mirror of
https://gitee.com/vuejs/vue.git
synced 2024-12-05 05:27:59 +08:00
5826 lines
146 KiB
JavaScript
5826 lines
146 KiB
JavaScript
'use strict';
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Object.defineProperty(exports, '__esModule', { value: true });
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function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }
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var he = require('he');
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var deindent = _interopDefault(require('de-indent'));
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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, 10);
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return (n || n === 0) ? n : val
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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-delmited 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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function genStaticKeys (modules) {
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return modules.reduce(function (keys, m) {
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return keys.concat(m.staticKeys || [])
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}, []).join(',')
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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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/* eslint-disable eqeqeq */
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return a == b || (
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isObject(a) && isObject(b)
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? JSON.stringify(a) === JSON.stringify(b)
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: false
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)
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/* eslint-enable eqeqeq */
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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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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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* 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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* 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: null,
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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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var warn = noop;
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var formatComponentName;
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if (process.env.NODE_ENV !== 'production') {
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var hasConsole = typeof console !== 'undefined';
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warn = function (msg, vm) {
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if (hasConsole && (!config.silent)) {
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console.error("[Vue warn]: " + msg + " " + (
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vm ? formatLocation(formatComponentName(vm)) : ''
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));
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}
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};
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formatComponentName = function (vm) {
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if (vm.$root === vm) {
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return 'root instance'
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}
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var name = vm._isVue
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? vm.$options.name || vm.$options._componentTag
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: vm.name;
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return (
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(name ? ("component <" + name + ">") : "anonymous component") +
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(vm._isVue && vm.$options.__file ? (" at " + (vm.$options.__file)) : '')
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)
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};
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var formatLocation = function (str) {
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if (str === 'anonymous component') {
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str += " - use the \"name\" option for better debugging messages.";
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}
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return ("\n(found in " + str + ")")
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};
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}
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/* */
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var isUnaryTag = makeMap(
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'area,base,br,col,embed,frame,hr,img,input,isindex,keygen,' +
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'link,meta,param,source,track,wbr',
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true
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);
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// Elements that you can, intentionally, leave open
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// (and which close themselves)
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var canBeLeftOpenTag = makeMap(
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'colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr,source',
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true
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);
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// HTML5 tags https://html.spec.whatwg.org/multipage/indices.html#elements-3
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// Phrasing Content https://html.spec.whatwg.org/multipage/dom.html#phrasing-content
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var isNonPhrasingTag = makeMap(
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'address,article,aside,base,blockquote,body,caption,col,colgroup,dd,' +
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'details,dialog,div,dl,dt,fieldset,figcaption,figure,footer,form,' +
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'h1,h2,h3,h4,h5,h6,head,header,hgroup,hr,html,legend,li,menuitem,meta,' +
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'optgroup,option,param,rp,rt,source,style,summary,tbody,td,tfoot,th,thead,' +
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'title,tr,track',
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true
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);
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/**
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* Not type-checking this file because it's mostly vendor code.
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*/
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/*!
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* HTML Parser By John Resig (ejohn.org)
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* Modified by Juriy "kangax" Zaytsev
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* Original code by Erik Arvidsson, Mozilla Public License
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* http://erik.eae.net/simplehtmlparser/simplehtmlparser.js
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*/
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// Regular Expressions for parsing tags and attributes
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var singleAttrIdentifier = /([^\s"'<>/=]+)/;
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var singleAttrAssign = /(?:=)/;
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var singleAttrValues = [
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// attr value double quotes
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/"([^"]*)"+/.source,
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// attr value, single quotes
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/'([^']*)'+/.source,
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// attr value, no quotes
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/([^\s"'=<>`]+)/.source
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];
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var attribute = new RegExp(
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'^\\s*' + singleAttrIdentifier.source +
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'(?:\\s*(' + singleAttrAssign.source + ')' +
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'\\s*(?:' + singleAttrValues.join('|') + '))?'
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);
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// could use https://www.w3.org/TR/1999/REC-xml-names-19990114/#NT-QName
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// but for Vue templates we can enforce a simple charset
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var ncname = '[a-zA-Z_][\\w\\-\\.]*';
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var qnameCapture = '((?:' + ncname + '\\:)?' + ncname + ')';
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var startTagOpen = new RegExp('^<' + qnameCapture);
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var startTagClose = /^\s*(\/?)>/;
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var endTag = new RegExp('^<\\/' + qnameCapture + '[^>]*>');
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var doctype = /^<!DOCTYPE [^>]+>/i;
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var comment = /^<!--/;
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var conditionalComment = /^<!\[/;
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var IS_REGEX_CAPTURING_BROKEN = false;
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'x'.replace(/x(.)?/g, function (m, g) {
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IS_REGEX_CAPTURING_BROKEN = g === '';
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});
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// Special Elements (can contain anything)
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var isScriptOrStyle = makeMap('script,style', true);
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var hasLang = function (attr) { return attr.name === 'lang' && attr.value !== 'html'; };
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var isSpecialTag = function (tag, isSFC, stack) {
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if (isScriptOrStyle(tag)) {
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return true
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}
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if (isSFC && stack.length === 1) {
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// top-level template that has no pre-processor
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if (tag === 'template' && !stack[0].attrs.some(hasLang)) {
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return false
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} else {
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return true
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}
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}
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return false
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};
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var reCache = {};
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var ltRE = /</g;
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var gtRE = />/g;
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var nlRE = / /g;
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var ampRE = /&/g;
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var quoteRE = /"/g;
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function decodeAttr (value, shouldDecodeNewlines) {
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if (shouldDecodeNewlines) {
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value = value.replace(nlRE, '\n');
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}
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return value
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.replace(ltRE, '<')
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.replace(gtRE, '>')
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.replace(ampRE, '&')
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.replace(quoteRE, '"')
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}
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function parseHTML (html, options) {
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var stack = [];
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var expectHTML = options.expectHTML;
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var isUnaryTag$$1 = options.isUnaryTag || no;
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var index = 0;
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var last, lastTag;
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while (html) {
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last = html;
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// Make sure we're not in a script or style element
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if (!lastTag || !isSpecialTag(lastTag, options.sfc, stack)) {
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var textEnd = html.indexOf('<');
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if (textEnd === 0) {
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// Comment:
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if (comment.test(html)) {
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var commentEnd = html.indexOf('-->');
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if (commentEnd >= 0) {
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advance(commentEnd + 3);
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continue
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}
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}
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// http://en.wikipedia.org/wiki/Conditional_comment#Downlevel-revealed_conditional_comment
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if (conditionalComment.test(html)) {
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var conditionalEnd = html.indexOf(']>');
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if (conditionalEnd >= 0) {
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advance(conditionalEnd + 2);
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continue
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}
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}
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// Doctype:
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var doctypeMatch = html.match(doctype);
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if (doctypeMatch) {
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advance(doctypeMatch[0].length);
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continue
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}
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// End tag:
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var endTagMatch = html.match(endTag);
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if (endTagMatch) {
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var curIndex = index;
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advance(endTagMatch[0].length);
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parseEndTag(endTagMatch[0], endTagMatch[1], curIndex, index);
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continue
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}
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|
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// Start tag:
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var startTagMatch = parseStartTag();
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if (startTagMatch) {
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handleStartTag(startTagMatch);
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continue
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}
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}
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var text = (void 0), rest$1 = (void 0), next = (void 0);
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if (textEnd > 0) {
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rest$1 = html.slice(textEnd);
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while (
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!endTag.test(rest$1) &&
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!startTagOpen.test(rest$1) &&
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!comment.test(rest$1) &&
|
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!conditionalComment.test(rest$1)
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) {
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// < in plain text, be forgiving and treat it as text
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next = rest$1.indexOf('<', 1);
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if (next < 0) { break }
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textEnd += next;
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rest$1 = html.slice(textEnd);
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}
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text = html.substring(0, textEnd);
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advance(textEnd);
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}
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if (textEnd < 0) {
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text = html;
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html = '';
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}
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if (options.chars && text) {
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options.chars(text);
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}
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} else {
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var stackedTag = lastTag.toLowerCase();
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var reStackedTag = reCache[stackedTag] || (reCache[stackedTag] = new RegExp('([\\s\\S]*?)(</' + stackedTag + '[^>]*>)', 'i'));
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var endTagLength = 0;
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var rest = html.replace(reStackedTag, function (all, text, endTag) {
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endTagLength = endTag.length;
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if (stackedTag !== 'script' && stackedTag !== 'style' && stackedTag !== 'noscript') {
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text = text
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.replace(/<!--([\s\S]*?)-->/g, '$1')
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.replace(/<!\[CDATA\[([\s\S]*?)]]>/g, '$1');
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}
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if (options.chars) {
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options.chars(text);
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}
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return ''
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});
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index += html.length - rest.length;
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html = rest;
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parseEndTag('</' + stackedTag + '>', stackedTag, index - endTagLength, index);
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}
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if (html === last && options.chars) {
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options.chars(html);
|
|
break
|
|
}
|
|
}
|
|
|
|
// Clean up any remaining tags
|
|
parseEndTag();
|
|
|
|
function advance (n) {
|
|
index += n;
|
|
html = html.substring(n);
|
|
}
|
|
|
|
function parseStartTag () {
|
|
var start = html.match(startTagOpen);
|
|
if (start) {
|
|
var match = {
|
|
tagName: start[1],
|
|
attrs: [],
|
|
start: index
|
|
};
|
|
advance(start[0].length);
|
|
var end, attr;
|
|
while (!(end = html.match(startTagClose)) && (attr = html.match(attribute))) {
|
|
advance(attr[0].length);
|
|
match.attrs.push(attr);
|
|
}
|
|
if (end) {
|
|
match.unarySlash = end[1];
|
|
advance(end[0].length);
|
|
match.end = index;
|
|
return match
|
|
}
|
|
}
|
|
}
|
|
|
|
function handleStartTag (match) {
|
|
var tagName = match.tagName;
|
|
var unarySlash = match.unarySlash;
|
|
|
|
if (expectHTML) {
|
|
if (lastTag === 'p' && isNonPhrasingTag(tagName)) {
|
|
parseEndTag('', lastTag);
|
|
}
|
|
if (canBeLeftOpenTag(tagName) && lastTag === tagName) {
|
|
parseEndTag('', tagName);
|
|
}
|
|
}
|
|
|
|
var unary = isUnaryTag$$1(tagName) || tagName === 'html' && lastTag === 'head' || !!unarySlash;
|
|
|
|
var l = match.attrs.length;
|
|
var attrs = new Array(l);
|
|
for (var i = 0; i < l; i++) {
|
|
var args = match.attrs[i];
|
|
// hackish work around FF bug https://bugzilla.mozilla.org/show_bug.cgi?id=369778
|
|
if (IS_REGEX_CAPTURING_BROKEN && args[0].indexOf('""') === -1) {
|
|
if (args[3] === '') { delete args[3]; }
|
|
if (args[4] === '') { delete args[4]; }
|
|
if (args[5] === '') { delete args[5]; }
|
|
}
|
|
var value = args[3] || args[4] || args[5] || '';
|
|
attrs[i] = {
|
|
name: args[1],
|
|
value: decodeAttr(
|
|
value,
|
|
options.shouldDecodeNewlines
|
|
)
|
|
};
|
|
}
|
|
|
|
if (!unary) {
|
|
stack.push({ tag: tagName, attrs: attrs });
|
|
lastTag = tagName;
|
|
unarySlash = '';
|
|
}
|
|
|
|
if (options.start) {
|
|
options.start(tagName, attrs, unary, match.start, match.end);
|
|
}
|
|
}
|
|
|
|
function parseEndTag (tag, tagName, start, end) {
|
|
var pos;
|
|
if (start == null) { start = index; }
|
|
if (end == null) { end = index; }
|
|
|
|
// Find the closest opened tag of the same type
|
|
if (tagName) {
|
|
var needle = tagName.toLowerCase();
|
|
for (pos = stack.length - 1; pos >= 0; pos--) {
|
|
if (stack[pos].tag.toLowerCase() === needle) {
|
|
break
|
|
}
|
|
}
|
|
} else {
|
|
// If no tag name is provided, clean shop
|
|
pos = 0;
|
|
}
|
|
|
|
if (pos >= 0) {
|
|
// Close all the open elements, up the stack
|
|
for (var i = stack.length - 1; i >= pos; i--) {
|
|
if (options.end) {
|
|
options.end(stack[i].tag, start, end);
|
|
}
|
|
}
|
|
|
|
// Remove the open elements from the stack
|
|
stack.length = pos;
|
|
lastTag = pos && stack[pos - 1].tag;
|
|
} else if (tagName.toLowerCase() === 'br') {
|
|
if (options.start) {
|
|
options.start(tagName, [], true, start, end);
|
|
}
|
|
} else if (tagName.toLowerCase() === 'p') {
|
|
if (options.start) {
|
|
options.start(tagName, [], false, start, end);
|
|
}
|
|
if (options.end) {
|
|
options.end(tagName, start, end);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
function parseFilters (exp) {
|
|
var inSingle = false;
|
|
var inDouble = false;
|
|
var inTemplateString = false;
|
|
var inRegex = false;
|
|
var curly = 0;
|
|
var square = 0;
|
|
var paren = 0;
|
|
var lastFilterIndex = 0;
|
|
var c, prev, i, expression, filters;
|
|
|
|
for (i = 0; i < exp.length; i++) {
|
|
prev = c;
|
|
c = exp.charCodeAt(i);
|
|
if (inSingle) {
|
|
if (c === 0x27 && prev !== 0x5C) { inSingle = false; }
|
|
} else if (inDouble) {
|
|
if (c === 0x22 && prev !== 0x5C) { inDouble = false; }
|
|
} else if (inTemplateString) {
|
|
if (c === 0x60 && prev !== 0x5C) { inTemplateString = false; }
|
|
} else if (inRegex) {
|
|
if (c === 0x2f && prev !== 0x5C) { inRegex = false; }
|
|
} else if (
|
|
c === 0x7C && // pipe
|
|
exp.charCodeAt(i + 1) !== 0x7C &&
|
|
exp.charCodeAt(i - 1) !== 0x7C &&
|
|
!curly && !square && !paren
|
|
) {
|
|
if (expression === undefined) {
|
|
// first filter, end of expression
|
|
lastFilterIndex = i + 1;
|
|
expression = exp.slice(0, i).trim();
|
|
} else {
|
|
pushFilter();
|
|
}
|
|
} else {
|
|
switch (c) {
|
|
case 0x22: inDouble = true; break // "
|
|
case 0x27: inSingle = true; break // '
|
|
case 0x60: inTemplateString = true; break // `
|
|
case 0x28: paren++; break // (
|
|
case 0x29: paren--; break // )
|
|
case 0x5B: square++; break // [
|
|
case 0x5D: square--; break // ]
|
|
case 0x7B: curly++; break // {
|
|
case 0x7D: curly--; break // }
|
|
}
|
|
if (c === 0x2f) { // /
|
|
var j = i - 1;
|
|
var p = (void 0);
|
|
// find first non-whitespace prev char
|
|
for (; j >= 0; j--) {
|
|
p = exp.charAt(j);
|
|
if (p !== ' ') { break }
|
|
}
|
|
if (!p || !/[\w$]/.test(p)) {
|
|
inRegex = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (expression === undefined) {
|
|
expression = exp.slice(0, i).trim();
|
|
} else if (lastFilterIndex !== 0) {
|
|
pushFilter();
|
|
}
|
|
|
|
function pushFilter () {
|
|
(filters || (filters = [])).push(exp.slice(lastFilterIndex, i).trim());
|
|
lastFilterIndex = i + 1;
|
|
}
|
|
|
|
if (filters) {
|
|
for (i = 0; i < filters.length; i++) {
|
|
expression = wrapFilter(expression, filters[i]);
|
|
}
|
|
}
|
|
|
|
return expression
|
|
}
|
|
|
|
function wrapFilter (exp, filter) {
|
|
var i = filter.indexOf('(');
|
|
if (i < 0) {
|
|
// _f: resolveFilter
|
|
return ("_f(\"" + filter + "\")(" + exp + ")")
|
|
} else {
|
|
var name = filter.slice(0, i);
|
|
var args = filter.slice(i + 1);
|
|
return ("_f(\"" + name + "\")(" + exp + "," + args)
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
var defaultTagRE = /\{\{((?:.|\n)+?)\}\}/g;
|
|
var regexEscapeRE = /[-.*+?^${}()|[\]/\\]/g;
|
|
|
|
var buildRegex = cached(function (delimiters) {
|
|
var open = delimiters[0].replace(regexEscapeRE, '\\$&');
|
|
var close = delimiters[1].replace(regexEscapeRE, '\\$&');
|
|
return new RegExp(open + '((?:.|\\n)+?)' + close, 'g')
|
|
});
|
|
|
|
function parseText (
|
|
text,
|
|
delimiters
|
|
) {
|
|
var tagRE = delimiters ? buildRegex(delimiters) : defaultTagRE;
|
|
if (!tagRE.test(text)) {
|
|
return
|
|
}
|
|
var tokens = [];
|
|
var lastIndex = tagRE.lastIndex = 0;
|
|
var match, index;
|
|
while ((match = tagRE.exec(text))) {
|
|
index = match.index;
|
|
// push text token
|
|
if (index > lastIndex) {
|
|
tokens.push(JSON.stringify(text.slice(lastIndex, index)));
|
|
}
|
|
// tag token
|
|
var exp = parseFilters(match[1].trim());
|
|
tokens.push(("_s(" + exp + ")"));
|
|
lastIndex = index + match[0].length;
|
|
}
|
|
if (lastIndex < text.length) {
|
|
tokens.push(JSON.stringify(text.slice(lastIndex)));
|
|
}
|
|
return tokens.join('+')
|
|
}
|
|
|
|
/* */
|
|
/* globals MutationObserver */
|
|
|
|
// can we use __proto__?
|
|
var hasProto = '__proto__' in {};
|
|
|
|
// Browser environment sniffing
|
|
var inBrowser = typeof window !== 'undefined';
|
|
var UA = inBrowser && window.navigator.userAgent.toLowerCase();
|
|
var isIE = UA && /msie|trident/.test(UA);
|
|
var isIE9 = UA && UA.indexOf('msie 9.0') > 0;
|
|
var isEdge = UA && UA.indexOf('edge/') > 0;
|
|
var isAndroid = UA && UA.indexOf('android') > 0;
|
|
var isIOS = UA && /iphone|ipad|ipod|ios/.test(UA);
|
|
|
|
// this needs to be lazy-evaled because vue may be required before
|
|
// vue-server-renderer can set VUE_ENV
|
|
var _isServer;
|
|
var isServerRendering = function () {
|
|
if (_isServer === undefined) {
|
|
/* istanbul ignore if */
|
|
if (!inBrowser && typeof global !== 'undefined') {
|
|
// detect presence of vue-server-renderer and avoid
|
|
// Webpack shimming the process
|
|
_isServer = global['process'].env.VUE_ENV === 'server';
|
|
} else {
|
|
_isServer = false;
|
|
}
|
|
}
|
|
return _isServer
|
|
};
|
|
|
|
// detect devtools
|
|
var devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__;
|
|
|
|
/* istanbul ignore next */
|
|
function isNative (Ctor) {
|
|
return /native code/.test(Ctor.toString())
|
|
}
|
|
|
|
/**
|
|
* Defer a task to execute it asynchronously.
|
|
*/
|
|
var nextTick = (function () {
|
|
var callbacks = [];
|
|
var pending = false;
|
|
var timerFunc;
|
|
|
|
function nextTickHandler () {
|
|
pending = false;
|
|
var copies = callbacks.slice(0);
|
|
callbacks.length = 0;
|
|
for (var i = 0; i < copies.length; i++) {
|
|
copies[i]();
|
|
}
|
|
}
|
|
|
|
// the nextTick behavior leverages the microtask queue, which can be accessed
|
|
// via either native Promise.then or MutationObserver.
