test[test1[key]] * - test["a"][key] * - xxx.test[a[a].test1[key]] * - test.xxx.a["asa"][test1[key]] * */ var len; var str; var chr; var index$1; var expressionPos; var expressionEndPos; function parseModel (val) { // Fix https://github.com/vuejs/vue/pull/7730 // allow v-model="obj.val " (trailing whitespace) val = val.trim(); len = val.length; if (val.indexOf('[') < 0 || val.lastIndexOf(']') < len - 1) { index$1 = val.lastIndexOf('.'); if (index$1 > -1) { return { exp: val.slice(0, index$1), key: '"' + val.slice(index$1 + 1) + '"' } } else { return { exp: val, key: null } } } str = val; index$1 = expressionPos = expressionEndPos = 0; while (!eof()) { chr = next(); /* istanbul ignore if */ if (isStringStart(chr)) { parseString(chr); } else if (chr === 0x5B) { parseBracket(chr); } } return { exp: val.slice(0, expressionPos), key: val.slice(expressionPos + 1, expressionEndPos) } } function next () { return str.charCodeAt(++index$1) } function eof () { return index$1 >= len } function isStringStart (chr) { return chr === 0x22 || chr === 0x27 } function parseBracket (chr) { var inBracket = 1; expressionPos = index$1; while (!eof()) { chr = next(); if (isStringStart(chr)) { parseString(chr); continue } if (chr === 0x5B) { inBracket++; } if (chr === 0x5D) { inBracket--; } if (inBracket === 0) { expressionEndPos = index$1; break } } } function parseString (chr) { var stringQuote = chr; while (!eof()) { chr = next(); if (chr === stringQuote) { break } } } /* */ var warn$1; // in some cases, the event used has to be determined at runtime // so we used some reserved tokens during compile. var RANGE_TOKEN = '__r'; var CHECKBOX_RADIO_TOKEN = '__c'; function model ( el, dir, _warn ) { warn$1 = _warn; var value = dir.value; var modifiers = dir.modifiers; var tag = el.tag; var type = el.attrsMap.type; { // inputs with type="file" are read only and setting the input's // value will throw an error. if (tag === 'input' && type === 'file') { warn$1( "<" + (el.tag) + " v-model=\"" + value + "\" type=\"file\">:\n" + "File inputs are read only. Use a v-on:change listener instead." ); } } if (el.component) { genComponentModel(el, value, modifiers); // component v-model doesn't need extra runtime return false } else if (tag === 'select') { genSelect(el, value, modifiers); } else if (tag === 'input' && type === 'checkbox') { genCheckboxModel(el, value, modifiers); } else if (tag === 'input' && type === 'radio') { genRadioModel(el, value, modifiers); } else if (tag === 'input' || tag === 'textarea') { genDefaultModel(el, value, modifiers); } else if (!config.isReservedTag(tag)) { genComponentModel(el, value, modifiers); // component v-model doesn't need extra runtime return false } else { warn$1( "<" + (el.tag) + " v-model=\"" + value + "\">: " + "v-model is not supported on this element type. " + 'If you are working with contenteditable, it\'s recommended to ' + 'wrap a library dedicated for that purpose inside a custom component.' ); } // ensure runtime directive metadata return true } function genCheckboxModel ( el, value, modifiers ) { var number = modifiers && modifiers.number; var valueBinding = getBindingAttr(el, 'value') || 'null'; var trueValueBinding = getBindingAttr(el, 'true-value') || 'true'; var falseValueBinding = getBindingAttr(el, 'false-value') || 'false'; addProp(el, 'checked', "Array.isArray(" + value + ")" + "?_i(" + value + "," + valueBinding + ")>-1" + ( trueValueBinding === 'true' ? (":(" + value + ")") : (":_q(" + value + "," + trueValueBinding + ")") ) ); addHandler(el, 'change', "var $$a=" + value + "," + '$$el=$event.target,' + "$$c=$$el.checked?(" + trueValueBinding + "):(" + falseValueBinding + ");" + 'if(Array.isArray($$a)){' + "var $$v=" + (number ? '_n(' + valueBinding + ')' : valueBinding) + "," + '$$i=_i($$a,$$v);' + "if($$el.checked){$$i<0&&(" + (genAssignmentCode(value, '$$a.concat([$$v])')) + ")}" + "else{$$i>-1&&(" + (genAssignmentCode(value, '$$a.slice(0,$$i).concat($$a.slice($$i+1))')) + ")}" + "}else{" + (genAssignmentCode(value, '$$c')) + "}", null, true ); } function genRadioModel ( el, value, modifiers ) { var number = modifiers && modifiers.number; var valueBinding = getBindingAttr(el, 'value') || 'null'; valueBinding = number ? ("_n(" + valueBinding + ")") : valueBinding; addProp(el, 'checked', ("_q(" + value + "," + valueBinding + ")")); addHandler(el, 'change', genAssignmentCode(value, valueBinding), null, true); } function genSelect ( el, value, modifiers ) { var number = modifiers && modifiers.number; var selectedVal = "Array.prototype.filter" + ".call($event.target.options,function(o){return o.selected})" + ".map(function(o){var val = \"_value\" in o ? o._value : o.value;" + "return " + (number ? '_n(val)' : 'val') + "})"; var assignment = '$event.target.multiple ? $$selectedVal : $$selectedVal[0]'; var code = "var $$selectedVal = " + selectedVal + ";"; code = code + " " + (genAssignmentCode(value, assignment)); addHandler(el, 'change', code, null, true); } function genDefaultModel ( el, value, modifiers ) { var type = el.attrsMap.type; // warn if v-bind:value conflicts with v-model // except for inputs with v-bind:type { var value$1 = el.attrsMap['v-bind:value'] || el.attrsMap[':value']; var typeBinding = el.attrsMap['v-bind:type'] || el.attrsMap[':type']; if (value$1 && !typeBinding) { var binding = el.attrsMap['v-bind:value'] ? 'v-bind:value' : ':value'; warn$1( binding + "=\"" + value$1 + "\" conflicts with v-model on the same element " + 'because the latter already expands to a value binding internally' ); } } var ref = modifiers || {}; var lazy = ref.lazy; var number = ref.number; var trim = ref.trim; var needCompositionGuard = !lazy && type !== 'range'; var event = lazy ? 'change' : type === 'range' ? RANGE_TOKEN : 'input'; var valueExpression = '$event.target.value'; if (trim) { valueExpression = "$event.target.value.trim()"; } if (number) { valueExpression = "_n(" + valueExpression + ")"; } var code = genAssignmentCode(value, valueExpression); if (needCompositionGuard) { code = "if($event.target.composing)return;" + code; } addProp(el, 'value', ("(" + value + ")")); addHandler(el, event, code, null, true); if (trim || number) { addHandler(el, 'blur', '$forceUpdate()'); } } /* */ // normalize v-model event tokens that can only be determined at runtime. // it's important to place the event as the first in the array because // the whole point is ensuring the v-model callback gets called before // user-attached handlers. function normalizeEvents (on) { /* istanbul ignore if */ if (isDef(on[RANGE_TOKEN])) { // IE input[type=range] only supports `change` event var event = isIE ? 'change' : 'input'; on[event] = [].concat(on[RANGE_TOKEN], on[event] || []); delete on[RANGE_TOKEN]; } // This was originally intended to fix #4521 but no longer necessary // after 2.5. Keeping it for backwards compat with generated code from < 2.4 /* istanbul ignore if */ if (isDef(on[CHECKBOX_RADIO_TOKEN])) { on.change = [].concat(on[CHECKBOX_RADIO_TOKEN], on.change || []); delete on[CHECKBOX_RADIO_TOKEN]; } } var target$1; function createOnceHandler (handler, event, capture) { var _target = target$1; // save current target element in closure return function onceHandler () { var res = handler.apply(null, arguments); if (res !== null) { remove$2(event, onceHandler, capture, _target); } } } function add$1 ( event, handler, once$$1, capture, passive ) { handler = withMacroTask(handler); if (once$$1) { handler = createOnceHandler(handler, event, capture); } target$1.addEventListener( event, handler, supportsPassive ? { capture: capture, passive: passive } : capture ); } function remove$2 ( event, handler, capture, _target ) { (_target || target$1).removeEventListener( event, handler._withTask || handler, capture ); } function updateDOMListeners (oldVnode, vnode) { if (isUndef(oldVnode.data.on) && isUndef(vnode.data.on)) { return } var on = vnode.data.on || {}; var oldOn = oldVnode.data.on || {}; target$1 = vnode.elm; normalizeEvents(on); updateListeners(on, oldOn, add$1, remove$2, vnode.context); target$1 = undefined; } var events = { create: updateDOMListeners, update: updateDOMListeners } /* */ function updateDOMProps (oldVnode, vnode) { if (isUndef(oldVnode.data.domProps) && isUndef(vnode.data.domProps)) { return } var key, cur; var elm = vnode.elm; var oldProps = oldVnode.data.domProps || {}; var props = vnode.data.domProps || {}; // clone observed objects, as the user probably wants to mutate it if (isDef(props.__ob__)) { props = vnode.data.domProps = extend({}, props); } for (key in oldProps) { if (isUndef(props[key])) { elm[key] = ; } } for (key in props) { cur = props[key]; // ignore children if the node has textContent or innerHTML, // as these will throw away existing DOM nodes and cause removal errors // on subsequent patches (#3360) if (key === 'textContent' || key === 'innerHTML') { if (vnode.children) { vnode.children.length = 0; } if (cur === oldProps[key]) { continue } // #6601 work around Chrome version <= 55 bug where single textNode // replaced by innerHTML/textContent retains its parentNode property if (elm.childNodes.length === 1) { elm.removeChild(elm.childNodes[0]); } } if (key === 'value') { // store value as _value as well since // non-string values will be stringified elm._value = cur; // avoid resetting cursor position when value is the same var strCur = isUndef(cur) ? : String(cur); if (shouldUpdateValue(elm, strCur)) { elm.value = strCur; } } else { elm[key] = cur; } } } // check platforms/web/util/attrs.js acceptValue function shouldUpdateValue (elm, checkVal) { return (!elm.composing && ( elm.tagName === 'OPTION' || isNotInFocusAndDirty(elm, checkVal) || isDirtyWithModifiers(elm, checkVal) )) } function isNotInFocusAndDirty (elm, checkVal) { // return true when textbox (.number and .trim) loses focus and its value is // not equal to the updated value var notInFocus = true; // #6157 // work around IE bug when accessing document.activeElement in an iframe try { notInFocus = document.activeElement !== elm; } catch (e) {} return notInFocus && elm.value !== checkVal } function isDirtyWithModifiers (elm, newVal) { var value = elm.value; var modifiers = elm._vModifiers; // injected by v-model runtime if (isDef(modifiers)) { if (modifiers.lazy) { // inputs with lazy should only be updated when not in focus return false } if (modifiers.number) { return toNumber(value) !== toNumber(newVal) } if (modifiers.trim) { return value.trim() !== newVal.trim() } } return value !== newVal } var domProps = { create: updateDOMProps, update: updateDOMProps } /* */ var parseStyleText = cached(function (cssText) { var res = {}; var listDelimiter = /;(?![^(]*\))/g; var propertyDelimiter = /:(.+)/; cssText.split(listDelimiter).forEach(function (item) { if (item) { var tmp = item.split(propertyDelimiter); tmp.length > 1 && (res[tmp[0].trim()] = tmp[1].trim()); } }); return res }); // merge static and dynamic style data on the same vnode function normalizeStyleData (data) { var style = normalizeStyleBinding(data.style); // static style is pre-processed into an object during compilation // and is always a fresh object, so it's safe to merge into it return data.staticStyle ? extend(data.staticStyle, style) : style } // normalize possible array / string values into Object function normalizeStyleBinding (bindingStyle) { if (Array.isArray(bindingStyle)) { return toObject(bindingStyle) } if (typeof bindingStyle === 'string') { return parseStyleText(bindingStyle) } return bindingStyle } /** * parent component style should be after child's * so that parent component's style could override it */ function getStyle (vnode, checkChild) { var res = {}; var styleData; if (checkChild) { var childNode = vnode; while (childNode.componentInstance) { childNode = childNode.componentInstance._vnode; if ( childNode && childNode.data && (styleData = normalizeStyleData(childNode.data)) ) { extend(res, styleData); } } } if ((styleData = normalizeStyleData(vnode.data))) { extend(res, styleData); } var parentNode = vnode; while ((parentNode = parentNode.parent)) { if (parentNode.data && (styleData = normalizeStyleData(parentNode.data))) { extend(res, styleData); } } return res } /* */ var cssVarRE = /^--/; var importantRE = /\s*!important$/; var setProp = function (el, name, val) { /* istanbul ignore if */ if (cssVarRE.test(name)) { el.style.setProperty(name, val); } else if (importantRE.test(val)) { el.style.setProperty(name, val.replace(importantRE, ), 'important'); } else { var normalizedName = normalize(name); if (Array.isArray(val)) { // Support values array created by autoprefixer, e.g. // {display: ["-webkit-box", "-ms-flexbox", "flex"]} // Set them one by one, and the browser will only set those it can recognize for (var i = 0, len = val.length; i < len; i++) { el.style[normalizedName] = val[i]; } } else { el.style[normalizedName] = val; } } }; var vendorNames = ['Webkit', 'Moz', 'ms']; var emptyStyle; var normalize = cached(function (prop) { emptyStyle = emptyStyle || document.createElement('div').style; prop = camelize(prop); if (prop !