mirror of https://github.com/mindoc-org/mindoc.git
6830 lines
174 KiB
Go
6830 lines
174 KiB
Go
/*!
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* Vue.js v2.2.6
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* (c) 2014-2017 Evan You
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* Released under the MIT License.
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*/
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/* */
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/**
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* Convert a value to a string that is actually rendered.
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*/
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function _toString (val) {
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return val == null
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? ''
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: typeof val === 'object'
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? JSON.stringify(val, null, 2)
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: String(val)
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}
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/**
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* Convert a input value to a number for persistence.
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* If the conversion fails, return original string.
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*/
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function toNumber (val) {
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var n = parseFloat(val);
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return isNaN(n) ? val : n
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}
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/**
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* Make a map and return a function for checking if a key
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* is in that map.
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*/
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function makeMap (
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str,
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expectsLowerCase
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) {
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var map = Object.create(null);
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var list = str.split(',');
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for (var i = 0; i < list.length; i++) {
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map[list[i]] = true;
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}
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return expectsLowerCase
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? function (val) { return map[val.toLowerCase()]; }
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: function (val) { return map[val]; }
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}
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/**
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* Check if a tag is a built-in tag.
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*/
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var isBuiltInTag = makeMap('slot,component', true);
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/**
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* Remove an item from an array
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*/
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function remove (arr, item) {
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if (arr.length) {
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var index = arr.indexOf(item);
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if (index > -1) {
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return arr.splice(index, 1)
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}
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}
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}
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/**
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* Check whether the object has the property.
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*/
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var hasOwnProperty = Object.prototype.hasOwnProperty;
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function hasOwn (obj, key) {
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return hasOwnProperty.call(obj, key)
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}
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/**
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* Check if value is primitive
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*/
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function isPrimitive (value) {
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return typeof value === 'string' || typeof value === 'number'
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}
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/**
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* Create a cached version of a pure function.
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*/
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function cached (fn) {
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var cache = Object.create(null);
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return (function cachedFn (str) {
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var hit = cache[str];
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return hit || (cache[str] = fn(str))
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})
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}
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/**
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* Camelize a hyphen-delimited string.
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*/
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var camelizeRE = /-(\w)/g;
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var camelize = cached(function (str) {
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return str.replace(camelizeRE, function (_, c) { return c ? c.toUpperCase() : ''; })
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});
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/**
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* Capitalize a string.
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*/
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var capitalize = cached(function (str) {
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return str.charAt(0).toUpperCase() + str.slice(1)
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});
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/**
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* Hyphenate a camelCase string.
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*/
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var hyphenateRE = /([^-])([A-Z])/g;
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var hyphenate = cached(function (str) {
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return str
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.replace(hyphenateRE, '$1-$2')
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.replace(hyphenateRE, '$1-$2')
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.toLowerCase()
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});
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/**
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* Simple bind, faster than native
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*/
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function bind (fn, ctx) {
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function boundFn (a) {
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var l = arguments.length;
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return l
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? l > 1
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? fn.apply(ctx, arguments)
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: fn.call(ctx, a)
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: fn.call(ctx)
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}
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// record original fn length
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boundFn._length = fn.length;
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return boundFn
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}
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/**
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* Convert an Array-like object to a real Array.
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*/
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function toArray (list, start) {
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start = start || 0;
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var i = list.length - start;
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var ret = new Array(i);
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while (i--) {
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ret[i] = list[i + start];
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}
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return ret
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}
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/**
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* Mix properties into target object.
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*/
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function extend (to, _from) {
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for (var key in _from) {
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to[key] = _from[key];
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}
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return to
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}
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/**
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* Quick object check - this is primarily used to tell
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* Objects from primitive values when we know the value
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* is a JSON-compliant type.
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*/
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function isObject (obj) {
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return obj !== null && typeof obj === 'object'
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}
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/**
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* Strict object type check. Only returns true
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* for plain JavaScript objects.
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*/
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var toString = Object.prototype.toString;
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var OBJECT_STRING = '[object Object]';
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function isPlainObject (obj) {
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return toString.call(obj) === OBJECT_STRING
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}
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/**
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* Merge an Array of Objects into a single Object.
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*/
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function toObject (arr) {
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var res = {};
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for (var i = 0; i < arr.length; i++) {
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if (arr[i]) {
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extend(res, arr[i]);
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}
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}
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return res
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}
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/**
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* Perform no operation.
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*/
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function noop () {}
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/**
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* Always return false.
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*/
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var no = function () { return false; };
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/**
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* Return same value
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*/
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var identity = function (_) { return _; };
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/**
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* Generate a static keys string from compiler modules.
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*/
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/**
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* Check if two values are loosely equal - that is,
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* if they are plain objects, do they have the same shape?
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*/
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function looseEqual (a, b) {
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var isObjectA = isObject(a);
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var isObjectB = isObject(b);
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if (isObjectA && isObjectB) {
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try {
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return JSON.stringify(a) === JSON.stringify(b)
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} catch (e) {
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// possible circular reference
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return a === b
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}
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} else if (!isObjectA && !isObjectB) {
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return String(a) === String(b)
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} else {
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return false
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}
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}
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function looseIndexOf (arr, val) {
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for (var i = 0; i < arr.length; i++) {
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if (looseEqual(arr[i], val)) { return i }
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}
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return -1
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}
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/**
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* Ensure a function is called only once.
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*/
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function once (fn) {
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var called = false;
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return function () {
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if (!called) {
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called = true;
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fn();
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}
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}
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}
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/* */
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var config = {
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/**
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* Option merge strategies (used in core/util/options)
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*/
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optionMergeStrategies: Object.create(null),
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/**
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* Whether to suppress warnings.
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*/
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silent: false,
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/**
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* Show production mode tip message on boot?
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*/
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productionTip: process.env.NODE_ENV !== 'production',
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/**
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* Whether to enable devtools
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*/
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devtools: process.env.NODE_ENV !== 'production',
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/**
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* Whether to record perf
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*/
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performance: false,
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/**
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* Error handler for watcher errors
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*/
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errorHandler: null,
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/**
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* Ignore certain custom elements
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*/
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ignoredElements: [],
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/**
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* Custom user key aliases for v-on
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*/
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keyCodes: Object.create(null),
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/**
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* Check if a tag is reserved so that it cannot be registered as a
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* component. This is platform-dependent and may be overwritten.
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*/
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isReservedTag: no,
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/**
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* Check if a tag is an unknown element.
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* Platform-dependent.
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*/
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isUnknownElement: no,
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/**
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* Get the namespace of an element
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*/
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getTagNamespace: noop,
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/**
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* Parse the real tag name for the specific platform.
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*/
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parsePlatformTagName: identity,
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/**
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* Check if an attribute must be bound using property, e.g. value
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* Platform-dependent.
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*/
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mustUseProp: no,
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/**
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* List of asset types that a component can own.
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*/
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_assetTypes: [
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'component',
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'directive',
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'filter'
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],
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/**
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* List of lifecycle hooks.
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*/
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_lifecycleHooks: [
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'beforeCreate',
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'created',
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'beforeMount',
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'mounted',
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'beforeUpdate',
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'updated',
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'beforeDestroy',
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'destroyed',
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'activated',
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'deactivated'
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],
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/**
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* Max circular updates allowed in a scheduler flush cycle.
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*/
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_maxUpdateCount: 100
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};
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/* */
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var emptyObject = Object.freeze({});
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/**
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* Check if a string starts with $ or _
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*/
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function isReserved (str) {
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var c = (str + '').charCodeAt(0);
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return c === 0x24 || c === 0x5F
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}
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/**
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* Define a property.
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*/
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function def (obj, key, val, enumerable) {
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Object.defineProperty(obj, key, {
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value: val,
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enumerable: !!enumerable,
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writable: true,
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configurable: true
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});
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}
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/**
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* Parse simple path.
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*/
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var bailRE = /[^\w.$]/;
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function parsePath (path) {
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if (bailRE.test(path)) {
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return
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}
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var segments = path.split('.');
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return function (obj) {
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for (var i = 0; i < segments.length; i++) {
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if (!obj) { return }
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obj = obj[segments[i]];
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}
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return obj
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}
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}
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/* */
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/* globals MutationObserver */
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// can we use __proto__?
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var hasProto = '__proto__' in {};
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// Browser environment sniffing
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var inBrowser = typeof window !== 'undefined';
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var UA = inBrowser && window.navigator.userAgent.toLowerCase();
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var isIE = UA && /msie|trident/.test(UA);
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var isIE9 = UA && UA.indexOf('msie 9.0') > 0;
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var isEdge = UA && UA.indexOf('edge/') > 0;
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var isAndroid = UA && UA.indexOf('android') > 0;
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var isIOS = UA && /iphone|ipad|ipod|ios/.test(UA);
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var isChrome = UA && /chrome\/\d+/.test(UA) && !isEdge;
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// this needs to be lazy-evaled because vue may be required before
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// vue-server-renderer can set VUE_ENV
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var _isServer;
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var isServerRendering = function () {
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if (_isServer === undefined) {
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/* istanbul ignore if */
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if (!inBrowser && typeof global !== 'undefined') {
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// detect presence of vue-server-renderer and avoid
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// Webpack shimming the process
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_isServer = global['process'].env.VUE_ENV === 'server';
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} else {
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_isServer = false;
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}
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}
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return _isServer
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};
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// detect devtools
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var devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__;
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/* istanbul ignore next */
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function isNative (Ctor) {
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return /native code/.test(Ctor.toString())
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}
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var hasSymbol =
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typeof Symbol !== 'undefined' && isNative(Symbol) &&
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typeof Reflect !== 'undefined' && isNative(Reflect.ownKeys);
|
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/**
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* Defer a task to execute it asynchronously.
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*/
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var nextTick = (function () {
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var callbacks = [];
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var pending = false;
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var timerFunc;
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function nextTickHandler () {
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pending = false;
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var copies = callbacks.slice(0);
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callbacks.length = 0;
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for (var i = 0; i < copies.length; i++) {
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copies[i]();
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}
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}
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|
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// the nextTick behavior leverages the microtask queue, which can be accessed
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// via either native Promise.then or MutationObserver.
|
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// MutationObserver has wider support, however it is seriously bugged in
|
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// UIWebView in iOS >= 9.3.3 when triggered in touch event handlers. It
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// completely stops working after triggering a few times... so, if native
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// Promise is available, we will use it:
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/* istanbul ignore if */
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if (typeof Promise !== 'undefined' && isNative(Promise)) {
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var p = Promise.resolve();
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var logError = function (err) { console.error(err); };
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timerFunc = function () {
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p.then(nextTickHandler).catch(logError);
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// in problematic UIWebViews, Promise.then doesn't completely break, but
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// it can get stuck in a weird state where callbacks are pushed into the
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// microtask queue but the queue isn't being flushed, until the browser
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// needs to do some other work, e.g. handle a timer. Therefore we can
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// "force" the microtask queue to be flushed by adding an empty timer.
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if (isIOS) { setTimeout(noop); }
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};
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} else if (typeof MutationObserver !== 'undefined' && (
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isNative(MutationObserver) ||
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// PhantomJS and iOS 7.x
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MutationObserver.toString() === '[object MutationObserverConstructor]'
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)) {
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// use MutationObserver where native Promise is not available,
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// e.g. PhantomJS IE11, iOS7, Android 4.4
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var counter = 1;
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var observer = new MutationObserver(nextTickHandler);
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var textNode = document.createTextNode(String(counter));
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observer.observe(textNode, {
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characterData: true
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});
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timerFunc = function () {
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counter = (counter + 1) % 2;
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textNode.data = String(counter);
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};
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} else {
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// fallback to setTimeout
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/* istanbul ignore next */
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timerFunc = function () {
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setTimeout(nextTickHandler, 0);
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};
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}
|
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|
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return function queueNextTick (cb, ctx) {
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var _resolve;
|
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callbacks.push(function () {
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if (cb) { cb.call(ctx); }
|
|
if (_resolve) { _resolve(ctx); }
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|
});
|
|
if (!pending) {
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pending = true;
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timerFunc();
|
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}
|
|
if (!cb && typeof Promise !== 'undefined') {
|
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return new Promise(function (resolve) {
|
|
_resolve = resolve;
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})
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}
|
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}
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})();
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|
|
var _Set;
|
|
/* istanbul ignore if */
|
|
if (typeof Set !== 'undefined' && isNative(Set)) {
|
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// use native Set when available.
|
|
_Set = Set;
|
|
} else {
|
|
// a non-standard Set polyfill that only works with primitive keys.
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|
_Set = (function () {
|
|
function Set () {
|
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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;
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|
};
|
|
Set.prototype.clear = function clear () {
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|
this.set = Object.create(null);
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|
};
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|
|
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return Set;
|
|
}());
|
|
}
|
|
|
|
var warn = noop;
|
|
var tip = noop;
|
|
var formatComponentName;
|
|
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
var hasConsole = typeof console !== 'undefined';
|
|
var classifyRE = /(?:^|[-_])(\w)/g;
|
|
var classify = function (str) { return str
|
|
.replace(classifyRE, function (c) { return c.toUpperCase(); })
|
|
.replace(/[-_]/g, ''); };
|
|
|
|
warn = function (msg, vm) {
|
|
if (hasConsole && (!config.silent)) {
|
|
console.error("[Vue warn]: " + msg + " " + (
|
|
vm ? formatLocation(formatComponentName(vm)) : ''
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|
));
|
|
}
|
|
};
|
|
|
|
tip = function (msg, vm) {
|
|
if (hasConsole && (!config.silent)) {
|
|
console.warn("[Vue tip]: " + msg + " " + (
|
|
vm ? formatLocation(formatComponentName(vm)) : ''
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|
));
|
|
}
|
|
};
|
|
|
|
formatComponentName = function (vm, includeFile) {
|
|
if (vm.$root === vm) {
|
|
return '<Root>'
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|
}
|
|
var name = typeof vm === 'string'
|
|
? vm
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|
: typeof vm === 'function' && vm.options
|
|
? vm.options.name
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|
: vm._isVue
|
|
? vm.$options.name || vm.$options._componentTag
|
|
: vm.name;
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|
|
|
var file = vm._isVue && vm.$options.__file;
|
|
if (!name && file) {
|
|
var match = file.match(/([^/\\]+)\.vue$/);
|
|
name = match && match[1];
|
|
}
|
|
|
|
return (
|
|
(name ? ("<" + (classify(name)) + ">") : "<Anonymous>") +
|
|
(file && includeFile !== false ? (" at " + file) : '')
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|
)
|
|
};
|
|
|
|
var formatLocation = function (str) {
|
|
if (str === "<Anonymous>") {
|
|
str += " - use the \"name\" option for better debugging messages.";
|
|
}
|
|
return ("\n(found in " + str + ")")
|
|
};
|
|
}
|
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|
|
/* */
|
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|
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|
|
var uid$1 = 0;
|
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|
|
/**
|
|
* A dep is an observable that can have multiple
|
|
* directives subscribing to it.
|
|
*/
|
|
var Dep = function Dep () {
|
|
this.id = uid$1++;
|
|
this.subs = [];
|
|
};
|
|
|
|
Dep.prototype.addSub = function addSub (sub) {
|
|
this.subs.push(sub);
|
|
};
|
|
|
|
Dep.prototype.removeSub = function removeSub (sub) {
|
|
remove(this.subs, sub);
|
|
};
|
|
|
|
Dep.prototype.depend = function depend () {
|
|
if (Dep.target) {
|
|
Dep.target.addDep(this);
|
|
}
|
|
};
|
|
|
|
Dep.prototype.notify = function notify () {
|
|
// stabilize the subscriber list first
|
|
var subs = this.subs.slice();
|
|
for (var i = 0, l = subs.length; i < l; i++) {
|
|
subs[i].update();
|
|
}
|
|
};
|
|
|
|
// the current target watcher being evaluated.
|
|
// this is globally unique because there could be only one
|
|
// watcher being evaluated at any time.
|
|
Dep.target = null;
|
|
var targetStack = [];
|
|
|
|
function pushTarget (_target) {
|
|
if (Dep.target) { targetStack.push(Dep.target); }
|
|
Dep.target = _target;
|
|
}
|
|
|
|
function popTarget () {
|
|
Dep.target = targetStack.pop();
|
|
}
|
|
|
|
/*
|
|
* not type checking this file because flow doesn't play well with
|
|
* dynamically accessing methods on Array prototype
|
|
*/
|
|
|
|
var arrayProto = Array.prototype;
|
|
var arrayMethods = Object.create(arrayProto);[
|
|
'push',
|
|
'pop',
|
|
'shift',
|
|
'unshift',
|
|
'splice',
|
|
'sort',
|
|
'reverse'
|
|
]
|
|
.forEach(function (method) {
|
|
// cache original method
|
|
var original = arrayProto[method];
|
|
def(arrayMethods, method, function mutator () {
|
|
var arguments$1 = arguments;
|
|
|
|
// avoid leaking arguments:
|
|
// http://jsperf.com/closure-with-arguments
|
|
var i = arguments.length;
|
|
var args = new Array(i);
|
|
while (i--) {
|
|
args[i] = arguments$1[i];
|
|
}
|
|
var result = original.apply(this, args);
|
|
var ob = this.__ob__;
|
|
var inserted;
|
|
switch (method) {
|
|
case 'push':
|
|
inserted = args;
|
|
break
|
|
case 'unshift':
|
|
inserted = args;
|
|
break
|
|
case 'splice':
|
|
inserted = args.slice(2);
|
|
break
|
|
}
|
|
if (inserted) { ob.observeArray(inserted); }
|
|
// notify change
|
|
ob.dep.notify();
|
|
return result
|
|
});
|
|
});
|
|
|
|
/* */
|
|
|
|
var arrayKeys = Object.getOwnPropertyNames(arrayMethods);
|
|
|
|
/**
|
|
* By default, when a reactive property is set, the new value is
|
|
* also converted to become reactive. However when passing down props,
|
|
* we don't want to force conversion because the value may be a nested value
|
|
* under a frozen data structure. Converting it would defeat the optimization.
|
|
*/
|
|
var observerState = {
|
|
shouldConvert: true,
|
|
isSettingProps: false
|
|
};
|
|
|
|
/**
|
|
* Observer class that are attached to each observed
|
|
* object. Once attached, the observer converts target
|
|
* object's property keys into getter/setters that
|
|
* collect dependencies and dispatches updates.
|
|
*/
|
|
var Observer = function Observer (value) {
|
|
this.value = value;
|
|
this.dep = new Dep();
|
|
this.vmCount = 0;
|
|
def(value, '__ob__', this);
|
|
if (Array.isArray(value)) {
|
|
var augment = hasProto
|
|
? protoAugment
|
|
: copyAugment;
|
|
augment(value, arrayMethods, arrayKeys);
|
|
this.observeArray(value);
|
|
} else {
|
|
this.walk(value);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Walk through each property and convert them into
|
|
* getter/setters. This method should only be called when
|
|
* value type is Object.
|
|
*/
|
|
Observer.prototype.walk = function walk (obj) {
|
|
var keys = Object.keys(obj);
|
|
for (var i = 0; i < keys.length; i++) {
|
|
defineReactive$$1(obj, keys[i], obj[keys[i]]);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Observe a list of Array items.
|
|
*/
|
|
Observer.prototype.observeArray = function observeArray (items) {
|
|
for (var i = 0, l = items.length; i < l; i++) {
|
|
observe(items[i]);
|
|
}
|
|
};
|
|
|
|
// helpers
|
|
|
|
/**
|
|
* Augment an target Object or Array by intercepting
|
|
* the prototype chain using __proto__
|
|
*/
|
|
function protoAugment (target, src) {
|
|
/* eslint-disable no-proto */
|
|
target.__proto__ = src;
|
|
/* eslint-enable no-proto */
|
|
}
|
|
|
|
/**
|
|
* Augment an target Object or Array by defining
|
|
* hidden properties.
|
|
*/
|
|
/* istanbul ignore next */
|
|
function copyAugment (target, src, keys) {
|
|
for (var i = 0, l = keys.length; i < l; i++) {
|
|
var key = keys[i];
|
|
def(target, key, src[key]);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Attempt to create an observer instance for a value,
|
|
* returns the new observer if successfully observed,
|
|
* or the existing observer if the value already has one.
|
|
*/
|
|
function observe (value, asRootData) {
|
|
if (!isObject(value)) {
|
|
return
|
|
}
|
|
var ob;
|
|
if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {
|
|
ob = value.__ob__;
|
|
} else if (
|
|
observerState.shouldConvert &&
|
|
!isServerRendering() &&
|
|
(Array.isArray(value) || isPlainObject(value)) &&
|
|
Object.isExtensible(value) &&
|
|
!value._isVue
|
|
) {
|
|
ob = new Observer(value);
|
|
}
|
|
if (asRootData && ob) {
|
|
ob.vmCount++;
|
|
}
|
|
return ob
|
|
}
|
|
|
|
/**
|
|
* Define a reactive property on an Object.
|
|
*/
|
|
function defineReactive$$1 (
|
|
obj,
|
|
key,
|
|
val,
|
|
customSetter
|
|
) {
|
|
var dep = new Dep();
|
|
|
|
var property = Object.getOwnPropertyDescriptor(obj, key);
|
|
if (property && property.configurable === false) {
|
|
return
|
|
}
|
|
|
|
// cater for pre-defined getter/setters
|
|
var getter = property && property.get;
|
|
var setter = property && property.set;
|
|
|
|
var childOb = observe(val);
|
|
Object.defineProperty(obj, key, {
|
|
enumerable: true,
|
|
configurable: true,
|
|
get: function reactiveGetter () {
|
|
var value = getter ? getter.call(obj) : val;
|
|
if (Dep.target) {
|
|
dep.depend();
|
|
if (childOb) {
|
|
childOb.dep.depend();
|
|
}
|
|
if (Array.isArray(value)) {
|
|
dependArray(value);
|
|
}
|
|
}
|
|
return value
|
|
},
|
|
set: function reactiveSetter (newVal) {
|
|
var value = getter ? getter.call(obj) : val;
|
|
/* eslint-disable no-self-compare */
|
|
if (newVal === value || (newVal !== newVal && value !== value)) {
|
|
return
|
|
}
|
|
/* eslint-enable no-self-compare */
|
|
if (process.env.NODE_ENV !== 'production' && customSetter) {
|
|
customSetter();
|
|
}
|
|
if (setter) {
|
|
setter.call(obj, newVal);
|
|
} else {
|
|
val = newVal;
|
|
}
|
|
childOb = observe(newVal);
|
|
dep.notify();
|
|
}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Set a property on an object. Adds the new property and
|
|
* triggers change notification if the property doesn't
|
|
* already exist.
|
|
*/
|
|
function set (target, key, val) {
|
|
if (Array.isArray(target) && typeof key === 'number') {
|
|
target.length = Math.max(target.length, key);
|
|
target.splice(key, 1, val);
|
|
return val
|
|
}
|
|
if (hasOwn(target, key)) {
|
|
target[key] = val;
|
|
return val
|
|
}
|
|
var ob = (target ).__ob__;
|
|
if (target._isVue || (ob && ob.vmCount)) {
|
|
process.env.NODE_ENV !== 'production' && warn(
|
|
'Avoid adding reactive properties to a Vue instance or its root $data ' +
|
|
'at runtime - declare it upfront in the data option.'
|
|
);
|
|
return val
|
|
}
|
|
if (!ob) {
|
|
target[key] = val;
|
|
return val
|
|
}
|
|
defineReactive$$1(ob.value, key, val);
|
|
ob.dep.notify();
|
|
return val
|
|
}
|
|
|
|
/**
|
|
* Delete a property and trigger change if necessary.
|
|
*/
|
|
function del (target, key) {
|
|
if (Array.isArray(target) && typeof key === 'number') {
|
|
target.splice(key, 1);
|
|
return
|
|
}
|
|
var ob = (target ).__ob__;
|
|
if (target._isVue || (ob && ob.vmCount)) {
|
|
process.env.NODE_ENV !== 'production' && warn(
|
|
'Avoid deleting properties on a Vue instance or its root $data ' +
|
|
'- just set it to null.'
|
|
);
|
|
return
|
|
}
|
|
if (!hasOwn(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
|
|
*/
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
strats.el = strats.propsData = function (parent, child, vm, key) {
|
|
if (!vm) {
|
|
warn(
|
|
"option \"" + key + "\" can only be used during instance " +
|
|
'creation with the `new` keyword.'
|
|
);
|
|
}
|
|
return defaultStrat(parent, child)
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Helper that recursively merges two data objects together.
|
|
*/
|
|
function mergeData (to, from) {
|
|
if (!from) { return to }
|
|
var key, toVal, fromVal;
|
|
var keys = Object.keys(from);
|
|
for (var i = 0; i < keys.length; i++) {
|
|
key = keys[i];
|
|
toVal = to[key];
|
|
fromVal = from[key];
|
|
if (!hasOwn(to, key)) {
|
|
set(to, key, fromVal);
|
|
} else if (isPlainObject(toVal) && isPlainObject(fromVal)) {
|
|
mergeData(toVal, fromVal);
|
|
}
|
|
}
|
|
return to
|
|
}
|
|
|
|
/**
|
|
* Data
|
|
*/
|
|
strats.data = function (
|
|
parentVal,
|
|
childVal,
|
|
vm
|
|
) {
|
|
if (!vm) {
|
|
// in a Vue.extend merge, both should be functions
|
|
if (!childVal) {
|
|
return parentVal
|
|
}
|
|
if (typeof childVal !== 'function') {
|
|
process.env.NODE_ENV !== 'production' && warn(
|
|
'The "data" option should be a function ' +
|
|
'that returns a per-instance value in component ' +
|
|
'definitions.',
|
|
vm
|
|
);
|
|
return parentVal
|
|
}
|
|
if (!parentVal) {
|
|
return childVal
|
|
}
|
|
// when parentVal & childVal are both present,
|
|
// we need to return a function that returns the
|
|
// merged result of both functions... no need to
|
|
// check if parentVal is a function here because
|
|
// it has to be a function to pass previous merges.