|
|
// MutationObserver has wider support, however it is seriously bugged in
|
|
// UIWebView in iOS >= 9.3.3 when triggered in touch event handlers. It
|
|
// completely stops working after triggering a few times... so, if native
|
|
// Promise is available, we will use it:
|
|
/* istanbul ignore if */
|
|
if (typeof Promise !== 'undefined' && isNative(Promise)) {
|
|
var p = Promise.resolve();
|
|
var logError = function (err) { console.error(err); };
|
|
timerFunc = function () {
|
|
p.then(nextTickHandler).catch(logError);
|
|
// in problematic UIWebViews, Promise.then doesn't completely break, but
|
|
// it can get stuck in a weird state where callbacks are pushed into the
|
|
// microtask queue but the queue isn't being flushed, until the browser
|
|
// needs to do some other work, e.g. handle a timer. Therefore we can
|
|
// "force" the microtask queue to be flushed by adding an empty timer.
|
|
if (isIOS) { setTimeout(noop); }
|
|
};
|
|
} else if (typeof MutationObserver !== 'undefined' && (
|
|
isNative(MutationObserver) ||
|
|
// PhantomJS and iOS 7.x
|
|
MutationObserver.toString() === '[object MutationObserverConstructor]'
|
|
)) {
|
|
// use MutationObserver where native Promise is not available,
|
|
// e.g. PhantomJS IE11, iOS7, Android 4.4
|
|
var counter = 1;
|
|
var observer = new MutationObserver(nextTickHandler);
|
|
var textNode = document.createTextNode(String(counter));
|
|
observer.observe(textNode, {
|
|
characterData: true
|
|
});
|
|
timerFunc = function () {
|
|
counter = (counter + 1) % 2;
|
|
textNode.data = String(counter);
|
|
};
|
|
} else {
|
|
// fallback to setTimeout
|
|
/* istanbul ignore next */
|
|
timerFunc = function () {
|
|
setTimeout(nextTickHandler, 0);
|
|
};
|
|
}
|
|
|
|
return function queueNextTick (cb, ctx) {
|
|
var _resolve;
|
|
callbacks.push(function () {
|
|
if (cb) { cb.call(ctx); }
|
|
if (_resolve) { _resolve(ctx); }
|
|
});
|
|
if (!pending) {
|
|
pending = true;
|
|
timerFunc();
|
|
}
|
|
if (!cb && typeof Promise !== 'undefined') {
|
|
return new Promise(function (resolve) {
|
|
_resolve = resolve;
|
|
})
|
|
}
|
|
}
|
|
})();
|
|
|
|
var _Set;
|
|
/* istanbul ignore if */
|
|
if (typeof Set !== 'undefined' && isNative(Set)) {
|
|
// use native Set when available.
|
|
_Set = Set;
|
|
} else {
|
|
// a non-standard Set polyfill that only works with primitive keys.
|
|
_Set = (function () {
|
|
function Set () {
|
|
this.set = Object.create(null);
|
|
}
|
|
Set.prototype.has = function has (key) {
|
|
return this.set[key] === true
|
|
};
|
|
Set.prototype.add = function add (key) {
|
|
this.set[key] = true;
|
|
};
|
|
Set.prototype.clear = function clear () {
|
|
this.set = Object.create(null);
|
|
};
|
|
|
|
return Set;
|
|
}());
|
|
}
|
|
|
|
/* */
|
|
|
|
function baseWarn (msg) {
|
|
console.error(("[Vue parser]: " + msg));
|
|
}
|
|
|
|
function pluckModuleFunction (
|
|
modules,
|
|
key
|
|
) {
|
|
return modules
|
|
? modules.map(function (m) { return m[key]; }).filter(function (_) { return _; })
|
|
: []
|
|
}
|
|
|
|
function addProp (el, name, value) {
|
|
(el.props || (el.props = [])).push({ name: name, value: value });
|
|
}
|
|
|
|
function addAttr (el, name, value) {
|
|
(el.attrs || (el.attrs = [])).push({ name: name, value: value });
|
|
}
|
|
|
|
function addDirective (
|
|
el,
|
|
name,
|
|
rawName,
|
|
value,
|
|
arg,
|
|
modifiers
|
|
) {
|
|
(el.directives || (el.directives = [])).push({ name: name, rawName: rawName, value: value, arg: arg, modifiers: modifiers });
|
|
}
|
|
|
|
function addHandler (
|
|
el,
|
|
name,
|
|
value,
|
|
modifiers,
|
|
important
|
|
) {
|
|
// check capture modifier
|
|
if (modifiers && modifiers.capture) {
|
|
delete modifiers.capture;
|
|
name = '!' + name; // mark the event as captured
|
|
}
|
|
if (modifiers && modifiers.once) {
|
|
delete modifiers.once;
|
|
name = '~' + name; // mark the event as once
|
|
}
|
|
var events;
|
|
if (modifiers && modifiers.native) {
|
|
delete modifiers.native;
|
|
events = el.nativeEvents || (el.nativeEvents = {});
|
|
} else {
|
|
events = el.events || (el.events = {});
|
|
}
|
|
var newHandler = { value: value, modifiers: modifiers };
|
|
var handlers = events[name];
|
|
/* istanbul ignore if */
|
|
if (Array.isArray(handlers)) {
|
|
important ? handlers.unshift(newHandler) : handlers.push(newHandler);
|
|
} else if (handlers) {
|
|
events[name] = important ? [newHandler, handlers] : [handlers, newHandler];
|
|
} else {
|
|
events[name] = newHandler;
|
|
}
|
|
}
|
|
|
|
function getBindingAttr (
|
|
el,
|
|
name,
|
|
getStatic
|
|
) {
|
|
var dynamicValue =
|
|
getAndRemoveAttr(el, ':' + name) ||
|
|
getAndRemoveAttr(el, 'v-bind:' + name);
|
|
if (dynamicValue != null) {
|
|
return parseFilters(dynamicValue)
|
|
} else if (getStatic !== false) {
|
|
var staticValue = getAndRemoveAttr(el, name);
|
|
if (staticValue != null) {
|
|
return JSON.stringify(staticValue)
|
|
}
|
|
}
|
|
}
|
|
|
|
function getAndRemoveAttr (el, name) {
|
|
var val;
|
|
if ((val = el.attrsMap[name]) != null) {
|
|
var list = el.attrsList;
|
|
for (var i = 0, l = list.length; i < l; i++) {
|
|
if (list[i].name === name) {
|
|
list.splice(i, 1);
|
|
break
|
|
}
|
|
}
|
|
}
|
|
return val
|
|
}
|
|
|
|
var len;
|
|
var str;
|
|
var chr;
|
|
var index;
|
|
var expressionPos;
|
|
var expressionEndPos;
|
|
|
|
/**
|
|
* 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]]
|
|
*
|
|
*/
|
|
|
|
function parseModel (val) {
|
|
str = val;
|
|
len = str.length;
|
|
index = expressionPos = expressionEndPos = 0;
|
|
|
|
if (val.indexOf('[') < 0 || val.lastIndexOf(']') < len - 1) {
|
|
return {
|
|
exp: val,
|
|
idx: null
|
|
}
|
|
}
|
|
|
|
while (!eof()) {
|
|
chr = next();
|
|
/* istanbul ignore if */
|
|
if (isStringStart(chr)) {
|
|
parseString(chr);
|
|
} else if (chr === 0x5B) {
|
|
parseBracket(chr);
|
|
}
|
|
}
|
|
|
|
return {
|
|
exp: val.substring(0, expressionPos),
|
|
idx: val.substring(expressionPos + 1, expressionEndPos)
|
|
}
|
|
}
|
|
|
|
function next () {
|
|
return str.charCodeAt(++index)
|
|
}
|
|
|
|
function eof () {
|
|
return index >= len
|
|
}
|
|
|
|
function isStringStart (chr) {
|
|
return chr === 0x22 || chr === 0x27
|
|
}
|
|
|
|
function parseBracket (chr) {
|
|
var inBracket = 1;
|
|
expressionPos = index;
|
|
while (!eof()) {
|
|
chr = next();
|
|
if (isStringStart(chr)) {
|
|
parseString(chr);
|
|
continue
|
|
}
|
|
if (chr === 0x5B) { inBracket++; }
|
|
if (chr === 0x5D) { inBracket--; }
|
|
if (inBracket === 0) {
|
|
expressionEndPos = index;
|
|
break
|
|
}
|
|
}
|
|
}
|
|
|
|
function parseString (chr) {
|
|
var stringQuote = chr;
|
|
while (!eof()) {
|
|
chr = next();
|
|
if (chr === stringQuote) {
|
|
break
|
|
}
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
var dirRE = /^v-|^@|^:/;
|
|
var forAliasRE = /(.*?)\s+(?:in|of)\s+(.*)/;
|
|
var forIteratorRE = /\((\{[^}]*\}|[^,]*),([^,]*)(?:,([^,]*))?\)/;
|
|
var bindRE = /^:|^v-bind:/;
|
|
var onRE = /^@|^v-on:/;
|
|
var argRE = /:(.*)$/;
|
|
var modifierRE = /\.[^.]+/g;
|
|
|
|
var decodeHTMLCached = cached(he.decode);
|
|
|
|
// configurable state
|
|
var warn$1;
|
|
var platformGetTagNamespace;
|
|
var platformMustUseProp;
|
|
var platformIsPreTag;
|
|
var preTransforms;
|
|
var transforms;
|
|
var postTransforms;
|
|
var delimiters;
|
|
|
|
/**
|
|
* Convert HTML string to AST.
|
|
*/
|
|
function parse (
|
|
template,
|
|
options
|
|
) {
|
|
warn$1 = options.warn || baseWarn;
|
|
platformGetTagNamespace = options.getTagNamespace || no;
|
|
platformMustUseProp = options.mustUseProp || no;
|
|
platformIsPreTag = options.isPreTag || no;
|
|
preTransforms = pluckModuleFunction(options.modules, 'preTransformNode');
|
|
transforms = pluckModuleFunction(options.modules, 'transformNode');
|
|
postTransforms = pluckModuleFunction(options.modules, 'postTransformNode');
|
|
delimiters = options.delimiters;
|
|
var stack = [];
|
|
var preserveWhitespace = options.preserveWhitespace !== false;
|
|
var root;
|
|
var currentParent;
|
|
var inVPre = false;
|
|
var inPre = false;
|
|
var warned = false;
|
|
parseHTML(template, {
|
|
expectHTML: options.expectHTML,
|
|
isUnaryTag: options.isUnaryTag,
|
|
shouldDecodeNewlines: options.shouldDecodeNewlines,
|
|
start: function start (tag, attrs, unary) {
|
|
// check namespace.
|
|
// inherit parent ns if there is one
|
|
var ns = (currentParent && currentParent.ns) || platformGetTagNamespace(tag);
|
|
|
|
// handle IE svg bug
|
|
/* istanbul ignore if */
|
|
if (isIE && ns === 'svg') {
|
|
attrs = guardIESVGBug(attrs);
|
|
}
|
|
|
|
var element = {
|
|
type: 1,
|
|
tag: tag,
|
|
attrsList: attrs,
|
|
attrsMap: makeAttrsMap(attrs),
|
|
parent: currentParent,
|
|
children: []
|
|
};
|
|
if (ns) {
|
|
element.ns = ns;
|
|
}
|
|
|
|
if (isForbiddenTag(element) && !isServerRendering()) {
|
|
element.forbidden = true;
|
|
process.env.NODE_ENV !== 'production' && warn$1(
|
|
'Templates should only be responsible for mapping the state to the ' +
|
|
'UI. Avoid placing tags with side-effects in your templates, such as ' +
|
|
"<" + tag + ">."
|
|
);
|
|
}
|
|
|
|
// apply pre-transforms
|
|
for (var i = 0; i < preTransforms.length; i++) {
|
|
preTransforms[i](element, options);
|
|
}
|
|
|
|
if (!inVPre) {
|
|
processPre(element);
|
|
if (element.pre) {
|
|
inVPre = true;
|
|
}
|
|
}
|
|
if (platformIsPreTag(element.tag)) {
|
|
inPre = true;
|
|
}
|
|
if (inVPre) {
|
|
processRawAttrs(element);
|
|
} else {
|
|
processFor(element);
|
|
processIf(element);
|
|
processOnce(element);
|
|
processKey(element);
|
|
|
|
// determine whether this is a plain element after
|
|
// removing structural attributes
|
|
element.plain = !element.key && !attrs.length;
|
|
|
|
processRef(element);
|
|
processSlot(element);
|
|
processComponent(element);
|
|
for (var i$1 = 0; i$1 < transforms.length; i$1++) {
|
|
transforms[i$1](element, options);
|
|
}
|
|
processAttrs(element);
|
|
}
|
|
|
|
function checkRootConstraints (el) {
|
|
if (process.env.NODE_ENV !== 'production' && !warned) {
|
|
if (el.tag === 'slot' || el.tag === 'template') {
|
|
warned = true;
|
|
warn$1(
|
|
"Cannot use <" + (el.tag) + "> as component root element because it may " +
|
|
'contain multiple nodes:\n' + template
|
|
);
|
|
}
|
|
if (el.attrsMap.hasOwnProperty('v-for')) {
|
|
warned = true;
|
|
warn$1(
|
|
'Cannot use v-for on stateful component root element because ' +
|
|
'it renders multiple elements:\n' + template
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
// tree management
|
|
if (!root) {
|
|
root = element;
|
|
checkRootConstraints(root);
|
|
} else if (!stack.length) {
|
|
// allow root elements with v-if, v-else-if and v-else
|
|
if (root.if && (element.elseif || element.else)) {
|
|
checkRootConstraints(element);
|
|
addIfCondition(root, {
|
|
exp: element.elseif,
|
|
block: element
|
|
});
|
|
} else if (process.env.NODE_ENV !== 'production' && !warned) {
|
|
warned = true;
|
|
warn$1(
|
|
"Component template should contain exactly one root element:" +
|
|
"\n\n" + template + "\n\n" +
|
|
"If you are using v-if on multiple elements, " +
|
|
"use v-else-if to chain them instead."
|
|
);
|
|
}
|
|
}
|
|
if (currentParent && !element.forbidden) {
|
|
if (element.elseif || element.else) {
|
|
processIfConditions(element, currentParent);
|
|
} else if (element.slotScope) { // scoped slot
|
|
currentParent.plain = false;
|
|
var name = element.slotTarget || 'default';(currentParent.scopedSlots || (currentParent.scopedSlots = {}))[name] = element;
|
|
} else {
|
|
currentParent.children.push(element);
|
|
element.parent = currentParent;
|
|
}
|
|
}
|
|
if (!unary) {
|
|
currentParent = element;
|
|
stack.push(element);
|
|
}
|
|
// apply post-transforms
|
|
for (var i$2 = 0; i$2 < postTransforms.length; i$2++) {
|
|
postTransforms[i$2](element, options);
|
|
}
|
|
},
|
|
|
|
end: function end () {
|
|
// remove trailing whitespace
|
|
var element = stack[stack.length - 1];
|
|
var lastNode = element.children[element.children.length - 1];
|
|
if (lastNode && lastNode.type === 3 && lastNode.text === ' ') {
|
|
element.children.pop();
|
|
}
|
|
// pop stack
|
|
stack.length -= 1;
|
|
currentParent = stack[stack.length - 1];
|
|
// check pre state
|
|
if (element.pre) {
|
|
inVPre = false;
|
|
}
|
|
if (platformIsPreTag(element.tag)) {
|
|
inPre = false;
|
|
}
|
|
},
|
|
|
|
chars: function chars (text) {
|
|
if (!currentParent) {
|
|
if (process.env.NODE_ENV !== 'production' && !warned && text === template) {
|
|
warned = true;
|
|
warn$1(
|
|
'Component template requires a root element, rather than just text:\n\n' + template
|
|
);
|
|
}
|
|
return
|
|
}
|
|
// IE textarea placeholder bug
|
|
/* istanbul ignore if */
|
|
if (isIE &&
|
|
currentParent.tag === 'textarea' &&
|
|
currentParent.attrsMap.placeholder === text) {
|
|
return
|
|
}
|
|
text = inPre || text.trim()
|
|
? decodeHTMLCached(text)
|
|
// only preserve whitespace if its not right after a starting tag
|
|
: preserveWhitespace && currentParent.children.length ? ' ' : '';
|
|
if (text) {
|
|
var expression;
|
|
if (!inVPre && text !== ' ' && (expression = parseText(text, delimiters))) {
|
|
currentParent.children.push({
|
|
type: 2,
|
|
expression: expression,
|
|
text: text
|
|
});
|
|
} else {
|
|
currentParent.children.push({
|
|
type: 3,
|
|
text: text
|
|
});
|
|
}
|
|
}
|
|
}
|
|
});
|
|
return root
|
|
}
|
|
|
|
function processPre (el) {
|
|
if (getAndRemoveAttr(el, 'v-pre') != null) {
|
|
el.pre = true;
|
|
}
|
|
}
|
|
|
|
function processRawAttrs (el) {
|
|
var l = el.attrsList.length;
|
|
if (l) {
|
|
var attrs = el.attrs = new Array(l);
|
|
for (var i = 0; i < l; i++) {
|
|
attrs[i] = {
|
|
name: el.attrsList[i].name,
|
|
value: JSON.stringify(el.attrsList[i].value)
|
|
};
|
|
}
|
|
} else if (!el.pre) {
|
|
// non root node in pre blocks with no attributes
|
|
el.plain = true;
|
|
}
|
|
}
|
|
|
|
function processKey (el) {
|
|
var exp = getBindingAttr(el, 'key');
|
|
if (exp) {
|
|
if (process.env.NODE_ENV !== 'production' && el.tag === 'template') {
|
|
warn$1("<template> cannot be keyed. Place the key on real elements instead.");
|
|
}
|
|
el.key = exp;
|
|
}
|
|
}
|
|
|
|
function processRef (el) {
|
|
var ref = getBindingAttr(el, 'ref');
|
|
if (ref) {
|
|
el.ref = ref;
|
|
el.refInFor = checkInFor(el);
|
|
}
|
|
}
|
|
|
|
function processFor (el) {
|
|
var exp;
|
|
if ((exp = getAndRemoveAttr(el, 'v-for'))) {
|
|
var inMatch = exp.match(forAliasRE);
|
|
if (!inMatch) {
|
|
process.env.NODE_ENV !== 'production' && warn$1(
|
|
("Invalid v-for expression: " + exp)
|
|
);
|
|
return
|
|
}
|
|
el.for = inMatch[2].trim();
|
|
var alias = inMatch[1].trim();
|
|
var iteratorMatch = alias.match(forIteratorRE);
|
|
if (iteratorMatch) {
|
|
el.alias = iteratorMatch[1].trim();
|
|
el.iterator1 = iteratorMatch[2].trim();
|
|
if (iteratorMatch[3]) {
|
|
el.iterator2 = iteratorMatch[3].trim();
|
|
}
|
|
} else {
|
|
el.alias = alias;
|
|
}
|
|
}
|
|
}
|
|
|
|
function processIf (el) {
|
|
var exp = getAndRemoveAttr(el, 'v-if');
|
|
if (exp) {
|
|
el.if = exp;
|
|
addIfCondition(el, {
|
|
exp: exp,
|
|
block: el
|
|
});
|
|
} else {
|
|
if (getAndRemoveAttr(el, 'v-else') != null) {
|
|
el.else = true;
|
|
}
|
|
var elseif = getAndRemoveAttr(el, 'v-else-if');
|
|
if (elseif) {
|
|
el.elseif = elseif;
|
|
}
|
|
}
|
|
}
|
|
|
|
function processIfConditions (el, parent) {
|
|
var prev = findPrevElement(parent.children);
|
|
if (prev && prev.if) {
|
|
addIfCondition(prev, {
|
|
exp: el.elseif,
|
|
block: el
|
|
});
|
|
} else if (process.env.NODE_ENV !== 'production') {
|
|
warn$1(
|
|
"v-" + (el.elseif ? ('else-if="' + el.elseif + '"') : 'else') + " " +
|
|
"used on element <" + (el.tag) + "> without corresponding v-if."
|
|
);
|
|
}
|
|
}
|
|
|
|
function addIfCondition (el, condition) {
|
|
if (!el.ifConditions) {
|
|
el.ifConditions = [];
|
|
}
|
|
el.ifConditions.push(condition);
|
|
}
|
|
|
|
function processOnce (el) {
|
|
var once = getAndRemoveAttr(el, 'v-once');
|
|
if (once != null) {
|
|
el.once = true;
|
|
}
|
|
}
|
|
|
|
function processSlot (el) {
|
|
if (el.tag === 'slot') {
|
|
el.slotName = getBindingAttr(el, 'name');
|
|
if (process.env.NODE_ENV !== 'production' && el.key) {
|
|
warn$1(
|
|
"`key` does not work on <slot> because slots are abstract outlets " +
|
|
"and can possibly expand into multiple elements. " +
|
|
"Use the key on a wrapping element instead."