== 'filter' && (prop in emptyStyle)) { return prop } var capName = prop.charAt(0).toUpperCase() + prop.slice(1); for (var i = 0; i < vendorNames.length; i++) { var name = vendorNames[i] + capName; if (name in emptyStyle) { return name } } }); function updateStyle (oldVnode, vnode) { var data = vnode.data; var oldData = oldVnode.data; if (isUndef(data.staticStyle) && isUndef(data.style) && isUndef(oldData.staticStyle) && isUndef(oldData.style) ) { return } var cur, name; var el = vnode.elm; var oldStaticStyle = oldData.staticStyle; var oldStyleBinding = oldData.normalizedStyle || oldData.style || {}; // if static style exists, stylebinding already merged into it when doing normalizeStyleData var oldStyle = oldStaticStyle || oldStyleBinding; var style = normalizeStyleBinding(vnode.data.style) || {}; // store normalized style under a different key for next diff // make sure to clone it if it's reactive, since the user likely wants // to mutate it. vnode.data.normalizedStyle = isDef(style.__ob__) ? extend({}, style) : style; var newStyle = getStyle(vnode, true); for (name in oldStyle) { if (isUndef(newStyle[name])) { setProp(el, name, ); } } for (name in newStyle) { cur = newStyle[name]; if (cur !== oldStyle[name]) { // ie9 setting to null has no effect, must use empty string setProp(el, name, cur == null ? : cur); } } } var style = { create: updateStyle, update: updateStyle } /* */ /** * Add class with compatibility for SVG since classList is not supported on * SVG elements in IE */ function addClass (el, cls) { /* istanbul ignore if */ if (!cls || !(cls = cls.trim())) { return } /* istanbul ignore else */ if (el.classList) { if (cls.indexOf(' ') > -1) { cls.split(/\s+/).forEach(function (c) { return el.classList.add(c); }); } else { el.classList.add(cls); } } else { var cur = " " + (el.getAttribute('class') || ) + " "; if (cur.indexOf(' ' + cls + ' ') < 0) { el.setAttribute('class', (cur + cls).trim()); } } } /** * Remove class with compatibility for SVG since classList is not supported on * SVG elements in IE */ function removeClass (el, cls) { /* istanbul ignore if */ if (!cls || !(cls = cls.trim())) { return } /* istanbul ignore else */ if (el.classList) { if (cls.indexOf(' ') > -1) { cls.split(/\s+/).forEach(function (c) { return el.classList.remove(c); }); } else { el.classList.remove(cls); } if (!el.classList.length) { el.removeAttribute('class'); } } else { var cur = " " + (el.getAttribute('class') || ) + " "; var tar = ' ' + cls + ' '; while (cur.indexOf(tar) >= 0) { cur = cur.replace(tar, ' '); } cur = cur.trim(); if (cur) { el.setAttribute('class', cur); } else { el.removeAttribute('class'); } } } /* */ function resolveTransition (def) { if (!def) { return } /* istanbul ignore else */ if (typeof def === 'object') { var res = {}; if (def.css !== false) { extend(res, autoCssTransition(def.name || 'v')); } extend(res, def); return res } else if (typeof def === 'string') { return autoCssTransition(def) } } var autoCssTransition = cached(function (name) { return { enterClass: (name + "-enter"), enterToClass: (name + "-enter-to"), enterActiveClass: (name + "-enter-active"), leaveClass: (name + "-leave"), leaveToClass: (name + "-leave-to"), leaveActiveClass: (name + "-leave-active") } }); var hasTransition = inBrowser && !isIE9; var TRANSITION = 'transition'; var ANIMATION = 'animation'; // Transition property/event sniffing var transitionProp = 'transition'; var transitionEndEvent = 'transitionend'; var animationProp = 'animation'; var animationEndEvent = 'animationend'; if (hasTransition) { /* istanbul ignore if */ if (window.ontransitionend === undefined && window.onwebkittransitionend !== undefined ) { transitionProp = 'WebkitTransition'; transitionEndEvent = 'webkitTransitionEnd'; } if (window.onanimationend === undefined && window.onwebkitanimationend !== undefined ) { animationProp = 'WebkitAnimation'; animationEndEvent = 'webkitAnimationEnd'; } } // binding to window is necessary to make hot reload work in IE in strict mode var raf = inBrowser ? window.requestAnimationFrame ? window.requestAnimationFrame.bind(window) : setTimeout : /* istanbul ignore next */ function (fn) { return fn(); }; function nextFrame (fn) { raf(function () { raf(fn); }); } function addTransitionClass (el, cls) { var transitionClasses = el._transitionClasses || (el._transitionClasses = []); if (transitionClasses.indexOf(cls) < 0) { transitionClasses.push(cls); addClass(el, cls); } } function removeTransitionClass (el, cls) { if (el._transitionClasses) { remove(el._transitionClasses, cls); } removeClass(el, cls); } function whenTransitionEnds ( el, expectedType, cb ) { var ref = getTransitionInfo(el, expectedType); var type = ref.type; var timeout = ref.timeout; var propCount = ref.propCount; if (!type) { return cb() } var event = type === TRANSITION ? transitionEndEvent : animationEndEvent; var ended = 0; var end = function () { el.removeEventListener(event, onEnd); cb(); }; var onEnd = function (e) { if (e.target === el) { if (++ended >= propCount) { end(); } } }; setTimeout(function () { if (ended < propCount) { end(); } }, timeout + 1); el.addEventListener(event, onEnd); } var transformRE = /\b(transform|all)(,|$)/; function getTransitionInfo (el, expectedType) { var styles = window.getComputedStyle(el); var transitionDelays = styles[transitionProp + 'Delay'].split(', '); var transitionDurations = styles[transitionProp + 'Duration'].split(', '); var transitionTimeout = getTimeout(transitionDelays, transitionDurations); var animationDelays = styles[animationProp + 'Delay'].split(', '); var animationDurations = styles[animationProp + 'Duration'].split(', '); var animationTimeout = getTimeout(animationDelays, animationDurations); var type; var timeout = 0; var propCount = 0; /* istanbul ignore if */ if (expectedType === TRANSITION) { if (transitionTimeout > 0) { type = TRANSITION; timeout = transitionTimeout; propCount = transitionDurations.length; } } else if (expectedType === ANIMATION) { if (animationTimeout > 0) { type = ANIMATION; timeout = animationTimeout; propCount = animationDurations.length; } } else { timeout = Math.max(transitionTimeout, animationTimeout); type = timeout > 0 ? transitionTimeout > animationTimeout ? TRANSITION : ANIMATION : null; propCount = type ? type === TRANSITION ? transitionDurations.length : animationDurations.length : 0; } var hasTransform = type === TRANSITION && transformRE.test(styles[transitionProp + 'Property']); return { type: type, timeout: timeout, propCount: propCount, hasTransform: hasTransform } } function getTimeout (delays, durations) { /* istanbul ignore next */ while (delays.length < durations.length) { delays = delays.concat(delays); } return Math.max.apply(null, durations.map(function (d, i) { return toMs(d) + toMs(delays[i]) })) } function toMs (s) { return Number(s.slice(0, -1)) * 1000 } /* */ function enter (vnode, toggleDisplay) { var el = vnode.elm; // call leave callback now if (isDef(el._leaveCb)) { el._leaveCb.cancelled = true; el._leaveCb(); } var data = resolveTransition(vnode.data.transition); if (isUndef(data)) { return } /* istanbul ignore if */ if (isDef(el._enterCb) || el.nodeType !== 1) { return } var css = data.css; var type = data.type; var enterClass = data.enterClass; var enterToClass = data.enterToClass; var enterActiveClass = data.enterActiveClass; var appearClass = data.appearClass; var appearToClass = data.appearToClass; var appearActiveClass = data.appearActiveClass; var beforeEnter = data.beforeEnter; var enter = data.enter; var afterEnter = data.afterEnter; var enterCancelled = data.enterCancelled; var beforeAppear = data.beforeAppear; var appear = data.appear; var afterAppear = data.afterAppear; var appearCancelled = data.appearCancelled; var duration = data.duration; // activeInstance will always be the <transition> component managing this // transition. One edge case to check is when the <transition> is placed // as the root node of a child component. In that case we need to check // <transition>'s parent for appear check. var context = activeInstance; var transitionNode = activeInstance.$vnode; while (transitionNode && transitionNode.parent) { transitionNode = transitionNode.parent; context = transitionNode.context; } var isAppear = !context._isMounted || !vnode.isRootInsert; if (isAppear && !appear && appear !== ) { return } var startClass = isAppear && appearClass ? appearClass : enterClass; var activeClass = isAppear && appearActiveClass ? appearActiveClass : enterActiveClass; var toClass = isAppear && appearToClass ? appearToClass : enterToClass; var beforeEnterHook = isAppear ? (beforeAppear || beforeEnter) : beforeEnter; var enterHook = isAppear ? (typeof appear === 'function' ? appear : enter) : enter; var afterEnterHook = isAppear ? (afterAppear || afterEnter) : afterEnter; var enterCancelledHook = isAppear ? (appearCancelled || enterCancelled) : enterCancelled; var explicitEnterDuration = toNumber( isObject(duration) ? duration.enter : duration ); if ("development" !== 'production' && explicitEnterDuration != null) { checkDuration(explicitEnterDuration, 'enter', vnode); } var expectsCSS = css !== false && !isIE9; var userWantsControl = getHookArgumentsLength(enterHook); var cb = el._enterCb = once(function () { if (expectsCSS) { removeTransitionClass(el, toClass); removeTransitionClass(el, activeClass); } if (cb.cancelled) { if (expectsCSS) { removeTransitionClass(el, startClass); } enterCancelledHook && enterCancelledHook(el); } else { afterEnterHook && afterEnterHook(el); } el._enterCb = null; }); if (!vnode.data.show) { // remove pending leave element on enter by injecting an insert hook mergeVNodeHook(vnode, 'insert', function () { var parent = el.parentNode; var pendingNode = parent && parent._pending && parent._pending[vnode.key]; if (pendingNode && pendingNode.tag === vnode.tag && pendingNode.elm._leaveCb ) { pendingNode.elm._leaveCb(); } enterHook && enterHook(el, cb); }); } // start enter transition beforeEnterHook && beforeEnterHook(el); if (expectsCSS) { addTransitionClass(el, startClass); addTransitionClass(el, activeClass); nextFrame(function () { removeTransitionClass(el, startClass); if (!cb.cancelled) { addTransitionClass(el, toClass); if (!userWantsControl) { if (isValidDuration(explicitEnterDuration)) { setTimeout(cb, explicitEnterDuration); } else { whenTransitionEnds(el, type, cb); } } } }); } if (vnode.data.show) { toggleDisplay && toggleDisplay(); enterHook && enterHook(el, cb); } if (!expectsCSS && !userWantsControl) { cb(); } } function leave (vnode, rm) { var el = vnode.elm; // call enter callback now if (isDef(el._enterCb)) { el._enterCb.cancelled = true; el._enterCb(); } var data = resolveTransition(vnode.data.transition); if (isUndef(data) || el.nodeType !== 1) { return rm() } /* istanbul ignore if */ if (isDef(el._leaveCb)) { return } var css = data.css; var type = data.type; var leaveClass = data.leaveClass; var leaveToClass = data.leaveToClass; var leaveActiveClass = data.leaveActiveClass; var beforeLeave = data.beforeLeave; var leave = data.leave; var afterLeave = data.afterLeave; var leaveCancelled = data.leaveCancelled; var delayLeave = data.delayLeave; var duration = data.duration; var expectsCSS = css !== false && !isIE9; var userWantsControl = getHookArgumentsLength(leave); var explicitLeaveDuration = toNumber( isObject(duration) ? duration.leave : duration ); if ("development" !== 'production' && isDef(explicitLeaveDuration)) { checkDuration(explicitLeaveDuration, 'leave', vnode); } var cb = el._leaveCb = once(function () { if (el.parentNode && el.parentNode._pending) { el.parentNode._pending[vnode.key] = null; } if (expectsCSS) { removeTransitionClass(el, leaveToClass); removeTransitionClass(el, leaveActiveClass); } if (cb.cancelled) { if (expectsCSS) { removeTransitionClass(el, leaveClass); } leaveCancelled && leaveCancelled(el); } else { rm(); afterLeave && afterLeave(el); } el._leaveCb = null; }); if (delayLeave) { delayLeave(performLeave); } else { performLeave(); } function performLeave () { // the delayed leave may have already been cancelled if (cb.cancelled) { return } // record leaving element if (!vnode.data.show) { (el.parentNode._pending || (el.parentNode._pending = {}))[(vnode.key)] = vnode; } beforeLeave && beforeLeave(el); if (expectsCSS) { addTransitionClass(el, leaveClass); addTransitionClass(el, leaveActiveClass); nextFrame(function () { removeTransitionClass(el, leaveClass); if (!cb.cancelled) { addTransitionClass(el, leaveToClass); if (!userWantsControl) { if (isValidDuration(explicitLeaveDuration)) { setTimeout(cb, explicitLeaveDuration); } else { whenTransitionEnds(el, type, cb); } } } }); } leave && leave(el, cb); if (!expectsCSS && !userWantsControl) { cb(); } } } // only used in dev mode function checkDuration (val, name, vnode) { if (typeof val !== 'number') { warn( "<transition> explicit " + name + " duration is not a valid number - " + "got " + (JSON.stringify(val)) + ".", vnode.context ); } else if (isNaN(val)) { warn( "<transition> explicit " + name + " duration is NaN - " + 'the duration expression might be incorrect.', vnode.context ); } } function isValidDuration (val) { return typeof val === 'number' && !isNaN(val) } /** * Normalize a transition hook's argument length. The hook may be: * - a merged hook (invoker) with the original in .fns * - a wrapped component method (check ._length) * - a plain function (.length) */ function getHookArgumentsLength (fn) { if (isUndef(fn)) { return false } var invokerFns = fn.fns; if (isDef(invokerFns)) { // invoker return getHookArgumentsLength( Array.isArray(invokerFns) ? invokerFns[0] : invokerFns ) } else { return (fn._length || fn.length) > 1 } } function _enter (_, vnode) { if (vnode.data.show !