|
|
return function mergedDataFn () {
|
|
return mergeData(
|
|
childVal.call(this),
|
|
parentVal.call(this)
|
|
)
|
|
}
|
|
} else if (parentVal || childVal) {
|
|
return function mergedInstanceDataFn () {
|
|
// instance merge
|
|
var instanceData = typeof childVal === 'function'
|
|
? childVal.call(vm)
|
|
: childVal;
|
|
var defaultData = typeof parentVal === 'function'
|
|
? parentVal.call(vm)
|
|
: undefined;
|
|
if (instanceData) {
|
|
return mergeData(instanceData, defaultData)
|
|
} else {
|
|
return defaultData
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Hooks and props are merged as arrays.
|
|
*/
|
|
function mergeHook (
|
|
parentVal,
|
|
childVal
|
|
) {
|
|
return childVal
|
|
? parentVal
|
|
? parentVal.concat(childVal)
|
|
: Array.isArray(childVal)
|
|
? childVal
|
|
: [childVal]
|
|
: parentVal
|
|
}
|
|
|
|
config._lifecycleHooks.forEach(function (hook) {
|
|
strats[hook] = mergeHook;
|
|
});
|
|
|
|
/**
|
|
* Assets
|
|
*
|
|
* When a vm is present (instance creation), we need to do
|
|
* a three-way merge between constructor options, instance
|
|
* options and parent options.
|
|
*/
|
|
function mergeAssets (parentVal, childVal) {
|
|
var res = Object.create(parentVal || null);
|
|
return childVal
|
|
? extend(res, childVal)
|
|
: res
|
|
}
|
|
|
|
config._assetTypes.forEach(function (type) {
|
|
strats[type + 's'] = mergeAssets;
|
|
});
|
|
|
|
/**
|
|
* Watchers.
|
|
*
|
|
* Watchers hashes should not overwrite one
|
|
* another, so we merge them as arrays.
|
|
*/
|
|
strats.watch = function (parentVal, childVal) {
|
|
/* istanbul ignore if */
|
|
if (!childVal) { return Object.create(parentVal || null) }
|
|
if (!parentVal) { return childVal }
|
|
var ret = {};
|
|
extend(ret, parentVal);
|
|
for (var key in childVal) {
|
|
var parent = ret[key];
|
|
var child = childVal[key];
|
|
if (parent && !Array.isArray(parent)) {
|
|
parent = [parent];
|
|
}
|
|
ret[key] = parent
|
|
? parent.concat(child)
|
|
: [child];
|
|
}
|
|
return ret
|
|
};
|
|
|
|
/**
|
|
* Other object hashes.
|
|
*/
|
|
strats.props =
|
|
strats.methods =
|
|
strats.computed = function (parentVal, childVal) {
|
|
if (!childVal) { return Object.create(parentVal || null) }
|
|
if (!parentVal) { return childVal }
|
|
var ret = Object.create(null);
|
|
extend(ret, parentVal);
|
|
extend(ret, childVal);
|
|
return ret
|
|
};
|
|
|
|
/**
|
|
* Default strategy.
|
|
*/
|
|
var defaultStrat = function (parentVal, childVal) {
|
|
return childVal === undefined
|
|
? parentVal
|
|
: childVal
|
|
};
|
|
|
|
/**
|
|
* Validate component names
|
|
*/
|
|
function checkComponents (options) {
|
|
for (var key in options.components) {
|
|
var lower = key.toLowerCase();
|
|
if (isBuiltInTag(lower) || config.isReservedTag(lower)) {
|
|
warn(
|
|
'Do not use built-in or reserved HTML elements as component ' +
|
|
'id: ' + key
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Ensure all props option syntax are normalized into the
|
|
* Object-based format.
|
|
*/
|
|
function normalizeProps (options) {
|
|
var props = options.props;
|
|
if (!props) { return }
|
|
var res = {};
|
|
var i, val, name;
|
|
if (Array.isArray(props)) {
|
|
i = props.length;
|
|
while (i--) {
|
|
val = props[i];
|
|
if (typeof val === 'string') {
|
|
name = camelize(val);
|
|
res[name] = { type: null };
|
|
} else if (process.env.NODE_ENV !== 'production') {
|
|
warn('props must be strings when using array syntax.');
|
|
}
|
|
}
|
|
} else if (isPlainObject(props)) {
|
|
for (var key in props) {
|
|
val = props[key];
|
|
name = camelize(key);
|
|
res[name] = isPlainObject(val)
|
|
? val
|
|
: { type: val };
|
|
}
|
|
}
|
|
options.props = res;
|
|
}
|
|
|
|
/**
|
|
* Normalize raw function directives into object format.
|
|
*/
|
|
function normalizeDirectives (options) {
|
|
var dirs = options.directives;
|
|
if (dirs) {
|
|
for (var key in dirs) {
|
|
var def = dirs[key];
|
|
if (typeof def === 'function') {
|
|
dirs[key] = { bind: def, update: def };
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Merge two option objects into a new one.
|
|
* Core utility used in both instantiation and inheritance.
|
|
*/
|
|
function mergeOptions (
|
|
parent,
|
|
child,
|
|
vm
|
|
) {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
checkComponents(child);
|
|
}
|
|
normalizeProps(child);
|
|
normalizeDirectives(child);
|
|
var extendsFrom = child.extends;
|
|
if (extendsFrom) {
|
|
parent = typeof extendsFrom === 'function'
|
|
? mergeOptions(parent, extendsFrom.options, vm)
|
|
: mergeOptions(parent, extendsFrom, vm);
|
|
}
|
|
if (child.mixins) {
|
|
for (var i = 0, l = child.mixins.length; i < l; i++) {
|
|
var mixin = child.mixins[i];
|
|
if (mixin.prototype instanceof Vue$2) {
|
|
mixin = mixin.options;
|
|
}
|
|
parent = mergeOptions(parent, mixin, vm);
|
|
}
|
|
}
|
|
var options = {};
|
|
var key;
|
|
for (key in parent) {
|
|
mergeField(key);
|
|
}
|
|
for (key in child) {
|
|
if (!hasOwn(parent, key)) {
|
|
mergeField(key);
|
|
}
|
|
}
|
|
function mergeField (key) {
|
|
var strat = strats[key] || defaultStrat;
|
|
options[key] = strat(parent[key], child[key], vm, key);
|
|
}
|
|
return options
|
|
}
|
|
|
|
/**
|
|
* Resolve an asset.
|
|
* This function is used because child instances need access
|
|
* to assets defined in its ancestor chain.
|
|
*/
|
|
function resolveAsset (
|
|
options,
|
|
type,
|
|
id,
|
|
warnMissing
|
|
) {
|
|
/* istanbul ignore if */
|
|
if (typeof id !== 'string') {
|
|
return
|
|
}
|
|
var assets = options[type];
|
|
// 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 (process.env.NODE_ENV !== 'production' && warnMissing && !res) {
|
|
warn(
|
|
'Failed to resolve ' + type.slice(0, -1) + ': ' + id,
|
|
options
|
|
);
|
|
}
|
|
return res
|
|
}
|
|
|
|
/* */
|
|
|
|
function validateProp (
|
|
key,
|
|
propOptions,
|
|
propsData,
|
|
vm
|
|
) {
|
|
var prop = propOptions[key];
|
|
var absent = !hasOwn(propsData, key);
|
|
var value = propsData[key];
|
|
// handle boolean props
|
|
if (isType(Boolean, prop.type)) {
|
|
if (absent && !hasOwn(prop, 'default')) {
|
|
value = false;
|
|
} else if (!isType(String, prop.type) && (value === '' || value === hyphenate(key))) {
|
|
value = true;
|
|
}
|
|
}
|
|
// check default value
|
|
if (value === undefined) {
|
|
value = getPropDefaultValue(vm, prop, key);
|
|
// since the default value is a fresh copy,
|
|
// make sure to observe it.
|
|
var prevShouldConvert = observerState.shouldConvert;
|
|
observerState.shouldConvert = true;
|
|
observe(value);
|
|
observerState.shouldConvert = prevShouldConvert;
|
|
}
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
assertProp(prop, key, value, vm, absent);
|
|
}
|
|
return value
|
|
}
|
|
|
|
/**
|
|
* Get the default value of a prop.
|
|
*/
|
|
function getPropDefaultValue (vm, prop, key) {
|
|
// no default, return undefined
|
|
if (!hasOwn(prop, 'default')) {
|
|
return undefined
|
|
}
|
|
var def = prop.default;
|
|
// warn against non-factory defaults for Object & Array
|
|
if (process.env.NODE_ENV !== 'production' && isObject(def)) {
|
|
warn(
|
|
'Invalid default value for prop "' + key + '": ' +
|
|
'Props with type Object/Array must use a factory function ' +
|
|
'to return the default value.',
|
|
vm
|
|
);
|
|
}
|
|
// the raw prop value was also undefined from previous render,
|
|
// return previous default value to avoid unnecessary watcher trigger
|
|
if (vm && vm.$options.propsData &&
|
|
vm.$options.propsData[key] === undefined &&
|
|
vm._props[key] !== undefined) {
|
|
return vm._props[key]
|
|
}
|
|
// call factory function for non-Function types
|
|
// a value is Function if its prototype is function even across different execution context
|
|
return typeof def === 'function' && getType(prop.type) !== 'Function'
|
|
? def.call(vm)
|
|
: def
|
|
}
|
|
|
|
/**
|
|
* Assert whether a prop is valid.
|
|
*/
|
|
function assertProp (
|
|
prop,
|
|
name,
|
|
value,
|
|
vm,
|
|
absent
|
|
) {
|
|
if (prop.required && absent) {
|
|
warn(
|
|
'Missing required prop: "' + name + '"',
|
|
vm
|
|
);
|
|
return
|
|
}
|
|
if (value == null && !prop.required) {
|
|
return
|
|
}
|
|
var type = prop.type;
|
|
var valid = !type || type === true;
|
|
var expectedTypes = [];
|
|
if (type) {
|
|
if (!Array.isArray(type)) {
|
|
type = [type];
|
|
}
|
|
for (var i = 0; i < type.length && !valid; i++) {
|
|
var assertedType = assertType(value, type[i]);
|
|
expectedTypes.push(assertedType.expectedType || '');
|
|
valid = assertedType.valid;
|
|
}
|
|
}
|
|
if (!valid) {
|
|
warn(
|
|
'Invalid prop: type check failed for prop "' + name + '".' +
|
|
' Expected ' + expectedTypes.map(capitalize).join(', ') +
|
|
', got ' + Object.prototype.toString.call(value).slice(8, -1) + '.',
|
|
vm
|
|
);
|
|
return
|
|
}
|
|
var validator = prop.validator;
|
|
if (validator) {
|
|
if (!validator(value)) {
|
|
warn(
|
|
'Invalid prop: custom validator check failed for prop "' + name + '".',
|
|
vm
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Assert the type of a value
|
|
*/
|
|
function assertType (value, type) {
|
|
var valid;
|
|
var expectedType = getType(type);
|
|
if (expectedType === 'String') {
|
|
valid = typeof value === (expectedType = 'string');
|
|
} else if (expectedType === 'Number') {
|
|
valid = typeof value === (expectedType = 'number');
|
|
} else if (expectedType === 'Boolean') {
|
|
valid = typeof value === (expectedType = 'boolean');
|
|
} else if (expectedType === 'Function') {
|
|
valid = typeof value === (expectedType = 'function');
|
|
} else if (expectedType === 'Object') {
|
|
valid = isPlainObject(value);
|
|
} else if (expectedType === 'Array') {
|
|
valid = Array.isArray(value);
|
|
} else {
|
|
valid = value instanceof type;
|
|
}
|
|
return {
|
|
valid: valid,
|
|
expectedType: expectedType
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Use function string name to check built-in types,
|
|
* because a simple equality check will fail when running
|
|
* across different vms / iframes.
|
|
*/
|
|
function getType (fn) {
|
|
var match = fn && fn.toString().match(/^\s*function (\w+)/);
|
|
return match && match[1]
|
|
}
|
|
|
|
function isType (type, fn) {
|
|
if (!Array.isArray(fn)) {
|
|
return getType(fn) === getType(type)
|
|
}
|
|
for (var i = 0, len = fn.length; i < len; i++) {
|
|
if (getType(fn[i]) === getType(type)) {
|
|
return true
|
|
}
|
|
}
|
|
/* istanbul ignore next */
|
|
return false
|
|
}
|
|
|
|
function handleError (err, vm, info) {
|
|
if (config.errorHandler) {
|
|
config.errorHandler.call(null, err, vm, info);
|
|
} else {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
warn(("Error in " + info + ":"), vm);
|
|
}
|
|
/* istanbul ignore else */
|
|
if (inBrowser && typeof console !== 'undefined') {
|
|
console.error(err);
|
|
} else {
|
|
throw err
|
|
}
|
|
}
|
|
}
|
|
|
|
/* not type checking this file because flow doesn't play well with Proxy */
|
|
|
|
var initProxy;
|
|
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
var allowedGlobals = makeMap(
|
|
'Infinity,undefined,NaN,isFinite,isNaN,' +
|
|
'parseFloat,parseInt,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,' +
|
|
'Math,Number,Date,Array,Object,Boolean,String,RegExp,Map,Set,JSON,Intl,' +
|
|
'require' // for Webpack/Browserify
|
|
);
|
|
|
|
var warnNonPresent = function (target, key) {
|
|
warn(
|
|
"Property or method \"" + key + "\" is not defined on the instance but " +
|
|
"referenced during render. Make sure to declare reactive data " +
|
|
"properties in the data option.",
|
|
target
|
|
);
|
|
};
|
|
|
|
var hasProxy =
|
|
typeof Proxy !== 'undefined' &&
|
|
Proxy.toString().match(/native code/);
|
|
|
|
if (hasProxy) {
|
|
var isBuiltInModifier = makeMap('stop,prevent,self,ctrl,shift,alt,meta');
|
|
config.keyCodes = new Proxy(config.keyCodes, {
|
|
set: function set (target, key, value) {
|
|
if (isBuiltInModifier(key)) {
|
|
warn(("Avoid overwriting built-in modifier in config.keyCodes: ." + key));
|
|
return false
|
|
} else {
|
|
target[key] = value;
|
|
return true
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
var hasHandler = {
|
|
has: function has (target, key) {
|
|
var has = key in target;
|
|
var isAllowed = allowedGlobals(key) || key.charAt(0) === '_';
|
|
if (!has && !isAllowed) {
|
|
warnNonPresent(target, key);
|
|
}
|
|
return has || !isAllowed
|
|
}
|
|
};
|
|
|
|
var getHandler = {
|
|
get: function get (target, key) {
|
|
if (typeof key === 'string' && !(key in target)) {
|
|
warnNonPresent(target, key);
|
|
}
|
|
return target[key]
|
|
}
|
|
};
|
|
|
|
initProxy = function initProxy (vm) {
|
|
if (hasProxy) {
|
|
// determine which proxy handler to use
|
|
var options = vm.$options;
|
|
var handlers = options.render && options.render._withStripped
|
|
? getHandler
|
|
: hasHandler;
|
|
vm._renderProxy = new Proxy(vm, handlers);
|
|
} else {
|
|
vm._renderProxy = vm;
|
|
}
|
|
};
|
|
}
|
|
|
|
var mark;
|
|
var measure;
|
|
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
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);
|
|
};
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
var VNode = function VNode (
|
|
tag,
|
|
data,
|
|
children,
|
|
text,
|
|
elm,
|
|
context,
|
|
componentOptions
|
|
) {
|
|
this.tag = tag;
|
|
this.data = data;
|
|
this.children = children;
|
|
this.text = text;
|
|
this.elm = elm;
|
|
this.ns = undefined;
|
|
this.context = context;
|
|
this.functionalContext = undefined;
|
|
this.key = data && data.key;
|
|
this.componentOptions = componentOptions;
|
|
this.componentInstance = undefined;
|
|
this.parent = undefined;
|
|
this.raw = false;
|
|
this.isStatic = false;
|
|
this.isRootInsert = true;
|
|
this.isComment = false;
|
|
this.isCloned = false;
|
|
this.isOnce = false;
|
|
};
|
|
|
|
var prototypeAccessors = { child: {} };
|
|
|
|
// DEPRECATED: alias for componentInstance for backwards compat.
|
|
/* istanbul ignore next */
|
|
prototypeAccessors.child.get = function () {
|
|
return this.componentInstance
|
|
};
|
|
|
|
Object.defineProperties( VNode.prototype, prototypeAccessors );
|
|
|
|
var createEmptyVNode = function () {
|
|
var node = new VNode();
|
|
node.text = '';
|
|
node.isComment = true;
|
|
return node
|
|
};
|
|
|
|
function createTextVNode (val) {
|
|
return new VNode(undefined, undefined, undefined, String(val))
|
|
}
|
|
|
|
// optimized shallow clone
|
|
// used for static nodes and slot nodes because they may be reused across
|
|
// multiple renders, cloning them avoids errors when DOM manipulations rely
|
|
// on their elm reference.
|
|
function cloneVNode (vnode) {
|
|
var cloned = new VNode(
|
|
vnode.tag,
|
|
vnode.data,
|
|
vnode.children,
|
|
vnode.text,
|
|
vnode.elm,
|
|
vnode.context,
|
|
vnode.componentOptions
|
|
);
|
|
cloned.ns = vnode.ns;
|
|
cloned.isStatic = vnode.isStatic;
|
|
cloned.key = vnode.key;
|
|
cloned.isCloned = true;
|
|
return cloned
|
|
}
|
|
|
|
function cloneVNodes (vnodes) {
|
|
var len = vnodes.length;
|
|
var res = new Array(len);
|
|
for (var i = 0; i < len; i++) {
|
|
res[i] = cloneVNode(vnodes[i]);
|
|
}
|
|
return res
|
|
}
|
|
|
|
/* */
|
|
|
|
var normalizeEvent = cached(function (name) {
|
|
var 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
|
|
}
|
|
});
|
|
|
|
function createFnInvoker (fns) {
|
|
function invoker () {
|
|
var arguments$1 = arguments;
|
|
|
|
var fns = invoker.fns;
|
|
if (Array.isArray(fns)) {
|
|
for (var i = 0; i < fns.length; i++) {
|
|
fns[i].apply(null, arguments$1);
|
|
}
|
|
} else {
|
|
// return handler return value for single handlers
|
|
return fns.apply(null, arguments)
|
|
}
|
|
}
|
|
invoker.fns = fns;
|
|
return invoker
|
|
}
|
|
|
|
function updateListeners (
|
|
on,
|
|
oldOn,
|
|
add,
|
|
remove$$1,
|
|
vm
|
|
) {
|
|
var name, cur, old, event;
|
|
for (name in on) {
|
|
cur = on[name];
|
|
old = oldOn[name];
|
|
event = normalizeEvent(name);
|
|
if (!cur) {
|
|
process.env.NODE_ENV !== 'production' && warn(
|
|
"Invalid handler for event \"" + (event.name) + "\": got " + String(cur),
|
|
vm
|
|
);
|
|
} else if (!old) {
|
|
if (!cur.fns) {
|
|
cur = on[name] = createFnInvoker(cur);
|
|
}
|
|
add(event.name, cur, event.once, event.capture);
|
|
} else if (cur !== old) {
|
|
old.fns = cur;
|
|
on[name] = old;
|
|
}
|
|
}
|
|
for (name in oldOn) {
|
|
if (!on[name]) {
|
|
event = normalizeEvent(name);
|
|
remove$$1(event.name, oldOn[name], event.capture);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
function mergeVNodeHook (def, hookKey, hook) {
|
|
var invoker;
|
|
var oldHook = def[hookKey];
|
|
|
|
function wrappedHook () {
|
|
hook.apply(this, arguments);
|
|
// important: remove merged hook to ensure it's called only once
|
|
// and prevent memory leak
|
|
remove(invoker.fns, wrappedHook);
|
|
}
|
|
|
|
if (!oldHook) {
|
|
// no existing hook
|
|
invoker = createFnInvoker([wrappedHook]);
|
|
} else {
|
|
/* istanbul ignore if */
|
|
if (oldHook.fns && 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;
|
|
}
|
|
|
|
/* */
|
|
|
|
// 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 normalizeArrayChildren (children, nestedIndex) {
|
|
var res = [];
|
|
var i, c, last;
|
|
for (i = 0; i < children.length; i++) {
|
|
c = children[i];
|
|
if (c == null || typeof c === 'boolean') { continue }
|
|
last = res[res.length - 1];
|
|
// nested
|
|
if (Array.isArray(c)) {
|
|
res.push.apply(res, normalizeArrayChildren(c, ((nestedIndex || '') + "_" + i)));
|
|
} else if (isPrimitive(c)) {
|
|
if (last && last.text) {
|
|
last.text += String(c);
|
|
} else if (c !== '') {
|
|
// convert primitive to vnode
|
|
res.push(createTextVNode(c));
|
|
}
|
|
} else {
|
|
if (c.text && last && last.text) {
|
|
res[res.length - 1] = createTextVNode(last.text + c.text);
|
|
} else {
|
|
// default key for nested array children (likely generated by v-for)
|
|
if (c.tag && c.key == null && nestedIndex != null) {
|
|
c.key = "__vlist" + nestedIndex + "_" + i + "__";
|
|
}
|
|
res.push(c);
|
|
}
|
|
}
|
|
}
|
|
return res
|
|
}
|
|
|
|
/* */
|
|
|
|
function getFirstComponentChild (children) {
|
|
return children && children.filter(function (c) { return c && c.componentOptions; })[0]
|
|
}
|
|
|
|
/* */
|
|
|
|
function initEvents (vm) {
|
|
vm._events = Object.create(null);
|
|
vm._hasHookEvent = false;
|
|
// init parent attached events
|
|
var listeners = vm.$options._parentListeners;
|
|
if (listeners) {
|
|
updateComponentListeners(vm, listeners);
|
|
}
|
|
}
|
|
|
|
var target;
|
|
|
|
function add (event, fn, once$$1) {
|
|
if (once$$1) {
|
|
target.$once(event, fn);
|
|
} else {
|
|
target.$on(event, fn);
|
|
}
|
|
}
|
|
|
|
function remove$1 (event, fn) {
|
|
target.$off(event, fn);
|
|
}
|
|
|
|
function updateComponentListeners (
|
|
vm,
|
|
listeners,
|
|
oldListeners
|
|
) {
|
|
target = vm;
|
|
updateListeners(listeners, oldListeners || {}, add, remove$1, vm);
|
|
}
|
|
|
|
function eventsMixin (Vue) {
|
|
var hookRE = /^hook:/;
|
|
Vue.prototype.$on = function (event, fn) {
|
|
var this$1 = this;
|
|
|
|
var vm = this;
|
|
if (Array.isArray(event)) {
|
|
for (var i = 0, l = event.length; i < l; i++) {
|
|
this$1.$on(event[i], fn);
|
|
}
|
|
} else {
|
|
(vm._events[event] || (vm._events[event] = [])).push(fn);
|
|
// optimize hook:event cost by using a boolean flag marked at registration
|
|
// instead of a hash lookup
|
|
if (hookRE.test(event)) {
|
|
vm._hasHookEvent = true;
|
|
}
|
|
}
|
|
return vm
|
|
};
|
|
|
|
Vue.prototype.$once = function (event, fn) {
|
|
var vm = this;
|
|
function on () {
|
|
vm.$off(event, on);
|
|
fn.apply(vm, arguments);
|
|
}
|
|
on.fn = fn;
|
|
vm.$on(event, on);
|
|
return vm
|
|
};
|
|
|
|
Vue.prototype.$off = function (event, fn) {
|
|
var this$1 = this;
|
|
|
|
var vm = this;
|
|
// all
|
|
if (!arguments.length) {
|
|
vm._events = Object.create(null);
|
|
return vm
|
|
}
|
|
// array of events
|
|
if (Array.isArray(event)) {
|
|
for (var i$1 = 0, l = event.length; i$1 < l; i$1++) {
|
|
this$1.$off(event[i$1], fn);
|
|
}
|
|
return vm
|
|
}
|
|
// specific event
|
|
var cbs = vm._events[event];
|
|
if (!cbs) {
|
|
return vm
|
|
}
|
|
if (arguments.length === 1) {
|
|
vm._events[event] = null;
|
|
return vm
|
|
}
|
|
// specific handler
|
|
var cb;
|
|
var i = cbs.length;
|
|
while (i--) {
|
|
cb = cbs[i];
|
|
if (cb === fn || cb.fn === fn) {
|
|
cbs.splice(i, 1);
|
|
break
|
|
}
|
|
}
|
|
return vm
|
|
};
|
|
|
|
Vue.prototype.$emit = function (event) {
|
|
var vm = this;
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
var lowerCaseEvent = event.toLowerCase();
|
|
if (lowerCaseEvent !== event && vm._events[lowerCaseEvent]) {
|
|
tip(
|
|
"Event \"" + lowerCaseEvent + "\" is emitted in component " +
|
|
(formatComponentName(vm)) + " but the handler is registered for \"" + event + "\". " +
|
|
"Note that HTML attributes are case-insensitive and you cannot use " +
|
|
"v-on to listen to camelCase events when using in-DOM templates. " +
|
|
"You should probably use \"" + (hyphenate(event)) + "\" instead of \"" + event + "\"."
|
|
);
|
|
}
|
|
}
|
|
var cbs = vm._events[event];
|
|
if (cbs) {
|
|
cbs = cbs.length > 1 ? toArray(cbs) : cbs;
|
|
var args = toArray(arguments, 1);
|
|
for (var i = 0, l = cbs.length; i < l; i++) {
|
|
cbs[i].apply(vm, args);
|
|
}
|
|
}
|
|
return vm
|
|
};
|
|
}
|
|
|
|
/* */
|
|
|
|
/**
|
|
* Runtime helper for resolving raw children VNodes into a slot object.
|
|
*/
|
|
function resolveSlots (
|
|
children,
|
|
context
|
|
) {
|
|
var slots = {};
|
|
if (!children) {
|
|
return slots
|
|
}
|
|
var defaultSlot = [];
|
|
var name, child;
|
|
for (var i = 0, l = children.length; i < l; i++) {
|
|
child = children[i];
|
|
// named slots should only be respected if the vnode was rendered in the
|
|
// same context.
