mirror of https://github.com/vuejs/vue.git
4838 lines
132 KiB
JavaScript
4838 lines
132 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 stream = require('stream');
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var stream__default = _interopDefault(stream);
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var entities = require('entities');
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var NativeModule = _interopDefault(require('module'));
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var vm = _interopDefault(require('vm'));
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var MAX_STACK_DEPTH = 1000;
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function createWriteFunction(write, onError) {
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var stackDepth = 0;
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var cachedWrite = function cachedWrite(text, next) {
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if (text && cachedWrite.caching) {
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cachedWrite.cacheBuffer[cachedWrite.cacheBuffer.length - 1] += text;
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}
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var waitForNext = write(text, next);
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if (!waitForNext) {
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if (stackDepth >= MAX_STACK_DEPTH) {
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process.nextTick(function () {
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try {
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next();
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} catch (e) {
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onError(e);
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}
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});
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} else {
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stackDepth++;
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next();
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stackDepth--;
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}
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}
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};
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cachedWrite.caching = false;
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cachedWrite.cacheBuffer = [];
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return cachedWrite;
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}
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var inherits = function (subClass, superClass) {
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if (typeof superClass !== "function" && superClass !== null) {
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throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
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}
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subClass.prototype = Object.create(superClass && superClass.prototype, {
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constructor: {
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value: subClass,
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enumerable: false,
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writable: true,
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configurable: true
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}
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});
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if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
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};
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var possibleConstructorReturn = function (self, call) {
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if (!self) {
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throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
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}
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return call && (typeof call === "object" || typeof call === "function") ? call : self;
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};
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/**
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* Original RenderStream implmentation by Sasha Aickin (@aickin)
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* Licensed under the Apache License, Version 2.0
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* Modified by Evan You (@yyx990803)
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*/
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var RenderStream = function (_stream$Readable) {
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inherits(RenderStream, _stream$Readable);
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function RenderStream(render) {
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var _this = possibleConstructorReturn(this, _stream$Readable.call(this));
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_this.buffer = '';
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_this.render = render;
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_this.expectedSize = 0;
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_this.stackDepth = 0;
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_this.write = createWriteFunction(function (text, next) {
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var n = _this.expectedSize;
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_this.buffer += text;
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if (_this.buffer.length >= n) {
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_this.next = next;
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_this.pushBySize(n);
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return true; // we will decide when to call next
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}
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}, function (err) {
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_this.emit('error', err);
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});
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_this.end = function () {
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// the rendering is finished; we should push out the last of the buffer.
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_this.done = true;
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_this.push(_this.buffer);
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};
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return _this;
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}
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RenderStream.prototype.pushBySize = function pushBySize(n) {
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var bufferToPush = this.buffer.substring(0, n);
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this.buffer = this.buffer.substring(n);
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this.push(bufferToPush);
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};
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RenderStream.prototype.tryRender = function tryRender() {
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try {
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this.render(this.write, this.end);
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} catch (e) {
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this.emit('error', e);
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}
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};
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RenderStream.prototype.tryNext = function tryNext() {
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try {
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this.next();
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} catch (e) {
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this.emit('error', e);
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}
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};
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RenderStream.prototype._read = function _read(n) {
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this.expectedSize = n;
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// it's possible that the last chunk added bumped the buffer up to > 2 * n,
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// which means we will need to go through multiple read calls to drain it
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// down to < n.
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if (this.done) {
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this.push(null);
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return;
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}
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if (this.buffer.length >= n) {
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this.pushBySize(n);
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return;
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}
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if (!this.next) {
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// start the rendering chain.
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this.tryRender();
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} else {
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// continue with the rendering.
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this.tryNext();
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}
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};
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return RenderStream;
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}(stream__default.Readable);
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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 ? '' : typeof val === 'object' ? JSON.stringify(val, null, 2) : 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(str, expectsLowerCase) {
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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 ? function (val) {
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return map[val.toLowerCase()];
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} : function (val) {
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return map[val];
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};
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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) {
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return c ? c.toUpperCase() : '';
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});
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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.replace(hyphenateRE, '$1-$2').replace(hyphenateRE, '$1-$2').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 ? l > 1 ? fn.apply(ctx, arguments) : fn.call(ctx, a) : 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$1(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 = arr[0] || {};
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for (var i = 1; 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 no() {
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return false;
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};
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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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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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* 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: ['component', 'directive', 'filter'],
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/**
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* List of lifecycle hooks.
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*/
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_lifecycleHooks: ['beforeCreate', 'created', 'beforeMount', 'mounted', 'beforeUpdate', 'updated', 'beforeDestroy', 'destroyed', 'activated', 'deactivated'],
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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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* Server rendering?
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*/
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_isServer: process.env.VUE_ENV === 'server'
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};
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var warn = void 0;
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var formatComponentName = void 0;
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if (process.env.NODE_ENV !== 'production') {
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(function () {
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var hasConsole = typeof console !== 'undefined';
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warn = function warn(msg, vm) {
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if (hasConsole && !config.silent) {
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console.error('[Vue warn]: ' + msg + ' ' + (vm ? formatLocation(formatComponentName(vm)) : ''));
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}
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};
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formatComponentName = function formatComponentName(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 ? vm.$options.name || vm.$options._componentTag : vm.name;
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return name ? 'component <' + name + '>' : 'anonymous component';
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};
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var formatLocation = function formatLocation(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 '(found in ' + str + ')';
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};
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})();
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}
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/**
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* Check if a string starts with $ or _
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*/
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function isReserved(str) {
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var c = (str + '').charCodeAt(0);
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return c === 0x24 || c === 0x5F;
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}
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/**
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* Define a property.
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*/
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function def(obj, key, val, enumerable) {
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Object.defineProperty(obj, key, {
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value: val,
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enumerable: !!enumerable,
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writable: true,
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configurable: true
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});
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}
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/**
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* Parse simple path.
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*/
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var bailRE = /[^\w\.\$]/;
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function parsePath(path) {
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if (bailRE.test(path)) {
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return;
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} else {
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var _ret = function () {
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var segments = path.split('.');
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return {
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v: function v(obj) {
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for (var i = 0; i < segments.length; i++) {
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if (!obj) return;
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obj = obj[segments[i]];
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}
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return obj;
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}
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};
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}();
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if (typeof _ret === "object") return _ret.v;
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}
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}
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|
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/* global MutationObserver */
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// can we use __proto__?
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var hasProto = '__proto__' in {};
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// Browser environment sniffing
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var inBrowser = typeof window !== 'undefined' && Object.prototype.toString.call(window) !== '[object Object]';
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// detect devtools
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var devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__;
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// UA sniffing for working around browser-specific quirks
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var UA$1 = inBrowser && window.navigator.userAgent.toLowerCase();
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var isIos = UA$1 && /(iphone|ipad|ipod|ios)/i.test(UA$1);
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var iosVersionMatch = UA$1 && isIos && UA$1.match(/os ([\d_]+)/);
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var iosVersion = iosVersionMatch && iosVersionMatch[1].split('_');
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|
// MutationObserver is unreliable in iOS 9.3 UIWebView
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// detecting it by checking presence of IndexedDB
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// ref #3027
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var hasMutationObserverBug = iosVersion && Number(iosVersion[0]) >= 9 && Number(iosVersion[1]) >= 3 && !window.indexedDB;
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|
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/**
|
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* Defer a task to execute it asynchronously. Ideally this
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* should be executed as a microtask, so we leverage
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* MutationObserver if it's available, and fallback to
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* setTimeout(0).
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*
|
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* @param {Function} cb
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* @param {Object} ctx
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*/
|
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var nextTick = function () {
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|
var callbacks = [];
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|
var pending = false;
|
|
var timerFunc = void 0;
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|
function nextTickHandler() {
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pending = false;
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var copies = callbacks.slice(0);
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callbacks = [];
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for (var i = 0; i < copies.length; i++) {
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copies[i]();
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}
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}
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/* istanbul ignore else */
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|
if (typeof MutationObserver !== 'undefined' && !hasMutationObserverBug) {
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(function () {
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var counter = 1;
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var observer = new MutationObserver(nextTickHandler);
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var textNode = document.createTextNode(String(counter));
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observer.observe(textNode, {
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characterData: true
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});
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timerFunc = function timerFunc() {
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counter = (counter + 1) % 2;
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textNode.data = String(counter);
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};
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})();
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} else {
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|
// webpack attempts to inject a shim for setImmediate
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// if it is used as a global, so we have to work around that to
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// avoid bundling unnecessary code.
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|
var context = inBrowser ? window : typeof global !== 'undefined' ? global : {};
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timerFunc = context.setImmediate || setTimeout;
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}
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|
return function (cb, ctx) {
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var func = ctx ? function () {
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cb.call(ctx);
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} : cb;
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callbacks.push(func);
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if (pending) return;
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pending = true;
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timerFunc(nextTickHandler, 0);
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};
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|
}();
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|
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var _Set = void 0;
|
|
/* istanbul ignore if */
|
|
if (typeof Set !== 'undefined' && /native code/.test(Set.toString())) {
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|
// use native Set when available.
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|
_Set = Set;
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|
} else {
|
|
// a non-standard Set polyfill that only works with primitive keys.
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|
_Set = function () {
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|
function Set() {
|
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this.set = Object.create(null);
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}
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|
|
|
Set.prototype.has = function has(key) {
|
|
return this.set[key] !== undefined;
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|
};
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|
|
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Set.prototype.add = function add(key) {
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this.set[key] = 1;
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};
|
|
|
|
Set.prototype.clear = function clear() {
|
|
this.set = Object.create(null);
|
|
};
|
|
|
|
return Set;
|
|
}();
|
|
}
|
|
|
|
var hasProxy = void 0;
|
|
var proxyHandlers = void 0;
|
|
var initProxy = void 0;
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
(function () {
|
|
var allowedGlobals = makeMap('Infinity,undefined,NaN,isFinite,isNaN,' + 'parseFloat,parseInt,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,' + 'Math,Number,Date,Array,Object,Boolean,String,RegExp,Map,Set,JSON,Intl,' + 'require,__webpack_require__' // for Webpack/Browserify
|
|
);
|
|
|
|
hasProxy = typeof Proxy !== 'undefined' && Proxy.toString().match(/native code/);
|
|
|
|
proxyHandlers = {
|
|
has: function has(target, key) {
|
|
var has = key in target;
|
|
var isAllowedGlobal = allowedGlobals(key);
|
|
if (!has && !isAllowedGlobal) {
|
|
warn('Trying to access non-existent property "' + key + '" while rendering. ' + 'Make sure to declare reactive data properties in the data option.', target);
|
|
}
|
|
return !isAllowedGlobal;
|
|
}
|
|
};
|
|
|
|
initProxy = function initProxy(vm) {
|
|
if (hasProxy) {
|
|
vm._renderProxy = new Proxy(vm, proxyHandlers);
|
|
} else {
|
|
vm._renderProxy = vm;
|
|
}
|
|
};
|
|
})();
|
|
}
|
|
|
|
var uid$2 = 0;
|
|
|
|
/**
|
|
* A dep is an observable that can have multiple
|
|
* directives subscribing to it.
|
|
*/
|
|
|
|
var Dep = function () {
|
|
function Dep() {
|
|
this.id = uid$2++;
|
|
this.subs = [];
|
|
}
|
|
|
|
Dep.prototype.addSub = function addSub(sub) {
|
|
this.subs.push(sub);
|
|
};
|
|
|
|
Dep.prototype.removeSub = function removeSub(sub) {
|
|
remove(this.subs, sub);
|
|
};
|
|
|
|
Dep.prototype.depend = function depend() {
|
|
if (Dep.target) {
|
|
Dep.target.addDep(this);
|
|
}
|
|
};
|
|
|
|
Dep.prototype.notify = function notify() {
|
|
// stablize the subscriber list first
|
|
var subs = this.subs.slice();
|
|
for (var i = 0, l = subs.length; i < l; i++) {
|
|
subs[i].update();
|
|
}
|
|
};
|
|
|
|
return Dep;
|
|
}();
|
|
|
|
Dep.target = null;
|
|
var targetStack = [];
|
|
|
|
function pushTarget(_target) {
|
|
if (Dep.target) targetStack.push(Dep.target);
|
|
Dep.target = _target;
|
|
}
|
|
|
|
function popTarget() {
|
|
Dep.target = targetStack.pop();
|
|
}
|
|
|
|
// We have two separate queues: one for internal component re-render updates
|
|
// and one for user watcher registered via $watch(). We want to guarantee
|
|
// re-render updates to be called before user watchers so that when user
|
|
// watchers are triggered, the DOM would already be in updated state.
|
|
|
|
var queue = [];
|
|
var userQueue = [];
|
|
var has = {};
|
|
var circular = {};
|
|
var waiting = false;
|
|
var flushing = false;
|
|
var index = 0;
|
|
|
|
/**
|
|
* Reset the scheduler's state.
|
|
*/
|
|
function resetSchedulerState() {
|
|
queue.length = 0;
|
|
userQueue.length = 0;
|
|
has = {};
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
circular = {};
|
|
}
|
|
waiting = flushing = false;
|
|
}
|
|
|
|
/**
|
|
* Flush both queues and run the watchers.
|
|
*/
|
|
function flushSchedulerQueue() {
|
|
flushing = true;
|
|
runSchedulerQueue(queue.sort(queueSorter));
|
|
runSchedulerQueue(userQueue);
|
|
// user watchers triggered more watchers,
|
|
// keep flushing until it depletes
|
|
if (queue.length) {
|
|
return flushSchedulerQueue();
|
|
}
|
|
// devtool hook
|
|
/* istanbul ignore if */
|
|
if (devtools && config.devtools) {
|
|
devtools.emit('flush');
|
|
}
|
|
resetSchedulerState();
|
|
}
|
|
|
|
/**
|
|
* Sort queue before flush.
|
|
* This ensures components are updated from parent to child
|
|
* so there will be no duplicate updates, e.g. a child was
|
|
* pushed into the queue first and then its parent's props
|
|
* changed.
|
|
*/
|
|
function queueSorter(a, b) {
|
|
return a.id - b.id;
|
|
}
|
|
|
|
/**
|
|
* Run the watchers in a single queue.
|
|
*/
|
|
function runSchedulerQueue(queue) {
|
|
// do not cache length because more watchers might be pushed
|
|
// as we run existing watchers
|
|
for (index = 0; index < queue.length; index++) {
|
|
var watcher = queue[index];
|
|
var id = watcher.id;
|
|
has[id] = null;
|
|
watcher.run();
|
|
// in dev build, check and stop circular updates.
|
|
if (process.env.NODE_ENV !== 'production' && has[id] != null) {
|
|
circular[id] = (circular[id] || 0) + 1;
|
|
if (circular[id] > config._maxUpdateCount) {
|
|
warn('You may have an infinite update loop ' + (watcher.user ? 'in watcher with expression "' + watcher.expression + '"' : 'in a component render function.'), watcher.vm);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
queue.length = 0;
|
|
}
|
|
|
|
/**
|
|
* Push a watcher into the watcher queue.
|
|
* Jobs with duplicate IDs will be skipped unless it's
|
|
* pushed when the queue is being flushed.
|
|
*/
|
|
function queueWatcher(watcher) {
|
|
var id = watcher.id;
|
|
if (has[id] == null) {
|
|
// push watcher into appropriate queue
|
|
var q = watcher.user ? userQueue : queue;
|
|
has[id] = true;
|
|
if (!flushing) {
|
|
q.push(watcher);
|
|
} else {
|
|
var i = q.length - 1;
|
|
while (i >= 0 && q[i].id > watcher.id) {
|
|
i--;
|
|
}
|
|
q.splice(Math.max(i, index) + 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 () {
|
|
function Watcher(vm, expOrFn, cb) {
|
|
var options = arguments.length <= 3 || arguments[3] === undefined ? {} : arguments[3];
|
|
|
|
this.vm = vm;
|
|
vm._watchers.push(this);
|
|
// options
|
|
this.deep = !!options.deep;
|
|
this.user = !!options.user;
|
|
this.lazy = !!options.lazy;
|
|
this.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 i = this.deps.length;
|
|
while (i--) {
|
|
var dep = this.deps[i];
|
|
if (!this.newDepIds.has(dep.id)) {
|
|
dep.removeSub(this);
|
|
}
|
|
}
|
|
var tmp = this.depIds;
|
|
this.depIds = this.newDepIds;
|
|
this.newDepIds = tmp;
|
|
this.newDepIds.clear();
|
|
tmp = this.deps;
|
|
this.deps = this.newDeps;
|
|
this.newDeps = tmp;
|
|
this.newDeps.length = 0;
|
|
};
|
|
|
|
/**
|
|
* Subscriber interface.
|
|
* Will be called when a dependency changes.
|
|
*/
|
|
|
|
|
|
Watcher.prototype.update = function update() {
|
|
/* 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) {
|
|
process.env.NODE_ENV !== 'production' && warn('Error in watcher "' + this.expression + '"', this.vm);
|
|
/* istanbul ignore else */
|
|
if (config.errorHandler) {
|
|
config.errorHandler.call(null, e, this.vm);
|
|
} else {
|
|
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 i = this.deps.length;
|
|
while (i--) {
|
|
this.deps[i].depend();
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Remove self from all dependencies' subcriber list.
