mirror of https://github.com/vuejs/vue.git
5399 lines
142 KiB
JavaScript
5399 lines
142 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 deindent = _interopDefault(require('de-indent'));
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var he = _interopDefault(require('he'));
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/* */
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var emptyObject = Object.freeze({});
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// These helpers produce better VM code in JS engines due to their
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// explicitness and function inlining.
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function isUndef (v) {
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return v === undefined || v === null
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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 (
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typeof value === 'string' ||
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typeof value === 'number' ||
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// $flow-disable-line
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typeof value === 'symbol' ||
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typeof value === 'boolean'
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)
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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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* Get the raw type string of a value, e.g., [object Object].
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*/
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var _toString = Object.prototype.toString;
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function toRawType (value) {
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return _toString.call(value).slice(8, -1)
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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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function isPlainObject (obj) {
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return _toString.call(obj) === '[object Object]'
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}
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/**
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* Check if val is a valid array index.
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*/
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function isValidArrayIndex (val) {
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var n = parseFloat(String(val));
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return n >= 0 && Math.floor(n) === n && isFinite(val)
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}
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/**
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* Make a map and return a function for checking if a key
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* is in that map.
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*/
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function makeMap (
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str,
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expectsLowerCase
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) {
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var map = Object.create(null);
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var list = str.split(',');
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for (var i = 0; i < list.length; i++) {
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map[list[i]] = true;
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}
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return expectsLowerCase
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? function (val) { return map[val.toLowerCase()]; }
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: function (val) { return map[val]; }
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}
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/**
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* Check if a tag is a built-in tag.
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*/
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var isBuiltInTag = makeMap('slot,component', true);
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/**
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* Check if an attribute is a reserved attribute.
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*/
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var isReservedAttribute = makeMap('key,ref,slot,slot-scope,is');
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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 an 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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* Create a cached version of a pure function.
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*/
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function cached (fn) {
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var cache = Object.create(null);
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return (function cachedFn (str) {
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var hit = cache[str];
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return hit || (cache[str] = fn(str))
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})
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}
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/**
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* Camelize a hyphen-delimited string.
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*/
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var camelizeRE = /-(\w)/g;
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var camelize = cached(function (str) {
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return str.replace(camelizeRE, function (_, c) { return c ? c.toUpperCase() : ''; })
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});
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/**
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* Hyphenate a camelCase string.
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*/
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var hyphenateRE = /\B([A-Z])/g;
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var hyphenate = cached(function (str) {
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return str.replace(hyphenateRE, '-$1').toLowerCase()
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});
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/**
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* Simple bind polyfill for environments that do not support it,
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* e.g., PhantomJS 1.x. Technically, we don't need this anymore
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* since native bind is now performant enough in most browsers.
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* But removing it would mean breaking code that was able to run in
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* PhantomJS 1.x, so this must be kept for backward compatibility.
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*/
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/* istanbul ignore next */
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function polyfillBind (fn, ctx) {
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function boundFn (a) {
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var l = arguments.length;
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return l
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? l > 1
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? fn.apply(ctx, arguments)
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: fn.call(ctx, a)
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: fn.call(ctx)
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}
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boundFn._length = fn.length;
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return boundFn
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}
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function nativeBind (fn, ctx) {
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return fn.bind(ctx)
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}
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var bind = Function.prototype.bind
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? nativeBind
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: polyfillBind;
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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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/* eslint-disable no-unused-vars */
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/**
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* Perform no operation.
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* Stubbing args to make Flow happy without leaving useless transpiled code
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* with ...rest (https://flow.org/blog/2017/05/07/Strict-Function-Call-Arity/).
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*/
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function noop (a, b, c) {}
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/**
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* Always return false.
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*/
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var no = function (a, b, c) { return false; };
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/* eslint-enable no-unused-vars */
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/**
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* Return the same value.
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*/
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var identity = function (_) { return _; };
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/**
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* Generate a string containing static keys from compiler modules.
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*/
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function genStaticKeys (modules) {
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return modules.reduce(function (keys, m) {
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return keys.concat(m.staticKeys || [])
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}, []).join(',')
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}
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/* */
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var isUnaryTag = makeMap(
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'area,base,br,col,embed,frame,hr,img,input,isindex,keygen,' +
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'link,meta,param,source,track,wbr'
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);
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// Elements that you can, intentionally, leave open
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// (and which close themselves)
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var canBeLeftOpenTag = makeMap(
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'colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr,source'
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);
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// HTML5 tags https://html.spec.whatwg.org/multipage/indices.html#elements-3
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// Phrasing Content https://html.spec.whatwg.org/multipage/dom.html#phrasing-content
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var isNonPhrasingTag = makeMap(
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'address,article,aside,base,blockquote,body,caption,col,colgroup,dd,' +
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'details,dialog,div,dl,dt,fieldset,figcaption,figure,footer,form,' +
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'h1,h2,h3,h4,h5,h6,head,header,hgroup,hr,html,legend,li,menuitem,meta,' +
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'optgroup,option,param,rp,rt,source,style,summary,tbody,td,tfoot,th,thead,' +
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'title,tr,track'
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);
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/* */
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/**
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* unicode letters used for parsing html tags, component names and property paths.
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* using https://www.w3.org/TR/html53/semantics-scripting.html#potentialcustomelementname
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* skipping \u10000-\uEFFFF due to it freezing up PhantomJS
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*/
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var unicodeRegExp = /a-zA-Z\u00B7\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u037D\u037F-\u1FFF\u200C-\u200D\u203F-\u2040\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD/;
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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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* Not type-checking this file because it's mostly vendor code.
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*/
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// Regular Expressions for parsing tags and attributes
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var attribute = /^\s*([^\s"'<>\/=]+)(?:\s*(=)\s*(?:"([^"]*)"+|'([^']*)'+|([^\s"'=<>`]+)))?/;
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var dynamicArgAttribute = /^\s*((?:v-[\w-]+:|@|:|#)\[[^=]+?\][^\s"'<>\/=]*)(?:\s*(=)\s*(?:"([^"]*)"+|'([^']*)'+|([^\s"'=<>`]+)))?/;
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var ncname = "[a-zA-Z_][\\-\\.0-9_a-zA-Z" + (unicodeRegExp.source) + "]*";
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var qnameCapture = "((?:" + ncname + "\\:)?" + ncname + ")";
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var startTagOpen = new RegExp(("^<" + qnameCapture));
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var startTagClose = /^\s*(\/?)>/;
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var endTag = new RegExp(("^<\\/" + qnameCapture + "[^>]*>"));
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var doctype = /^<!DOCTYPE [^>]+>/i;
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// #7298: escape - to avoid being passed as HTML comment when inlined in page
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var comment = /^<!\--/;
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var conditionalComment = /^<!\[/;
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// Special Elements (can contain anything)
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var isPlainTextElement = makeMap('script,style,textarea', true);
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var reCache = {};
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var decodingMap = {
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'<': '<',
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'>': '>',
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'"': '"',
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'&': '&',
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' ': '\n',
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'	': '\t',
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''': "'"
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};
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var encodedAttr = /&(?:lt|gt|quot|amp|#39);/g;
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var encodedAttrWithNewLines = /&(?:lt|gt|quot|amp|#39|#10|#9);/g;
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// #5992
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var isIgnoreNewlineTag = makeMap('pre,textarea', true);
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var shouldIgnoreFirstNewline = function (tag, html) { return tag && isIgnoreNewlineTag(tag) && html[0] === '\n'; };
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function decodeAttr (value, shouldDecodeNewlines) {
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var re = shouldDecodeNewlines ? encodedAttrWithNewLines : encodedAttr;
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return value.replace(re, function (match) { return decodingMap[match]; })
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}
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function parseHTML (html, options) {
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var stack = [];
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var expectHTML = options.expectHTML;
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var isUnaryTag$$1 = options.isUnaryTag || no;
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var canBeLeftOpenTag$$1 = options.canBeLeftOpenTag || no;
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var index = 0;
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var last, lastTag;
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while (html) {
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last = html;
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// Make sure we're not in a plaintext content element like script/style
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if (!lastTag || !isPlainTextElement(lastTag)) {
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var textEnd = html.indexOf('<');
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if (textEnd === 0) {
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// Comment:
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if (comment.test(html)) {
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var commentEnd = html.indexOf('-->');
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if (commentEnd >= 0) {
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if (options.shouldKeepComment) {
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options.comment(html.substring(4, commentEnd), index, index + commentEnd + 3);
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}
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advance(commentEnd + 3);
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continue
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}
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}
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// http://en.wikipedia.org/wiki/Conditional_comment#Downlevel-revealed_conditional_comment
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if (conditionalComment.test(html)) {
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var conditionalEnd = html.indexOf(']>');
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if (conditionalEnd >= 0) {
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advance(conditionalEnd + 2);
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continue
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}
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}
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// Doctype:
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var doctypeMatch = html.match(doctype);
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if (doctypeMatch) {
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advance(doctypeMatch[0].length);
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continue
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}
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// End tag:
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var endTagMatch = html.match(endTag);
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if (endTagMatch) {
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var curIndex = index;
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advance(endTagMatch[0].length);
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parseEndTag(endTagMatch[1], curIndex, index);
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continue
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}
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// Start tag:
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var startTagMatch = parseStartTag();
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if (startTagMatch) {
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handleStartTag(startTagMatch);
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if (shouldIgnoreFirstNewline(startTagMatch.tagName, html)) {
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advance(1);
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}
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continue
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}
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}
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var text = (void 0), rest = (void 0), next = (void 0);
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if (textEnd >= 0) {
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rest = html.slice(textEnd);
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while (
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!endTag.test(rest) &&
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!startTagOpen.test(rest) &&
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!comment.test(rest) &&
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!conditionalComment.test(rest)
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) {
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// < in plain text, be forgiving and treat it as text
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next = rest.indexOf('<', 1);
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if (next < 0) { break }
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textEnd += next;
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rest = html.slice(textEnd);
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}
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text = html.substring(0, textEnd);
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}
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if (textEnd < 0) {
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text = html;
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}
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if (text) {
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advance(text.length);
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}
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if (options.chars && text) {
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options.chars(text, index - text.length, index);
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}
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} else {
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var endTagLength = 0;
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var stackedTag = lastTag.toLowerCase();
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var reStackedTag = reCache[stackedTag] || (reCache[stackedTag] = new RegExp('([\\s\\S]*?)(</' + stackedTag + '[^>]*>)', 'i'));
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var rest$1 = html.replace(reStackedTag, function (all, text, endTag) {
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endTagLength = endTag.length;
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if (!isPlainTextElement(stackedTag) && stackedTag !== 'noscript') {
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text = text
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.replace(/<!\--([\s\S]*?)-->/g, '$1') // #7298
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.replace(/<!\[CDATA\[([\s\S]*?)]]>/g, '$1');
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}
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if (shouldIgnoreFirstNewline(stackedTag, text)) {
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text = text.slice(1);
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}
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if (options.chars) {
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options.chars(text);
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}
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return ''
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});
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index += html.length - rest$1.length;
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html = rest$1;
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parseEndTag(stackedTag, index - endTagLength, index);
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}
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if (html === last) {
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options.chars && options.chars(html);
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if (process.env.NODE_ENV !== 'production' && !stack.length && options.warn) {
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options.warn(("Mal-formatted tag at end of template: \"" + html + "\""), { start: index + html.length });
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}
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break
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}
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}
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|
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// Clean up any remaining tags
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parseEndTag();
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function advance (n) {
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index += n;
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html = html.substring(n);
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}
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function parseStartTag () {
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var start = html.match(startTagOpen);
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if (start) {
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var match = {
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tagName: start[1],
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attrs: [],
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start: index
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};
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advance(start[0].length);
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var end, attr;
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while (!(end = html.match(startTagClose)) && (attr = html.match(dynamicArgAttribute) || html.match(attribute))) {
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attr.start = index;
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advance(attr[0].length);
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attr.end = index;
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match.attrs.push(attr);
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}
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if (end) {
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match.unarySlash = end[1];
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advance(end[0].length);
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match.end = index;
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return match
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}
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}
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}
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|
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function handleStartTag (match) {
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var tagName = match.tagName;
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var unarySlash = match.unarySlash;
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|
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if (expectHTML) {
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if (lastTag === 'p' && isNonPhrasingTag(tagName)) {
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parseEndTag(lastTag);
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}
|
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if (canBeLeftOpenTag$$1(tagName) && lastTag === tagName) {
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parseEndTag(tagName);
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}
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}
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|
|
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var unary = isUnaryTag$$1(tagName) || !!unarySlash;
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|
|
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var l = match.attrs.length;
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var attrs = new Array(l);
|
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for (var i = 0; i < l; i++) {
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var args = match.attrs[i];
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var value = args[3] || args[4] || args[5] || '';
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|
var shouldDecodeNewlines = tagName === 'a' && args[1] === 'href'
|
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? options.shouldDecodeNewlinesForHref
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|
: options.shouldDecodeNewlines;
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attrs[i] = {
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name: args[1],
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value: decodeAttr(value, shouldDecodeNewlines)
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|
};
|
|
if (process.env.NODE_ENV !== 'production' && options.outputSourceRange) {
|
|
attrs[i].start = args.start + args[0].match(/^\s*/).length;
|
|
attrs[i].end = args.end;
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}
|
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}
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|
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if (!unary) {
|
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stack.push({ tag: tagName, lowerCasedTag: tagName.toLowerCase(), attrs: attrs, start: match.start, end: match.end });
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lastTag = tagName;
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}
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|
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if (options.start) {
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options.start(tagName, attrs, unary, match.start, match.end);
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}
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}
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|
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function parseEndTag (tagName, start, end) {
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|
var pos, lowerCasedTagName;
|
|
if (start == null) { start = index; }
|
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if (end == null) { end = index; }
|
|
|
|
// Find the closest opened tag of the same type
|
|
if (tagName) {
|
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lowerCasedTagName = tagName.toLowerCase();
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|
for (pos = stack.length - 1; pos >= 0; pos--) {
|
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if (stack[pos].lowerCasedTag === lowerCasedTagName) {
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break
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}
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}
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} else {
|
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// If no tag name is provided, clean shop
|
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pos = 0;
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}
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|
|
|
if (pos >= 0) {
|
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// Close all the open elements, up the stack
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for (var i = stack.length - 1; i >= pos; i--) {
|
|
if (process.env.NODE_ENV !== 'production' &&
|
|
(i > pos || !tagName) &&
|
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options.warn
|
|
) {
|
|
options.warn(
|
|
("tag <" + (stack[i].tag) + "> has no matching end tag."),
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{ start: stack[i].start, end: stack[i].end }
|
|
);
|
|
}
|
|
if (options.end) {
|
|
options.end(stack[i].tag, start, end);
|
|
}
|
|
}
|
|
|
|
// Remove the open elements from the stack
|
|
stack.length = pos;
|
|
lastTag = pos && stack[pos - 1].tag;
|
|
} else if (lowerCasedTagName === 'br') {
|
|
if (options.start) {
|
|
options.start(tagName, [], true, start, end);
|
|
}
|
|
} else if (lowerCasedTagName === 'p') {
|
|
if (options.start) {
|
|
options.start(tagName, [], false, start, end);
|
|
}
|
|
if (options.end) {
|
|
options.end(tagName, start, end);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
var splitRE = /\r?\n/g;
|
|
var replaceRE = /./g;
|
|
var isSpecialTag = makeMap('script,style,template', true);
|
|
|
|
/**
|
|
* Parse a single-file component (*.vue) file into an SFC Descriptor Object.