|
|
if ((child.context === context || child.functionalContext === context) &&
|
|
child.data && (name = child.data.slot)) {
|
|
var slot = (slots[name] || (slots[name] = []));
|
|
if (child.tag === 'template') {
|
|
slot.push.apply(slot, child.children);
|
|
} else {
|
|
slot.push(child);
|
|
}
|
|
} else {
|
|
defaultSlot.push(child);
|
|
}
|
|
}
|
|
// ignore whitespace
|
|
if (!defaultSlot.every(isWhitespace)) {
|
|
slots.default = defaultSlot;
|
|
}
|
|
return slots
|
|
}
|
|
|
|
function isWhitespace (node) {
|
|
return node.isComment || node.text === ' '
|
|
}
|
|
|
|
function resolveScopedSlots (
|
|
fns
|
|
) {
|
|
var res = {};
|
|
for (var i = 0; i < fns.length; i++) {
|
|
res[fns[i][0]] = fns[i][1];
|
|
}
|
|
return res
|
|
}
|
|
|
|
/* */
|
|
|
|
var activeInstance = null;
|
|
|
|
function initLifecycle (vm) {
|
|
var options = vm.$options;
|
|
|
|
// locate first non-abstract parent
|
|
var parent = options.parent;
|
|
if (parent && !options.abstract) {
|
|
while (parent.$options.abstract && parent.$parent) {
|
|
parent = parent.$parent;
|
|
}
|
|
parent.$children.push(vm);
|
|
}
|
|
|
|
vm.$parent = parent;
|
|
vm.$root = parent ? parent.$root : vm;
|
|
|
|
vm.$children = [];
|
|
vm.$refs = {};
|
|
|
|
vm._watcher = null;
|
|
vm._inactive = null;
|
|
vm._directInactive = false;
|
|
vm._isMounted = false;
|
|
vm._isDestroyed = false;
|
|
vm._isBeingDestroyed = false;
|
|
}
|
|
|
|
function lifecycleMixin (Vue) {
|
|
Vue.prototype._update = function (vnode, hydrating) {
|
|
var vm = this;
|
|
if (vm._isMounted) {
|
|
callHook(vm, 'beforeUpdate');
|
|
}
|
|
var prevEl = vm.$el;
|
|
var prevVnode = vm._vnode;
|
|
var prevActiveInstance = activeInstance;
|
|
activeInstance = vm;
|
|
vm._vnode = vnode;
|
|
// Vue.prototype.__patch__ is injected in entry points
|
|
// based on the rendering backend used.
|
|
if (!prevVnode) {
|
|
// initial render
|
|
vm.$el = vm.__patch__(
|
|
vm.$el, vnode, hydrating, false /* removeOnly */,
|
|
vm.$options._parentElm,
|
|
vm.$options._refElm
|
|
);
|
|
} else {
|
|
// updates
|
|
vm.$el = vm.__patch__(prevVnode, vnode);
|
|
}
|
|
activeInstance = prevActiveInstance;
|
|
// update __vue__ reference
|
|
if (prevEl) {
|
|
prevEl.__vue__ = null;
|
|
}
|
|
if (vm.$el) {
|
|
vm.$el.__vue__ = vm;
|
|
}
|
|
// if parent is an HOC, update its $el as well
|
|
if (vm.$vnode && vm.$parent && vm.$vnode === vm.$parent._vnode) {
|
|
vm.$parent.$el = vm.$el;
|
|
}
|
|
// updated hook is called by the scheduler to ensure that children are
|
|
// updated in a parent's updated hook.
|
|
};
|
|
|
|
Vue.prototype.$forceUpdate = function () {
|
|
var vm = this;
|
|
if (vm._watcher) {
|
|
vm._watcher.update();
|
|
}
|
|
};
|
|
|
|
Vue.prototype.$destroy = function () {
|
|
var vm = this;
|
|
if (vm._isBeingDestroyed) {
|
|
return
|
|
}
|
|
callHook(vm, 'beforeDestroy');
|
|
vm._isBeingDestroyed = true;
|
|
// remove self from parent
|
|
var parent = vm.$parent;
|
|
if (parent && !parent._isBeingDestroyed && !vm.$options.abstract) {
|
|
remove(parent.$children, vm);
|
|
}
|
|
// teardown watchers
|
|
if (vm._watcher) {
|
|
vm._watcher.teardown();
|
|
}
|
|
var i = vm._watchers.length;
|
|
while (i--) {
|
|
vm._watchers[i].teardown();
|
|
}
|
|
// remove reference from data ob
|
|
// frozen object may not have observer.
|
|
if (vm._data.__ob__) {
|
|
vm._data.__ob__.vmCount--;
|
|
}
|
|
// call the last hook...
|
|
vm._isDestroyed = true;
|
|
// invoke destroy hooks on current rendered tree
|
|
vm.__patch__(vm._vnode, null);
|
|
// fire destroyed hook
|
|
callHook(vm, 'destroyed');
|
|
// turn off all instance listeners.
|
|
vm.$off();
|
|
// remove __vue__ reference
|
|
if (vm.$el) {
|
|
vm.$el.__vue__ = null;
|
|
}
|
|
// remove reference to DOM nodes (prevents leak)
|
|
vm.$options._parentElm = vm.$options._refElm = null;
|
|
};
|
|
}
|
|
|
|
function mountComponent (
|
|
vm,
|
|
el,
|
|
hydrating
|
|
) {
|
|
vm.$el = el;
|
|
if (!vm.$options.render) {
|
|
vm.$options.render = createEmptyVNode;
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
/* istanbul ignore if */
|
|
if ((vm.$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 (process.env.NODE_ENV !== 'production' && config.performance && mark) {
|
|
updateComponent = function () {
|
|
var name = vm._name;
|
|
var id = vm._uid;
|
|
var startTag = "vue-perf-start:" + id;
|
|
var endTag = "vue-perf-end:" + id;
|
|
|
|
mark(startTag);
|
|
var vnode = vm._render();
|
|
mark(endTag);
|
|
measure((name + " render"), startTag, endTag);
|
|
|
|
mark(startTag);
|
|
vm._update(vnode, hydrating);
|
|
mark(endTag);
|
|
measure((name + " patch"), startTag, endTag);
|
|
};
|
|
} else {
|
|
updateComponent = function () {
|
|
vm._update(vm._render(), hydrating);
|
|
};
|
|
}
|
|
|
|
vm._watcher = new Watcher(vm, updateComponent, noop);
|
|
hydrating = false;
|
|
|
|
// manually mounted instance, call mounted on self
|
|
// mounted is called for render-created child components in its inserted hook
|
|
if (vm.$vnode == null) {
|
|
vm._isMounted = true;
|
|
callHook(vm, 'mounted');
|
|
}
|
|
return vm
|
|
}
|
|
|
|
function updateChildComponent (
|
|
vm,
|
|
propsData,
|
|
listeners,
|
|
parentVnode,
|
|
renderChildren
|
|
) {
|
|
// determine whether component has slot children
|
|
// we need to do this before overwriting $options._renderChildren
|
|
var hasChildren = !!(
|
|
renderChildren || // has new static slots
|
|
vm.$options._renderChildren || // has old static slots
|
|
parentVnode.data.scopedSlots || // has new scoped slots
|
|
vm.$scopedSlots !== emptyObject // has old scoped slots
|
|
);
|
|
|
|
vm.$options._parentVnode = parentVnode;
|
|
vm.$vnode = parentVnode; // update vm's placeholder node without re-render
|
|
if (vm._vnode) { // update child tree's parent
|
|
vm._vnode.parent = parentVnode;
|
|
}
|
|
vm.$options._renderChildren = renderChildren;
|
|
|
|
// update props
|
|
if (propsData && vm.$options.props) {
|
|
observerState.shouldConvert = false;
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
observerState.isSettingProps = true;
|
|
}
|
|
var props = vm._props;
|
|
var propKeys = vm.$options._propKeys || [];
|
|
for (var i = 0; i < propKeys.length; i++) {
|
|
var key = propKeys[i];
|
|
props[key] = validateProp(key, vm.$options.props, propsData, vm);
|
|
}
|
|
observerState.shouldConvert = true;
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
observerState.isSettingProps = false;
|
|
}
|
|
// keep a copy of raw propsData
|
|
vm.$options.propsData = propsData;
|
|
}
|
|
// update listeners
|
|
if (listeners) {
|
|
var oldListeners = vm.$options._parentListeners;
|
|
vm.$options._parentListeners = listeners;
|
|
updateComponentListeners(vm, listeners, oldListeners);
|
|
}
|
|
// resolve slots + force update if has children
|
|
if (hasChildren) {
|
|
vm.$slots = resolveSlots(renderChildren, parentVnode.context);
|
|
vm.$forceUpdate();
|
|
}
|
|
}
|
|
|
|
function isInInactiveTree (vm) {
|
|
while (vm && (vm = vm.$parent)) {
|
|
if (vm._inactive) { return true }
|
|
}
|
|
return false
|
|
}
|
|
|
|
function activateChildComponent (vm, direct) {
|
|
if (direct) {
|
|
vm._directInactive = false;
|
|
if (isInInactiveTree(vm)) {
|
|
return
|
|
}
|
|
} else if (vm._directInactive) {
|
|
return
|
|
}
|
|
if (vm._inactive || vm._inactive == null) {
|
|
vm._inactive = false;
|
|
for (var i = 0; i < vm.$children.length; i++) {
|
|
activateChildComponent(vm.$children[i]);
|
|
}
|
|
callHook(vm, 'activated');
|
|
}
|
|
}
|
|
|
|
function deactivateChildComponent (vm, direct) {
|
|
if (direct) {
|
|
vm._directInactive = true;
|
|
if (isInInactiveTree(vm)) {
|
|
return
|
|
}
|
|
}
|
|
if (!vm._inactive) {
|
|
vm._inactive = true;
|
|
for (var i = 0; i < vm.$children.length; i++) {
|
|
deactivateChildComponent(vm.$children[i]);
|
|
}
|
|
callHook(vm, 'deactivated');
|
|
}
|
|
}
|
|
|
|
function callHook (vm, hook) {
|
|
var handlers = vm.$options[hook];
|
|
if (handlers) {
|
|
for (var i = 0, j = handlers.length; i < j; i++) {
|
|
try {
|
|
handlers[i].call(vm);
|
|
} catch (e) {
|
|
handleError(e, vm, (hook + " hook"));
|
|
}
|
|
}
|
|
}
|
|
if (vm._hasHookEvent) {
|
|
vm.$emit('hook:' + hook);
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
|
|
var queue = [];
|
|
var has = {};
|
|
var circular = {};
|
|
var waiting = false;
|
|
var flushing = false;
|
|
var index = 0;
|
|
|
|
/**
|
|
* Reset the scheduler's state.
|
|
*/
|
|
function resetSchedulerState () {
|
|
queue.length = 0;
|
|
has = {};
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
circular = {};
|
|
}
|
|
waiting = flushing = false;
|
|
}
|
|
|
|
/**
|
|
* Flush both queues and run the watchers.
|
|
*/
|
|
function flushSchedulerQueue () {
|
|
flushing = true;
|
|
var watcher, id, vm;
|
|
|
|
// 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 (process.env.NODE_ENV !== 'production' && has[id] != null) {
|
|
circular[id] = (circular[id] || 0) + 1;
|
|
if (circular[id] > config._maxUpdateCount) {
|
|
warn(
|
|
'You may have an infinite update loop ' + (
|
|
watcher.user
|
|
? ("in watcher with expression \"" + (watcher.expression) + "\"")
|
|
: "in a component render function."
|
|
),
|
|
watcher.vm
|
|
);
|
|
break
|
|
}
|
|
}
|
|
}
|
|
|
|
// reset scheduler before updated hook called
|
|
var oldQueue = queue.slice();
|
|
resetSchedulerState();
|
|
|
|
// call updated hooks
|
|
index = oldQueue.length;
|
|
while (index--) {
|
|
watcher = oldQueue[index];
|
|
vm = watcher.vm;
|
|
if (vm._watcher === watcher && vm._isMounted) {
|
|
callHook(vm, 'updated');
|
|
}
|
|
}
|
|
|
|
// devtool hook
|
|
/* istanbul ignore if */
|
|
if (devtools && config.devtools) {
|
|
devtools.emit('flush');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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 >= 0 && queue[i].id > watcher.id) {
|
|
i--;
|
|
}
|
|
queue.splice(Math.max(i, index) + 1, 0, watcher);
|
|
}
|
|
// queue the flush
|
|
if (!waiting) {
|
|
waiting = true;
|
|
nextTick(flushSchedulerQueue);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
var uid$2 = 0;
|
|
|
|
/**
|
|
* A watcher parses an expression, collects dependencies,
|
|
* and fires callback when the expression value changes.
|
|
* This is used for both the $watch() api and directives.
|
|
*/
|
|
var Watcher = function Watcher (
|
|
vm,
|
|
expOrFn,
|
|
cb,
|
|
options
|
|
) {
|
|
this.vm = vm;
|
|
vm._watchers.push(this);
|
|
// options
|
|
if (options) {
|
|
this.deep = !!options.deep;
|
|
this.user = !!options.user;
|
|
this.lazy = !!options.lazy;
|
|
this.sync = !!options.sync;
|
|
} else {
|
|
this.deep = this.user = this.lazy = this.sync = false;
|
|
}
|
|
this.cb = cb;
|
|
this.id = ++uid$2; // uid for batching
|
|
this.active = true;
|
|
this.dirty = this.lazy; // for lazy watchers
|
|
this.deps = [];
|
|
this.newDeps = [];
|
|
this.depIds = new _Set();
|
|
this.newDepIds = new _Set();
|
|
this.expression = process.env.NODE_ENV !== 'production'
|
|
? expOrFn.toString()
|
|
: '';
|
|
// parse expression for getter
|
|
if (typeof expOrFn === 'function') {
|
|
this.getter = expOrFn;
|
|
} else {
|
|
this.getter = parsePath(expOrFn);
|
|
if (!this.getter) {
|
|
this.getter = function () {};
|
|
process.env.NODE_ENV !== 'production' && warn(
|
|
"Failed watching path: \"" + expOrFn + "\" " +
|
|
'Watcher only accepts simple dot-delimited paths. ' +
|
|
'For full control, use a function instead.',
|
|
vm
|
|
);
|
|
}
|
|
}
|
|
this.value = this.lazy
|
|
? undefined
|
|
: this.get();
|
|
};
|
|
|
|
/**
|
|
* Evaluate the getter, and re-collect dependencies.
|
|
*/
|
|
Watcher.prototype.get = function get () {
|
|
pushTarget(this);
|
|
var value;
|
|
var vm = this.vm;
|
|
if (this.user) {
|
|
try {
|
|
value = this.getter.call(vm, vm);
|
|
} catch (e) {
|
|
handleError(e, vm, ("getter for watcher \"" + (this.expression) + "\""));
|
|
}
|
|
} else {
|
|
value = this.getter.call(vm, vm);
|
|
}
|
|
// "touch" every property so they are all tracked as
|
|
// dependencies for deep watching
|
|
if (this.deep) {
|
|
traverse(value);
|
|
}
|
|
popTarget();
|
|
this.cleanupDeps();
|
|
return value
|
|
};
|
|
|
|
/**
|
|
* Add a dependency to this directive.
|
|
*/
|
|
Watcher.prototype.addDep = function addDep (dep) {
|
|
var id = dep.id;
|
|
if (!this.newDepIds.has(id)) {
|
|
this.newDepIds.add(id);
|
|
this.newDeps.push(dep);
|
|
if (!this.depIds.has(id)) {
|
|
dep.addSub(this);
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Clean up for dependency collection.
|
|
*/
|
|
Watcher.prototype.cleanupDeps = function cleanupDeps () {
|
|
var this$1 = this;
|
|
|
|
var i = this.deps.length;
|
|
while (i--) {
|
|
var dep = this$1.deps[i];
|
|
if (!this$1.newDepIds.has(dep.id)) {
|
|
dep.removeSub(this$1);
|
|
}
|
|
}
|
|
var tmp = this.depIds;
|
|
this.depIds = this.newDepIds;
|
|
this.newDepIds = tmp;
|
|
this.newDepIds.clear();
|
|
tmp = this.deps;
|
|
this.deps = this.newDeps;
|
|
this.newDeps = tmp;
|
|
this.newDeps.length = 0;
|
|
};
|
|
|
|
/**
|
|
* Subscriber interface.
|
|
* Will be called when a dependency changes.
|
|
*/
|
|
Watcher.prototype.update = function update () {
|
|
/* istanbul ignore else */
|
|
if (this.lazy) {
|
|
this.dirty = true;
|
|
} else if (this.sync) {
|
|
this.run();
|
|
} else {
|
|
queueWatcher(this);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Scheduler job interface.
|
|
* Will be called by the scheduler.
|
|
*/
|
|
Watcher.prototype.run = function run () {
|
|
if (this.active) {
|
|
var value = this.get();
|
|
if (
|
|
value !== this.value ||
|
|
// Deep watchers and watchers on Object/Arrays should fire even
|
|
// when the value is the same, because the value may
|
|
// have mutated.
|
|
isObject(value) ||
|
|
this.deep
|
|
) {
|
|
// set new value
|
|
var oldValue = this.value;
|
|
this.value = value;
|
|
if (this.user) {
|
|
try {
|
|
this.cb.call(this.vm, value, oldValue);
|
|
} catch (e) {
|
|
handleError(e, this.vm, ("callback for watcher \"" + (this.expression) + "\""));
|
|
}
|
|
} else {
|
|
this.cb.call(this.vm, value, oldValue);
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Evaluate the value of the watcher.
|
|
* This only gets called for lazy watchers.
|
|
*/
|
|
Watcher.prototype.evaluate = function evaluate () {
|
|
this.value = this.get();
|
|
this.dirty = false;
|
|
};
|
|
|
|
/**
|
|
* Depend on all deps collected by this watcher.
|
|
*/
|
|
Watcher.prototype.depend = function depend () {
|
|
var this$1 = this;
|
|
|
|
var i = this.deps.length;
|
|
while (i--) {
|
|
this$1.deps[i].depend();
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Remove self from all dependencies' subscriber list.
|
|
*/
|
|
Watcher.prototype.teardown = function teardown () {
|
|
var this$1 = this;
|
|
|
|
if (this.active) {
|
|
// remove self from vm's watcher list
|
|
// this is a somewhat expensive operation so we skip it
|
|
// if the vm is being destroyed.
|
|
if (!this.vm._isBeingDestroyed) {
|
|
remove(this.vm._watchers, this);
|
|
}
|
|
var i = this.deps.length;
|
|
while (i--) {
|
|
this$1.deps[i].removeSub(this$1);
|
|
}
|
|
this.active = false;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Recursively traverse an object to evoke all converted
|
|
* getters, so that every nested property inside the object
|
|
* is collected as a "deep" dependency.
|
|
*/
|
|
var seenObjects = new _Set();
|
|
function traverse (val) {
|
|
seenObjects.clear();
|
|
_traverse(val, seenObjects);
|
|
}
|
|
|
|
function _traverse (val, seen) {
|
|
var i, keys;
|
|
var isA = Array.isArray(val);
|
|
if ((!isA && !isObject(val)) || !Object.isExtensible(val)) {
|
|
return
|
|
}
|
|
if (val.__ob__) {
|
|
var depId = val.__ob__.dep.id;
|
|
if (seen.has(depId)) {
|
|
return
|
|
}
|
|
seen.add(depId);
|
|
}
|
|
if (isA) {
|
|
i = val.length;
|
|
while (i--) { _traverse(val[i], seen); }
|
|
} else {
|
|
keys = Object.keys(val);
|
|
i = keys.length;
|
|
while (i--) { _traverse(val[keys[i]], seen); }
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
var sharedPropertyDefinition = {
|
|
enumerable: true,
|
|
configurable: true,
|
|
get: noop,
|
|
set: noop
|
|
};
|
|
|
|
function proxy (target, sourceKey, key) {
|
|
sharedPropertyDefinition.get = function proxyGetter () {
|
|
return this[sourceKey][key]
|
|
};
|
|
sharedPropertyDefinition.set = function proxySetter (val) {
|
|
this[sourceKey][key] = val;
|
|
};
|
|
Object.defineProperty(target, key, sharedPropertyDefinition);
|
|
}
|
|
|
|
function initState (vm) {
|
|
vm._watchers = [];
|
|
var opts = vm.$options;
|
|
if (opts.props) { initProps(vm, opts.props); }
|
|
if (opts.methods) { initMethods(vm, opts.methods); }
|
|
if (opts.data) {
|
|
initData(vm);
|
|
} else {
|
|
observe(vm._data = {}, true /* asRootData */);
|
|
}
|
|
if (opts.computed) { initComputed(vm, opts.computed); }
|
|
if (opts.watch) { initWatch(vm, opts.watch); }
|
|
}
|
|
|
|
var isReservedProp = { key: 1, ref: 1, slot: 1 };
|
|
|
|
function initProps (vm, propsOptions) {
|
|
var propsData = vm.$options.propsData || {};
|
|
var props = vm._props = {};
|
|
// cache prop keys so that future props updates can iterate using Array
|
|
// instead of dynamic object key enumeration.
|
|
var keys = vm.$options._propKeys = [];
|
|
var isRoot = !vm.$parent;
|
|
// root instance props should be converted
|
|
observerState.shouldConvert = isRoot;
|
|
var loop = function ( key ) {
|
|
keys.push(key);
|
|
var value = validateProp(key, propsOptions, propsData, vm);
|
|
/* istanbul ignore else */
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
if (isReservedProp[key]) {
|
|
warn(
|
|
("\"" + key + "\" is a reserved attribute and cannot be used as component prop."),
|
|
vm
|
|
);
|
|
}
|
|
defineReactive$$1(props, key, value, function () {
|
|
if (vm.$parent && !observerState.isSettingProps) {
|
|
warn(
|
|
"Avoid mutating a prop directly since the value will be " +
|
|
"overwritten whenever the parent component re-renders. " +
|
|
"Instead, use a data or computed property based on the prop's " +
|
|
"value. Prop being mutated: \"" + key + "\"",
|
|
vm
|
|
);
|
|
}
|
|
});
|
|
} else {
|
|
defineReactive$$1(props, key, value);
|
|
}
|
|
// static props are already proxied on the component's prototype
|
|
// during Vue.extend(). We only need to proxy props defined at
|
|
// instantiation here.
|
|
if (!(key in vm)) {
|
|
proxy(vm, "_props", key);
|
|
}
|
|
};
|
|
|
|
for (var key in propsOptions) loop( key );
|
|
observerState.shouldConvert = true;
|
|
}
|
|
|
|
function initData (vm) {
|
|
var data = vm.$options.data;
|
|
data = vm._data = typeof data === 'function'
|
|
? getData(data, vm)
|
|
: data || {};
|
|
if (!isPlainObject(data)) {
|
|
data = {};
|
|
process.env.NODE_ENV !== 'production' && warn(
|
|
'data functions should return an object:\n' +
|
|
'https://vuejs.org/v2/guide/components.html#data-Must-Be-a-Function',
|
|
vm
|
|
);
|
|
}
|
|
// proxy data on instance
|
|
var keys = Object.keys(data);
|
|
var props = vm.$options.props;
|
|
var i = keys.length;
|
|
while (i--) {
|
|
if (props && hasOwn(props, keys[i])) {
|
|
process.env.NODE_ENV !== 'production' && warn(
|
|
"The data property \"" + (keys[i]) + "\" is already declared as a prop. " +
|
|
"Use prop default value instead.",
|
|
vm
|
|
);
|
|
} else if (!isReserved(keys[i])) {
|
|
proxy(vm, "_data", keys[i]);
|
|
}
|
|
}
|
|
// observe data
|
|
observe(data, true /* asRootData */);
|
|
}
|
|
|
|
function getData (data, vm) {
|
|
try {
|
|
return data.call(vm)
|
|
} catch (e) {
|
|
handleError(e, vm, "data()");
|
|
return {}
|
|
}
|
|
}
|
|
|
|
var computedWatcherOptions = { lazy: true };
|
|
|
|
function initComputed (vm, computed) {
|
|
var watchers = vm._computedWatchers = Object.create(null);
|
|
|
|
for (var key in computed) {
|
|
var userDef = computed[key];
|
|
var getter = typeof userDef === 'function' ? userDef : userDef.get;
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
if (getter === undefined) {
|
|
warn(
|
|
("No getter function has been defined for computed property \"" + key + "\"."),
|
|
vm
|
|
);
|
|
getter = noop;
|
|
}
|
|
}
|
|
// create internal watcher for the computed property.
|
|
watchers[key] = new Watcher(vm, getter, noop, computedWatcherOptions);
|
|
|
|
// component-defined computed properties are already defined on the
|
|
// component prototype. We only need to define computed properties defined
|
|
// at instantiation here.
|
|
if (!(key in vm)) {
|
|
defineComputed(vm, key, userDef);
|
|
}
|
|
}
|
|
}
|
|
|
|
function defineComputed (target, key, userDef) {
|
|
if (typeof userDef === 'function') {
|
|
sharedPropertyDefinition.get = createComputedGetter(key);
|
|
sharedPropertyDefinition.set = noop;
|
|
} else {
|
|
sharedPropertyDefinition.get = userDef.get
|
|
? userDef.cache !== false
|
|
? createComputedGetter(key)
|
|
: userDef.get
|
|
: noop;
|
|
sharedPropertyDefinition.set = userDef.set
|
|
? userDef.set
|
|
: noop;
|
|
}
|
|
Object.defineProperty(target, key, sharedPropertyDefinition);
|
|
}
|
|
|
|
function createComputedGetter (key) {
|
|
return function computedGetter () {
|
|
var watcher = this._computedWatchers && this._computedWatchers[key];
|
|
if (watcher) {
|
|
if (watcher.dirty) {
|
|
watcher.evaluate();
|
|
}
|
|
if (Dep.target) {
|
|
watcher.depend();
|
|
}
|
|
return watcher.value
|
|
}
|
|
}
|
|
}
|
|
|
|
function initMethods (vm, methods) {
|
|
var props = vm.$options.props;
|
|
for (var key in methods) {
|
|
vm[key] = methods[key] == null ? noop : bind(methods[key], vm);
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
if (methods[key] == null) {
|
|
warn(
|
|
"method \"" + key + "\" has an undefined value in the component definition. " +
|
|
"Did you reference the function correctly?",
|
|
vm
|
|
);
|
|
}
|
|
if (props && hasOwn(props, key)) {
|
|
warn(
|
|
("method \"" + key + "\" has already been defined as a prop."),
|
|
vm
|
|
);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function initWatch (vm, watch) {
|
|
for (var key in watch) {
|
|
var handler = watch[key];
|
|
if (Array.isArray(handler)) {
|
|
for (var i = 0; i < handler.length; i++) {
|
|
createWatcher(vm, key, handler[i]);
|
|
}
|
|
} else {
|
|
createWatcher(vm, key, handler);
|
|
}
|
|
}
|
|
}
|
|
|
|
function createWatcher (vm, key, handler) {
|
|
var options;
|
|
if (isPlainObject(handler)) {
|
|
options = handler;
|
|
handler = handler.handler;
|
|
}
|
|
if (typeof handler === 'string') {
|
|
handler = vm[handler];
|
|
}
|
|
vm.$watch(key, handler, options);
|
|
}
|
|
|
|
function stateMixin (Vue) {
|
|
// flow somehow has problems with directly declared definition object
|
|
// when using Object.defineProperty, so we have to procedurally build up
|
|
// the object here.