|
|
*/
|
|
|
|
|
|
Watcher.prototype.teardown = function teardown() {
|
|
if (this.active) {
|
|
// remove self from vm's watcher list
|
|
// this is a somewhat expensive operation so we skip it
|
|
// if the vm is being destroyed or is performing a v-for
|
|
// re-render (the watcher list is then filtered by v-for).
|
|
if (!this.vm._isBeingDestroyed && !this.vm._vForRemoving) {
|
|
remove(this.vm._watchers, this);
|
|
}
|
|
var i = this.deps.length;
|
|
while (i--) {
|
|
this.deps[i].removeSub(this);
|
|
}
|
|
this.active = false;
|
|
}
|
|
};
|
|
|
|
return Watcher;
|
|
}();
|
|
|
|
var seenObjects = new _Set();
|
|
function traverse(val, seen) {
|
|
var i = void 0,
|
|
keys = void 0;
|
|
if (!seen) {
|
|
seen = seenObjects;
|
|
seen.clear();
|
|
}
|
|
var isA = Array.isArray(val);
|
|
var isO = isObject(val);
|
|
if ((isA || isO) && Object.isExtensible(val)) {
|
|
if (val.__ob__) {
|
|
var depId = val.__ob__.dep.id;
|
|
if (seen.has(depId)) {
|
|
return;
|
|
} else {
|
|
seen.add(depId);
|
|
}
|
|
}
|
|
if (isA) {
|
|
i = val.length;
|
|
while (i--) {
|
|
traverse(val[i], seen);
|
|
}
|
|
} else if (isO) {
|
|
keys = Object.keys(val);
|
|
i = keys.length;
|
|
while (i--) {
|
|
traverse(val[keys[i]], seen);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
var arrayProto = Array.prototype;
|
|
var arrayMethods = Object.create(arrayProto)
|
|
|
|
/**
|
|
* Intercept mutating methods and emit events
|
|
*/
|
|
;['push', 'pop', 'shift', 'unshift', 'splice', 'sort', 'reverse'].forEach(function (method) {
|
|
// cache original method
|
|
var original = arrayProto[method];
|
|
def(arrayMethods, method, function mutator() {
|
|
// avoid leaking arguments:
|
|
// http://jsperf.com/closure-with-arguments
|
|
var i = arguments.length;
|
|
var args = new Array(i);
|
|
while (i--) {
|
|
args[i] = arguments[i];
|
|
}
|
|
var result = original.apply(this, args);
|
|
var ob = this.__ob__;
|
|
var inserted = void 0;
|
|
switch (method) {
|
|
case 'push':
|
|
inserted = args;
|
|
break;
|
|
case 'unshift':
|
|
inserted = args;
|
|
break;
|
|
case 'splice':
|
|
inserted = args.slice(2);
|
|
break;
|
|
}
|
|
if (inserted) ob.observeArray(inserted);
|
|
// notify change
|
|
ob.dep.notify();
|
|
return result;
|
|
});
|
|
});
|
|
|
|
var arrayKeys = Object.getOwnPropertyNames(arrayMethods);
|
|
|
|
/**
|
|
* By default, when a reactive property is set, the new value is
|
|
* also converted to become reactive. However when passing down props,
|
|
* we don't want to force conversion because the value may be a nested value
|
|
* under a frozen data structure. Converting it would defeat the optimization.
|
|
*/
|
|
var observerState = {
|
|
shouldConvert: true,
|
|
isSettingProps: false
|
|
};
|
|
|
|
/**
|
|
* Observer class that are attached to each observed
|
|
* object. Once attached, the observer converts target
|
|
* object's property keys into getter/setters that
|
|
* collect dependencies and dispatches updates.
|
|
*/
|
|
var Observer = function () {
|
|
// number of vms that has this object as root $data
|
|
|
|
function Observer(value) {
|
|
this.value = value;
|
|
this.dep = new Dep();
|
|
this.vmCount = 0;
|
|
def(value, '__ob__', this);
|
|
if (Array.isArray(value)) {
|
|
var augment = hasProto ? protoAugment : copyAugment;
|
|
augment(value, arrayMethods, arrayKeys);
|
|
this.observeArray(value);
|
|
} else {
|
|
this.walk(value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Walk through each property and convert them into
|
|
* getter/setters. This method should only be called when
|
|
* value type is Object.
|
|
*/
|
|
|
|
|
|
Observer.prototype.walk = function walk(obj) {
|
|
var val = this.value;
|
|
for (var key in obj) {
|
|
defineReactive(val, key, obj[key]);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Observe a list of Array items.
|
|
*/
|
|
|
|
|
|
Observer.prototype.observeArray = function observeArray(items) {
|
|
for (var i = 0, l = items.length; i < l; i++) {
|
|
observe(items[i]);
|
|
}
|
|
};
|
|
|
|
return Observer;
|
|
}();
|
|
|
|
// helpers
|
|
|
|
/**
|
|
* Augment an target Object or Array by intercepting
|
|
* the prototype chain using __proto__
|
|
*/
|
|
function protoAugment(target, src) {
|
|
/* eslint-disable no-proto */
|
|
target.__proto__ = src;
|
|
/* eslint-enable no-proto */
|
|
}
|
|
|
|
/**
|
|
* Augment an target Object or Array by defining
|
|
* hidden properties.
|
|
*
|
|
* istanbul ignore next
|
|
*/
|
|
function copyAugment(target, src, keys) {
|
|
for (var i = 0, l = keys.length; i < l; i++) {
|
|
var key = keys[i];
|
|
def(target, key, src[key]);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Attempt to create an observer instance for a value,
|
|
* returns the new observer if successfully observed,
|
|
* or the existing observer if the value already has one.
|
|
*/
|
|
function observe(value) {
|
|
if (!isObject(value)) {
|
|
return;
|
|
}
|
|
var ob = void 0;
|
|
if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {
|
|
ob = value.__ob__;
|
|
} else if (observerState.shouldConvert && !config._isServer && (Array.isArray(value) || isPlainObject(value)) && Object.isExtensible(value) && !value._isVue) {
|
|
ob = new Observer(value);
|
|
}
|
|
return ob;
|
|
}
|
|
|
|
/**
|
|
* Define a reactive property on an Object.
|
|
*/
|
|
function defineReactive(obj, key, val, customSetter) {
|
|
var dep = new Dep();
|
|
|
|
var property = Object.getOwnPropertyDescriptor(obj, key);
|
|
if (property && property.configurable === false) {
|
|
return;
|
|
}
|
|
|
|
// cater for pre-defined getter/setters
|
|
var getter = property && property.get;
|
|
var setter = property && property.set;
|
|
|
|
var childOb = observe(val);
|
|
Object.defineProperty(obj, key, {
|
|
enumerable: true,
|
|
configurable: true,
|
|
get: function reactiveGetter() {
|
|
var value = getter ? getter.call(obj) : val;
|
|
if (Dep.target) {
|
|
dep.depend();
|
|
if (childOb) {
|
|
childOb.dep.depend();
|
|
}
|
|
if (Array.isArray(value)) {
|
|
for (var e, i = 0, l = value.length; i < l; i++) {
|
|
e = value[i];
|
|
e && e.__ob__ && e.__ob__.dep.depend();
|
|
}
|
|
}
|
|
}
|
|
return value;
|
|
},
|
|
set: function reactiveSetter(newVal) {
|
|
var value = getter ? getter.call(obj) : val;
|
|
if (newVal === value) {
|
|
return;
|
|
}
|
|
if (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.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 $data ' + 'at runtime - delcare it upfront in the data option.');
|
|
return;
|
|
}
|
|
if (!ob) {
|
|
obj[key] = val;
|
|
return;
|
|
}
|
|
defineReactive(ob.value, key, val);
|
|
ob.dep.notify();
|
|
return val;
|
|
}
|
|
|
|
function initState(vm) {
|
|
vm._watchers = [];
|
|
initProps(vm);
|
|
initData(vm);
|
|
initComputed(vm);
|
|
initMethods(vm);
|
|
initWatch(vm);
|
|
}
|
|
|
|
function initProps(vm) {
|
|
var props = vm.$options.props;
|
|
var propsData = vm.$options.propsData;
|
|
if (props) {
|
|
var keys = vm.$options._propKeys = Object.keys(props);
|
|
var isRoot = !vm.$parent;
|
|
// root instance props should be converted
|
|
observerState.shouldConvert = isRoot;
|
|
|
|
var _loop = function _loop(i) {
|
|
var key = keys[i];
|
|
/* istanbul ignore else */
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
defineReactive(vm, key, validateProp(key, props, propsData, vm), function () {
|
|
if (vm.$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(vm, key, validateProp(key, props, propsData, vm));
|
|
}
|
|
};
|
|
|
|
for (var i = 0; i < keys.length; i++) {
|
|
_loop(i);
|
|
}
|
|
observerState.shouldConvert = true;
|
|
}
|
|
}
|
|
|
|
function initData(vm) {
|
|
var data = vm.$options.data;
|
|
data = vm._data = typeof data === 'function' ? data.call(vm) : data || {};
|
|
if (!isPlainObject(data)) {
|
|
data = {};
|
|
process.env.NODE_ENV !== 'production' && warn('data functions should return an object.', vm);
|
|
}
|
|
// proxy data on instance
|
|
var keys = Object.keys(data);
|
|
var props = vm.$options.props;
|
|
var i = keys.length;
|
|
while (i--) {
|
|
if (props && hasOwn(props, keys[i])) {
|
|
process.env.NODE_ENV !== 'production' && warn('The data property "' + keys[i] + '" is already declared as a prop. ' + 'Use prop default value instead.', vm);
|
|
} else {
|
|
proxy(vm, keys[i]);
|
|
}
|
|
}
|
|
// observe data
|
|
observe(data);
|
|
data.__ob__ && data.__ob__.vmCount++;
|
|
}
|
|
|
|
var computedSharedDefinition = {
|
|
enumerable: true,
|
|
configurable: true,
|
|
get: noop,
|
|
set: noop
|
|
};
|
|
|
|
function initComputed(vm) {
|
|
var computed = vm.$options.computed;
|
|
if (computed) {
|
|
for (var _key in computed) {
|
|
var userDef = computed[_key];
|
|
if (typeof userDef === 'function') {
|
|
computedSharedDefinition.get = makeComputedGetter(userDef, vm);
|
|
computedSharedDefinition.set = noop;
|
|
} else {
|
|
computedSharedDefinition.get = userDef.get ? userDef.cache !== false ? makeComputedGetter(userDef.get, vm) : bind(userDef.get, vm) : noop;
|
|
computedSharedDefinition.set = userDef.set ? bind(userDef.set, vm) : noop;
|
|
}
|
|
Object.defineProperty(vm, _key, computedSharedDefinition);
|
|
}
|
|
}
|
|
}
|
|
|
|
function makeComputedGetter(getter, owner) {
|
|
var watcher = new Watcher(owner, getter, noop, {
|
|
lazy: true
|
|
});
|
|
return function computedGetter() {
|
|
if (watcher.dirty) {
|
|
watcher.evaluate();
|
|
}
|
|
if (Dep.target) {
|
|
watcher.depend();
|
|
}
|
|
return watcher.value;
|
|
};
|
|
}
|
|
|
|
function initMethods(vm) {
|
|
var methods = vm.$options.methods;
|
|
if (methods) {
|
|
for (var _key2 in methods) {
|
|
vm[_key2] = bind(methods[_key2], vm);
|
|
}
|
|
}
|
|
}
|
|
|
|
function initWatch(vm) {
|
|
var watch = vm.$options.watch;
|
|
if (watch) {
|
|
for (var _key3 in watch) {
|
|
var handler = watch[_key3];
|
|
if (Array.isArray(handler)) {
|
|
for (var i = 0; i < handler.length; i++) {
|
|
createWatcher(vm, _key3, handler[i]);
|
|
}
|
|
} else {
|
|
createWatcher(vm, _key3, handler);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function createWatcher(vm, key, handler) {
|
|
var options = void 0;
|
|
if (isPlainObject(handler)) {
|
|
options = handler;
|
|
handler = handler.handler;
|
|
}
|
|
if (typeof handler === 'string') {
|
|
handler = vm[handler];
|
|
}
|
|
vm.$watch(key, handler, options);
|
|
}
|
|
|
|
function stateMixin(Vue) {
|
|
// flow somehow has problems with directly declared definition object
|
|
// when using Object.defineProperty, so we have to procedurally build up
|
|
// the object here.
|
|
var dataDef = {};
|
|
dataDef.get = function () {
|
|
return this._data;
|
|
};
|
|
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.$watch = function (expOrFn, cb, options) {
|
|
var vm = this;
|
|
options = options || {};
|
|
options.user = true;
|
|
var watcher = new Watcher(vm, expOrFn, cb, options);
|
|
if (options.immediate) {
|
|
cb.call(vm, watcher.value);
|
|
}
|
|
return function unwatchFn() {
|
|
watcher.teardown();
|
|
};
|
|
};
|
|
}
|
|
|
|
function proxy(vm, key) {
|
|
if (!isReserved(key)) {
|
|
Object.defineProperty(vm, key, {
|
|
configurable: true,
|
|
enumerable: true,
|
|
get: function proxyGetter() {
|
|
return vm._data[key];
|
|
},
|
|
set: function proxySetter(val) {
|
|
vm._data[key] = val;
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
var VNode = function VNode(tag, data, children, text, elm, ns, context, host, componentOptions) {
|
|
this.tag = tag;
|
|
this.data = data;
|
|
this.children = children;
|
|
this.text = text;
|
|
this.elm = elm;
|
|
this.ns = ns;
|
|
this.context = context;
|
|
this.host = host;
|
|
this.key = data && data.key;
|
|
this.componentOptions = componentOptions;
|
|
this.child = undefined;
|
|
this.parent = undefined;
|
|
this.raw = false;
|
|
// apply construct hook.
|
|
// this is applied during render, before patch happens.
|
|
// unlike other hooks, this is applied on both client and server.
|
|
var constructHook = data && data.hook && data.hook.construct;
|
|
if (constructHook) {
|
|
constructHook(this);
|
|
}
|
|
};
|
|
|
|
var emptyVNode = function emptyVNode() {
|
|
return new VNode(undefined, undefined, undefined, '');
|
|
};
|
|
|
|
function normalizeChildren(children, ns) {
|
|
// invoke children thunks.
|
|
// components always receive their children as thunks so that they
|
|
// can perform the actual render inside their own dependency collection cycle.