|
|
*/
|
|
function parseComponent (
|
|
content,
|
|
options
|
|
) {
|
|
if ( options === void 0 ) options = {};
|
|
|
|
var sfc = {
|
|
template: null,
|
|
script: null,
|
|
styles: [],
|
|
customBlocks: [],
|
|
errors: []
|
|
};
|
|
var depth = 0;
|
|
var currentBlock = null;
|
|
|
|
var warn = function (msg) {
|
|
sfc.errors.push(msg);
|
|
};
|
|
|
|
if (process.env.NODE_ENV !== 'production' && options.outputSourceRange) {
|
|
warn = function (msg, range) {
|
|
var data = { msg: msg };
|
|
if (range.start != null) {
|
|
data.start = range.start;
|
|
}
|
|
if (range.end != null) {
|
|
data.end = range.end;
|
|
}
|
|
sfc.errors.push(data);
|
|
};
|
|
}
|
|
|
|
function start (
|
|
tag,
|
|
attrs,
|
|
unary,
|
|
start,
|
|
end
|
|
) {
|
|
if (depth === 0) {
|
|
currentBlock = {
|
|
type: tag,
|
|
content: '',
|
|
start: end,
|
|
attrs: attrs.reduce(function (cumulated, ref) {
|
|
var name = ref.name;
|
|
var value = ref.value;
|
|
|
|
cumulated[name] = value || true;
|
|
return cumulated
|
|
}, {})
|
|
};
|
|
if (isSpecialTag(tag)) {
|
|
checkAttrs(currentBlock, attrs);
|
|
if (tag === 'style') {
|
|
sfc.styles.push(currentBlock);
|
|
} else {
|
|
sfc[tag] = currentBlock;
|
|
}
|
|
} else { // custom blocks
|
|
sfc.customBlocks.push(currentBlock);
|
|
}
|
|
}
|
|
if (!unary) {
|
|
depth++;
|
|
}
|
|
}
|
|
|
|
function checkAttrs (block, attrs) {
|
|
for (var i = 0; i < attrs.length; i++) {
|
|
var attr = attrs[i];
|
|
if (attr.name === 'lang') {
|
|
block.lang = attr.value;
|
|
}
|
|
if (attr.name === 'scoped') {
|
|
block.scoped = true;
|
|
}
|
|
if (attr.name === 'module') {
|
|
block.module = attr.value || true;
|
|
}
|
|
if (attr.name === 'src') {
|
|
block.src = attr.value;
|
|
}
|
|
}
|
|
}
|
|
|
|
function end (tag, start) {
|
|
if (depth === 1 && currentBlock) {
|
|
currentBlock.end = start;
|
|
var text = content.slice(currentBlock.start, currentBlock.end);
|
|
if (options.deindent !== false) {
|
|
text = deindent(text);
|
|
}
|
|
// pad content so that linters and pre-processors can output correct
|
|
// line numbers in errors and warnings
|
|
if (currentBlock.type !== 'template' && options.pad) {
|
|
text = padContent(currentBlock, options.pad) + text;
|
|
}
|
|
currentBlock.content = text;
|
|
currentBlock = null;
|
|
}
|
|
depth--;
|
|
}
|
|
|
|
function padContent (block, pad) {
|
|
if (pad === 'space') {
|
|
return content.slice(0, block.start).replace(replaceRE, ' ')
|
|
} else {
|
|
var offset = content.slice(0, block.start).split(splitRE).length;
|
|
var padChar = block.type === 'script' && !block.lang
|
|
? '//\n'
|
|
: '\n';
|
|
return Array(offset).join(padChar)
|
|
}
|
|
}
|
|
|
|
parseHTML(content, {
|
|
warn: warn,
|
|
start: start,
|
|
end: end,
|
|
outputSourceRange: options.outputSourceRange
|
|
});
|
|
|
|
return sfc
|
|
}
|
|
|
|
/* */
|
|
|
|
// can we use __proto__?
|
|
var hasProto = '__proto__' in {};
|
|
|
|
// Browser environment sniffing
|
|
var inBrowser = typeof window !== 'undefined';
|
|
var inWeex = typeof WXEnvironment !== 'undefined' && !!WXEnvironment.platform;
|
|
var weexPlatform = inWeex && WXEnvironment.platform.toLowerCase();
|
|
var UA = inBrowser && window.navigator.userAgent.toLowerCase();
|
|
var isIE = UA && /msie|trident/.test(UA);
|
|
var isIE9 = UA && UA.indexOf('msie 9.0') > 0;
|
|
var isEdge = UA && UA.indexOf('edge/') > 0;
|
|
var isAndroid = (UA && UA.indexOf('android') > 0) || (weexPlatform === 'android');
|
|
var isIOS = (UA && /iphone|ipad|ipod|ios/.test(UA)) || (weexPlatform === 'ios');
|
|
var isChrome = UA && /chrome\/\d+/.test(UA) && !isEdge;
|
|
var isPhantomJS = UA && /phantomjs/.test(UA);
|
|
var isFF = UA && UA.match(/firefox\/(\d+)/);
|
|
|
|
// Firefox has a "watch" function on Object.prototype...
|
|
var nativeWatch = ({}).watch;
|
|
if (inBrowser) {
|
|
try {
|
|
var opts = {};
|
|
Object.defineProperty(opts, 'passive', ({
|
|
get: function get () {
|
|
}
|
|
})); // https://github.com/facebook/flow/issues/285
|
|
window.addEventListener('test-passive', null, opts);
|
|
} catch (e) {}
|
|
}
|
|
|
|
// this needs to be lazy-evaled because vue may be required before
|
|
// vue-server-renderer can set VUE_ENV
|
|
var _isServer;
|
|
var isServerRendering = function () {
|
|
if (_isServer === undefined) {
|
|
/* istanbul ignore if */
|
|
if (!inBrowser && !inWeex && typeof global !== 'undefined') {
|
|
// detect presence of vue-server-renderer and avoid
|
|
// Webpack shimming the process
|
|
_isServer = global['process'] && global['process'].env.VUE_ENV === 'server';
|
|
} else {
|
|
_isServer = false;
|
|
}
|
|
}
|
|
return _isServer
|
|
};
|
|
|
|
// detect devtools
|
|
var devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__;
|
|
|
|
/* istanbul ignore next */
|
|
function isNative (Ctor) {
|
|
return typeof Ctor === 'function' && /native code/.test(Ctor.toString())
|
|
}
|
|
|
|
var hasSymbol =
|
|
typeof Symbol !== 'undefined' && isNative(Symbol) &&
|
|
typeof Reflect !== 'undefined' && isNative(Reflect.ownKeys);
|
|
|
|
var _Set;
|
|
/* istanbul ignore if */ // $flow-disable-line
|
|
if (typeof Set !== 'undefined' && isNative(Set)) {
|
|
// use native Set when available.
|
|
_Set = Set;
|
|
} else {
|
|
// a non-standard Set polyfill that only works with primitive keys.
|
|
_Set = /*@__PURE__*/(function () {
|
|
function Set () {
|
|
this.set = Object.create(null);
|
|
}
|
|
Set.prototype.has = function has (key) {
|
|
return this.set[key] === true
|
|
};
|
|
Set.prototype.add = function add (key) {
|
|
this.set[key] = true;
|
|
};
|
|
Set.prototype.clear = function clear () {
|
|
this.set = Object.create(null);
|
|
};
|
|
|
|
return Set;
|
|
}());
|
|
}
|
|
|
|
var ASSET_TYPES = [
|
|
'component',
|
|
'directive',
|
|
'filter'
|
|
];
|
|
|
|
var LIFECYCLE_HOOKS = [
|
|
'beforeCreate',
|
|
'created',
|
|
'beforeMount',
|
|
'mounted',
|
|
'beforeUpdate',
|
|
'updated',
|
|
'beforeDestroy',
|
|
'destroyed',
|
|
'activated',
|
|
'deactivated',
|
|
'errorCaptured',
|
|
'serverPrefetch'
|
|
];
|
|
|
|
/* */
|
|
|
|
|
|
|
|
var config = ({
|
|
/**
|
|
* Option merge strategies (used in core/util/options)
|
|
*/
|
|
// $flow-disable-line
|
|
optionMergeStrategies: Object.create(null),
|
|
|
|
/**
|
|
* Whether to suppress warnings.
|
|
*/
|
|
silent: false,
|
|
|
|
/**
|
|
* Show production mode tip message on boot?
|
|
*/
|
|
productionTip: process.env.NODE_ENV !== 'production',
|
|
|
|
/**
|
|
* Whether to enable devtools
|
|
*/
|
|
devtools: process.env.NODE_ENV !== 'production',
|
|
|
|
/**
|
|
* Whether to record perf
|
|
*/
|
|
performance: false,
|
|
|
|
/**
|
|
* Error handler for watcher errors
|
|
*/
|
|
errorHandler: null,
|
|
|
|
/**
|
|
* Warn handler for watcher warns
|
|
*/
|
|
warnHandler: null,
|
|
|
|
/**
|
|
* Ignore certain custom elements
|
|
*/
|
|
ignoredElements: [],
|
|
|
|
/**
|
|
* Custom user key aliases for v-on
|
|
*/
|
|
// $flow-disable-line
|
|
keyCodes: Object.create(null),
|
|
|
|
/**
|
|
* Check if a tag is reserved so that it cannot be registered as a
|
|
* component. This is platform-dependent and may be overwritten.