|
|
);
|
|
}
|
|
} else {
|
|
var slotTarget = getBindingAttr(el, 'slot');
|
|
if (slotTarget) {
|
|
el.slotTarget = slotTarget === '""' ? '"default"' : slotTarget;
|
|
}
|
|
if (el.tag === 'template') {
|
|
el.slotScope = getAndRemoveAttr(el, 'scope');
|
|
}
|
|
}
|
|
}
|
|
|
|
function processComponent (el) {
|
|
var binding;
|
|
if ((binding = getBindingAttr(el, 'is'))) {
|
|
el.component = binding;
|
|
}
|
|
if (getAndRemoveAttr(el, 'inline-template') != null) {
|
|
el.inlineTemplate = true;
|
|
}
|
|
}
|
|
|
|
function processAttrs (el) {
|
|
var list = el.attrsList;
|
|
var i, l, name, rawName, value, arg, modifiers, isProp;
|
|
for (i = 0, l = list.length; i < l; i++) {
|
|
name = rawName = list[i].name;
|
|
value = list[i].value;
|
|
if (dirRE.test(name)) {
|
|
// mark element as dynamic
|
|
el.hasBindings = true;
|
|
// modifiers
|
|
modifiers = parseModifiers(name);
|
|
if (modifiers) {
|
|
name = name.replace(modifierRE, '');
|
|
}
|
|
if (bindRE.test(name)) { // v-bind
|
|
name = name.replace(bindRE, '');
|
|
value = parseFilters(value);
|
|
isProp = false;
|
|
if (modifiers) {
|
|
if (modifiers.prop) {
|
|
isProp = true;
|
|
name = camelize(name);
|
|
if (name === 'innerHtml') { name = 'innerHTML'; }
|
|
}
|
|
if (modifiers.camel) {
|
|
name = camelize(name);
|
|
}
|
|
}
|
|
if (isProp || platformMustUseProp(el.tag, name)) {
|
|
addProp(el, name, value);
|
|
} else {
|
|
addAttr(el, name, value);
|
|
}
|
|
} else if (onRE.test(name)) { // v-on
|
|
name = name.replace(onRE, '');
|
|
addHandler(el, name, value, modifiers);
|
|
} else { // normal directives
|
|
name = name.replace(dirRE, '');
|
|
// parse arg
|
|
var argMatch = name.match(argRE);
|
|
if (argMatch && (arg = argMatch[1])) {
|
|
name = name.slice(0, -(arg.length + 1));
|
|
}
|
|
addDirective(el, name, rawName, value, arg, modifiers);
|
|
if (process.env.NODE_ENV !== 'production' && name === 'model') {
|
|
checkForAliasModel(el, value);
|
|
}
|
|
}
|
|
} else {
|
|
// literal attribute
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
var expression = parseText(value, delimiters);
|
|
if (expression) {
|
|
warn$1(
|
|
name + "=\"" + value + "\": " +
|
|
'Interpolation inside attributes has been removed. ' +
|
|
'Use v-bind or the colon shorthand instead. For example, ' +
|
|
'instead of <div id="{{ val }}">, use <div :id="val">.'
|
|
);
|
|
}
|
|
}
|
|
addAttr(el, name, JSON.stringify(value));
|
|
}
|
|
}
|
|
}
|
|
|
|
function checkInFor (el) {
|
|
var parent = el;
|
|
while (parent) {
|
|
if (parent.for !== undefined) {
|
|
return true
|
|
}
|
|
parent = parent.parent;
|
|
}
|
|
return false
|
|
}
|
|
|
|
function parseModifiers (name) {
|
|
var match = name.match(modifierRE);
|
|
if (match) {
|
|
var ret = {};
|
|
match.forEach(function (m) { ret[m.slice(1)] = true; });
|
|
return ret
|
|
}
|
|
}
|
|
|
|
function makeAttrsMap (attrs) {
|
|
var map = {};
|
|
for (var i = 0, l = attrs.length; i < l; i++) {
|
|
if (process.env.NODE_ENV !== 'production' && map[attrs[i].name] && !isIE) {
|
|
warn$1('duplicate attribute: ' + attrs[i].name);
|
|
}
|
|
map[attrs[i].name] = attrs[i].value;
|
|
}
|
|
return map
|
|
}
|
|
|
|
function findPrevElement (children) {
|
|
var i = children.length;
|
|
while (i--) {
|
|
if (children[i].tag) { return children[i] }
|
|
}
|
|
}
|
|
|
|
function isForbiddenTag (el) {
|
|
return (
|
|
el.tag === 'style' ||
|
|
(el.tag === 'script' && (
|
|
!el.attrsMap.type ||
|
|
el.attrsMap.type === 'text/javascript'
|
|
))
|
|
)
|
|
}
|
|
|
|
var ieNSBug = /^xmlns:NS\d+/;
|
|
var ieNSPrefix = /^NS\d+:/;
|
|
|
|
/* istanbul ignore next */
|
|
function guardIESVGBug (attrs) {
|
|
var res = [];
|
|
for (var i = 0; i < attrs.length; i++) {
|
|
var attr = attrs[i];
|
|
if (!ieNSBug.test(attr.name)) {
|
|
attr.name = attr.name.replace(ieNSPrefix, '');
|
|
res.push(attr);
|
|
}
|
|
}
|
|
return res
|
|
}
|
|
|
|
function checkForAliasModel (el, value) {
|
|
var _el = el;
|
|
while (_el) {
|
|
if (_el.for && _el.alias === value) {
|
|
warn$1(
|
|
"<" + (el.tag) + " v-model=\"" + value + "\">: " +
|
|
"You are binding v-model directly to a v-for iteration alias. " +
|
|
"This will not be able to modify the v-for source array because " +
|
|
"writing to the alias is like modifying a function local variable. " +
|
|
"Consider using an array of objects and use v-model on an object property instead."
|
|
);
|
|
}
|
|
_el = _el.parent;
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
var isStaticKey;
|
|
var isPlatformReservedTag;
|
|
|
|
var genStaticKeysCached = cached(genStaticKeys$1);
|
|
|
|
/**
|
|
* Goal of the optimizer: walk the generated template AST tree
|
|
* and detect sub-trees that are purely static, i.e. parts of
|
|
* the DOM that never needs to change.
|
|
*
|
|
* Once we detect these sub-trees, we can:
|
|
*
|
|
* 1. Hoist them into constants, so that we no longer need to
|
|
* create fresh nodes for them on each re-render;
|
|
* 2. Completely skip them in the patching process.
|
|
*/
|
|
function optimize (root, options) {
|
|
if (!root) { return }
|
|
isStaticKey = genStaticKeysCached(options.staticKeys || '');
|
|
isPlatformReservedTag = options.isReservedTag || no;
|
|
// first pass: mark all non-static nodes.
|
|
markStatic(root);
|
|
// second pass: mark static roots.
|
|
markStaticRoots(root, false);
|
|
}
|
|
|
|
function genStaticKeys$1 (keys) {
|
|
return makeMap(
|
|
'type,tag,attrsList,attrsMap,plain,parent,children,attrs' +
|
|
(keys ? ',' + keys : '')
|
|
)
|
|
}
|
|
|
|
function markStatic (node) {
|
|
node.static = isStatic(node);
|
|
if (node.type === 1) {
|
|
// do not make component slot content static. this avoids
|
|
// 1. components not able to mutate slot nodes
|
|
// 2. static slot content fails for hot-reloading
|
|
if (
|
|
!isPlatformReservedTag(node.tag) &&
|
|
node.tag !== 'slot' &&
|
|
node.attrsMap['inline-template'] == null
|
|
) {
|
|
return
|
|
}
|
|
for (var i = 0, l = node.children.length; i < l; i++) {
|
|
var child = node.children[i];
|
|
markStatic(child);
|
|
if (!child.static) {
|
|
node.static = false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function markStaticRoots (node, isInFor) {
|
|
if (node.type === 1) {
|
|
if (node.static || node.once) {
|
|
node.staticInFor = isInFor;
|
|
}
|
|
// For a node to qualify as a static root, it should have children that
|
|
// are not just static text. Otherwise the cost of hoisting out will
|
|
// outweigh the benefits and it's better off to just always render it fresh.
|
|
if (node.static && node.children.length && !(
|
|
node.children.length === 1 &&
|
|
node.children[0].type === 3
|
|
)) {
|
|
node.staticRoot = true;
|
|
return
|
|
} else {
|
|
node.staticRoot = false;
|
|
}
|
|
if (node.children) {
|
|
for (var i = 0, l = node.children.length; i < l; i++) {
|
|
markStaticRoots(node.children[i], isInFor || !!node.for);
|
|
}
|
|
}
|
|
if (node.ifConditions) {
|
|
walkThroughConditionsBlocks(node.ifConditions, isInFor);
|
|
}
|
|
}
|
|
}
|
|
|
|
function walkThroughConditionsBlocks (conditionBlocks, isInFor) {
|
|
for (var i = 1, len = conditionBlocks.length; i < len; i++) {
|
|
markStaticRoots(conditionBlocks[i].block, isInFor);
|
|
}
|
|
}
|
|
|
|
function isStatic (node) {
|
|
if (node.type === 2) { // expression
|
|
return false
|
|
}
|
|
if (node.type === 3) { // text
|
|
return true
|
|
}
|
|
return !!(node.pre || (
|
|
!node.hasBindings && // no dynamic bindings
|
|
!node.if && !node.for && // not v-if or v-for or v-else
|
|
!isBuiltInTag(node.tag) && // not a built-in
|
|
isPlatformReservedTag(node.tag) && // not a component
|
|
!isDirectChildOfTemplateFor(node) &&
|
|
Object.keys(node).every(isStaticKey)
|
|
))
|
|
}
|
|
|
|
function isDirectChildOfTemplateFor (node) {
|
|
while (node.parent) {
|
|
node = node.parent;
|
|
if (node.tag !== 'template') {
|
|
return false
|
|
}
|
|
if (node.for) {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
/* */
|
|
|
|
var fnExpRE = /^\s*([\w$_]+|\([^)]*?\))\s*=>|^function\s*\(/;
|
|
var simplePathRE = /^\s*[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['.*?']|\[".*?"]|\[\d+]|\[[A-Za-z_$][\w$]*])*\s*$/;
|
|
|
|
// keyCode aliases
|
|
var keyCodes = {
|
|
esc: 27,
|
|
tab: 9,
|
|
enter: 13,
|
|
space: 32,
|
|
up: 38,
|
|
left: 37,
|
|
right: 39,
|
|
down: 40,
|
|
'delete': [8, 46]
|
|
};
|
|
|
|
var modifierCode = {
|
|
stop: '$event.stopPropagation();',
|
|
prevent: '$event.preventDefault();',
|
|
self: 'if($event.target !== $event.currentTarget)return;',
|
|
ctrl: 'if(!$event.ctrlKey)return;',
|
|
shift: 'if(!$event.shiftKey)return;',
|
|
alt: 'if(!$event.altKey)return;',
|
|
meta: 'if(!$event.metaKey)return;'
|
|
};
|
|
|
|
function genHandlers (events, native) {
|
|
var res = native ? 'nativeOn:{' : 'on:{';
|
|
for (var name in events) {
|
|
res += "\"" + name + "\":" + (genHandler(name, events[name])) + ",";
|
|
}
|
|
return res.slice(0, -1) + '}'
|
|
}
|
|
|
|
function genHandler (
|
|
name,
|
|
handler
|
|
) {
|
|
if (!handler) {
|
|
return 'function(){}'
|
|
} else if (Array.isArray(handler)) {
|
|
return ("[" + (handler.map(function (handler) { return genHandler(name, handler); }).join(',')) + "]")
|
|
} else if (!handler.modifiers) {
|
|
return fnExpRE.test(handler.value) || simplePathRE.test(handler.value)
|
|
? handler.value
|
|
: ("function($event){" + (handler.value) + "}")
|
|
} else {
|
|
var code = '';
|
|
var keys = [];
|
|
for (var key in handler.modifiers) {
|
|
if (modifierCode[key]) {
|
|
code += modifierCode[key];
|
|
} else {
|
|
keys.push(key);
|
|
}
|
|
}
|
|
if (keys.length) {
|
|
code = genKeyFilter(keys) + code;
|
|
}
|
|
var handlerCode = simplePathRE.test(handler.value)
|
|
? handler.value + '($event)'
|
|
: handler.value;
|
|
return 'function($event){' + code + handlerCode + '}'
|
|
}
|
|
}
|
|
|
|
function genKeyFilter (keys) {
|
|
return ("if(" + (keys.map(genFilterCode).join('&&')) + ")return;")
|
|
}
|
|
|
|
function genFilterCode (key) {
|
|
var keyVal = parseInt(key, 10);
|
|
if (keyVal) {
|
|
return ("$event.keyCode!==" + keyVal)
|
|
}
|
|
var alias = keyCodes[key];
|
|
return ("_k($event.keyCode," + (JSON.stringify(key)) + (alias ? ',' + JSON.stringify(alias) : '') + ")")
|
|
}
|
|
|
|
/* */
|
|
|
|
function bind$1 (el, dir) {
|
|
el.wrapData = function (code) {
|
|
return ("_b(" + code + ",'" + (el.tag) + "'," + (dir.value) + (dir.modifiers && dir.modifiers.prop ? ',true' : '') + ")")
|
|
};
|
|
}
|
|
|
|
var baseDirectives = {
|
|
bind: bind$1,
|
|
cloak: noop
|
|
};
|
|
|
|
/* */
|
|
|
|
// configurable state
|
|
var warn$2;
|
|
var transforms$1;
|
|
var dataGenFns;
|
|
var platformDirectives;
|
|
var staticRenderFns;
|
|
var onceCount;
|
|
var currentOptions;
|
|
|
|
function generate (
|
|
ast,
|
|
options
|
|
) {
|
|
// save previous staticRenderFns so generate calls can be nested
|
|
var prevStaticRenderFns = staticRenderFns;
|
|
var currentStaticRenderFns = staticRenderFns = [];
|
|
var prevOnceCount = onceCount;
|
|
onceCount = 0;
|
|
currentOptions = options;
|
|
warn$2 = options.warn || baseWarn;
|
|
transforms$1 = pluckModuleFunction(options.modules, 'transformCode');
|
|
dataGenFns = pluckModuleFunction(options.modules, 'genData');
|
|
platformDirectives = options.directives || {};
|
|
var code = ast ? genElement(ast) : '_c("div")';
|
|
staticRenderFns = prevStaticRenderFns;
|
|
onceCount = prevOnceCount;
|
|
return {
|
|
render: ("with(this){return " + code + "}"),
|
|
staticRenderFns: currentStaticRenderFns
|
|
}
|
|
}
|
|
|
|
function genElement (el) {
|
|
if (el.staticRoot && !el.staticProcessed) {
|
|
return genStatic(el)
|
|
} else if (el.once && !el.onceProcessed) {
|
|
return genOnce(el)
|
|
} else if (el.for && !el.forProcessed) {
|
|
return genFor(el)
|
|
} else if (el.if && !el.ifProcessed) {
|
|
return genIf(el)
|
|
} else if (el.tag === 'template' && !el.slotTarget) {
|
|
return genChildren(el) || 'void 0'
|
|
} else if (el.tag === 'slot') {
|
|
return genSlot(el)
|
|
} else {
|
|
// component or element
|
|
var code;
|
|
if (el.component) {
|
|
code = genComponent(el.component, el);
|
|
} else {
|
|
var data = el.plain ? undefined : genData(el);
|
|
|
|
var children = el.inlineTemplate ? null : genChildren(el, true);
|
|
code = "_c('" + (el.tag) + "'" + (data ? ("," + data) : '') + (children ? ("," + children) : '') + ")";
|
|
}
|
|
// module transforms
|
|
for (var i = 0; i < transforms$1.length; i++) {
|
|
code = transforms$1[i](el, code);
|
|
}
|
|
return code
|
|
}
|
|
}
|
|
|
|
// hoist static sub-trees out
|
|
function genStatic (el) {
|
|
el.staticProcessed = true;
|
|
staticRenderFns.push(("with(this){return " + (genElement(el)) + "}"));
|
|
return ("_m(" + (staticRenderFns.length - 1) + (el.staticInFor ? ',true' : '') + ")")
|
|
}
|
|
|
|
// v-once
|
|
function genOnce (el) {
|
|
el.onceProcessed = true;
|
|
if (el.if && !el.ifProcessed) {
|
|
return genIf(el)
|
|
} else if (el.staticInFor) {
|
|
var key = '';
|
|
var parent = el.parent;
|
|
while (parent) {
|
|
if (parent.for) {
|
|
key = parent.key;
|
|
break
|
|
}
|
|
parent = parent.parent;
|
|
}
|
|
if (!key) {
|
|
process.env.NODE_ENV !== 'production' && warn$2(
|
|
"v-once can only be used inside v-for that is keyed. "
|
|
);
|
|
return genElement(el)
|
|
}
|
|
return ("_o(" + (genElement(el)) + "," + (onceCount++) + (key ? ("," + key) : "") + ")")
|
|
} else {
|
|
return genStatic(el)
|
|
}
|
|
}
|
|
|
|
function genIf (el) {
|
|
el.ifProcessed = true; // avoid recursion
|
|
return genIfConditions(el.ifConditions.slice())
|
|
}
|
|
|
|
function genIfConditions (conditions) {
|
|
if (!conditions.length) {
|
|
return '_e()'
|
|
}
|
|
|
|
var condition = conditions.shift();
|
|
if (condition.exp) {
|
|
return ("(" + (condition.exp) + ")?" + (genTernaryExp(condition.block)) + ":" + (genIfConditions(conditions)))
|
|
} else {
|
|
return ("" + (genTernaryExp(condition.block)))
|
|
}
|
|
|
|
// v-if with v-once should generate code like (a)?_m(0):_m(1)
|
|
function genTernaryExp (el) {
|
|
return el.once ? genOnce(el) : genElement(el)
|
|
}
|
|
}
|
|
|
|
function genFor (el) {
|
|
var exp = el.for;
|
|
var alias = el.alias;
|
|
var iterator1 = el.iterator1 ? ("," + (el.iterator1)) : '';
|
|
var iterator2 = el.iterator2 ? ("," + (el.iterator2)) : '';
|
|
el.forProcessed = true; // avoid recursion
|
|
return "_l((" + exp + ")," +
|
|
"function(" + alias + iterator1 + iterator2 + "){" +
|
|
"return " + (genElement(el)) +
|
|
'})'
|
|
}
|
|
|
|
function genData (el) {
|
|
var data = '{';
|
|
|
|
// directives first.
|
|
// directives may mutate the el's other properties before they are generated.
|
|
var dirs = genDirectives(el);
|
|
if (dirs) { data += dirs + ','; }
|
|
|
|
// key
|
|
if (el.key) {
|
|
data += "key:" + (el.key) + ",";
|
|
}
|
|
// ref
|
|
if (el.ref) {
|
|
data += "ref:" + (el.ref) + ",";
|
|
}
|
|
if (el.refInFor) {
|
|
data += "refInFor:true,";
|
|
}
|
|
// pre
|
|
if (el.pre) {
|
|
data += "pre:true,";
|
|
}
|
|
// record original tag name for components using "is" attribute
|
|
if (el.component) {
|
|
data += "tag:\"" + (el.tag) + "\",";
|
|
}
|
|
// module data generation functions
|
|
for (var i = 0; i < dataGenFns.length; i++) {
|
|
data += dataGenFns[i](el);
|
|
}
|
|
// attributes
|
|
if (el.attrs) {
|
|
data += "attrs:{" + (genProps(el.attrs)) + "},";
|
|
}
|
|
// DOM props
|
|
if (el.props) {
|
|
data += "domProps:{" + (genProps(el.props)) + "},";
|
|
}
|
|
// event handlers
|
|
if (el.events) {
|
|
data += (genHandlers(el.events)) + ",";
|
|
}
|
|
if (el.nativeEvents) {
|
|
data += (genHandlers(el.nativeEvents, true)) + ",";
|
|
}
|
|
// slot target
|
|
if (el.slotTarget) {
|
|
data += "slot:" + (el.slotTarget) + ",";
|
|
}
|
|
// scoped slots
|
|
if (el.scopedSlots) {
|
|
data += (genScopedSlots(el.scopedSlots)) + ",";
|
|
}
|
|
// inline-template
|
|
if (el.inlineTemplate) {
|
|
var inlineTemplate = genInlineTemplate(el);
|
|
if (inlineTemplate) {
|
|
data += inlineTemplate + ",";
|
|
}
|
|
}
|
|
data = data.replace(/,$/, '') + '}';
|
|
// v-bind data wrap
|
|
if (el.wrapData) {
|
|
data = el.wrapData(data);
|
|
}
|
|
return data
|
|
}
|
|
|
|
function genDirectives (el) {
|
|
var dirs = el.directives;
|
|
if (!dirs) { return }
|
|
var res = 'directives:[';
|
|
var hasRuntime = false;
|
|
var i, l, dir, needRuntime;
|
|
for (i = 0, l = dirs.length; i < l; i++) {
|
|
dir = dirs[i];
|
|
needRuntime = true;
|
|
var gen = platformDirectives[dir.name] || baseDirectives[dir.name];
|
|
if (gen) {
|
|
// compile-time directive that manipulates AST.