|
|
if (typeof children === 'function') {
|
|
children = children();
|
|
}
|
|
if (isPrimitive(children)) {
|
|
return [createTextVNode(children)];
|
|
}
|
|
if (Array.isArray(children)) {
|
|
var res = [];
|
|
for (var i = 0, l = children.length; i < l; i++) {
|
|
var c = children[i];
|
|
var last = res[res.length - 1];
|
|
// nested
|
|
if (Array.isArray(c)) {
|
|
res.push.apply(res, normalizeChildren(c, ns));
|
|
} else if (isPrimitive(c)) {
|
|
if (last && last.text) {
|
|
last.text += String(c);
|
|
} else {
|
|
// convert primitive to vnode
|
|
res.push(createTextVNode(c));
|
|
}
|
|
} else if (c instanceof VNode) {
|
|
if (c.text && last && last.text) {
|
|
last.text += c.text;
|
|
} else {
|
|
// inherit parent namespace
|
|
if (ns) {
|
|
applyNS(c, ns);
|
|
}
|
|
res.push(c);
|
|
}
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
}
|
|
|
|
function createTextVNode(val) {
|
|
return new VNode(undefined, undefined, undefined, String(val));
|
|
}
|
|
|
|
function applyNS(vnode, ns) {
|
|
if (vnode.tag && !vnode.ns) {
|
|
vnode.ns = ns;
|
|
if (vnode.children) {
|
|
for (var i = 0, l = vnode.children.length; i < l; i++) {
|
|
applyNS(vnode.children[i], ns);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function updateListeners(on, oldOn, add, remove) {
|
|
var name = void 0,
|
|
cur = void 0,
|
|
old = void 0,
|
|
fn = void 0,
|
|
event = void 0,
|
|
capture = void 0;
|
|
for (name in on) {
|
|
cur = on[name];
|
|
old = oldOn[name];
|
|
if (!old) {
|
|
capture = name.charAt(0) === '!';
|
|
event = capture ? name.slice(1) : name;
|
|
if (Array.isArray(cur)) {
|
|
add(event, cur.invoker = arrInvoker(cur), capture);
|
|
} else {
|
|
fn = cur;
|
|
cur = on[name] = {};
|
|
cur.fn = fn;
|
|
add(event, cur.invoker = fnInvoker(cur), capture);
|
|
}
|
|
} else if (Array.isArray(old)) {
|
|
old.length = cur.length;
|
|
for (var i = 0; i < old.length; i++) {
|
|
old[i] = cur[i];
|
|
}on[name] = old;
|
|
} else {
|
|
old.fn = cur;
|
|
on[name] = old;
|
|
}
|
|
}
|
|
for (name in oldOn) {
|
|
if (!on[name]) {
|
|
event = name.charAt(0) === '!' ? name.slice(1) : name;
|
|
remove(event, oldOn[name].invoker);
|
|
}
|
|
}
|
|
}
|
|
|
|
function arrInvoker(arr) {
|
|
return function (ev) {
|
|
var single = arguments.length === 1;
|
|
for (var i = 0; i < arr.length; i++) {
|
|
single ? arr[i](ev) : arr[i].apply(null, arguments);
|
|
}
|
|
};
|
|
}
|
|
|
|
function fnInvoker(o) {
|
|
return function (ev) {
|
|
var single = arguments.length === 1;
|
|
single ? o.fn(ev) : o.fn.apply(null, arguments);
|
|
};
|
|
}
|
|
|
|
function initLifecycle(vm) {
|
|
var options = vm.$options;
|
|
|
|
// locate first non-abstract parent
|
|
var parent = options.parent;
|
|
if (parent && !options._abstract) {
|
|
while (parent.$options._abstract && parent.$parent) {
|
|
parent = parent.$parent;
|
|
}
|
|
parent.$children.push(vm);
|
|
}
|
|
|
|
vm.$parent = parent;
|
|
vm.$root = parent ? parent.$root : vm;
|
|
|
|
vm.$children = [];
|
|
vm.$refs = {};
|
|
|
|
vm._watcher = null;
|
|
vm._inactive = false;
|
|
vm._isMounted = false;
|
|
vm._isDestroyed = false;
|
|
vm._isBeingDestroyed = false;
|
|
}
|
|
|
|
function lifecycleMixin(Vue) {
|
|
Vue.prototype._mount = function (el, hydrating) {
|
|
var vm = this;
|
|
vm.$el = el;
|
|
if (!vm.$options.render) {
|
|
vm.$options.render = emptyVNode;
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
/* istanbul ignore if */
|
|
if (vm.$options.template) {
|
|
warn('You are using the runtime-only build of Vue where the template ' + 'option is not available. Either pre-compile the templates into ' + 'render functions, or use the compiler-included build.', vm);
|
|
} else {
|
|
warn('Failed to mount component: template or render function not defined.', vm);
|
|
}
|
|
}
|
|
}
|
|
callHook(vm, 'beforeMount');
|
|
vm._watcher = new Watcher(vm, function () {
|
|
vm._update(vm._render(), hydrating);
|
|
}, noop);
|
|
hydrating = false;
|
|
// root instance, call mounted on self
|
|
// mounted is called for child components in its inserted hook
|
|
if (vm.$root === vm) {
|
|
vm._isMounted = true;
|
|
callHook(vm, 'mounted');
|
|
}
|
|
return vm;
|
|
};
|
|
|
|
Vue.prototype._update = function (vnode, hydrating) {
|
|
var vm = this;
|
|
if (vm._isMounted) {
|
|
callHook(vm, 'beforeUpdate');
|
|
}
|
|
var prevEl = vm.$el;
|
|
if (!vm._vnode) {
|
|
// Vue.prototype.__patch__ is injected in entry points
|
|
// based on the rendering backend used.
|
|
vm.$el = vm.__patch__(vm.$el, vnode, hydrating);
|
|
} else {
|
|
vm.$el = vm.__patch__(vm._vnode, vnode);
|
|
}
|
|
vm._vnode = vnode;
|
|
// update __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;
|
|
vm.$options._parentVnode = parentVnode;
|
|
vm.$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.$options.props, propsData, vm);
|
|
}
|
|
observerState.shouldConvert = true;
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
observerState.isSettingProps = false;
|
|
}
|
|
}
|
|
// update listeners
|
|
if (listeners) {
|
|
var oldListeners = vm.$options._parentListeners;
|
|
vm.$options._parentListeners = listeners;
|
|
vm._updateListeners(listeners, oldListeners);
|
|
}
|
|
};
|
|
|
|
Vue.prototype.$forceUpdate = function () {
|
|
var vm = this;
|
|
if (vm._watcher) {
|
|
vm._watcher.update();
|
|
}
|
|
if (vm._watchers.length) {
|
|
for (var i = 0; i < vm._watchers.length; i++) {
|
|
vm._watchers[i].update(true /* shallow */);
|
|
}
|
|
}
|
|
};
|
|
|
|
Vue.prototype.$destroy = function () {
|
|
var vm = this;
|
|
if (vm._isBeingDestroyed) {
|
|
return;
|
|
}
|
|
callHook(vm, 'beforeDestroy');
|
|
vm._isBeingDestroyed = true;
|
|
// remove self from parent
|
|
var parent = vm.$parent;
|
|
if (parent && !parent._isBeingDestroyed && !vm.$options._abstract) {
|
|
remove(parent.$children, vm);
|
|
}
|
|
// teardown watchers
|
|
if (vm._watcher) {
|
|
vm._watcher.teardown();
|
|
}
|
|
var i = vm._watchers.length;
|
|
while (i--) {
|
|
vm._watchers[i].teardown();
|
|
}
|
|
// remove reference from data ob
|
|
// frozen object may not have observer.
|
|
if (vm._data.__ob__) {
|
|
vm._data.__ob__.vmCount--;
|
|
}
|
|
// call the last hook...
|
|
vm._isDestroyed = true;
|
|
callHook(vm, 'destroyed');
|
|
// turn off all instance listeners.
|
|
vm.$off();
|
|
// remove __vue__ reference
|
|
if (vm.$el) {
|
|
vm.$el.__vue__ = null;
|
|
}
|
|
};
|
|
}
|
|
|
|
function callHook(vm, hook) {
|
|
vm.$emit('pre-hook:' + hook);
|
|
var handlers = vm.$options[hook];
|
|
if (handlers) {
|
|
for (var i = 0, j = handlers.length; i < j; i++) {
|
|
handlers[i].call(vm);
|
|
}
|
|
}
|
|
vm.$emit('hook:' + hook);
|
|
}
|
|
|
|
var hooks = { init: init, prepatch: prepatch, insert: insert, destroy: destroy };
|
|
var hooksToMerge = Object.keys(hooks);
|
|
|
|
function createComponent(Ctor, data, parent, context, host, _children, tag) {
|
|
// ensure children is a thunk
|
|
if (process.env.NODE_ENV !== 'production' && _children && typeof _children !== 'function') {
|
|
warn('A component\'s children should be a function that returns the ' + 'children array. This allows the component to track the children ' + 'dependencies and optimizes re-rendering.');
|
|
}
|
|
|
|
if (!Ctor) {
|
|
return;
|
|
}
|
|
|
|
if (isObject(Ctor)) {
|
|
Ctor = Vue.extend(Ctor);
|
|
}
|
|
|
|
if (typeof Ctor !== 'function') {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
warn('Invalid Component definition: ' + Ctor, parent);
|
|
}
|
|
return;
|
|
}
|
|
|
|
// async component
|
|
if (!Ctor.cid) {
|
|
if (Ctor.resolved) {
|
|
Ctor = Ctor.resolved;
|
|
} else {
|
|
Ctor = resolveAsyncComponent(Ctor, function () {
|
|
// it's ok to queue this on every render because
|
|
// $forceUpdate is buffered. this is only called
|
|
// if the
|
|
parent.$forceUpdate();
|
|
});
|
|
if (!Ctor) {
|
|
// return nothing if this is indeed an async component
|
|
// wait for the callback to trigger parent update.
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
data = data || {};
|
|
|
|
// extract props
|
|
var propsData = extractProps(data, Ctor);
|
|
|
|
// functional component
|
|
if (Ctor.options.functional) {
|
|
var _ret = function () {
|
|
var props = {};
|
|
var propOptions = Ctor.options.props;
|
|
if (propOptions) {
|
|
Object.keys(propOptions).forEach(function (key) {
|
|
props[key] = validateProp(key, propOptions, propsData);
|
|
});
|
|
}
|
|
return {
|
|
v: Ctor.options.render.call(null, parent.$createElement, { props: props, parent: parent, data: data, children: function children() {
|
|
return normalizeChildren(_children);
|
|
} })
|
|
};
|
|
}();
|
|
|
|
if (typeof _ret === "object") return _ret.v;
|
|
}
|
|
|
|
// merge component management hooks onto the placeholder node
|
|
mergeHooks(data);
|
|
|
|
// extract listeners, since these needs to be treated as
|
|
// child component listeners instead of DOM listeners
|
|
var listeners = data.on;
|
|
if (listeners) {
|
|
delete data.on;
|
|
}
|
|
|
|
// return a placeholder vnode
|
|
var name = Ctor.options.name || tag;
|
|
var vnode = new VNode('vue-component-' + Ctor.cid + (name ? '-' + name : ''), data, undefined, undefined, undefined, undefined, context, host, { Ctor: Ctor, propsData: propsData, listeners: listeners, parent: parent, tag: tag, children: _children });
|
|
return vnode;
|
|
}
|
|
|
|
function createComponentInstanceForVnode(vnode // we know it's MountedComponentVNode but flow doesn't
|
|
) {
|
|
var vnodeComponentOptions = vnode.componentOptions;
|
|
var options = {
|
|
_isComponent: true,
|
|
parent: vnodeComponentOptions.parent,
|
|
propsData: vnodeComponentOptions.propsData,
|
|
_componentTag: vnodeComponentOptions.tag,
|
|
_parentVnode: vnode,
|
|
_parentListeners: vnodeComponentOptions.listeners,
|
|
_renderChildren: vnodeComponentOptions.children
|
|
};
|
|
// check inline-template render functions
|
|
var inlineTemplate = vnode.data.inlineTemplate;
|
|
if (inlineTemplate) {
|
|
options.render = inlineTemplate.render;
|
|
options.staticRenderFns = inlineTemplate.staticRenderFns;
|
|
}
|
|
return new vnodeComponentOptions.Ctor(options);
|
|
}
|
|
|
|
function init(vnode, hydrating) {
|
|
if (!vnode.child) {
|
|
var child = vnode.child = createComponentInstanceForVnode(vnode);
|
|
child.$mount(hydrating ? vnode.elm : undefined, hydrating);
|
|
}
|
|
}
|
|
|
|
function prepatch(oldVnode, vnode) {
|
|
var options = vnode.componentOptions;
|
|
vnode.child = oldVnode.child;
|
|
vnode.child._updateFromParent(options.propsData, // updated props
|
|
options.listeners, // updated listeners
|
|
vnode, // new parent vnode
|
|
options.children // new children
|
|
);
|
|
}
|
|
|
|
function insert(vnode) {
|
|
if (!vnode.child._isMounted) {
|
|
vnode.child._isMounted = true;
|
|
callHook(vnode.child, 'mounted');
|
|
}
|
|
if (vnode.data.keepAlive) {
|
|
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, cb) {
|
|
if (factory.requested) {
|
|
// pool callbacks
|
|
factory.pendingCallbacks.push(cb);
|
|
} else {
|
|
var _ret2 = function () {
|
|
factory.requested = true;
|
|
var cbs = factory.pendingCallbacks = [cb];
|
|
var sync = true;
|
|
factory(
|
|
// resolve
|
|
function (res) {
|
|
if (isObject(res)) {
|
|
res = Vue.extend(res);
|
|
}
|
|
// cache resolved
|
|
factory.resolved = res;
|
|
// invoke callbacks only if this is not a synchronous resolve
|
|
// (async resolves are shimmed as synchronous during SSR)
|
|
if (!sync) {
|
|
for (var i = 0, l = cbs.length; i < l; i++) {
|
|
cbs[i](res);
|
|
}
|
|
}
|
|
},
|
|
// reject
|
|
function (reason) {
|
|
process.env.NODE_ENV !== 'production' && warn('Failed to resolve async component: ' + factory + (reason ? '\nReason: ' + reason : ''));
|
|
});
|
|
sync = false;
|
|
// return in case resolved synchronously
|
|
return {
|
|
v: factory.resolved
|
|
};
|
|
}();
|
|
|
|
if (typeof _ret2 === "object") return _ret2.v;
|
|
}
|
|
}
|
|
|
|
function extractProps(data, Ctor) {
|
|
// we are only extrating raw values here.
|
|
// validation and default values are handled in the child
|
|
// component itself.
|
|
var propOptions = Ctor.options.props;
|
|
if (!propOptions) {
|
|
return;
|
|
}
|
|
var res = {};
|
|
var attrs = data.attrs;
|
|
var props = data.props;
|
|
var staticAttrs = data.staticAttrs;
|
|
if (!attrs && !props && !staticAttrs) {
|
|
return res;
|
|
}
|
|
for (var key in propOptions) {
|
|
var altKey = hyphenate(key);
|
|
checkProp(res, attrs, key, altKey) || checkProp(res, props, key, altKey) || checkProp(res, staticAttrs, key, altKey);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
function checkProp(res, hash, key, altKey) {
|
|
if (hash) {
|
|
if (hasOwn(hash, key)) {
|
|
res[key] = hash[key];
|
|
delete hash[key];
|
|
return true;
|
|
} else if (hasOwn(hash, altKey)) {
|
|
res[key] = hash[altKey];
|
|
delete hash[altKey];
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
function mergeHooks(data) {
|
|
if (!data.hook) {
|
|
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$1(a, b) {
|
|
// since all hooks have at most two args, use fixed args
|
|
// to avoid having to use fn.apply().
|
|
return function (_, __) {
|
|
a(_, __);
|
|
b(_, __);
|
|
};
|
|
}
|
|
|
|
// wrapper function for providing a more flexible interface
|
|
// without getting yelled at by flow
|
|
function createElement(tag, data, children) {
|
|
if (data && (Array.isArray(data) || typeof data !== 'object')) {
|
|
children = data;
|
|
data = undefined;
|
|
}
|
|
// make sure to use real instance instead of proxy as context
|
|
return _createElement(this._self, tag, data, children);
|
|
}
|
|
|
|
function _createElement(context, tag, data, children) {
|
|
var parent = renderState.activeInstance;
|
|
var host = context !== parent ? parent : undefined;
|
|
if (!parent) {
|
|
process.env.NODE_ENV !== 'production' && warn('createElement cannot be called outside of component ' + 'render functions.');
|
|
return;
|
|
}
|
|
if (data && data.__ob__) {
|
|
process.env.NODE_ENV !== 'production' && warn('Avoid using observed data object as vnode data: ' + JSON.stringify(data) + '\n' + 'Always create fresh vnode data objects in each render!', context);
|
|
return;
|
|
}
|
|
if (!tag) {
|
|
// in case of component :is set to falsy value
|
|
return emptyVNode();
|
|
}
|
|
if (typeof tag === 'string') {
|
|
var Ctor = void 0;
|
|
var ns = config.getTagNamespace(tag);
|
|
if (config.isReservedTag(tag)) {
|
|
// platform built-in elements
|
|
return new VNode(tag, data, normalizeChildren(children, ns), undefined, undefined, ns, context, host);
|
|
} else if (Ctor = resolveAsset(context.$options, 'components', tag)) {
|
|
// component
|
|
return createComponent(Ctor, data, parent, context, host, children, tag);
|
|
} else {
|
|
// unknown or unlisted namespaced elements
|
|
// check at runtime because it may get assigned a namespace when its
|
|
// parent normalizes children
|
|
return new VNode(tag, data, normalizeChildren(children, ns), undefined, undefined, ns, context, host);
|
|
}
|
|
} else {
|
|
// direct component options / constructor
|
|
return createComponent(tag, data, parent, context, host, children);
|
|
}
|
|
}
|
|
|
|
var renderState = {
|
|
activeInstance: null
|
|
};
|
|
|
|
function initRender(vm) {
|
|
vm.$vnode = null; // the placeholder node in parent tree
|
|
vm._vnode = null; // the root of the child tree
|
|
vm._staticTrees = null;
|
|
vm.$slots = {};
|
|
// bind the public createElement fn to this instance
|
|
// so that we get proper render context inside it.
|
|
vm.$createElement = bind(createElement, vm);
|
|
if (vm.$options.el) {
|
|
vm.$mount(vm.$options.el);
|
|
}
|
|
}
|
|
|
|
function renderMixin(Vue) {
|
|
Vue.prototype.$nextTick = function (fn) {
|
|
nextTick(fn, this);
|
|
};
|
|
|
|
Vue.prototype._render = function () {
|
|
var vm = this;
|
|
|
|
// set current active instance
|
|
var prev = renderState.activeInstance;
|
|
renderState.activeInstance = vm;
|
|
|
|
var _vm$$options = vm.$options;
|
|
var render = _vm$$options.render;
|
|
var staticRenderFns = _vm$$options.staticRenderFns;
|
|
var _renderChildren = _vm$$options._renderChildren;
|
|
var _parentVnode = _vm$$options._parentVnode;
|
|
|
|
|
|
if (staticRenderFns && !vm._staticTrees) {
|
|
vm._staticTrees = [];
|
|
}
|
|
// set parent vnode. this allows render functions to have access
|
|
// to the data on the placeholder node.
|
|
vm.$vnode = _parentVnode;
|
|
// resolve slots. becaues slots are rendered in parent scope,
|
|
// we set the activeInstance to parent.