|
|
*/
|
|
isReservedTag: no,
|
|
|
|
/**
|
|
* Check if an attribute is reserved so that it cannot be used as a component
|
|
* prop. This is platform-dependent and may be overwritten.
|
|
*/
|
|
isReservedAttr: no,
|
|
|
|
/**
|
|
* Check if a tag is an unknown element.
|
|
* Platform-dependent.
|
|
*/
|
|
isUnknownElement: no,
|
|
|
|
/**
|
|
* Get the namespace of an element
|
|
*/
|
|
getTagNamespace: noop,
|
|
|
|
/**
|
|
* Parse the real tag name for the specific platform.
|
|
*/
|
|
parsePlatformTagName: identity,
|
|
|
|
/**
|
|
* Check if an attribute must be bound using property, e.g. value
|
|
* Platform-dependent.
|
|
*/
|
|
mustUseProp: no,
|
|
|
|
/**
|
|
* Perform updates asynchronously. Intended to be used by Vue Test Utils
|
|
* This will significantly reduce performance if set to false.
|
|
*/
|
|
async: true,
|
|
|
|
/**
|
|
* Exposed for legacy reasons
|
|
*/
|
|
_lifecycleHooks: LIFECYCLE_HOOKS
|
|
});
|
|
|
|
/* */
|
|
|
|
var warn = noop;
|
|
var tip = noop;
|
|
var generateComponentTrace = (noop); // work around flow check
|
|
var formatComponentName = (noop);
|
|
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
var hasConsole = typeof console !== 'undefined';
|
|
var classifyRE = /(?:^|[-_])(\w)/g;
|
|
var classify = function (str) { return str
|
|
.replace(classifyRE, function (c) { return c.toUpperCase(); })
|
|
.replace(/[-_]/g, ''); };
|
|
|
|
warn = function (msg, vm) {
|
|
var trace = vm ? generateComponentTrace(vm) : '';
|
|
|
|
if (hasConsole && (!config.silent)) {
|
|
console.error(("[Vue warn]: " + msg + trace));
|
|
}
|
|
};
|
|
|
|
tip = function (msg, vm) {
|
|
if (hasConsole && (!config.silent)) {
|
|
console.warn("[Vue tip]: " + msg + (
|
|
vm ? generateComponentTrace(vm) : ''
|
|
));
|
|
}
|
|
};
|
|
|
|
formatComponentName = function (vm, includeFile) {
|
|
if (vm.$root === vm) {
|
|
return '<Root>'
|
|
}
|
|
var options = typeof vm === 'function' && vm.cid != null
|
|
? vm.options
|
|
: vm._isVue
|
|
? vm.$options || vm.constructor.options
|
|
: vm;
|
|
var name = options.name || options._componentTag;
|
|
var file = options.__file;
|
|
if (!name && file) {
|
|
var match = file.match(/([^/\\]+)\.vue$/);
|
|
name = match && match[1];
|
|
}
|
|
|
|
return (
|
|
(name ? ("<" + (classify(name)) + ">") : "<Anonymous>") +
|
|
(file && includeFile !== false ? (" at " + file) : '')
|
|
)
|
|
};
|
|
|
|
var repeat = function (str, n) {
|
|
var res = '';
|
|
while (n) {
|
|
if (n % 2 === 1) { res += str; }
|
|
if (n > 1) { str += str; }
|
|
n >>= 1;
|
|
}
|
|
return res
|
|
};
|
|
|
|
generateComponentTrace = function (vm) {
|
|
if (vm._isVue && vm.$parent) {
|
|
var tree = [];
|
|
var currentRecursiveSequence = 0;
|
|
while (vm) {
|
|
if (tree.length > 0) {
|
|
var last = tree[tree.length - 1];
|
|
if (last.constructor === vm.constructor) {
|
|
currentRecursiveSequence++;
|
|
vm = vm.$parent;
|
|
continue
|
|
} else if (currentRecursiveSequence > 0) {
|
|
tree[tree.length - 1] = [last, currentRecursiveSequence];
|
|
currentRecursiveSequence = 0;
|
|
}
|
|
}
|
|
tree.push(vm);
|
|
vm = vm.$parent;
|
|
}
|
|
return '\n\nfound in\n\n' + tree
|
|
.map(function (vm, i) { return ("" + (i === 0 ? '---> ' : repeat(' ', 5 + i * 2)) + (Array.isArray(vm)
|
|
? ((formatComponentName(vm[0])) + "... (" + (vm[1]) + " recursive calls)")
|
|
: formatComponentName(vm))); })
|
|
.join('\n')
|
|
} else {
|
|
return ("\n\n(found in " + (formatComponentName(vm)) + ")")
|
|
}
|
|
};
|
|
}
|
|
|
|
/* */
|
|
|
|
var uid = 0;
|
|
|
|
/**
|
|
* A dep is an observable that can have multiple
|
|
* directives subscribing to it.
|
|
*/
|
|
var Dep = function Dep () {
|
|
this.id = uid++;
|
|
this.subs = [];
|
|
};
|
|
|
|
Dep.prototype.addSub = function addSub (sub) {
|
|
this.subs.push(sub);
|
|
};
|
|
|
|
Dep.prototype.removeSub = function removeSub (sub) {
|
|
remove(this.subs, sub);
|
|
};
|
|
|
|
Dep.prototype.depend = function depend () {
|
|
if (Dep.target) {
|
|
Dep.target.addDep(this);
|
|
}
|
|
};
|
|
|
|
Dep.prototype.notify = function notify () {
|
|
// stabilize the subscriber list first
|
|
var subs = this.subs.slice();
|
|
if (process.env.NODE_ENV !== 'production' && !config.async) {
|
|
// subs aren't sorted in scheduler if not running async
|
|
// we need to sort them now to make sure they fire in correct
|
|
// order
|
|
subs.sort(function (a, b) { return a.id - b.id; });
|
|
}
|
|
for (var i = 0, l = subs.length; i < l; i++) {
|
|
subs[i].update();
|
|
}
|
|
};
|
|
|
|
// The current target watcher being evaluated.
|
|
// This is globally unique because only one watcher
|
|
// can be evaluated at a time.
|
|
Dep.target = null;
|
|
|
|
/* */
|
|
|
|
var VNode = function VNode (
|
|
tag,
|
|
data,
|
|
children,
|
|
text,
|
|
elm,
|
|
context,
|
|
componentOptions,
|
|
asyncFactory
|
|
) {
|
|
this.tag = tag;
|
|
this.data = data;
|
|
this.children = children;
|
|
this.text = text;
|
|
this.elm = elm;
|
|
this.ns = undefined;
|
|
this.context = context;
|
|
this.fnContext = undefined;
|
|
this.fnOptions = undefined;
|
|
this.fnScopeId = undefined;
|
|
this.key = data && data.key;
|
|
this.componentOptions = componentOptions;
|
|
this.componentInstance = undefined;
|
|
this.parent = undefined;
|
|
this.raw = false;
|
|
this.isStatic = false;
|
|
this.isRootInsert = true;
|
|
this.isComment = false;
|
|
this.isCloned = false;
|
|
this.isOnce = false;
|
|
this.asyncFactory = asyncFactory;
|
|
this.asyncMeta = undefined;
|
|
this.isAsyncPlaceholder = false;
|
|
};
|
|
|
|
var prototypeAccessors = { child: { configurable: true } };
|
|
|
|
// DEPRECATED: alias for componentInstance for backwards compat.
|
|
/* istanbul ignore next */
|
|
prototypeAccessors.child.get = function () {
|
|
return this.componentInstance
|
|
};
|
|
|
|
Object.defineProperties( VNode.prototype, prototypeAccessors );
|
|
|
|
/*
|
|
* not type checking this file because flow doesn't play well with
|
|
* dynamically accessing methods on Array prototype
|
|
*/
|
|
|
|
var arrayProto = Array.prototype;
|
|
var arrayMethods = Object.create(arrayProto);
|
|
|
|
var methodsToPatch = [
|
|
'push',
|
|
'pop',
|
|
'shift',
|
|
'unshift',
|
|
'splice',
|
|
'sort',
|
|
'reverse'
|
|
];
|
|
|
|
/**
|
|
* Intercept mutating methods and emit events
|
|
*/
|
|
methodsToPatch.forEach(function (method) {
|
|
// cache original method
|
|
var original = arrayProto[method];
|
|
def(arrayMethods, method, function mutator () {
|
|
var args = [], len = arguments.length;
|
|
while ( len-- ) args[ len ] = arguments[ len ];
|
|
|
|
var result = original.apply(this, args);
|
|
var ob = this.__ob__;
|
|
var inserted;
|
|
switch (method) {
|
|
case 'push':
|
|
case 'unshift':
|
|
inserted = args;
|
|
break
|
|
case 'splice':
|
|
inserted = args.slice(2);
|
|
break
|
|
}
|
|
if (inserted) { ob.observeArray(inserted); }
|
|
// notify change
|
|
ob.dep.notify();
|
|
return result
|
|
});
|
|
});
|
|
|
|
/* */
|
|
|
|
var arrayKeys = Object.getOwnPropertyNames(arrayMethods);
|
|
|
|
/**
|
|
* In some cases we may want to disable observation inside a component's
|
|
* update computation.
|
|
*/
|
|
var shouldObserve = true;
|
|
|
|
/**
|
|
* Observer class that is attached to each observed
|
|
* object. Once attached, the observer converts the target
|
|
* object's property keys into getter/setters that
|
|
* collect dependencies and dispatch updates.
|
|
*/
|
|
var Observer = function Observer (value) {
|
|
this.value = value;
|
|
this.dep = new Dep();
|
|
this.vmCount = 0;
|
|
def(value, '__ob__', this);
|
|
if (Array.isArray(value)) {
|
|
if (hasProto) {
|
|
protoAugment(value, arrayMethods);
|
|
} else {
|
|
copyAugment(value, arrayMethods, arrayKeys);
|
|
}
|
|
this.observeArray(value);
|
|
} else {
|
|
this.walk(value);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Walk through all properties and convert them into
|
|
* getter/setters. This method should only be called when
|
|
* value type is Object.
|
|
*/
|
|
Observer.prototype.walk = function walk (obj) {
|
|
var keys = Object.keys(obj);
|
|
for (var i = 0; i < keys.length; i++) {
|
|
defineReactive$$1(obj, keys[i]);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Observe a list of Array items.
|
|
*/
|
|
Observer.prototype.observeArray = function observeArray (items) {
|
|
for (var i = 0, l = items.length; i < l; i++) {
|
|
observe(items[i]);
|
|
}
|
|
};
|
|
|
|
// helpers
|
|
|
|
/**
|
|
* Augment a target Object or Array by intercepting
|
|
* the prototype chain using __proto__
|
|
*/
|
|
function protoAugment (target, src) {
|
|
/* eslint-disable no-proto */
|
|
target.__proto__ = src;
|
|
/* eslint-enable no-proto */
|
|
}
|
|
|
|
/**
|
|
* Augment a target Object or Array by defining
|
|
* hidden properties.
|
|
*/
|
|
/* istanbul ignore next */
|
|
function copyAugment (target, src, keys) {
|
|
for (var i = 0, l = keys.length; i < l; i++) {
|
|
var key = keys[i];
|
|
def(target, key, src[key]);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Attempt to create an observer instance for a value,
|
|
* returns the new observer if successfully observed,
|
|
* or the existing observer if the value already has one.
|
|
*/
|
|
function observe (value, asRootData) {
|
|
if (!isObject(value) || value instanceof VNode) {
|
|
return
|
|
}
|
|
var ob;
|
|
if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {
|
|
ob = value.__ob__;
|
|
} else if (
|
|
shouldObserve &&
|
|
!isServerRendering() &&
|
|
(Array.isArray(value) || isPlainObject(value)) &&
|
|
Object.isExtensible(value) &&
|
|
!value._isVue
|
|
) {
|
|
ob = new Observer(value);
|
|
}
|
|
if (asRootData && ob) {
|
|
ob.vmCount++;
|
|
}
|
|
return ob
|
|
}
|
|
|
|
/**
|
|
* Define a reactive property on an Object.