== true) { enter(vnode); } } var transition = inBrowser ? { create: _enter, activate: _enter, remove: function remove$$1 (vnode, rm) { /* istanbul ignore else */ if (vnode.data.show !== true) { leave(vnode, rm); } else { rm(); } } } : {} var platformModules = [ attrs, klass, events, domProps, style, transition ] /* */ // the directive module should be applied last, after all // built-in modules have been applied. var modules = platformModules.concat(baseModules); var patch = createPatchFunction({ nodeOps: nodeOps, modules: modules }); /** * Not type checking this file because flow doesn't like attaching * properties to Elements. */ /* istanbul ignore if */ if (isIE9) { // http://www.matts411.com/post/internet-explorer-9-oninput/ document.addEventListener('selectionchange', function () { var el = document.activeElement; if (el && el.vmodel) { trigger(el, 'input'); } }); } var directive = { inserted: function inserted (el, binding, vnode, oldVnode) { if (vnode.tag === 'select') { // #6903 if (oldVnode.elm && !oldVnode.elm._vOptions) { mergeVNodeHook(vnode, 'postpatch', function () { directive.componentUpdated(el, binding, vnode); }); } else { setSelected(el, binding, vnode.context); } el._vOptions = [].map.call(el.options, getValue); } else if (vnode.tag === 'textarea' || isTextInputType(el.type)) { el._vModifiers = binding.modifiers; if (!binding.modifiers.lazy) { el.addEventListener('compositionstart', onCompositionStart); el.addEventListener('compositionend', onCompositionEnd); // Safari < 10.2 & UIWebView doesn't fire compositionend when // switching focus before confirming composition choice // this also fixes the issue where some browsers e.g. iOS Chrome // fires "change" instead of "input" on autocomplete. el.addEventListener('change', onCompositionEnd); /* 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 prevOptions = el._vOptions; var curOptions = el._vOptions = [].map.call(el.options, getValue); if (curOptions.some(function (o, i) { return !looseEqual(o, prevOptions[i]); })) { // trigger change event if // no matching option found for at least one value var needReset = el.multiple ? binding.value.some(function (v) { return hasNoMatchingOption(v, curOptions); }) : binding.value !== binding.oldValue && hasNoMatchingOption(binding.value, curOptions); if (needReset) { trigger(el, 'change'); } } } } }; function setSelected (el, binding, vm) { actuallySetSelected(el, binding, vm); /* istanbul ignore if */ if (isIE || isEdge) { setTimeout(function () { actuallySetSelected(el, binding, vm); }, 0); } } function actuallySetSelected (el, binding, vm) { var value = binding.value; var isMultiple = el.multiple; if (isMultiple && !Array.isArray(value)) { "development" !== 'production' && warn( "<select multiple v-model=\"" + (binding.expression) + "\"> " + "expects an Array value for its binding, but got " + (Object.prototype.toString.call(value).slice(8, -1)), vm ); return } var selected, option; for (var i = 0, l = el.options.length; i < l; i++) { option = el.options[i]; if (isMultiple) { selected = looseIndexOf(value, getValue(option)) > -1; if (option.selected !== selected) { option.selected = selected; } } else { if (looseEqual(getValue(option), value)) { if (el.selectedIndex !== i) { el.selectedIndex = i; } return } } } if (!isMultiple) { el.selectedIndex = -1; } } function hasNoMatchingOption (value, options) { return options.every(function (o) { return !looseEqual(o, value); }) } function getValue (option) { return '_value' in option ? option._value : option.value } function onCompositionStart (e) { e.target.composing = true; } function onCompositionEnd (e) { // prevent triggering an input event for no reason if (!e.target.composing) { return } e.target.composing = false; trigger(e.target, 'input'); } function trigger (el, type) { var e = document.createEvent('HTMLEvents'); e.initEvent(type, true, true); el.dispatchEvent(e); } /* */ // recursively search for possible transition defined inside the component root function locateNode (vnode) { return vnode.componentInstance && (!vnode.data || !vnode.data.transition) ? locateNode(vnode.componentInstance._vnode) : vnode } var show = { bind: function bind (el, ref, vnode) { var value = ref.value; vnode = locateNode(vnode); var transition$$1 = vnode.data && vnode.data.transition; var originalDisplay = el.__vOriginalDisplay = el.style.display === 'none' ? : el.style.display; if (value && transition$$1) { vnode.data.show = true; enter(vnode, function () { el.style.display = originalDisplay; }); } else { el.style.display = value ? originalDisplay : 'none'; } }, update: function update (el, ref, vnode) { var value = ref.value; var oldValue = ref.oldValue; /* istanbul ignore if */ if (!value === !oldValue) { return } vnode = locateNode(vnode); var transition$$1 = vnode.data && vnode.data.transition; if (transition$$1) { vnode.data.show = true; if (value) { enter(vnode, function () { el.style.display = el.__vOriginalDisplay; }); } else { leave(vnode, function () { el.style.display = 'none'; }); } } else { el.style.display = value ? el.__vOriginalDisplay : 'none'; } }, unbind: function unbind ( el, binding, vnode, oldVnode, isDestroy ) { if (!isDestroy) { el.style.display = el.__vOriginalDisplay; } } } var platformDirectives = { model: directive, show: show } /* */ // Provides transition support for a single element/component. // supports transition mode (out-in / in-out) var transitionProps = { name: String, appear: Boolean, css: Boolean, mode: String, type: String, enterClass: String, leaveClass: String, enterToClass: String, leaveToClass: String, enterActiveClass: String, leaveActiveClass: String, appearClass: String, appearActiveClass: String, appearToClass: String, duration: [Number, String, Object] }; // in case the child is also an abstract component, e.g. <keep-alive> // we want to recursively retrieve the real component to be rendered function getRealChild (vnode) { var compOptions = vnode && vnode.componentOptions; if (compOptions && compOptions.Ctor.options.abstract) { return getRealChild(getFirstComponentChild(compOptions.children)) } else { return vnode } } function extractTransitionData (comp) { var data = {}; var options = comp.$options; // props for (var key in options.propsData) { data[key] = comp[key]; } // events. // extract listeners and pass them directly to the transition methods var listeners = options._parentListeners; for (var key$1 in listeners) { data[camelize(key$1)] = listeners[key$1]; } return data } function placeholder (h, rawChild) { if (/\d-keep-alive$/.test(rawChild.tag)) { return h('keep-alive', { props: rawChild.componentOptions.propsData }) } } function hasParentTransition (vnode) { while ((vnode = vnode.parent)) { if (vnode.data.transition) { return true } } } function isSameChild (child, oldChild) { return oldChild.key === child.key && oldChild.tag === child.tag } var Transition = { name: 'transition', props: transitionProps, abstract: true, render: function render (h) { var this$1 = this; var children = this.$slots.default; if (!children) { return } // filter out text nodes (possible whitespaces) children = children.filter(function (c) { return c.tag || isAsyncPlaceholder(c); }); /* istanbul ignore if */ if (!children.length) { return } // warn multiple elements if ("development" !== 'production' && children.length > 1) { warn( '<transition> can only be used on a single element. Use ' + '<transition-group> for lists.', this.$parent ); } var mode = this.mode; // warn invalid mode if ("development" !== 'production' && mode && mode !== 'in-out' && mode !== 'out-in' ) { warn( 'invalid <transition> mode: ' + mode, this.$parent ); } var rawChild = children[0]; // if this is a component root node and the component's // parent container node also has transition, skip. if (hasParentTransition(this.$vnode)) { return rawChild } // apply transition data to child // use getRealChild() to ignore abstract components e.g. keep-alive var child = getRealChild(rawChild); /* istanbul ignore if */ if (!child) { return rawChild } if (this._leaving) { return placeholder(h, rawChild) } // ensure a key that is unique to the vnode type and to this transition // component instance. This key will be used to remove pending leaving nodes // during entering. var id = "__transition-" + (this._uid) + "-"; child.key = child.key == null ? child.isComment ? id + 'comment' : id + child.tag : isPrimitive(child.key) ? (String(child.key).indexOf(id) === 0 ? child.key : id + child.key) : child.key; var data = (child.data || (child.data = {})).transition = extractTransitionData(this); var oldRawChild = this._vnode; var oldChild = getRealChild(oldRawChild); // mark v-show // so that the transition module can hand over the control to the directive if (child.data.directives && child.data.directives.some(function (d) { return d.name === 'show'; })) { child.data.show = true; } if ( oldChild && oldChild.data && !isSameChild(child, oldChild) && !isAsyncPlaceholder(oldChild) && // #6687 component root is a comment node !(oldChild.componentInstance && oldChild.componentInstance._vnode.isComment) ) { // 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(); }); return placeholder(h, rawChild) } else if (mode === 'in-out') { if (isAsyncPlaceholder(child)) { return oldRawChild } var delayedLeave; var performLeave = function () { delayedLeave(); }; mergeVNodeHook(data, 'afterEnter', performLeave); mergeVNodeHook(data, 'enterCancelled', performLeave); mergeVNodeHook(oldData, 'delayLeave', function (leave) { delayedLeave = leave; }); } } return rawChild } } /* */ // Provides transition support for list items. // supports move transitions using the FLIP technique. // Because the vdom's children update algorithm is "unstable" - i.e. // it doesn't guarantee the relative positioning of removed elements, // we force transition-group to update its children into two passes: // in the first pass, we remove all nodes that need to be removed, // triggering their leaving transition; in the second pass, we insert/move // into the final desired state. This way in the second pass removed // nodes will remain where they should be. var props = extend({ tag: String, moveClass: String }, transitionProps); delete props.mode; var TransitionGroup = { props: props, render: function render (h) { var tag = this.tag || this.$vnode.data.tag || 'span'; var map = Object.create(null); var prevChildren = this.prevChildren = this.children; var rawChildren = this.$slots.default || []; var children = this.children = []; var transitionData = extractTransitionData(this); for (var i = 0; i < rawChildren.length; i++) { var c = rawChildren[i]; if (c.tag) { if (c.key != null && String(c.key).indexOf('__vlist') !== 0) { children.push(c); map[c.key] = c ;(c.data || (c.data = {})).transition = transitionData; } else { var opts = c.componentOptions; var name = opts ? (opts.Ctor.options.name || opts.tag || ) : c.tag; warn(("<transition-group> children must be keyed: <" + name + ">")); } } } if (prevChildren) { var kept = []; var removed = []; for (var i$1 = 0; i$1 < prevChildren.length; i$1++) { var c$1 = prevChildren[i$1]; c$1.data.transition = transitionData; c$1.data.pos = c$1.elm.getBoundingClientRect(); if (map[c$1.key]) { kept.push(c$1); } else { removed.push(c$1); } } this.kept = h(tag, null, kept); this.removed = removed; } return h(tag, null, children) }, beforeUpdate: function beforeUpdate () { // force removing pass this.__patch__( this._vnode, this.kept, false, // hydrating true // removeOnly (!important, avoids unnecessary moves) ); this._vnode = this.kept; }, updated: function updated () { var children = this.prevChildren; var moveClass = this.moveClass || ((this.name || 'v') + '-move'); if (!children.length || !this.hasMove(children[0].elm, moveClass)) { return } // we divide the work into three loops to avoid mixing DOM reads and writes // in each iteration - which helps prevent layout thrashing. children.forEach(callPendingCbs); children.forEach(recordPosition); children.forEach(applyTranslation); // force reflow to put everything in position // assign to this to avoid being removed in tree-shaking // $flow-disable-line this._reflow = document.body.offsetHeight; children.forEach(function (c) { if (c.data.moved) { var el = c.elm; var s = el.style; addTransitionClass(el, moveClass); s.transform = s.WebkitTransform = s.transitionDuration = ; el.addEventListener(transitionEndEvent, el._moveCb = function cb (e) { if (!e || /transform$/.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 } /* istanbul ignore if */ if (this._hasMove) { return this._hasMove } // Detect whether an element with the move class applied has // CSS transitions. Since the element may be inside an entering // transition at this very moment, we make a clone of it and remove // all other transition classes applied to ensure only the move class // is applied. var clone = el.cloneNode(); if (el._transitionClasses) { el._transitionClasses.forEach(function (cls) { removeClass(clone, cls); }); } addClass(clone, moveClass); clone.style.display = 'none'; this.