|
|
if (_renderChildren) {
|
|
resolveSlots(vm, _renderChildren);
|
|
}
|
|
// render self
|
|
var vnode = void 0;
|
|
try {
|
|
vnode = render.call(vm._renderProxy, vm.$createElement);
|
|
} catch (e) {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
warn('Error when rendering ' + formatComponentName(vm) + ':');
|
|
}
|
|
/* istanbul ignore else */
|
|
if (config.errorHandler) {
|
|
config.errorHandler.call(null, e, vm);
|
|
} else {
|
|
if (config._isServer) {
|
|
throw e;
|
|
} else {
|
|
setTimeout(function () {
|
|
throw e;
|
|
}, 0);
|
|
}
|
|
}
|
|
// return previous vnode to prevent render error causing blank component
|
|
vnode = vm._vnode;
|
|
}
|
|
// return empty vnode in case the render function errored out
|
|
if (!(vnode instanceof VNode)) {
|
|
if (process.env.NODE_ENV !== 'production' && Array.isArray(vnode)) {
|
|
warn('Multiple root nodes returned from render function. Render function ' + 'should return a single root node.', vm);
|
|
}
|
|
vnode = emptyVNode();
|
|
}
|
|
// set parent
|
|
vnode.parent = _parentVnode;
|
|
// restore render state
|
|
renderState.activeInstance = prev;
|
|
return vnode;
|
|
};
|
|
|
|
// shorthands used in render functions
|
|
Vue.prototype._h = createElement;
|
|
// toString for mustaches
|
|
Vue.prototype._s = _toString;
|
|
// number conversion
|
|
Vue.prototype._n = toNumber;
|
|
|
|
//
|
|
Vue.prototype._m = function renderStatic(index) {
|
|
return this._staticTrees[index] || (this._staticTrees[index] = this.$options.staticRenderFns[index].call(this._renderProxy));
|
|
};
|
|
|
|
// filter resolution helper
|
|
var identity = function identity(_) {
|
|
return _;
|
|
};
|
|
Vue.prototype._f = function resolveFilter(id) {
|
|
return resolveAsset(this.$options, 'filters', id, true) || identity;
|
|
};
|
|
|
|
// render v-for
|
|
Vue.prototype._l = function renderList(val, render) {
|
|
var ret = void 0,
|
|
i = void 0,
|
|
l = void 0,
|
|
keys = void 0,
|
|
key = void 0;
|
|
if (Array.isArray(val)) {
|
|
ret = new Array(val.length);
|
|
for (i = 0, l = val.length; i < l; i++) {
|
|
ret[i] = render(val[i], i);
|
|
}
|
|
} 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;
|
|
};
|
|
|
|
// apply v-bind object
|
|
Vue.prototype._b = function bindProps(vnode, value) {
|
|
if (value) {
|
|
if (!isObject(value)) {
|
|
process.env.NODE_ENV !== 'production' && warn('v-bind without argument expects an Object or Array value', this);
|
|
} else {
|
|
if (Array.isArray(value)) {
|
|
value = toObject(value);
|
|
}
|
|
var data = vnode.data;
|
|
for (var key in value) {
|
|
var hash = config.mustUseProp(key) ? data.props || (data.props = {}) : data.attrs || (data.attrs = {});
|
|
hash[key] = value[key];
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
// expose v-on keyCodes
|
|
Vue.prototype._k = function getKeyCodes(key) {
|
|
return config.keyCodes[key];
|
|
};
|
|
}
|
|
|
|
function resolveSlots(vm, renderChildren) {
|
|
var slots = vm.$slots = {};
|
|
var children = normalizeChildren(renderChildren) || [];
|
|
var defaultSlot = [];
|
|
var name = void 0,
|
|
child = void 0;
|
|
for (var i = 0, l = children.length; i < l; i++) {
|
|
child = children[i];
|
|
if (child.data && (name = child.data.slot)) {
|
|
delete child.data.slot;
|
|
var slot = slots[name] || (slots[name] = []);
|
|
if (child.tag === 'template') {
|
|
slot.push.apply(slot, child.children);
|
|
} else {
|
|
slot.push(child);
|
|
}
|
|
} else {
|
|
defaultSlot.push(child);
|
|
}
|
|
}
|
|
// ignore single whitespace
|
|
if (defaultSlot.length && !(defaultSlot.length === 1 && defaultSlot[0].text === ' ')) {
|
|
slots.default = defaultSlot;
|
|
}
|
|
}
|
|
|
|
function initEvents(vm) {
|
|
vm._events = Object.create(null);
|
|
// init parent attached events
|
|
var listeners = vm.$options._parentListeners;
|
|
var on = bind(vm.$on, vm);
|
|
var off = bind(vm.$off, vm);
|
|
vm._updateListeners = function (listeners, oldListeners) {
|
|
updateListeners(listeners, oldListeners || {}, on, off);
|
|
};
|
|
if (listeners) {
|
|
vm._updateListeners(listeners);
|
|
}
|
|
}
|
|
|
|
function eventsMixin(Vue) {
|
|
Vue.prototype.$on = function (event, fn) {
|
|
var vm = this;(vm._events[event] || (vm._events[event] = [])).push(fn);
|
|
return vm;
|
|
};
|
|
|
|
Vue.prototype.$once = function (event, fn) {
|
|
var vm = this;
|
|
function on() {
|
|
vm.$off(event, on);
|
|
fn.apply(vm, arguments);
|
|
}
|
|
on.fn = fn;
|
|
vm.$on(event, on);
|
|
return vm;
|
|
};
|
|
|
|
Vue.prototype.$off = function (event, fn) {
|
|
var vm = this;
|
|
// all
|
|
if (!arguments.length) {
|
|
vm._events = Object.create(null);
|
|
return vm;
|
|
}
|
|
// specific event
|
|
var cbs = vm._events[event];
|
|
if (!cbs) {
|
|
return vm;
|
|
}
|
|
if (arguments.length === 1) {
|
|
vm._events[event] = null;
|
|
return vm;
|
|
}
|
|
// specific handler
|
|
var cb = void 0;
|
|
var i = cbs.length;
|
|
while (i--) {
|
|
cb = cbs[i];
|
|
if (cb === fn || cb.fn === fn) {
|
|
cbs.splice(i, 1);
|
|
break;
|
|
}
|
|
}
|
|
return vm;
|
|
};
|
|
|
|
Vue.prototype.$emit = function (event) {
|
|
var vm = this;
|
|
var cbs = vm._events[event];
|
|
if (cbs) {
|
|
cbs = cbs.length > 1 ? toArray$1(cbs) : cbs;
|
|
var args = toArray$1(arguments, 1);
|
|
for (var i = 0, l = cbs.length; i < l; i++) {
|
|
cbs[i].apply(vm, args);
|
|
}
|
|
}
|
|
return vm;
|
|
};
|
|
}
|
|
|
|
var uid = 0;
|
|
|
|
function initMixin(Vue) {
|
|
Vue.prototype._init = function (options) {
|
|
var vm = this;
|
|
// a uid
|
|
vm._uid = uid++;
|
|
// a flag to avoid this being observed
|
|
vm._isVue = true;
|
|
// merge options
|
|
if (options && options._isComponent) {
|
|
// optimize internal component instantiation
|
|
// since dynamic options merging is pretty slow, and none of the
|
|
// internal component options needs special treatment.
|
|
initInternalComponent(vm, options);
|
|
} else {
|
|
vm.$options = mergeOptions(resolveConstructorOptions(vm), 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(resolveConstructorOptions(vm));
|
|
// doing this because it's faster than dynamic enumeration.
|
|
opts.parent = options.parent;
|
|
opts.propsData = options.propsData;
|
|
opts._parentVnode = options._parentVnode;
|
|
opts._parentListeners = options._parentListeners;
|
|
opts._renderChildren = options._renderChildren;
|
|
opts._componentTag = options._componentTag;
|
|
if (options.render) {
|
|
opts.render = options.render;
|
|
opts.staticRenderFns = options.staticRenderFns;
|
|
}
|
|
}
|
|
|
|
function resolveConstructorOptions(vm) {
|
|
var Ctor = vm.constructor;
|
|
var options = Ctor.options;
|
|
if (Ctor.super) {
|
|
var superOptions = Ctor.super.options;
|
|
var cachedSuperOptions = Ctor.superOptions;
|
|
if (superOptions !== cachedSuperOptions) {
|
|
// super option changed
|
|
Ctor.superOptions = superOptions;
|
|
options = Ctor.options = mergeOptions(superOptions, Ctor.extendOptions);
|
|
if (options.name) {
|
|
options.components[options.name] = Ctor;
|
|
}
|
|
}
|
|
}
|
|
return options;
|
|
}
|
|
}
|
|
|
|
function Vue(options) {
|
|
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);
|
|
};
|
|
|
|
strats.name = function (parent, child, vm) {
|
|
if (vm) {
|
|
warn('options "name" can only be used as a component definition option, ' + 'not during instance creation.');
|
|
}
|
|
return defaultStrat(parent, child);
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Helper that recursively merges two data objects together.
|
|
*/
|
|
function mergeData(to, from) {
|
|
var key = void 0,
|
|
toVal = void 0,
|
|
fromVal = void 0;
|
|
for (key in from) {
|
|
toVal = to[key];
|
|
fromVal = from[key];
|
|
if (!hasOwn(to, key)) {
|
|
set$1(to, key, fromVal);
|
|
} else if (isObject(toVal) && isObject(fromVal)) {
|
|
mergeData(toVal, fromVal);
|
|
}
|
|
}
|
|
return to;
|
|
}
|
|
|
|
/**
|
|
* Data
|
|
*/
|
|
strats.data = function (parentVal, childVal, vm) {
|
|
if (!vm) {
|
|
// in a Vue.extend merge, both should be functions
|
|
if (!childVal) {
|
|
return parentVal;
|
|
}
|
|
if (typeof childVal !== 'function') {
|
|
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 defaultStrat(parentVal, childVal) {
|
|
return childVal === undefined ? parentVal : childVal;
|
|
};
|
|
|
|
/**
|
|
* Make sure component options get converted to actual
|
|
* constructors.
|
|
*/
|
|
function normalizeComponents(options) {
|
|
if (options.components) {
|
|
var components = options.components;
|
|
var def = void 0;
|
|
for (var key in components) {
|
|
var lower = key.toLowerCase();
|
|
if (isBuiltInTag(lower) || config.isReservedTag(lower)) {
|
|
process.env.NODE_ENV !== 'production' && warn('Do not use built-in or reserved HTML elements as component ' + 'id: ' + key);
|
|
continue;
|
|
}
|
|
def = components[key];
|
|
if (isPlainObject(def)) {
|
|
components[key] = Vue.extend(def);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Ensure all props option syntax are normalized into the
|
|
* Object-based format.
|
|
*/
|
|
function normalizeProps(options) {
|
|
var props = options.props;
|
|
if (!props) return;
|
|
var res = {};
|
|
var i = void 0,
|
|
val = void 0,
|
|
name = void 0;
|
|
if (Array.isArray(props)) {
|
|
i = props.length;
|
|
while (i--) {
|
|
val = props[i];
|
|
if (typeof val === 'string') {
|
|
name = camelize(val);
|
|
res[name] = { type: null };
|
|
} else if (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) {
|
|
normalizeComponents(child);
|
|
normalizeProps(child);
|
|
normalizeDirectives(child);
|
|
var extendsFrom = child.extends;
|
|
if (extendsFrom) {
|
|
parent = typeof extendsFrom === 'function' ? mergeOptions(parent, extendsFrom.options, vm) : mergeOptions(parent, extendsFrom, vm);
|
|
}
|
|
if (child.mixins) {
|
|
for (var i = 0, l = child.mixins.length; i < l; i++) {
|
|
var mixin = child.mixins[i];
|
|
if (mixin.prototype instanceof Vue) {
|
|
mixin = mixin.options;
|
|
}
|
|
parent = mergeOptions(parent, mixin, vm);
|
|
}
|
|
}
|
|
var options = {};
|
|
var key = void 0;
|
|
for (key in parent) {
|
|
mergeField(key);
|
|
}
|
|
for (key in child) {
|
|
if (!hasOwn(parent, key)) {
|
|
mergeField(key);
|
|
}
|
|
}
|
|
function mergeField(key) {
|
|
var strat = strats[key] || defaultStrat;
|
|
options[key] = strat(parent[key], child[key], vm, key);
|
|
}
|
|
return options;
|
|
}
|
|
|
|
/**
|
|
* Resolve an asset.
|
|
* This function is used because child instances need access
|
|
* to assets defined in its ancestor chain.
|
|
*/
|
|
function resolveAsset(options, type, id, warnMissing) {
|
|
/* istanbul ignore if */
|
|
if (typeof id !== 'string') {
|
|
return;
|
|
}
|
|
var assets = options[type];
|
|
var res = assets[id] ||
|
|
// camelCase ID
|
|
assets[camelize(id)] ||
|
|
// Pascal Case ID
|
|
assets[capitalize(camelize(id))];
|
|
if (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) {
|
|
/* istanbul ignore if */
|
|
if (!propsData) return;
|
|
var prop = propOptions[key];
|
|
var absent = !hasOwn(propsData, key);
|
|
var value = propsData[key];
|
|
// handle boolean props
|
|
if (prop.type === Boolean) {
|
|
if (absent && !hasOwn(prop, 'default')) {
|
|
value = false;
|
|
} else if (value === '' || value === hyphenate(key)) {
|
|
value = true;
|
|
}
|
|
}
|
|
// check default value
|
|
if (value === undefined) {
|
|
value = getPropDefaultValue(vm, prop, key);
|
|
// since the default value is a fresh copy,
|
|
// make sure to observe it.
|
|
observerState.shouldConvert = true;
|
|
observe(value);
|
|
observerState.shouldConvert = false;
|
|
}
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
assertProp(prop, key, value, vm, absent);
|
|
}
|
|
return value;
|
|
}
|
|
|
|
/**
|
|
* Get the default value of a prop.
|
|
*/
|
|
function getPropDefaultValue(vm, prop, name) {
|
|
// no default, return undefined
|
|
if (!hasOwn(prop, 'default')) {
|
|
return undefined;
|
|
}
|
|
var def = prop.default;
|
|
// warn against non-factory defaults for Object & Array
|
|
if (isObject(def)) {
|
|
process.env.NODE_ENV !== 'production' && warn('Invalid default value for prop "' + name + '": ' + 'Props with type Object/Array must use a factory function ' + 'to return the default value.', vm);
|
|
}
|
|
// call factory function for non-Function types
|
|
return typeof def === 'function' && prop.type !== Function ? def.call(vm) : def;
|
|
}
|
|
|
|
/**
|
|
* Assert whether a prop is valid.