|
|
// returns true if it also needs a runtime counterpart.
|
|
needRuntime = !!gen(el, dir, warn$2);
|
|
}
|
|
if (needRuntime) {
|
|
hasRuntime = true;
|
|
res += "{name:\"" + (dir.name) + "\",rawName:\"" + (dir.rawName) + "\"" + (dir.value ? (",value:(" + (dir.value) + "),expression:" + (JSON.stringify(dir.value))) : '') + (dir.arg ? (",arg:\"" + (dir.arg) + "\"") : '') + (dir.modifiers ? (",modifiers:" + (JSON.stringify(dir.modifiers))) : '') + "},";
|
|
}
|
|
}
|
|
if (hasRuntime) {
|
|
return res.slice(0, -1) + ']'
|
|
}
|
|
}
|
|
|
|
function genInlineTemplate (el) {
|
|
var ast = el.children[0];
|
|
if (process.env.NODE_ENV !== 'production' && (
|
|
el.children.length > 1 || ast.type !== 1
|
|
)) {
|
|
warn$2('Inline-template components must have exactly one child element.');
|
|
}
|
|
if (ast.type === 1) {
|
|
var inlineRenderFns = generate(ast, currentOptions);
|
|
return ("inlineTemplate:{render:function(){" + (inlineRenderFns.render) + "},staticRenderFns:[" + (inlineRenderFns.staticRenderFns.map(function (code) { return ("function(){" + code + "}"); }).join(',')) + "]}")
|
|
}
|
|
}
|
|
|
|
function genScopedSlots (slots) {
|
|
return ("scopedSlots:{" + (Object.keys(slots).map(function (key) { return genScopedSlot(key, slots[key]); }).join(',')) + "}")
|
|
}
|
|
|
|
function genScopedSlot (key, el) {
|
|
return key + ":function(" + (String(el.attrsMap.scope)) + "){" +
|
|
"return " + (el.tag === 'template'
|
|
? genChildren(el) || 'void 0'
|
|
: genElement(el)) + "}"
|
|
}
|
|
|
|
function genChildren (el, checkSkip) {
|
|
var children = el.children;
|
|
if (children.length) {
|
|
var el$1 = children[0];
|
|
// optimize single v-for
|
|
if (children.length === 1 &&
|
|
el$1.for &&
|
|
el$1.tag !== 'template' &&
|
|
el$1.tag !== 'slot') {
|
|
return genElement(el$1)
|
|
}
|
|
return ("[" + (children.map(genNode).join(',')) + "]" + (checkSkip
|
|
? canSkipNormalization(children) ? '' : ',true'
|
|
: ''))
|
|
}
|
|
}
|
|
|
|
function canSkipNormalization (children) {
|
|
for (var i = 0; i < children.length; i++) {
|
|
var el = children[i];
|
|
if (needsNormalization(el) ||
|
|
(el.if && el.ifConditions.some(function (c) { return needsNormalization(c.block); }))) {
|
|
return false
|
|
}
|
|
}
|
|
return true
|
|
}
|
|
|
|
function needsNormalization (el) {
|
|
return el.for || el.tag === 'template' || el.tag === 'slot'
|
|
}
|
|
|
|
function genNode (node) {
|
|
if (node.type === 1) {
|
|
return genElement(node)
|
|
} else {
|
|
return genText(node)
|
|
}
|
|
}
|
|
|
|
function genText (text) {
|
|
return ("_v(" + (text.type === 2
|
|
? text.expression // no need for () because already wrapped in _s()
|
|
: transformSpecialNewlines(JSON.stringify(text.text))) + ")")
|
|
}
|
|
|
|
function genSlot (el) {
|
|
var slotName = el.slotName || '"default"';
|
|
var children = genChildren(el);
|
|
return ("_t(" + slotName + (children ? ("," + children) : '') + (el.attrs ? ((children ? '' : ',null') + ",{" + (el.attrs.map(function (a) { return ((camelize(a.name)) + ":" + (a.value)); }).join(',')) + "}") : '') + ")")
|
|
}
|
|
|
|
// componentName is el.component, take it as argument to shun flow's pessimistic refinement
|
|
function genComponent (componentName, el) {
|
|
var children = el.inlineTemplate ? null : genChildren(el, true);
|
|
return ("_c(" + componentName + "," + (genData(el)) + (children ? ("," + children) : '') + ")")
|
|
}
|
|
|
|
function genProps (props) {
|
|
var res = '';
|
|
for (var i = 0; i < props.length; i++) {
|
|
var prop = props[i];
|
|
res += "\"" + (prop.name) + "\":" + (transformSpecialNewlines(prop.value)) + ",";
|
|
}
|
|
return res.slice(0, -1)
|
|
}
|
|
|
|
// #3895, #4268
|
|
function transformSpecialNewlines (text) {
|
|
return text
|
|
.replace(/\u2028/g, '\\u2028')
|
|
.replace(/\u2029/g, '\\u2029')
|
|
}
|
|
|
|
/* */
|
|
|
|
/**
|
|
* Compile a template.
|
|
*/
|
|
function compile$2 (
|
|
template,
|
|
options
|
|
) {
|
|
var ast = parse(template.trim(), options);
|
|
optimize(ast, options);
|
|
var code = generate(ast, options);
|
|
return {
|
|
ast: ast,
|
|
render: code.render,
|
|
staticRenderFns: code.staticRenderFns
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
// operators like typeof, instanceof and in are allowed
|
|
var prohibitedKeywordRE = new RegExp('\\b' + (
|
|
'do,if,for,let,new,try,var,case,else,with,await,break,catch,class,const,' +
|
|
'super,throw,while,yield,delete,export,import,return,switch,default,' +
|
|
'extends,finally,continue,debugger,function,arguments'
|
|
).split(',').join('\\b|\\b') + '\\b');
|
|
// check valid identifier for v-for
|
|
var identRE = /[A-Za-z_$][\w$]*/;
|
|
// strip strings in expressions
|
|
var stripStringRE = /'(?:[^'\\]|\\.)*'|"(?:[^"\\]|\\.)*"|`(?:[^`\\]|\\.)*\$\{|\}(?:[^`\\]|\\.)*`|`(?:[^`\\]|\\.)*`/g;
|
|
|
|
// detect problematic expressions in a template
|
|
function detectErrors (ast) {
|
|
var errors = [];
|
|
if (ast) {
|
|
checkNode(ast, errors);
|
|
}
|
|
return errors
|
|
}
|
|
|
|
function checkNode (node, errors) {
|
|
if (node.type === 1) {
|
|
for (var name in node.attrsMap) {
|
|
if (dirRE.test(name)) {
|
|
var value = node.attrsMap[name];
|
|
if (value) {
|
|
if (name === 'v-for') {
|
|
checkFor(node, ("v-for=\"" + value + "\""), errors);
|
|
} else {
|
|
checkExpression(value, (name + "=\"" + value + "\""), errors);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (node.children) {
|
|
for (var i = 0; i < node.children.length; i++) {
|
|
checkNode(node.children[i], errors);
|
|
}
|
|
}
|
|
} else if (node.type === 2) {
|
|
checkExpression(node.expression, node.text, errors);
|
|
}
|
|
}
|
|
|
|
function checkFor (node, text, errors) {
|
|
checkExpression(node.for || '', text, errors);
|
|
checkIdentifier(node.alias, 'v-for alias', text, errors);
|
|
checkIdentifier(node.iterator1, 'v-for iterator', text, errors);
|
|
checkIdentifier(node.iterator2, 'v-for iterator', text, errors);
|
|
}
|
|
|
|
function checkIdentifier (ident, type, text, errors) {
|
|
if (typeof ident === 'string' && !identRE.test(ident)) {
|
|
errors.push(("- invalid " + type + " \"" + ident + "\" in expression: " + text));
|
|
}
|
|
}
|
|
|
|
function checkExpression (exp, text, errors) {
|
|
try {
|
|
new Function(("return " + exp));
|
|
} catch (e) {
|
|
var keywordMatch = exp.replace(stripStringRE, '').match(prohibitedKeywordRE);
|
|
if (keywordMatch) {
|
|
errors.push(
|
|
"- avoid using JavaScript keyword as property name: " +
|
|
"\"" + (keywordMatch[0]) + "\" in expression " + text
|
|
);
|
|
} else {
|
|
errors.push(("- invalid expression: " + text));
|
|
}
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
function transformNode (el, options) {
|
|
var warn = options.warn || baseWarn;
|
|
var staticClass = getAndRemoveAttr(el, 'class');
|
|
if (process.env.NODE_ENV !== 'production' && staticClass) {
|
|
var expression = parseText(staticClass, options.delimiters);
|
|
if (expression) {
|
|
warn(
|
|
"class=\"" + staticClass + "\": " +
|
|
'Interpolation inside attributes has been removed. ' +
|
|
'Use v-bind or the colon shorthand instead. For example, ' +
|
|
'instead of <div class="{{ val }}">, use <div :class="val">.'
|
|
);
|
|
}
|
|
}
|
|
if (staticClass) {
|
|
el.staticClass = JSON.stringify(staticClass);
|
|
}
|
|
var classBinding = getBindingAttr(el, 'class', false /* getStatic */);
|
|
if (classBinding) {
|
|
el.classBinding = classBinding;
|
|
}
|
|
}
|
|
|
|
function genData$1 (el) {
|
|
var data = '';
|
|
if (el.staticClass) {
|
|
data += "staticClass:" + (el.staticClass) + ",";
|
|
}
|
|
if (el.classBinding) {
|
|
data += "class:" + (el.classBinding) + ",";
|
|
}
|
|
return data
|
|
}
|
|
|
|
var klass = {
|
|
staticKeys: ['staticClass'],
|
|
transformNode: transformNode,
|
|
genData: genData$1
|
|
};
|
|
|
|
/* */
|
|
|
|
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 transformNode$1 (el, options) {
|
|
var warn = options.warn || baseWarn;
|
|
var staticStyle = getAndRemoveAttr(el, 'style');
|
|
if (staticStyle) {
|
|
/* istanbul ignore if */
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
var expression = parseText(staticStyle, options.delimiters);
|
|
if (expression) {
|
|
warn(
|
|
"style=\"" + staticStyle + "\": " +
|
|
'Interpolation inside attributes has been removed. ' +
|
|
'Use v-bind or the colon shorthand instead. For example, ' +
|
|
'instead of <div style="{{ val }}">, use <div :style="val">.'
|
|
);
|
|
}
|
|
}
|
|
el.staticStyle = JSON.stringify(parseStyleText(staticStyle));
|
|
}
|
|
|
|
var styleBinding = getBindingAttr(el, 'style', false /* getStatic */);
|
|
if (styleBinding) {
|
|
el.styleBinding = styleBinding;
|
|
}
|
|
}
|
|
|
|
function genData$2 (el) {
|
|
var data = '';
|
|
if (el.staticStyle) {
|
|
data += "staticStyle:" + (el.staticStyle) + ",";
|
|
}
|
|
if (el.styleBinding) {
|
|
data += "style:(" + (el.styleBinding) + "),";
|
|
}
|
|
return data
|
|
}
|
|
|
|
var style = {
|
|
staticKeys: ['staticStyle'],
|
|
transformNode: transformNode$1,
|
|
genData: genData$2
|
|
};
|
|
|
|
var modules = [
|
|
klass,
|
|
style
|
|
];
|
|
|
|
/* */
|
|
|
|
var warn$3;
|
|
|
|
function model (
|
|
el,
|
|
dir,
|
|
_warn
|
|
) {
|
|
warn$3 = _warn;
|
|
var value = dir.value;
|
|
var modifiers = dir.modifiers;
|
|
var tag = el.tag;
|
|
var type = el.attrsMap.type;
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
var dynamicType = el.attrsMap['v-bind:type'] || el.attrsMap[':type'];
|
|
if (tag === 'input' && dynamicType) {
|
|
warn$3(
|
|
"<input :type=\"" + dynamicType + "\" v-model=\"" + value + "\">:\n" +
|
|
"v-model does not support dynamic input types. Use v-if branches instead."
|
|
);
|
|
}
|
|
}
|
|
if (tag === 'select') {
|
|
genSelect(el, value, modifiers);
|
|
} else if (tag === 'input' && type === 'checkbox') {
|
|
genCheckboxModel(el, value, modifiers);
|
|
} else if (tag === 'input' && type === 'radio') {
|
|
genRadioModel(el, value, modifiers);
|
|
} else {
|
|
genDefaultModel(el, value, modifiers);
|
|
}
|
|
// ensure runtime directive metadata
|
|
return true
|
|
}
|
|
|
|
function genCheckboxModel (
|
|
el,
|
|
value,
|
|
modifiers
|
|
) {
|
|
if (process.env.NODE_ENV !== 'production' &&
|
|
el.attrsMap.checked != null) {
|
|
warn$3(
|
|
"<" + (el.tag) + " v-model=\"" + value + "\" checked>:\n" +
|
|
"inline checked attributes will be ignored when using v-model. " +
|
|
'Declare initial values in the component\'s data option instead.'
|
|
);
|
|
}
|
|
var number = modifiers && modifiers.number;
|
|
var valueBinding = getBindingAttr(el, 'value') || 'null';
|
|
var trueValueBinding = getBindingAttr(el, 'true-value') || 'true';
|
|
var falseValueBinding = getBindingAttr(el, 'false-value') || 'false';
|
|
addProp(el, 'checked',
|
|
"Array.isArray(" + value + ")" +
|
|
"?_i(" + value + "," + valueBinding + ")>-1" +
|
|
":_q(" + value + "," + trueValueBinding + ")"
|
|
);
|
|
addHandler(el, 'change',
|
|
"var $$a=" + value + "," +
|
|
'$$el=$event.target,' +
|
|
"$$c=$$el.checked?(" + trueValueBinding + "):(" + falseValueBinding + ");" +
|
|
'if(Array.isArray($$a)){' +
|
|
"var $$v=" + (number ? '_n(' + valueBinding + ')' : valueBinding) + "," +
|
|
'$$i=_i($$a,$$v);' +
|
|
"if($$c){$$i<0&&(" + value + "=$$a.concat($$v))}" +
|
|
"else{$$i>-1&&(" + value + "=$$a.slice(0,$$i).concat($$a.slice($$i+1)))}" +
|
|
"}else{" + value + "=$$c}",
|
|
null, true
|
|
);
|
|
}
|
|
|
|
function genRadioModel (
|
|
el,
|
|
value,
|
|
modifiers
|
|
) {
|
|
if (process.env.NODE_ENV !== 'production' &&
|
|
el.attrsMap.checked != null) {
|
|
warn$3(
|
|
"<" + (el.tag) + " v-model=\"" + value + "\" checked>:\n" +
|
|
"inline checked attributes will be ignored when using v-model. " +
|
|
'Declare initial values in the component\'s data option instead.'
|
|
);
|
|
}
|
|
var number = modifiers && modifiers.number;
|
|
var valueBinding = getBindingAttr(el, 'value') || 'null';
|
|
valueBinding = number ? ("_n(" + valueBinding + ")") : valueBinding;
|
|
addProp(el, 'checked', ("_q(" + value + "," + valueBinding + ")"));
|
|
addHandler(el, 'change', genAssignmentCode(value, valueBinding), null, true);
|
|
}
|
|
|
|
function genDefaultModel (
|
|
el,
|
|
value,
|
|
modifiers
|
|
) {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
if (el.tag === 'input' && el.attrsMap.value) {
|
|
warn$3(
|
|
"<" + (el.tag) + " v-model=\"" + value + "\" value=\"" + (el.attrsMap.value) + "\">:\n" +
|
|
'inline value attributes will be ignored when using v-model. ' +
|
|
'Declare initial values in the component\'s data option instead.'
|
|
);
|
|
}
|
|
if (el.tag === 'textarea' && el.children.length) {
|
|
warn$3(
|
|
"<textarea v-model=\"" + value + "\">:\n" +
|
|
'inline content inside <textarea> will be ignored when using v-model. ' +
|
|
'Declare initial values in the component\'s data option instead.'
|
|
);
|
|
}
|
|
}
|
|
|
|
var type = el.attrsMap.type;
|
|
var ref = modifiers || {};
|
|
var lazy = ref.lazy;
|
|
var number = ref.number;
|
|
var trim = ref.trim;
|
|
var event = lazy || (isIE && type === 'range') ? 'change' : 'input';
|
|
var needCompositionGuard = !lazy && type !== 'range';
|
|
var isNative = el.tag === 'input' || el.tag === 'textarea';
|
|
|
|
var valueExpression = isNative
|
|
? ("$event.target.value" + (trim ? '.trim()' : ''))
|
|
: trim ? "(typeof $event === 'string' ? $event.trim() : $event)" : "$event";
|
|
valueExpression = number || type === 'number'
|
|
? ("_n(" + valueExpression + ")")
|
|
: valueExpression;
|
|
|
|
var code = genAssignmentCode(value, valueExpression);
|
|
if (isNative && needCompositionGuard) {
|
|
code = "if($event.target.composing)return;" + code;
|
|
}
|
|
|
|
// inputs with type="file" are read only and setting the input's
|
|
// value will throw an error.
|
|
if (process.env.NODE_ENV !== 'production' &&
|
|
type === 'file') {
|
|
warn$3(
|
|
"<" + (el.tag) + " v-model=\"" + value + "\" type=\"file\">:\n" +
|
|
"File inputs are read only. Use a v-on:change listener instead."
|
|
);
|
|
}
|
|
|
|
addProp(el, 'value', isNative ? ("_s(" + value + ")") : ("(" + value + ")"));
|
|
addHandler(el, event, code, null, true);
|
|
if (trim || number || type === 'number') {
|
|
addHandler(el, 'blur', '$forceUpdate()');
|
|
}
|
|
}
|
|
|
|
function genSelect (
|
|
el,
|
|
value,
|
|
modifiers
|
|
) {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
el.children.some(checkOptionWarning);
|
|
}
|
|
|
|
var number = modifiers && modifiers.number;
|
|
var assignment = "Array.prototype.filter" +
|
|
".call($event.target.options,function(o){return o.selected})" +
|
|
".map(function(o){var val = \"_value\" in o ? o._value : o.value;" +
|
|
"return " + (number ? '_n(val)' : 'val') + "})" +
|
|
(el.attrsMap.multiple == null ? '[0]' : '');
|
|
|
|
var code = genAssignmentCode(value, assignment);
|
|
addHandler(el, 'change', code, null, true);
|
|
}
|
|
|
|
function checkOptionWarning (option) {
|
|
if (option.type === 1 &&
|
|
option.tag === 'option' &&
|
|
option.attrsMap.selected != null) {
|
|
warn$3(
|
|
"<select v-model=\"" + (option.parent.attrsMap['v-model']) + "\">:\n" +
|
|
'inline selected attributes on <option> will be ignored when using v-model. ' +
|
|
'Declare initial values in the component\'s data option instead.'