|
|
var dataDef = {};
|
|
dataDef.get = function () { return this._data };
|
|
var propsDef = {};
|
|
propsDef.get = function () { return this._props };
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
dataDef.set = function (newData) {
|
|
warn(
|
|
'Avoid replacing instance root $data. ' +
|
|
'Use nested data properties instead.',
|
|
this
|
|
);
|
|
};
|
|
propsDef.set = function () {
|
|
warn("$props is readonly.", this);
|
|
};
|
|
}
|
|
Object.defineProperty(Vue.prototype, '$data', dataDef);
|
|
Object.defineProperty(Vue.prototype, '$props', propsDef);
|
|
|
|
Vue.prototype.$set = set;
|
|
Vue.prototype.$delete = del;
|
|
|
|
Vue.prototype.$watch = function (
|
|
expOrFn,
|
|
cb,
|
|
options
|
|
) {
|
|
var vm = this;
|
|
options = options || {};
|
|
options.user = true;
|
|
var watcher = new Watcher(vm, expOrFn, cb, options);
|
|
if (options.immediate) {
|
|
cb.call(vm, watcher.value);
|
|
}
|
|
return function unwatchFn () {
|
|
watcher.teardown();
|
|
}
|
|
};
|
|
}
|
|
|
|
/* */
|
|
|
|
// hooks to be invoked on component VNodes during patch
|
|
var componentVNodeHooks = {
|
|
init: function init (
|
|
vnode,
|
|
hydrating,
|
|
parentElm,
|
|
refElm
|
|
) {
|
|
if (!vnode.componentInstance || vnode.componentInstance._isDestroyed) {
|
|
var child = vnode.componentInstance = createComponentInstanceForVnode(
|
|
vnode,
|
|
activeInstance,
|
|
parentElm,
|
|
refElm
|
|
);
|
|
child.$mount(hydrating ? vnode.elm : undefined, hydrating);
|
|
} else if (vnode.data.keepAlive) {
|
|
// kept-alive components, treat as a patch
|
|
var mountedNode = vnode; // work around flow
|
|
componentVNodeHooks.prepatch(mountedNode, mountedNode);
|
|
}
|
|
},
|
|
|
|
prepatch: function prepatch (oldVnode, vnode) {
|
|
var options = vnode.componentOptions;
|
|
var child = vnode.componentInstance = oldVnode.componentInstance;
|
|
updateChildComponent(
|
|
child,
|
|
options.propsData, // updated props
|
|
options.listeners, // updated listeners
|
|
vnode, // new parent vnode
|
|
options.children // new children
|
|
);
|
|
},
|
|
|
|
insert: function insert (vnode) {
|
|
if (!vnode.componentInstance._isMounted) {
|
|
vnode.componentInstance._isMounted = true;
|
|
callHook(vnode.componentInstance, 'mounted');
|
|
}
|
|
if (vnode.data.keepAlive) {
|
|
activateChildComponent(vnode.componentInstance, true /* direct */);
|
|
}
|
|
},
|
|
|
|
destroy: function destroy (vnode) {
|
|
if (!vnode.componentInstance._isDestroyed) {
|
|
if (!vnode.data.keepAlive) {
|
|
vnode.componentInstance.$destroy();
|
|
} else {
|
|
deactivateChildComponent(vnode.componentInstance, true /* direct */);
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
var hooksToMerge = Object.keys(componentVNodeHooks);
|
|
|
|
function createComponent (
|
|
Ctor,
|
|
data,
|
|
context,
|
|
children,
|
|
tag
|
|
) {
|
|
if (!Ctor) {
|
|
return
|
|
}
|
|
|
|
var baseCtor = context.$options._base;
|
|
if (isObject(Ctor)) {
|
|
Ctor = baseCtor.extend(Ctor);
|
|
}
|
|
|
|
if (typeof Ctor !== 'function') {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
warn(("Invalid Component definition: " + (String(Ctor))), context);
|
|
}
|
|
return
|
|
}
|
|
|
|
// async component
|
|
if (!Ctor.cid) {
|
|
if (Ctor.resolved) {
|
|
Ctor = Ctor.resolved;
|
|
} else {
|
|
Ctor = resolveAsyncComponent(Ctor, baseCtor, function () {
|
|
// it's ok to queue this on every render because
|
|
// $forceUpdate is buffered by the scheduler.
|
|
context.$forceUpdate();
|
|
});
|
|
if (!Ctor) {
|
|
// return nothing if this is indeed an async component
|
|
// wait for the callback to trigger parent update.
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
// resolve constructor options in case global mixins are applied after
|
|
// component constructor creation
|
|
resolveConstructorOptions(Ctor);
|
|
|
|
data = data || {};
|
|
|
|
// transform component v-model data into props & events
|
|
if (data.model) {
|
|
transformModel(Ctor.options, data);
|
|
}
|
|
|
|
// extract props
|
|
var propsData = extractProps(data, Ctor, tag);
|
|
|
|
// functional component
|
|
if (Ctor.options.functional) {
|
|
return createFunctionalComponent(Ctor, propsData, data, context, children)
|
|
}
|
|
|
|
// extract listeners, since these needs to be treated as
|
|
// child component listeners instead of DOM listeners
|
|
var listeners = data.on;
|
|
// replace with listeners with .native modifier
|
|
data.on = data.nativeOn;
|
|
|
|
if (Ctor.options.abstract) {
|
|
// abstract components do not keep anything
|
|
// other than props & listeners
|
|
data = {};
|
|
}
|
|
|
|
// merge component management hooks onto the placeholder node
|
|
mergeHooks(data);
|
|
|
|
// return a placeholder vnode
|
|
var name = Ctor.options.name || tag;
|
|
var vnode = new VNode(
|
|
("vue-component-" + (Ctor.cid) + (name ? ("-" + name) : '')),
|
|
data, undefined, undefined, undefined, context,
|
|
{ Ctor: Ctor, propsData: propsData, listeners: listeners, tag: tag, children: children }
|
|
);
|
|
return vnode
|
|
}
|
|
|
|
function createFunctionalComponent (
|
|
Ctor,
|
|
propsData,
|
|
data,
|
|
context,
|
|
children
|
|
) {
|
|
var props = {};
|
|
var propOptions = Ctor.options.props;
|
|
if (propOptions) {
|
|
for (var key in propOptions) {
|
|
props[key] = validateProp(key, propOptions, propsData);
|
|
}
|
|
}
|
|
// ensure the createElement function in functional components
|
|
// gets a unique context - this is necessary for correct named slot check
|
|
var _context = Object.create(context);
|
|
var h = function (a, b, c, d) { return createElement(_context, a, b, c, d, true); };
|
|
var vnode = Ctor.options.render.call(null, h, {
|
|
props: props,
|
|
data: data,
|
|
parent: context,
|
|
children: children,
|
|
slots: function () { return resolveSlots(children, context); }
|
|
});
|
|
if (vnode instanceof VNode) {
|
|
vnode.functionalContext = context;
|
|
if (data.slot) {
|
|
(vnode.data || (vnode.data = {})).slot = data.slot;
|
|
}
|
|
}
|
|
return vnode
|
|
}
|
|
|
|
function createComponentInstanceForVnode (
|
|
vnode, // we know it's MountedComponentVNode but flow doesn't
|
|
parent, // activeInstance in lifecycle state
|
|
parentElm,
|
|
refElm
|
|
) {
|
|
var vnodeComponentOptions = vnode.componentOptions;
|
|
var options = {
|
|
_isComponent: true,
|
|
parent: parent,
|
|
propsData: vnodeComponentOptions.propsData,
|
|
_componentTag: vnodeComponentOptions.tag,
|
|
_parentVnode: vnode,
|
|
_parentListeners: vnodeComponentOptions.listeners,
|
|
_renderChildren: vnodeComponentOptions.children,
|
|
_parentElm: parentElm || null,
|
|
_refElm: refElm || null
|
|
};
|
|
// check inline-template render functions
|
|
var inlineTemplate = vnode.data.inlineTemplate;
|
|
if (inlineTemplate) {
|
|
options.render = inlineTemplate.render;
|
|
options.staticRenderFns = inlineTemplate.staticRenderFns;
|
|
}
|
|
return new vnodeComponentOptions.Ctor(options)
|
|
}
|
|
|
|
function resolveAsyncComponent (
|
|
factory,
|
|
baseCtor,
|
|
cb
|
|
) {
|
|
if (factory.requested) {
|
|
// pool callbacks
|
|
factory.pendingCallbacks.push(cb);
|
|
} else {
|
|
factory.requested = true;
|
|
var cbs = factory.pendingCallbacks = [cb];
|
|
var sync = true;
|
|
|
|
var resolve = function (res) {
|
|
if (isObject(res)) {
|
|
res = baseCtor.extend(res);
|
|
}
|
|
// cache resolved
|
|
factory.resolved = res;
|
|
// invoke callbacks only if this is not a synchronous resolve
|
|
// (async resolves are shimmed as synchronous during SSR)
|
|
if (!sync) {
|
|
for (var i = 0, l = cbs.length; i < l; i++) {
|
|
cbs[i](res);
|
|
}
|
|
}
|
|
};
|
|
|
|
var reject = function (reason) {
|
|
process.env.NODE_ENV !== 'production' && warn(
|
|
"Failed to resolve async component: " + (String(factory)) +
|
|
(reason ? ("\nReason: " + reason) : '')
|
|
);
|
|
};
|
|
|
|
var res = factory(resolve, reject);
|
|
|
|
// handle promise
|
|
if (res && typeof res.then === 'function' && !factory.resolved) {
|
|
res.then(resolve, reject);
|
|
}
|
|
|
|
sync = false;
|
|
// return in case resolved synchronously
|
|
return factory.resolved
|
|
}
|
|
}
|
|
|
|
function extractProps (data, Ctor, 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 (!propOptions) {
|
|
return
|
|
}
|
|
var res = {};
|
|
var attrs = data.attrs;
|
|
var props = data.props;
|
|
var domProps = data.domProps;
|
|
if (attrs || props || domProps) {
|
|
for (var key in propOptions) {
|
|
var altKey = hyphenate(key);
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
var keyInLowerCase = key.toLowerCase();
|
|
if (
|
|
key !== keyInLowerCase &&
|
|
attrs && attrs.hasOwnProperty(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) ||
|
|
checkProp(res, domProps, key, altKey);
|
|
}
|
|
}
|
|
return res
|
|
}
|
|
|
|
function checkProp (
|
|
res,
|
|
hash,
|
|
key,
|
|
altKey,
|
|
preserve
|
|
) {
|
|
if (hash) {
|
|
if (hasOwn(hash, key)) {
|
|
res[key] = hash[key];
|
|
if (!preserve) {
|
|
delete hash[key];
|
|
}
|
|
return true
|
|
} else if (hasOwn(hash, altKey)) {
|
|
res[key] = hash[altKey];
|
|
if (!preserve) {
|
|
delete hash[altKey];
|
|
}
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
function mergeHooks (data) {
|
|
if (!data.hook) {
|
|
data.hook = {};
|
|
}
|
|
for (var i = 0; i < hooksToMerge.length; i++) {
|
|
var key = hooksToMerge[i];
|
|
var fromParent = data.hook[key];
|
|
var ours = componentVNodeHooks[key];
|
|
data.hook[key] = fromParent ? mergeHook$1(ours, fromParent) : ours;
|
|
}
|
|
}
|
|
|
|
function mergeHook$1 (one, two) {
|
|
return function (a, b, c, d) {
|
|
one(a, b, c, d);
|
|
two(a, b, c, d);
|
|
}
|
|
}
|
|
|
|
// transform component v-model info (value and callback) into
|
|
// prop and event handler respectively.
|
|
function transformModel (options, data) {
|
|
var prop = (options.model && options.model.prop) || 'value';
|
|
var event = (options.model && options.model.event) || 'input';(data.props || (data.props = {}))[prop] = data.model.value;
|
|
var on = data.on || (data.on = {});
|
|
if (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 (alwaysNormalize) { normalizationType = ALWAYS_NORMALIZE; }
|
|
return _createElement(context, tag, data, children, normalizationType)
|
|
}
|
|
|
|
function _createElement (
|
|
context,
|
|
tag,
|
|
data,
|
|
children,
|
|
normalizationType
|
|
) {
|
|
if (data && data.__ob__) {
|
|
process.env.NODE_ENV !== 'production' && warn(
|
|
"Avoid using observed data object as vnode data: " + (JSON.stringify(data)) + "\n" +
|
|
'Always create fresh vnode data objects in each render!',
|
|
context
|
|
);
|
|
return createEmptyVNode()
|
|
}
|
|
if (!tag) {
|
|
// in case of component :is set to falsy value
|
|
return createEmptyVNode()
|
|
}
|
|
// support single function children as default scoped slot
|
|
if (Array.isArray(children) &&
|
|
typeof children[0] === 'function') {
|
|
data = data || {};
|
|
data.scopedSlots = { default: children[0] };
|
|
children.length = 0;
|
|
}
|
|
if (normalizationType === ALWAYS_NORMALIZE) {
|
|
children = normalizeChildren(children);
|
|
} else if (normalizationType === SIMPLE_NORMALIZE) {
|
|
children = simpleNormalizeChildren(children);
|
|
}
|
|
var vnode, ns;
|
|
if (typeof tag === 'string') {
|
|
var Ctor;
|
|
ns = config.getTagNamespace(tag);
|
|
if (config.isReservedTag(tag)) {
|
|
// platform built-in elements
|
|
vnode = new VNode(
|
|
config.parsePlatformTagName(tag), data, children,
|
|
undefined, undefined, context
|
|
);
|
|
} else if ((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 (vnode) {
|
|
if (ns) { applyNS(vnode, ns); }
|
|
return vnode
|
|
} else {
|
|
return createEmptyVNode()
|
|
}
|
|
}
|
|
|
|
function applyNS (vnode, ns) {
|
|
vnode.ns = ns;
|
|
if (vnode.tag === 'foreignObject') {
|
|
// use default namespace inside foreignObject
|
|
return
|
|
}
|
|
if (vnode.children) {
|
|
for (var i = 0, l = vnode.children.length; i < l; i++) {
|
|
var child = vnode.children[i];
|
|
if (child.tag && !child.ns) {
|
|
applyNS(child, ns);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
/**
|
|
* Runtime helper for rendering v-for lists.
|
|
*/
|
|
function renderList (
|
|
val,
|
|
render
|
|
) {
|
|
var ret, i, l, keys, key;
|
|
if (Array.isArray(val) || typeof val === 'string') {
|
|
ret = new Array(val.length);
|
|
for (i = 0, l = val.length; i < l; i++) {
|
|
ret[i] = render(val[i], i);
|
|
}
|
|
} else if (typeof val === 'number') {
|
|
ret = new Array(val);
|
|
for (i = 0; i < val; i++) {
|
|
ret[i] = render(i + 1, i);
|
|
}
|
|
} else if (isObject(val)) {
|
|
keys = Object.keys(val);
|
|
ret = new Array(keys.length);
|
|
for (i = 0, l = keys.length; i < l; i++) {
|
|
key = keys[i];
|
|
ret[i] = render(val[key], key, i);
|
|
}
|
|
}
|
|
return ret
|
|
}
|
|
|
|
/* */
|
|
|
|
/**
|
|
* Runtime helper for rendering <slot>
|
|
*/
|
|
function renderSlot (
|
|
name,
|
|
fallback,
|
|
props,
|
|
bindObject
|
|
) {
|
|
var scopedSlotFn = this.$scopedSlots[name];
|
|
if (scopedSlotFn) { // scoped slot
|
|
props = props || {};
|
|
if (bindObject) {
|
|
extend(props, bindObject);
|
|
}
|
|
return scopedSlotFn(props) || fallback
|
|
} else {
|
|
var slotNodes = this.$slots[name];
|
|
// warn duplicate slot usage
|
|
if (slotNodes && process.env.NODE_ENV !== 'production') {
|
|
slotNodes._rendered && warn(
|
|
"Duplicate presence of slot \"" + name + "\" found in the same render tree " +
|
|
"- this will likely cause render errors.",
|
|
this
|
|
);
|
|
slotNodes._rendered = true;
|
|
}
|
|
return slotNodes || fallback
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
/**
|
|
* Runtime helper for resolving filters
|
|
*/
|
|
function resolveFilter (id) {
|
|
return resolveAsset(this.$options, 'filters', id, true) || identity
|
|
}
|
|
|
|
/* */
|
|
|
|
/**
|
|
* Runtime helper for checking keyCodes from config.
|
|
*/
|
|
function checkKeyCodes (
|
|
eventKeyCode,
|
|
key,
|
|
builtInAlias
|
|
) {
|
|
var keyCodes = config.keyCodes[key] || builtInAlias;
|
|
if (Array.isArray(keyCodes)) {
|
|
return keyCodes.indexOf(eventKeyCode) === -1
|
|
} else {
|
|
return keyCodes !== eventKeyCode
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
/**
|
|
* Runtime helper for merging v-bind="object" into a VNode's data.
|
|
*/
|
|
function bindObjectProps (
|
|
data,
|
|
tag,
|
|
value,
|
|
asProp
|
|
) {
|
|
if (value) {
|
|
if (!isObject(value)) {
|
|
process.env.NODE_ENV !== 'production' && warn(
|
|
'v-bind without argument expects an Object or Array value',
|
|
this
|
|
);
|
|
} else {
|
|
if (Array.isArray(value)) {
|
|
value = toObject(value);
|
|
}
|
|
var hash;
|
|
for (var key in value) {
|
|
if (key === 'class' || key === 'style') {
|
|
hash = data;
|
|
} else {
|
|
var type = data.attrs && data.attrs.type;
|
|
hash = asProp || config.mustUseProp(tag, type, key)
|
|
? data.domProps || (data.domProps = {})
|
|
: data.attrs || (data.attrs = {});
|
|
}
|
|
if (!(key in hash)) {
|
|
hash[key] = value[key];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return data
|
|
}
|
|
|
|
/* */
|
|
|
|
/**
|
|
* Runtime helper for rendering static trees.
|
|
*/
|
|
function renderStatic (
|
|
index,
|
|
isInFor
|
|
) {
|
|
var tree = this._staticTrees[index];
|
|
// if has already-rendered static tree and not inside v-for,
|
|
// we can reuse the same tree by doing a shallow clone.
|
|
if (tree && !isInFor) {
|
|
return Array.isArray(tree)
|
|
? cloneVNodes(tree)
|
|
: cloneVNode(tree)
|
|
}
|
|
// otherwise, render a fresh tree.
|
|
tree = this._staticTrees[index] =
|
|
this.$options.staticRenderFns[index].call(this._renderProxy);
|
|
markStatic(tree, ("__static__" + index), false);
|
|
return tree
|
|
}
|
|
|
|
/**
|
|
* Runtime helper for v-once.
|
|
* Effectively it means marking the node as static with a unique key.
|
|
*/
|
|
function markOnce (
|
|
tree,
|
|
index,
|
|
key
|
|
) {
|
|
markStatic(tree, ("__once__" + index + (key ? ("_" + key) : "")), true);
|
|
return tree
|
|
}
|
|
|
|
function markStatic (
|
|
tree,
|
|
key,
|
|
isOnce
|
|
) {
|
|
if (Array.isArray(tree)) {
|
|
for (var i = 0; i < tree.length; i++) {
|
|
if (tree[i] && typeof tree[i] !== 'string') {
|
|
markStaticNode(tree[i], (key + "_" + i), isOnce);
|
|
}
|
|
}
|
|
} else {
|
|
markStaticNode(tree, key, isOnce);
|
|
}
|
|
}
|
|
|
|
function markStaticNode (node, key, isOnce) {
|
|
node.isStatic = true;
|
|
node.key = key;
|
|
node.isOnce = isOnce;
|
|
}
|
|
|
|
/* */
|
|
|
|
function initRender (vm) {
|
|
vm.$vnode = null; // the placeholder node in parent tree
|
|
vm._vnode = null; // the root of the child tree
|
|
vm._staticTrees = null;
|
|
var parentVnode = vm.$options._parentVnode;
|
|
var renderContext = parentVnode && parentVnode.context;
|
|
vm.$slots = resolveSlots(vm.$options._renderChildren, renderContext);
|
|
vm.$scopedSlots = emptyObject;
|
|
// bind the createElement fn to this instance
|
|
// so that we get proper render context inside it.
|
|
// args order: tag, data, children, normalizationType, alwaysNormalize
|
|
// internal version is used by render functions compiled from templates
|
|
vm._c = function (a, b, c, d) { return createElement(vm, a, b, c, d, false); };
|
|
// normalization is always applied for the public version, used in
|
|
// user-written render functions.
|
|
vm.$createElement = function (a, b, c, d) { return createElement(vm, a, b, c, d, true); };
|
|
}
|
|
|
|
function renderMixin (Vue) {
|
|
Vue.prototype.$nextTick = function (fn) {
|
|
return nextTick(fn, this)
|
|
};
|
|
|
|
Vue.prototype._render = function () {
|
|
var vm = this;
|
|
var ref = vm.$options;
|
|
var render = ref.render;
|
|
var staticRenderFns = ref.staticRenderFns;
|
|
var _parentVnode = ref._parentVnode;
|
|
|
|
if (vm._isMounted) {
|
|
// clone slot nodes on re-renders
|
|
for (var key in vm.$slots) {
|
|
vm.$slots[key] = cloneVNodes(vm.$slots[key]);
|
|
}
|
|
}
|
|
|
|
vm.$scopedSlots = (_parentVnode && _parentVnode.data.scopedSlots) || emptyObject;
|
|
|
|
if (staticRenderFns && !vm._staticTrees) {
|
|
vm._staticTrees = [];
|
|
}
|
|
// set parent vnode. this allows render functions to have access
|
|
// to the data on the placeholder node.
|
|
vm.$vnode = _parentVnode;
|
|
// render self
|
|
var vnode;
|
|
try {
|
|
vnode = render.call(vm._renderProxy, vm.$createElement);
|
|
} catch (e) {
|
|
handleError(e, vm, "render function");
|
|
// return error render result,
|
|
// or previous vnode to prevent render error causing blank component
|
|
/* istanbul ignore else */
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
vnode = vm.$options.renderError
|
|
? vm.$options.renderError.call(vm._renderProxy, vm.$createElement, e)
|
|
: vm._vnode;
|
|
} else {
|
|
vnode = vm._vnode;
|
|
}
|
|
}
|
|
// return empty vnode in case the render function errored out
|
|
if (!(vnode instanceof VNode)) {
|
|
if (process.env.NODE_ENV !== 'production' && Array.isArray(vnode)) {
|
|
warn(
|
|
'Multiple root nodes returned from render function. Render function ' +
|
|
'should return a single root node.',
|
|
vm
|
|
);
|
|
}
|
|
vnode = createEmptyVNode();
|
|
}
|
|
// set parent
|
|
vnode.parent = _parentVnode;
|
|
return vnode
|
|
};
|
|
|
|
// internal render helpers.
|
|
// these are exposed on the instance prototype to reduce generated render
|
|
// code size.
|
|
Vue.prototype._o = markOnce;
|
|
Vue.prototype._n = toNumber;
|
|
Vue.prototype._s = _toString;
|
|
Vue.prototype._l = renderList;
|
|
Vue.prototype._t = renderSlot;
|
|
Vue.prototype._q = looseEqual;
|
|
Vue.prototype._i = looseIndexOf;
|
|
Vue.prototype._m = renderStatic;
|
|
Vue.prototype._f = resolveFilter;
|
|
Vue.prototype._k = checkKeyCodes;
|
|
Vue.prototype._b = bindObjectProps;
|
|
Vue.prototype._v = createTextVNode;
|
|
Vue.prototype._e = createEmptyVNode;
|
|
Vue.prototype._u = resolveScopedSlots;
|
|
}
|
|
|
|
/* */
|
|
|
|
function initProvide (vm) {
|
|
var provide = vm.$options.provide;
|
|
if (provide) {
|
|
vm._provided = typeof provide === 'function'
|
|
? provide.call(vm)
|
|
: provide;
|
|
}
|
|
}
|
|
|
|
function initInjections (vm) {
|
|
var inject = vm.$options.inject;
|
|
if (inject) {
|
|
// inject is :any because flow is not smart enough to figure out cached
|
|
// isArray here
|
|
var isArray = Array.isArray(inject);
|
|
var keys = isArray
|
|
? inject
|
|
: hasSymbol
|
|
? Reflect.ownKeys(inject)
|
|
: Object.keys(inject);
|
|
|
|
var loop = function ( i ) {
|
|
var key = keys[i];
|
|
var provideKey = isArray ? key : inject[key];
|
|
var source = vm;
|
|
while (source) {
|
|
if (source._provided && provideKey in source._provided) {
|
|
/* istanbul ignore else */
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
defineReactive$$1(vm, key, source._provided[provideKey], function () {
|
|
warn(
|
|
"Avoid mutating an injected value directly since the changes will be " +
|
|
"overwritten whenever the provided component re-renders. " +
|
|
"injection being mutated: \"" + key + "\"",
|
|
vm
|
|
);
|
|
});
|
|
} else {
|
|
defineReactive$$1(vm, key, source._provided[provideKey]);
|
|
}
|
|
break
|
|
}
|
|
source = source.$parent;
|
|
}
|
|
};
|
|
|
|
for (var i = 0; i < keys.length; i++) loop( i );
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
var uid = 0;
|
|
|
|
function initMixin (Vue) {
|
|
Vue.prototype._init = function (options) {
|
|
var vm = this;
|
|
// a uid
|
|
vm._uid = uid++;
|
|
|
|
var startTag, endTag;
|
|
/* istanbul ignore if */
|
|
if (process.env.NODE_ENV !== 'production' && config.performance && mark) {
|
|
startTag = "vue-perf-init:" + (vm._uid);
|
|
endTag = "vue-perf-end:" + (vm._uid);
|
|
mark(startTag);
|
|
}
|
|
|
|
// a flag to avoid this being observed
|
|
vm._isVue = true;
|
|
// merge options
|
|
if (options && options._isComponent) {
|
|
// optimize internal component instantiation
|
|
// since dynamic options merging is pretty slow, and none of the
|
|
// internal component options needs special treatment.