|
|
*/
|
|
function assertProp(prop, name, value, vm, absent) {
|
|
if (prop.required && absent) {
|
|
warn('Missing required prop: "' + name + '"', vm);
|
|
return;
|
|
}
|
|
if (value == null && !prop.required) {
|
|
return;
|
|
}
|
|
var type = prop.type;
|
|
var valid = !type;
|
|
var expectedTypes = [];
|
|
if (type) {
|
|
if (!Array.isArray(type)) {
|
|
type = [type];
|
|
}
|
|
for (var i = 0; i < type.length && !valid; i++) {
|
|
var assertedType = assertType(value, type[i]);
|
|
expectedTypes.push(assertedType.expectedType);
|
|
valid = assertedType.valid;
|
|
}
|
|
}
|
|
if (!valid) {
|
|
warn('Invalid prop: type check failed for prop "' + name + '".' + ' Expected ' + expectedTypes.map(capitalize).join(', ') + ', got ' + Object.prototype.toString.call(value).slice(8, -1) + '.', vm);
|
|
return;
|
|
}
|
|
var validator = prop.validator;
|
|
if (validator) {
|
|
if (!validator(value)) {
|
|
warn('Invalid prop: custom validator check failed for prop "' + name + '".', vm);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Assert the type of a value
|
|
*/
|
|
function assertType(value, type) {
|
|
var valid = void 0;
|
|
var expectedType = void 0;
|
|
if (type === String) {
|
|
expectedType = 'string';
|
|
valid = typeof value === expectedType;
|
|
} else if (type === Number) {
|
|
expectedType = 'number';
|
|
valid = typeof value === expectedType;
|
|
} else if (type === Boolean) {
|
|
expectedType = 'boolean';
|
|
valid = typeof value === expectedType;
|
|
} else if (type === Function) {
|
|
expectedType = 'function';
|
|
valid = typeof value === expectedType;
|
|
} else if (type === Object) {
|
|
expectedType = 'Object';
|
|
valid = isPlainObject(value);
|
|
} else if (type === Array) {
|
|
expectedType = 'Array';
|
|
valid = Array.isArray(value);
|
|
} else {
|
|
expectedType = type.name || type.toString();
|
|
valid = value instanceof type;
|
|
}
|
|
return {
|
|
valid: valid,
|
|
expectedType: expectedType
|
|
};
|
|
}
|
|
|
|
// attributes that should be using props for binding
|
|
var mustUseProp = makeMap('value,selected,checked,muted');
|
|
|
|
var isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck');
|
|
|
|
var isBooleanAttr = makeMap('allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,' + 'default,defaultchecked,defaultmuted,defaultselected,defer,disabled,' + 'enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,' + 'muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,' + 'required,reversed,scoped,seamless,selected,sortable,translate,' + 'truespeed,typemustmatch,visible');
|
|
|
|
var isAttr = makeMap('accept,accept-charset,accesskey,action,align,alt,async,autocomplete,' + 'autofocus,autoplay,autosave,bgcolor,border,buffered,challenge,charset,' + 'checked,cite,class,code,codebase,color,cols,colspan,content,http-equiv,' + 'name,contenteditable,contextmenu,controls,coords,data,datetime,default,' + 'defer,dir,dirname,disabled,download,draggable,dropzone,enctype,method,for,' + 'form,formaction,headers,<th>,height,hidden,high,href,hreflang,http-equiv,' + 'icon,id,ismap,itemprop,keytype,kind,label,lang,language,list,loop,low,' + 'manifest,max,maxlength,media,method,GET,POST,min,multiple,email,file,' + 'muted,name,novalidate,open,optimum,pattern,ping,placeholder,poster,' + 'preload,radiogroup,readonly,rel,required,reversed,rows,rowspan,sandbox,' + 'scope,scoped,seamless,selected,shape,size,type,text,password,sizes,span,' + 'spellcheck,src,srcdoc,srclang,srcset,start,step,style,summary,tabindex,' + 'target,title,type,usemap,value,width,wrap');
|
|
|
|
/* istanbul ignore next */
|
|
var isRenderableAttr = function isRenderableAttr(name) {
|
|
return isAttr(name) || name.indexOf('data-') === 0 || name.indexOf('aria-') === 0;
|
|
};
|
|
var propsToAttrMap = {
|
|
acceptCharset: 'accept-charset',
|
|
className: 'class',
|
|
htmlFor: 'for',
|
|
httpEquiv: 'http-equiv'
|
|
};
|
|
|
|
var isFalsyAttrValue = function isFalsyAttrValue(val) {
|
|
return val == null || val === false;
|
|
};
|
|
|
|
function genClassForVnode(vnode) {
|
|
var data = vnode.data;
|
|
// Important: check if this is a component container node
|
|
// or a child component root node
|
|
var i = void 0;
|
|
if ((i = vnode.child) && (i = i._vnode.data)) {
|
|
data = mergeClassData(i, data);
|
|
}
|
|
if ((i = vnode.parent) && (i = i.data)) {
|
|
data = mergeClassData(data, i);
|
|
}
|
|
return genClassFromData(data);
|
|
}
|
|
|
|
function mergeClassData(child, parent) {
|
|
return {
|
|
staticClass: concat(child.staticClass, parent.staticClass),
|
|
class: child.class ? [child.class, parent.class] : parent.class
|
|
};
|
|
}
|
|
|
|
function genClassFromData(data) {
|
|
var dynamicClass = data.class;
|
|
var staticClass = data.staticClass;
|
|
if (staticClass || dynamicClass) {
|
|
return concat(staticClass, stringifyClass(dynamicClass));
|
|
}
|
|
/* istanbul ignore next */
|
|
return '';
|
|
}
|
|
|
|
function concat(a, b) {
|
|
return a ? b ? a + ' ' + b : a : b || '';
|
|
}
|
|
|
|
function stringifyClass(value) {
|
|
var res = '';
|
|
if (!value) {
|
|
return res;
|
|
}
|
|
if (typeof value === 'string') {
|
|
return value;
|
|
}
|
|
if (Array.isArray(value)) {
|
|
var stringified = void 0;
|
|
for (var i = 0, l = value.length; i < l; i++) {
|
|
if (value[i]) {
|
|
if (stringified = stringifyClass(value[i])) {
|
|
res += stringified + ' ';
|
|
}
|
|
}
|
|
}
|
|
return res.slice(0, -1);
|
|
}
|
|
if (isObject(value)) {
|
|
for (var key in value) {
|
|
if (value[key]) res += key + ' ';
|
|
}
|
|
return res.slice(0, -1);
|
|
}
|
|
/* istanbul ignore next */
|
|
return res;
|
|
}
|
|
|
|
var 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');
|
|
|
|
var isUnaryTag = makeMap('area,base,br,col,embed,frame,hr,img,input,isindex,keygen,' + 'link,meta,param,source,track,wbr', true);
|
|
|
|
// Elements that you can, intentionally, leave open
|
|
// (and which close themselves)
|
|
var canBeLeftOpenTag = makeMap('colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr,source', true);
|
|
|
|
// HTML5 tags https://html.spec.whatwg.org/multipage/indices.html#elements-3
|
|
// Phrasing Content https://html.spec.whatwg.org/multipage/dom.html#phrasing-content
|
|
var isNonPhrasingTag = makeMap('address,article,aside,base,blockquote,body,caption,col,colgroup,dd,' + 'details,dialog,div,dl,dt,fieldset,figcaption,figure,footer,form,' + 'h1,h2,h3,h4,h5,h6,head,header,hgroup,hr,html,legend,li,menuitem,meta,' + 'optgroup,option,param,rp,rt,source,style,summary,tbody,td,tfoot,th,thead,' + 'title,tr,track', true);
|
|
|
|
// this map is intentionally selective, only covering SVG elements that may
|
|
// contain child elements.
|
|
var isSVG = makeMap('svg,animate,circle,clippath,cursor,defs,desc,ellipse,filter,font,' + 'font-face,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' + 'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view', true);
|
|
|
|
var isReservedTag = function isReservedTag(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 UA = inBrowser && window.navigator.userAgent.toLowerCase();
|
|
var isIE = UA && /msie|trident/.test(UA);
|
|
var isIE9 = UA && UA.indexOf('msie 9.0') > 0;
|
|
var isAndroid = UA && UA.indexOf('android') > 0;
|
|
|
|
// Regular Expressions for parsing tags and attributes
|
|
var singleAttrIdentifier = /([^\s"'<>\/=]+)/;
|
|
var singleAttrAssign = /=/;
|
|
var singleAttrAssigns = [singleAttrAssign];
|
|
var singleAttrValues = [
|
|
// attr value double quotes
|
|
/"([^"]*)"+/.source,
|
|
// attr value, single quotes
|
|
/'([^']*)'+/.source,
|
|
// attr value, no quotes
|
|
/([^\s"'=<>`]+)/.source];
|
|
// could use https://www.w3.org/TR/1999/REC-xml-names-19990114/#NT-QName
|
|
// but for Vue templates we can enforce a simple charset
|
|
var ncname = '[a-zA-Z_][\\w\\-\\.]*';
|
|
var qnameCapture = '((?:' + ncname + '\\:)?' + ncname + ')';
|
|
var startTagOpen = new RegExp('^<' + qnameCapture);
|
|
var startTagClose = /^\s*(\/?)>/;
|
|
var endTag = new RegExp('^<\\/' + qnameCapture + '[^>]*>');
|
|
var doctype = /^<!DOCTYPE [^>]+>/i;
|
|
|
|
var IS_REGEX_CAPTURING_BROKEN = false;
|
|
'x'.replace(/x(.)?/g, function (m, g) {
|
|
IS_REGEX_CAPTURING_BROKEN = g === '';
|
|
});
|
|
|
|
// Special Elements (can contain anything)
|
|
var isSpecialTag = makeMap('script,style', true);
|
|
|
|
var reCache = {};
|
|
|
|
function attrForHandler(handler) {
|
|
var pattern = singleAttrIdentifier.source + '(?:\\s*(' + joinSingleAttrAssigns(handler) + ')' + '\\s*(?:' + singleAttrValues.join('|') + '))?';
|
|
return new RegExp('^\\s*' + pattern);
|
|
}
|
|
|
|
function joinSingleAttrAssigns(handler) {
|
|
return singleAttrAssigns.map(function (assign) {
|
|
return '(?:' + assign.source + ')';
|
|
}).join('|');
|
|
}
|
|
|
|
function parseHTML(html, handler) {
|
|
var stack = [];
|
|
var attribute = attrForHandler(handler);
|
|
var expectHTML = handler.expectHTML;
|
|
var isUnaryTag = handler.isUnaryTag || no;
|
|
var index = 0;
|
|
var last = void 0,
|
|
lastTag = void 0;
|
|
while (html) {
|
|
last = html;
|
|
// Make sure we're not in a script or style element
|
|
if (!lastTag || !isSpecialTag(lastTag)) {
|
|
var textEnd = html.indexOf('<');
|
|
if (textEnd === 0) {
|
|
// Comment:
|
|
if (/^<!--/.test(html)) {
|
|
var commentEnd = html.indexOf('-->');
|
|
|
|
if (commentEnd >= 0) {
|
|
advance(commentEnd + 3);
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// http://en.wikipedia.org/wiki/Conditional_comment#Downlevel-revealed_conditional_comment
|
|
if (/^<!\[/.test(html)) {
|
|
var conditionalEnd = html.indexOf(']>');
|
|
|
|
if (conditionalEnd >= 0) {
|
|
advance(conditionalEnd + 2);
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// Doctype:
|
|
var doctypeMatch = html.match(doctype);
|
|
if (doctypeMatch) {
|
|
if (handler.doctype) {
|
|
handler.doctype(doctypeMatch[0]);
|
|
}
|
|
advance(doctypeMatch[0].length);
|
|
continue;
|
|
}
|
|
|
|
// End tag:
|
|
var endTagMatch = html.match(endTag);
|
|
if (endTagMatch) {
|
|
var curIndex = index;
|
|
advance(endTagMatch[0].length);
|
|
parseEndTag(endTagMatch[0], endTagMatch[1], curIndex, index);
|
|
continue;
|
|
}
|
|
|
|
// Start tag:
|
|
var startTagMatch = parseStartTag();
|
|
if (startTagMatch) {
|
|
handleStartTag(startTagMatch);
|
|
continue;
|
|
}
|
|
}
|
|
|
|
var text = void 0;
|
|
if (textEnd >= 0) {
|
|
text = html.substring(0, textEnd);
|
|
advance(textEnd);
|
|
} else {
|
|
text = html;
|
|
html = '';
|
|
}
|
|
|
|
if (handler.chars) {
|
|
handler.chars(text);
|
|
}
|
|
} else {
|
|
(function () {
|
|
var stackedTag = lastTag.toLowerCase();
|
|
var reStackedTag = reCache[stackedTag] || (reCache[stackedTag] = new RegExp('([\\s\\S]*?)(</' + stackedTag + '[^>]*>)', 'i'));
|
|
var endTagLength = 0;
|
|
var rest = html.replace(reStackedTag, function (all, text, endTag) {
|
|
endTagLength = endTag.length;
|
|
if (stackedTag !== 'script' && stackedTag !== 'style' && stackedTag !== 'noscript') {
|
|
text = text.replace(/<!--([\s\S]*?)-->/g, '$1').replace(/<!\[CDATA\[([\s\S]*?)\]\]>/g, '$1');
|
|
}
|
|
if (handler.chars) {
|
|
handler.chars(text);
|
|
}
|
|
return '';
|
|
});
|
|
index += html.length - rest.length;
|
|
html = rest;
|
|
parseEndTag('</' + stackedTag + '>', stackedTag, index - endTagLength, index);
|
|
})();
|
|
}
|
|
|
|
if (html === last) {
|
|
throw new Error('Error parsing template:\n\n' + html);
|
|
}
|
|
}
|
|
|
|
// 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 = void 0,
|
|
attr = void 0;
|
|
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(tagName) || tagName === 'html' && lastTag === 'head' || !!unarySlash;
|
|
|
|
var l = match.attrs.length;
|
|
var attrs = new Array(l);
|
|
for (var i = 0; i < l; i++) {
|
|
var args = match.attrs[i];
|
|
// hackish work around FF bug https://bugzilla.mozilla.org/show_bug.cgi?id=369778
|
|
if (IS_REGEX_CAPTURING_BROKEN && args[0].indexOf('""') === -1) {
|
|
if (args[3] === '') {
|
|
delete args[3];
|
|
}
|
|
if (args[4] === '') {
|
|
delete args[4];
|
|
}
|
|
if (args[5] === '') {
|
|
delete args[5];
|
|
}
|
|
}
|
|
attrs[i] = {
|
|
name: args[1],
|
|
value: entities.decodeHTML(args[3] || args[4] || args[5] || '')
|
|
};
|
|
}
|
|
|
|
if (!unary) {
|
|
stack.push({ tag: tagName, attrs: attrs });
|
|
lastTag = tagName;
|
|
unarySlash = '';
|
|
}
|
|
|
|
if (handler.start) {
|
|
handler.start(tagName, attrs, unary, match.start, match.end);
|
|
}
|
|
}
|
|
|
|
function parseEndTag(tag, tagName, start, end) {
|
|
var pos = void 0;
|
|
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 (handler.end) {
|
|
handler.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 (handler.start) {
|
|
handler.start(tagName, [], true, start, end);
|
|
}
|
|
} else if (tagName.toLowerCase() === 'p') {
|
|
if (handler.start) {
|
|
handler.start(tagName, [], false, start, end);
|
|
}
|
|
if (handler.end) {
|
|
handler.end(tagName, start, end);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function parseFilters(exp) {
|
|
var inSingle = false;
|
|
var inDouble = false;
|
|
var curly = 0;
|
|
var square = 0;
|
|
var paren = 0;
|
|
var lastFilterIndex = 0;
|
|
var c = void 0,
|
|
prev = void 0,
|
|
i = void 0,
|
|
expression = void 0,
|
|
filters = void 0;
|
|
|
|
for (i = 0; i < exp.length; i++) {
|
|
prev = c;
|
|
c = exp.charCodeAt(i);
|
|
if (inSingle) {
|
|
// check single quote
|
|
if (c === 0x27 && prev !== 0x5C) inSingle = !inSingle;
|
|
} else if (inDouble) {
|
|
// check double quote
|
|
if (c === 0x22 && prev !== 0x5C) inDouble = !inDouble;
|
|
} else if (c === 0x7C && // pipe
|
|
exp.charCodeAt(i + 1) !== 0x7C && exp.charCodeAt(i - 1) !== 0x7C && !curly && !square && !paren) {
|
|
if (expression === undefined) {
|
|
// first filter, end of expression
|
|
lastFilterIndex = i + 1;
|
|
expression = exp.slice(0, i).trim();
|
|
} else {
|
|
pushFilter();
|
|
}
|
|
} else {
|
|
switch (c) {
|
|
case 0x22:
|
|
inDouble = true;break; // "
|
|
case 0x27:
|
|
inSingle = true;break; // '
|
|
case 0x28:
|
|
paren++;break; // (
|
|
case 0x29:
|
|
paren--;break; // )
|
|
case 0x5B:
|
|
square++;break; // [
|
|
case 0x5D:
|
|
square--;break; // ]
|
|
case 0x7B:
|
|
curly++;break; // {
|
|
case 0x7D:
|
|
curly--;break; // }
|
|
}
|
|
}
|
|
}
|
|
|
|
if (expression === undefined) {
|
|
expression = exp.slice(0, i).trim();
|
|
} else if (lastFilterIndex !== 0) {
|
|
pushFilter();
|
|
}
|
|
|
|
function pushFilter() {
|
|
(filters || (filters = [])).push(exp.slice(lastFilterIndex, i).trim());
|
|
lastFilterIndex = i + 1;
|
|
}
|
|
|
|
if (filters) {
|
|
for (i = 0; i < filters.length; i++) {
|
|
expression = wrapFilter(expression, filters[i]);
|
|
}
|
|
}
|
|
|
|
return expression;
|
|
}
|
|
|
|
function wrapFilter(exp, filter) {
|
|
var i = filter.indexOf('(');
|
|
if (i < 0) {
|
|
// _f: resolveFilter
|
|
return '_f("' + filter + '")(' + exp + ')';
|
|
} else {
|
|
var name = filter.slice(0, i);
|
|
var args = filter.slice(i + 1);
|
|
return '_f("' + name + '")(' + exp + ',' + args;
|
|
}
|
|
}
|
|
|
|
var defaultTagRE = /\{\{((?:.|\\n)+?)\}\}/g;
|
|
var regexEscapeRE = /[-.*+?^${}()|[\]\/\\]/g;
|
|
|
|
var buildRegex = cached(function (delimiters) {
|
|
var open = delimiters[0].replace(regexEscapeRE, '\\$&');
|
|
var close = delimiters[1].replace(regexEscapeRE, '\\$&');
|
|
return new RegExp(open + '((?:.|\\n)+?)' + close, 'g');
|
|
});
|
|
|
|
function parseText(text, delimiters) {
|
|
var tagRE = delimiters ? buildRegex(delimiters) : defaultTagRE;
|
|
if (!tagRE.test(text)) {
|
|
return;
|
|
}
|
|
var tokens = [];
|
|
var lastIndex = tagRE.lastIndex = 0;
|
|
var match = void 0,
|
|
index = void 0;
|
|
while (match = tagRE.exec(text)) {
|
|
index = match.index;
|
|
// push text token
|
|
if (index > lastIndex) {
|
|
tokens.push(JSON.stringify(text.slice(lastIndex, index)));
|
|
}
|
|
// tag token
|
|
var exp = parseFilters(match[1].trim());
|
|
tokens.push('_s(' + exp + ')');
|
|
lastIndex = index + match[0].length;
|
|
}
|
|
if (lastIndex < text.length) {
|
|
tokens.push(JSON.stringify(text.slice(lastIndex)));
|
|
}
|
|
return tokens.join('+');
|
|
}
|
|
|
|
function baseWarn(msg) {
|
|
console.error('[Vue parser]: ' + msg);
|
|
}
|
|
|
|
function pluckModuleFunction(modules, key) {
|
|
return modules ? modules.map(function (m) {
|
|
return m[key];
|
|
}).filter(function (_) {
|
|
return _;
|
|
}) : [];
|
|
}
|
|
|
|
function addProp(el, name, value) {
|
|
(el.props || (el.props = [])).push({ name: name, value: value });
|
|
}
|
|
|
|
function addAttr(el, name, value) {
|
|
(el.attrs || (el.attrs = [])).push({ name: name, value: value });
|
|
}
|
|
|
|
function addStaticAttr(el, name, value) {
|
|
(el.staticAttrs || (el.staticAttrs = [])).push({ name: name, value: value });
|
|
}
|
|
|
|
function addDirective(el, name, value, arg, modifiers) {
|
|
(el.directives || (el.directives = [])).push({ name: name, value: value, arg: arg, modifiers: modifiers });
|
|
}
|
|
|
|
function addHook(el, name, code) {
|
|
var hooks = el.hooks || (el.hooks = {});
|
|
var hook = hooks[name];
|
|
/* istanbul ignore if */
|
|
if (hook) {
|
|
hook.push(code);
|
|
} else {
|
|
hooks[name] = [code];
|
|
}
|
|
}
|
|
|
|
function addHandler(el, name, value, modifiers) {
|
|
var events = el.events || (el.events = {});
|
|
// check capture modifier
|
|
if (modifiers && modifiers.capture) {
|
|
delete modifiers.capture;
|
|
name = '!' + name; // mark the event as captured
|
|
}
|
|
var newHandler = { value: value, modifiers: modifiers };
|
|
var handlers = events[name];
|
|
/* istanbul ignore if */
|
|
if (Array.isArray(handlers)) {
|
|
handlers.push(newHandler);
|
|
} else if (handlers) {
|
|
events[name] = [handlers, newHandler];
|
|
} else {
|
|
events[name] = newHandler;
|
|
}
|
|
}
|
|
|
|
function getBindingAttr(el, name, getStatic) {
|
|
var dynamicValue = getAndRemoveAttr(el, ':' + name) || getAndRemoveAttr(el, 'v-bind:' + name);
|
|
if (dynamicValue != null) {
|
|
return dynamicValue;
|
|
} else if (getStatic !== false) {
|
|
var staticValue = getAndRemoveAttr(el, name);
|
|
if (staticValue != null) {
|
|
return JSON.stringify(staticValue);
|
|
}
|
|
}
|
|
}
|
|
|
|
function getAndRemoveAttr(el, name) {
|
|
var val = void 0;
|
|
if ((val = el.attrsMap[name]) != null) {
|
|
var list = el.attrsList;
|
|
for (var i = 0, l = list.length; i < l; i++) {
|
|
if (list[i].name === name) {
|
|
list.splice(i, 1);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return val;
|
|
}
|
|
|
|
var dirRE = /^v-|^@|^:/;
|
|
var forAliasRE = /(.*)\s+(?:in|of)\s+(.*)/;
|
|
var forIteratorRE = /\(([^,]*),([^,]*)(?:,([^,]*))?\)/;
|
|
var bindRE = /^:|^v-bind:/;
|
|
var onRE = /^@|^v-on:/;
|
|
var argRE = /:(.*)$/;
|
|
var modifierRE = /\.[^\.]+/g;
|
|
|
|
var decodeHTMLCached = cached(entities.decodeHTML);
|
|
|
|
// configurable state
|
|
var warn$1 = void 0;
|
|
var platformGetTagNamespace = void 0;
|
|
var platformMustUseProp = void 0;
|
|
var preTransforms = void 0;
|
|
var transforms = void 0;
|
|
var postTransforms = void 0;
|
|
var delimiters = void 0;
|
|
|
|
/**
|
|
* Convert HTML string to AST.