$el.appendChild(clone); var info = getTransitionInfo(clone); this.$el.removeChild(clone); return (this._hasMove = info.hasTransform) } } } function callPendingCbs (c) { /* istanbul ignore if */ if (c.elm._moveCb) { c.elm._moveCb(); } /* istanbul ignore if */ if (c.elm._enterCb) { c.elm._enterCb(); } } function recordPosition (c) { c.data.newPos = c.elm.getBoundingClientRect(); } function applyTranslation (c) { var oldPos = c.data.pos; var newPos = c.data.newPos; var dx = oldPos.left - newPos.left; var dy = oldPos.top - newPos.top; if (dx || dy) { c.data.moved = true; var s = c.elm.style; s.transform = s.WebkitTransform = "translate(" + dx + "px," + dy + "px)"; s.transitionDuration = '0s'; } } var platformComponents = { Transition: Transition, TransitionGroup: TransitionGroup } /* */ // install platform specific utils Vue.config.mustUseProp = mustUseProp; Vue.config.isReservedTag = isReservedTag; Vue.config.isReservedAttr = isReservedAttr; Vue.config.getTagNamespace = getTagNamespace; Vue.config.isUnknownElement = isUnknownElement; // install platform runtime directives & components extend(Vue.options.directives, platformDirectives); extend(Vue.options.components, platformComponents); // install platform patch function Vue.prototype.__patch__ = inBrowser ? patch : noop; // public mount method Vue.prototype.$mount = function ( el, hydrating ) { el = el && inBrowser ? query(el) : undefined; return mountComponent(this, el, hydrating) }; // devtools global hook /* istanbul ignore next */ if (inBrowser) { setTimeout(function () { if (config.devtools) { if (devtools) { devtools.emit('init', Vue); } else if ( "development" !== 'production' && "development" !== 'test' && isChrome ) { console[console.info ? 'info' : 'log']( 'Download the Vue Devtools extension for a better development experience:\n' + 'https://github.com/vuejs/vue-devtools' ); } } if ("development" !== 'production' && "development" !== 'test' && config.productionTip !== false && typeof console !== 'undefined' ) { console[console.info ? 'info' : 'log']( "You are running Vue in development mode.\n" + "Make sure to turn on production mode when deploying for production.\n" + "See more tips at https://vuejs.org/guide/deployment.html" ); } }, 0); } /* */ var defaultTagRE = /\{\{((?:.|\n)+?)\}\}/g; var regexEscapeRE = /[-.*+?^${}()|[\]\/\\]/g; var buildRegex = cached(function (delimiters) { var open = delimiters[0].replace(regexEscapeRE, '\\$&'); var close = delimiters[1].replace(regexEscapeRE, '\\$&'); return new RegExp(open + '((?:.|\\n)+?)' + close, 'g') }); function parseText ( text, delimiters ) { var tagRE = delimiters ? buildRegex(delimiters) : defaultTagRE; if (!tagRE.test(text)) { return } var tokens = []; var rawTokens = []; var lastIndex = tagRE.lastIndex = 0; var match, index, tokenValue; while ((match = tagRE.exec(text))) { index = match.index; // push text token if (index > lastIndex) { rawTokens.push(tokenValue = text.slice(lastIndex, index)); tokens.push(JSON.stringify(tokenValue)); } // tag token var exp = parseFilters(match[1].trim()); tokens.push(("_s(" + exp + ")")); rawTokens.push({ '@binding': exp }); lastIndex = index + match[0].length; } if (lastIndex < text.length) { rawTokens.push(tokenValue = text.slice(lastIndex)); tokens.push(JSON.stringify(tokenValue)); } return { expression: tokens.join('+'), tokens: rawTokens } } /* */ function transformNode (el, options) { var warn = options.warn || baseWarn; var staticClass = getAndRemoveAttr(el, 'class'); if ("development" !== 'production' && staticClass) { var res = parseText(staticClass, options.delimiters); if (res) { warn( "class=\"" + staticClass + "\": " + 'Interpolation inside attributes has been removed. ' + 'Use v-bind or the colon shorthand instead. For example, ' + 'instead of
);
}
}
if (staticClass) {
el.staticClass = JSON.stringify(staticClass);
}
var classBinding = getBindingAttr(el, 'class', false /* getStatic */);
if (classBinding) {
el.classBinding = classBinding;
}
}
function genData (el) {
var data = ;
if (el.staticClass) {
data += "staticClass:" + (el.staticClass) + ",";
}
if (el.classBinding) {
data += "class:" + (el.classBinding) + ",";
}
return data
}
var klass$1 = {
staticKeys: ['staticClass'], transformNode: transformNode, genData: genData
}
/* */
function transformNode$1 (el, options) {
var warn = options.warn || baseWarn;
var staticStyle = getAndRemoveAttr(el, 'style');
if (staticStyle) {
/* istanbul ignore if */
{
var res = parseText(staticStyle, options.delimiters);
if (res) {
warn(
"style=\"" + staticStyle + "\": " +
'Interpolation inside attributes has been removed. ' +
'Use v-bind or the colon shorthand instead. For example, ' +
'instead of );
}
}
el.staticStyle = JSON.stringify(parseStyleText(staticStyle));
}
var styleBinding = getBindingAttr(el, 'style', false /* getStatic */);
if (styleBinding) {
el.styleBinding = styleBinding;
}
}
function genData$1 (el) {
var data = ;
if (el.staticStyle) {
data += "staticStyle:" + (el.staticStyle) + ",";
}
if (el.styleBinding) {
data += "style:(" + (el.styleBinding) + "),";
}
return data
}
var style$1 = {
staticKeys: ['staticStyle'], transformNode: transformNode$1, genData: genData$1
}
/* */
var decoder;
var he = {
decode: function decode (html) {
decoder = decoder || document.createElement('div');
decoder.innerHTML = html;
return decoder.textContent
}
}
/* */
var isUnaryTag = makeMap(
'area,base,br,col,embed,frame,hr,img,input,isindex,keygen,' + 'link,meta,param,source,track,wbr'
);
// Elements that you can, intentionally, leave open // (and which close themselves) var canBeLeftOpenTag = makeMap(
'colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr,source'
);
// HTML5 tags https://html.spec.whatwg.org/multipage/indices.html#elements-3 // Phrasing Content https://html.spec.whatwg.org/multipage/dom.html#phrasing-content var isNonPhrasingTag = makeMap(
'address,article,aside,base,blockquote,body,caption,col,colgroup,dd,' + 'details,dialog,div,dl,dt,fieldset,figcaption,figure,footer,form,' + 'h1,h2,h3,h4,h5,h6,head,header,hgroup,hr,html,legend,li,menuitem,meta,' + 'optgroup,option,param,rp,rt,source,style,summary,tbody,td,tfoot,th,thead,' + 'title,tr,track'
);
/**
* Not type-checking this file because it's mostly vendor code. */
/*!
* HTML Parser By John Resig (ejohn.org) * Modified by Juriy "kangax" Zaytsev * Original code by Erik Arvidsson, Mozilla Public License * http://erik.eae.net/simplehtmlparser/simplehtmlparser.js */
// Regular Expressions for parsing tags and attributes var attribute = /^\s*([^\s"'<>\/=]+)(?:\s*(=)\s*(?:"([^"]*)"+|'([^']*)'+|([^\s"'=<>`]+)))?/; // could use https://www.w3.org/TR/1999/REC-xml-names-19990114/#NT-QName // but for Vue templates we can enforce a simple charset var ncname = '[a-zA-Z_][\\w\\-\\.]*'; var qnameCapture = "((?:" + ncname + "\\:)?" + ncname + ")"; var startTagOpen = new RegExp(("^<" + qnameCapture)); var startTagClose = /^\s*(\/?)>/; var endTag = new RegExp(("^<\\/" + qnameCapture + "[^>]*>")); var doctype = /^<!DOCTYPE [^>]+>/i; // #7298: escape - to avoid being pased as HTML comment when inlined in page var comment = /^<!\--/; var conditionalComment = /^<!\[/;
var IS_REGEX_CAPTURING_BROKEN = false; 'x'.replace(/x(.)?/g, function (m, g) {
IS_REGEX_CAPTURING_BROKEN = g === ;
});
// Special Elements (can contain anything) var isPlainTextElement = makeMap('script,style,textarea', true); var reCache = {};
var decodingMap = {
'<': '<', '>': '>', '"': '"', '&': '&', ' ': '\n', ' ': '\t'
}; var encodedAttr = /&(?:lt|gt|quot|amp);/g; var encodedAttrWithNewLines = /&(?:lt|gt|quot|amp|#10|#9);/g;
// #5992 var isIgnoreNewlineTag = makeMap('pre,textarea', true); var shouldIgnoreFirstNewline = function (tag, html) { return tag && isIgnoreNewlineTag(tag) && html[0] === '\n'; };
function decodeAttr (value, shouldDecodeNewlines) {
var re = shouldDecodeNewlines ? encodedAttrWithNewLines : encodedAttr;
return value.replace(re, function (match) { return decodingMap[match]; })
}
function parseHTML (html, options) {
var stack = [];
var expectHTML = options.expectHTML;
var isUnaryTag$$1 = options.isUnaryTag || no;
var canBeLeftOpenTag$$1 = options.canBeLeftOpenTag || no;
var index = 0;
var last, lastTag;
while (html) {
last = html;
// Make sure we're not in a plaintext content element like script/style
if (!lastTag || !isPlainTextElement(lastTag)) {
var textEnd = html.indexOf('<');
if (textEnd === 0) {
// Comment:
if (comment.test(html)) {
var commentEnd = html.indexOf('-->');
if (commentEnd >= 0) {
if (options.shouldKeepComment) {
options.comment(html.substring(4, commentEnd));
}
advance(commentEnd + 3);
continue
}
}
// http://en.wikipedia.org/wiki/Conditional_comment#Downlevel-revealed_conditional_comment if (conditionalComment.test(html)) { var conditionalEnd = html.indexOf(']>');
if (conditionalEnd >= 0) {
advance(conditionalEnd + 2);
continue
}
}
// Doctype:
var doctypeMatch = html.match(doctype);
if (doctypeMatch) {
advance(doctypeMatch[0].length);
continue
}
// End tag:
var endTagMatch = html.match(endTag);
if (endTagMatch) {
var curIndex = index;
advance(endTagMatch[0].length);
parseEndTag(endTagMatch[1], curIndex, index);
continue
}
// Start tag:
var startTagMatch = parseStartTag();
if (startTagMatch) {
handleStartTag(startTagMatch);
if (shouldIgnoreFirstNewline(lastTag, html)) {
advance(1);
}
continue
}
}
var text = (void 0), rest = (void 0), next = (void 0);
if (textEnd >= 0) {
rest = html.slice(textEnd);
while (
!endTag.test(rest) &&
!startTagOpen.test(rest) &&
!comment.test(rest) &&
!conditionalComment.test(rest)
) {
// < in plain text, be forgiving and treat it as text
next = rest.indexOf('<', 1);
if (next < 0) { break }
textEnd += next;
rest = html.slice(textEnd);
}
text = html.substring(0, textEnd);
advance(textEnd);
}
if (textEnd < 0) {
text = html;
html = ;
}
if (options.chars && text) {
options.chars(text);
}
} else {
var endTagLength = 0;
var stackedTag = lastTag.toLowerCase();
var reStackedTag = reCache[stackedTag] || (reCache[stackedTag] = new RegExp('([\\s\\S]*?)(</' + stackedTag + '[^>]*>)', 'i'));
var rest$1 = html.replace(reStackedTag, function (all, text, endTag) {
endTagLength = endTag.length;
if (!isPlainTextElement(stackedTag) && stackedTag !== 'noscript') {
text = text
.replace(/<!\--([\s\S]*?)-->/g, '$1') // #7298
.replace(/<!\[CDATA\[([\s\S]*?)]]>/g, '$1');
}
if (shouldIgnoreFirstNewline(stackedTag, text)) {
text = text.slice(1);
}
if (options.chars) {
options.chars(text);
}
return
});
index += html.length - rest$1.length;
html = rest$1;
parseEndTag(stackedTag, index - endTagLength, index);
}
if (html === last) {
options.chars && options.chars(html);
if ("development" !== 'production' && !stack.length && options.warn) {
options.warn(("Mal-formatted tag at end of template: \"" + html + "\""));
}
break
}
}
// Clean up any remaining tags parseEndTag();
function advance (n) {
index += n;
html = html.substring(n);
}
function parseStartTag () {
var start = html.match(startTagOpen);
if (start) {
var match = {
tagName: start[1],
attrs: [],
start: index
};
advance(start[0].length);
var end, attr;
while (!(end = html.match(startTagClose)) && (attr = html.match(attribute))) {
advance(attr[0].length);
match.attrs.push(attr);
}
if (end) {
match.unarySlash = end[1];
advance(end[0].length);
match.end = index;
return match
}
}
}
function handleStartTag (match) {
var tagName = match.tagName;
var unarySlash = match.unarySlash;
if (expectHTML) {
if (lastTag === 'p' && isNonPhrasingTag(tagName)) {
parseEndTag(lastTag);
}
if (canBeLeftOpenTag$$1(tagName) && lastTag === tagName) {
parseEndTag(tagName);
}
}
var unary = isUnaryTag$$1(tagName) || !!unarySlash;
var l = match.attrs.length;
var attrs = new Array(l);
for (var i = 0; i < l; i++) {
var args = match.attrs[i];
// hackish work around FF bug https://bugzilla.mozilla.org/show_bug.cgi?id=369778
if (IS_REGEX_CAPTURING_BROKEN && args[0].indexOf('""') === -1) {
if (args[3] === ) { delete args[3]; }
if (args[4] === ) { delete args[4]; }
if (args[5] === ) { delete args[5]; }
}
var value = args[3] || args[4] || args[5] || ;
var shouldDecodeNewlines = tagName === 'a' && args[1] === 'href'
? options.shouldDecodeNewlinesForHref
: options.shouldDecodeNewlines;
attrs[i] = {
name: args[1],
value: decodeAttr(value, shouldDecodeNewlines)
};
}
if (!unary) {
stack.push({ tag: tagName, lowerCasedTag: tagName.toLowerCase(), attrs: attrs });
lastTag = tagName;
}
if (options.start) {
options.start(tagName, attrs, unary, match.start, match.end);
}
}
function parseEndTag (tagName, start, end) {
var pos, lowerCasedTagName;
if (start == null) { start = index; }
if (end == null) { end = index; }
if (tagName) {
lowerCasedTagName = tagName.toLowerCase();
}
// Find the closest opened tag of the same type
if (tagName) {
for (pos = stack.length - 1; pos >= 0; pos--) {
if (stack[pos].lowerCasedTag === lowerCasedTagName) {
break
}
}
} else {
// If no tag name is provided, clean shop
pos = 0;
}
if (pos >= 0) {
// Close all the open elements, up the stack
for (var i = stack.length - 1; i >= pos; i--) {
if ("development" !== 'production' &&
(i > pos || !tagName) &&
options.warn
) {
options.warn(
("tag <" + (stack[i].tag) + "> has no matching end tag.")