|
|
initInternalComponent(vm, options);
|
|
} else {
|
|
vm.$options = mergeOptions(
|
|
resolveConstructorOptions(vm.constructor),
|
|
options || {},
|
|
vm
|
|
);
|
|
}
|
|
/* istanbul ignore else */
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
initProxy(vm);
|
|
} else {
|
|
vm._renderProxy = 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 (process.env.NODE_ENV !== 'production' && config.performance && mark) {
|
|
vm._name = formatComponentName(vm, false);
|
|
mark(endTag);
|
|
measure(((vm._name) + " init"), startTag, endTag);
|
|
}
|
|
|
|
if (vm.$options.el) {
|
|
vm.$mount(vm.$options.el);
|
|
}
|
|
};
|
|
}
|
|
|
|
function initInternalComponent (vm, options) {
|
|
var opts = vm.$options = Object.create(vm.constructor.options);
|
|
// doing this because it's faster than dynamic enumeration.
|
|
opts.parent = options.parent;
|
|
opts.propsData = options.propsData;
|
|
opts._parentVnode = options._parentVnode;
|
|
opts._parentListeners = options._parentListeners;
|
|
opts._renderChildren = options._renderChildren;
|
|
opts._componentTag = options._componentTag;
|
|
opts._parentElm = options._parentElm;
|
|
opts._refElm = options._refElm;
|
|
if (options.render) {
|
|
opts.render = options.render;
|
|
opts.staticRenderFns = options.staticRenderFns;
|
|
}
|
|
}
|
|
|
|
function resolveConstructorOptions (Ctor) {
|
|
var options = Ctor.options;
|
|
if (Ctor.super) {
|
|
var superOptions = resolveConstructorOptions(Ctor.super);
|
|
var cachedSuperOptions = Ctor.superOptions;
|
|
if (superOptions !== cachedSuperOptions) {
|
|
// super option changed,
|
|
// need to resolve new options.
|
|
Ctor.superOptions = superOptions;
|
|
// check if there are any late-modified/attached options (#4976)
|
|
var modifiedOptions = resolveModifiedOptions(Ctor);
|
|
// update base extend options
|
|
if (modifiedOptions) {
|
|
extend(Ctor.extendOptions, modifiedOptions);
|
|
}
|
|
options = Ctor.options = mergeOptions(superOptions, Ctor.extendOptions);
|
|
if (options.name) {
|
|
options.components[options.name] = Ctor;
|
|
}
|
|
}
|
|
}
|
|
return options
|
|
}
|
|
|
|
function resolveModifiedOptions (Ctor) {
|
|
var modified;
|
|
var latest = Ctor.options;
|
|
var sealed = Ctor.sealedOptions;
|
|
for (var key in latest) {
|
|
if (latest[key] !== sealed[key]) {
|
|
if (!modified) { modified = {}; }
|
|
modified[key] = dedupe(latest[key], sealed[key]);
|
|
}
|
|
}
|
|
return modified
|
|
}
|
|
|
|
function dedupe (latest, 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];
|
|
for (var i = 0; i < latest.length; i++) {
|
|
if (sealed.indexOf(latest[i]) < 0) {
|
|
res.push(latest[i]);
|
|
}
|
|
}
|
|
return res
|
|
} else {
|
|
return latest
|
|
}
|
|
}
|
|
|
|
function Vue$2 (options) {
|
|
if (process.env.NODE_ENV !== 'production' &&
|
|
!(this instanceof Vue$2)) {
|
|
warn('Vue is a constructor and should be called with the `new` keyword');
|
|
}
|
|
this._init(options);
|
|
}
|
|
|
|
initMixin(Vue$2);
|
|
stateMixin(Vue$2);
|
|
eventsMixin(Vue$2);
|
|
lifecycleMixin(Vue$2);
|
|
renderMixin(Vue$2);
|
|
|
|
/* */
|
|
|
|
function initUse (Vue) {
|
|
Vue.use = function (plugin) {
|
|
/* istanbul ignore if */
|
|
if (plugin.installed) {
|
|
return
|
|
}
|
|
// additional parameters
|
|
var args = toArray(arguments, 1);
|
|
args.unshift(this);
|
|
if (typeof plugin.install === 'function') {
|
|
plugin.install.apply(plugin, args);
|
|
} else if (typeof plugin === 'function') {
|
|
plugin.apply(null, args);
|
|
}
|
|
plugin.installed = true;
|
|
return this
|
|
};
|
|
}
|
|
|
|
/* */
|
|
|
|
function initMixin$1 (Vue) {
|
|
Vue.mixin = function (mixin) {
|
|
this.options = mergeOptions(this.options, mixin);
|
|
};
|
|
}
|
|
|
|
/* */
|
|
|
|
function initExtend (Vue) {
|
|
/**
|
|
* Each instance constructor, including Vue, has a unique
|
|
* cid. This enables us to create wrapped "child
|
|
* constructors" for prototypal inheritance and cache them.
|
|
*/
|
|
Vue.cid = 0;
|
|
var cid = 1;
|
|
|
|
/**
|
|
* Class inheritance
|
|
*/
|
|
Vue.extend = function (extendOptions) {
|
|
extendOptions = extendOptions || {};
|
|
var Super = this;
|
|
var SuperId = Super.cid;
|
|
var cachedCtors = extendOptions._Ctor || (extendOptions._Ctor = {});
|
|
if (cachedCtors[SuperId]) {
|
|
return cachedCtors[SuperId]
|
|
}
|
|
|
|
var name = extendOptions.name || Super.options.name;
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
if (!/^[a-zA-Z][\w-]*$/.test(name)) {
|
|
warn(
|
|
'Invalid component name: "' + name + '". Component names ' +
|
|
'can only contain alphanumeric characters and the hyphen, ' +
|
|
'and must start with a letter.'
|
|
);
|
|
}
|
|
}
|
|
|
|
var Sub = function VueComponent (options) {
|
|
this._init(options);
|
|
};
|
|
Sub.prototype = Object.create(Super.prototype);
|
|
Sub.prototype.constructor = Sub;
|
|
Sub.cid = cid++;
|
|
Sub.options = mergeOptions(
|
|
Super.options,
|
|
extendOptions
|
|
);
|
|
Sub['super'] = Super;
|
|
|
|
// For props and computed properties, we define the proxy getters on
|
|
// the Vue instances at extension time, on the extended prototype. This
|
|
// avoids Object.defineProperty calls for each instance created.
|
|
if (Sub.options.props) {
|
|
initProps$1(Sub);
|
|
}
|
|
if (Sub.options.computed) {
|
|
initComputed$1(Sub);
|
|
}
|
|
|
|
// allow further extension/mixin/plugin usage
|
|
Sub.extend = Super.extend;
|
|
Sub.mixin = Super.mixin;
|
|
Sub.use = Super.use;
|
|
|
|
// create asset registers, so extended classes
|
|
// can have their private assets too.
|
|
config._assetTypes.forEach(function (type) {
|
|
Sub[type] = Super[type];
|
|
});
|
|
// enable recursive self-lookup
|
|
if (name) {
|
|
Sub.options.components[name] = Sub;
|
|
}
|
|
|
|
// keep a reference to the super options at extension time.
|
|
// later at instantiation we can check if Super's options have
|
|
// been updated.
|
|
Sub.superOptions = Super.options;
|
|
Sub.extendOptions = extendOptions;
|
|
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.
|
|
*/
|
|
config._assetTypes.forEach(function (type) {
|
|
Vue[type] = function (
|
|
id,
|
|
definition
|
|
) {
|
|
if (!definition) {
|
|
return this.options[type + 's'][id]
|
|
} else {
|
|
/* istanbul ignore if */
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
if (type === 'component' && config.isReservedTag(id)) {
|
|
warn(
|
|
'Do not use built-in or reserved HTML elements as component ' +
|
|
'id: ' + id
|
|
);
|
|
}
|
|
}
|
|
if (type === 'component' && isPlainObject(definition)) {
|
|
definition.name = definition.name || id;
|
|
definition = this.options._base.extend(definition);
|
|
}
|
|
if (type === 'directive' && typeof definition === 'function') {
|
|
definition = { bind: definition, update: definition };
|
|
}
|
|
this.options[type + 's'][id] = definition;
|
|
return definition
|
|
}
|
|
};
|
|
});
|
|
}
|
|
|
|
/* */
|
|
|
|
var patternTypes = [String, RegExp];
|
|
|
|
function getComponentName (opts) {
|
|
return opts && (opts.Ctor.options.name || opts.tag)
|
|
}
|
|
|
|
function matches (pattern, name) {
|
|
if (typeof pattern === 'string') {
|
|
return pattern.split(',').indexOf(name) > -1
|
|
} else if (pattern instanceof RegExp) {
|
|
return pattern.test(name)
|
|
}
|
|
/* istanbul ignore next */
|
|
return false
|
|
}
|
|
|
|
function pruneCache (cache, filter) {
|
|
for (var key in cache) {
|
|
var cachedNode = cache[key];
|
|
if (cachedNode) {
|
|
var name = getComponentName(cachedNode.componentOptions);
|
|
if (name && !filter(name)) {
|
|
pruneCacheEntry(cachedNode);
|
|
cache[key] = null;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function pruneCacheEntry (vnode) {
|
|
if (vnode) {
|
|
if (!vnode.componentInstance._inactive) {
|
|
callHook(vnode.componentInstance, 'deactivated');
|
|
}
|
|
vnode.componentInstance.$destroy();
|
|
}
|
|
}
|
|
|
|
var KeepAlive = {
|
|
name: 'keep-alive',
|
|
abstract: true,
|
|
|
|
props: {
|
|
include: patternTypes,
|
|
exclude: patternTypes
|
|
},
|
|
|
|
created: function created () {
|
|
this.cache = Object.create(null);
|
|
},
|
|
|
|
destroyed: function destroyed () {
|
|
var this$1 = this;
|
|
|
|
for (var key in this$1.cache) {
|
|
pruneCacheEntry(this$1.cache[key]);
|
|
}
|
|
},
|
|
|
|
watch: {
|
|
include: function include (val) {
|
|
pruneCache(this.cache, function (name) { return matches(val, name); });
|
|
},
|
|
exclude: function exclude (val) {
|
|
pruneCache(this.cache, function (name) { return !matches(val, name); });
|
|
}
|
|
},
|
|
|
|
render: function render () {
|
|
var vnode = getFirstComponentChild(this.$slots.default);
|
|
var componentOptions = vnode && vnode.componentOptions;
|
|
if (componentOptions) {
|
|
// check pattern
|
|
var name = getComponentName(componentOptions);
|
|
if (name && (
|
|
(this.include && !matches(this.include, name)) ||
|
|
(this.exclude && matches(this.exclude, name))
|
|
)) {
|
|
return vnode
|
|
}
|
|
var key = vnode.key == null
|
|
// same constructor may get registered as different local components
|
|
// so cid alone is not enough (#3269)
|
|
? componentOptions.Ctor.cid + (componentOptions.tag ? ("::" + (componentOptions.tag)) : '')
|
|
: vnode.key;
|
|
if (this.cache[key]) {
|
|
vnode.componentInstance = this.cache[key].componentInstance;
|
|
} else {
|
|
this.cache[key] = vnode;
|
|
}
|
|
vnode.data.keepAlive = true;
|
|
}
|
|
return vnode
|
|
}
|
|
};
|
|
|
|
var builtInComponents = {
|
|
KeepAlive: KeepAlive
|
|
};
|
|
|
|
/* */
|
|
|
|
function initGlobalAPI (Vue) {
|
|
// config
|
|
var configDef = {};
|
|
configDef.get = function () { return config; };
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
configDef.set = function () {
|
|
warn(
|
|
'Do not replace the Vue.config object, set individual fields instead.'
|
|
);
|
|
};
|
|
}
|
|
Object.defineProperty(Vue, 'config', configDef);
|
|
|
|
// exposed util methods.
|
|
// NOTE: these are not considered part of the public API - avoid relying on
|
|
// them unless you are aware of the risk.
|
|
Vue.util = {
|
|
warn: warn,
|
|
extend: extend,
|
|
mergeOptions: mergeOptions,
|
|
defineReactive: defineReactive$$1
|
|
};
|
|
|
|
Vue.set = set;
|
|
Vue.delete = del;
|
|
Vue.nextTick = nextTick;
|
|
|
|
Vue.options = Object.create(null);
|
|
config._assetTypes.forEach(function (type) {
|
|
Vue.options[type + 's'] = Object.create(null);
|
|
});
|
|
|
|
// this is used to identify the "base" constructor to extend all plain-object
|
|
// components with in Weex's multi-instance scenarios.
|
|
Vue.options._base = Vue;
|
|
|
|
extend(Vue.options.components, builtInComponents);
|
|
|
|
initUse(Vue);
|
|
initMixin$1(Vue);
|
|
initExtend(Vue);
|
|
initAssetRegisters(Vue);
|
|
}
|
|
|
|
initGlobalAPI(Vue$2);
|
|
|
|
Object.defineProperty(Vue$2.prototype, '$isServer', {
|
|
get: isServerRendering
|
|
});
|
|
|
|
Vue$2.version = '2.2.6';
|
|
|
|
/* */
|
|
|
|
// attributes that should be using props for binding
|
|
var acceptValue = makeMap('input,textarea,option,select');
|
|
var mustUseProp = function (tag, type, attr) {
|
|
return (
|
|
(attr === 'value' && acceptValue(tag)) && type !== 'button' ||
|
|
(attr === 'selected' && tag === 'option') ||
|
|
(attr === 'checked' && tag === 'input') ||
|
|
(attr === 'muted' && tag === 'video')
|
|
)
|
|
};
|
|
|
|
var isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck');
|
|
|
|
var isBooleanAttr = makeMap(
|
|
'allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,' +
|
|
'default,defaultchecked,defaultmuted,defaultselected,defer,disabled,' +
|
|
'enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,' +
|
|
'muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,' +
|
|
'required,reversed,scoped,seamless,selected,sortable,translate,' +
|
|
'truespeed,typemustmatch,visible'
|
|
);
|
|
|
|
var xlinkNS = 'http://www.w3.org/1999/xlink';
|
|
|
|
var isXlink = function (name) {
|
|
return name.charAt(5) === ':' && name.slice(0, 5) === 'xlink'
|
|
};
|
|
|
|
var getXlinkProp = function (name) {
|
|
return isXlink(name) ? name.slice(6, name.length) : ''
|
|
};
|
|
|
|
var isFalsyAttrValue = function (val) {
|
|
return val == null || val === false
|
|
};
|
|
|
|
/* */
|
|
|
|
function genClassForVnode (vnode) {
|
|
var data = vnode.data;
|
|
var parentNode = vnode;
|
|
var childNode = vnode;
|
|
while (childNode.componentInstance) {
|
|
childNode = childNode.componentInstance._vnode;
|
|
if (childNode.data) {
|
|
data = mergeClassData(childNode.data, data);
|
|
}
|
|
}
|
|
while ((parentNode = parentNode.parent)) {
|
|
if (parentNode.data) {
|
|
data = mergeClassData(data, parentNode.data);
|
|
}
|
|
}
|
|
return genClassFromData(data)
|
|
}
|
|
|
|
function mergeClassData (child, parent) {
|
|
return {
|
|
staticClass: concat(child.staticClass, parent.staticClass),
|
|
class: child.class
|
|
? [child.class, parent.class]
|
|
: parent.class
|
|
}
|
|
}
|
|
|
|
function genClassFromData (data) {
|
|
var dynamicClass = data.class;
|
|
var staticClass = data.staticClass;
|
|
if (staticClass || dynamicClass) {
|
|
return concat(staticClass, stringifyClass(dynamicClass))
|
|
}
|
|
/* istanbul ignore next */
|
|
return ''
|
|
}
|
|
|
|
function concat (a, b) {
|
|
return a ? b ? (a + ' ' + b) : a : (b || '')
|
|
}
|
|
|
|
function stringifyClass (value) {
|
|
var res = '';
|
|
if (!value) {
|
|
return res
|
|
}
|
|
if (typeof value === 'string') {
|
|
return value
|
|
}
|
|
if (Array.isArray(value)) {
|
|
var stringified;
|
|
for (var i = 0, l = value.length; i < l; i++) {
|
|
if (value[i]) {
|
|
if ((stringified = stringifyClass(value[i]))) {
|
|
res += stringified + ' ';
|
|
}
|
|
}
|
|
}
|
|
return res.slice(0, -1)
|
|
}
|
|
if (isObject(value)) {
|
|
for (var key in value) {
|
|
if (value[key]) { res += key + ' '; }
|
|
}
|
|
return res.slice(0, -1)
|
|
}
|
|
/* istanbul ignore next */
|
|
return res
|
|
}
|
|
|
|
/* */
|
|
|
|
var namespaceMap = {
|
|
svg: 'http://www.w3.org/2000/svg',
|
|
math: 'http://www.w3.org/1998/Math/MathML'
|
|
};
|
|
|
|
var isHTMLTag = makeMap(
|
|
'html,body,base,head,link,meta,style,title,' +
|
|
'address,article,aside,footer,header,h1,h2,h3,h4,h5,h6,hgroup,nav,section,' +
|
|
'div,dd,dl,dt,figcaption,figure,hr,img,li,main,ol,p,pre,ul,' +
|
|
'a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,rtc,ruby,' +
|
|
's,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,video,' +
|
|
'embed,object,param,source,canvas,script,noscript,del,ins,' +
|
|
'caption,col,colgroup,table,thead,tbody,td,th,tr,' +
|
|
'button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,' +
|
|
'output,progress,select,textarea,' +
|
|
'details,dialog,menu,menuitem,summary,' +
|
|
'content,element,shadow,template'
|
|
);
|
|
|
|
// this map is intentionally selective, only covering SVG elements that may
|
|
// contain child elements.
|
|
var isSVG = makeMap(
|
|
'svg,animate,circle,clippath,cursor,defs,desc,ellipse,filter,font-face,' +
|
|
'foreignObject,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' +
|
|
'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view',
|
|
true
|
|
);
|
|
|
|
|
|
|
|
var isReservedTag = function (tag) {
|
|
return isHTMLTag(tag) || isSVG(tag)
|
|
};
|
|
|
|
function getTagNamespace (tag) {
|
|
if (isSVG(tag)) {
|
|
return 'svg'
|
|
}
|
|
// basic support for MathML
|
|
// note it doesn't support other MathML elements being component roots
|
|
if (tag === 'math') {
|
|
return 'math'
|
|
}
|
|
}
|
|
|
|
var unknownElementCache = Object.create(null);
|
|
function isUnknownElement (tag) {
|
|
/* istanbul ignore if */
|
|
if (!inBrowser) {
|
|
return true
|
|
}
|
|
if (isReservedTag(tag)) {
|
|
return false
|
|
}
|
|
tag = tag.toLowerCase();
|
|
/* istanbul ignore if */
|
|
if (unknownElementCache[tag] != null) {
|
|
return unknownElementCache[tag]
|
|
}
|
|
var el = document.createElement(tag);
|
|
if (tag.indexOf('-') > -1) {
|
|
// http://stackoverflow.com/a/28210364/1070244
|
|
return (unknownElementCache[tag] = (
|
|
el.constructor === window.HTMLUnknownElement ||
|
|
el.constructor === window.HTMLElement
|
|
))
|
|
} else {
|
|
return (unknownElementCache[tag] = /HTMLUnknownElement/.test(el.toString()))
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
/**
|
|
* Query an element selector if it's not an element already.
|
|
*/
|
|
function query (el) {
|
|
if (typeof el === 'string') {
|
|
var selected = document.querySelector(el);
|
|
if (!selected) {
|
|
process.env.NODE_ENV !== 'production' && warn(
|
|
'Cannot find element: ' + el
|
|
);
|
|
return document.createElement('div')
|
|
}
|
|
return selected
|
|
} else {
|
|
return el
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
function createElement$1 (tagName, vnode) {
|
|
var elm = document.createElement(tagName);
|
|
if (tagName !== 'select') {
|
|
return elm
|
|
}
|
|
// false or null will remove the attribute but undefined will not
|
|
if (vnode.data && vnode.data.attrs && vnode.data.attrs.multiple !== undefined) {
|
|
elm.setAttribute('multiple', 'multiple');
|
|
}
|
|
return elm
|
|
}
|
|
|
|
function createElementNS (namespace, tagName) {
|
|
return document.createElementNS(namespaceMap[namespace], tagName)
|
|
}
|
|
|
|
function createTextNode (text) {
|
|
return document.createTextNode(text)
|
|
}
|
|
|
|
function createComment (text) {
|
|
return document.createComment(text)
|
|
}
|
|
|
|
function insertBefore (parentNode, newNode, referenceNode) {
|
|
parentNode.insertBefore(newNode, referenceNode);
|
|
}
|
|
|
|
function removeChild (node, child) {
|
|
node.removeChild(child);
|
|
}
|
|
|
|
function appendChild (node, child) {
|
|
node.appendChild(child);
|
|
}
|
|
|
|
function parentNode (node) {
|
|
return node.parentNode
|
|
}
|
|
|
|
function nextSibling (node) {
|
|
return node.nextSibling
|
|
}
|
|
|
|
function tagName (node) {
|
|
return node.tagName
|
|
}
|
|
|
|
function setTextContent (node, text) {
|
|
node.textContent = text;
|
|
}
|
|
|
|
function setAttribute (node, key, val) {
|
|
node.setAttribute(key, val);
|
|
}
|
|
|
|
|
|
var nodeOps = Object.freeze({
|
|
createElement: createElement$1,
|
|
createElementNS: createElementNS,
|
|
createTextNode: createTextNode,
|
|
createComment: createComment,
|
|
insertBefore: insertBefore,
|
|
removeChild: removeChild,
|
|
appendChild: appendChild,
|
|
parentNode: parentNode,
|
|
nextSibling: nextSibling,
|
|
tagName: tagName,
|
|
setTextContent: setTextContent,
|
|
setAttribute: setAttribute
|
|
});
|
|
|
|
/* */
|
|
|
|
var ref = {
|
|
create: function create (_, vnode) {
|
|
registerRef(vnode);
|
|
},
|
|
update: function update (oldVnode, vnode) {
|
|
if (oldVnode.data.ref !== vnode.data.ref) {
|
|
registerRef(oldVnode, true);
|
|
registerRef(vnode);
|
|
}
|
|
},
|
|
destroy: function destroy (vnode) {
|
|
registerRef(vnode, true);
|
|
}
|
|
};
|
|
|
|
function registerRef (vnode, isRemoval) {
|
|
var key = vnode.data.ref;
|
|
if (!key) { return }
|
|
|
|
var vm = vnode.context;
|
|
var ref = vnode.componentInstance || vnode.elm;
|
|
var refs = vm.$refs;
|
|
if (isRemoval) {
|
|
if (Array.isArray(refs[key])) {
|
|
remove(refs[key], ref);
|
|
} else if (refs[key] === ref) {
|
|
refs[key] = undefined;
|
|
}
|
|
} else {
|
|
if (vnode.data.refInFor) {
|
|
if (Array.isArray(refs[key]) && refs[key].indexOf(ref) < 0) {
|
|
refs[key].push(ref);
|
|
} else {
|
|
refs[key] = [ref];
|
|
}
|
|
} else {
|
|
refs[key] = ref;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Virtual DOM patching algorithm based on Snabbdom by
|
|
* Simon Friis Vindum (@paldepind)
|
|
* Licensed under the MIT License
|
|
* https://github.com/paldepind/snabbdom/blob/master/LICENSE
|
|
*
|
|
* modified by Evan You (@yyx990803)
|
|
*
|
|
|
|
/*
|
|
* Not type-checking this because this file is perf-critical and the cost
|
|
* of making flow understand it is not worth it.