|
|
*/
|
|
function parse(template, options) {
|
|
warn$1 = options.warn || baseWarn;
|
|
platformGetTagNamespace = options.getTagNamespace || no;
|
|
platformMustUseProp = options.mustUseProp || no;
|
|
preTransforms = pluckModuleFunction(options.modules, 'preTransformNode');
|
|
transforms = pluckModuleFunction(options.modules, 'transformNode');
|
|
postTransforms = pluckModuleFunction(options.modules, 'postTransformNode');
|
|
delimiters = options.delimiters;
|
|
var stack = [];
|
|
var preserveWhitespace = options.preserveWhitespace !== false;
|
|
var root = void 0;
|
|
var currentParent = void 0;
|
|
var inPre = false;
|
|
var warned = false;
|
|
parseHTML(template, {
|
|
expectHTML: options.expectHTML,
|
|
isUnaryTag: options.isUnaryTag,
|
|
start: function start(tag, attrs, unary) {
|
|
// check namespace.
|
|
// inherit parent ns if there is one
|
|
var ns = currentParent && currentParent.ns || platformGetTagNamespace(tag);
|
|
|
|
// handle IE svg bug
|
|
/* istanbul ignore if */
|
|
if (options.isIE && ns === 'svg') {
|
|
attrs = guardIESVGBug(attrs);
|
|
}
|
|
|
|
var element = {
|
|
type: 1,
|
|
tag: tag,
|
|
attrsList: attrs,
|
|
attrsMap: makeAttrsMap(attrs),
|
|
parent: currentParent,
|
|
children: []
|
|
};
|
|
if (ns) {
|
|
element.ns = ns;
|
|
}
|
|
|
|
if (isForbiddenTag(element)) {
|
|
element.forbidden = true;
|
|
process.env.NODE_ENV !== 'production' && warn$1('Templates should only be responsbile for mapping the state to the ' + 'UI. Avoid placing tags with side-effects in your templates, such as ' + ('<' + tag + '>.'));
|
|
}
|
|
|
|
// apply pre-transforms
|
|
for (var i = 0; i < preTransforms.length; i++) {
|
|
preTransforms[i](element, options);
|
|
}
|
|
|
|
if (!inPre) {
|
|
processPre(element);
|
|
if (element.pre) {
|
|
inPre = true;
|
|
}
|
|
}
|
|
if (inPre) {
|
|
processRawAttrs(element);
|
|
} else {
|
|
processFor(element);
|
|
processIf(element);
|
|
processOnce(element);
|
|
|
|
// determine whether this is a plain element after
|
|
// removing structural attributes
|
|
element.plain = !element.key && !attrs.length;
|
|
|
|
processKey(element);
|
|
processRef(element);
|
|
processSlot(element);
|
|
processComponent(element);
|
|
for (var _i = 0; _i < transforms.length; _i++) {
|
|
transforms[_i](element, options);
|
|
}
|
|
processAttrs(element);
|
|
}
|
|
|
|
// tree management
|
|
if (!root) {
|
|
root = element;
|
|
// check root element constraints
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
if (tag === 'slot' || tag === 'template') {
|
|
warn$1('Cannot use <' + tag + '> as component root element because it may ' + 'contain multiple nodes:\n' + template);
|
|
}
|
|
if (element.attrsMap.hasOwnProperty('v-for')) {
|
|
warn$1('Cannot use v-for on stateful component root element because ' + 'it renders multiple elements:\n' + template);
|
|
}
|
|
}
|
|
} else if (process.env.NODE_ENV !== 'production' && !stack.length && !warned) {
|
|
warned = true;
|
|
warn$1('Component template should contain exactly one root element:\n\n' + template);
|
|
}
|
|
if (currentParent && !element.forbidden) {
|
|
if (element.else) {
|
|
processElse(element, currentParent);
|
|
} else {
|
|
currentParent.children.push(element);
|
|
element.parent = currentParent;
|
|
}
|
|
}
|
|
if (!unary) {
|
|
currentParent = element;
|
|
stack.push(element);
|
|
}
|
|
// apply post-transforms
|
|
for (var _i2 = 0; _i2 < postTransforms.length; _i2++) {
|
|
postTransforms[_i2](element, options);
|
|
}
|
|
},
|
|
end: function end() {
|
|
// remove trailing whitespace
|
|
var element = stack[stack.length - 1];
|
|
var lastNode = element.children[element.children.length - 1];
|
|
if (lastNode && lastNode.type === 3 && lastNode.text === ' ') {
|
|
element.children.pop();
|
|
}
|
|
// pop stack
|
|
stack.length -= 1;
|
|
currentParent = stack[stack.length - 1];
|
|
// check pre state
|
|
if (element.pre) {
|
|
inPre = false;
|
|
}
|
|
},
|
|
chars: function chars(text) {
|
|
if (!currentParent) {
|
|
if (process.env.NODE_ENV !== 'production' && !warned) {
|
|
warned = true;
|
|
warn$1('Component template should contain exactly one root element:\n\n' + template);
|
|
}
|
|
return;
|
|
}
|
|
text = currentParent.tag === 'pre' || text.trim() ? decodeHTMLCached(text)
|
|
// only preserve whitespace if its not right after a starting tag
|
|
: preserveWhitespace && currentParent.children.length ? ' ' : '';
|
|
if (text) {
|
|
var expression = void 0;
|
|
if (!inPre && text !== ' ' && (expression = parseText(text, delimiters))) {
|
|
currentParent.children.push({
|
|
type: 2,
|
|
expression: expression,
|
|
text: text
|
|
});
|
|
} else {
|
|
currentParent.children.push({
|
|
type: 3,
|
|
text: text
|
|
});
|
|
}
|
|
}
|
|
}
|
|
});
|
|
return root;
|
|
}
|
|
|
|
function processPre(el) {
|
|
if (getAndRemoveAttr(el, 'v-pre') != null) {
|
|
el.pre = true;
|
|
}
|
|
}
|
|
|
|
function processRawAttrs(el) {
|
|
var l = el.attrsList.length;
|
|
if (l) {
|
|
var attrs = el.staticAttrs = new Array(l);
|
|
for (var i = 0; i < l; i++) {
|
|
attrs[i] = {
|
|
name: el.attrsList[i].name,
|
|
value: JSON.stringify(el.attrsList[i].value)
|
|
};
|
|
}
|
|
} else if (!el.pre) {
|
|
// non root node in pre blocks with no attributes
|
|
el.plain = true;
|
|
}
|
|
}
|
|
|
|
function processKey(el) {
|
|
var exp = getBindingAttr(el, 'key');
|
|
if (exp) {
|
|
el.key = exp;
|
|
}
|
|
}
|
|
|
|
function processRef(el) {
|
|
var ref = getBindingAttr(el, 'ref');
|
|
if (ref) {
|
|
el.ref = ref;
|
|
var parent = el;
|
|
while (parent) {
|
|
if (parent.for !== undefined) {
|
|
el.refInFor = true;
|
|
break;
|
|
}
|
|
parent = parent.parent;
|
|
}
|
|
}
|
|
}
|
|
|
|
function processFor(el) {
|
|
var exp = void 0;
|
|
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;
|
|
}
|
|
if (getAndRemoveAttr(el, 'v-else') != null) {
|
|
el.else = true;
|
|
}
|
|
}
|
|
|
|
function processElse(el, parent) {
|
|
var prev = findPrevElement(parent.children);
|
|
if (prev && prev.if) {
|
|
prev.elseBlock = el;
|
|
} else if (process.env.NODE_ENV !== 'production') {
|
|
warn$1('v-else used on element <' + el.tag + '> without corresponding v-if.');
|
|
}
|
|
}
|
|
|
|
function processOnce(el) {
|
|
var once = getAndRemoveAttr(el, 'v-once');
|
|
if (once != null) {
|
|
el.once = true;
|
|
}
|
|
}
|
|
|
|
function processSlot(el) {
|
|
if (el.tag === 'slot') {
|
|
el.slotName = getBindingAttr(el, 'name');
|
|
} else {
|
|
var slotTarget = getBindingAttr(el, 'slot');
|
|
if (slotTarget) {
|
|
el.slotTarget = slotTarget;
|
|
}
|
|
}
|
|
}
|
|
|
|
function processComponent(el) {
|
|
var binding = void 0;
|
|
if (binding = getBindingAttr(el, 'is')) {
|
|
el.component = binding;
|
|
}
|
|
if (getAndRemoveAttr(el, 'keep-alive') != null) {
|
|
el.keepAlive = true;
|
|
}
|
|
if (getAndRemoveAttr(el, 'inline-template') != null) {
|
|
el.inlineTemplate = true;
|
|
}
|
|
}
|
|
|
|
function processAttrs(el) {
|
|
var list = el.attrsList;
|
|
var i = void 0,
|
|
l = void 0,
|
|
name = void 0,
|
|
value = void 0,
|
|
arg = void 0,
|
|
modifiers = void 0;
|
|
for (i = 0, l = list.length; i < l; i++) {
|
|
name = list[i].name;
|
|
value = list[i].value;
|
|
if (dirRE.test(name)) {
|
|
// modifiers
|
|
modifiers = parseModifiers(name);
|
|
if (modifiers) {
|
|
name = name.replace(modifierRE, '');
|
|
}
|
|
if (bindRE.test(name)) {
|
|
// v-bind
|
|
name = name.replace(bindRE, '');
|
|
if (platformMustUseProp(name)) {
|
|
addProp(el, name, value);
|
|
} else {
|
|
addAttr(el, name, value);
|
|
}
|
|
} else if (onRE.test(name)) {
|
|
// v-on
|
|
name = name.replace(onRE, '');
|
|
addHandler(el, name, value, modifiers);
|
|
} else {
|
|
// normal directives
|
|
name = name.replace(dirRE, '');
|
|
// parse arg
|
|
var argMatch = name.match(argRE);
|
|
if (argMatch && (arg = argMatch[1])) {
|
|
name = name.slice(0, -(arg.length + 1));
|
|
}
|
|
addDirective(el, name, value, arg, modifiers);
|
|
}
|
|
} else {
|
|
// literal attribute
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
var expression = parseText(value, delimiters);
|
|
if (expression) {
|
|
warn$1(name + '="' + value + '": ' + 'Interpolation inside attributes has been deprecated. ' + 'Use v-bind or the colon shorthand instead.');
|
|
}
|
|
}
|
|
addStaticAttr(el, name, JSON.stringify(value));
|
|
}
|
|
}
|
|
}
|
|
|
|
function parseModifiers(name) {
|
|
var match = name.match(modifierRE);
|
|
if (match) {
|
|
var _ret = function () {
|
|
var ret = {};
|
|
match.forEach(function (m) {
|
|
ret[m.slice(1)] = true;
|
|
});
|
|
return {
|
|
v: ret
|
|
};
|
|
}();
|
|
|
|
if (typeof _ret === "object") return _ret.v;
|
|
}
|
|
}
|
|
|
|
function makeAttrsMap(attrs) {
|
|
var map = {};
|
|
for (var i = 0, l = attrs.length; i < l; i++) {
|
|
if (process.env.NODE_ENV !== 'production' && map[attrs[i].name]) {
|
|
warn$1('duplicate attribute: ' + attrs[i].name);
|
|
}
|
|
map[attrs[i].name] = attrs[i].value;
|
|
}
|
|
return map;
|
|
}
|
|
|
|
function findPrevElement(children) {
|
|
var i = children.length;
|
|
while (i--) {
|
|
if (children[i].tag) return children[i];
|
|
}
|
|
}
|
|
|
|
function isForbiddenTag(el) {
|
|
return el.tag === 'style' || el.tag === 'script' && (!el.attrsMap.type || el.attrsMap.type === 'text/javascript');
|
|
}
|
|
|
|
var ieNSBug = /^xmlns:NS\d+/;
|
|
var ieNSPrefix = /^NS\d+:/;
|
|
|
|
/* istanbul ignore next */
|
|
function guardIESVGBug(attrs) {
|
|
var res = [];
|
|
for (var i = 0; i < attrs.length; i++) {
|
|
var attr = attrs[i];
|
|
if (!ieNSBug.test(attr.name)) {
|
|
attr.name = attr.name.replace(ieNSPrefix, '');
|
|
res.push(attr);
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
var isStaticKey = void 0;
|
|
var isPlatformReservedTag = void 0;
|
|
|
|
var genStaticKeysCached = cached(genStaticKeys$1);
|
|
|
|
/**
|
|
* Goal of the optimizier: walk the generated template AST tree
|
|
* and detect sub-trees that are purely static, i.e. parts of
|
|
* the DOM that never needs to change.
|
|
*
|
|
* Once we detect these sub-trees, we can:
|
|
*
|
|
* 1. Hoist them into constants, so that we no longer need to
|
|
* create fresh nodes for them on each re-render;
|
|
* 2. Completely skip them in the patching process.
|
|
*/
|
|
function optimize(root, options) {
|
|
if (!root) return;
|
|
isStaticKey = genStaticKeysCached(options.staticKeys || '');
|
|
isPlatformReservedTag = options.isReservedTag || function () {
|
|
return false;
|
|
};
|
|
// first pass: mark all non-static nodes.