);
}
if (options.end) {
options.end(stack[i].tag, start, end);
}
}
// Remove the open elements from the stack
stack.length = pos;
lastTag = pos && stack[pos - 1].tag;
} else if (lowerCasedTagName === 'br') {
if (options.start) {
options.start(tagName, [], true, start, end);
}
} else if (lowerCasedTagName === 'p') {
if (options.start) {
options.start(tagName, [], false, start, end);
}
if (options.end) {
options.end(tagName, start, end);
}
}
}
}
/* */
var onRE = /^@|^v-on:/; var dirRE = /^v-|^@|^:/; var forAliasRE = /([^]*?)\s+(?:in|of)\s+([^]*)/; var forIteratorRE = /,([^,\}\]]*)(?:,([^,\}\]]*))?$/; var stripParensRE = /^\(|\)$/g;
var argRE = /:(.*)$/; var bindRE = /^:|^v-bind:/; var modifierRE = /\.[^.]+/g;
var decodeHTMLCached = cached(he.decode);
// configurable state var warn$2; var delimiters; var transforms; var preTransforms; var postTransforms; var platformIsPreTag; var platformMustUseProp; var platformGetTagNamespace;
function createASTElement (
tag, attrs, parent
) {
return {
type: 1,
tag: tag,
attrsList: attrs,
attrsMap: makeAttrsMap(attrs),
parent: parent,
children: []
}
}
/**
* Convert HTML string to AST. */
function parse (
template, options
) {
warn$2 = options.warn || baseWarn;
platformIsPreTag = options.isPreTag || no; platformMustUseProp = options.mustUseProp || no; platformGetTagNamespace = options.getTagNamespace || no;
transforms = pluckModuleFunction(options.modules, 'transformNode'); preTransforms = pluckModuleFunction(options.modules, 'preTransformNode'); postTransforms = pluckModuleFunction(options.modules, 'postTransformNode');
delimiters = options.delimiters;
var stack = []; var preserveWhitespace = options.preserveWhitespace !== false; var root; var currentParent; var inVPre = false; var inPre = false; var warned = false;
function warnOnce (msg) {
if (!warned) {
warned = true;
warn$2(msg);
}
}
function closeElement (element) {
// check pre state
if (element.pre) {
inVPre = false;
}
if (platformIsPreTag(element.tag)) {
inPre = false;
}
// apply post-transforms
for (var i = 0; i < postTransforms.length; i++) {
postTransforms[i](element, options);
}
}
parseHTML(template, {
warn: warn$2,
expectHTML: options.expectHTML,
isUnaryTag: options.isUnaryTag,
canBeLeftOpenTag: options.canBeLeftOpenTag,
shouldDecodeNewlines: options.shouldDecodeNewlines,
shouldDecodeNewlinesForHref: options.shouldDecodeNewlinesForHref,
shouldKeepComment: options.comments,
start: function start (tag, attrs, unary) {
// check namespace.
// inherit parent ns if there is one
var ns = (currentParent && currentParent.ns) || platformGetTagNamespace(tag);
// handle IE svg bug
/* istanbul ignore if */
if (isIE && ns === 'svg') {
attrs = guardIESVGBug(attrs);
}
var element = createASTElement(tag, attrs, currentParent);
if (ns) {
element.ns = ns;
}
if (isForbiddenTag(element) && !isServerRendering()) {
element.forbidden = true;
"development" !== 'production' && warn$2(
'Templates should only be responsible for mapping the state to the ' +
'UI. Avoid placing tags with side-effects in your templates, such as ' +
"<" + tag + ">" + ', as they will not be parsed.'
);
}
// apply pre-transforms
for (var i = 0; i < preTransforms.length; i++) {
element = preTransforms[i](element, options) || element;
}
if (!inVPre) {
processPre(element);
if (element.pre) {
inVPre = true;
}
}
if (platformIsPreTag(element.tag)) {
inPre = true;
}
if (inVPre) {
processRawAttrs(element);
} else if (!element.processed) {
// structural directives
processFor(element);
processIf(element);
processOnce(element);
// element-scope stuff
processElement(element, options);
}
function checkRootConstraints (el) {
{
if (el.tag === 'slot' || el.tag === 'template') {
warnOnce(
"Cannot use <" + (el.tag) + "> as component root element because it may " +
'contain multiple nodes.'
);
}
if (el.attrsMap.hasOwnProperty('v-for')) {
warnOnce(
'Cannot use v-for on stateful component root element because ' +
'it renders multiple elements.'
);
}
}
}
// tree management
if (!root) {
root = element;
checkRootConstraints(root);
} else if (!stack.length) {
// allow root elements with v-if, v-else-if and v-else
if (root.if && (element.elseif || element.else)) {
checkRootConstraints(element);
addIfCondition(root, {
exp: element.elseif,
block: element
});
} else {
warnOnce(
"Component template should contain exactly one root element. " +
"If you are using v-if on multiple elements, " +
"use v-else-if to chain them instead."
);
}
}
if (currentParent && !element.forbidden) {
if (element.elseif || element.else) {
processIfConditions(element, currentParent);
} else if (element.slotScope) { // scoped slot
currentParent.plain = false;
var name = element.slotTarget || '"default"';(currentParent.scopedSlots || (currentParent.scopedSlots = {}))[name] = element;
} else {
currentParent.children.push(element);
element.parent = currentParent;
}
}
if (!unary) {
currentParent = element;
stack.push(element);
} else {
closeElement(element);
}
},
end: function end () {
// remove trailing whitespace
var element = stack[stack.length - 1];
var lastNode = element.children[element.children.length - 1];
if (lastNode && lastNode.type === 3 && lastNode.text === ' ' && !inPre) {
element.children.pop();
}
// pop stack
stack.length -= 1;
currentParent = stack[stack.length - 1];
closeElement(element);
},
chars: function chars (text) {
if (!currentParent) {
{
if (text === template) {
warnOnce(
'Component template requires a root element, rather than just text.'
);
} else if ((text = text.trim())) {
warnOnce(
("text \"" + text + "\" outside root element will be ignored.")
);
}
}
return
}
// IE textarea placeholder bug
/* istanbul ignore if */
if (isIE &&
currentParent.tag === 'textarea' &&
currentParent.attrsMap.placeholder === text
) {
return
}
var children = currentParent.children;
text = inPre || text.trim()
? isTextTag(currentParent) ? text : decodeHTMLCached(text)
// only preserve whitespace if its not right after a starting tag
: preserveWhitespace && children.length ? ' ' : ;
if (text) {
var res;
if (!inVPre && text !== ' ' && (res = parseText(text, delimiters))) {
children.push({
type: 2,
expression: res.expression,
tokens: res.tokens,
text: text
});
} else if (text !== ' ' || !children.length || children[children.length - 1].text !== ' ') {
children.push({
type: 3,
text: text
});
}
}
},
comment: function comment (text) {
currentParent.children.push({
type: 3,
text: text,
isComment: true
});
}
});
return root
}
function processPre (el) {
if (getAndRemoveAttr(el, 'v-pre') != null) {
el.pre = true;
}
}
function processRawAttrs (el) {
var l = el.attrsList.length;
if (l) {
var attrs = el.attrs = new Array(l);
for (var i = 0; i < l; i++) {
attrs[i] = {
name: el.attrsList[i].name,
value: JSON.stringify(el.attrsList[i].value)
};
}
} else if (!el.pre) {
// non root node in pre blocks with no attributes
el.plain = true;
}
}
function processElement (element, options) {
processKey(element);
// determine whether this is a plain element after // removing structural attributes element.plain = !element.key && !element.attrsList.length;
processRef(element);
processSlot(element);
processComponent(element);
for (var i = 0; i < transforms.length; i++) {
element = transforms[i](element, options) || element;
}
processAttrs(element);
}
function processKey (el) {
var exp = getBindingAttr(el, 'key');
if (exp) {
if ("development" !== 'production' && el.tag === 'template') {
warn$2("<template> cannot be keyed. Place the key on real elements instead.");
}
el.key = exp;
}
}
function processRef (el) {
var ref = getBindingAttr(el, 'ref');
if (ref) {
el.ref = ref;
el.refInFor = checkInFor(el);
}
}
function processFor (el) {
var exp;
if ((exp = getAndRemoveAttr(el, 'v-for'))) {
var res = parseFor(exp);
if (res) {
extend(el, res);
} else {
warn$2(
("Invalid v-for expression: " + exp)
);
}
}
}
function parseFor (exp) {
var inMatch = exp.match(forAliasRE);
if (!inMatch) { return }
var res = {};
res.for = inMatch[2].trim();
var alias = inMatch[1].trim().replace(stripParensRE, );
var iteratorMatch = alias.match(forIteratorRE);
if (iteratorMatch) {
res.alias = alias.replace(forIteratorRE, );
res.iterator1 = iteratorMatch[1].trim();
if (iteratorMatch[2]) {
res.iterator2 = iteratorMatch[2].trim();
}
} else {
res.alias = alias;
}
return res
}
function processIf (el) {
var exp = getAndRemoveAttr(el, 'v-if');
if (exp) {
el.if = exp;
addIfCondition(el, {
exp: exp,
block: el
});
} else {
if (getAndRemoveAttr(el, 'v-else') != null) {
el.else = true;
}
var elseif = getAndRemoveAttr(el, 'v-else-if');
if (elseif) {
el.elseif = elseif;
}
}
}
function processIfConditions (el, parent) {
var prev = findPrevElement(parent.children);
if (prev && prev.if) {
addIfCondition(prev, {
exp: el.elseif,
block: el
});
} else {
warn$2(
"v-" + (el.elseif ? ('else-if="' + el.elseif + '"') : 'else') + " " +
"used on element <" + (el.tag) + "> without corresponding v-if."
);
}
}
function findPrevElement (children) {
var i = children.length;
while (i--) {
if (children[i].type === 1) {
return children[i]
} else {
if ("development" !== 'production' && children[i].text !== ' ') {
warn$2(
"text \"" + (children[i].text.trim()) + "\" between v-if and v-else(-if) " +
"will be ignored."