|
|
);
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
|
|
function genAssignmentCode (value, assignment) {
|
|
var modelRs = parseModel(value);
|
|
if (modelRs.idx === null) {
|
|
return (value + "=" + assignment)
|
|
} else {
|
|
return "var $$exp = " + (modelRs.exp) + ", $$idx = " + (modelRs.idx) + ";" +
|
|
"if (!Array.isArray($$exp)){" +
|
|
value + "=" + assignment + "}" +
|
|
"else{$$exp.splice($$idx, 1, " + assignment + ")}"
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
function text (el, dir) {
|
|
if (dir.value) {
|
|
addProp(el, 'textContent', ("_s(" + (dir.value) + ")"));
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
function html (el, dir) {
|
|
if (dir.value) {
|
|
addProp(el, 'innerHTML', ("_s(" + (dir.value) + ")"));
|
|
}
|
|
}
|
|
|
|
var directives = {
|
|
model: model,
|
|
text: text,
|
|
html: html
|
|
};
|
|
|
|
/* */
|
|
|
|
/**
|
|
* Check if a string starts with $ or _
|
|
*/
|
|
function isReserved (str) {
|
|
var c = (str + '').charCodeAt(0);
|
|
return c === 0x24 || c === 0x5F
|
|
}
|
|
|
|
/**
|
|
* Define a property.
|
|
*/
|
|
function def (obj, key, val, enumerable) {
|
|
Object.defineProperty(obj, key, {
|
|
value: val,
|
|
enumerable: !!enumerable,
|
|
writable: true,
|
|
configurable: true
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Parse simple path.
|
|
*/
|
|
var bailRE = /[^\w.$]/;
|
|
function parsePath (path) {
|
|
if (bailRE.test(path)) {
|
|
return
|
|
} else {
|
|
var segments = path.split('.');
|
|
return function (obj) {
|
|
for (var i = 0; i < segments.length; i++) {
|
|
if (!obj) { return }
|
|
obj = obj[segments[i]];
|
|
}
|
|
return obj
|
|
}
|
|
}
|
|
}
|
|
|
|
/* 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 uid$2 = 0;
|
|
|
|
/**
|
|
* A dep is an observable that can have multiple
|
|
* directives subscribing to it.
|
|
*/
|
|
var Dep = function Dep () {
|
|
this.id = uid$2++;
|
|
this.subs = [];
|
|
};
|
|
|
|
Dep.prototype.addSub = function addSub (sub) {
|
|
this.subs.push(sub);
|
|
};
|
|
|
|
Dep.prototype.removeSub = function removeSub (sub) {
|
|
remove(this.subs, sub);
|
|
};
|
|
|
|
Dep.prototype.depend = function depend () {
|
|
if (Dep.target) {
|
|
Dep.target.addDep(this);
|
|
}
|
|
};
|
|
|
|
Dep.prototype.notify = function notify () {
|
|
// stablize the subscriber list first
|
|
var subs = this.subs.slice();
|
|
for (var i = 0, l = subs.length; i < l; i++) {
|
|
subs[i].update();
|
|
}
|
|
};
|
|
|
|
// the current target watcher being evaluated.
|
|
// this is globally unique because there could be only one
|
|
// watcher being evaluated at any time.
|
|
Dep.target = null;
|
|
var targetStack = [];
|
|
|
|
function pushTarget (_target) {
|
|
if (Dep.target) { targetStack.push(Dep.target); }
|
|
Dep.target = _target;
|
|
}
|
|
|
|
function popTarget () {
|
|
Dep.target = targetStack.pop();
|
|
}
|
|
|
|
/* */
|
|
|
|
|
|
var queue = [];
|
|
var has$1 = {};
|
|
var circular = {};
|
|
var waiting = false;
|
|
var flushing = false;
|
|
var index$1 = 0;
|
|
|
|
/**
|
|
* Reset the scheduler's state.
|
|
*/
|
|
function resetSchedulerState () {
|
|
queue.length = 0;
|
|
has$1 = {};
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
circular = {};
|
|
}
|
|
waiting = flushing = false;
|
|
}
|
|
|
|
/**
|
|
* Flush both queues and run the watchers.
|
|
*/
|
|
function flushSchedulerQueue () {
|
|
flushing = true;
|
|
|
|
// Sort queue before flush.
|
|
// This ensures that:
|
|
// 1. Components are updated from parent to child. (because parent is always
|
|
// created before the child)
|
|
// 2. A component's user watchers are run before its render watcher (because
|
|
// user watchers are created before the render watcher)
|
|
// 3. If a component is destroyed during a parent component's watcher run,
|
|
// its watchers can be skipped.
|
|
queue.sort(function (a, b) { return a.id - b.id; });
|
|
|
|
// do not cache length because more watchers might be pushed
|
|
// as we run existing watchers
|
|
for (index$1 = 0; index$1 < queue.length; index$1++) {
|
|
var watcher = queue[index$1];
|
|
var id = watcher.id;
|
|
has$1[id] = null;
|
|
watcher.run();
|
|
// in dev build, check and stop circular updates.
|
|
if (process.env.NODE_ENV !== 'production' && has$1[id] != null) {
|
|
circular[id] = (circular[id] || 0) + 1;
|
|
if (circular[id] > config._maxUpdateCount) {
|
|
warn(
|
|
'You may have an infinite update loop ' + (
|
|
watcher.user
|
|
? ("in watcher with expression \"" + (watcher.expression) + "\"")
|
|
: "in a component render function."
|
|
),
|
|
watcher.vm
|
|
);
|
|
break
|
|
}
|
|
}
|
|
}
|
|
|
|
// devtool hook
|
|
/* istanbul ignore if */
|
|
if (devtools && config.devtools) {
|
|
devtools.emit('flush');
|
|
}
|
|
|
|
resetSchedulerState();
|
|
}
|
|
|
|
/**
|
|
* Push a watcher into the watcher queue.
|
|
* Jobs with duplicate IDs will be skipped unless it's
|
|
* pushed when the queue is being flushed.
|
|
*/
|
|
function queueWatcher (watcher) {
|
|
var id = watcher.id;
|
|
if (has$1[id] == null) {
|
|
has$1[id] = true;
|
|
if (!flushing) {
|
|
queue.push(watcher);
|
|
} else {
|
|
// if already flushing, splice the watcher based on its id
|
|
// if already past its id, it will be run next immediately.
|
|
var i = queue.length - 1;
|
|
while (i >= 0 && queue[i].id > watcher.id) {
|
|
i--;
|
|
}
|
|
queue.splice(Math.max(i, index$1) + 1, 0, watcher);
|
|
}
|
|
// queue the flush
|
|
if (!waiting) {
|
|
waiting = true;
|
|
nextTick(flushSchedulerQueue);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
var uid$1 = 0;
|
|
|
|
/**
|
|
* A watcher parses an expression, collects dependencies,
|
|
* and fires callback when the expression value changes.
|
|
* This is used for both the $watch() api and directives.
|
|
*/
|
|
var Watcher = function Watcher (
|
|
vm,
|
|
expOrFn,
|
|
cb,
|
|
options
|
|
) {
|
|
if ( options === void 0 ) options = {};
|
|
|
|
this.vm = vm;
|
|
vm._watchers.push(this);
|
|
// options
|
|
this.deep = !!options.deep;
|
|
this.user = !!options.user;
|
|
this.lazy = !!options.lazy;
|
|
this.sync = !!options.sync;
|
|
this.expression = expOrFn.toString();
|
|
this.cb = cb;
|
|
this.id = ++uid$1; // uid for batching
|
|
this.active = true;
|
|
this.dirty = this.lazy; // for lazy watchers
|
|
this.deps = [];
|
|
this.newDeps = [];
|
|
this.depIds = new _Set();
|
|
this.newDepIds = new _Set();
|
|
// parse expression for getter
|
|
if (typeof expOrFn === 'function') {
|
|
this.getter = expOrFn;
|
|
} else {
|
|
this.getter = parsePath(expOrFn);
|
|
if (!this.getter) {
|
|
this.getter = function () {};
|
|
process.env.NODE_ENV !== 'production' && warn(
|
|
"Failed watching path: \"" + expOrFn + "\" " +
|
|
'Watcher only accepts simple dot-delimited paths. ' +
|
|
'For full control, use a function instead.',
|
|
vm
|
|
);
|
|
}
|
|
}
|
|
this.value = this.lazy
|
|
? undefined
|
|
: this.get();
|
|
};
|
|
|
|
/**
|
|
* Evaluate the getter, and re-collect dependencies.
|
|
*/
|
|
Watcher.prototype.get = function get () {
|
|
pushTarget(this);
|
|
var value = this.getter.call(this.vm, this.vm);
|
|
// "touch" every property so they are all tracked as
|
|
// dependencies for deep watching
|
|
if (this.deep) {
|
|
traverse(value);
|
|
}
|
|
popTarget();
|
|
this.cleanupDeps();
|
|
return value
|
|
};
|
|
|
|
/**
|
|
* Add a dependency to this directive.
|
|
*/
|
|
Watcher.prototype.addDep = function addDep (dep) {
|
|
var id = dep.id;
|
|
if (!this.newDepIds.has(id)) {
|
|
this.newDepIds.add(id);
|
|
this.newDeps.push(dep);
|
|
if (!this.depIds.has(id)) {
|
|
dep.addSub(this);
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Clean up for dependency collection.
|
|
*/
|
|
Watcher.prototype.cleanupDeps = function cleanupDeps () {
|
|
var this$1 = this;
|
|
|
|
var i = this.deps.length;
|
|
while (i--) {
|
|
var dep = this$1.deps[i];
|
|
if (!this$1.newDepIds.has(dep.id)) {
|
|
dep.removeSub(this$1);
|
|
}
|
|
}
|
|
var tmp = this.depIds;
|
|
this.depIds = this.newDepIds;
|
|
this.newDepIds = tmp;
|
|
this.newDepIds.clear();
|
|
tmp = this.deps;
|
|
this.deps = this.newDeps;
|
|
this.newDeps = tmp;
|
|
this.newDeps.length = 0;
|
|
};
|
|
|
|
/**
|
|
* Subscriber interface.
|
|
* Will be called when a dependency changes.
|
|
*/
|
|
Watcher.prototype.update = function update () {
|
|
/* istanbul ignore else */
|
|
if (this.lazy) {
|
|
this.dirty = true;
|
|
} else if (this.sync) {
|
|
this.run();
|
|
} else {
|
|
queueWatcher(this);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Scheduler job interface.
|
|
* Will be called by the scheduler.
|
|
*/
|
|
Watcher.prototype.run = function run () {
|
|
if (this.active) {
|
|
var value = this.get();
|
|
if (
|
|
value !== this.value ||
|
|
// Deep watchers and watchers on Object/Arrays should fire even
|
|
// when the value is the same, because the value may
|
|
// have mutated.
|
|
isObject(value) ||
|
|
this.deep
|
|
) {
|
|
// set new value
|
|
var oldValue = this.value;
|
|
this.value = value;
|
|
if (this.user) {
|
|
try {
|
|
this.cb.call(this.vm, value, oldValue);
|
|
} catch (e) {
|
|
/* istanbul ignore else */
|
|
if (config.errorHandler) {
|
|
config.errorHandler.call(null, e, this.vm);
|
|
} else {
|
|
process.env.NODE_ENV !== 'production' && warn(
|
|
("Error in watcher \"" + (this.expression) + "\""),
|
|
this.vm
|
|
);
|
|
throw e
|
|
}
|
|
}
|
|
} else {
|
|
this.cb.call(this.vm, value, oldValue);
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Evaluate the value of the watcher.
|
|
* This only gets called for lazy watchers.
|
|
*/
|
|
Watcher.prototype.evaluate = function evaluate () {
|
|
this.value = this.get();
|
|
this.dirty = false;
|
|
};
|
|
|
|
/**
|
|
* Depend on all deps collected by this watcher.
|
|
*/
|
|
Watcher.prototype.depend = function depend () {
|
|
var this$1 = this;
|
|
|
|
var i = this.deps.length;
|
|
while (i--) {
|
|
this$1.deps[i].depend();
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Remove self from all dependencies' subscriber list.
|
|
*/
|
|
Watcher.prototype.teardown = function teardown () {
|
|
var this$1 = this;
|
|
|
|
if (this.active) {
|
|
// remove self from vm's watcher list
|
|
// this is a somewhat expensive operation so we skip it
|
|
// if the vm is being destroyed or is performing a v-for
|
|
// re-render (the watcher list is then filtered by v-for).
|
|
if (!this.vm._isBeingDestroyed && !this.vm._vForRemoving) {
|
|
remove(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); }
|
|
}
|
|
}
|
|
|
|
/*
|
|
* not type checking this file because flow doesn't play well with
|
|
* dynamically accessing methods on Array prototype
|
|
*/
|
|
|
|
var arrayProto = Array.prototype;
|
|
var arrayMethods = Object.create(arrayProto);[
|
|
'push',
|
|
'pop',
|
|
'shift',
|
|
'unshift',
|
|
'splice',
|
|
'sort',
|
|
'reverse'
|
|
]
|
|
.forEach(function (method) {
|
|
// cache original method
|
|
var original = arrayProto[method];
|
|
def(arrayMethods, method, function mutator () {
|
|
var arguments$1 = arguments;
|
|
|
|
// avoid leaking arguments:
|
|
// http://jsperf.com/closure-with-arguments
|
|
var i = arguments.length;
|
|
var args = new Array(i);
|
|
while (i--) {
|
|
args[i] = arguments$1[i];
|
|
}
|
|
var result = original.apply(this, args);
|
|
var ob = this.__ob__;
|
|
var inserted;
|
|
switch (method) {
|
|
case 'push':
|
|
inserted = args;
|
|
break
|
|
case 'unshift':
|
|
inserted = args;
|
|
break
|
|
case 'splice':
|
|
inserted = args.slice(2);
|
|
break
|
|
}
|
|
if (inserted) { ob.observeArray(inserted); }
|
|
// notify change
|
|
ob.dep.notify();
|
|
return result
|
|
});
|
|
});
|
|
|
|
/* */
|
|
|
|
var arrayKeys = Object.getOwnPropertyNames(arrayMethods);
|
|
|
|
/**
|
|
* By default, when a reactive property is set, the new value is
|
|
* also converted to become reactive. However when passing down props,
|
|
* we don't want to force conversion because the value may be a nested value
|
|
* under a frozen data structure. Converting it would defeat the optimization.
|
|
*/
|
|
var observerState = {
|
|
shouldConvert: true,
|
|
isSettingProps: false
|
|
};
|
|
|
|
/**
|
|
* Observer class that are attached to each observed
|
|
* object. Once attached, the observer converts target
|
|
* object's property keys into getter/setters that
|
|
* collect dependencies and dispatches updates.
|
|
*/
|
|
var Observer = function Observer (value) {
|
|
this.value = value;
|
|
this.dep = new Dep();
|
|
this.vmCount = 0;
|
|
def(value, '__ob__', this);
|
|
if (Array.isArray(value)) {
|
|
var augment = hasProto
|
|
? protoAugment
|
|
: copyAugment;
|
|
augment(value, arrayMethods, arrayKeys);
|
|
this.observeArray(value);
|
|
} else {
|
|
this.walk(value);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Walk through each property and convert them into
|
|
* getter/setters. This method should only be called when
|
|
* value type is Object.
|
|
*/
|
|
Observer.prototype.walk = function walk (obj) {
|
|
var keys = Object.keys(obj);
|
|
for (var i = 0; i < keys.length; i++) {
|
|
defineReactive$$1(obj, keys[i], obj[keys[i]]);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Observe a list of Array items.
|
|
*/
|
|
Observer.prototype.observeArray = function observeArray (items) {
|
|
for (var i = 0, l = items.length; i < l; i++) {
|
|
observe(items[i]);
|
|
}
|
|
};
|
|
|
|
// helpers
|
|
|
|
/**
|
|
* Augment an target Object or Array by intercepting
|
|
* the prototype chain using __proto__
|
|
*/
|
|
function protoAugment (target, src) {
|
|
/* eslint-disable no-proto */
|
|
target.__proto__ = src;
|
|
/* eslint-enable no-proto */
|
|
}
|
|
|
|
/**
|
|
* Augment an target Object or Array by defining
|
|
* hidden properties.
|
|
*/
|
|
/* istanbul ignore next */
|
|
function copyAugment (target, src, keys) {
|
|
for (var i = 0, l = keys.length; i < l; i++) {
|
|
var key = keys[i];
|
|
def(target, key, src[key]);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Attempt to create an observer instance for a value,
|
|
* returns the new observer if successfully observed,
|
|
* or the existing observer if the value already has one.
|
|
*/
|
|
function observe (value) {
|
|
if (!isObject(value)) {
|
|
return
|
|
}
|
|
var ob;
|
|
if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {
|
|
ob = value.__ob__;
|
|
} else if (
|
|
observerState.shouldConvert &&
|
|
!isServerRendering() &&
|
|
(Array.isArray(value) || isPlainObject(value)) &&
|
|
Object.isExtensible(value) &&
|
|
!value._isVue
|
|
) {
|
|
ob = new Observer(value);
|
|
}
|
|
return ob
|
|
}
|
|
|
|
/**
|
|
* Define a reactive property on an Object.
|
|
*/
|
|
function defineReactive$$1 (
|
|
obj,
|
|
key,
|
|
val,
|
|
customSetter
|
|
) {
|
|
var dep = new Dep();
|
|
|
|
var property = Object.getOwnPropertyDescriptor(obj, key);
|
|
if (property && property.configurable === false) {
|
|
return
|
|
}
|
|
|
|
// cater for pre-defined getter/setters
|
|
var getter = property && property.get;
|
|
var setter = property && property.set;
|
|
|
|
var childOb = observe(val);
|
|
Object.defineProperty(obj, key, {
|
|
enumerable: true,
|
|
configurable: true,
|
|
get: function reactiveGetter () {
|
|
var value = getter ? getter.call(obj) : val;
|
|
if (Dep.target) {
|
|
dep.depend();
|
|
if (childOb) {
|
|
childOb.dep.depend();
|
|
}
|
|
if (Array.isArray(value)) {
|
|
dependArray(value);
|
|
}
|
|
}
|
|
return value
|
|
},
|
|
set: function reactiveSetter (newVal) {
|
|
var value = getter ? getter.call(obj) : val;
|
|
/* eslint-disable no-self-compare */
|
|
if (newVal === value || (newVal !== newVal && value !== value)) {
|
|
return
|
|
}
|
|
/* eslint-enable no-self-compare */
|
|
if (process.env.NODE_ENV !== 'production' && customSetter) {
|
|
customSetter();
|
|
}
|
|
if (setter) {
|
|
setter.call(obj, newVal);
|
|
} else {
|
|
val = newVal;
|
|
}
|
|
childOb = observe(newVal);
|
|
dep.notify();
|
|
}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Set a property on an object. Adds the new property and
|
|
* triggers change notification if the property doesn't
|
|
* already exist.
|
|
*/
|
|
function set$1 (obj, key, val) {
|
|
if (Array.isArray(obj)) {
|
|
obj.length = Math.max(obj.length, key);
|
|
obj.splice(key, 1, val);
|
|
return val
|
|
}
|
|
if (hasOwn(obj, key)) {
|
|
obj[key] = val;
|
|
return
|
|
}
|
|
var ob = obj.__ob__;
|
|
if (obj._isVue || (ob && ob.vmCount)) {
|
|
process.env.NODE_ENV !== 'production' && warn(
|
|
'Avoid adding reactive properties to a Vue instance or its root $data ' +
|
|
'at runtime - declare it upfront in the data option.'
|
|
);
|
|
return
|
|
}
|
|
if (!ob) {
|
|
obj[key] = val;
|
|
return
|
|
}
|
|
defineReactive$$1(ob.value, key, val);
|
|
ob.dep.notify();
|
|
return val
|
|
}
|
|
|
|
/**
|
|
* Delete a property and trigger change if necessary.
|
|
*/
|
|
function del (obj, key) {
|
|
var ob = obj.__ob__;
|
|
if (obj._isVue || (ob && ob.vmCount)) {
|
|
process.env.NODE_ENV !== 'production' && warn(
|
|
'Avoid deleting properties on a Vue instance or its root $data ' +
|
|
'- just set it to null.'