|
|
markStatic(root);
|
|
// second pass: mark static roots.
|
|
markStaticRoots(root);
|
|
}
|
|
|
|
function genStaticKeys$1(keys) {
|
|
return makeMap('type,tag,attrsList,attrsMap,plain,parent,children,staticAttrs' + (keys ? ',' + keys : ''));
|
|
}
|
|
|
|
function markStatic(node) {
|
|
node.static = isStatic(node);
|
|
if (node.type === 1) {
|
|
for (var i = 0, l = node.children.length; i < l; i++) {
|
|
var child = node.children[i];
|
|
markStatic(child);
|
|
if (!child.static) {
|
|
node.static = false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function markStaticRoots(node) {
|
|
if (node.type === 1 && (node.once || node.static)) {
|
|
node.staticRoot = true;
|
|
return;
|
|
}
|
|
if (node.children) {
|
|
for (var i = 0, l = node.children.length; i < l; i++) {
|
|
markStaticRoots(node.children[i]);
|
|
}
|
|
}
|
|
}
|
|
|
|
function isStatic(node) {
|
|
if (node.type === 2) {
|
|
// expression
|
|
return false;
|
|
}
|
|
if (node.type === 3) {
|
|
// text
|
|
return true;
|
|
}
|
|
return !!(node.pre || !node.if && !node.for && // not v-if or v-for or v-else
|
|
!isBuiltInTag(node.tag) && // not a built-in
|
|
isPlatformReservedTag(node.tag) && ( // not a component
|
|
node.plain || Object.keys(node).every(isStaticKey)) // no dynamic bindings
|
|
);
|
|
}
|
|
|
|
var simplePathRE = /^[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['.*?'\]|\[".*?"\]|\[\d+\]|\[[A-Za-z_$][\w$]*\])*$/;
|
|
|
|
// keyCode aliases
|
|
var keyCodes = {
|
|
esc: 27,
|
|
tab: 9,
|
|
enter: 13,
|
|
space: 32,
|
|
up: 38,
|
|
left: 37,
|
|
right: 39,
|
|
down: 40,
|
|
'delete': [8, 46]
|
|
};
|
|
|
|
var modifierCode = {
|
|
stop: '$event.stopPropagation();',
|
|
prevent: '$event.preventDefault();',
|
|
self: 'if($event.target !== $event.currentTarget)return;'
|
|
};
|
|
|
|
function genHandlers(events) {
|
|
var res = 'on:{';
|
|
for (var name in events) {
|
|
res += '"' + name + '":' + genHandler(events[name]) + ',';
|
|
}
|
|
return res.slice(0, -1) + '}';
|
|
}
|
|
|
|
function genHandler(handler) {
|
|
if (!handler) {
|
|
return 'function(){}';
|
|
} else if (Array.isArray(handler)) {
|
|
return '[' + handler.map(genHandler).join(',') + ']';
|
|
} else if (!handler.modifiers) {
|
|
return simplePathRE.test(handler.value) ? handler.value : 'function($event){' + handler.value + '}';
|
|
} else {
|
|
var code = 'function($event){';
|
|
for (var key in handler.modifiers) {
|
|
code += modifierCode[key] || genKeyFilter(key);
|
|
}
|
|
var handlerCode = simplePathRE.test(handler.value) ? handler.value + '($event)' : handler.value;
|
|
return code + handlerCode + '}';
|
|
}
|
|
}
|
|
|
|
function genKeyFilter(key) {
|
|
var code = parseInt(key, 10) || // number keyCode
|
|
keyCodes[key] || // built-in alias
|
|
'_k(' + JSON.stringify(key) + ')'; // custom alias
|
|
if (Array.isArray(code)) {
|
|
return 'if(' + code.map(function (c) {
|
|
return '$event.keyCode!==' + c;
|
|
}).join('&&') + ')return;';
|
|
} else {
|
|
return 'if($event.keyCode!==' + code + ')return;';
|
|
}
|
|
}
|
|
|
|
function bind$1(el, dir) {
|
|
addHook(el, 'construct', '_b(n1,' + dir.value + ')');
|
|
}
|
|
|
|
var baseDirectives = {
|
|
bind: bind$1,
|
|
cloak: noop
|
|
};
|
|
|
|
// configurable state
|
|
var warn$2 = void 0;
|
|
var transforms$1 = void 0;
|
|
var dataGenFns = void 0;
|
|
var platformDirectives = void 0;
|
|
var isPlatformReservedTag$1 = void 0;
|
|
var staticRenderFns = void 0;
|
|
var currentOptions = void 0;
|
|
|
|
function generate(ast, options) {
|
|
// save previous staticRenderFns so generate calls can be nested
|
|
var prevStaticRenderFns = staticRenderFns;
|
|
var currentStaticRenderFns = staticRenderFns = [];
|
|
currentOptions = options;
|
|
warn$2 = options.warn || baseWarn;
|
|
transforms$1 = pluckModuleFunction(options.modules, 'transformCode');
|
|
dataGenFns = pluckModuleFunction(options.modules, 'genData');
|
|
platformDirectives = options.directives || {};
|
|
isPlatformReservedTag$1 = options.isReservedTag || no;
|
|
var code = ast ? genElement(ast) : '_h("div")';
|
|
staticRenderFns = prevStaticRenderFns;
|
|
return {
|
|
render: 'with(this){return ' + code + '}',
|
|
staticRenderFns: currentStaticRenderFns
|
|
};
|
|
}
|
|
|
|
function genElement(el) {
|
|
if (el.staticRoot && !el.staticProcessed) {
|
|
// hoist static sub-trees out
|
|
el.staticProcessed = true;
|
|
staticRenderFns.push('with(this){return ' + genElement(el) + '}');
|
|
return '_m(' + (staticRenderFns.length - 1) + ')';
|
|
} 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 = void 0;
|
|
if (el.component) {
|
|
code = genComponent(el);
|
|
} else {
|
|
var data = genData(el);
|
|
// if the element is potentially a component,
|
|
// wrap its children as a thunk.
|
|
var children = !el.inlineTemplate ? genChildren(el, !isPlatformReservedTag$1(el.tag) /* asThunk */) : null;
|
|
code = '_h(\'' + el.tag + '\'' + (data ? ',' + data : '' // data
|
|
) + (children ? ',' + children : '' // children
|
|
) + ')';
|
|
}
|
|
// module transforms
|
|
for (var i = 0; i < transforms$1.length; i++) {
|
|
code = transforms$1[i](el, code);
|
|
}
|
|
// check keep-alive
|
|
if (el.keepAlive) {
|
|
code = '_h("KeepAlive",{props:{child:' + code + '}})';
|
|
}
|
|
return code;
|
|
}
|
|
}
|
|
|
|
function genIf(el) {
|
|
var exp = el.if;
|
|
el.ifProcessed = true; // avoid recursion
|
|
return '(' + exp + ')?' + genElement(el) + ':' + genElse(el);
|
|
}
|
|
|
|
function genElse(el) {
|
|
return el.elseBlock ? genElement(el.elseBlock) : 'void 0';
|
|
}
|
|
|
|
function genFor(el) {
|
|
var exp = el.for;
|
|
var alias = el.alias;
|
|
var iterator1 = el.iterator1 ? ',' + el.iterator1 : '';
|
|
var iterator2 = el.iterator2 ? ',' + el.iterator2 : '';
|
|
el.forProcessed = true; // avoid recursion
|
|
return '(' + exp + ')&&_l((' + exp + '),' + ('function(' + alias + iterator1 + iterator2 + '){') + ('return ' + genElement(el)) + '})';
|
|
}
|
|
|
|
function genData(el) {
|
|
if (el.plain) {
|
|
return;
|
|
}
|
|
|
|
var data = '{';
|
|
|
|
// directives first.
|
|
// directives may mutate the el's other properties before they are generated.
|
|
var dirs = genDirectives(el);
|
|
if (dirs) data += dirs + ',';
|
|
|
|
// key
|
|
if (el.key) {
|
|
data += 'key:' + el.key + ',';
|
|
}
|
|
// ref
|
|
if (el.ref) {
|
|
data += 'ref:' + el.ref + ',';
|
|
}
|
|
if (el.refInFor) {
|
|
data += 'refInFor:true,';
|
|
}
|
|
// record original tag name for components using "is" attribute
|
|
if (el.component) {
|
|
data += 'tag:"' + el.tag + '",';
|
|
}
|
|
// slot target
|
|
if (el.slotTarget) {
|
|
data += 'slot:' + el.slotTarget + ',';
|
|
}
|
|
// module data generation functions
|
|
for (var i = 0; i < dataGenFns.length; i++) {
|
|
data += dataGenFns[i](el);
|
|
}
|
|
// v-show, used to avoid transition being applied
|
|
// since v-show takes it over
|
|
if (el.attrsMap['v-show']) {
|
|
data += 'show:true,';
|
|
}
|
|
// props
|
|
if (el.props) {
|
|
data += 'props:{' + genProps(el.props) + '},';
|
|
}
|
|
// attributes
|
|
if (el.attrs) {
|
|
data += 'attrs:{' + genProps(el.attrs) + '},';
|
|
}
|
|
// static attributes
|
|
if (el.staticAttrs) {
|
|
data += 'staticAttrs:{' + genProps(el.staticAttrs) + '},';
|
|
}
|
|
// hooks
|
|
if (el.hooks) {
|
|
data += 'hook:{' + genHooks(el.hooks) + '},';
|
|
}
|
|
// event handlers
|
|
if (el.events) {
|
|
data += genHandlers(el.events) + ',';
|
|
}
|
|
// inline-template
|
|
if (el.inlineTemplate) {
|
|
var ast = el.children[0];
|
|
if (process.env.NODE_ENV !== 'production' && (el.children.length > 1 || ast.type !== 1)) {
|
|
warn$2('Inline-template components must have exactly one child element.');
|
|
}
|
|
if (ast.type === 1) {
|
|
var inlineRenderFns = generate(ast, currentOptions);
|
|
data += 'inlineTemplate:{render:function(){' + inlineRenderFns.render + '},staticRenderFns:[' + inlineRenderFns.staticRenderFns.map(function (code) {
|
|
return 'function(){' + code + '}';
|
|
}).join(',') + ']}';
|
|
}
|
|
}
|
|
return data.replace(/,$/, '') + '}';
|
|
}
|
|
|
|
function genDirectives(el) {
|
|
var dirs = el.directives;
|
|
if (!dirs) return;
|
|
var res = 'directives:[';
|
|
var hasRuntime = false;
|
|
var i = void 0,
|
|
l = void 0,
|
|
dir = void 0,
|
|
needRuntime = void 0;
|
|
for (i = 0, l = dirs.length; i < l; i++) {
|
|
dir = dirs[i];
|
|
needRuntime = true;
|
|
var gen = platformDirectives[dir.name] || baseDirectives[dir.name];
|
|
if (gen) {
|
|
// compile-time directive that manipulates AST.
|
|
// returns true if it also needs a runtime counterpart.
|
|
needRuntime = !!gen(el, dir, warn$2);
|
|
}
|
|
if (needRuntime) {
|
|
hasRuntime = true;
|
|
res += '{name:"' + dir.name + '"' + (dir.value ? ',value:(' + dir.value + '),expression:' + JSON.stringify(dir.value) : '') + (dir.arg ? ',arg:"' + dir.arg + '"' : '') + (dir.modifiers ? ',modifiers:' + JSON.stringify(dir.modifiers) : '') + '},';
|
|
}
|
|
}
|
|
if (hasRuntime) {
|
|
return res.slice(0, -1) + ']';
|
|
}
|
|
}
|
|
|
|
function genChildren(el, asThunk) {
|
|
if (!el.children.length) {
|
|
return;
|
|
}
|
|
var code = '[' + el.children.map(genNode).join(',') + ']';
|
|
return asThunk ? 'function(){return ' + code + '}' : code;
|
|
}
|
|
|
|
function genNode(node) {
|
|
if (node.type === 1) {
|
|
return genElement(node);
|
|
} else {
|
|
return genText(node);
|
|
}
|
|
}
|
|
|
|
function genText(text) {
|
|
return text.type === 2 ? text.expression // no need for () because already wrapped in _s()
|
|
: JSON.stringify(text.text);
|
|
}
|
|
|
|
function genSlot(el) {
|
|
var slot = '$slots[' + (el.slotName || '"default"') + ']';
|
|
var children = genChildren(el);
|
|
return children ? '(' + slot + '||' + children + ')' : slot;
|
|
}
|
|
|
|
function genComponent(el) {
|
|
var children = genChildren(el, true);
|
|
return '_h(' + el.component + ',' + genData(el) + (children ? ',' + children : '') + ')';
|
|
}
|
|
|
|
function genProps(props) {
|
|
var res = '';
|
|
for (var i = 0; i < props.length; i++) {
|
|
var prop = props[i];
|
|
res += '"' + prop.name + '":' + prop.value + ',';
|
|
}
|
|
return res.slice(0, -1);
|
|
}
|
|
|
|
function genHooks(hooks) {
|
|
var res = '';
|
|
for (var _key in hooks) {
|
|
res += '"' + _key + '":function(n1,n2){' + hooks[_key].join(';') + '},';
|
|
}
|
|
return res.slice(0, -1);
|
|
}
|
|
|
|
/**
|
|
* Compile a template.