);
}
children.pop();
}
}
}
function addIfCondition (el, condition) {
if (!el.ifConditions) {
el.ifConditions = [];
}
el.ifConditions.push(condition);
}
function processOnce (el) {
var once$$1 = getAndRemoveAttr(el, 'v-once');
if (once$$1 != null) {
el.once = true;
}
}
function processSlot (el) {
if (el.tag === 'slot') {
el.slotName = getBindingAttr(el, 'name');
if ("development" !== 'production' && el.key) {
warn$2(
"`key` does not work on <slot> because slots are abstract outlets " +
"and can possibly expand into multiple elements. " +
"Use the key on a wrapping element instead."
);
}
} else {
var slotScope;
if (el.tag === 'template') {
slotScope = getAndRemoveAttr(el, 'scope');
/* istanbul ignore if */
if ("development" !== 'production' && slotScope) {
warn$2(
"the \"scope\" attribute for scoped slots have been deprecated and " +
"replaced by \"slot-scope\" since 2.5. The new \"slot-scope\" attribute " +
"can also be used on plain elements in addition to <template> to " +
"denote scoped slots.",
true
);
}
el.slotScope = slotScope || getAndRemoveAttr(el, 'slot-scope');
} else if ((slotScope = getAndRemoveAttr(el, 'slot-scope'))) {
/* istanbul ignore if */
if ("development" !== 'production' && el.attrsMap['v-for']) {
warn$2(
"Ambiguous combined usage of slot-scope and v-for on <" + (el.tag) + "> " +
"(v-for takes higher priority). Use a wrapper <template> for the " +
"scoped slot to make it clearer.",
true
);
}
el.slotScope = slotScope;
}
var slotTarget = getBindingAttr(el, 'slot');
if (slotTarget) {
el.slotTarget = slotTarget === '""' ? '"default"' : slotTarget;
// preserve slot as an attribute for native shadow DOM compat
// only for non-scoped slots.
if (el.tag !== 'template' && !el.slotScope) {
addAttr(el, 'slot', slotTarget);
}
}
}
}
function processComponent (el) {
var binding;
if ((binding = getBindingAttr(el, 'is'))) {
el.component = binding;
}
if (getAndRemoveAttr(el, 'inline-template') != null) {
el.inlineTemplate = true;
}
}
function processAttrs (el) {
var list = el.attrsList;
var i, l, name, rawName, value, modifiers, isProp;
for (i = 0, l = list.length; i < l; i++) {
name = rawName = list[i].name;
value = list[i].value;
if (dirRE.test(name)) {
// mark element as dynamic
el.hasBindings = true;
// modifiers
modifiers = parseModifiers(name);
if (modifiers) {
name = name.replace(modifierRE, );
}
if (bindRE.test(name)) { // v-bind
name = name.replace(bindRE, );
value = parseFilters(value);
isProp = false;
if (modifiers) {
if (modifiers.prop) {
isProp = true;
name = camelize(name);
if (name === 'innerHtml') { name = 'innerHTML'; }
}
if (modifiers.camel) {
name = camelize(name);
}
if (modifiers.sync) {
addHandler(
el,
("update:" + (camelize(name))),
genAssignmentCode(value, "$event")
);
}
}
if (isProp || (
!el.component && platformMustUseProp(el.tag, el.attrsMap.type, name)
)) {
addProp(el, name, value);
} else {
addAttr(el, name, value);
}
} else if (onRE.test(name)) { // v-on
name = name.replace(onRE, );
addHandler(el, name, value, modifiers, false, warn$2);
} else { // normal directives
name = name.replace(dirRE, );
// parse arg
var argMatch = name.match(argRE);
var arg = argMatch && argMatch[1];
if (arg) {
name = name.slice(0, -(arg.length + 1));
}
addDirective(el, name, rawName, value, arg, modifiers);
if ("development" !== 'production' && name === 'model') {
checkForAliasModel(el, value);
}
}
} else {
// literal attribute
{
var res = parseText(value, delimiters);
if (res) {
warn$2(
name + "=\"" + value + "\": " +
'Interpolation inside attributes has been removed. ' +
'Use v-bind or the colon shorthand instead. For example, ' +
'instead of );
}
}
addAttr(el, name, JSON.stringify(value));
// #6887 firefox doesn't update muted state if set via attribute
// even immediately after element creation
if (!el.component &&
name === 'muted' &&
platformMustUseProp(el.tag, el.attrsMap.type, name)) {
addProp(el, name, 'true');
}
}
}
}
function checkInFor (el) {
var parent = el;
while (parent) {
if (parent.for !== undefined) {
return true
}
parent = parent.parent;
}
return false
}
function parseModifiers (name) {
var match = name.match(modifierRE);
if (match) {
var ret = {};
match.forEach(function (m) { ret[m.slice(1)] = true; });
return ret
}
}
function makeAttrsMap (attrs) {
var map = {};
for (var i = 0, l = attrs.length; i < l; i++) {
if (
"development" !== 'production' &&
map[attrs[i].name] && !isIE && !isEdge
) {
warn$2('duplicate attribute: ' + attrs[i].name);
}
map[attrs[i].name] = attrs[i].value;
}
return map
}
// for script (e.g. type="x/template") or style, do not decode content function isTextTag (el) {
return el.tag === 'script' || el.tag === 'style'
}
function isForbiddenTag (el) {
return (
el.tag === 'style' ||
(el.tag === 'script' && (
!el.attrsMap.type ||
el.attrsMap.type === 'text/javascript'
))
)
}
var ieNSBug = /^xmlns:NS\d+/; var ieNSPrefix = /^NS\d+:/;
/* istanbul ignore next */ function guardIESVGBug (attrs) {
var res = [];
for (var i = 0; i < attrs.length; i++) {
var attr = attrs[i];
if (!ieNSBug.test(attr.name)) {
attr.name = attr.name.replace(ieNSPrefix, );
res.push(attr);
}
}
return res
}
function checkForAliasModel (el, value) {
var _el = el;
while (_el) {
if (_el.for && _el.alias === value) {
warn$2(
"<" + (el.tag) + " v-model=\"" + value + "\">: " +
"You are binding v-model directly to a v-for iteration alias. " +
"This will not be able to modify the v-for source array because " +
"writing to the alias is like modifying a function local variable. " +
"Consider using an array of objects and use v-model on an object property instead."
);
}
_el = _el.parent;
}
}
/* */
/**
* Expand input[v-model] with dyanmic type bindings into v-if-else chains * Turn this: * <input v-model="data[type]" :type="type"> * into this: * <input v-if="type === 'checkbox'" type="checkbox" v-model="data[type]"> * <input v-else-if="type === 'radio'" type="radio" v-model="data[type]"> * <input v-else :type="type" v-model="data[type]"> */
function preTransformNode (el, options) {
if (el.tag === 'input') {
var map = el.attrsMap;
if (!map['v-model']) {
return
}
var typeBinding;
if (map[':type'] || map['v-bind:type']) {
typeBinding = getBindingAttr(el, 'type');
}
if (!map.type && !typeBinding && map['v-bind']) {
typeBinding = "(" + (map['v-bind']) + ").type";
}
if (typeBinding) {
var ifCondition = getAndRemoveAttr(el, 'v-if', true);
var ifConditionExtra = ifCondition ? ("&&(" + ifCondition + ")") : "";
var hasElse = getAndRemoveAttr(el, 'v-else', true) != null;
var elseIfCondition = getAndRemoveAttr(el, 'v-else-if', true);
// 1. checkbox
var branch0 = cloneASTElement(el);
// process for on the main node
processFor(branch0);
addRawAttr(branch0, 'type', 'checkbox');
processElement(branch0, options);
branch0.processed = true; // prevent it from double-processed
branch0.if = "(" + typeBinding + ")==='checkbox'" + ifConditionExtra;
addIfCondition(branch0, {
exp: branch0.if,
block: branch0
});
// 2. add radio else-if condition
var branch1 = cloneASTElement(el);
getAndRemoveAttr(branch1, 'v-for', true);
addRawAttr(branch1, 'type', 'radio');
processElement(branch1, options);
addIfCondition(branch0, {
exp: "(" + typeBinding + ")==='radio'" + ifConditionExtra,
block: branch1
});
// 3. other
var branch2 = cloneASTElement(el);
getAndRemoveAttr(branch2, 'v-for', true);
addRawAttr(branch2, ':type', typeBinding);
processElement(branch2, options);
addIfCondition(branch0, {
exp: ifCondition,
block: branch2
});
if (hasElse) {
branch0.else = true;
} else if (elseIfCondition) {
branch0.elseif = elseIfCondition;
}
return branch0 } }
}
function cloneASTElement (el) {
return createASTElement(el.tag, el.attrsList.slice(), el.parent)
}
var model$2 = {
preTransformNode: preTransformNode
}
var modules$1 = [
klass$1, style$1, model$2
]
/* */
function text (el, dir) {
if (dir.value) {
addProp(el, 'textContent', ("_s(" + (dir.value) + ")"));
}
}
/* */
function html (el, dir) {
if (dir.value) {
addProp(el, 'innerHTML', ("_s(" + (dir.value) + ")"));
}
}
var directives$1 = {
model: model, text: text, html: html
}
/* */
var baseOptions = {
expectHTML: true, modules: modules$1, directives: directives$1, isPreTag: isPreTag, isUnaryTag: isUnaryTag, mustUseProp: mustUseProp, canBeLeftOpenTag: canBeLeftOpenTag, isReservedTag: isReservedTag, getTagNamespace: getTagNamespace, staticKeys: genStaticKeys(modules$1)
};
/* */
var isStaticKey; var isPlatformReservedTag;
var genStaticKeysCached = cached(genStaticKeys$1);
/**
* Goal of the optimizer: walk the generated template AST tree * and detect sub-trees that are purely static, i.e. parts of * the DOM that never needs to change. * * Once we detect these sub-trees, we can: * * 1. Hoist them into constants, so that we no longer need to * create fresh nodes for them on each re-render; * 2. Completely skip them in the patching process. */
function optimize (root, options) {
if (!root) { return }
isStaticKey = genStaticKeysCached(options.staticKeys || );
isPlatformReservedTag = options.isReservedTag || no;
// first pass: mark all non-static nodes.
markStatic$1(root);
// second pass: mark static roots.
markStaticRoots(root, false);
}
function genStaticKeys$1 (keys) {
return makeMap( 'type,tag,attrsList,attrsMap,plain,parent,children,attrs' + (keys ? ',' + keys : ) )
}
function markStatic$1 (node) {
node.static = isStatic(node);
if (node.type === 1) {
// do not make component slot content static. this avoids
// 1. components not able to mutate slot nodes
// 2. static slot content fails for hot-reloading
if (
!isPlatformReservedTag(node.tag) &&
node.tag !== 'slot' &&
node.attrsMap['inline-template'] == null
) {
return
}
for (var i = 0, l = node.children.length; i < l; i++) {
var child = node.children[i];
markStatic$1(child);
if (!child.static) {
node.static = false;
}
}
if (node.ifConditions) {
for (var i$1 = 1, l$1 = node.ifConditions.length; i$1 < l$1; i$1++) {
var block = node.ifConditions[i$1].block;
markStatic$1(block);
if (!block.static) {
node.static = false;
}
}
}
}
}
function markStaticRoots (node, isInFor) {
if (node.type === 1) {
if (node.static || node.once) {
node.staticInFor = isInFor;
}
// For a node to qualify as a static root, it should have children that
// are not just static text. Otherwise the cost of hoisting out will
// outweigh the benefits and it's better off to just always render it fresh.