|
|
*/
|
|
|
|
var emptyNode = new VNode('', {}, []);
|
|
|
|
var hooks = ['create', 'activate', 'update', 'remove', 'destroy'];
|
|
|
|
function isUndef (v) {
|
|
return v === undefined || v === null
|
|
}
|
|
|
|
function isDef (v) {
|
|
return v !== undefined && v !== null
|
|
}
|
|
|
|
function isTrue (v) {
|
|
return v === true
|
|
}
|
|
|
|
function sameVnode (a, b) {
|
|
return (
|
|
a.key === b.key &&
|
|
a.tag === b.tag &&
|
|
a.isComment === b.isComment &&
|
|
isDef(a.data) === isDef(b.data) &&
|
|
sameInputType(a, b)
|
|
)
|
|
}
|
|
|
|
// Some browsers do not support dynamically changing type for <input>
|
|
// so they need to be treated as different nodes
|
|
function sameInputType (a, b) {
|
|
if (a.tag !== 'input') { return true }
|
|
var i;
|
|
var typeA = isDef(i = a.data) && isDef(i = i.attrs) && i.type;
|
|
var typeB = isDef(i = b.data) && isDef(i = i.attrs) && i.type;
|
|
return typeA === typeB
|
|
}
|
|
|
|
function createKeyToOldIdx (children, beginIdx, endIdx) {
|
|
var i, key;
|
|
var map = {};
|
|
for (i = beginIdx; i <= endIdx; ++i) {
|
|
key = children[i].key;
|
|
if (isDef(key)) { map[key] = i; }
|
|
}
|
|
return map
|
|
}
|
|
|
|
function createPatchFunction (backend) {
|
|
var i, j;
|
|
var cbs = {};
|
|
|
|
var modules = backend.modules;
|
|
var nodeOps = backend.nodeOps;
|
|
|
|
for (i = 0; i < hooks.length; ++i) {
|
|
cbs[hooks[i]] = [];
|
|
for (j = 0; j < modules.length; ++j) {
|
|
if (isDef(modules[j][hooks[i]])) {
|
|
cbs[hooks[i]].push(modules[j][hooks[i]]);
|
|
}
|
|
}
|
|
}
|
|
|
|
function emptyNodeAt (elm) {
|
|
return new VNode(nodeOps.tagName(elm).toLowerCase(), {}, [], undefined, elm)
|
|
}
|
|
|
|
function createRmCb (childElm, listeners) {
|
|
function remove$$1 () {
|
|
if (--remove$$1.listeners === 0) {
|
|
removeNode(childElm);
|
|
}
|
|
}
|
|
remove$$1.listeners = listeners;
|
|
return remove$$1
|
|
}
|
|
|
|
function removeNode (el) {
|
|
var parent = nodeOps.parentNode(el);
|
|
// element may have already been removed due to v-html / v-text
|
|
if (isDef(parent)) {
|
|
nodeOps.removeChild(parent, el);
|
|
}
|
|
}
|
|
|
|
var inPre = 0;
|
|
function createElm (vnode, insertedVnodeQueue, parentElm, refElm, nested) {
|
|
vnode.isRootInsert = !nested; // for transition enter check
|
|
if (createComponent(vnode, insertedVnodeQueue, parentElm, refElm)) {
|
|
return
|
|
}
|
|
|
|
var data = vnode.data;
|
|
var children = vnode.children;
|
|
var tag = vnode.tag;
|
|
if (isDef(tag)) {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
if (data && data.pre) {
|
|
inPre++;
|
|
}
|
|
if (
|
|
!inPre &&
|
|
!vnode.ns &&
|
|
!(config.ignoredElements.length && config.ignoredElements.indexOf(tag) > -1) &&
|
|
config.isUnknownElement(tag)
|
|
) {
|
|
warn(
|
|
'Unknown custom element: <' + tag + '> - did you ' +
|
|
'register the component correctly? For recursive components, ' +
|
|
'make sure to provide the "name" option.',
|
|
vnode.context
|
|
);
|
|
}
|
|
}
|
|
vnode.elm = vnode.ns
|
|
? nodeOps.createElementNS(vnode.ns, tag)
|
|
: nodeOps.createElement(tag, vnode);
|
|
setScope(vnode);
|
|
|
|
/* istanbul ignore if */
|
|
{
|
|
createChildren(vnode, children, insertedVnodeQueue);
|
|
if (isDef(data)) {
|
|
invokeCreateHooks(vnode, insertedVnodeQueue);
|
|
}
|
|
insert(parentElm, vnode.elm, refElm);
|
|
}
|
|
|
|
if (process.env.NODE_ENV !== 'production' && data && data.pre) {
|
|
inPre--;
|
|
}
|
|
} else if (isTrue(vnode.isComment)) {
|
|
vnode.elm = nodeOps.createComment(vnode.text);
|
|
insert(parentElm, vnode.elm, refElm);
|
|
} else {
|
|
vnode.elm = nodeOps.createTextNode(vnode.text);
|
|
insert(parentElm, vnode.elm, refElm);
|
|
}
|
|
}
|
|
|
|
function createComponent (vnode, insertedVnodeQueue, parentElm, refElm) {
|
|
var i = vnode.data;
|
|
if (isDef(i)) {
|
|
var isReactivated = isDef(vnode.componentInstance) && i.keepAlive;
|
|
if (isDef(i = i.hook) && isDef(i = i.init)) {
|
|
i(vnode, false /* hydrating */, parentElm, refElm);
|
|
}
|
|
// after calling the init hook, if the vnode is a child component
|
|
// it should've created a child instance and mounted it. the child
|
|
// component also has set the placeholder vnode's elm.
|
|
// in that case we can just return the element and be done.
|
|
if (isDef(vnode.componentInstance)) {
|
|
initComponent(vnode, insertedVnodeQueue);
|
|
if (isTrue(isReactivated)) {
|
|
reactivateComponent(vnode, insertedVnodeQueue, parentElm, refElm);
|
|
}
|
|
return true
|
|
}
|
|
}
|
|
}
|
|
|
|
function initComponent (vnode, insertedVnodeQueue) {
|
|
if (isDef(vnode.data.pendingInsert)) {
|
|
insertedVnodeQueue.push.apply(insertedVnodeQueue, vnode.data.pendingInsert);
|
|
}
|
|
vnode.elm = vnode.componentInstance.$el;
|
|
if (isPatchable(vnode)) {
|
|
invokeCreateHooks(vnode, insertedVnodeQueue);
|
|
setScope(vnode);
|
|
} else {
|
|
// empty component root.
|
|
// skip all element-related modules except for ref (#3455)
|
|
registerRef(vnode);
|
|
// make sure to invoke the insert hook
|
|
insertedVnodeQueue.push(vnode);
|
|
}
|
|
}
|
|
|
|
function reactivateComponent (vnode, insertedVnodeQueue, parentElm, refElm) {
|
|
var i;
|
|
// hack for #4339: a reactivated component with inner transition
|
|
// does not trigger because the inner node's created hooks are not called
|
|
// again. It's not ideal to involve module-specific logic in here but
|
|
// there doesn't seem to be a better way to do it.
|
|
var innerNode = vnode;
|
|
while (innerNode.componentInstance) {
|
|
innerNode = innerNode.componentInstance._vnode;
|
|
if (isDef(i = innerNode.data) && isDef(i = i.transition)) {
|
|
for (i = 0; i < cbs.activate.length; ++i) {
|
|
cbs.activate[i](emptyNode, innerNode);
|
|
}
|
|
insertedVnodeQueue.push(innerNode);
|
|
break
|
|
}
|
|
}
|
|
// unlike a newly created component,
|
|
// a reactivated keep-alive component doesn't insert itself
|
|
insert(parentElm, vnode.elm, refElm);
|
|
}
|
|
|
|
function insert (parent, elm, ref) {
|
|
if (isDef(parent)) {
|
|
if (isDef(ref)) {
|
|
nodeOps.insertBefore(parent, elm, ref);
|
|
} else {
|
|
nodeOps.appendChild(parent, elm);
|
|
}
|
|
}
|
|
}
|
|
|
|
function createChildren (vnode, children, insertedVnodeQueue) {
|
|
if (Array.isArray(children)) {
|
|
for (var i = 0; i < children.length; ++i) {
|
|
createElm(children[i], insertedVnodeQueue, vnode.elm, null, true);
|
|
}
|
|
} else if (isPrimitive(vnode.text)) {
|
|
nodeOps.appendChild(vnode.elm, nodeOps.createTextNode(vnode.text));
|
|
}
|
|
}
|
|
|
|
function isPatchable (vnode) {
|
|
while (vnode.componentInstance) {
|
|
vnode = vnode.componentInstance._vnode;
|
|
}
|
|
return isDef(vnode.tag)
|
|
}
|
|
|
|
function invokeCreateHooks (vnode, insertedVnodeQueue) {
|
|
for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {
|
|
cbs.create[i$1](emptyNode, vnode);
|
|
}
|
|
i = vnode.data.hook; // Reuse variable
|
|
if (isDef(i)) {
|
|
if (isDef(i.create)) { i.create(emptyNode, vnode); }
|
|
if (isDef(i.insert)) { insertedVnodeQueue.push(vnode); }
|
|
}
|
|
}
|
|
|
|
// set scope id attribute for scoped CSS.
|
|
// this is implemented as a special case to avoid the overhead
|
|
// of going through the normal attribute patching process.
|
|
function setScope (vnode) {
|
|
var i;
|
|
var ancestor = vnode;
|
|
while (ancestor) {
|
|
if (isDef(i = ancestor.context) && isDef(i = i.$options._scopeId)) {
|
|
nodeOps.setAttribute(vnode.elm, i, '');
|
|
}
|
|
ancestor = ancestor.parent;
|
|
}
|
|
// for slot content they should also get the scopeId from the host instance.
|
|
if (isDef(i = activeInstance) &&
|
|
i !== vnode.context &&
|
|
isDef(i = i.$options._scopeId)) {
|
|
nodeOps.setAttribute(vnode.elm, i, '');
|
|
}
|
|
}
|
|
|
|
function addVnodes (parentElm, refElm, vnodes, startIdx, endIdx, insertedVnodeQueue) {
|
|
for (; startIdx <= endIdx; ++startIdx) {
|
|
createElm(vnodes[startIdx], insertedVnodeQueue, parentElm, refElm);
|
|
}
|
|
}
|
|
|
|
function invokeDestroyHook (vnode) {
|
|
var i, j;
|
|
var data = vnode.data;
|
|
if (isDef(data)) {
|
|
if (isDef(i = data.hook) && isDef(i = i.destroy)) { i(vnode); }
|
|
for (i = 0; i < cbs.destroy.length; ++i) { cbs.destroy[i](vnode); }
|
|
}
|
|
if (isDef(i = vnode.children)) {
|
|
for (j = 0; j < vnode.children.length; ++j) {
|
|
invokeDestroyHook(vnode.children[j]);
|
|
}
|
|
}
|
|
}
|
|
|
|
function removeVnodes (parentElm, vnodes, startIdx, endIdx) {
|
|
for (; startIdx <= endIdx; ++startIdx) {
|
|
var ch = vnodes[startIdx];
|
|
if (isDef(ch)) {
|
|
if (isDef(ch.tag)) {
|
|
removeAndInvokeRemoveHook(ch);
|
|
invokeDestroyHook(ch);
|
|
} else { // Text node
|
|
removeNode(ch.elm);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function removeAndInvokeRemoveHook (vnode, rm) {
|
|
if (isDef(rm) || isDef(vnode.data)) {
|
|
var listeners = cbs.remove.length + 1;
|
|
if (isDef(rm)) {
|
|
// we have a recursively passed down rm callback
|
|
// increase the listeners count
|
|
rm.listeners += listeners;
|
|
} else {
|
|
// directly removing
|
|
rm = createRmCb(vnode.elm, listeners);
|
|
}
|
|
// recursively invoke hooks on child component root node
|
|
if (isDef(i = vnode.componentInstance) && isDef(i = i._vnode) && isDef(i.data)) {
|
|
removeAndInvokeRemoveHook(i, rm);
|
|
}
|
|
for (i = 0; i < cbs.remove.length; ++i) {
|
|
cbs.remove[i](vnode, rm);
|
|
}
|
|
if (isDef(i = vnode.data.hook) && isDef(i = i.remove)) {
|
|
i(vnode, rm);
|
|
} else {
|
|
rm();
|
|
}
|
|
} else {
|
|
removeNode(vnode.elm);
|
|
}
|
|
}
|
|
|
|
function updateChildren (parentElm, oldCh, newCh, insertedVnodeQueue, removeOnly) {
|
|
var oldStartIdx = 0;
|
|
var newStartIdx = 0;
|
|
var oldEndIdx = oldCh.length - 1;
|
|
var oldStartVnode = oldCh[0];
|
|
var oldEndVnode = oldCh[oldEndIdx];
|
|
var newEndIdx = newCh.length - 1;
|
|
var newStartVnode = newCh[0];
|
|
var newEndVnode = newCh[newEndIdx];
|
|
var oldKeyToIdx, idxInOld, elmToMove, refElm;
|
|
|
|
// removeOnly is a special flag used only by <transition-group>
|
|
// to ensure removed elements stay in correct relative positions
|
|
// during leaving transitions
|
|
var canMove = !removeOnly;
|
|
|
|
while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) {
|
|
if (isUndef(oldStartVnode)) {
|
|
oldStartVnode = oldCh[++oldStartIdx]; // Vnode has been moved left
|
|
} else if (isUndef(oldEndVnode)) {
|
|
oldEndVnode = oldCh[--oldEndIdx];
|
|
} else if (sameVnode(oldStartVnode, newStartVnode)) {
|
|
patchVnode(oldStartVnode, newStartVnode, insertedVnodeQueue);
|
|
oldStartVnode = oldCh[++oldStartIdx];
|
|
newStartVnode = newCh[++newStartIdx];
|
|
} else if (sameVnode(oldEndVnode, newEndVnode)) {
|
|
patchVnode(oldEndVnode, newEndVnode, insertedVnodeQueue);
|
|
oldEndVnode = oldCh[--oldEndIdx];
|
|
newEndVnode = newCh[--newEndIdx];
|
|
} else if (sameVnode(oldStartVnode, newEndVnode)) { // Vnode moved right
|
|
patchVnode(oldStartVnode, newEndVnode, insertedVnodeQueue);
|
|
canMove && nodeOps.insertBefore(parentElm, oldStartVnode.elm, nodeOps.nextSibling(oldEndVnode.elm));
|
|
oldStartVnode = oldCh[++oldStartIdx];
|
|
newEndVnode = newCh[--newEndIdx];
|
|
} else if (sameVnode(oldEndVnode, newStartVnode)) { // Vnode moved left
|
|
patchVnode(oldEndVnode, newStartVnode, insertedVnodeQueue);
|
|
canMove && nodeOps.insertBefore(parentElm, oldEndVnode.elm, oldStartVnode.elm);
|
|
oldEndVnode = oldCh[--oldEndIdx];
|
|
newStartVnode = newCh[++newStartIdx];
|
|
} else {
|
|
if (isUndef(oldKeyToIdx)) { oldKeyToIdx = createKeyToOldIdx(oldCh, oldStartIdx, oldEndIdx); }
|
|
idxInOld = isDef(newStartVnode.key) ? oldKeyToIdx[newStartVnode.key] : null;
|
|
if (isUndef(idxInOld)) { // New element
|
|
createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm);
|
|
newStartVnode = newCh[++newStartIdx];
|
|
} else {
|
|
elmToMove = oldCh[idxInOld];
|
|
/* istanbul ignore if */
|
|
if (process.env.NODE_ENV !== 'production' && !elmToMove) {
|
|
warn(
|
|
'It seems there are duplicate keys that is causing an update error. ' +
|
|
'Make sure each v-for item has a unique key.'
|
|
);
|
|
}
|
|
if (sameVnode(elmToMove, newStartVnode)) {
|
|
patchVnode(elmToMove, newStartVnode, insertedVnodeQueue);
|
|
oldCh[idxInOld] = undefined;
|
|
canMove && nodeOps.insertBefore(parentElm, newStartVnode.elm, oldStartVnode.elm);
|
|
newStartVnode = newCh[++newStartIdx];
|
|
} else {
|
|
// same key but different element. treat as new element
|
|
createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm);
|
|
newStartVnode = newCh[++newStartIdx];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (oldStartIdx > oldEndIdx) {
|
|
refElm = isUndef(newCh[newEndIdx + 1]) ? null : newCh[newEndIdx + 1].elm;
|
|
addVnodes(parentElm, refElm, newCh, newStartIdx, newEndIdx, insertedVnodeQueue);
|
|
} else if (newStartIdx > newEndIdx) {
|
|
removeVnodes(parentElm, oldCh, oldStartIdx, oldEndIdx);
|
|
}
|
|
}
|
|
|
|
function patchVnode (oldVnode, vnode, insertedVnodeQueue, removeOnly) {
|
|
if (oldVnode === vnode) {
|
|
return
|
|
}
|
|
// reuse element for static trees.
|
|
// note we only do this if the vnode is cloned -
|
|
// if the new node is not cloned it means the render functions have been
|
|
// reset by the hot-reload-api and we need to do a proper re-render.
|
|
if (isTrue(vnode.isStatic) &&
|
|
isTrue(oldVnode.isStatic) &&
|
|
vnode.key === oldVnode.key &&
|
|
(isTrue(vnode.isCloned) || isTrue(vnode.isOnce))) {
|
|
vnode.elm = oldVnode.elm;
|
|
vnode.componentInstance = oldVnode.componentInstance;
|
|
return
|
|
}
|
|
var i;
|
|
var data = vnode.data;
|
|
if (isDef(data) && isDef(i = data.hook) && isDef(i = i.prepatch)) {
|
|
i(oldVnode, vnode);
|
|
}
|
|
var elm = vnode.elm = oldVnode.elm;
|
|
var oldCh = oldVnode.children;
|
|
var ch = vnode.children;
|
|
if (isDef(data) && isPatchable(vnode)) {
|
|
for (i = 0; i < cbs.update.length; ++i) { cbs.update[i](oldVnode, vnode); }
|
|
if (isDef(i = data.hook) && isDef(i = i.update)) { i(oldVnode, vnode); }
|
|
}
|
|
if (isUndef(vnode.text)) {
|
|
if (isDef(oldCh) && isDef(ch)) {
|
|
if (oldCh !== ch) { updateChildren(elm, oldCh, ch, insertedVnodeQueue, removeOnly); }
|
|
} else if (isDef(ch)) {
|
|
if (isDef(oldVnode.text)) { nodeOps.setTextContent(elm, ''); }
|
|
addVnodes(elm, null, ch, 0, ch.length - 1, insertedVnodeQueue);
|
|
} else if (isDef(oldCh)) {
|
|
removeVnodes(elm, oldCh, 0, oldCh.length - 1);
|
|
} else if (isDef(oldVnode.text)) {
|
|
nodeOps.setTextContent(elm, '');
|
|
}
|
|
} else if (oldVnode.text !== vnode.text) {
|
|
nodeOps.setTextContent(elm, vnode.text);
|
|
}
|
|
if (isDef(data)) {
|
|
if (isDef(i = data.hook) && isDef(i = i.postpatch)) { i(oldVnode, vnode); }
|
|
}
|
|
}
|
|
|
|
function invokeInsertHook (vnode, queue, initial) {
|
|
// delay insert hooks for component root nodes, invoke them after the
|
|
// element is really inserted
|
|
if (isTrue(initial) && isDef(vnode.parent)) {
|
|
vnode.parent.data.pendingInsert = queue;
|
|
} else {
|
|
for (var i = 0; i < queue.length; ++i) {
|
|
queue[i].data.hook.insert(queue[i]);
|
|
}
|
|
}
|
|
}
|
|
|
|
var bailed = false;
|
|
// list of modules that can skip create hook during hydration because they
|
|
// are already rendered on the client or has no need for initialization
|
|
var isRenderedModule = makeMap('attrs,style,class,staticClass,staticStyle,key');
|
|
|
|
// Note: this is a browser-only function so we can assume elms are DOM nodes.
|
|
function hydrate (elm, vnode, insertedVnodeQueue) {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
if (!assertNodeMatch(elm, vnode)) {
|
|
return false
|
|
}
|
|
}
|
|
vnode.elm = elm;
|
|
var tag = vnode.tag;
|
|
var data = vnode.data;
|
|
var children = vnode.children;
|
|
if (isDef(data)) {
|
|
if (isDef(i = data.hook) && isDef(i = i.init)) { i(vnode, true /* hydrating */); }
|
|
if (isDef(i = vnode.componentInstance)) {
|
|
// child component. it should have hydrated its own tree.
|
|
initComponent(vnode, insertedVnodeQueue);
|
|
return true
|
|
}
|
|
}
|
|
if (isDef(tag)) {
|
|
if (isDef(children)) {
|
|
// empty element, allow client to pick up and populate children
|
|
if (!elm.hasChildNodes()) {
|
|
createChildren(vnode, children, insertedVnodeQueue);
|
|
} else {
|
|
var childrenMatch = true;
|
|
var childNode = elm.firstChild;
|
|
for (var i$1 = 0; i$1 < children.length; i$1++) {
|
|
if (!childNode || !hydrate(childNode, children[i$1], insertedVnodeQueue)) {
|
|
childrenMatch = false;
|
|
break
|
|
}
|
|
childNode = childNode.nextSibling;
|
|
}
|
|
// if childNode is not null, it means the actual childNodes list is
|
|
// longer than the virtual children list.
|
|
if (!childrenMatch || childNode) {
|
|
if (process.env.NODE_ENV !== 'production' &&
|
|
typeof console !== 'undefined' &&
|
|
!bailed) {
|
|
bailed = true;
|
|
console.warn('Parent: ', elm);
|
|
console.warn('Mismatching childNodes vs. VNodes: ', elm.childNodes, children);
|
|
}
|
|
return false
|
|
}
|
|
}
|
|
}
|
|
if (isDef(data)) {
|
|
for (var key in data) {
|
|
if (!isRenderedModule(key)) {
|
|
invokeCreateHooks(vnode, insertedVnodeQueue);
|
|
break
|
|
}
|
|
}
|
|
}
|
|
} else if (elm.data !== vnode.text) {
|
|
elm.data = vnode.text;
|
|
}
|
|
return true
|
|
}
|
|
|
|
function assertNodeMatch (node, vnode) {
|
|
if (isDef(vnode.tag)) {
|
|
return (
|
|
vnode.tag.indexOf('vue-component') === 0 ||
|
|
vnode.tag.toLowerCase() === (node.tagName && node.tagName.toLowerCase())
|
|
)
|
|
} else {
|
|
return node.nodeType === (vnode.isComment ? 8 : 3)
|
|
}
|
|
}
|
|
|
|
return function patch (oldVnode, vnode, hydrating, removeOnly, parentElm, refElm) {
|
|
if (isUndef(vnode)) {
|
|
if (isDef(oldVnode)) { invokeDestroyHook(oldVnode); }
|
|
return
|
|
}
|
|
|
|
var isInitialPatch = false;
|
|
var insertedVnodeQueue = [];
|
|
|
|
if (isUndef(oldVnode)) {
|
|
// empty mount (likely as component), create new root element
|
|
isInitialPatch = true;
|
|
createElm(vnode, insertedVnodeQueue, parentElm, refElm);
|
|
} else {
|
|
var isRealElement = isDef(oldVnode.nodeType);
|
|
if (!isRealElement && sameVnode(oldVnode, vnode)) {
|
|
// patch existing root node
|
|
patchVnode(oldVnode, vnode, insertedVnodeQueue, removeOnly);
|
|
} else {
|
|
if (isRealElement) {
|
|
// mounting to a real element
|
|
// check if this is server-rendered content and if we can perform
|
|
// a successful hydration.
|
|
if (oldVnode.nodeType === 1 && oldVnode.hasAttribute('server-rendered')) {
|
|
oldVnode.removeAttribute('server-rendered');
|
|
hydrating = true;
|
|
}
|
|
if (isTrue(hydrating)) {
|
|
if (hydrate(oldVnode, vnode, insertedVnodeQueue)) {
|
|
invokeInsertHook(vnode, insertedVnodeQueue, true);
|
|
return oldVnode
|
|
} else if (process.env.NODE_ENV !== 'production') {
|
|
warn(
|
|
'The client-side rendered virtual DOM tree is not matching ' +
|
|
'server-rendered content. This is likely caused by incorrect ' +
|
|
'HTML markup, for example nesting block-level elements inside ' +
|
|
'<p>, or missing <tbody>. Bailing hydration and performing ' +
|
|
'full client-side render.'
|
|
);
|
|
}
|
|
}
|
|
// either not server-rendered, or hydration failed.
|
|
// create an empty node and replace it
|
|
oldVnode = emptyNodeAt(oldVnode);
|
|
}
|
|
// replacing existing element
|
|
var oldElm = oldVnode.elm;
|
|
var parentElm$1 = nodeOps.parentNode(oldElm);
|
|
createElm(
|
|
vnode,
|
|
insertedVnodeQueue,
|
|
// extremely rare edge case: do not insert if old element is in a
|
|
// leaving transition. Only happens when combining transition +
|
|
// keep-alive + HOCs. (#4590)
|
|
oldElm._leaveCb ? null : parentElm$1,
|
|
nodeOps.nextSibling(oldElm)
|
|
);
|
|
|
|
if (isDef(vnode.parent)) {
|
|
// component root element replaced.
|
|
// update parent placeholder node element, recursively
|
|
var ancestor = vnode.parent;
|
|
while (ancestor) {
|
|
ancestor.elm = vnode.elm;
|
|
ancestor = ancestor.parent;
|
|
}
|
|
if (isPatchable(vnode)) {
|
|
for (var i = 0; i < cbs.create.length; ++i) {
|
|
cbs.create[i](emptyNode, vnode.parent);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isDef(parentElm$1)) {
|
|
removeVnodes(parentElm$1, [oldVnode], 0, 0);
|
|
} else if (isDef(oldVnode.tag)) {
|
|
invokeDestroyHook(oldVnode);
|
|
}
|
|
}
|
|
}
|
|
|
|
invokeInsertHook(vnode, insertedVnodeQueue, isInitialPatch);
|
|
return vnode.elm
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
var directives = {
|
|
create: updateDirectives,
|
|
update: updateDirectives,
|
|
destroy: function unbindDirectives (vnode) {
|
|
updateDirectives(vnode, emptyNode);
|
|
}
|
|
};
|
|
|
|
function updateDirectives (oldVnode, vnode) {
|
|
if (oldVnode.data.directives || vnode.data.directives) {
|
|
_update(oldVnode, vnode);
|
|
}
|
|
}
|
|
|
|
function _update (oldVnode, vnode) {
|
|
var isCreate = oldVnode === emptyNode;
|
|
var isDestroy = vnode === emptyNode;
|
|
var oldDirs = normalizeDirectives$1(oldVnode.data.directives, oldVnode.context);
|
|
var newDirs = normalizeDirectives$1(vnode.data.directives, vnode.context);
|
|
|
|
var dirsWithInsert = [];
|
|
var dirsWithPostpatch = [];
|
|
|
|
var key, oldDir, dir;
|
|
for (key in newDirs) {
|
|
oldDir = oldDirs[key];
|
|
dir = newDirs[key];
|
|
if (!oldDir) {
|
|
// new directive, bind
|
|
callHook$1(dir, 'bind', vnode, oldVnode);
|
|
if (dir.def && dir.def.inserted) {
|
|
dirsWithInsert.push(dir);
|
|
}
|
|
} else {
|
|
// existing directive, update
|
|
dir.oldValue = oldDir.value;
|
|
callHook$1(dir, 'update', vnode, oldVnode);
|
|
if (dir.def && dir.def.componentUpdated) {
|
|
dirsWithPostpatch.push(dir);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (dirsWithInsert.length) {
|
|
var callInsert = function () {
|
|
for (var i = 0; i < dirsWithInsert.length; i++) {
|
|
callHook$1(dirsWithInsert[i], 'inserted', vnode, oldVnode);
|
|
}
|
|
};
|
|
if (isCreate) {
|
|
mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), 'insert', callInsert);
|
|
} else {
|
|
callInsert();
|
|
}
|
|
}
|
|
|
|
if (dirsWithPostpatch.length) {
|
|
mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), 'postpatch', function () {
|
|
for (var i = 0; i < dirsWithPostpatch.length; i++) {
|
|
callHook$1(dirsWithPostpatch[i], 'componentUpdated', vnode, oldVnode);
|
|
}
|
|
});
|
|
}
|
|
|
|
if (!isCreate) {
|
|
for (key in oldDirs) {
|
|
if (!newDirs[key]) {
|
|
// no longer present, unbind
|
|
callHook$1(oldDirs[key], 'unbind', oldVnode, oldVnode, isDestroy);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
var emptyModifiers = Object.create(null);
|
|
|
|
function normalizeDirectives$1 (
|
|
dirs,
|
|
vm
|
|
) {
|
|
var res = Object.create(null);
|
|
if (!dirs) {
|
|
return res
|
|
}
|
|
var i, dir;
|
|
for (i = 0; i < dirs.length; i++) {
|
|
dir = dirs[i];
|
|
if (!dir.modifiers) {
|
|
dir.modifiers = emptyModifiers;
|
|
}
|
|
res[getRawDirName(dir)] = dir;
|
|
dir.def = resolveAsset(vm.$options, 'directives', dir.name, true);
|
|
}
|
|
return res
|
|
}
|
|
|
|
function getRawDirName (dir) {
|
|
return dir.rawName || ((dir.name) + "." + (Object.keys(dir.modifiers || {}).join('.')))