|
|
);
|
|
return
|
|
}
|
|
if (!hasOwn(obj, key)) {
|
|
return
|
|
}
|
|
delete obj[key];
|
|
if (!ob) {
|
|
return
|
|
}
|
|
ob.dep.notify();
|
|
}
|
|
|
|
/**
|
|
* Collect dependencies on array elements when the array is touched, since
|
|
* we cannot intercept array element access like property getters.
|
|
*/
|
|
function dependArray (value) {
|
|
for (var e = (void 0), i = 0, l = value.length; i < l; i++) {
|
|
e = value[i];
|
|
e && e.__ob__ && e.__ob__.dep.depend();
|
|
if (Array.isArray(e)) {
|
|
dependArray(e);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
function initState (vm) {
|
|
vm._watchers = [];
|
|
initProps(vm);
|
|
initMethods(vm);
|
|
initData(vm);
|
|
initComputed(vm);
|
|
initWatch(vm);
|
|
}
|
|
|
|
var isReservedProp = { key: 1, ref: 1, slot: 1 };
|
|
|
|
function initProps (vm) {
|
|
var props = vm.$options.props;
|
|
if (props) {
|
|
var propsData = vm.$options.propsData || {};
|
|
var keys = vm.$options._propKeys = Object.keys(props);
|
|
var isRoot = !vm.$parent;
|
|
// root instance props should be converted
|
|
observerState.shouldConvert = isRoot;
|
|
var loop = function ( i ) {
|
|
var key = keys[i];
|
|
/* istanbul ignore else */
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
if (isReservedProp[key]) {
|
|
warn(
|
|
("\"" + key + "\" is a reserved attribute and cannot be used as component prop."),
|
|
vm
|
|
);
|
|
}
|
|
defineReactive$$1(vm, key, validateProp(key, props, propsData, vm), function () {
|
|
if (vm.$parent && !observerState.isSettingProps) {
|
|
warn(
|
|
"Avoid mutating a prop directly since the value will be " +
|
|
"overwritten whenever the parent component re-renders. " +
|
|
"Instead, use a data or computed property based on the prop's " +
|
|
"value. Prop being mutated: \"" + key + "\"",
|
|
vm
|
|
);
|
|
}
|
|
});
|
|
} else {
|
|
defineReactive$$1(vm, key, validateProp(key, props, propsData, vm));
|
|
}
|
|
};
|
|
|
|
for (var i = 0; i < keys.length; i++) loop( i );
|
|
observerState.shouldConvert = true;
|
|
}
|
|
}
|
|
|
|
function initData (vm) {
|
|
var data = vm.$options.data;
|
|
data = vm._data = typeof data === 'function'
|
|
? data.call(vm)
|
|
: data || {};
|
|
if (!isPlainObject(data)) {
|
|
data = {};
|
|
process.env.NODE_ENV !== 'production' && warn(
|
|
'data functions should return an object:\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 {
|
|
proxy(vm, keys[i]);
|
|
}
|
|
}
|
|
// observe data
|
|
observe(data);
|
|
data.__ob__ && data.__ob__.vmCount++;
|
|
}
|
|
|
|
var computedSharedDefinition = {
|
|
enumerable: true,
|
|
configurable: true,
|
|
get: noop,
|
|
set: noop
|
|
};
|
|
|
|
function initComputed (vm) {
|
|
var computed = vm.$options.computed;
|
|
if (computed) {
|
|
for (var key in computed) {
|
|
var userDef = computed[key];
|
|
if (typeof userDef === 'function') {
|
|
computedSharedDefinition.get = makeComputedGetter(userDef, vm);
|
|
computedSharedDefinition.set = noop;
|
|
} else {
|
|
computedSharedDefinition.get = userDef.get
|
|
? userDef.cache !== false
|
|
? makeComputedGetter(userDef.get, vm)
|
|
: bind(userDef.get, vm)
|
|
: noop;
|
|
computedSharedDefinition.set = userDef.set
|
|
? bind(userDef.set, vm)
|
|
: noop;
|
|
}
|
|
Object.defineProperty(vm, key, computedSharedDefinition);
|
|
}
|
|
}
|
|
}
|
|
|
|
function makeComputedGetter (getter, owner) {
|
|
var watcher = new Watcher(owner, getter, noop, {
|
|
lazy: true
|
|
});
|
|
return function computedGetter () {
|
|
if (watcher.dirty) {
|
|
watcher.evaluate();
|
|
}
|
|
if (Dep.target) {
|
|
watcher.depend();
|
|
}
|
|
return watcher.value
|
|
}
|
|
}
|
|
|
|
function initMethods (vm) {
|
|
var methods = vm.$options.methods;
|
|
if (methods) {
|
|
for (var key in methods) {
|
|
vm[key] = methods[key] == null ? noop : bind(methods[key], vm);
|
|
if (process.env.NODE_ENV !== 'production' && methods[key] == null) {
|
|
warn(
|
|
"method \"" + key + "\" has an undefined value in the component definition. " +
|
|
"Did you reference the function correctly?",
|
|
vm
|
|
);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function initWatch (vm) {
|
|
var watch = vm.$options.watch;
|
|
if (watch) {
|
|
for (var key in watch) {
|
|
var handler = watch[key];
|
|
if (Array.isArray(handler)) {
|
|
for (var i = 0; i < handler.length; i++) {
|
|
createWatcher(vm, key, handler[i]);
|
|
}
|
|
} else {
|
|
createWatcher(vm, key, handler);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function createWatcher (vm, key, handler) {
|
|
var options;
|
|
if (isPlainObject(handler)) {
|
|
options = handler;
|
|
handler = handler.handler;
|
|
}
|
|
if (typeof handler === 'string') {
|
|
handler = vm[handler];
|
|
}
|
|
vm.$watch(key, handler, options);
|
|
}
|
|
|
|
function stateMixin (Vue) {
|
|
// flow somehow has problems with directly declared definition object
|
|
// when using Object.defineProperty, so we have to procedurally build up
|
|
// the object here.
|
|
var dataDef = {};
|
|
dataDef.get = function () {
|
|
return this._data
|
|
};
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
dataDef.set = function (newData) {
|
|
warn(
|
|
'Avoid replacing instance root $data. ' +
|
|
'Use nested data properties instead.',
|
|
this
|
|
);
|
|
};
|
|
}
|
|
Object.defineProperty(Vue.prototype, '$data', dataDef);
|
|
|
|
Vue.prototype.$set = set$1;
|
|
Vue.prototype.$delete = del;
|
|
|
|
Vue.prototype.$watch = function (
|
|
expOrFn,
|
|
cb,
|
|
options
|
|
) {
|
|
var vm = this;
|
|
options = options || {};
|
|
options.user = true;
|
|
var watcher = new Watcher(vm, expOrFn, cb, options);
|
|
if (options.immediate) {
|
|
cb.call(vm, watcher.value);
|
|
}
|
|
return function unwatchFn () {
|
|
watcher.teardown();
|
|
}
|
|
};
|
|
}
|
|
|
|
function proxy (vm, key) {
|
|
if (!isReserved(key)) {
|
|
Object.defineProperty(vm, key, {
|
|
configurable: true,
|
|
enumerable: true,
|
|
get: function proxyGetter () {
|
|
return vm._data[key]
|
|
},
|
|
set: function proxySetter (val) {
|
|
vm._data[key] = val;
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
var VNode = function VNode (
|
|
tag,
|
|
data,
|
|
children,
|
|
text,
|
|
elm,
|
|
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.child = undefined;
|
|
this.parent = undefined;
|
|
this.raw = false;
|
|
this.isStatic = false;
|
|
this.isRootInsert = true;
|
|
this.isComment = false;
|
|
this.isCloned = false;
|
|
this.isOnce = false;
|
|
};
|
|
|
|
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 res = new Array(vnodes.length);
|
|
for (var i = 0; i < vnodes.length; i++) {
|
|
res[i] = cloneVNode(vnodes[i]);
|
|
}
|
|
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 = false;
|
|
vm._isMounted = false;
|
|
vm._isDestroyed = false;
|
|
vm._isBeingDestroyed = false;
|
|
}
|
|
|
|
function lifecycleMixin (Vue) {
|
|
Vue.prototype._mount = function (
|
|
el,
|
|
hydrating
|
|
) {
|
|
var vm = this;
|
|
vm.$el = el;
|
|
if (!vm.$options.render) {
|
|
vm.$options.render = createEmptyVNode;
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
/* istanbul ignore if */
|
|
if (vm.$options.template && vm.$options.template.charAt(0) !== '#') {
|
|
warn(
|
|
'You are using the runtime-only build of Vue where the template ' +
|
|
'option is not available. Either pre-compile the templates into ' +
|
|
'render functions, or use the compiler-included build.',
|
|
vm
|
|
);
|
|
} else {
|
|
warn(
|
|
'Failed to mount component: template or render function not defined.',
|
|
vm
|
|
);
|
|
}
|
|
}
|
|
}
|
|
callHook(vm, 'beforeMount');
|
|
vm._watcher = new Watcher(vm, function () {
|
|
vm._update(vm._render(), hydrating);
|
|
}, noop);
|
|
hydrating = false;
|
|
// manually mounted instance, call mounted on self
|
|
// mounted is called for render-created child components in its inserted hook
|
|
if (vm.$vnode == null) {
|
|
vm._isMounted = true;
|
|
callHook(vm, 'mounted');
|
|
}
|
|
return vm
|
|
};
|
|
|
|
Vue.prototype._update = function (vnode, hydrating) {
|
|
var vm = this;
|
|
if (vm._isMounted) {
|
|
callHook(vm, 'beforeUpdate');
|
|
}
|
|
var prevEl = vm.$el;
|
|
var prevVnode = vm._vnode;
|
|
var prevActiveInstance = activeInstance;
|
|
activeInstance = vm;
|
|
vm._vnode = vnode;
|
|
// Vue.prototype.__patch__ is injected in entry points
|
|
// based on the rendering backend used.
|
|
if (!prevVnode) {
|
|
// initial render
|
|
vm.$el = vm.__patch__(
|
|
vm.$el, vnode, hydrating, false /* removeOnly */,
|
|
vm.$options._parentElm,
|
|
vm.$options._refElm
|
|
);
|
|
} else {
|
|
// updates
|
|
vm.$el = vm.__patch__(prevVnode, vnode);
|
|
}
|
|
activeInstance = prevActiveInstance;
|
|
// update __vue__ reference
|
|
if (prevEl) {
|
|
prevEl.__vue__ = null;
|
|
}
|
|
if (vm.$el) {
|
|
vm.$el.__vue__ = vm;
|
|
}
|
|
// if parent is an HOC, update its $el as well
|
|
if (vm.$vnode && vm.$parent && vm.$vnode === vm.$parent._vnode) {
|
|
vm.$parent.$el = vm.$el;
|
|
}
|
|
if (vm._isMounted) {
|
|
callHook(vm, 'updated');
|
|
}
|
|
};
|
|
|
|
Vue.prototype._updateFromParent = function (
|
|
propsData,
|
|
listeners,
|
|
parentVnode,
|
|
renderChildren
|
|
) {
|
|
var vm = this;
|
|
var hasChildren = !!(vm.$options._renderChildren || renderChildren);
|
|
vm.$options._parentVnode = parentVnode;
|
|
vm.$vnode = parentVnode; // update vm's placeholder node without re-render
|
|
if (vm._vnode) { // update child tree's parent
|
|
vm._vnode.parent = parentVnode;
|
|
}
|
|
vm.$options._renderChildren = renderChildren;
|
|
// update props
|
|
if (propsData && vm.$options.props) {
|
|
observerState.shouldConvert = false;
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
observerState.isSettingProps = true;
|
|
}
|
|
var propKeys = vm.$options._propKeys || [];
|
|
for (var i = 0; i < propKeys.length; i++) {
|
|
var key = propKeys[i];
|
|
vm[key] = validateProp(key, vm.$options.props, propsData, vm);
|
|
}
|
|
observerState.shouldConvert = true;
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
observerState.isSettingProps = false;
|
|
}
|
|
vm.$options.propsData = propsData;
|
|
}
|
|
// update listeners
|
|
if (listeners) {
|
|
var oldListeners = vm.$options._parentListeners;
|
|
vm.$options._parentListeners = listeners;
|
|
vm._updateListeners(listeners, oldListeners);
|
|
}
|
|
// resolve slots + force update if has children
|
|
if (hasChildren) {
|
|
vm.$slots = resolveSlots(renderChildren, parentVnode.context);
|
|
vm.$forceUpdate();
|
|
}
|
|
};
|
|
|
|
Vue.prototype.$forceUpdate = function () {
|
|
var vm = this;
|
|
if (vm._watcher) {
|
|
vm._watcher.update();
|
|
}
|
|
};
|
|
|
|
Vue.prototype.$destroy = function () {
|
|
var vm = this;
|
|
if (vm._isBeingDestroyed) {
|
|
return
|
|
}
|
|
callHook(vm, 'beforeDestroy');
|
|
vm._isBeingDestroyed = true;
|
|
// remove self from parent
|
|
var parent = vm.$parent;
|
|
if (parent && !parent._isBeingDestroyed && !vm.$options.abstract) {
|
|
remove(parent.$children, vm);
|
|
}
|
|
// teardown watchers
|
|
if (vm._watcher) {
|
|
vm._watcher.teardown();
|
|
}
|
|
var i = vm._watchers.length;
|
|
while (i--) {
|
|
vm._watchers[i].teardown();
|
|
}
|
|
// remove reference from data ob
|
|
// frozen object may not have observer.
|
|
if (vm._data.__ob__) {
|
|
vm._data.__ob__.vmCount--;
|
|
}
|
|
// call the last hook...
|
|
vm._isDestroyed = true;
|
|
callHook(vm, 'destroyed');
|
|
// turn off all instance listeners.
|
|
vm.$off();
|
|
// remove __vue__ reference
|
|
if (vm.$el) {
|
|
vm.$el.__vue__ = null;
|
|
}
|
|
// invoke destroy hooks on current rendered tree
|
|
vm.__patch__(vm._vnode, null);
|
|
};
|
|
}
|
|
|
|
function callHook (vm, hook) {
|
|
var handlers = vm.$options[hook];
|
|
if (handlers) {
|
|
for (var i = 0, j = handlers.length; i < j; i++) {
|
|
handlers[i].call(vm);
|
|
}
|
|
}
|
|
vm.$emit('hook:' + hook);
|
|
}
|
|
|
|
/* */
|
|
|
|
var hooks = { init: init, prepatch: prepatch, insert: insert, destroy: destroy };
|
|
var hooksToMerge = Object.keys(hooks);
|
|
|
|
function createComponent (
|
|
Ctor,
|
|
data,
|
|
context,
|
|
children,
|
|
tag
|
|
) {
|
|
if (!Ctor) {
|
|
return
|
|
}
|
|
|
|
var baseCtor = context.$options._base;
|
|
if (isObject(Ctor)) {
|
|
Ctor = baseCtor.extend(Ctor);
|
|
}
|
|
|
|
if (typeof Ctor !== 'function') {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
warn(("Invalid Component definition: " + (String(Ctor))), context);
|
|
}
|
|
return
|
|
}
|
|
|
|
// async component
|
|
if (!Ctor.cid) {
|
|
if (Ctor.resolved) {
|
|
Ctor = Ctor.resolved;
|
|
} else {
|
|
Ctor = resolveAsyncComponent(Ctor, baseCtor, function () {
|
|
// it's ok to queue this on every render because
|
|
// $forceUpdate is buffered by the scheduler.
|
|
context.$forceUpdate();
|
|
});
|
|
if (!Ctor) {
|
|
// return nothing if this is indeed an async component
|
|
// wait for the callback to trigger parent update.
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
// resolve constructor options in case global mixins are applied after
|
|
// component constructor creation
|
|
resolveConstructorOptions(Ctor);
|
|
|
|
data = data || {};
|
|
|
|
// extract props
|
|
var propsData = extractProps(data, Ctor);
|
|
|
|
// functional component
|
|
if (Ctor.options.functional) {
|
|
return createFunctionalComponent(Ctor, propsData, data, context, children)
|
|
}
|
|
|
|
// extract listeners, since these needs to be treated as
|
|
// child component listeners instead of DOM listeners
|
|
var listeners = data.on;
|
|
// replace with listeners with .native modifier
|
|
data.on = data.nativeOn;
|
|
|
|
if (Ctor.options.abstract) {
|
|
// abstract components do not keep anything
|
|
// other than props & listeners
|
|
data = {};
|
|
}
|
|
|
|
// merge component management hooks onto the placeholder node
|
|
mergeHooks(data);
|
|
|
|
// return a placeholder vnode
|
|
var name = Ctor.options.name || tag;
|
|
var vnode = new VNode(
|
|
("vue-component-" + (Ctor.cid) + (name ? ("-" + name) : '')),
|
|
data, undefined, undefined, undefined, 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 init (
|
|
vnode,
|
|
hydrating,
|
|
parentElm,
|
|
refElm
|
|
) {
|
|
if (!vnode.child || vnode.child._isDestroyed) {
|
|
var child = vnode.child = createComponentInstanceForVnode(
|
|
vnode,
|
|
activeInstance,
|
|
parentElm,
|
|
refElm
|
|
);
|
|
child.$mount(hydrating ? vnode.elm : undefined, hydrating);
|
|
} else if (vnode.data.keepAlive) {
|
|
// kept-alive components, treat as a patch
|
|
var mountedNode = vnode; // work around flow
|
|
prepatch(mountedNode, mountedNode);
|
|
}
|
|
}
|
|
|
|
function prepatch (
|
|
oldVnode,
|
|
vnode
|
|
) {
|
|
var options = vnode.componentOptions;
|
|
var child = vnode.child = oldVnode.child;
|
|
child._updateFromParent(
|
|
options.propsData, // updated props
|
|
options.listeners, // updated listeners
|
|
vnode, // new parent vnode
|
|
options.children // new children
|
|
);
|
|
}
|
|
|
|
function insert (vnode) {
|
|
if (!vnode.child._isMounted) {
|
|
vnode.child._isMounted = true;
|
|
callHook(vnode.child, 'mounted');
|
|
}
|
|
if (vnode.data.keepAlive) {
|
|
vnode.child._inactive = false;
|
|
callHook(vnode.child, 'activated');
|
|
}
|
|
}
|
|
|
|
function destroy (vnode) {
|
|
if (!vnode.child._isDestroyed) {
|
|
if (!vnode.data.keepAlive) {
|
|
vnode.child.$destroy();
|
|
} else {
|
|
vnode.child._inactive = true;
|
|
callHook(vnode.child, 'deactivated');
|
|
}
|
|
}
|
|
}
|
|
|
|
function resolveAsyncComponent (
|
|
factory,
|
|
baseCtor,
|
|
cb
|
|
) {
|
|
if (factory.requested) {
|
|
// pool callbacks
|
|
factory.pendingCallbacks.push(cb);
|
|
} else {
|
|
factory.requested = true;
|
|
var cbs = factory.pendingCallbacks = [cb];
|
|
var sync = true;
|
|
|
|
var resolve = function (res) {
|
|
if (isObject(res)) {
|
|
res = baseCtor.extend(res);
|
|
}
|
|
// cache resolved
|
|
factory.resolved = res;
|
|
// invoke callbacks only if this is not a synchronous resolve
|
|
// (async resolves are shimmed as synchronous during SSR)
|
|
if (!sync) {
|
|
for (var i = 0, l = cbs.length; i < l; i++) {
|
|
cbs[i](res);
|
|
}
|
|
}
|
|
};
|
|
|
|
var reject = function (reason) {
|
|
process.env.NODE_ENV !== 'production' && warn(
|
|
"Failed to resolve async component: " + (String(factory)) +
|
|
(reason ? ("\nReason: " + reason) : '')
|
|
);
|
|
};
|
|
|
|
var res = factory(resolve, reject);
|
|
|
|
// handle promise
|
|
if (res && typeof res.then === 'function' && !factory.resolved) {
|
|
res.then(resolve, reject);
|
|
}
|
|
|
|
sync = false;
|
|
// return in case resolved synchronously
|
|
return factory.resolved
|
|
}
|
|
}
|
|
|
|
function extractProps (data, Ctor) {
|
|
// we are only extracting raw values here.
|
|
// validation and default values are handled in the child
|
|
// component itself.