if (node.static && node.children.length && !(
node.children.length === 1 &&
node.children[0].type === 3
)) {
node.staticRoot = true;
return
} else {
node.staticRoot = false;
}
if (node.children) {
for (var i = 0, l = node.children.length; i < l; i++) {
markStaticRoots(node.children[i], isInFor || !!node.for);
}
}
if (node.ifConditions) {
for (var i$1 = 1, l$1 = node.ifConditions.length; i$1 < l$1; i$1++) {
markStaticRoots(node.ifConditions[i$1].block, isInFor);
}
}
}
}
function isStatic (node) {
if (node.type === 2) { // expression
return false
}
if (node.type === 3) { // text
return true
}
return !!(node.pre || (
!node.hasBindings && // no dynamic bindings
!node.if && !node.for && // not v-if or v-for or v-else
!isBuiltInTag(node.tag) && // not a built-in
isPlatformReservedTag(node.tag) && // not a component
!isDirectChildOfTemplateFor(node) &&
Object.keys(node).every(isStaticKey)
))
}
function isDirectChildOfTemplateFor (node) {
while (node.parent) {
node = node.parent;
if (node.tag !== 'template') {
return false
}
if (node.for) {
return true
}
}
return false
}
/* */
var fnExpRE = /^([\w$_]+|\([^)]*?\))\s*=>|^function\s*\(/; var simplePathRE = /^[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['[^']*?']|\["[^"]*?"]|\[\d+]|\[[A-Za-z_$][\w$]*])*$/;
// KeyboardEvent.keyCode aliases var keyCodes = {
esc: 27, tab: 9, enter: 13, space: 32, up: 38, left: 37, right: 39, down: 40, 'delete': [8, 46]
};
// KeyboardEvent.key aliases var keyNames = {
esc: 'Escape', tab: 'Tab', enter: 'Enter', space: ' ', // #7806: IE11 uses key names without `Arrow` prefix for arrow keys. up: ['Up', 'ArrowUp'], left: ['Left', 'ArrowLeft'], right: ['Right', 'ArrowRight'], down: ['Down', 'ArrowDown'], 'delete': ['Backspace', 'Delete']
};
// #4868: modifiers that prevent the execution of the listener // need to explicitly return null so that we can determine whether to remove // the listener for .once var genGuard = function (condition) { return ("if(" + condition + ")return null;"); };
var modifierCode = {
stop: '$event.stopPropagation();',
prevent: '$event.preventDefault();',
self: genGuard("$event.target !== $event.currentTarget"),
ctrl: genGuard("!$event.ctrlKey"),
shift: genGuard("!$event.shiftKey"),
alt: genGuard("!$event.altKey"),
meta: genGuard("!$event.metaKey"),
left: genGuard("'button' in $event && $event.button !== 0"),
middle: genGuard("'button' in $event && $event.button !== 1"),
right: genGuard("'button' in $event && $event.button !== 2")
};
function genHandlers (
events, isNative, warn
) {
var res = isNative ? 'nativeOn:{' : 'on:{';
for (var name in events) {
res += "\"" + name + "\":" + (genHandler(name, events[name])) + ",";
}
return res.slice(0, -1) + '}'
}
function genHandler (
name, handler
) {
if (!handler) {
return 'function(){}'
}
if (Array.isArray(handler)) {
return ("[" + (handler.map(function (handler) { return genHandler(name, handler); }).join(',')) + "]")
}
var isMethodPath = simplePathRE.test(handler.value); var isFunctionExpression = fnExpRE.test(handler.value);
if (!handler.modifiers) {
if (isMethodPath || isFunctionExpression) {
return handler.value
}
/* istanbul ignore if */
return ("function($event){" + (handler.value) + "}") // inline statement
} else {
var code = ;
var genModifierCode = ;
var keys = [];
for (var key in handler.modifiers) {
if (modifierCode[key]) {
genModifierCode += modifierCode[key];
// left/right
if (keyCodes[key]) {
keys.push(key);
}
} else if (key === 'exact') {
var modifiers = (handler.modifiers);
genModifierCode += genGuard(
['ctrl', 'shift', 'alt', 'meta']
.filter(function (keyModifier) { return !modifiers[keyModifier]; })
.map(function (keyModifier) { return ("$event." + keyModifier + "Key"); })
.join('||')
);
} else {
keys.push(key);
}
}
if (keys.length) {
code += genKeyFilter(keys);
}
// Make sure modifiers like prevent and stop get executed after key filtering
if (genModifierCode) {
code += genModifierCode;
}
var handlerCode = isMethodPath
? ("return " + (handler.value) + "($event)")
: isFunctionExpression
? ("return (" + (handler.value) + ")($event)")
: handler.value;
/* istanbul ignore if */
return ("function($event){" + code + handlerCode + "}")
}
}
function genKeyFilter (keys) {
return ("if(!('button' in $event)&&" + (keys.map(genFilterCode).join('&&')) + ")return null;")
}
function genFilterCode (key) {
var keyVal = parseInt(key, 10);
if (keyVal) {
return ("$event.keyCode!==" + keyVal)
}
var keyCode = keyCodes[key];
var keyName = keyNames[key];
return (
"_k($event.keyCode," +
(JSON.stringify(key)) + "," +
(JSON.stringify(keyCode)) + "," +
"$event.key," +
"" + (JSON.stringify(keyName)) +
")"
)
}
/* */
function on (el, dir) {
if ("development" !== 'production' && dir.modifiers) {
warn("v-on without argument does not support modifiers.");
}
el.wrapListeners = function (code) { return ("_g(" + code + "," + (dir.value) + ")"); };
}
/* */
function bind$1 (el, dir) {
el.wrapData = function (code) {
return ("_b(" + code + ",'" + (el.tag) + "'," + (dir.value) + "," + (dir.modifiers && dir.modifiers.prop ? 'true' : 'false') + (dir.modifiers && dir.modifiers.sync ? ',true' : ) + ")")
};
}
/* */
var baseDirectives = {
on: on, bind: bind$1, cloak: noop
}
/* */
var CodegenState = function CodegenState (options) {
this.options = options;
this.warn = options.warn || baseWarn;
this.transforms = pluckModuleFunction(options.modules, 'transformCode');
this.dataGenFns = pluckModuleFunction(options.modules, 'genData');
this.directives = extend(extend({}, baseDirectives), options.directives);
var isReservedTag = options.isReservedTag || no;
this.maybeComponent = function (el) { return !isReservedTag(el.tag); };
this.onceId = 0;
this.staticRenderFns = [];
};
function generate (
ast, options
) {
var state = new CodegenState(options);
var code = ast ? genElement(ast, state) : '_c("div")';
return {
render: ("with(this){return " + code + "}"),
staticRenderFns: state.staticRenderFns
}
}
function genElement (el, state) {
if (el.staticRoot && !el.staticProcessed) {
return genStatic(el, state)
} else if (el.once && !el.onceProcessed) {
return genOnce(el, state)
} else if (el.for && !el.forProcessed) {
return genFor(el, state)
} else if (el.if && !el.ifProcessed) {
return genIf(el, state)
} else if (el.tag === 'template' && !el.slotTarget) {
return genChildren(el, state) || 'void 0'
} else if (el.tag === 'slot') {
return genSlot(el, state)
} else {
// component or element
var code;
if (el.component) {
code = genComponent(el.component, el, state);
} else {
var data = el.plain ? undefined : genData$2(el, state);
var children = el.inlineTemplate ? null : genChildren(el, state, true);
code = "_c('" + (el.tag) + "'" + (data ? ("," + data) : ) + (children ? ("," + children) : ) + ")";
}
// module transforms
for (var i = 0; i < state.transforms.length; i++) {
code = state.transforms[i](el, code);
}
return code
}
}
// hoist static sub-trees out function genStatic (el, state) {
el.staticProcessed = true;
state.staticRenderFns.push(("with(this){return " + (genElement(el, state)) + "}"));
return ("_m(" + (state.staticRenderFns.length - 1) + (el.staticInFor ? ',true' : ) + ")")
}
// v-once function genOnce (el, state) {
el.onceProcessed = true;
if (el.if && !el.ifProcessed) {
return genIf(el, state)
} else if (el.staticInFor) {
var key = ;
var parent = el.parent;
while (parent) {
if (parent.for) {
key = parent.key;
break
}
parent = parent.parent;
}
if (!key) {
"development" !== 'production' && state.warn(
"v-once can only be used inside v-for that is keyed. "
);
return genElement(el, state)
}
return ("_o(" + (genElement(el, state)) + "," + (state.onceId++) + "," + key + ")")
} else {
return genStatic(el, state)
}
}
function genIf (
el, state, altGen, altEmpty
) {
el.ifProcessed = true; // avoid recursion return genIfConditions(el.ifConditions.slice(), state, altGen, altEmpty)
}
function genIfConditions (
conditions, state, altGen, altEmpty
) {
if (!conditions.length) {
return altEmpty || '_e()'
}
var condition = conditions.shift();
if (condition.exp) {
return ("(" + (condition.exp) + ")?" + (genTernaryExp(condition.block)) + ":" + (genIfConditions(conditions, state, altGen, altEmpty)))
} else {
return ("" + (genTernaryExp(condition.block)))
}
// v-if with v-once should generate code like (a)?_m(0):_m(1)
function genTernaryExp (el) {
return altGen
? altGen(el, state)
: el.once
? genOnce(el, state)
: genElement(el, state)
}
}
function genFor (
el, state, altGen, altHelper
) {
var exp = el.for;
var alias = el.alias;
var iterator1 = el.iterator1 ? ("," + (el.iterator1)) : ;
var iterator2 = el.iterator2 ? ("," + (el.iterator2)) : ;
if ("development" !== 'production' &&
state.maybeComponent(el) &&
el.tag !== 'slot' &&
el.tag !== 'template' &&
!el.key
) {
state.warn(
"<" + (el.tag) + " v-for=\"" + alias + " in " + exp + "\">: component lists rendered with " +
"v-for should have explicit keys. " +
"See https://vuejs.org/guide/list.html#key for more info.",
true /* tip */
);
}
el.forProcessed = true; // avoid recursion
return (altHelper || '_l') + "((" + exp + ")," +
"function(" + alias + iterator1 + iterator2 + "){" +
"return " + ((altGen || genElement)(el, state)) +
'})'
}
function genData$2 (el, state) {
var data = '{';
// directives first.
// directives may mutate the el's other properties before they are generated.
var dirs = genDirectives(el, state);
if (dirs) { data += dirs + ','; }
// key
if (el.key) {
data += "key:" + (el.key) + ",";
}
// ref
if (el.ref) {
data += "ref:" + (el.ref) + ",";
}
if (el.refInFor) {
data += "refInFor:true,";
}
// pre
if (el.pre) {
data += "pre:true,";
}
// record original tag name for components using "is" attribute
if (el.component) {
data += "tag:\"" + (el.tag) + "\",";
}
// module data generation functions
for (var i = 0; i < state.dataGenFns.length; i++) {
data += state.dataGenFns[i](el);
}
// attributes
if (el.attrs) {
data += "attrs:{" + (genProps(el.attrs)) + "},";
}
// DOM props
if (el.props) {
data += "domProps:{" + (genProps(el.props)) + "},";
}
// event handlers
if (el.events) {
data += (genHandlers(el.events, false, state.warn)) + ",";
}
if (el.nativeEvents) {
data += (genHandlers(el.nativeEvents, true, state.warn)) + ",";
}
// slot target
// only for non-scoped slots
if (el.slotTarget && !el.slotScope) {
data += "slot:" + (el.slotTarget) + ",";
}
// scoped slots
if (el.scopedSlots) {
data += (genScopedSlots(el.scopedSlots, state)) + ",";
}
// component v-model
if (el.model) {
data += "model:{value:" + (el.model.value) + ",callback:" + (el.model.callback) + ",expression:" + (el.model.expression) + "},";
}
// inline-template
if (el.inlineTemplate) {
var inlineTemplate = genInlineTemplate(el, state);
if (inlineTemplate) {
data += inlineTemplate + ",";
}
}
data = data.replace(/,$/, ) + '}';
// v-bind data wrap
if (el.wrapData) {
data = el.wrapData(data);
}
// v-on data wrap
if (el.wrapListeners) {
data = el.wrapListeners(data);
}
return data
}
function genDirectives (el, state) {
var dirs = el.directives;
if (!dirs) { return }
var res = 'directives:[';
var hasRuntime = false;
var i, l, dir, needRuntime;
for (i = 0, l = dirs.length; i < l; i++) {
dir = dirs[i];
needRuntime = true;
var gen = state.directives[dir.name];
if (gen) {
// compile-time directive that manipulates AST.
// returns true if it also needs a runtime counterpart.