|
|
}
|
|
|
|
function callHook$1 (dir, hook, vnode, oldVnode, isDestroy) {
|
|
var fn = dir.def && dir.def[hook];
|
|
if (fn) {
|
|
fn(vnode.elm, dir, vnode, oldVnode, isDestroy);
|
|
}
|
|
}
|
|
|
|
var baseModules = [
|
|
ref,
|
|
directives
|
|
];
|
|
|
|
/* */
|
|
|
|
function updateAttrs (oldVnode, vnode) {
|
|
if (!oldVnode.data.attrs && !vnode.data.attrs) {
|
|
return
|
|
}
|
|
var key, cur, old;
|
|
var elm = vnode.elm;
|
|
var oldAttrs = oldVnode.data.attrs || {};
|
|
var attrs = vnode.data.attrs || {};
|
|
// clone observed objects, as the user probably wants to mutate it
|
|
if (attrs.__ob__) {
|
|
attrs = vnode.data.attrs = extend({}, attrs);
|
|
}
|
|
|
|
for (key in attrs) {
|
|
cur = attrs[key];
|
|
old = oldAttrs[key];
|
|
if (old !== cur) {
|
|
setAttr(elm, key, cur);
|
|
}
|
|
}
|
|
// #4391: in IE9, setting type can reset value for input[type=radio]
|
|
/* istanbul ignore if */
|
|
if (isIE9 && attrs.value !== oldAttrs.value) {
|
|
setAttr(elm, 'value', attrs.value);
|
|
}
|
|
for (key in oldAttrs) {
|
|
if (attrs[key] == null) {
|
|
if (isXlink(key)) {
|
|
elm.removeAttributeNS(xlinkNS, getXlinkProp(key));
|
|
} else if (!isEnumeratedAttr(key)) {
|
|
elm.removeAttribute(key);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function setAttr (el, key, value) {
|
|
if (isBooleanAttr(key)) {
|
|
// set attribute for blank value
|
|
// e.g. <option disabled>Select one</option>
|
|
if (isFalsyAttrValue(value)) {
|
|
el.removeAttribute(key);
|
|
} else {
|
|
el.setAttribute(key, key);
|
|
}
|
|
} else if (isEnumeratedAttr(key)) {
|
|
el.setAttribute(key, isFalsyAttrValue(value) || value === 'false' ? 'false' : 'true');
|
|
} else if (isXlink(key)) {
|
|
if (isFalsyAttrValue(value)) {
|
|
el.removeAttributeNS(xlinkNS, getXlinkProp(key));
|
|
} else {
|
|
el.setAttributeNS(xlinkNS, key, value);
|
|
}
|
|
} else {
|
|
if (isFalsyAttrValue(value)) {
|
|
el.removeAttribute(key);
|
|
} else {
|
|
el.setAttribute(key, value);
|
|
}
|
|
}
|
|
}
|
|
|
|
var attrs = {
|
|
create: updateAttrs,
|
|
update: updateAttrs
|
|
};
|
|
|
|
/* */
|
|
|
|
function updateClass (oldVnode, vnode) {
|
|
var el = vnode.elm;
|
|
var data = vnode.data;
|
|
var oldData = oldVnode.data;
|
|
if (!data.staticClass && !data.class &&
|
|
(!oldData || (!oldData.staticClass && !oldData.class))) {
|
|
return
|
|
}
|
|
|
|
var cls = genClassForVnode(vnode);
|
|
|
|
// handle transition classes
|
|
var transitionClass = el._transitionClasses;
|
|
if (transitionClass) {
|
|
cls = concat(cls, stringifyClass(transitionClass));
|
|
}
|
|
|
|
// set the class
|
|
if (cls !== el._prevClass) {
|
|
el.setAttribute('class', cls);
|
|
el._prevClass = cls;
|
|
}
|
|
}
|
|
|
|
var klass = {
|
|
create: updateClass,
|
|
update: updateClass
|
|
};
|
|
|
|
/* */
|
|
|
|
var validDivisionCharRE = /[\w).+\-_$\]]/;
|
|
|
|
|
|
|
|
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)
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
/* */
|
|
|
|
/**
|
|
* Cross-platform code generation for component v-model
|
|
*/
|
|
|
|
|
|
/**
|
|
* Cross-platform codegen helper for generating v-model value assignment code.
|
|
*/
|
|
|
|
|
|
/**
|
|
* parse directive model to do the array update transform. a[idx] = val => $$a.splice($$idx, 1, val)
|
|
*
|
|
* for loop possible cases:
|
|
*
|
|
* - test
|
|
* - test[idx]
|
|
* - test[test1[idx]]
|
|
* - test["a"][idx]
|
|
* - xxx.test[a[a].test1[idx]]
|
|
* - test.xxx.a["asa"][test1[idx]]
|
|
*
|
|
*/
|
|
|
|
var str;
|
|
var index$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';
|
|
|
|
/* */
|
|
|
|
// normalize v-model event tokens that can only be determined at runtime.
|
|
// it's important to place the event as the first in the array because
|
|
// the whole point is ensuring the v-model callback gets called before
|
|
// user-attached handlers.
|
|
function normalizeEvents (on) {
|
|
var event;
|
|
/* istanbul ignore if */
|
|
if (on[RANGE_TOKEN]) {
|
|
// IE input[type=range] only supports `change` event
|
|
event = isIE ? 'change' : 'input';
|
|
on[event] = [].concat(on[RANGE_TOKEN], on[event] || []);
|
|
delete on[RANGE_TOKEN];
|
|
}
|
|
if (on[CHECKBOX_RADIO_TOKEN]) {
|
|
// Chrome fires microtasks in between click/change, leads to #4521
|
|
event = isChrome ? 'click' : 'change';
|
|
on[event] = [].concat(on[CHECKBOX_RADIO_TOKEN], on[event] || []);
|
|
delete on[CHECKBOX_RADIO_TOKEN];
|
|
}
|
|
}
|
|
|
|
var target$1;
|
|
|
|
function add$1 (
|
|
event,
|
|
handler,
|
|
once,
|
|
capture
|
|
) {
|
|
if (once) {
|
|
var oldHandler = handler;
|
|
var _target = target$1; // save current target element in closure
|
|
handler = function (ev) {
|
|
var res = arguments.length === 1
|
|
? oldHandler(ev)
|
|
: oldHandler.apply(null, arguments);
|
|
if (res !== null) {
|
|
remove$2(event, handler, capture, _target);
|
|
}
|
|
};
|
|
}
|
|
target$1.addEventListener(event, handler, capture);
|
|
}
|
|
|
|
function remove$2 (
|
|
event,
|
|
handler,
|
|
capture,
|
|
_target
|
|
) {
|
|
(_target || target$1).removeEventListener(event, handler, capture);
|
|
}
|
|
|
|
function updateDOMListeners (oldVnode, vnode) {
|
|
if (!oldVnode.data.on && !vnode.data.on) {
|
|
return
|
|
}
|
|
var on = vnode.data.on || {};
|
|
var oldOn = oldVnode.data.on || {};
|
|
target$1 = vnode.elm;
|
|
normalizeEvents(on);
|
|
updateListeners(on, oldOn, add$1, remove$2, vnode.context);
|
|
}
|
|
|
|
var events = {
|
|
create: updateDOMListeners,
|
|
update: updateDOMListeners
|
|
};
|
|
|
|
/* */
|
|
|
|
function updateDOMProps (oldVnode, vnode) {
|
|
if (!oldVnode.data.domProps && !vnode.data.domProps) {
|
|
return
|
|
}
|
|
var key, cur;
|
|
var elm = vnode.elm;
|
|
var oldProps = oldVnode.data.domProps || {};
|
|
var props = vnode.data.domProps || {};
|
|
// clone observed objects, as the user probably wants to mutate it
|
|
if (props.__ob__) {
|
|
props = vnode.data.domProps = extend({}, props);
|
|
}
|
|
|
|
for (key in oldProps) {
|
|
if (props[key] == null) {
|
|
elm[key] = '';
|
|
}
|
|
}
|
|
for (key in props) {
|
|
cur = props[key];
|
|
// ignore children if the node has textContent or innerHTML,
|
|
// as these will throw away existing DOM nodes and cause removal errors
|
|
// on subsequent patches (#3360)
|
|
if (key === 'textContent' || key === 'innerHTML') {
|
|
if (vnode.children) { vnode.children.length = 0; }
|
|
if (cur === oldProps[key]) { continue }
|
|
}
|
|
|
|
if (key === 'value') {
|
|
// store value as _value as well since
|
|
// non-string values will be stringified
|
|
elm._value = cur;
|
|
// avoid resetting cursor position when value is the same
|
|
var strCur = cur == null ? '' : String(cur);
|
|
if (shouldUpdateValue(elm, vnode, strCur)) {
|
|
elm.value = strCur;
|
|
}
|
|
} else {
|
|
elm[key] = cur;
|
|
}
|
|
}
|
|
}
|
|
|
|
// check platforms/web/util/attrs.js acceptValue
|
|
|
|
|
|
function shouldUpdateValue (
|
|
elm,
|
|
vnode,
|
|
checkVal
|
|
) {
|
|
return (!elm.composing && (
|
|
vnode.tag === 'option' ||
|
|
isDirty(elm, checkVal) ||
|
|
isInputChanged(elm, checkVal)
|
|
))
|
|
}
|
|
|
|
function isDirty (elm, checkVal) {
|
|
// return true when textbox (.number and .trim) loses focus and its value is not equal to the updated value
|
|
return document.activeElement !== elm && elm.value !== checkVal
|
|
}
|
|
|
|
function isInputChanged (elm, newVal) {
|
|
var value = elm.value;
|
|
var modifiers = elm._vModifiers; // injected by v-model runtime
|
|
if ((modifiers && modifiers.number) || elm.type === 'number') {
|
|
return toNumber(value) !== toNumber(newVal)
|
|
}
|
|
if (modifiers && modifiers.trim) {
|
|
return value.trim() !== newVal.trim()
|
|
}
|
|
return value !== newVal
|
|
}
|
|
|
|
var domProps = {
|
|
create: updateDOMProps,
|
|
update: updateDOMProps
|
|
};
|
|
|
|
/* */
|
|
|
|
var parseStyleText = cached(function (cssText) {
|
|
var res = {};
|
|
var listDelimiter = /;(?![^(]*\))/g;
|
|
var propertyDelimiter = /:(.+)/;
|
|
cssText.split(listDelimiter).forEach(function (item) {
|
|
if (item) {
|
|
var tmp = item.split(propertyDelimiter);
|
|
tmp.length > 1 && (res[tmp[0].trim()] = tmp[1].trim());
|
|
}
|
|
});
|
|
return res
|
|
});
|
|
|
|
// merge static and dynamic style data on the same vnode
|
|
function normalizeStyleData (data) {
|
|
var style = normalizeStyleBinding(data.style);
|
|
// static style is pre-processed into an object during compilation
|
|
// and is always a fresh object, so it's safe to merge into it
|
|
return data.staticStyle
|
|
? extend(data.staticStyle, style)
|
|
: style
|
|
}
|
|
|
|
// normalize possible array / string values into Object
|
|
function normalizeStyleBinding (bindingStyle) {
|
|
if (Array.isArray(bindingStyle)) {
|
|
return toObject(bindingStyle)
|
|
}
|
|
if (typeof bindingStyle === 'string') {
|
|
return parseStyleText(bindingStyle)
|
|
}
|
|
return bindingStyle
|
|
}
|
|
|
|
/**
|
|
* parent component style should be after child's
|
|
* so that parent component's style could override it
|
|
*/
|
|
function getStyle (vnode, checkChild) {
|
|
var res = {};
|
|
var styleData;
|
|
|
|
if (checkChild) {
|
|
var childNode = vnode;
|
|
while (childNode.componentInstance) {
|
|
childNode = childNode.componentInstance._vnode;
|
|
if (childNode.data && (styleData = normalizeStyleData(childNode.data))) {
|
|
extend(res, styleData);
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((styleData = normalizeStyleData(vnode.data))) {
|
|
extend(res, styleData);
|
|
}
|
|
|
|
var parentNode = vnode;
|
|
while ((parentNode = parentNode.parent)) {
|
|
if (parentNode.data && (styleData = normalizeStyleData(parentNode.data))) {
|
|
extend(res, styleData);
|
|
}
|
|
}
|
|
return res
|
|
}
|
|
|
|
/* */
|
|
|
|
var cssVarRE = /^--/;
|
|
var importantRE = /\s*!important$/;
|
|
var setProp = function (el, name, val) {
|
|
/* istanbul ignore if */
|
|
if (cssVarRE.test(name)) {
|
|
el.style.setProperty(name, val);
|
|
} else if (importantRE.test(val)) {
|
|
el.style.setProperty(name, val.replace(importantRE, ''), 'important');
|
|
} else {
|
|
el.style[normalize(name)] = val;
|
|
}
|
|
};
|
|
|
|
var prefixes = ['Webkit', 'Moz', 'ms'];
|
|
|
|
var testEl;
|
|
var normalize = cached(function (prop) {
|
|
testEl = testEl || document.createElement('div');
|
|
prop = camelize(prop);
|
|
if (prop !== 'filter' && (prop in testEl.style)) {
|
|
return prop
|
|
}
|
|
var upper = prop.charAt(0).toUpperCase() + prop.slice(1);
|
|
for (var i = 0; i < prefixes.length; i++) {
|
|
var prefixed = prefixes[i] + upper;
|
|
if (prefixed in testEl.style) {
|
|
return prefixed
|
|
}
|
|
}
|
|
});
|
|
|
|
function updateStyle (oldVnode, vnode) {
|
|
var data = vnode.data;
|
|
var oldData = oldVnode.data;
|
|
|
|
if (!data.staticStyle && !data.style &&
|
|
!oldData.staticStyle && !oldData.style) {
|
|
return
|
|
}
|
|
|
|
var cur, name;
|
|
var el = vnode.elm;
|
|
var oldStaticStyle = oldVnode.data.staticStyle;
|
|
var oldStyleBinding = oldVnode.data.style || {};
|
|
|
|
// if static style exists, stylebinding already merged into it when doing normalizeStyleData
|
|
var oldStyle = oldStaticStyle || oldStyleBinding;
|
|
|
|
var style = normalizeStyleBinding(vnode.data.style) || {};
|
|
|
|
vnode.data.style = style.__ob__ ? extend({}, style) : style;
|
|
|
|
var newStyle = getStyle(vnode, true);
|
|
|
|
for (name in oldStyle) {
|
|
if (newStyle[name] == null) {
|
|
setProp(el, name, '');
|
|
}
|
|
}
|
|
for (name in newStyle) {
|
|
cur = newStyle[name];
|
|
if (cur !== oldStyle[name]) {
|
|
// ie9 setting to null has no effect, must use empty string
|
|
setProp(el, name, cur == null ? '' : cur);
|
|
}
|
|
}
|
|
}
|
|
|
|
var style = {
|
|
create: updateStyle,
|
|
update: updateStyle
|
|
};
|
|
|
|
/* */
|
|
|
|
/**
|
|
* Add class with compatibility for SVG since classList is not supported on
|
|
* SVG elements in IE
|
|
*/
|
|
function addClass (el, cls) {
|
|
/* istanbul ignore if */
|
|
if (!cls || !(cls = cls.trim())) {
|
|
return
|
|
}
|
|
|
|
/* istanbul ignore else */
|
|
if (el.classList) {
|
|
if (cls.indexOf(' ') > -1) {
|
|
cls.split(/\s+/).forEach(function (c) { return el.classList.add(c); });
|
|
} else {
|
|
el.classList.add(cls);
|
|
}
|
|
} else {
|
|
var cur = " " + (el.getAttribute('class') || '') + " ";
|
|
if (cur.indexOf(' ' + cls + ' ') < 0) {
|
|
el.setAttribute('class', (cur + cls).trim());
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Remove class with compatibility for SVG since classList is not supported on
|
|
* SVG elements in IE
|
|
*/
|
|
function removeClass (el, cls) {
|
|
/* istanbul ignore if */
|
|
if (!cls || !(cls = cls.trim())) {
|
|
return
|
|
}
|
|
|
|
/* istanbul ignore else */
|
|
if (el.classList) {
|
|
if (cls.indexOf(' ') > -1) {
|
|
cls.split(/\s+/).forEach(function (c) { return el.classList.remove(c); });
|
|
} else {
|
|
el.classList.remove(cls);
|
|
}
|
|
} else {
|
|
var cur = " " + (el.getAttribute('class') || '') + " ";
|
|
var tar = ' ' + cls + ' ';
|
|
while (cur.indexOf(tar) >= 0) {
|
|
cur = cur.replace(tar, ' ');
|
|
}
|
|
el.setAttribute('class', cur.trim());
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
function resolveTransition (def$$1) {
|
|
if (!def$$1) {
|
|
return
|
|
}
|
|
/* istanbul ignore else */
|
|
if (typeof def$$1 === 'object') {
|
|
var res = {};
|
|
if (def$$1.css !== false) {
|
|
extend(res, autoCssTransition(def$$1.name || 'v'));
|
|
}
|
|
extend(res, def$$1);
|
|
return res
|
|
} else if (typeof def$$1 === 'string') {
|
|
return autoCssTransition(def$$1)
|
|
}
|
|
}
|
|
|
|
var autoCssTransition = cached(function (name) {
|
|
return {
|
|
enterClass: (name + "-enter"),
|
|
enterToClass: (name + "-enter-to"),
|
|
enterActiveClass: (name + "-enter-active"),
|
|
leaveClass: (name + "-leave"),
|
|
leaveToClass: (name + "-leave-to"),
|
|
leaveActiveClass: (name + "-leave-active")
|
|
}
|
|
});
|
|
|
|
var hasTransition = inBrowser && !isIE9;
|
|
var TRANSITION = 'transition';
|
|
var ANIMATION = 'animation';
|
|
|
|
// Transition property/event sniffing
|
|
var transitionProp = 'transition';
|
|
var transitionEndEvent = 'transitionend';
|
|
var animationProp = 'animation';
|
|
var animationEndEvent = 'animationend';
|
|
if (hasTransition) {
|
|
/* istanbul ignore if */
|
|
if (window.ontransitionend === undefined &&
|
|
window.onwebkittransitionend !== undefined) {
|
|
transitionProp = 'WebkitTransition';
|
|
transitionEndEvent = 'webkitTransitionEnd';
|
|
}
|
|
if (window.onanimationend === undefined &&
|
|
window.onwebkitanimationend !== undefined) {
|
|
animationProp = 'WebkitAnimation';
|
|
animationEndEvent = 'webkitAnimationEnd';
|
|
}
|
|
}
|
|
|
|
// binding to window is necessary to make hot reload work in IE in strict mode
|
|
var raf = inBrowser && window.requestAnimationFrame
|
|
? window.requestAnimationFrame.bind(window)
|
|
: setTimeout;
|
|
|
|
function nextFrame (fn) {
|
|
raf(function () {
|
|
raf(fn);
|
|
});
|
|
}
|
|
|
|
function addTransitionClass (el, cls) {
|
|
(el._transitionClasses || (el._transitionClasses = [])).push(cls);
|
|
addClass(el, cls);
|
|
}
|
|
|
|
function removeTransitionClass (el, cls) {
|
|
if (el._transitionClasses) {
|
|
remove(el._transitionClasses, cls);
|
|
}
|
|
removeClass(el, cls);
|
|
}
|
|
|
|
function whenTransitionEnds (
|
|
el,
|
|
expectedType,
|
|
cb
|
|
) {
|
|
var ref = getTransitionInfo(el, expectedType);
|
|
var type = ref.type;
|
|
var timeout = ref.timeout;
|
|
var propCount = ref.propCount;
|
|
if (!type) { return cb() }
|
|
var event = type === TRANSITION ? transitionEndEvent : animationEndEvent;
|
|
var ended = 0;
|
|
var end = function () {
|
|
el.removeEventListener(event, onEnd);
|
|
cb();
|
|
};
|
|
var onEnd = function (e) {
|
|
if (e.target === el) {
|
|
if (++ended >= propCount) {
|
|
end();
|
|
}
|
|
}
|
|
};
|
|
setTimeout(function () {
|
|
if (ended < propCount) {
|
|
end();
|
|
}
|
|
}, timeout + 1);
|
|
el.addEventListener(event, onEnd);
|
|
}
|
|
|
|
var transformRE = /\b(transform|all)(,|$)/;
|
|
|
|
function getTransitionInfo (el, expectedType) {
|
|
var styles = window.getComputedStyle(el);
|
|
var transitionDelays = styles[transitionProp + 'Delay'].split(', ');
|
|
var transitionDurations = styles[transitionProp + 'Duration'].split(', ');
|
|
var transitionTimeout = getTimeout(transitionDelays, transitionDurations);
|
|
var animationDelays = styles[animationProp + 'Delay'].split(', ');
|
|
var animationDurations = styles[animationProp + 'Duration'].split(', ');
|
|
var animationTimeout = getTimeout(animationDelays, animationDurations);
|
|
|
|
var type;
|
|
var timeout = 0;
|
|
var propCount = 0;
|
|
/* istanbul ignore if */
|
|
if (expectedType === TRANSITION) {
|
|
if (transitionTimeout > 0) {
|
|
type = TRANSITION;
|
|
timeout = transitionTimeout;
|
|
propCount = transitionDurations.length;
|
|
}
|
|
} else if (expectedType === ANIMATION) {
|
|
if (animationTimeout > 0) {
|
|
type = ANIMATION;
|
|
timeout = animationTimeout;
|
|
propCount = animationDurations.length;
|
|
}
|
|
} else {
|
|
timeout = Math.max(transitionTimeout, animationTimeout);
|
|
type = timeout > 0
|
|
? transitionTimeout > animationTimeout
|
|
? TRANSITION
|
|
: ANIMATION
|
|
: null;
|
|
propCount = type
|
|
? type === TRANSITION
|
|
? transitionDurations.length
|
|
: animationDurations.length
|
|
: 0;
|
|
}
|
|
var hasTransform =
|
|
type === TRANSITION &&
|
|
transformRE.test(styles[transitionProp + 'Property']);
|
|
return {
|
|
type: type,
|
|
timeout: timeout,
|
|
propCount: propCount,
|
|
hasTransform: hasTransform
|
|
}
|
|
}
|
|
|
|
function getTimeout (delays, durations) {
|
|
/* istanbul ignore next */
|
|
while (delays.length < durations.length) {
|
|
delays = delays.concat(delays);
|
|
}
|
|
|
|
return Math.max.apply(null, durations.map(function (d, i) {
|
|
return toMs(d) + toMs(delays[i])
|
|
}))
|
|
}
|
|
|
|
function toMs (s) {
|
|
return Number(s.slice(0, -1)) * 1000
|
|
}
|
|
|
|
/* */
|
|
|
|
function enter (vnode, toggleDisplay) {
|
|
var el = vnode.elm;
|
|
|
|
// call leave callback now
|
|
if (el._leaveCb) {
|
|
el._leaveCb.cancelled = true;
|
|
el._leaveCb();
|
|
}
|
|
|
|
var data = resolveTransition(vnode.data.transition);
|
|
if (!data) {
|
|
return
|
|
}
|
|
|
|
/* istanbul ignore if */
|
|
if (el._enterCb || el.nodeType !== 1) {
|
|
return
|
|
}
|
|
|
|
var css = data.css;
|
|
var type = data.type;
|
|
var enterClass = data.enterClass;
|
|
var 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 (process.env.NODE_ENV !== 'production' && explicitEnterDuration != null) {
|
|
checkDuration(explicitEnterDuration, 'enter', vnode);
|
|
}
|
|
|
|
var expectsCSS = css !== false && !isIE9;
|
|
var userWantsControl = getHookArgumentsLength(enterHook);
|
|
|
|
var cb = el._enterCb = once(function () {
|
|
if (expectsCSS) {
|
|
removeTransitionClass(el, toClass);
|
|
removeTransitionClass(el, activeClass);
|
|
}
|
|
if (cb.cancelled) {
|
|
if (expectsCSS) {
|
|
removeTransitionClass(el, startClass);
|
|
}
|
|
enterCancelledHook && enterCancelledHook(el);
|
|
} else {
|
|
afterEnterHook && afterEnterHook(el);
|
|
}
|
|
el._enterCb = null;
|
|
});
|
|
|
|
if (!vnode.data.show) {
|
|
// remove pending leave element on enter by injecting an insert hook
|
|
mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), 'insert', function () {
|
|
var parent = el.parentNode;
|
|
var pendingNode = parent && parent._pending && parent._pending[vnode.key];
|
|
if (pendingNode &&
|
|
pendingNode.tag === vnode.tag &&
|
|
pendingNode.elm._leaveCb) {
|
|
pendingNode.elm._leaveCb();
|
|
}
|
|
enterHook && enterHook(el, cb);
|
|
});
|
|
}
|
|
|
|
// start enter transition
|
|
beforeEnterHook && beforeEnterHook(el);
|
|
if (expectsCSS) {
|
|
addTransitionClass(el, startClass);
|
|
addTransitionClass(el, activeClass);
|
|
nextFrame(function () {
|
|
addTransitionClass(el, toClass);
|
|
removeTransitionClass(el, startClass);
|
|
if (!cb.cancelled && !userWantsControl) {
|
|
if (isValidDuration(explicitEnterDuration)) {
|
|
setTimeout(cb, explicitEnterDuration);
|
|
} else {
|
|
whenTransitionEnds(el, type, cb);
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
if (vnode.data.show) {
|
|
toggleDisplay && toggleDisplay();
|
|
enterHook && enterHook(el, cb);
|
|
}
|
|
|
|
if (!expectsCSS && !userWantsControl) {
|
|
cb();
|
|
}
|
|
}
|
|
|
|
function leave (vnode, rm) {
|
|
var el = vnode.elm;
|
|
|
|
// call enter callback now
|
|
if (el._enterCb) {
|
|
el._enterCb.cancelled = true;
|
|
el._enterCb();
|
|
}
|
|
|
|
var data = resolveTransition(vnode.data.transition);
|
|
if (!data) {
|
|
return rm()
|
|
}
|
|
|
|
/* istanbul ignore if */
|
|
if (el._leaveCb || el.nodeType !== 1) {
|
|
return
|
|
}
|
|
|
|
var css = data.css;
|
|
var type = data.type;
|
|
var leaveClass = data.leaveClass;
|
|
var 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 (process.env.NODE_ENV !== 'production' && explicitLeaveDuration != null) {
|
|
checkDuration(explicitLeaveDuration, 'leave', vnode);
|
|
}
|
|
|
|
var cb = el._leaveCb = once(function () {
|
|
if (el.parentNode && el.parentNode._pending) {
|
|
el.parentNode._pending[vnode.key] = null;
|
|
}
|
|
if (expectsCSS) {
|
|
removeTransitionClass(el, leaveToClass);
|
|
removeTransitionClass(el, leaveActiveClass);
|
|
}
|
|
if (cb.cancelled) {
|
|
if (expectsCSS) {
|
|
removeTransitionClass(el, leaveClass);
|
|
}
|
|
leaveCancelled && leaveCancelled(el);
|
|
} else {
|
|
rm();
|
|
afterLeave && afterLeave(el);
|
|
}
|
|
el._leaveCb = null;
|
|
});
|
|
|
|
if (delayLeave) {
|
|
delayLeave(performLeave);
|
|
} else {
|
|
performLeave();
|
|
}
|
|
|
|
function performLeave () {
|
|
// the delayed leave may have already been cancelled
|
|
if (cb.cancelled) {
|
|
return
|
|
}
|
|
// record leaving element
|
|
if (!vnode.data.show) {
|
|
(el.parentNode._pending || (el.parentNode._pending = {}))[vnode.key] = vnode;
|
|
}
|
|
beforeLeave && beforeLeave(el);
|
|
if (expectsCSS) {
|
|
addTransitionClass(el, leaveClass);
|
|
addTransitionClass(el, leaveActiveClass);
|
|
nextFrame(function () {
|
|
addTransitionClass(el, leaveToClass);
|
|
removeTransitionClass(el, leaveClass);
|
|
if (!cb.cancelled && !userWantsControl) {
|
|
if (isValidDuration(explicitLeaveDuration)) {
|
|
setTimeout(cb, explicitLeaveDuration);
|
|
} else {
|
|
whenTransitionEnds(el, type, cb);
|
|
}
|
|
}
|
|
});
|
|
}
|
|
leave && leave(el, cb);
|
|
if (!expectsCSS && !userWantsControl) {
|
|
cb();
|
|
}
|
|
}
|
|
}
|
|
|
|
// only used in dev mode
|
|
function checkDuration (val, name, vnode) {
|
|
if (typeof val !== 'number') {
|
|
warn(
|
|
"<transition> explicit " + name + " duration is not a valid number - " +
|
|
"got " + (JSON.stringify(val)) + ".",
|
|
vnode.context
|
|
);
|
|
} else if (isNaN(val)) {
|
|
warn(
|
|
"<transition> explicit " + name + " duration is NaN - " +
|
|
'the duration expression might be incorrect.',
|
|
vnode.context
|
|
);
|
|
}
|
|
}
|
|
|
|
function isValidDuration (val) {
|
|
return typeof val === 'number' && !isNaN(val)
|
|
}
|
|
|
|
/**
|
|
* Normalize a transition hook's argument length. The hook may be:
|
|
* - a merged hook (invoker) with the original in .fns
|
|
* - a wrapped component method (check ._length)
|
|
* - a plain function (.length)
|
|
*/
|
|
function getHookArgumentsLength (fn) {
|
|
if (!fn) { return false }
|
|
var invokerFns = fn.fns;
|
|
if (invokerFns) {
|
|
// invoker
|
|
return getHookArgumentsLength(
|
|
Array.isArray(invokerFns)
|
|
? invokerFns[0]
|
|
: invokerFns
|
|
)
|
|
} else {
|
|
return (fn._length || fn.length) > 1
|
|
}
|
|
}
|
|
|
|
function _enter (_, vnode) {
|
|
if (!vnode.data.show) {
|
|
enter(vnode);
|
|
}
|
|
}
|
|
|
|
var transition = inBrowser ? {
|
|
create: _enter,
|
|
activate: _enter,
|
|
remove: function remove$$1 (vnode, rm) {
|
|
/* istanbul ignore else */
|
|
if (!vnode.data.show) {
|
|
leave(vnode, rm);
|
|
} else {
|
|
rm();
|
|
}
|
|
}
|
|
} : {};
|
|
|
|
var platformModules = [
|
|
attrs,
|
|
klass,
|
|
events,
|
|
domProps,
|
|
style,
|
|
transition
|
|
];
|
|
|
|
/* */
|
|
|
|
// the directive module should be applied last, after all
|
|
// built-in modules have been applied.