|
|
*/
|
|
function defineReactive$$1 (
|
|
obj,
|
|
key,
|
|
val,
|
|
customSetter,
|
|
shallow
|
|
) {
|
|
var dep = new Dep();
|
|
|
|
var property = Object.getOwnPropertyDescriptor(obj, key);
|
|
if (property && property.configurable === false) {
|
|
return
|
|
}
|
|
|
|
// cater for pre-defined getter/setters
|
|
var getter = property && property.get;
|
|
var setter = property && property.set;
|
|
if ((!getter || setter) && arguments.length === 2) {
|
|
val = obj[key];
|
|
}
|
|
|
|
var childOb = !shallow && observe(val);
|
|
Object.defineProperty(obj, key, {
|
|
enumerable: true,
|
|
configurable: true,
|
|
get: function reactiveGetter () {
|
|
var value = getter ? getter.call(obj) : val;
|
|
if (Dep.target) {
|
|
dep.depend();
|
|
if (childOb) {
|
|
childOb.dep.depend();
|
|
if (Array.isArray(value)) {
|
|
dependArray(value);
|
|
}
|
|
}
|
|
}
|
|
return value
|
|
},
|
|
set: function reactiveSetter (newVal) {
|
|
var value = getter ? getter.call(obj) : val;
|
|
/* eslint-disable no-self-compare */
|
|
if (newVal === value || (newVal !== newVal && value !== value)) {
|
|
return
|
|
}
|
|
/* eslint-enable no-self-compare */
|
|
if (process.env.NODE_ENV !== 'production' && customSetter) {
|
|
customSetter();
|
|
}
|
|
// #7981: for accessor properties without setter
|
|
if (getter && !setter) { return }
|
|
if (setter) {
|
|
setter.call(obj, newVal);
|
|
} else {
|
|
val = newVal;
|
|
}
|
|
childOb = !shallow && observe(newVal);
|
|
dep.notify();
|
|
}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Set a property on an object. Adds the new property and
|
|
* triggers change notification if the property doesn't
|
|
* already exist.
|
|
*/
|
|
function set (target, key, val) {
|
|
if (process.env.NODE_ENV !== 'production' &&
|
|
(isUndef(target) || isPrimitive(target))
|
|
) {
|
|
warn(("Cannot set reactive property on undefined, null, or primitive value: " + ((target))));
|
|
}
|
|
if (Array.isArray(target) && isValidArrayIndex(key)) {
|
|
target.length = Math.max(target.length, key);
|
|
target.splice(key, 1, val);
|
|
return val
|
|
}
|
|
if (key in target && !(key in Object.prototype)) {
|
|
target[key] = val;
|
|
return val
|
|
}
|
|
var ob = (target).__ob__;
|
|
if (target._isVue || (ob && ob.vmCount)) {
|
|
process.env.NODE_ENV !== 'production' && warn(
|
|
'Avoid adding reactive properties to a Vue instance or its root $data ' +
|
|
'at runtime - declare it upfront in the data option.'
|
|
);
|
|
return val
|
|
}
|
|
if (!ob) {
|
|
target[key] = val;
|
|
return val
|
|
}
|
|
defineReactive$$1(ob.value, key, val);
|
|
ob.dep.notify();
|
|
return val
|
|
}
|
|
|
|
/**
|
|
* Collect dependencies on array elements when the array is touched, since
|
|
* we cannot intercept array element access like property getters.
|
|
*/
|
|
function dependArray (value) {
|
|
for (var e = (void 0), i = 0, l = value.length; i < l; i++) {
|
|
e = value[i];
|
|
e && e.__ob__ && e.__ob__.dep.depend();
|
|
if (Array.isArray(e)) {
|
|
dependArray(e);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
/**
|
|
* Option overwriting strategies are functions that handle
|
|
* how to merge a parent option value and a child option
|
|
* value into the final value.
|
|
*/
|
|
var strats = config.optionMergeStrategies;
|
|
|
|
/**
|
|
* Options with restrictions
|
|
*/
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
strats.el = strats.propsData = function (parent, child, vm, key) {
|
|
if (!vm) {
|
|
warn(
|
|
"option \"" + key + "\" can only be used during instance " +
|
|
'creation with the `new` keyword.'
|
|
);
|
|
}
|
|
return defaultStrat(parent, child)
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Helper that recursively merges two data objects together.
|
|
*/
|
|
function mergeData (to, from) {
|
|
if (!from) { return to }
|
|
var key, toVal, fromVal;
|
|
|
|
var keys = hasSymbol
|
|
? Reflect.ownKeys(from)
|
|
: Object.keys(from);
|
|
|
|
for (var i = 0; i < keys.length; i++) {
|
|
key = keys[i];
|
|
// in case the object is already observed...
|
|
if (key === '__ob__') { continue }
|
|
toVal = to[key];
|
|
fromVal = from[key];
|
|
if (!hasOwn(to, key)) {
|
|
set(to, key, fromVal);
|
|
} else if (
|
|
toVal !== fromVal &&
|
|
isPlainObject(toVal) &&
|
|
isPlainObject(fromVal)
|
|
) {
|
|
mergeData(toVal, fromVal);
|
|
}
|
|
}
|
|
return to
|
|
}
|
|
|
|
/**
|
|
* Data
|
|
*/
|
|
function mergeDataOrFn (
|
|
parentVal,
|
|
childVal,
|
|
vm
|
|
) {
|
|
if (!vm) {
|
|
// in a Vue.extend merge, both should be functions
|
|
if (!childVal) {
|
|
return parentVal
|
|
}
|
|
if (!parentVal) {
|
|
return childVal
|
|
}
|
|
// when parentVal & childVal are both present,
|
|
// we need to return a function that returns the
|
|
// merged result of both functions... no need to
|
|
// check if parentVal is a function here because
|
|
// it has to be a function to pass previous merges.
|
|
return function mergedDataFn () {
|
|
return mergeData(
|
|
typeof childVal === 'function' ? childVal.call(this, this) : childVal,
|
|
typeof parentVal === 'function' ? parentVal.call(this, this) : parentVal
|
|
)
|
|
}
|
|
} else {
|
|
return function mergedInstanceDataFn () {
|
|
// instance merge
|
|
var instanceData = typeof childVal === 'function'
|
|
? childVal.call(vm, vm)
|
|
: childVal;
|
|
var defaultData = typeof parentVal === 'function'
|
|
? parentVal.call(vm, vm)
|
|
: parentVal;
|
|
if (instanceData) {
|
|
return mergeData(instanceData, defaultData)
|
|
} else {
|
|
return defaultData
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
strats.data = function (
|
|
parentVal,
|
|
childVal,
|
|
vm
|
|
) {
|
|
if (!vm) {
|
|
if (childVal && typeof childVal !== 'function') {
|
|
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
|
|
}
|
|
return mergeDataOrFn(parentVal, childVal)
|
|
}
|
|
|
|
return mergeDataOrFn(parentVal, childVal, vm)
|
|
};
|
|
|
|
/**
|
|
* Hooks and props are merged as arrays.
|
|
*/
|
|
function mergeHook (
|
|
parentVal,
|
|
childVal
|
|
) {
|
|
var res = childVal
|
|
? parentVal
|
|
? parentVal.concat(childVal)
|
|
: Array.isArray(childVal)
|
|
? childVal
|
|
: [childVal]
|
|
: parentVal;
|
|
return res
|
|
? dedupeHooks(res)
|
|
: res
|
|
}
|
|
|
|
function dedupeHooks (hooks) {
|
|
var res = [];
|
|
for (var i = 0; i < hooks.length; i++) {
|
|
if (res.indexOf(hooks[i]) === -1) {
|
|
res.push(hooks[i]);
|
|
}
|
|
}
|
|
return res
|
|
}
|
|
|
|
LIFECYCLE_HOOKS.forEach(function (hook) {
|
|
strats[hook] = mergeHook;
|
|
});
|
|
|
|
/**
|
|
* Assets
|
|
*
|
|
* When a vm is present (instance creation), we need to do
|
|
* a three-way merge between constructor options, instance
|
|
* options and parent options.
|
|
*/
|
|
function mergeAssets (
|
|
parentVal,
|
|
childVal,
|
|
vm,
|
|
key
|
|
) {
|
|
var res = Object.create(parentVal || null);
|
|
if (childVal) {
|
|
process.env.NODE_ENV !== 'production' && assertObjectType(key, childVal, vm);
|
|
return extend(res, childVal)
|
|
} else {
|
|
return res
|
|
}
|
|
}
|
|
|
|
ASSET_TYPES.forEach(function (type) {
|
|
strats[type + 's'] = mergeAssets;
|
|
});
|
|
|
|
/**
|
|
* Watchers.
|
|
*
|
|
* Watchers hashes should not overwrite one
|
|
* another, so we merge them as arrays.
|
|
*/
|
|
strats.watch = function (
|
|
parentVal,
|
|
childVal,
|
|
vm,
|
|
key
|
|
) {
|
|
// work around Firefox's Object.prototype.watch...
|
|
if (parentVal === nativeWatch) { parentVal = undefined; }
|
|
if (childVal === nativeWatch) { childVal = undefined; }
|
|
/* istanbul ignore if */
|
|
if (!childVal) { return Object.create(parentVal || null) }
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
assertObjectType(key, childVal, vm);
|
|
}
|
|
if (!parentVal) { return childVal }
|
|
var ret = {};
|
|
extend(ret, parentVal);
|
|
for (var key$1 in childVal) {
|
|
var parent = ret[key$1];
|
|
var child = childVal[key$1];
|
|
if (parent && !Array.isArray(parent)) {
|
|
parent = [parent];
|
|
}
|
|
ret[key$1] = parent
|
|
? parent.concat(child)
|
|
: Array.isArray(child) ? child : [child];
|
|
}
|
|
return ret
|
|
};
|
|
|
|
/**
|
|
* Other object hashes.
|
|
*/
|
|
strats.props =
|
|
strats.methods =
|
|
strats.inject =
|
|
strats.computed = function (
|
|
parentVal,
|
|
childVal,
|
|
vm,
|
|
key
|
|
) {
|
|
if (childVal && process.env.NODE_ENV !== 'production') {
|
|
assertObjectType(key, childVal, vm);
|
|
}
|
|
if (!parentVal) { return childVal }
|
|
var ret = Object.create(null);
|
|
extend(ret, parentVal);
|
|
if (childVal) { extend(ret, childVal); }
|
|
return ret
|
|
};
|
|
strats.provide = mergeDataOrFn;
|
|
|
|
/**
|
|
* Default strategy.
|
|
*/
|
|
var defaultStrat = function (parentVal, childVal) {
|
|
return childVal === undefined
|
|
? parentVal
|
|
: childVal
|
|
};
|
|
|
|
function assertObjectType (name, value, vm) {
|
|
if (!isPlainObject(value)) {
|
|
warn(
|
|
"Invalid value for option \"" + name + "\": expected an Object, " +
|
|
"but got " + (toRawType(value)) + ".",
|
|
vm
|
|
);
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
/* */
|
|
|
|
/* */
|
|
|
|
var callbacks = [];
|
|
|
|
function flushCallbacks () {
|
|
var copies = callbacks.slice(0);
|
|
callbacks.length = 0;
|
|
for (var i = 0; i < copies.length; i++) {
|
|
copies[i]();
|
|
}
|
|
}
|
|
|
|
// The nextTick behavior leverages the microtask queue, which can be accessed
|
|
// via either native Promise.then or MutationObserver.