|
|
var propOptions = Ctor.options.props;
|
|
if (!propOptions) {
|
|
return
|
|
}
|
|
var res = {};
|
|
var attrs = data.attrs;
|
|
var props = data.props;
|
|
var domProps = data.domProps;
|
|
if (attrs || props || domProps) {
|
|
for (var key in propOptions) {
|
|
var altKey = hyphenate(key);
|
|
checkProp(res, props, key, altKey, true) ||
|
|
checkProp(res, attrs, key, altKey) ||
|
|
checkProp(res, domProps, key, altKey);
|
|
}
|
|
}
|
|
return res
|
|
}
|
|
|
|
function checkProp (
|
|
res,
|
|
hash,
|
|
key,
|
|
altKey,
|
|
preserve
|
|
) {
|
|
if (hash) {
|
|
if (hasOwn(hash, key)) {
|
|
res[key] = hash[key];
|
|
if (!preserve) {
|
|
delete hash[key];
|
|
}
|
|
return true
|
|
} else if (hasOwn(hash, altKey)) {
|
|
res[key] = hash[altKey];
|
|
if (!preserve) {
|
|
delete hash[altKey];
|
|
}
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
function mergeHooks (data) {
|
|
if (!data.hook) {
|
|
data.hook = {};
|
|
}
|
|
for (var i = 0; i < hooksToMerge.length; i++) {
|
|
var key = hooksToMerge[i];
|
|
var fromParent = data.hook[key];
|
|
var ours = hooks[key];
|
|
data.hook[key] = fromParent ? mergeHook$1(ours, fromParent) : ours;
|
|
}
|
|
}
|
|
|
|
function mergeHook$1 (one, two) {
|
|
return function (a, b, c, d) {
|
|
one(a, b, c, d);
|
|
two(a, b, c, d);
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
/* */
|
|
|
|
function updateListeners (
|
|
on,
|
|
oldOn,
|
|
add,
|
|
remove$$1,
|
|
vm
|
|
) {
|
|
var name, cur, old, fn, event, capture, once;
|
|
for (name in on) {
|
|
cur = on[name];
|
|
old = oldOn[name];
|
|
if (!cur) {
|
|
process.env.NODE_ENV !== 'production' && warn(
|
|
"Invalid handler for event \"" + name + "\": got " + String(cur),
|
|
vm
|
|
);
|
|
} else if (!old) {
|
|
once = name.charAt(0) === '~'; // Prefixed last, checked first
|
|
event = once ? name.slice(1) : name;
|
|
capture = event.charAt(0) === '!';
|
|
event = capture ? event.slice(1) : event;
|
|
if (Array.isArray(cur)) {
|
|
add(event, (cur.invoker = arrInvoker(cur)), once, capture);
|
|
} else {
|
|
if (!cur.invoker) {
|
|
fn = cur;
|
|
cur = on[name] = {};
|
|
cur.fn = fn;
|
|
cur.invoker = fnInvoker(cur);
|
|
}
|
|
add(event, cur.invoker, once, capture);
|
|
}
|
|
} else if (cur !== old) {
|
|
if (Array.isArray(old)) {
|
|
old.length = cur.length;
|
|
for (var i = 0; i < old.length; i++) { old[i] = cur[i]; }
|
|
on[name] = old;
|
|
} else {
|
|
old.fn = cur;
|
|
on[name] = old;
|
|
}
|
|
}
|
|
}
|
|
for (name in oldOn) {
|
|
if (!on[name]) {
|
|
once = name.charAt(0) === '~'; // Prefixed last, checked first
|
|
event = once ? name.slice(1) : name;
|
|
capture = event.charAt(0) === '!';
|
|
event = capture ? event.slice(1) : event;
|
|
remove$$1(event, oldOn[name].invoker, capture);
|
|
}
|
|
}
|
|
}
|
|
|
|
function arrInvoker (arr) {
|
|
return function (ev) {
|
|
var arguments$1 = arguments;
|
|
|
|
var single = arguments.length === 1;
|
|
for (var i = 0; i < arr.length; i++) {
|
|
single ? arr[i](ev) : arr[i].apply(null, arguments$1);
|
|
}
|
|
}
|
|
}
|
|
|
|
function fnInvoker (o) {
|
|
return function (ev) {
|
|
var single = arguments.length === 1;
|
|
single ? o.fn(ev) : o.fn.apply(null, arguments);
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
function normalizeChildren (children) {
|
|
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
|
|
}
|
|
|
|
/* */
|
|
|
|
/* */
|
|
|
|
// wrapper function for providing a more flexible interface
|
|
// without getting yelled at by flow
|
|
function createElement (
|
|
context,
|
|
tag,
|
|
data,
|
|
children,
|
|
needNormalization,
|
|
alwaysNormalize
|
|
) {
|
|
if (Array.isArray(data) || isPrimitive(data)) {
|
|
needNormalization = children;
|
|
children = data;
|
|
data = undefined;
|
|
}
|
|
if (alwaysNormalize) { needNormalization = true; }
|
|
return _createElement(context, tag, data, children, needNormalization)
|
|
}
|
|
|
|
function _createElement (
|
|
context,
|
|
tag,
|
|
data,
|
|
children,
|
|
needNormalization
|
|
) {
|
|
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 (needNormalization) {
|
|
children = normalizeChildren(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
|
|
ns = tag === 'foreignObject' ? 'xhtml' : ns;
|
|
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.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);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
function initRender (vm) {
|
|
vm.$vnode = null; // the placeholder node in parent tree
|
|
vm._vnode = null; // the root of the child tree
|
|
vm._staticTrees = null;
|
|
var parentVnode = vm.$options._parentVnode;
|
|
var renderContext = parentVnode && parentVnode.context;
|
|
vm.$slots = resolveSlots(vm.$options._renderChildren, renderContext);
|
|
vm.$scopedSlots = {};
|
|
// bind the createElement fn to this instance
|
|
// so that we get proper render context inside it.
|
|
// args order: tag, data, children, needNormalization, 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); };
|
|
if (vm.$options.el) {
|
|
vm.$mount(vm.$options.el);
|
|
}
|
|
}
|
|
|
|
function renderMixin (Vue) {
|
|
Vue.prototype.$nextTick = function (fn) {
|
|
return nextTick(fn, this)
|
|
};
|
|
|
|
Vue.prototype._render = function () {
|
|
var vm = this;
|
|
var ref = vm.$options;
|
|
var render = ref.render;
|
|
var staticRenderFns = ref.staticRenderFns;
|
|
var _parentVnode = ref._parentVnode;
|
|
|
|
if (vm._isMounted) {
|
|
// clone slot nodes on re-renders
|
|
for (var key in vm.$slots) {
|
|
vm.$slots[key] = cloneVNodes(vm.$slots[key]);
|
|
}
|
|
}
|
|
|
|
if (_parentVnode && _parentVnode.data.scopedSlots) {
|
|
vm.$scopedSlots = _parentVnode.data.scopedSlots;
|
|
}
|
|
|
|
if (staticRenderFns && !vm._staticTrees) {
|
|
vm._staticTrees = [];
|
|
}
|
|
// set parent vnode. this allows render functions to have access
|
|
// to the data on the placeholder node.
|
|
vm.$vnode = _parentVnode;
|
|
// render self
|
|
var vnode;
|
|
try {
|
|
vnode = render.call(vm._renderProxy, vm.$createElement);
|
|
} catch (e) {
|
|
/* istanbul ignore else */
|
|
if (config.errorHandler) {
|
|
config.errorHandler.call(null, e, vm);
|
|
} else {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
warn(("Error when rendering " + (formatComponentName(vm)) + ":"));
|
|
}
|
|
throw e
|
|
}
|
|
// return previous vnode to prevent render error causing blank component
|
|
vnode = vm._vnode;
|
|
}
|
|
// return empty vnode in case the render function errored out
|
|
if (!(vnode instanceof VNode)) {
|
|
if (process.env.NODE_ENV !== 'production' && Array.isArray(vnode)) {
|
|
warn(
|
|
'Multiple root nodes returned from render function. Render function ' +
|
|
'should return a single root node.',
|
|
vm
|
|
);
|
|
}
|
|
vnode = createEmptyVNode();
|
|
}
|
|
// set parent
|
|
vnode.parent = _parentVnode;
|
|
return vnode
|
|
};
|
|
|
|
// toString for mustaches
|
|
Vue.prototype._s = _toString;
|
|
// convert text to vnode
|
|
Vue.prototype._v = createTextVNode;
|
|
// number conversion
|
|
Vue.prototype._n = toNumber;
|
|
// empty vnode
|
|
Vue.prototype._e = createEmptyVNode;
|
|
// loose equal
|
|
Vue.prototype._q = looseEqual;
|
|
// loose indexOf
|
|
Vue.prototype._i = looseIndexOf;
|
|
|
|
// render static tree by index
|
|
Vue.prototype._m = function renderStatic (
|
|
index,
|
|
isInFor
|
|
) {
|
|
var tree = this._staticTrees[index];
|
|
// if has already-rendered static tree and not inside v-for,
|
|
// we can reuse the same tree by doing a shallow clone.
|
|
if (tree && !isInFor) {
|
|
return Array.isArray(tree)
|
|
? cloneVNodes(tree)
|
|
: cloneVNode(tree)
|
|
}
|
|
// otherwise, render a fresh tree.
|
|
tree = this._staticTrees[index] = this.$options.staticRenderFns[index].call(this._renderProxy);
|
|
markStatic(tree, ("__static__" + index), false);
|
|
return tree
|
|
};
|
|
|
|
// mark node as static (v-once)
|
|
Vue.prototype._o = function markOnce (
|
|
tree,
|
|
index,
|
|
key
|
|
) {
|
|
markStatic(tree, ("__once__" + index + (key ? ("_" + key) : "")), true);
|
|
return tree
|
|
};
|
|
|
|
function markStatic (tree, key, isOnce) {
|
|
if (Array.isArray(tree)) {
|
|
for (var i = 0; i < tree.length; i++) {
|
|
if (tree[i] && typeof tree[i] !== 'string') {
|
|
markStaticNode(tree[i], (key + "_" + i), isOnce);
|
|
}
|
|
}
|
|
} else {
|
|
markStaticNode(tree, key, isOnce);
|
|
}
|
|
}
|
|
|
|
function markStaticNode (node, key, isOnce) {
|
|
node.isStatic = true;
|
|
node.key = key;
|
|
node.isOnce = isOnce;
|
|
}
|
|
|
|
// filter resolution helper
|
|
Vue.prototype._f = function resolveFilter (id) {
|
|
return resolveAsset(this.$options, 'filters', id, true) || identity
|
|
};
|
|
|
|
// render v-for
|
|
Vue.prototype._l = function renderList (
|
|
val,
|
|
render
|
|
) {
|
|
var ret, i, l, keys, key;
|
|
if (Array.isArray(val)) {
|
|
ret = new Array(val.length);
|
|
for (i = 0, l = val.length; i < l; i++) {
|
|
ret[i] = render(val[i], i);
|
|
}
|
|
} else if (typeof val === 'number') {
|
|
ret = new Array(val);
|
|
for (i = 0; i < val; i++) {
|
|
ret[i] = render(i + 1, i);
|
|
}
|
|
} else if (isObject(val)) {
|
|
keys = Object.keys(val);
|
|
ret = new Array(keys.length);
|
|
for (i = 0, l = keys.length; i < l; i++) {
|
|
key = keys[i];
|
|
ret[i] = render(val[key], key, i);
|
|
}
|
|
}
|
|
return ret
|
|
};
|
|
|
|
// renderSlot
|
|
Vue.prototype._t = function (
|
|
name,
|
|
fallback,
|
|
props
|
|
) {
|
|
var scopedSlotFn = this.$scopedSlots[name];
|
|
if (scopedSlotFn) { // scoped slot
|
|
return scopedSlotFn(props || {}) || fallback
|
|
} else {
|
|
var slotNodes = this.$slots[name];
|
|
// warn duplicate slot usage
|
|
if (slotNodes && process.env.NODE_ENV !== 'production') {
|
|
slotNodes._rendered && warn(
|
|
"Duplicate presence of slot \"" + name + "\" found in the same render tree " +
|
|
"- this will likely cause render errors.",
|
|
this
|
|
);
|
|
slotNodes._rendered = true;
|
|
}
|
|
return slotNodes || fallback
|
|
}
|
|
};
|
|
|
|
// apply v-bind object
|
|
Vue.prototype._b = function bindProps (
|
|
data,
|
|
tag,
|
|
value,
|
|
asProp
|
|
) {
|
|
if (value) {
|
|
if (!isObject(value)) {
|
|
process.env.NODE_ENV !== 'production' && warn(
|
|
'v-bind without argument expects an Object or Array value',
|
|
this
|
|
);
|
|
} else {
|
|
if (Array.isArray(value)) {
|
|
value = toObject(value);
|
|
}
|
|
for (var key in value) {
|
|
if (key === 'class' || key === 'style') {
|
|
data[key] = value[key];
|
|
} else {
|
|
var hash = asProp || config.mustUseProp(tag, key)
|
|
? data.domProps || (data.domProps = {})
|
|
: data.attrs || (data.attrs = {});
|
|
hash[key] = value[key];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return data
|
|
};
|
|
|
|
// check v-on keyCodes
|
|
Vue.prototype._k = function checkKeyCodes (
|
|
eventKeyCode,
|
|
key,
|
|
builtInAlias
|
|
) {
|
|
var keyCodes = config.keyCodes[key] || builtInAlias;
|
|
if (Array.isArray(keyCodes)) {
|
|
return keyCodes.indexOf(eventKeyCode) === -1
|
|
} else {
|
|
return keyCodes !== eventKeyCode
|
|
}
|
|
};
|
|
}
|
|
|
|
function resolveSlots (
|
|
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 single whitespace
|
|
if (defaultSlot.length && !(
|
|
defaultSlot.length === 1 &&
|
|
(defaultSlot[0].text === ' ' || defaultSlot[0].isComment)
|
|
)) {
|
|
slots.default = defaultSlot;
|
|
}
|
|
return slots
|
|
}
|
|
|
|
/* */
|
|
|
|
function initEvents (vm) {
|
|
vm._events = Object.create(null);
|
|
// init parent attached events
|
|
var listeners = vm.$options._parentListeners;
|
|
var add = function (event, fn, once) {
|
|
once ? vm.$once(event, fn) : vm.$on(event, fn);
|
|
};
|
|
var remove$$1 = bind(vm.$off, vm);
|
|
vm._updateListeners = function (listeners, oldListeners) {
|
|
updateListeners(listeners, oldListeners || {}, add, remove$$1, vm);
|
|
};
|
|
if (listeners) {
|
|
vm._updateListeners(listeners);
|
|
}
|
|
}
|
|
|
|
function eventsMixin (Vue) {
|
|
Vue.prototype.$on = function (event, fn) {
|
|
var vm = this;(vm._events[event] || (vm._events[event] = [])).push(fn);
|
|
return vm
|
|
};
|
|
|
|
Vue.prototype.$once = function (event, fn) {
|
|
var vm = this;
|
|
function on () {
|
|
vm.$off(event, on);
|
|
fn.apply(vm, arguments);
|
|
}
|
|
on.fn = fn;
|
|
vm.$on(event, on);
|
|
return vm
|
|
};
|
|
|
|
Vue.prototype.$off = function (event, fn) {
|
|
var vm = this;
|
|
// all
|
|
if (!arguments.length) {
|
|
vm._events = Object.create(null);
|
|
return vm
|
|
}
|
|
// specific event
|
|
var cbs = vm._events[event];
|
|
if (!cbs) {
|
|
return vm
|
|
}
|
|
if (arguments.length === 1) {
|
|
vm._events[event] = null;
|
|
return vm
|
|
}
|
|
// specific handler
|
|
var cb;
|
|
var i = cbs.length;
|
|
while (i--) {
|
|
cb = cbs[i];
|
|
if (cb === fn || cb.fn === fn) {
|
|
cbs.splice(i, 1);
|
|
break
|
|
}
|
|
}
|
|
return vm
|
|
};
|
|
|
|
Vue.prototype.$emit = function (event) {
|
|
var vm = this;
|
|
var cbs = vm._events[event];
|
|
if (cbs) {
|
|
cbs = cbs.length > 1 ? toArray(cbs) : cbs;
|
|
var args = toArray(arguments, 1);
|
|
for (var i = 0, l = cbs.length; i < l; i++) {
|
|
cbs[i].apply(vm, args);
|
|
}
|
|
}
|
|
return vm
|
|
};
|
|
}
|
|
|
|
/* */
|
|
|
|
var uid = 0;
|
|
|
|
function initMixin (Vue) {
|
|
Vue.prototype._init = function (options) {
|
|
var vm = this;
|
|
// a uid
|
|
vm._uid = uid++;
|
|
// a flag to avoid this being observed
|
|
vm._isVue = true;
|
|
// merge options
|
|
if (options && options._isComponent) {
|
|
// optimize internal component instantiation
|
|
// since dynamic options merging is pretty slow, and none of the
|
|
// internal component options needs special treatment.
|
|
initInternalComponent(vm, options);
|
|
} else {
|
|
vm.$options = mergeOptions(
|
|
resolveConstructorOptions(vm.constructor),
|
|
options || {},
|
|
vm
|
|
);
|
|
}
|
|
/* istanbul ignore else */
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
initProxy(vm);
|
|
} else {
|
|
vm._renderProxy = vm;
|
|
}
|
|
// expose real self
|
|
vm._self = vm;
|
|
initLifecycle(vm);
|
|
initEvents(vm);
|
|
callHook(vm, 'beforeCreate');
|
|
initState(vm);
|
|
callHook(vm, 'created');
|
|
initRender(vm);
|
|
};
|
|
}
|
|
|
|
function initInternalComponent (vm, options) {
|
|
var opts = vm.$options = Object.create(vm.constructor.options);
|
|
// doing this because it's faster than dynamic enumeration.
|
|
opts.parent = options.parent;
|
|
opts.propsData = options.propsData;
|
|
opts._parentVnode = options._parentVnode;
|
|
opts._parentListeners = options._parentListeners;
|
|
opts._renderChildren = options._renderChildren;
|
|
opts._componentTag = options._componentTag;
|
|
opts._parentElm = options._parentElm;
|
|
opts._refElm = options._refElm;
|
|
if (options.render) {
|
|
opts.render = options.render;
|
|
opts.staticRenderFns = options.staticRenderFns;
|
|
}
|
|
}
|
|
|
|
function resolveConstructorOptions (Ctor) {
|
|
var options = Ctor.options;
|
|
if (Ctor.super) {
|
|
var superOptions = Ctor.super.options;
|
|
var cachedSuperOptions = Ctor.superOptions;
|
|
var extendOptions = Ctor.extendOptions;
|
|
if (superOptions !== cachedSuperOptions) {
|
|
// super option changed
|
|
Ctor.superOptions = superOptions;
|
|
extendOptions.render = options.render;
|
|
extendOptions.staticRenderFns = options.staticRenderFns;
|
|
extendOptions._scopeId = options._scopeId;
|
|
options = Ctor.options = mergeOptions(superOptions, extendOptions);
|
|
if (options.name) {
|
|
options.components[options.name] = Ctor;
|
|
}
|
|
}
|
|
}
|
|
return options
|
|
}
|
|
|
|
function Vue (options) {
|
|
if (process.env.NODE_ENV !== 'production' &&
|
|
!(this instanceof Vue)) {
|
|
warn('Vue is a constructor and should be called with the `new` keyword');
|
|
}
|
|
this._init(options);
|
|
}
|
|
|
|
initMixin(Vue);
|
|
stateMixin(Vue);
|
|
eventsMixin(Vue);
|
|
lifecycleMixin(Vue);
|
|
renderMixin(Vue);
|
|
|
|
/* */
|
|
|
|
/**
|
|
* Option overwriting strategies are functions that handle
|
|
* how to merge a parent option value and a child option
|
|
* value into the final value.
|
|
*/
|
|
var strats = config.optionMergeStrategies;
|
|
|
|
/**
|
|
* Options with restrictions
|
|
*/
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
strats.el = strats.propsData = function (parent, child, vm, key) {
|
|
if (!vm) {
|
|
warn(
|
|
"option \"" + key + "\" can only be used during instance " +
|
|
'creation with the `new` keyword.'
|
|
);
|
|
}
|
|
return defaultStrat(parent, child)
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Helper that recursively merges two data objects together.