|
|
var modules = platformModules.concat(baseModules);
|
|
|
|
var patch = createPatchFunction({ nodeOps: nodeOps, modules: modules });
|
|
|
|
/**
|
|
* Not type checking this file because flow doesn't like attaching
|
|
* properties to Elements.
|
|
*/
|
|
|
|
/* istanbul ignore if */
|
|
if (isIE9) {
|
|
// http://www.matts411.com/post/internet-explorer-9-oninput/
|
|
document.addEventListener('selectionchange', function () {
|
|
var el = document.activeElement;
|
|
if (el && el.vmodel) {
|
|
trigger(el, 'input');
|
|
}
|
|
});
|
|
}
|
|
|
|
var model$1 = {
|
|
inserted: function inserted (el, binding, vnode) {
|
|
if (vnode.tag === 'select') {
|
|
var cb = function () {
|
|
setSelected(el, binding, vnode.context);
|
|
};
|
|
cb();
|
|
/* istanbul ignore if */
|
|
if (isIE || isEdge) {
|
|
setTimeout(cb, 0);
|
|
}
|
|
} else if (vnode.tag === 'textarea' || el.type === 'text' || el.type === 'password') {
|
|
el._vModifiers = binding.modifiers;
|
|
if (!binding.modifiers.lazy) {
|
|
if (!isAndroid) {
|
|
el.addEventListener('compositionstart', onCompositionStart);
|
|
el.addEventListener('compositionend', onCompositionEnd);
|
|
}
|
|
/* istanbul ignore if */
|
|
if (isIE9) {
|
|
el.vmodel = true;
|
|
}
|
|
}
|
|
}
|
|
},
|
|
componentUpdated: function componentUpdated (el, binding, vnode) {
|
|
if (vnode.tag === 'select') {
|
|
setSelected(el, binding, vnode.context);
|
|
// in case the options rendered by v-for have changed,
|
|
// it's possible that the value is out-of-sync with the rendered options.
|
|
// detect such cases and filter out values that no longer has a matching
|
|
// option in the DOM.
|
|
var needReset = el.multiple
|
|
? binding.value.some(function (v) { return hasNoMatchingOption(v, el.options); })
|
|
: binding.value !== binding.oldValue && hasNoMatchingOption(binding.value, el.options);
|
|
if (needReset) {
|
|
trigger(el, 'change');
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
function setSelected (el, binding, vm) {
|
|
var value = binding.value;
|
|
var isMultiple = el.multiple;
|
|
if (isMultiple && !Array.isArray(value)) {
|
|
process.env.NODE_ENV !== 'production' && warn(
|
|
"<select multiple v-model=\"" + (binding.expression) + "\"> " +
|
|
"expects an Array value for its binding, but got " + (Object.prototype.toString.call(value).slice(8, -1)),
|
|
vm
|
|
);
|
|
return
|
|
}
|
|
var selected, option;
|
|
for (var i = 0, l = el.options.length; i < l; i++) {
|
|
option = el.options[i];
|
|
if (isMultiple) {
|
|
selected = looseIndexOf(value, getValue(option)) > -1;
|
|
if (option.selected !== selected) {
|
|
option.selected = selected;
|
|
}
|
|
} else {
|
|
if (looseEqual(getValue(option), value)) {
|
|
if (el.selectedIndex !== i) {
|
|
el.selectedIndex = i;
|
|
}
|
|
return
|
|
}
|
|
}
|
|
}
|
|
if (!isMultiple) {
|
|
el.selectedIndex = -1;
|
|
}
|
|
}
|
|
|
|
function hasNoMatchingOption (value, options) {
|
|
for (var i = 0, l = options.length; i < l; i++) {
|
|
if (looseEqual(getValue(options[i]), value)) {
|
|
return false
|
|
}
|
|
}
|
|
return true
|
|
}
|
|
|
|
function getValue (option) {
|
|
return '_value' in option
|
|
? option._value
|
|
: option.value
|
|
}
|
|
|
|
function onCompositionStart (e) {
|
|
e.target.composing = true;
|
|
}
|
|
|
|
function onCompositionEnd (e) {
|
|
e.target.composing = false;
|
|
trigger(e.target, 'input');
|
|
}
|
|
|
|
function trigger (el, type) {
|
|
var e = document.createEvent('HTMLEvents');
|
|
e.initEvent(type, true, true);
|
|
el.dispatchEvent(e);
|
|
}
|
|
|
|
/* */
|
|
|
|
// recursively search for possible transition defined inside the component root
|
|
function locateNode (vnode) {
|
|
return vnode.componentInstance && (!vnode.data || !vnode.data.transition)
|
|
? locateNode(vnode.componentInstance._vnode)
|
|
: vnode
|
|
}
|
|
|
|
var show = {
|
|
bind: function bind (el, ref, vnode) {
|
|
var value = ref.value;
|
|
|
|
vnode = locateNode(vnode);
|
|
var transition = vnode.data && vnode.data.transition;
|
|
var originalDisplay = el.__vOriginalDisplay =
|
|
el.style.display === 'none' ? '' : el.style.display;
|
|
if (value && transition && !isIE9) {
|
|
vnode.data.show = true;
|
|
enter(vnode, function () {
|
|
el.style.display = originalDisplay;
|
|
});
|
|
} else {
|
|
el.style.display = value ? originalDisplay : 'none';
|
|
}
|
|
},
|
|
|
|
update: function update (el, ref, vnode) {
|
|
var value = ref.value;
|
|
var oldValue = ref.oldValue;
|
|
|
|
/* istanbul ignore if */
|
|
if (value === oldValue) { return }
|
|
vnode = locateNode(vnode);
|
|
var transition = vnode.data && vnode.data.transition;
|
|
if (transition && !isIE9) {
|
|
vnode.data.show = true;
|
|
if (value) {
|
|
enter(vnode, function () {
|
|
el.style.display = el.__vOriginalDisplay;
|
|
});
|
|
} else {
|
|
leave(vnode, function () {
|
|
el.style.display = 'none';
|
|
});
|
|
}
|
|
} else {
|
|
el.style.display = value ? el.__vOriginalDisplay : 'none';
|
|
}
|
|
},
|
|
|
|
unbind: function unbind (
|
|
el,
|
|
binding,
|
|
vnode,
|
|
oldVnode,
|
|
isDestroy
|
|
) {
|
|
if (!isDestroy) {
|
|
el.style.display = el.__vOriginalDisplay;
|
|
}
|
|
}
|
|
};
|
|
|
|
var platformDirectives = {
|
|
model: model$1,
|
|
show: show
|
|
};
|
|
|
|
/* */
|
|
|
|
// Provides transition support for a single element/component.
|
|
// supports transition mode (out-in / in-out)
|
|
|
|
var transitionProps = {
|
|
name: String,
|
|
appear: Boolean,
|
|
css: Boolean,
|
|
mode: String,
|
|
type: String,
|
|
enterClass: String,
|
|
leaveClass: String,
|
|
enterToClass: String,
|
|
leaveToClass: String,
|
|
enterActiveClass: String,
|
|
leaveActiveClass: String,
|
|
appearClass: String,
|
|
appearActiveClass: String,
|
|
appearToClass: String,
|
|
duration: [Number, String, Object]
|
|
};
|
|
|
|
// in case the child is also an abstract component, e.g. <keep-alive>
|
|
// we want to recursively retrieve the real component to be rendered
|
|
function getRealChild (vnode) {
|
|
var compOptions = vnode && vnode.componentOptions;
|
|
if (compOptions && compOptions.Ctor.options.abstract) {
|
|
return getRealChild(getFirstComponentChild(compOptions.children))
|
|
} else {
|
|
return vnode
|
|
}
|
|
}
|
|
|
|
function extractTransitionData (comp) {
|
|
var data = {};
|
|
var options = comp.$options;
|
|
// props
|
|
for (var key in options.propsData) {
|
|
data[key] = comp[key];
|
|
}
|
|
// events.
|
|
// extract listeners and pass them directly to the transition methods
|
|
var listeners = options._parentListeners;
|
|
for (var key$1 in listeners) {
|
|
data[camelize(key$1)] = listeners[key$1];
|
|
}
|
|
return data
|
|
}
|
|
|
|
function placeholder (h, rawChild) {
|
|
return /\d-keep-alive$/.test(rawChild.tag)
|
|
? h('keep-alive')
|
|
: null
|
|
}
|
|
|
|
function hasParentTransition (vnode) {
|
|
while ((vnode = vnode.parent)) {
|
|
if (vnode.data.transition) {
|
|
return true
|
|
}
|
|
}
|
|
}
|
|
|
|
function isSameChild (child, oldChild) {
|
|
return oldChild.key === child.key && oldChild.tag === child.tag
|
|
}
|
|
|
|
var Transition = {
|
|
name: 'transition',
|
|
props: transitionProps,
|
|
abstract: true,
|
|
|
|
render: function render (h) {
|
|
var this$1 = this;
|
|
|
|
var children = this.$slots.default;
|
|
if (!children) {
|
|
return
|
|
}
|
|
|
|
// filter out text nodes (possible whitespaces)
|
|
children = children.filter(function (c) { return c.tag; });
|
|
/* istanbul ignore if */
|
|
if (!children.length) {
|
|
return
|
|
}
|
|
|
|
// warn multiple elements
|
|
if (process.env.NODE_ENV !== 'production' && children.length > 1) {
|
|
warn(
|
|
'<transition> can only be used on a single element. Use ' +
|
|
'<transition-group> for lists.',
|
|
this.$parent
|
|
);
|
|
}
|
|
|
|
var mode = this.mode;
|
|
|
|
// warn invalid mode
|
|
if (process.env.NODE_ENV !== 'production' &&
|
|
mode && mode !== 'in-out' && mode !== 'out-in') {
|
|
warn(
|
|
'invalid <transition> mode: ' + mode,
|
|
this.$parent
|
|
);
|
|
}
|
|
|
|
var rawChild = children[0];
|
|
|
|
// if this is a component root node and the component's
|
|
// parent container node also has transition, skip.
|
|
if (hasParentTransition(this.$vnode)) {
|
|
return rawChild
|
|
}
|
|
|
|
// apply transition data to child
|
|
// use getRealChild() to ignore abstract components e.g. keep-alive
|
|
var child = getRealChild(rawChild);
|
|
/* istanbul ignore if */
|
|
if (!child) {
|
|
return rawChild
|
|
}
|
|
|
|
if (this._leaving) {
|
|
return placeholder(h, rawChild)
|
|
}
|
|
|
|
// ensure a key that is unique to the vnode type and to this transition
|
|
// component instance. This key will be used to remove pending leaving nodes
|
|
// during entering.
|
|
var id = "__transition-" + (this._uid) + "-";
|
|
child.key = child.key == null
|
|
? id + child.tag
|
|
: isPrimitive(child.key)
|
|
? (String(child.key).indexOf(id) === 0 ? child.key : id + child.key)
|
|
: child.key;
|
|
|
|
var data = (child.data || (child.data = {})).transition = extractTransitionData(this);
|
|
var oldRawChild = this._vnode;
|
|
var oldChild = getRealChild(oldRawChild);
|
|
|
|
// mark v-show
|
|
// so that the transition module can hand over the control to the directive
|
|
if (child.data.directives && child.data.directives.some(function (d) { return d.name === 'show'; })) {
|
|
child.data.show = true;
|
|
}
|
|
|
|
if (oldChild && oldChild.data && !isSameChild(child, oldChild)) {
|
|
// replace old child transition data with fresh one
|
|
// important for dynamic transitions!
|
|
var oldData = oldChild && (oldChild.data.transition = extend({}, data));
|
|
// handle transition mode
|
|
if (mode === 'out-in') {
|
|
// return placeholder node and queue update when leave finishes
|
|
this._leaving = true;
|
|
mergeVNodeHook(oldData, 'afterLeave', function () {
|
|
this$1._leaving = false;
|
|
this$1.$forceUpdate();
|
|
});
|
|
return placeholder(h, rawChild)
|
|
} else if (mode === 'in-out') {
|
|
var delayedLeave;
|
|
var performLeave = function () { delayedLeave(); };
|
|
mergeVNodeHook(data, 'afterEnter', performLeave);
|
|
mergeVNodeHook(data, 'enterCancelled', performLeave);
|
|
mergeVNodeHook(oldData, 'delayLeave', function (leave) { delayedLeave = leave; });
|
|
}
|
|
}
|
|
|
|
return rawChild
|
|
}
|
|
};
|
|
|
|
/* */
|
|
|
|
// Provides transition support for list items.
|
|
// supports move transitions using the FLIP technique.
|
|
|
|
// Because the vdom's children update algorithm is "unstable" - i.e.
|
|
// it doesn't guarantee the relative positioning of removed elements,
|
|
// we force transition-group to update its children into two passes:
|
|
// in the first pass, we remove all nodes that need to be removed,
|
|
// triggering their leaving transition; in the second pass, we insert/move
|
|
// into the final desired state. This way in the second pass removed
|
|
// nodes will remain where they should be.
|
|
|
|
var props = extend({
|
|
tag: String,
|
|
moveClass: String
|
|
}, transitionProps);
|
|
|
|
delete props.mode;
|
|
|
|
var TransitionGroup = {
|
|
props: props,
|
|
|
|
render: function render (h) {
|
|
var tag = this.tag || this.$vnode.data.tag || 'span';
|
|
var map = Object.create(null);
|
|
var prevChildren = this.prevChildren = this.children;
|
|
var rawChildren = this.$slots.default || [];
|
|
var children = this.children = [];
|
|
var transitionData = extractTransitionData(this);
|
|
|
|
for (var i = 0; i < rawChildren.length; i++) {
|
|
var c = rawChildren[i];
|
|
if (c.tag) {
|
|
if (c.key != null && String(c.key).indexOf('__vlist') !== 0) {
|
|
children.push(c);
|
|
map[c.key] = c
|
|
;(c.data || (c.data = {})).transition = transitionData;
|
|
} else if (process.env.NODE_ENV !== 'production') {
|
|
var opts = c.componentOptions;
|
|
var name = opts ? (opts.Ctor.options.name || opts.tag || '') : c.tag;
|
|
warn(("<transition-group> children must be keyed: <" + name + ">"));
|
|
}
|
|
}
|
|
}
|
|
|
|
if (prevChildren) {
|
|
var kept = [];
|
|
var removed = [];
|
|
for (var i$1 = 0; i$1 < prevChildren.length; i$1++) {
|
|
var c$1 = prevChildren[i$1];
|
|
c$1.data.transition = transitionData;
|
|
c$1.data.pos = c$1.elm.getBoundingClientRect();
|
|
if (map[c$1.key]) {
|
|
kept.push(c$1);
|
|
} else {
|
|
removed.push(c$1);
|
|
}
|
|
}
|
|
this.kept = h(tag, null, kept);
|
|
this.removed = removed;
|
|
}
|
|
|
|
return h(tag, null, children)
|
|
},
|
|
|
|
beforeUpdate: function beforeUpdate () {
|
|
// force removing pass
|
|
this.__patch__(
|
|
this._vnode,
|
|
this.kept,
|
|
false, // hydrating
|
|
true // removeOnly (!important, avoids unnecessary moves)
|
|
);
|
|
this._vnode = this.kept;
|
|
},
|
|
|
|
updated: function updated () {
|
|
var children = this.prevChildren;
|
|
var moveClass = this.moveClass || ((this.name || 'v') + '-move');
|
|
if (!children.length || !this.hasMove(children[0].elm, moveClass)) {
|
|
return
|
|
}
|
|
|
|
// we divide the work into three loops to avoid mixing DOM reads and writes
|
|
// in each iteration - which helps prevent layout thrashing.
|
|
children.forEach(callPendingCbs);
|
|
children.forEach(recordPosition);
|
|
children.forEach(applyTranslation);
|
|
|
|
// force reflow to put everything in position
|
|
var body = document.body;
|
|
var f = body.offsetHeight; // eslint-disable-line
|
|
|
|
children.forEach(function (c) {
|
|
if (c.data.moved) {
|
|
var el = c.elm;
|
|
var s = el.style;
|
|
addTransitionClass(el, moveClass);
|
|
s.transform = s.WebkitTransform = s.transitionDuration = '';
|
|
el.addEventListener(transitionEndEvent, el._moveCb = function cb (e) {
|
|
if (!e || /transform$/.test(e.propertyName)) {
|
|
el.removeEventListener(transitionEndEvent, cb);
|
|
el._moveCb = null;
|
|
removeTransitionClass(el, moveClass);
|
|
}
|
|
});
|
|
}
|
|
});
|
|
},
|
|
|
|
methods: {
|
|
hasMove: function hasMove (el, moveClass) {
|
|
/* istanbul ignore if */
|
|
if (!hasTransition) {
|
|
return false
|
|
}
|
|
if (this._hasMove != null) {
|
|
return this._hasMove
|
|
}
|
|
// Detect whether an element with the move class applied has
|
|
// CSS transitions. Since the element may be inside an entering
|
|
// transition at this very moment, we make a clone of it and remove
|
|
// all other transition classes applied to ensure only the move class
|
|
// is applied.
|
|
var clone = el.cloneNode();
|
|
if (el._transitionClasses) {
|
|
el._transitionClasses.forEach(function (cls) { removeClass(clone, cls); });
|
|
}
|
|
addClass(clone, moveClass);
|
|
clone.style.display = 'none';
|
|
this.$el.appendChild(clone);
|
|
var info = getTransitionInfo(clone);
|
|
this.$el.removeChild(clone);
|
|
return (this._hasMove = info.hasTransform)
|
|
}
|
|
}
|
|
};
|
|
|
|
function callPendingCbs (c) {
|
|
/* istanbul ignore if */
|
|
if (c.elm._moveCb) {
|
|
c.elm._moveCb();
|
|
}
|
|
/* istanbul ignore if */
|
|
if (c.elm._enterCb) {
|
|
c.elm._enterCb();
|
|
}
|
|
}
|
|
|
|
function recordPosition (c) {
|
|
c.data.newPos = c.elm.getBoundingClientRect();
|
|
}
|
|
|
|
function applyTranslation (c) {
|
|
var oldPos = c.data.pos;
|
|
var newPos = c.data.newPos;
|
|
var dx = oldPos.left - newPos.left;
|
|
var dy = oldPos.top - newPos.top;
|
|
if (dx || dy) {
|
|
c.data.moved = true;
|
|
var s = c.elm.style;
|
|
s.transform = s.WebkitTransform = "translate(" + dx + "px," + dy + "px)";
|
|
s.transitionDuration = '0s';
|
|
}
|
|
}
|
|
|
|
var platformComponents = {
|
|
Transition: Transition,
|
|
TransitionGroup: TransitionGroup
|
|
};
|
|
|
|
/* */
|
|
|
|
// install platform specific utils
|
|
Vue$2.config.mustUseProp = mustUseProp;
|
|
Vue$2.config.isReservedTag = isReservedTag;
|
|
Vue$2.config.getTagNamespace = getTagNamespace;
|
|
Vue$2.config.isUnknownElement = isUnknownElement;
|
|
|
|
// install platform runtime directives & components
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|
extend(Vue$2.options.directives, platformDirectives);
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|
extend(Vue$2.options.components, platformComponents);
|
|
|
|
// install platform patch function
|
|
Vue$2.prototype.__patch__ = inBrowser ? patch : noop;
|
|
|
|
// public mount method
|
|
Vue$2.prototype.$mount = function (
|
|
el,
|
|
hydrating
|
|
) {
|
|
el = el && inBrowser ? query(el) : undefined;
|
|
return mountComponent(this, el, hydrating)
|
|
};
|
|
|
|
// devtools global hook
|
|
/* istanbul ignore next */
|
|
setTimeout(function () {
|
|
if (config.devtools) {
|
|
if (devtools) {
|
|
devtools.emit('init', Vue$2);
|
|
} else if (process.env.NODE_ENV !== 'production' && isChrome) {
|
|
console[console.info ? 'info' : 'log'](
|
|
'Download the Vue Devtools extension for a better development experience:\n' +
|
|
'https://github.com/vuejs/vue-devtools'
|
|
);
|
|
}
|
|
}
|
|
if (process.env.NODE_ENV !== 'production' &&
|
|
config.productionTip !== false &&
|
|
inBrowser && typeof console !== 'undefined') {
|
|
console[console.info ? 'info' : 'log'](
|
|
"You are running Vue in development mode.\n" +
|
|
"Make sure to turn on production mode when deploying for production.\n" +
|
|
"See more tips at https://vuejs.org/guide/deployment.html"
|
|
);
|
|
}
|
|
}, 0);
|
|
|
|
export default Vue$2;
|