|
|
// MutationObserver has wider support, however it is seriously bugged in
|
|
// UIWebView in iOS >= 9.3.3 when triggered in touch event handlers. It
|
|
// completely stops working after triggering a few times... so, if native
|
|
// Promise is available, we will use it:
|
|
/* istanbul ignore next, $flow-disable-line */
|
|
if (typeof Promise !== 'undefined' && isNative(Promise)) ; else if (!isIE && typeof MutationObserver !== 'undefined' && (
|
|
isNative(MutationObserver) ||
|
|
// PhantomJS and iOS 7.x
|
|
MutationObserver.toString() === '[object MutationObserverConstructor]'
|
|
)) {
|
|
// Use MutationObserver where native Promise is not available,
|
|
// e.g. PhantomJS, iOS7, Android 4.4
|
|
// (#6466 MutationObserver is unreliable in IE11)
|
|
var counter = 1;
|
|
var observer = new MutationObserver(flushCallbacks);
|
|
var textNode = document.createTextNode(String(counter));
|
|
observer.observe(textNode, {
|
|
characterData: true
|
|
});
|
|
} else if (typeof setImmediate !== 'undefined' && isNative(setImmediate)) ;
|
|
|
|
/* */
|
|
|
|
/* */
|
|
|
|
// these are reserved for web because they are directly compiled away
|
|
// during template compilation
|
|
var isReservedAttr = makeMap('style,class');
|
|
|
|
// attributes that should be using props for binding
|
|
var acceptValue = makeMap('input,textarea,option,select,progress');
|
|
var mustUseProp = function (tag, type, attr) {
|
|
return (
|
|
(attr === 'value' && acceptValue(tag)) && type !== 'button' ||
|
|
(attr === 'selected' && tag === 'option') ||
|
|
(attr === 'checked' && tag === 'input') ||
|
|
(attr === 'muted' && tag === 'video')
|
|
)
|
|
};
|
|
|
|
var isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck');
|
|
|
|
var isValidContentEditableValue = makeMap('events,caret,typing,plaintext-only');
|
|
|
|
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,' +
|
|
'truespeed,typemustmatch,visible'
|
|
);
|
|
|
|
/* */
|
|
|
|
/* */
|
|
|
|
var isHTMLTag = makeMap(
|
|
'html,body,base,head,link,meta,style,title,' +
|
|
'address,article,aside,footer,header,h1,h2,h3,h4,h5,h6,hgroup,nav,section,' +
|
|
'div,dd,dl,dt,figcaption,figure,picture,hr,img,li,main,ol,p,pre,ul,' +
|
|
'a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,rtc,ruby,' +
|
|
's,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,video,' +
|
|
'embed,object,param,source,canvas,script,noscript,del,ins,' +
|
|
'caption,col,colgroup,table,thead,tbody,td,th,tr,' +
|
|
'button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,' +
|
|
'output,progress,select,textarea,' +
|
|
'details,dialog,menu,menuitem,summary,' +
|
|
'content,element,shadow,template,blockquote,iframe,tfoot'
|
|
);
|
|
|
|
// this map is intentionally selective, only covering SVG elements that may
|
|
// contain child elements.
|
|
var isSVG = makeMap(
|
|
'svg,animate,circle,clippath,cursor,defs,desc,ellipse,filter,font-face,' +
|
|
'foreignobject,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' +
|
|
'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view',
|
|
true
|
|
);
|
|
|
|
var isPreTag = function (tag) { return tag === 'pre'; };
|
|
|
|
var isReservedTag = function (tag) {
|
|
return isHTMLTag(tag) || isSVG(tag)
|
|
};
|
|
|
|
function getTagNamespace (tag) {
|
|
if (isSVG(tag)) {
|
|
return 'svg'
|
|
}
|
|
// basic support for MathML
|
|
// note it doesn't support other MathML elements being component roots
|
|
if (tag === 'math') {
|
|
return 'math'
|
|
}
|
|
}
|
|
|
|
var isTextInputType = makeMap('text,number,password,search,email,tel,url');
|
|
|
|
/* */
|
|
|
|
/* */
|
|
|
|
var validDivisionCharRE = /[\w).+\-_$\]]/;
|
|
|
|
function parseFilters (exp) {
|
|
var inSingle = false;
|
|
var inDouble = false;
|
|
var inTemplateString = false;
|
|
var inRegex = false;
|
|
var curly = 0;
|
|
var square = 0;
|
|
var paren = 0;
|
|
var lastFilterIndex = 0;
|
|
var c, prev, i, expression, filters;
|
|
|
|
for (i = 0; i < exp.length; i++) {
|
|
prev = c;
|
|
c = exp.charCodeAt(i);
|
|
if (inSingle) {
|
|
if (c === 0x27 && prev !== 0x5C) { inSingle = false; }
|
|
} else if (inDouble) {
|
|
if (c === 0x22 && prev !== 0x5C) { inDouble = false; }
|
|
} else if (inTemplateString) {
|
|
if (c === 0x60 && prev !== 0x5C) { inTemplateString = false; }
|
|
} else if (inRegex) {
|
|
if (c === 0x2f && prev !== 0x5C) { inRegex = false; }
|
|
} else if (
|
|
c === 0x7C && // pipe
|
|
exp.charCodeAt(i + 1) !== 0x7C &&
|
|
exp.charCodeAt(i - 1) !== 0x7C &&
|
|
!curly && !square && !paren
|
|
) {
|
|
if (expression === undefined) {
|
|
// first filter, end of expression
|
|
lastFilterIndex = i + 1;
|
|
expression = exp.slice(0, i).trim();
|
|
} else {
|
|
pushFilter();
|
|
}
|
|
} else {
|
|
switch (c) {
|
|
case 0x22: inDouble = true; break // "
|
|
case 0x27: inSingle = true; break // '
|
|
case 0x60: inTemplateString = true; break // `
|
|
case 0x28: paren++; break // (
|
|
case 0x29: paren--; break // )
|
|
case 0x5B: square++; break // [
|
|
case 0x5D: square--; break // ]
|
|
case 0x7B: curly++; break // {
|
|
case 0x7D: curly--; break // }
|
|
}
|
|
if (c === 0x2f) { // /
|
|
var j = i - 1;
|
|
var p = (void 0);
|
|
// find first non-whitespace prev char
|
|
for (; j >= 0; j--) {
|
|
p = exp.charAt(j);
|
|
if (p !== ' ') { break }
|
|
}
|
|
if (!p || !validDivisionCharRE.test(p)) {
|
|
inRegex = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (expression === undefined) {
|
|
expression = exp.slice(0, i).trim();
|
|
} else if (lastFilterIndex !== 0) {
|
|
pushFilter();
|
|
}
|
|
|
|
function pushFilter () {
|
|
(filters || (filters = [])).push(exp.slice(lastFilterIndex, i).trim());
|
|
lastFilterIndex = i + 1;
|
|
}
|
|
|
|
if (filters) {
|
|
for (i = 0; i < filters.length; i++) {
|
|
expression = wrapFilter(expression, filters[i]);
|
|
}
|
|
}
|
|
|
|
return expression
|
|
}
|
|
|
|
function wrapFilter (exp, filter) {
|
|
var i = filter.indexOf('(');
|
|
if (i < 0) {
|
|
// _f: resolveFilter
|
|
return ("_f(\"" + filter + "\")(" + exp + ")")
|
|
} else {
|
|
var name = filter.slice(0, i);
|
|
var args = filter.slice(i + 1);
|
|
return ("_f(\"" + name + "\")(" + exp + (args !== ')' ? ',' + args : args))
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
var defaultTagRE = /\{\{((?:.|\r?\n)+?)\}\}/g;
|
|
var regexEscapeRE = /[-.*+?^${}()|[\]\/\\]/g;
|
|
|
|
var buildRegex = cached(function (delimiters) {
|
|
var open = delimiters[0].replace(regexEscapeRE, '\\$&');
|
|
var close = delimiters[1].replace(regexEscapeRE, '\\$&');
|
|
return new RegExp(open + '((?:.|\\n)+?)' + close, 'g')
|
|
});
|
|
|
|
|
|
|
|
function parseText (
|
|
text,
|
|
delimiters
|
|
) {
|
|
var tagRE = delimiters ? buildRegex(delimiters) : defaultTagRE;
|
|
if (!tagRE.test(text)) {
|
|
return
|
|
}
|
|
var tokens = [];
|
|
var rawTokens = [];
|
|
var lastIndex = tagRE.lastIndex = 0;
|
|
var match, index, tokenValue;
|
|
while ((match = tagRE.exec(text))) {
|
|
index = match.index;
|
|
// push text token
|
|
if (index > lastIndex) {
|
|
rawTokens.push(tokenValue = text.slice(lastIndex, index));
|
|
tokens.push(JSON.stringify(tokenValue));
|
|
}
|
|
// tag token
|
|
var exp = parseFilters(match[1].trim());
|
|
tokens.push(("_s(" + exp + ")"));
|
|
rawTokens.push({ '@binding': exp });
|
|
lastIndex = index + match[0].length;
|
|
}
|
|
if (lastIndex < text.length) {
|
|
rawTokens.push(tokenValue = text.slice(lastIndex));
|
|
tokens.push(JSON.stringify(tokenValue));
|
|
}
|
|
return {
|
|
expression: tokens.join('+'),
|
|
tokens: rawTokens
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
|
|
|
|
/* eslint-disable no-unused-vars */
|
|
function baseWarn (msg, range) {
|
|
console.error(("[Vue compiler]: " + msg));
|
|
}
|
|
/* eslint-enable no-unused-vars */
|
|
|
|
function pluckModuleFunction (
|
|
modules,
|
|
key
|
|
) {
|
|
return modules
|
|
? modules.map(function (m) { return m[key]; }).filter(function (_) { return _; })
|
|
: []
|
|
}
|
|
|
|
function addProp (el, name, value, range, dynamic) {
|
|
(el.props || (el.props = [])).push(rangeSetItem({ name: name, value: value, dynamic: dynamic }, range));
|
|
el.plain = false;
|
|
}
|
|
|
|
function addAttr (el, name, value, range, dynamic) {
|
|
var attrs = dynamic
|
|
? (el.dynamicAttrs || (el.dynamicAttrs = []))
|
|
: (el.attrs || (el.attrs = []));
|
|
attrs.push(rangeSetItem({ name: name, value: value, dynamic: dynamic }, range));
|
|
el.plain = false;
|
|
}
|
|
|
|
// add a raw attr (use this in preTransforms)
|
|
function addRawAttr (el, name, value, range) {
|
|
el.attrsMap[name] = value;
|
|
el.attrsList.push(rangeSetItem({ name: name, value: value }, range));
|
|
}
|
|
|
|
function addDirective (
|
|
el,
|
|
name,
|
|
rawName,
|
|
value,
|
|
arg,
|
|
isDynamicArg,
|
|
modifiers,
|
|
range
|
|
) {
|
|
(el.directives || (el.directives = [])).push(rangeSetItem({
|
|
name: name,
|
|
rawName: rawName,
|
|
value: value,
|
|
arg: arg,
|
|
isDynamicArg: isDynamicArg,
|
|
modifiers: modifiers
|
|
}, range));
|
|
el.plain = false;
|
|
}
|
|
|
|
function prependModifierMarker (symbol, name, dynamic) {
|
|
return dynamic
|
|
? ("_p(" + name + ",\"" + symbol + "\")")
|
|
: symbol + name // mark the event as captured
|
|
}
|
|
|
|
function addHandler (
|
|
el,
|
|
name,
|
|
value,
|
|
modifiers,
|
|
important,
|
|
warn,
|
|
range,
|
|
dynamic
|
|
) {
|
|
modifiers = modifiers || emptyObject;
|
|
// warn prevent and passive modifier
|
|
/* istanbul ignore if */
|
|
if (
|
|
process.env.NODE_ENV !== 'production' && warn &&
|
|
modifiers.prevent && modifiers.passive
|
|
) {
|
|
warn(
|
|
'passive and prevent can\'t be used together. ' +
|
|
'Passive handler can\'t prevent default event.',
|
|
range
|
|
);
|
|
}
|
|
|
|
// normalize click.right and click.middle since they don't actually fire
|
|
// this is technically browser-specific, but at least for now browsers are
|
|
// the only target envs that have right/middle clicks.