needRuntime = !!gen(el, dir, state.warn);
}
if (needRuntime) {
hasRuntime = true;
res += "{name:\"" + (dir.name) + "\",rawName:\"" + (dir.rawName) + "\"" + (dir.value ? (",value:(" + (dir.value) + "),expression:" + (JSON.stringify(dir.value))) : ) + (dir.arg ? (",arg:\"" + (dir.arg) + "\"") : ) + (dir.modifiers ? (",modifiers:" + (JSON.stringify(dir.modifiers))) : ) + "},";
}
}
if (hasRuntime) {
return res.slice(0, -1) + ']'
}
}
function genInlineTemplate (el, state) {
var ast = el.children[0];
if ("development" !== 'production' && (
el.children.length !== 1 || ast.type !== 1
)) {
state.warn('Inline-template components must have exactly one child element.');
}
if (ast.type === 1) {
var inlineRenderFns = generate(ast, state.options);
return ("inlineTemplate:{render:function(){" + (inlineRenderFns.render) + "},staticRenderFns:[" + (inlineRenderFns.staticRenderFns.map(function (code) { return ("function(){" + code + "}"); }).join(',')) + "]}")
}
}
function genScopedSlots (
slots, state
) {
return ("scopedSlots:_u([" + (Object.keys(slots).map(function (key) {
return genScopedSlot(key, slots[key], state)
}).join(',')) + "])")
}
function genScopedSlot (
key, el, state
) {
if (el.for && !el.forProcessed) {
return genForScopedSlot(key, el, state)
}
var fn = "function(" + (String(el.slotScope)) + "){" +
"return " + (el.tag === 'template'
? el.if
? ((el.if) + "?" + (genChildren(el, state) || 'undefined') + ":undefined")
: genChildren(el, state) || 'undefined'
: genElement(el, state)) + "}";
return ("{key:" + key + ",fn:" + fn + "}")
}
function genForScopedSlot (
key, el, state
) {
var exp = el.for;
var alias = el.alias;
var iterator1 = el.iterator1 ? ("," + (el.iterator1)) : ;
var iterator2 = el.iterator2 ? ("," + (el.iterator2)) : ;
el.forProcessed = true; // avoid recursion
return "_l((" + exp + ")," +
"function(" + alias + iterator1 + iterator2 + "){" +
"return " + (genScopedSlot(key, el, state)) +
'})'
}
function genChildren (
el, state, checkSkip, altGenElement, altGenNode
) {
var children = el.children;
if (children.length) {
var el$1 = children[0];
// optimize single v-for
if (children.length === 1 &&
el$1.for &&
el$1.tag !== 'template' &&
el$1.tag !== 'slot'
) {
return (altGenElement || genElement)(el$1, state)
}
var normalizationType = checkSkip
? getNormalizationType(children, state.maybeComponent)
: 0;
var gen = altGenNode || genNode;
return ("[" + (children.map(function (c) { return gen(c, state); }).join(',')) + "]" + (normalizationType ? ("," + normalizationType) : ))
}
}
// determine the normalization needed for the children array. // 0: no normalization needed // 1: simple normalization needed (possible 1-level deep nested array) // 2: full normalization needed function getNormalizationType (
children, maybeComponent
) {
var res = 0;
for (var i = 0; i < children.length; i++) {
var el = children[i];
if (el.type !== 1) {
continue
}
if (needsNormalization(el) ||
(el.ifConditions && el.ifConditions.some(function (c) { return needsNormalization(c.block); }))) {
res = 2;
break
}
if (maybeComponent(el) ||
(el.ifConditions && el.ifConditions.some(function (c) { return maybeComponent(c.block); }))) {
res = 1;
}
}
return res
}
function needsNormalization (el) {
return el.for !== undefined || el.tag === 'template' || el.tag === 'slot'
}
function genNode (node, state) {
if (node.type === 1) {
return genElement(node, state)
} if (node.type === 3 && node.isComment) {
return genComment(node)
} else {
return genText(node)
}
}
function genText (text) {
return ("_v(" + (text.type === 2
? text.expression // no need for () because already wrapped in _s()
: transformSpecialNewlines(JSON.stringify(text.text))) + ")")
}
function genComment (comment) {
return ("_e(" + (JSON.stringify(comment.text)) + ")")
}
function genSlot (el, state) {
var slotName = el.slotName || '"default"';
var children = genChildren(el, state);
var res = "_t(" + slotName + (children ? ("," + children) : );
var attrs = el.attrs && ("{" + (el.attrs.map(function (a) { return ((camelize(a.name)) + ":" + (a.value)); }).join(',')) + "}");
var bind$$1 = el.attrsMap['v-bind'];
if ((attrs || bind$$1) && !children) {
res += ",null";
}
if (attrs) {
res += "," + attrs;
}
if (bind$$1) {
res += (attrs ? : ',null') + "," + bind$$1;
}
return res + ')'
}
// componentName is el.component, take it as argument to shun flow's pessimistic refinement function genComponent (
componentName, el, state
) {
var children = el.inlineTemplate ? null : genChildren(el, state, true);
return ("_c(" + componentName + "," + (genData$2(el, state)) + (children ? ("," + children) : ) + ")")
}
function genProps (props) {
var res = ;
for (var i = 0; i < props.length; i++) {
var prop = props[i];
/* istanbul ignore if */
{
res += "\"" + (prop.name) + "\":" + (transformSpecialNewlines(prop.value)) + ",";
}
}
return res.slice(0, -1)
}
// #3895, #4268 function transformSpecialNewlines (text) {
return text .replace(/\u2028/g, '\\u2028') .replace(/\u2029/g, '\\u2029')
}
/* */
// these keywords should not appear inside expressions, but operators like // typeof, instanceof and in are allowed var prohibitedKeywordRE = new RegExp('\\b' + (
'do,if,for,let,new,try,var,case,else,with,await,break,catch,class,const,' + 'super,throw,while,yield,delete,export,import,return,switch,default,' + 'extends,finally,continue,debugger,function,arguments'
).split(',').join('\\b|\\b') + '\\b');
// these unary operators should not be used as property/method names var unaryOperatorsRE = new RegExp('\\b' + (
'delete,typeof,void'
).split(',').join('\\s*\\([^\\)]*\\)|\\b') + '\\s*\\([^\\)]*\\)');
// strip strings in expressions var stripStringRE = /'(?:[^'\\]|\\.)*'|"(?:[^"\\]|\\.)*"|`(?:[^`\\]|\\.)*\$\{|\}(?:[^`\\]|\\.)*`|`(?:[^`\\]|\\.)*`/g;
// detect problematic expressions in a template function detectErrors (ast) {
var errors = [];
if (ast) {
checkNode(ast, errors);
}
return errors
}
function checkNode (node, errors) {
if (node.type === 1) {
for (var name in node.attrsMap) {
if (dirRE.test(name)) {
var value = node.attrsMap[name];
if (value) {
if (name === 'v-for') {
checkFor(node, ("v-for=\"" + value + "\""), errors);
} else if (onRE.test(name)) {
checkEvent(value, (name + "=\"" + value + "\""), errors);
} else {
checkExpression(value, (name + "=\"" + value + "\""), errors);
}
}
}
}
if (node.children) {
for (var i = 0; i < node.children.length; i++) {
checkNode(node.children[i], errors);
}
}
} else if (node.type === 2) {
checkExpression(node.expression, node.text, errors);
}
}
function checkEvent (exp, text, errors) {
var stipped = exp.replace(stripStringRE, );
var keywordMatch = stipped.match(unaryOperatorsRE);
if (keywordMatch && stipped.charAt(keywordMatch.index - 1) !== '$') {
errors.push(
"avoid using JavaScript unary operator as property name: " +
"\"" + (keywordMatch[0]) + "\" in expression " + (text.trim())
);
}
checkExpression(exp, text, errors);
}
function checkFor (node, text, errors) {
checkExpression(node.for || , text, errors); checkIdentifier(node.alias, 'v-for alias', text, errors); checkIdentifier(node.iterator1, 'v-for iterator', text, errors); checkIdentifier(node.iterator2, 'v-for iterator', text, errors);
}
function checkIdentifier (
ident, type, text, errors
) {
if (typeof ident === 'string') {
try {
new Function(("var " + ident + "=_"));
} catch (e) {
errors.push(("invalid " + type + " \"" + ident + "\" in expression: " + (text.trim())));
}
}
}
function checkExpression (exp, text, errors) {
try {
new Function(("return " + exp));
} catch (e) {
var keywordMatch = exp.replace(stripStringRE, ).match(prohibitedKeywordRE);
if (keywordMatch) {
errors.push(
"avoid using JavaScript keyword as property name: " +
"\"" + (keywordMatch[0]) + "\"\n Raw expression: " + (text.trim())
);
} else {
errors.push(
"invalid expression: " + (e.message) + " in\n\n" +
" " + exp + "\n\n" +
" Raw expression: " + (text.trim()) + "\n"
);
}
}
}
/* */
function createFunction (code, errors) {
try {
return new Function(code)
} catch (err) {
errors.push({ err: err, code: code });
return noop
}
}
function createCompileToFunctionFn (compile) {
var cache = Object.create(null);
return function compileToFunctions (
template,
options,
vm
) {
options = extend({}, options);
var warn$$1 = options.warn || warn;
delete options.warn;
/* istanbul ignore if */
{
// detect possible CSP restriction
try {
new Function('return 1');
} catch (e) {
if (e.toString().match(/unsafe-eval|CSP/)) {
warn$$1(
'It seems you are using the standalone build of Vue.js in an ' +
'environment with Content Security Policy that prohibits unsafe-eval. ' +
'The template compiler cannot work in this environment. Consider ' +
'relaxing the policy to allow unsafe-eval or pre-compiling your ' +
'templates into render functions.'
);
}
}
}
// check cache
var key = options.delimiters
? String(options.delimiters) + template
: template;
if (cache[key]) {
return cache[key]
}
// compile var compiled = compile(template, options);
// check compilation errors/tips
{
if (compiled.errors && compiled.errors.length) {
warn$$1(
"Error compiling template:\n\n" + template + "\n\n" +
compiled.errors.map(function (e) { return ("- " + e); }).join('\n') + '\n',
vm
);
}
if (compiled.tips && compiled.tips.length) {
compiled.tips.forEach(function (msg) { return tip(msg, vm); });
}
}
// turn code into functions
var res = {};
var fnGenErrors = [];
res.render = createFunction(compiled.render, fnGenErrors);
res.staticRenderFns = compiled.staticRenderFns.map(function (code) {
return createFunction(code, fnGenErrors)
});
// check function generation errors.
// this should only happen if there is a bug in the compiler itself.
// mostly for codegen development use
/* istanbul ignore if */
{
if ((!compiled.errors || !compiled.errors.length) && fnGenErrors.length) {
warn$$1(
"Failed to generate render function:\n\n" +
fnGenErrors.map(function (ref) {
var err = ref.err;
var code = ref.code;
return ((err.toString()) + " in\n\n" + code + "\n");
}).join('\n'),
vm
);
}
}
return (cache[key] = res) }
}
/* */
function createCompilerCreator (baseCompile) {
return function createCompiler (baseOptions) {
function compile (
template,
options
) {
var finalOptions = Object.create(baseOptions);
var errors = [];
var tips = [];
finalOptions.warn = function (msg, tip) {
(tip ? tips : errors).push(msg);
};
if (options) {
// merge custom modules
if (options.modules) {
finalOptions.modules =
(baseOptions.modules || []).concat(options.modules);
}
// merge custom directives
if (options.directives) {
finalOptions.directives = extend(
Object.create(baseOptions.directives || null),
options.directives
);
}
// copy other options
for (var key in options) {
if (key !== 'modules' && key !== 'directives') {
finalOptions[key] = options[key];
}
}
}
var compiled = baseCompile(template, finalOptions);
{
errors.push.apply(errors, detectErrors(compiled.ast));
}
compiled.errors = errors;
compiled.tips = tips;
return compiled
}
return {
compile: compile,
compileToFunctions: createCompileToFunctionFn(compile)
}
}
}
/* */
// `createCompilerCreator` allows creating compilers that use alternative // parser/optimizer/codegen, e.g the SSR optimizing compiler. // Here we just export a default compiler using the default parts. var createCompiler = createCompilerCreator(function baseCompile (
template, options
) {
var ast = parse(template.trim(), options);
if (options.optimize !== false) {
optimize(ast, options);
}
var code = generate(ast, options);
return {
ast: ast,
render: code.render,
staticRenderFns: code.staticRenderFns
}
});
/* */
var ref$1 = createCompiler(baseOptions); var compileToFunctions = ref$1.compileToFunctions;
/* */
// check whether current browser encodes a char inside attribute values var div; function getShouldDecode (href) {
div = div || document.createElement('div');
div.innerHTML = href ? "<a href=\"\n\"/>" : "<div a=\"\n\"/>";
return div.innerHTML.indexOf('
') > 0
}
// #3663: IE encodes newlines inside attribute values while other browsers don't var shouldDecodeNewlines = inBrowser ? getShouldDecode(false) : false; // #6828: chrome encodes content in a[href] var shouldDecodeNewlinesForHref = inBrowser ? getShouldDecode(true) : false;
/* */
var idToTemplate = cached(function (id) {
var el = query(id); return el && el.innerHTML
});
var mount = Vue.prototype.$mount; Vue.prototype.$mount = function (
el, hydrating
) {
el = el && query(el);
/* istanbul ignore if */
if (el === document.body || el === document.documentElement) {
"development" !== 'production' && warn(
"Do not mount Vue to or - mount to normal elements instead."
);
return this
}
var options = this.$options;
// resolve template/el and convert to render function
if (!options.render) {
var template = options.template;
if (template) {
if (typeof template === 'string') {
if (template.charAt(0) === '#') {
template = idToTemplate(template);
/* istanbul ignore if */
if ("development" !== 'production' && !template) {
warn(
("Template element not found or is empty: " + (options.template)),
this
);
}
}
} else if (template.nodeType) {
template = template.innerHTML;
} else {
{
warn('invalid template option:' + template, this);
}
return this
}
} else if (el) {
template = getOuterHTML(el);
}
if (template) {
/* istanbul ignore if */
if ("development" !== 'production' && config.performance && mark) {
mark('compile');
}
var ref = compileToFunctions(template, {
shouldDecodeNewlines: shouldDecodeNewlines,
shouldDecodeNewlinesForHref: shouldDecodeNewlinesForHref,
delimiters: options.delimiters,
comments: options.comments
}, this);
var render = ref.render;
var staticRenderFns = ref.staticRenderFns;
options.render = render;
options.staticRenderFns = staticRenderFns;
/* istanbul ignore if */
if ("development" !== 'production' && config.performance && mark) {
mark('compile end');
measure(("vue " + (this._name) + " compile"), 'compile', 'compile end');
}
}
}
return mount.call(this, el, hydrating)
};
/**
* Get outerHTML of elements, taking care
* of SVG elements in IE as well.
*/
function getOuterHTML (el) {
if (el.outerHTML) {
return el.outerHTML
} else {
var container = document.createElement('div');
container.appendChild(el.cloneNode(true));
return container.innerHTML
}
}
Vue.compile = compileToFunctions;
return Vue;
})));