|
|
*/
|
|
function mergeData (to, from) {
|
|
if (!from) { return to }
|
|
var key, toVal, fromVal;
|
|
var keys = Object.keys(from);
|
|
for (var i = 0; i < keys.length; i++) {
|
|
key = keys[i];
|
|
toVal = to[key];
|
|
fromVal = from[key];
|
|
if (!hasOwn(to, key)) {
|
|
set$1(to, key, fromVal);
|
|
} else if (isPlainObject(toVal) && isPlainObject(fromVal)) {
|
|
mergeData(toVal, fromVal);
|
|
}
|
|
}
|
|
return to
|
|
}
|
|
|
|
/**
|
|
* Data
|
|
*/
|
|
strats.data = function (
|
|
parentVal,
|
|
childVal,
|
|
vm
|
|
) {
|
|
if (!vm) {
|
|
// in a Vue.extend merge, both should be functions
|
|
if (!childVal) {
|
|
return parentVal
|
|
}
|
|
if (typeof childVal !== 'function') {
|
|
process.env.NODE_ENV !== 'production' && warn(
|
|
'The "data" option should be a function ' +
|
|
'that returns a per-instance value in component ' +
|
|
'definitions.',
|
|
vm
|
|
);
|
|
return parentVal
|
|
}
|
|
if (!parentVal) {
|
|
return childVal
|
|
}
|
|
// when parentVal & childVal are both present,
|
|
// we need to return a function that returns the
|
|
// merged result of both functions... no need to
|
|
// check if parentVal is a function here because
|
|
// it has to be a function to pass previous merges.
|
|
return function mergedDataFn () {
|
|
return mergeData(
|
|
childVal.call(this),
|
|
parentVal.call(this)
|
|
)
|
|
}
|
|
} else if (parentVal || childVal) {
|
|
return function mergedInstanceDataFn () {
|
|
// instance merge
|
|
var instanceData = typeof childVal === 'function'
|
|
? childVal.call(vm)
|
|
: childVal;
|
|
var defaultData = typeof parentVal === 'function'
|
|
? parentVal.call(vm)
|
|
: undefined;
|
|
if (instanceData) {
|
|
return mergeData(instanceData, defaultData)
|
|
} else {
|
|
return defaultData
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Hooks and param attributes are merged as arrays.
|
|
*/
|
|
function mergeHook (
|
|
parentVal,
|
|
childVal
|
|
) {
|
|
return childVal
|
|
? parentVal
|
|
? parentVal.concat(childVal)
|
|
: Array.isArray(childVal)
|
|
? childVal
|
|
: [childVal]
|
|
: parentVal
|
|
}
|
|
|
|
config._lifecycleHooks.forEach(function (hook) {
|
|
strats[hook] = mergeHook;
|
|
});
|
|
|
|
/**
|
|
* Assets
|
|
*
|
|
* When a vm is present (instance creation), we need to do
|
|
* a three-way merge between constructor options, instance
|
|
* options and parent options.
|
|
*/
|
|
function mergeAssets (parentVal, childVal) {
|
|
var res = Object.create(parentVal || null);
|
|
return childVal
|
|
? extend(res, childVal)
|
|
: res
|
|
}
|
|
|
|
config._assetTypes.forEach(function (type) {
|
|
strats[type + 's'] = mergeAssets;
|
|
});
|
|
|
|
/**
|
|
* Watchers.
|
|
*
|
|
* Watchers hashes should not overwrite one
|
|
* another, so we merge them as arrays.
|
|
*/
|
|
strats.watch = function (parentVal, childVal) {
|
|
/* istanbul ignore if */
|
|
if (!childVal) { return parentVal }
|
|
if (!parentVal) { return childVal }
|
|
var ret = {};
|
|
extend(ret, parentVal);
|
|
for (var key in childVal) {
|
|
var parent = ret[key];
|
|
var child = childVal[key];
|
|
if (parent && !Array.isArray(parent)) {
|
|
parent = [parent];
|
|
}
|
|
ret[key] = parent
|
|
? parent.concat(child)
|
|
: [child];
|
|
}
|
|
return ret
|
|
};
|
|
|
|
/**
|
|
* Other object hashes.
|
|
*/
|
|
strats.props =
|
|
strats.methods =
|
|
strats.computed = function (parentVal, childVal) {
|
|
if (!childVal) { return parentVal }
|
|
if (!parentVal) { return childVal }
|
|
var ret = Object.create(null);
|
|
extend(ret, parentVal);
|
|
extend(ret, childVal);
|
|
return ret
|
|
};
|
|
|
|
/**
|
|
* Default strategy.
|
|
*/
|
|
var defaultStrat = function (parentVal, childVal) {
|
|
return childVal === undefined
|
|
? parentVal
|
|
: childVal
|
|
};
|
|
|
|
/**
|
|
* Validate component names
|
|
*/
|
|
function checkComponents (options) {
|
|
for (var key in options.components) {
|
|
var lower = key.toLowerCase();
|
|
if (isBuiltInTag(lower) || config.isReservedTag(lower)) {
|
|
warn(
|
|
'Do not use built-in or reserved HTML elements as component ' +
|
|
'id: ' + key
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Ensure all props option syntax are normalized into the
|
|
* Object-based format.
|
|
*/
|
|
function normalizeProps (options) {
|
|
var props = options.props;
|
|
if (!props) { return }
|
|
var res = {};
|
|
var i, val, name;
|
|
if (Array.isArray(props)) {
|
|
i = props.length;
|
|
while (i--) {
|
|
val = props[i];
|
|
if (typeof val === 'string') {
|
|
name = camelize(val);
|
|
res[name] = { type: null };
|
|
} else if (process.env.NODE_ENV !== 'production') {
|
|
warn('props must be strings when using array syntax.');
|
|
}
|
|
}
|
|
} else if (isPlainObject(props)) {
|
|
for (var key in props) {
|
|
val = props[key];
|
|
name = camelize(key);
|
|
res[name] = isPlainObject(val)
|
|
? val
|
|
: { type: val };
|
|
}
|
|
}
|
|
options.props = res;
|
|
}
|
|
|
|
/**
|
|
* Normalize raw function directives into object format.
|
|
*/
|
|
function normalizeDirectives (options) {
|
|
var dirs = options.directives;
|
|
if (dirs) {
|
|
for (var key in dirs) {
|
|
var def = dirs[key];
|
|
if (typeof def === 'function') {
|
|
dirs[key] = { bind: def, update: def };
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Merge two option objects into a new one.
|
|
* Core utility used in both instantiation and inheritance.
|
|
*/
|
|
function mergeOptions (
|
|
parent,
|
|
child,
|
|
vm
|
|
) {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
checkComponents(child);
|
|
}
|
|
normalizeProps(child);
|
|
normalizeDirectives(child);
|
|
var extendsFrom = child.extends;
|
|
if (extendsFrom) {
|
|
parent = typeof extendsFrom === 'function'
|
|
? mergeOptions(parent, extendsFrom.options, vm)
|
|
: mergeOptions(parent, extendsFrom, vm);
|
|
}
|
|
if (child.mixins) {
|
|
for (var i = 0, l = child.mixins.length; i < l; i++) {
|
|
var mixin = child.mixins[i];
|
|
if (mixin.prototype instanceof Vue) {
|
|
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 (isBooleanType(prop.type)) {
|
|
if (absent && !hasOwn(prop, 'default')) {
|
|
value = false;
|
|
} else if (value === '' || value === hyphenate(key)) {
|
|
value = true;
|
|
}
|
|
}
|
|
// check default value
|
|
if (value === undefined) {
|
|
value = getPropDefaultValue(vm, prop, key);
|
|
// since the default value is a fresh copy,
|
|
// make sure to observe it.
|
|
var prevShouldConvert = observerState.shouldConvert;
|
|
observerState.shouldConvert = true;
|
|
observe(value);
|
|
observerState.shouldConvert = prevShouldConvert;
|
|
}
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
assertProp(prop, key, value, vm, absent);
|
|
}
|
|
return value
|
|
}
|
|
|
|
/**
|
|
* Get the default value of a prop.
|
|
*/
|
|
function getPropDefaultValue (vm, prop, key) {
|
|
// no default, return undefined
|
|
if (!hasOwn(prop, 'default')) {
|
|
return undefined
|
|
}
|
|
var def = prop.default;
|
|
// warn against non-factory defaults for Object & Array
|
|
if (isObject(def)) {
|
|
process.env.NODE_ENV !== 'production' && warn(
|
|
'Invalid default value for prop "' + key + '": ' +
|
|
'Props with type Object/Array must use a factory function ' +
|
|
'to return the default value.',
|
|
vm
|
|
);
|
|
}
|
|
// the raw prop value was also undefined from previous render,
|
|
// return previous default value to avoid unnecessary watcher trigger
|
|
if (vm && vm.$options.propsData &&
|
|
vm.$options.propsData[key] === undefined &&
|
|
vm[key] !== undefined) {
|
|
return vm[key]
|
|
}
|
|
// call factory function for non-Function types
|
|
return typeof def === 'function' && prop.type !== Function
|
|
? def.call(vm)
|
|
: def
|
|
}
|
|
|
|
/**
|
|
* Assert whether a prop is valid.
|
|
*/
|
|
function assertProp (
|
|
prop,
|
|
name,
|
|
value,
|
|
vm,
|
|
absent
|
|
) {
|
|
if (prop.required && absent) {
|
|
warn(
|
|
'Missing required prop: "' + name + '"',
|
|
vm
|
|
);
|
|
return
|
|
}
|
|
if (value == null && !prop.required) {
|
|
return
|
|
}
|
|
var type = prop.type;
|
|
var valid = !type || type === true;
|
|
var expectedTypes = [];
|
|
if (type) {
|
|
if (!Array.isArray(type)) {
|
|
type = [type];
|
|
}
|
|
for (var i = 0; i < type.length && !valid; i++) {
|
|
var assertedType = assertType(value, type[i]);
|
|
expectedTypes.push(assertedType.expectedType);
|
|
valid = assertedType.valid;
|
|
}
|
|
}
|
|
if (!valid) {
|
|
warn(
|
|
'Invalid prop: type check failed for prop "' + name + '".' +
|
|
' Expected ' + expectedTypes.map(capitalize).join(', ') +
|
|
', got ' + Object.prototype.toString.call(value).slice(8, -1) + '.',
|
|
vm
|
|
);
|
|
return
|
|
}
|
|
var validator = prop.validator;
|
|
if (validator) {
|
|
if (!validator(value)) {
|
|
warn(
|
|
'Invalid prop: custom validator check failed for prop "' + name + '".',
|
|
vm
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Assert the type of a value
|
|
*/
|
|
function assertType (value, type) {
|
|
var valid;
|
|
var expectedType = getType(type);
|
|
if (expectedType === 'String') {
|
|
valid = typeof value === (expectedType = 'string');
|
|
} else if (expectedType === 'Number') {
|
|
valid = typeof value === (expectedType = 'number');
|
|
} else if (expectedType === 'Boolean') {
|
|
valid = typeof value === (expectedType = 'boolean');
|
|
} else if (expectedType === 'Function') {
|
|
valid = typeof value === (expectedType = 'function');
|
|
} else if (expectedType === 'Object') {
|
|
valid = isPlainObject(value);
|
|
} else if (expectedType === 'Array') {
|
|
valid = Array.isArray(value);
|
|
} else {
|
|
valid = value instanceof type;
|
|
}
|
|
return {
|
|
valid: valid,
|
|
expectedType: expectedType
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Use function string name to check built-in types,
|
|
* because a simple equality check will fail when running
|
|
* across different vms / iframes.
|
|
*/
|
|
function getType (fn) {
|
|
var match = fn && fn.toString().match(/^\s*function (\w+)/);
|
|
return match && match[1]
|
|
}
|
|
|
|
function isBooleanType (fn) {
|
|
if (!Array.isArray(fn)) {
|
|
return getType(fn) === 'Boolean'
|
|
}
|
|
for (var i = 0, len = fn.length; i < len; i++) {
|
|
if (getType(fn[i]) === 'Boolean') {
|
|
return true
|
|
}
|
|
}
|
|
/* istanbul ignore next */
|
|
return false
|
|
}
|
|
|
|
/* */
|
|
|
|
// attributes that should be using props for binding
|
|
var acceptValue = makeMap('input,textarea,option,select');
|
|
var mustUseProp = function (tag, attr) {
|
|
return (
|
|
(attr === 'value' && acceptValue(tag)) ||
|
|
(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'
|
|
);
|
|
|
|
/* */
|
|
|
|
|
|
|
|
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 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,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' +
|
|
'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view',
|
|
true
|
|
);
|
|
|
|
var isPreTag = function (tag) { return tag === 'pre'; };
|
|
|
|
var isReservedTag = function (tag) {
|
|
return isHTMLTag(tag) || isSVG(tag)
|
|
};
|
|
|
|
function getTagNamespace (tag) {
|
|
if (isSVG(tag)) {
|
|
return 'svg'
|
|
}
|
|
// basic support for MathML
|
|
// note it doesn't support other MathML elements being component roots
|
|
if (tag === 'math') {
|
|
return 'math'
|
|
}
|
|
}
|
|
|
|
var unknownElementCache = Object.create(null);
|
|
|
|
/* */
|
|
|
|
/**
|
|
* Query an element selector if it's not an element already.
|
|
*/
|
|
|
|
/* */
|
|
|
|
var cache = Object.create(null);
|
|
|
|
var baseOptions = {
|
|
expectHTML: true,
|
|
modules: modules,
|
|
staticKeys: genStaticKeys(modules),
|
|
directives: directives,
|
|
isReservedTag: isReservedTag,
|
|
isUnaryTag: isUnaryTag,
|
|
mustUseProp: mustUseProp,
|
|
getTagNamespace: getTagNamespace,
|
|
isPreTag: isPreTag
|
|
};
|
|
|
|
function compile$1 (
|
|
template,
|
|
options
|
|
) {
|
|
options = options
|
|
? extend(extend({}, baseOptions), options)
|
|
: baseOptions;
|
|
return compile$2(template, options)
|
|
}
|
|
|
|
function compileToFunctions (
|
|
template,
|
|
options,
|
|
vm
|
|
) {
|
|
var _warn = (options && options.warn) || warn;
|
|
// detect possible CSP restriction
|
|
/* istanbul ignore if */
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
try {
|
|
new Function('return 1');
|
|
} catch (e) {
|
|
if (e.toString().match(/unsafe-eval|CSP/)) {
|
|
_warn(
|
|
'It seems you are using the standalone build of Vue.js in an ' +
|
|
'environment with Content Security Policy that prohibits unsafe-eval. ' +
|
|
'The template compiler cannot work in this environment. Consider ' +
|
|
'relaxing the policy to allow unsafe-eval or pre-compiling your ' +
|
|
'templates into render functions.'
|
|
);
|
|
}
|
|
}
|
|
}
|
|
var key = options && options.delimiters
|
|
? String(options.delimiters) + template
|
|
: template;
|
|
if (cache[key]) {
|
|
return cache[key]
|
|
}
|
|
var res = {};
|
|
var compiled = compile$1(template, options);
|
|
res.render = makeFunction(compiled.render);
|
|
var l = compiled.staticRenderFns.length;
|
|
res.staticRenderFns = new Array(l);
|
|
for (var i = 0; i < l; i++) {
|
|
res.staticRenderFns[i] = makeFunction(compiled.staticRenderFns[i]);
|
|
}
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
if (res.render === noop || res.staticRenderFns.some(function (fn) { return fn === noop; })) {
|
|
_warn(
|
|
"failed to compile template:\n\n" + template + "\n\n" +
|
|
detectErrors(compiled.ast).join('\n') +
|
|
'\n\n',
|
|
vm
|
|
);
|
|
}
|
|
}
|
|
return (cache[key] = res)
|
|
}
|
|
|
|
function makeFunction (code) {
|
|
try {
|
|
return new Function(code)
|
|
} catch (e) {
|
|
return noop
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
var splitRE = /\r?\n/g;
|
|
var isSpecialTag$1 = makeMap('script,style,template', true);
|
|
|
|
|
|
|
|
/**
|
|
* Parse a single-file component (*.vue) file into an SFC Descriptor Object.
|
|
*/
|
|
function parseComponent (
|
|
content,
|
|
options
|
|
) {
|
|
if ( options === void 0 ) options = {};
|
|
|
|
var sfc = {
|
|
template: null,
|
|
script: null,
|
|
styles: [],
|
|
customBlocks: []
|
|
};
|
|
var depth = 0;
|
|
var currentBlock = null;
|
|
|
|
function start (
|
|
tag,
|
|
attrs,
|
|
unary,
|
|
start,
|
|
end
|
|
) {
|
|
if (depth === 0) {
|
|
if (isSpecialTag$1(tag)) {
|
|
currentBlock = {
|
|
type: tag,
|
|
content: '',
|
|
start: end
|
|
};
|
|
checkAttrs(currentBlock, attrs);
|
|
if (tag === 'style') {
|
|
sfc.styles.push(currentBlock);
|
|
} else {
|
|
sfc[tag] = currentBlock;
|
|
}
|
|
} else { // custom blocks
|
|
currentBlock = {
|
|
type: tag,
|
|
content: '',
|
|
start: end,
|
|
attrs: attrs.reduce(function (cumulated, ref) {
|
|
var name = ref.name;
|
|
var value = ref.value;
|
|
|
|
cumulated[name] = value;
|
|
return cumulated
|
|
}, Object.create(null))
|
|
};
|
|
sfc.customBlocks.push(currentBlock);
|
|
}
|
|
}
|
|
if (!unary) {
|
|
depth++;
|
|
}
|
|
}
|
|
|
|
function checkAttrs (block, attrs) {
|
|
for (var i = 0; i < attrs.length; i++) {
|
|
var attr = attrs[i];
|
|
if (attr.name === 'lang') {
|
|
block.lang = attr.value;
|
|
}
|
|
if (attr.name === 'scoped') {
|
|
block.scoped = true;
|
|
}
|
|
if (attr.name === 'module') {
|
|
block.module = attr.value || true;
|
|
}
|
|
if (attr.name === 'src') {
|
|
block.src = attr.value;
|
|
}
|
|
}
|
|
}
|
|
|
|
function end (tag, start, end) {
|
|
if (depth === 1 && currentBlock) {
|
|
currentBlock.end = start;
|
|
var text = deindent(content.slice(currentBlock.start, currentBlock.end));
|
|
// pad content so that linters and pre-processors can output correct
|
|
// line numbers in errors and warnings
|
|
if (currentBlock.type !== 'template' && options.pad) {
|
|
text = padContent(currentBlock) + text;
|
|
}
|
|
currentBlock.content = text;
|
|
currentBlock = null;
|
|
}
|
|
depth--;
|
|
}
|
|
|
|
function padContent (block) {
|
|
var offset = content.slice(0, block.start).split(splitRE).length;
|
|
var padChar = block.type === 'script' && !block.lang
|
|
? '//\n'
|
|
: '\n';
|
|
return Array(offset).join(padChar)
|
|
}
|
|
|
|
parseHTML(content, {
|
|
start: start,
|
|
end: end,
|
|
sfc: true
|
|
});
|
|
|
|
return sfc
|
|
}
|
|
|
|
/* */
|
|
|
|
function compile$$1 (
|
|
template,
|
|
options
|
|
) {
|
|
options = options || {};
|
|
var errors = [];
|
|
// allow injecting modules/directives
|
|
var baseModules = baseOptions.modules || [];
|
|
var modules = options.modules
|
|
? baseModules.concat(options.modules)
|
|
: baseModules;
|
|
var directives = options.directives
|
|
? extend(extend({}, baseOptions.directives), options.directives)
|
|
: baseOptions.directives;
|
|
var compiled = compile$1(template, {
|
|
modules: modules,
|
|
directives: directives,
|
|
preserveWhitespace: options.preserveWhitespace,
|
|
warn: function (msg) {
|
|
errors.push(msg);
|
|
}
|
|
});
|
|
compiled.errors = errors.concat(detectErrors(compiled.ast));
|
|
return compiled
|
|
}
|
|
|
|
exports.compile = compile$$1;
|
|
exports.parseComponent = parseComponent;
|
|
exports.compileToFunctions = compileToFunctions;
|