|
|
if (modifiers.right) {
|
|
if (dynamic) {
|
|
name = "(" + name + ")==='click'?'contextmenu':(" + name + ")";
|
|
} else if (name === 'click') {
|
|
name = 'contextmenu';
|
|
delete modifiers.right;
|
|
}
|
|
} else if (modifiers.middle) {
|
|
if (dynamic) {
|
|
name = "(" + name + ")==='click'?'mouseup':(" + name + ")";
|
|
} else if (name === 'click') {
|
|
name = 'mouseup';
|
|
}
|
|
}
|
|
|
|
// check capture modifier
|
|
if (modifiers.capture) {
|
|
delete modifiers.capture;
|
|
name = prependModifierMarker('!', name, dynamic);
|
|
}
|
|
if (modifiers.once) {
|
|
delete modifiers.once;
|
|
name = prependModifierMarker('~', name, dynamic);
|
|
}
|
|
/* istanbul ignore if */
|
|
if (modifiers.passive) {
|
|
delete modifiers.passive;
|
|
name = prependModifierMarker('&', name, dynamic);
|
|
}
|
|
|
|
var events;
|
|
if (modifiers.native) {
|
|
delete modifiers.native;
|
|
events = el.nativeEvents || (el.nativeEvents = {});
|
|
} else {
|
|
events = el.events || (el.events = {});
|
|
}
|
|
|
|
var newHandler = rangeSetItem({ value: value.trim(), dynamic: dynamic }, range);
|
|
if (modifiers !== emptyObject) {
|
|
newHandler.modifiers = modifiers;
|
|
}
|
|
|
|
var handlers = events[name];
|
|
/* istanbul ignore if */
|
|
if (Array.isArray(handlers)) {
|
|
important ? handlers.unshift(newHandler) : handlers.push(newHandler);
|
|
} else if (handlers) {
|
|
events[name] = important ? [newHandler, handlers] : [handlers, newHandler];
|
|
} else {
|
|
events[name] = newHandler;
|
|
}
|
|
|
|
el.plain = false;
|
|
}
|
|
|
|
function getRawBindingAttr (
|
|
el,
|
|
name
|
|
) {
|
|
return el.rawAttrsMap[':' + name] ||
|
|
el.rawAttrsMap['v-bind:' + name] ||
|
|
el.rawAttrsMap[name]
|
|
}
|
|
|
|
function getBindingAttr (
|
|
el,
|
|
name,
|
|
getStatic
|
|
) {
|
|
var dynamicValue =
|
|
getAndRemoveAttr(el, ':' + name) ||
|
|
getAndRemoveAttr(el, 'v-bind:' + name);
|
|
if (dynamicValue != null) {
|
|
return parseFilters(dynamicValue)
|
|
} else if (getStatic !== false) {
|
|
var staticValue = getAndRemoveAttr(el, name);
|
|
if (staticValue != null) {
|
|
return JSON.stringify(staticValue)
|
|
}
|
|
}
|
|
}
|
|
|
|
// note: this only removes the attr from the Array (attrsList) so that it
|
|
// doesn't get processed by processAttrs.
|
|
// By default it does NOT remove it from the map (attrsMap) because the map is
|
|
// needed during codegen.
|
|
function getAndRemoveAttr (
|
|
el,
|
|
name,
|
|
removeFromMap
|
|
) {
|
|
var val;
|
|
if ((val = el.attrsMap[name]) != null) {
|
|
var list = el.attrsList;
|
|
for (var i = 0, l = list.length; i < l; i++) {
|
|
if (list[i].name === name) {
|
|
list.splice(i, 1);
|
|
break
|
|
}
|
|
}
|
|
}
|
|
if (removeFromMap) {
|
|
delete el.attrsMap[name];
|
|
}
|
|
return val
|
|
}
|
|
|
|
function getAndRemoveAttrByRegex (
|
|
el,
|
|
name
|
|
) {
|
|
var list = el.attrsList;
|
|
for (var i = 0, l = list.length; i < l; i++) {
|
|
var attr = list[i];
|
|
if (name.test(attr.name)) {
|
|
list.splice(i, 1);
|
|
return attr
|
|
}
|
|
}
|
|
}
|
|
|
|
function rangeSetItem (
|
|
item,
|
|
range
|
|
) {
|
|
if (range) {
|
|
if (range.start != null) {
|
|
item.start = range.start;
|
|
}
|
|
if (range.end != null) {
|
|
item.end = range.end;
|
|
}
|
|
}
|
|
return item
|
|
}
|
|
|
|
/* */
|
|
|
|
function transformNode (el, options) {
|
|
var warn = options.warn || baseWarn;
|
|
var staticClass = getAndRemoveAttr(el, 'class');
|
|
if (process.env.NODE_ENV !== 'production' && staticClass) {
|
|
var res = parseText(staticClass, options.delimiters);
|
|
if (res) {
|
|
warn(
|
|
"class=\"" + staticClass + "\": " +
|
|
'Interpolation inside attributes has been removed. ' +
|
|
'Use v-bind or the colon shorthand instead. For example, ' +
|
|
'instead of <div class="{{ val }}">, use <div :class="val">.',
|
|
el.rawAttrsMap['class']
|
|
);
|
|
}
|
|
}
|
|
if (staticClass) {
|
|
el.staticClass = JSON.stringify(staticClass);
|
|
}
|
|
var classBinding = getBindingAttr(el, 'class', false /* getStatic */);
|
|
if (classBinding) {
|
|
el.classBinding = classBinding;
|
|
}
|
|
}
|
|
|
|
function genData (el) {
|
|
var data = '';
|
|
if (el.staticClass) {
|
|
data += "staticClass:" + (el.staticClass) + ",";
|
|
}
|
|
if (el.classBinding) {
|
|
data += "class:" + (el.classBinding) + ",";
|
|
}
|
|
return data
|
|
}
|
|
|
|
var klass = {
|
|
staticKeys: ['staticClass'],
|
|
transformNode: transformNode,
|
|
genData: genData
|
|
};
|
|
|
|
/* */
|
|
|
|
var parseStyleText = cached(function (cssText) {
|
|
var res = {};
|
|
var listDelimiter = /;(?![^(]*\))/g;
|
|
var propertyDelimiter = /:(.+)/;
|
|
cssText.split(listDelimiter).forEach(function (item) {
|
|
if (item) {
|
|
var tmp = item.split(propertyDelimiter);
|
|
tmp.length > 1 && (res[tmp[0].trim()] = tmp[1].trim());
|
|
}
|
|
});
|
|
return res
|
|
});
|
|
|
|
/* */
|
|
|
|
function transformNode$1 (el, options) {
|
|
var warn = options.warn || baseWarn;
|
|
var staticStyle = getAndRemoveAttr(el, 'style');
|
|
if (staticStyle) {
|
|
/* istanbul ignore if */
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
var res = parseText(staticStyle, options.delimiters);
|
|
if (res) {
|
|
warn(
|
|
"style=\"" + staticStyle + "\": " +
|
|
'Interpolation inside attributes has been removed. ' +
|
|
'Use v-bind or the colon shorthand instead. For example, ' +
|
|
'instead of <div style="{{ val }}">, use <div :style="val">.',
|
|
el.rawAttrsMap['style']
|
|
);
|
|
}
|
|
}
|
|
el.staticStyle = JSON.stringify(parseStyleText(staticStyle));
|
|
}
|
|
|
|
var styleBinding = getBindingAttr(el, 'style', false /* getStatic */);
|
|
if (styleBinding) {
|
|
el.styleBinding = styleBinding;
|
|
}
|
|
}
|
|
|
|
function genData$1 (el) {
|
|
var data = '';
|
|
if (el.staticStyle) {
|
|
data += "staticStyle:" + (el.staticStyle) + ",";
|
|
}
|
|
if (el.styleBinding) {
|
|
data += "style:(" + (el.styleBinding) + "),";
|
|
}
|
|
return data
|
|
}
|
|
|
|
var style = {
|
|
staticKeys: ['staticStyle'],
|
|
transformNode: transformNode$1,
|
|
genData: genData$1
|
|
};
|
|
|
|
/* */
|
|
|
|
/**
|
|
* Cross-platform code generation for component v-model
|
|
*/
|
|
function genComponentModel (
|
|
el,
|
|
value,
|
|
modifiers
|
|
) {
|
|
var ref = modifiers || {};
|
|
var number = ref.number;
|
|
var trim = ref.trim;
|
|
|
|
var baseValueExpression = '$$v';
|
|
var valueExpression = baseValueExpression;
|
|
if (trim) {
|
|
valueExpression =
|
|
"(typeof " + baseValueExpression + " === 'string'" +
|
|
"? " + baseValueExpression + ".trim()" +
|
|
": " + baseValueExpression + ")";
|
|
}
|
|
if (number) {
|
|
valueExpression = "_n(" + valueExpression + ")";
|
|
}
|
|
var assignment = genAssignmentCode(value, valueExpression);
|
|
|
|
el.model = {
|
|
value: ("(" + value + ")"),
|
|
expression: JSON.stringify(value),
|
|
callback: ("function (" + baseValueExpression + ") {" + assignment + "}")
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Cross-platform codegen helper for generating v-model value assignment code.
|
|
*/
|
|
function genAssignmentCode (
|
|
value,
|
|
assignment
|
|
) {
|
|
var res = parseModel(value);
|
|
if (res.key === null) {
|
|
return (value + "=" + assignment)
|
|
} else {
|
|
return ("$set(" + (res.exp) + ", " + (res.key) + ", " + assignment + ")")
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Parse a v-model expression into a base path and a final key segment.
|
|
* Handles both dot-path and possible square brackets.
|
|
*
|
|
* Possible cases:
|
|
*
|
|
* - test
|
|
* - test[key]
|
|
* - test[test1[key]]
|
|
* - test["a"][key]
|
|
* - xxx.test[a[a].test1[key]]
|
|
* - test.xxx.a["asa"][test1[key]]
|
|
*
|
|
*/
|
|
|
|
var len, str, chr, index, expressionPos, expressionEndPos;
|
|
|
|
|
|
|
|
function parseModel (val) {
|
|
// Fix https://github.com/vuejs/vue/pull/7730
|
|
// allow v-model="obj.val " (trailing whitespace)
|
|
val = val.trim();
|
|
len = val.length;
|
|
|
|
if (val.indexOf('[') < 0 || val.lastIndexOf(']') < len - 1) {
|
|
index = val.lastIndexOf('.');
|
|
if (index > -1) {
|
|
return {
|
|
exp: val.slice(0, index),
|
|
key: '"' + val.slice(index + 1) + '"'
|
|
}
|
|
} else {
|
|
return {
|
|
exp: val,
|
|
key: null
|
|
}
|
|
}
|
|
}
|
|
|
|
str = val;
|
|
index = expressionPos = expressionEndPos = 0;
|
|
|
|
while (!eof()) {
|
|
chr = next();
|
|
/* istanbul ignore if */
|
|
if (isStringStart(chr)) {
|
|
parseString(chr);
|
|
} else if (chr === 0x5B) {
|
|
parseBracket(chr);
|
|
}
|
|
}
|
|
|
|
return {
|
|
exp: val.slice(0, expressionPos),
|
|
key: val.slice(expressionPos + 1, expressionEndPos)
|
|
}
|
|
}
|
|
|
|
function next () {
|
|
return str.charCodeAt(++index)
|
|
}
|
|
|
|
function eof () {
|
|
return index >= len
|
|
}
|
|
|
|
function isStringStart (chr) {
|
|
return chr === 0x22 || chr === 0x27
|
|
}
|
|
|
|
function parseBracket (chr) {
|
|
var inBracket = 1;
|
|
expressionPos = index;
|
|
while (!eof()) {
|
|
chr = next();
|
|
if (isStringStart(chr)) {
|
|
parseString(chr);
|
|
continue
|
|
}
|
|
if (chr === 0x5B) { inBracket++; }
|
|
if (chr === 0x5D) { inBracket--; }
|
|
if (inBracket === 0) {
|
|
expressionEndPos = index;
|
|
break
|
|
}
|
|
}
|
|
}
|
|
|
|
function parseString (chr) {
|
|
var stringQuote = chr;
|
|
while (!eof()) {
|
|
chr = next();
|
|
if (chr === stringQuote) {
|
|
break
|
|
}
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
var onRE = /^@|^v-on:/;
|
|
var dirRE = /^v-|^@|^:|^#/;
|
|
var forAliasRE = /([\s\S]*?)\s+(?:in|of)\s+([\s\S]*)/;
|
|
var forIteratorRE = /,([^,\}\]]*)(?:,([^,\}\]]*))?$/;
|
|
var stripParensRE = /^\(|\)$/g;
|
|
var dynamicArgRE = /^\[.*\]$/;
|
|
|
|
var argRE = /:(.*)$/;
|
|
var bindRE = /^:|^\.|^v-bind:/;
|
|
var modifierRE = /\.[^.\]]+(?=[^\]]*$)/g;
|
|
|
|
var slotRE = /^v-slot(:|$)|^#/;
|
|
|
|
var lineBreakRE = /[\r\n]/;
|
|
var whitespaceRE = /[ \f\t\r\n]+/g;
|
|
|
|
var invalidAttributeRE = /[\s"'<>\/=]/;
|
|
|
|
var decodeHTMLCached = cached(he.decode);
|
|
|
|
var emptySlotScopeToken = "_empty_";
|
|
|
|
// configurable state
|
|
var warn$1;
|
|
var delimiters;
|
|
var transforms;
|
|
var preTransforms;
|
|
var postTransforms;
|
|
var platformIsPreTag;
|
|
var platformMustUseProp;
|
|
var platformGetTagNamespace;
|
|
var maybeComponent;
|
|
|
|
function createASTElement (
|
|
tag,
|
|
attrs,
|
|
parent
|
|
) {
|
|
return {
|
|
type: 1,
|
|
tag: tag,
|
|
attrsList: attrs,
|
|
attrsMap: makeAttrsMap(attrs),
|
|
rawAttrsMap: {},
|
|
parent: parent,
|
|
children: []
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Convert HTML string to AST.