|
|
*/
|
|
function compile$1(template, options) {
|
|
var ast = parse(template.trim(), options);
|
|
optimize(ast, options);
|
|
var code = generate(ast, options);
|
|
return {
|
|
ast: ast,
|
|
render: code.render,
|
|
staticRenderFns: code.staticRenderFns
|
|
};
|
|
}
|
|
|
|
// operators like typeof, instanceof and in are allowed
|
|
var prohibitedKeywordRE = new RegExp('\\b' + ('do,if,for,let,new,try,var,case,else,with,await,break,catch,class,const,' + 'super,throw,while,yield,delete,export,import,return,switch,default,' + 'extends,finally,continue,debugger,function,arguments').split(',').join('\\b|\\b') + '\\b');
|
|
// check valid identifier for v-for
|
|
var identRE = /[A-Za-z_$][\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 deprecated. ' + 'Use v-bind or the colon shorthand instead.');
|
|
}
|
|
}
|
|
el.staticClass = JSON.stringify(staticClass);
|
|
var classBinding = getBindingAttr(el, 'class', false /* getStatic */);
|
|
if (classBinding) {
|
|
el.classBinding = classBinding;
|
|
}
|
|
}
|
|
|
|
function genData$1(el) {
|
|
var data = '';
|
|
if (el.staticClass) {
|
|
data += 'staticClass:' + el.staticClass + ',';
|
|
}
|
|
if (el.classBinding) {
|
|
data += 'class:' + el.classBinding + ',';
|
|
}
|
|
return data;
|
|
}
|
|
|
|
var klass = {
|
|
staticKeys: ['staticClass'],
|
|
transformNode: transformNode,
|
|
genData: genData$1
|
|
};
|
|
|
|
function transformNode$1(el) {
|
|
var styleBinding = getBindingAttr(el, 'style', false /* getStatic */);
|
|
if (styleBinding) {
|
|
el.styleBinding = styleBinding;
|
|
}
|
|
}
|
|
|
|
function genData$2(el) {
|
|
return el.styleBinding ? 'style:(' + el.styleBinding + '),' : '';
|
|
}
|
|
|
|
var style = {
|
|
transformNode: transformNode$1,
|
|
genData: genData$2
|
|
};
|
|
|
|
var modules = [klass, style];
|
|
|
|
var warn$3 = void 0;
|
|
|
|
function model(el, dir, _warn) {
|
|
warn$3 = _warn;
|
|
var value = dir.value;
|
|
var modifiers = dir.modifiers;
|
|
if (el.tag === 'select') {
|
|
return genSelect(el, value);
|
|
} else {
|
|
switch (el.attrsMap.type) {
|
|
case 'checkbox':
|
|
genCheckboxModel(el, value);
|
|
break;
|
|
case 'radio':
|
|
genRadioModel(el, value);
|
|
break;
|
|
default:
|
|
return genDefaultModel(el, value, modifiers);
|
|
}
|
|
}
|
|
}
|
|
|
|
function genCheckboxModel(el, value) {
|
|
if (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 valueBinding = getBindingAttr(el, 'value');
|
|
var trueValueBinding = getBindingAttr(el, 'true-value') || 'true';
|
|
var falseValueBinding = getBindingAttr(el, 'false-value') || 'false';
|
|
addProp(el, 'checked', 'Array.isArray(' + value + ')' + ('?(' + value + ').indexOf(' + valueBinding + ')>-1') + (':(' + value + ')===(' + trueValueBinding + ')'));
|
|
addHandler(el, 'change', 'var $$a=' + value + ',' + '$$el=$event.target,' + ('$$c=$$el.checked?(' + trueValueBinding + '):(' + falseValueBinding + ');') + 'if(Array.isArray($$a)){' + ('var $$v=' + valueBinding + ',') + '$$i=$$a.indexOf($$v);' + 'if($$c){$$i<0&&$$a.push($$v)}' + 'else{$$i>-1&&$$a.splice($$i,1)}' + ('}else{' + value + '=$$c}'));
|
|
}
|
|
|
|
function genRadioModel(el, value) {
|
|
if (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 valueBinding = getBindingAttr(el, 'value');
|
|
addProp(el, 'checked', '(' + value + ')===(' + valueBinding + ')');
|
|
addHandler(el, 'change', value + '=' + valueBinding);
|
|
}
|
|
|
|
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 ? 'change' : 'input';
|
|
var needCompositionGuard = !lazy && type !== 'range';
|
|
var isNative = el.tag === 'input' || el.tag === 'textarea';
|
|
|
|
var valueExpression = isNative ? '$event.target.value' + (trim ? '.trim()' : '') : '$event';
|
|
var code = number || type === 'number' ? value + '=_n(' + valueExpression + ')' : value + '=' + valueExpression;
|
|
if (isNative && needCompositionGuard) {
|
|
code = 'if($event.target.composing)return;' + code;
|
|
}
|
|
addProp(el, 'value', isNative ? '_s(' + value + ')' : '(' + value + ')');
|
|
addHandler(el, event, code);
|
|
if (needCompositionGuard) {
|
|
// need runtime directive code to help with composition events
|
|
return true;
|
|
}
|
|
}
|
|
|
|
function genSelect(el, value) {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
el.children.some(checkOptionWarning);
|
|
}
|
|
var code = value + '=Array.prototype.filter' + '.call($event.target.options,function(o){return o.selected})' + '.map(function(o){return "_value" in o ? o._value : o.value})' + (el.attrsMap.multiple == null ? '[0]' : '');
|
|
addHandler(el, 'change', code);
|
|
// need runtime to help with possible dynamically generated options
|
|
return true;
|
|
}
|
|
|
|
function checkOptionWarning(option) {
|
|
if (option.type === 1 && option.tag === 'option' && option.attrsMap.selected != null) {
|
|
var parentModel = option.parent && option.parent.type === 1 && option.parent.attrsMap['v-model'];
|
|
warn$3('<select v-model="' + parentModel + '">:\n' + 'inline selected attributes on <option> will be ignored when using v-model. ' + 'Declare initial values in the component\'s data option instead.');
|
|
return true;
|
|
}
|
|
}
|
|
|
|
function text(el, dir) {
|
|
if (dir.value) {
|
|
addProp(el, 'textContent', '_s(' + dir.value + ')');
|
|
}
|
|
}
|
|
|
|
function html(el, dir) {
|
|
if (dir.value) {
|
|
addProp(el, 'innerHTML', '_s(' + dir.value + ')');
|
|
}
|
|
}
|
|
|
|
var directives = {
|
|
model: model,
|
|
text: text,
|
|
html: html
|
|
};
|
|
|
|
var cache = Object.create(null);
|
|
|
|
var baseOptions = {
|
|
isIE: isIE,
|
|
expectHTML: true,
|
|
modules: modules,
|
|
staticKeys: genStaticKeys(modules),
|
|
directives: directives,
|
|
isReservedTag: isReservedTag,
|
|
isUnaryTag: isUnaryTag,
|
|
mustUseProp: mustUseProp,
|
|
getTagNamespace: getTagNamespace
|
|
};
|
|
|
|
function compile(template, options) {
|
|
options = options ? extend(extend({}, baseOptions), options) : baseOptions;
|
|
return compile$1(template, options);
|
|
}
|
|
|
|
function compileToFunctions(template, options, vm) {
|
|
var _warn = options && options.warn || warn;
|
|
// detect possible CSP restriction
|
|
/* istanbul ignore if */
|
|
if (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(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 normalizeAsync = function normalizeAsync(cache, method) {
|
|
var fn = cache[method];
|
|
if (!fn) {
|
|
return;
|
|
} else if (fn.length > 1) {
|
|
return function (key, cb) {
|
|
return fn.call(cache, key, cb);
|
|
};
|
|
} else {
|
|
return function (key, cb) {
|
|
return cb(fn.call(cache, key));
|
|
};
|
|
}
|
|
};
|
|
|
|
var compilationCache = Object.create(null);
|
|
var normalizeRender = function normalizeRender(vm) {
|
|
var _vm$$options = vm.$options;
|
|
var render = _vm$$options.render;
|
|
var template = _vm$$options.template;
|
|
|
|
if (!render && template) {
|
|
var renderFns = compilationCache[template] || (compilationCache[template] = compileToFunctions(template));
|
|
Object.assign(vm.$options, renderFns);
|
|
}
|
|
};
|
|
|
|
function createRenderFunction(modules, directives, isUnaryTag, cache) {
|
|
if (cache && (!cache.get || !cache.set)) {
|
|
throw new Error('renderer cache must implement at least get & set.');
|
|
}
|
|
|
|
var get = cache && normalizeAsync(cache, 'get');
|
|
var has = cache && normalizeAsync(cache, 'has');
|
|
|
|
function renderNode(node, write, next, isRoot) {
|
|
if (node.componentOptions) {
|
|
// check cache hit
|
|
var Ctor = node.componentOptions.Ctor;
|
|
var getKey = Ctor.options.serverCacheKey;
|
|
if (getKey && cache) {
|
|
(function () {
|
|
var key = Ctor.cid + '::' + getKey(node.componentOptions.propsData);
|
|
if (has) {
|
|
has(key, function (hit) {
|
|
if (hit) {
|
|
get(key, function (res) {
|
|
return write(res, next);
|
|
});
|
|
} else {
|
|
renderComponentWithCache(node, write, next, isRoot, cache, key);
|
|
}
|
|
});
|
|
} else {
|
|
get(key, function (res) {
|
|
if (res) {
|
|
write(res, next);
|
|
} else {
|
|
renderComponentWithCache(node, write, next, isRoot, cache, key);
|
|
}
|
|
});
|
|
}
|
|
})();
|
|
} else {
|
|
if (getKey) {
|
|
console.error('[vue-server-renderer] Component ' + (Ctor.options.name || '(anonymous)') + ' implemented serverCacheKey, ' + 'but no cache was provided to the renderer.');
|
|
}
|
|
renderComponent(node, write, next, isRoot);
|
|
}
|
|
} else {
|
|
if (node.tag) {
|
|
renderElement(node, write, next, isRoot);
|
|
} else {
|
|
write(node.raw ? node.text : entities.encodeHTML(node.text), next);
|
|
}
|
|
}
|
|
}
|
|
|
|
function renderComponent(node, write, next, isRoot) {
|
|
var child = createComponentInstanceForVnode(node);
|
|
normalizeRender(child);
|
|
var childNode = child._render();
|
|
childNode.parent = node;
|
|
renderNode(childNode, write, next, isRoot);
|
|
}
|
|
|
|
function renderComponentWithCache(node, write, next, isRoot, cache, key) {
|
|
write.caching = true;
|
|
var buffer = write.cacheBuffer;
|
|
var bufferIndex = buffer.push('') - 1;
|
|
renderComponent(node, write, function () {
|
|
var result = buffer[bufferIndex];
|
|
cache.set(key, result);
|
|
if (bufferIndex === 0) {
|
|
// this is a top-level cached component,
|
|
// exit caching mode.
|
|
write.caching = false;
|
|
} else {
|
|
// parent component is also being cached,
|
|
// merge self into parent's result
|
|
buffer[bufferIndex - 1] += result;
|
|
}
|
|
buffer.length = bufferIndex;
|
|
next();
|
|
}, isRoot);
|
|
}
|
|
|
|
function renderElement(el, write, next, isRoot) {
|
|
if (isRoot) {
|
|
if (!el.data) el.data = {};
|
|
if (!el.data.attrs) el.data.attrs = {};
|
|
el.data.attrs['server-rendered'] = 'true';
|
|
}
|
|
var startTag = renderStartingTag(el);
|
|
var endTag = '</' + el.tag + '>';
|
|
if (isUnaryTag(el.tag)) {
|
|
write(startTag, next);
|
|
} else if (!el.children || !el.children.length) {
|
|
write(startTag + endTag, next);
|
|
} else {
|
|
(function () {
|
|
var children = el.children || [];
|
|
write(startTag, function () {
|
|
var total = children.length;
|
|
var rendered = 0;
|
|
|
|
function renderChild(child) {
|
|
renderNode(child, write, function () {
|
|
rendered++;
|
|
if (rendered < total) {
|
|
renderChild(children[rendered]);
|
|
} else {
|
|
write(endTag, next);
|
|
}
|
|
}, false);
|
|
}
|
|
|
|
renderChild(children[0]);
|
|
});
|
|
})();
|
|
}
|
|
}
|
|
|
|
function renderStartingTag(node) {
|
|
var markup = '<' + node.tag;
|
|
if (node.data) {
|
|
// check directives
|
|
var dirs = node.data.directives;
|
|
if (dirs) {
|
|
for (var i = 0; i < dirs.length; i++) {
|
|
var dirRenderer = directives[dirs[i].name];
|
|
if (dirRenderer) {
|
|
// directives mutate the node's data
|
|
// which then gets rendered by modules
|
|
dirRenderer(node, dirs[i]);
|
|
}
|
|
}
|
|
}
|
|
// apply other modules
|
|
for (var _i = 0; _i < modules.length; _i++) {
|
|
var res = modules[_i](node);
|
|
if (res) {
|
|
markup += res;
|
|
}
|
|
}
|
|
}
|
|
// attach scoped CSS ID
|
|
var scopeId = void 0;
|
|
if (node.host && (scopeId = node.host.$options._scopeId)) {
|
|
markup += ' ' + scopeId;
|
|
}
|
|
while (node) {
|
|
if (scopeId = node.context.$options._scopeId) {
|
|
markup += ' ' + scopeId;
|
|
}
|
|
node = node.parent;
|
|
}
|
|
return markup + '>';
|
|
}
|
|
|
|
return function render(component, write, done) {
|
|
normalizeRender(component);
|
|
renderNode(component._render(), write, done, true);
|
|
};
|
|
}
|
|
|
|
function createRenderer$1() {
|
|
var _ref = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0];
|
|
|
|
var _ref$modules = _ref.modules;
|
|
var modules = _ref$modules === undefined ? [] : _ref$modules;
|
|
var _ref$directives = _ref.directives;
|
|
var directives = _ref$directives === undefined ? {} : _ref$directives;
|
|
var _ref$isUnaryTag = _ref.isUnaryTag;
|
|
var isUnaryTag = _ref$isUnaryTag === undefined ? function () {
|
|
return false;
|
|
} : _ref$isUnaryTag;
|
|
var cache = _ref.cache;
|
|
|
|
if (process.env.VUE_ENV !== 'server') {
|
|
warn('You are using createRenderer without setting VUE_ENV enviroment variable to "server". ' + 'It is recommended to set VUE_ENV=server this will help rendering performance, ' + 'by turning data observation off.');
|
|
}
|
|
var render = createRenderFunction(modules, directives, isUnaryTag, cache);
|
|
|
|
return {
|
|
renderToString: function renderToString(component, done) {
|
|
var result = '';
|
|
var write = createWriteFunction(function (text) {
|
|
result += text;
|
|
}, done);
|
|
try {
|
|
render(component, write, function () {
|
|
done(null, result);
|
|
});
|
|
} catch (e) {
|
|
done(e);
|
|
}
|
|
},
|
|
renderToStream: function renderToStream(component) {
|
|
return new RenderStream(function (write, done) {
|
|
render(component, write, done);
|
|
});
|
|
}
|
|
};
|
|
}
|
|
|
|
function createContext(context) {
|
|
var sandbox = {
|
|
Buffer: Buffer,
|
|
clearImmediate: clearImmediate,
|
|
clearInterval: clearInterval,
|
|
clearTimeout: clearTimeout,
|
|
setImmediate: setImmediate,
|
|
setInterval: setInterval,
|
|
setTimeout: setTimeout,
|
|
console: console,
|
|
process: process,
|
|
__VUE_SSR_CONTEXT__: context
|
|
};
|
|
sandbox.global = sandbox;
|
|
return sandbox;
|
|
}
|
|
|
|
function runInVm(code) {
|
|
var _context = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];
|
|
|
|
return new Promise(function (resolve, reject) {
|
|
var wrapper = NativeModule.wrap(code);
|
|
var context = createContext(_context);
|
|
var compiledWrapper = vm.runInNewContext(wrapper, context, {
|
|
filename: '__vue_ssr_bundle__',
|
|
displayErrors: true
|
|
});
|
|
var m = { exports: {} };
|
|
compiledWrapper.call(m.exports, m.exports, require, m);
|
|
var res = Object.prototype.hasOwnProperty.call(m.exports, 'default') ? m.exports.default : m;
|
|
resolve(typeof res === 'function' ? res(_context) : res);
|
|
});
|
|
}
|
|
|
|
function createBundleRendererCreator(createRenderer) {
|
|
return function (code, rendererOptions) {
|
|
var renderer = createRenderer(rendererOptions);
|
|
return {
|
|
renderToString: function renderToString(context, cb) {
|
|
if (typeof context === 'function') {
|
|
cb = context;
|
|
context = {};
|
|
}
|
|
runInVm(code, context).then(function (app) {
|
|
renderer.renderToString(app, cb);
|
|
}).catch(cb);
|
|
},
|
|
renderToStream: function renderToStream(context) {
|
|
var res = new stream.PassThrough();
|
|
runInVm(code, context).then(function (app) {
|
|
renderer.renderToStream(app).pipe(res);
|
|
}).catch(function (err) {
|
|
process.nextTick(function () {
|
|
res.emit('error', err);
|
|
});
|
|
});
|
|
return res;
|
|
}
|
|
};
|
|
};
|
|
}
|
|
|
|
function renderAttrs(node) {
|
|
var res = '';
|
|
if (node.data.staticAttrs) {
|
|
res += render(node.data.staticAttrs);
|
|
}
|
|
if (node.data.attrs) {
|
|
res += render(node.data.attrs);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
function render(attrs) {
|
|
var res = '';
|
|
for (var _key in attrs) {
|
|
if (_key === 'style') {
|
|
// leave it to the style module
|
|
continue;
|
|
}
|
|
res += renderAttr(_key, attrs[_key]);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
function renderAttr(key, value) {
|
|
if (isBooleanAttr(key)) {
|
|
if (!isFalsyAttrValue(value)) {
|
|
return ' ' + key + '="' + key + '"';
|
|
}
|
|
} else if (isEnumeratedAttr(key)) {
|
|
return ' ' + key + '="' + (isFalsyAttrValue(value) || value === 'false' ? 'false' : 'true') + '"';
|
|
} else if (!isFalsyAttrValue(value)) {
|
|
return ' ' + key + '="' + value + '"';
|
|
}
|
|
return '';
|
|
}
|
|
|
|
function props (node) {
|
|
var props = node.data.props;
|
|
var res = '';
|
|
if (props) {
|
|
for (var key in props) {
|
|
if (key === 'innerHTML') {
|
|
setText(node, props[key], true);
|
|
} else if (key === 'textContent') {
|
|
setText(node, props[key]);
|
|
} else {
|
|
var attr = propsToAttrMap[key] || key.toLowerCase();
|
|
if (isRenderableAttr(attr)) {
|
|
res += renderAttr(attr, props[key]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
function setText(node, text, raw) {
|
|
var child = new VNode(undefined, undefined, undefined, text);
|
|
child.raw = raw;
|
|
node.children = [child];
|
|
}
|
|
|
|
function renderClass(node) {
|
|
if (node.data.class || node.data.staticClass) {
|
|
return ' class="' + genClassForVnode(node) + '"';
|
|
}
|
|
}
|
|
|
|
function renderStyle(node) {
|
|
var staticStyle = node.data.staticAttrs && node.data.staticAttrs.style;
|
|
if (node.data.style || staticStyle) {
|
|
var styles = node.data.style;
|
|
var res = ' style="';
|
|
if (styles) {
|
|
if (Array.isArray(styles)) {
|
|
styles = toObject(styles);
|
|
}
|
|
for (var key in styles) {
|
|
res += hyphenate(key) + ':' + styles[key] + ';';
|
|
}
|
|
}
|
|
return res + (staticStyle || '') + '"';
|
|
}
|
|
}
|
|
|
|
var modules$1 = [renderAttrs, props, renderClass, renderStyle];
|
|
|
|
function show(node, dir) {
|
|
if (!dir.value) {
|
|
var style = node.data.style || (node.data.style = {});
|
|
style.display = 'none';
|
|
}
|
|
}
|
|
|
|
var baseDirectives$1 = {
|
|
show: show
|
|
};
|
|
|
|
function createRenderer() {
|
|
var options = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0];
|
|
|
|
// user can provide server-side implementations for custom directives
|
|
// when creating the renderer.
|
|
var directives = Object.assign(baseDirectives$1, options.directives);
|
|
return createRenderer$1({
|
|
isUnaryTag: isUnaryTag,
|
|
modules: modules$1,
|
|
directives: directives,
|
|
cache: options.cache
|
|
});
|
|
}
|
|
|
|
var createBundleRenderer = createBundleRendererCreator(createRenderer);
|
|
|
|
exports.createRenderer = createRenderer;
|
|
exports.createBundleRenderer = createBundleRenderer; |