|
|
*/
|
|
function parse (
|
|
template,
|
|
options
|
|
) {
|
|
warn$1 = options.warn || baseWarn;
|
|
|
|
platformIsPreTag = options.isPreTag || no;
|
|
platformMustUseProp = options.mustUseProp || no;
|
|
platformGetTagNamespace = options.getTagNamespace || no;
|
|
var isReservedTag = options.isReservedTag || no;
|
|
maybeComponent = function (el) { return !!(
|
|
el.component ||
|
|
el.attrsMap[':is'] ||
|
|
el.attrsMap['v-bind:is'] ||
|
|
!(el.attrsMap.is ? isReservedTag(el.attrsMap.is) : isReservedTag(el.tag))
|
|
); };
|
|
transforms = pluckModuleFunction(options.modules, 'transformNode');
|
|
preTransforms = pluckModuleFunction(options.modules, 'preTransformNode');
|
|
postTransforms = pluckModuleFunction(options.modules, 'postTransformNode');
|
|
|
|
delimiters = options.delimiters;
|
|
|
|
var stack = [];
|
|
var preserveWhitespace = options.preserveWhitespace !== false;
|
|
var whitespaceOption = options.whitespace;
|
|
var root;
|
|
var currentParent;
|
|
var inVPre = false;
|
|
var inPre = false;
|
|
var warned = false;
|
|
|
|
function warnOnce (msg, range) {
|
|
if (!warned) {
|
|
warned = true;
|
|
warn$1(msg, range);
|
|
}
|
|
}
|
|
|
|
function closeElement (element) {
|
|
trimEndingWhitespace(element);
|
|
if (!inVPre && !element.processed) {
|
|
element = processElement(element, options);
|
|
}
|
|
// tree management
|
|
if (!stack.length && element !== root) {
|
|
// allow root elements with v-if, v-else-if and v-else
|
|
if (root.if && (element.elseif || element.else)) {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
checkRootConstraints(element);
|
|
}
|
|
addIfCondition(root, {
|
|
exp: element.elseif,
|
|
block: element
|
|
});
|
|
} else if (process.env.NODE_ENV !== 'production') {
|
|
warnOnce(
|
|
"Component template should contain exactly one root element. " +
|
|
"If you are using v-if on multiple elements, " +
|
|
"use v-else-if to chain them instead.",
|
|
{ start: element.start }
|
|
);
|
|
}
|
|
}
|
|
if (currentParent && !element.forbidden) {
|
|
if (element.elseif || element.else) {
|
|
processIfConditions(element, currentParent);
|
|
} else {
|
|
if (element.slotScope) {
|
|
// scoped slot
|
|
// keep it in the children list so that v-else(-if) conditions can
|
|
// find it as the prev node.
|
|
var name = element.slotTarget || '"default"'
|
|
;(currentParent.scopedSlots || (currentParent.scopedSlots = {}))[name] = element;
|
|
}
|
|
currentParent.children.push(element);
|
|
element.parent = currentParent;
|
|
}
|
|
}
|
|
|
|
// final children cleanup
|
|
// filter out scoped slots
|
|
element.children = element.children.filter(function (c) { return !(c).slotScope; });
|
|
// remove trailing whitespace node again
|
|
trimEndingWhitespace(element);
|
|
|
|
// check pre state
|
|
if (element.pre) {
|
|
inVPre = false;
|
|
}
|
|
if (platformIsPreTag(element.tag)) {
|
|
inPre = false;
|
|
}
|
|
// apply post-transforms
|
|
for (var i = 0; i < postTransforms.length; i++) {
|
|
postTransforms[i](element, options);
|
|
}
|
|
}
|
|
|
|
function trimEndingWhitespace (el) {
|
|
// remove trailing whitespace node
|
|
if (!inPre) {
|
|
var lastNode;
|
|
while (
|
|
(lastNode = el.children[el.children.length - 1]) &&
|
|
lastNode.type === 3 &&
|
|
lastNode.text === ' '
|
|
) {
|
|
el.children.pop();
|
|
}
|
|
}
|
|
}
|
|
|
|
function checkRootConstraints (el) {
|
|
if (el.tag === 'slot' || el.tag === 'template') {
|
|
warnOnce(
|
|
"Cannot use <" + (el.tag) + "> as component root element because it may " +
|
|
'contain multiple nodes.',
|
|
{ start: el.start }
|
|
);
|
|
}
|
|
if (el.attrsMap.hasOwnProperty('v-for')) {
|
|
warnOnce(
|
|
'Cannot use v-for on stateful component root element because ' +
|
|
'it renders multiple elements.',
|
|
el.rawAttrsMap['v-for']
|
|
);
|
|
}
|
|
}
|
|
|
|
parseHTML(template, {
|
|
warn: warn$1,
|
|
expectHTML: options.expectHTML,
|
|
isUnaryTag: options.isUnaryTag,
|
|
canBeLeftOpenTag: options.canBeLeftOpenTag,
|
|
shouldDecodeNewlines: options.shouldDecodeNewlines,
|
|
shouldDecodeNewlinesForHref: options.shouldDecodeNewlinesForHref,
|
|
shouldKeepComment: options.comments,
|
|
outputSourceRange: options.outputSourceRange,
|
|
start: function start (tag, attrs, unary, start$1, end) {
|
|
// check namespace.
|
|
// inherit parent ns if there is one
|
|
var ns = (currentParent && currentParent.ns) || platformGetTagNamespace(tag);
|
|
|
|
// handle IE svg bug
|
|
/* istanbul ignore if */
|
|
if (isIE && ns === 'svg') {
|
|
attrs = guardIESVGBug(attrs);
|
|
}
|
|
|
|
var element = createASTElement(tag, attrs, currentParent);
|
|
if (ns) {
|
|
element.ns = ns;
|
|
}
|
|
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
if (options.outputSourceRange) {
|
|
element.start = start$1;
|
|
element.end = end;
|
|
element.rawAttrsMap = element.attrsList.reduce(function (cumulated, attr) {
|
|
cumulated[attr.name] = attr;
|
|
return cumulated
|
|
}, {});
|
|
}
|
|
attrs.forEach(function (attr) {
|
|
if (invalidAttributeRE.test(attr.name)) {
|
|
warn$1(
|
|
"Invalid dynamic argument expression: attribute names cannot contain " +
|
|
"spaces, quotes, <, >, / or =.",
|
|
{
|
|
start: attr.start + attr.name.indexOf("["),
|
|
end: attr.start + attr.name.length
|
|
}
|
|
);
|
|
}
|
|
});
|
|
}
|
|
|
|
if (isForbiddenTag(element) && !isServerRendering()) {
|
|
element.forbidden = true;
|
|
process.env.NODE_ENV !== 'production' && warn$1(
|
|
'Templates should only be responsible for mapping the state to the ' +
|
|
'UI. Avoid placing tags with side-effects in your templates, such as ' +
|
|
"<" + tag + ">" + ', as they will not be parsed.',
|
|
{ start: element.start }
|
|
);
|
|
}
|
|
|
|
// apply pre-transforms
|
|
for (var i = 0; i < preTransforms.length; i++) {
|
|
element = preTransforms[i](element, options) || element;
|
|
}
|
|
|
|
if (!inVPre) {
|
|
processPre(element);
|
|
if (element.pre) {
|
|
inVPre = true;
|
|
}
|
|
}
|
|
if (platformIsPreTag(element.tag)) {
|
|
inPre = true;
|
|
}
|
|
if (inVPre) {
|
|
processRawAttrs(element);
|
|
} else if (!element.processed) {
|
|
// structural directives
|
|
processFor(element);
|
|
processIf(element);
|
|
processOnce(element);
|
|
}
|
|
|
|
if (!root) {
|
|
root = element;
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
checkRootConstraints(root);
|
|
}
|
|
}
|
|
|
|
if (!unary) {
|
|
currentParent = element;
|
|
stack.push(element);
|
|
} else {
|
|
closeElement(element);
|
|
}
|
|
},
|
|
|
|
end: function end (tag, start, end$1) {
|
|
var element = stack[stack.length - 1];
|
|
// pop stack
|
|
stack.length -= 1;
|
|
currentParent = stack[stack.length - 1];
|
|
if (process.env.NODE_ENV !== 'production' && options.outputSourceRange) {
|
|
element.end = end$1;
|
|
}
|
|
closeElement(element);
|
|
},
|
|
|
|
chars: function chars (text, start, end) {
|
|
if (!currentParent) {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
if (text === template) {
|
|
warnOnce(
|
|
'Component template requires a root element, rather than just text.',
|
|
{ start: start }
|
|
);
|
|
} else if ((text = text.trim())) {
|
|
warnOnce(
|
|
("text \"" + text + "\" outside root element will be ignored."),
|
|
{ start: start }
|
|
);
|
|
}
|
|
}
|
|
return
|
|
}
|
|
// IE textarea placeholder bug
|
|
/* istanbul ignore if */
|
|
if (isIE &&
|
|
currentParent.tag === 'textarea' &&
|
|
currentParent.attrsMap.placeholder === text
|
|
) {
|
|
return
|
|
}
|
|
var children = currentParent.children;
|
|
if (inPre || text.trim()) {
|
|
text = isTextTag(currentParent) ? text : decodeHTMLCached(text);
|
|
} else if (!children.length) {
|
|
// remove the whitespace-only node right after an opening tag
|
|
text = '';
|
|
} else if (whitespaceOption) {
|
|
if (whitespaceOption === 'condense') {
|
|
// in condense mode, remove the whitespace node if it contains
|
|
// line break, otherwise condense to a single space
|
|
text = lineBreakRE.test(text) ? '' : ' ';
|
|
} else {
|
|
text = ' ';
|
|
}
|
|
} else {
|
|
text = preserveWhitespace ? ' ' : '';
|
|
}
|
|
if (text) {
|
|
if (!inPre && whitespaceOption === 'condense') {
|
|
// condense consecutive whitespaces into single space
|
|
text = text.replace(whitespaceRE, ' ');
|
|
}
|
|
var res;
|
|
var child;
|
|
if (!inVPre && text !== ' ' && (res = parseText(text, delimiters))) {
|
|
child = {
|
|
type: 2,
|
|
expression: res.expression,
|
|
tokens: res.tokens,
|
|
text: text
|
|
};
|
|
} else if (text !== ' ' || !children.length || children[children.length - 1].text !== ' ') {
|
|
child = {
|
|
type: 3,
|
|
text: text
|
|
};
|
|
}
|
|
if (child) {
|
|
if (process.env.NODE_ENV !== 'production' && options.outputSourceRange) {
|
|
child.start = start;
|
|
child.end = end;
|
|
}
|
|
children.push(child);
|
|
}
|
|
}
|
|
},
|
|
comment: function comment (text, start, end) {
|
|
// adding anything as a sibling to the root node is forbidden
|
|
// comments should still be allowed, but ignored
|
|
if (currentParent) {
|
|
var child = {
|
|
type: 3,
|
|
text: text,
|
|
isComment: true
|
|
};
|
|
if (process.env.NODE_ENV !== 'production' && options.outputSourceRange) {
|
|
child.start = start;
|
|
child.end = end;
|
|
}
|
|
currentParent.children.push(child);
|
|
}
|
|
}
|
|
});
|
|
return root
|
|
}
|
|
|
|
function processPre (el) {
|
|
if (getAndRemoveAttr(el, 'v-pre') != null) {
|
|
el.pre = true;
|
|
}
|
|
}
|
|
|
|
function processRawAttrs (el) {
|
|
var list = el.attrsList;
|
|
var len = list.length;
|
|
if (len) {
|
|
var attrs = el.attrs = new Array(len);
|
|
for (var i = 0; i < len; i++) {
|
|
attrs[i] = {
|
|
name: list[i].name,
|
|
value: JSON.stringify(list[i].value)
|
|
};
|
|
if (list[i].start != null) {
|
|
attrs[i].start = list[i].start;
|
|
attrs[i].end = list[i].end;
|
|
}
|
|
}
|
|
} else if (!el.pre) {
|
|
// non root node in pre blocks with no attributes
|
|
el.plain = true;
|
|
}
|
|
}
|
|
|
|
function processElement (
|
|
element,
|
|
options
|
|
) {
|
|
processKey(element);
|
|
|
|
// determine whether this is a plain element after
|
|
// removing structural attributes
|
|
element.plain = (
|
|
!element.key &&
|
|
!element.scopedSlots &&
|
|
!element.attrsList.length
|
|
);
|
|
|
|
processRef(element);
|
|
processSlotContent(element);
|
|
processSlotOutlet(element);
|
|
processComponent(element);
|
|
for (var i = 0; i < transforms.length; i++) {
|
|
element = transforms[i](element, options) || element;
|
|
}
|
|
processAttrs(element);
|
|
return element
|
|
}
|
|
|
|
function processKey (el) {
|
|
var exp = getBindingAttr(el, 'key');
|
|
if (exp) {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
if (el.tag === 'template') {
|
|
warn$1(
|
|
"<template> cannot be keyed. Place the key on real elements instead.",
|
|
getRawBindingAttr(el, 'key')
|
|
);
|
|
}
|
|
if (el.for) {
|
|
var iterator = el.iterator2 || el.iterator1;
|
|
var parent = el.parent;
|
|
if (iterator && iterator === exp && parent && parent.tag === 'transition-group') {
|
|
warn$1(
|
|
"Do not use v-for index as key on <transition-group> children, " +
|
|
"this is the same as not using keys.",
|
|
getRawBindingAttr(el, 'key'),
|
|
true /* tip */
|
|
);
|
|
}
|
|
}
|
|
}
|
|
el.key = exp;
|
|
}
|
|
}
|
|
|
|
function processRef (el) {
|
|
var ref = getBindingAttr(el, 'ref');
|
|
if (ref) {
|
|
el.ref = ref;
|
|
el.refInFor = checkInFor(el);
|
|
}
|
|
}
|
|
|
|
function processFor (el) {
|
|
var exp;
|
|
if ((exp = getAndRemoveAttr(el, 'v-for'))) {
|
|
var res = parseFor(exp);
|
|
if (res) {
|
|
extend(el, res);
|
|
} else if (process.env.NODE_ENV !== 'production') {
|
|
warn$1(
|
|
("Invalid v-for expression: " + exp),
|
|
el.rawAttrsMap['v-for']
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
function parseFor (exp) {
|
|
var inMatch = exp.match(forAliasRE);
|
|
if (!inMatch) { return }
|
|
var res = {};
|
|
res.for = inMatch[2].trim();
|
|
var alias = inMatch[1].trim().replace(stripParensRE, '');
|
|
var iteratorMatch = alias.match(forIteratorRE);
|
|
if (iteratorMatch) {
|
|
res.alias = alias.replace(forIteratorRE, '').trim();
|
|
res.iterator1 = iteratorMatch[1].trim();
|
|
if (iteratorMatch[2]) {
|
|
res.iterator2 = iteratorMatch[2].trim();
|
|
}
|
|
} else {
|
|
res.alias = alias;
|
|
}
|
|
return res
|
|
}
|
|
|
|
function processIf (el) {
|
|
var exp = getAndRemoveAttr(el, 'v-if');
|
|
if (exp) {
|
|
el.if = exp;
|
|
addIfCondition(el, {
|
|
exp: exp,
|
|
block: el
|
|
});
|
|
} else {
|
|
if (getAndRemoveAttr(el, 'v-else') != null) {
|
|
el.else = true;
|
|
}
|
|
var elseif = getAndRemoveAttr(el, 'v-else-if');
|
|
if (elseif) {
|
|
el.elseif = elseif;
|
|
}
|
|
}
|
|
}
|
|
|
|
function processIfConditions (el, parent) {
|
|
var prev = findPrevElement(parent.children);
|
|
if (prev && prev.if) {
|
|
addIfCondition(prev, {
|
|
exp: el.elseif,
|
|
block: el
|
|
});
|
|
} else if (process.env.NODE_ENV !== 'production') {
|
|
warn$1(
|
|
"v-" + (el.elseif ? ('else-if="' + el.elseif + '"') : 'else') + " " +
|
|
"used on element <" + (el.tag) + "> without corresponding v-if.",
|
|
el.rawAttrsMap[el.elseif ? 'v-else-if' : 'v-else']
|
|
);
|
|
}
|
|
}
|
|
|
|
function findPrevElement (children) {
|
|
var i = children.length;
|
|
while (i--) {
|
|
if (children[i].type === 1) {
|
|
return children[i]
|
|
} else {
|
|
if (process.env.NODE_ENV !== 'production' && children[i].text !== ' ') {
|
|
warn$1(
|
|
"text \"" + (children[i].text.trim()) + "\" between v-if and v-else(-if) " +
|
|
"will be ignored.",
|
|
children[i]
|
|
);
|
|
}
|
|
children.pop();
|
|
}
|
|
}
|
|
}
|
|
|
|
function addIfCondition (el, condition) {
|
|
if (!el.ifConditions) {
|
|
el.ifConditions = [];
|
|
}
|
|
el.ifConditions.push(condition);
|
|
}
|
|
|
|
function processOnce (el) {
|
|
var once$$1 = getAndRemoveAttr(el, 'v-once');
|
|
if (once$$1 != null) {
|
|
el.once = true;
|
|
}
|
|
}
|
|
|
|
// handle content being passed to a component as slot,
|
|
// e.g. <template slot="xxx">, <div slot-scope="xxx">
|
|
function processSlotContent (el) {
|
|
var slotScope;
|
|
if (el.tag === 'template') {
|
|
slotScope = getAndRemoveAttr(el, 'scope');
|
|
/* istanbul ignore if */
|
|
if (process.env.NODE_ENV !== 'production' && slotScope) {
|
|
warn$1(
|
|
"the \"scope\" attribute for scoped slots have been deprecated and " +
|
|
"replaced by \"slot-scope\" since 2.5. The new \"slot-scope\" attribute " +
|
|
"can also be used on plain elements in addition to <template> to " +
|
|
"denote scoped slots.",
|
|
el.rawAttrsMap['scope'],
|
|
true
|
|
);
|
|
}
|
|
el.slotScope = slotScope || getAndRemoveAttr(el, 'slot-scope');
|
|
} else if ((slotScope = getAndRemoveAttr(el, 'slot-scope'))) {
|
|
/* istanbul ignore if */
|
|
if (process.env.NODE_ENV !== 'production' && el.attrsMap['v-for']) {
|
|
warn$1(
|
|
"Ambiguous combined usage of slot-scope and v-for on <" + (el.tag) + "> " +
|
|
"(v-for takes higher priority). Use a wrapper <template> for the " +
|
|
"scoped slot to make it clearer.",
|
|
el.rawAttrsMap['slot-scope'],
|
|
true
|
|
);
|
|
}
|
|
el.slotScope = slotScope;
|
|
}
|
|
|
|
// slot="xxx"
|
|
var slotTarget = getBindingAttr(el, 'slot');
|
|
if (slotTarget) {
|
|
el.slotTarget = slotTarget === '""' ? '"default"' : slotTarget;
|
|
el.slotTargetDynamic = !!(el.attrsMap[':slot'] || el.attrsMap['v-bind:slot']);
|
|
// preserve slot as an attribute for native shadow DOM compat
|
|
// only for non-scoped slots.
|
|
if (el.tag !== 'template' && !el.slotScope) {
|
|
addAttr(el, 'slot', slotTarget, getRawBindingAttr(el, 'slot'));
|
|
}
|
|
}
|
|
|
|
// 2.6 v-slot syntax
|
|
{
|
|
if (el.tag === 'template') {
|
|
// v-slot on <template>
|
|
var slotBinding = getAndRemoveAttrByRegex(el, slotRE);
|
|
if (slotBinding) {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
if (el.slotTarget || el.slotScope) {
|
|
warn$1(
|
|
"Unexpected mixed usage of different slot syntaxes.",
|
|
el
|
|
);
|
|
}
|
|
if (el.parent && !maybeComponent(el.parent)) {
|
|
warn$1(
|
|
"<template v-slot> can only appear at the root level inside " +
|
|
"the receiving component",
|
|
el
|
|
);
|
|
}
|
|
}
|
|
var ref = getSlotName(slotBinding);
|
|
var name = ref.name;
|
|
var dynamic = ref.dynamic;
|
|
el.slotTarget = name;
|
|
el.slotTargetDynamic = dynamic;
|
|
el.slotScope = slotBinding.value || emptySlotScopeToken; // force it into a scoped slot for perf
|
|
}
|
|
} else {
|
|
// v-slot on component, denotes default slot
|
|
var slotBinding$1 = getAndRemoveAttrByRegex(el, slotRE);
|
|
if (slotBinding$1) {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
if (!maybeComponent(el)) {
|
|
warn$1(
|
|
"v-slot can only be used on components or <template>.",
|
|
slotBinding$1
|
|
);
|
|
}
|
|
if (el.slotScope || el.slotTarget) {
|
|
warn$1(
|
|
"Unexpected mixed usage of different slot syntaxes.",
|
|
el
|
|
);
|
|
}
|
|
if (el.scopedSlots) {
|
|
warn$1(
|
|
"To avoid scope ambiguity, the default slot should also use " +
|
|
"<template> syntax when there are other named slots.",
|
|
slotBinding$1
|
|
);
|
|
}
|
|
}
|
|
// add the component's children to its default slot
|
|
var slots = el.scopedSlots || (el.scopedSlots = {});
|
|
var ref$1 = getSlotName(slotBinding$1);
|
|
var name$1 = ref$1.name;
|
|
var dynamic$1 = ref$1.dynamic;
|
|
var slotContainer = slots[name$1] = createASTElement('template', [], el);
|
|
slotContainer.slotTarget = name$1;
|
|
slotContainer.slotTargetDynamic = dynamic$1;
|
|
slotContainer.children = el.children.filter(function (c) {
|
|
if (!c.slotScope) {
|
|
c.parent = slotContainer;
|
|
return true
|
|
}
|
|
});
|
|
slotContainer.slotScope = slotBinding$1.value || emptySlotScopeToken;
|
|
// remove children as they are returned from scopedSlots now
|
|
el.children = [];
|
|
// mark el non-plain so data gets generated
|
|
el.plain = false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function getSlotName (binding) {
|
|
var name = binding.name.replace(slotRE, '');
|
|
if (!name) {
|
|
if (binding.name[0] !== '#') {
|
|
name = 'default';
|
|
} else if (process.env.NODE_ENV !== 'production') {
|
|
warn$1(
|
|
"v-slot shorthand syntax requires a slot name.",
|
|
binding
|
|
);
|
|
}
|
|
}
|
|
return dynamicArgRE.test(name)
|
|
// dynamic [name]
|
|
? { name: name.slice(1, -1), dynamic: true }
|
|
// static name
|
|
: { name: ("\"" + name + "\""), dynamic: false }
|
|
}
|
|
|
|
// handle <slot/> outlets
|
|
function processSlotOutlet (el) {
|
|
if (el.tag === 'slot') {
|
|
el.slotName = getBindingAttr(el, 'name');
|
|
if (process.env.NODE_ENV !== 'production' && el.key) {
|
|
warn$1(
|
|
"`key` does not work on <slot> because slots are abstract outlets " +
|
|
"and can possibly expand into multiple elements. " +
|
|
"Use the key on a wrapping element instead.",
|
|
getRawBindingAttr(el, 'key')
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
function processComponent (el) {
|
|
var binding;
|
|
if ((binding = getBindingAttr(el, 'is'))) {
|
|
el.component = binding;
|
|
}
|
|
if (getAndRemoveAttr(el, 'inline-template') != null) {
|
|
el.inlineTemplate = true;
|
|
}
|
|
}
|
|
|
|
function processAttrs (el) {
|
|
var list = el.attrsList;
|
|
var i, l, name, rawName, value, modifiers, syncGen, isDynamic;
|
|
for (i = 0, l = list.length; i < l; i++) {
|
|
name = rawName = list[i].name;
|
|
value = list[i].value;
|
|
if (dirRE.test(name)) {
|
|
// mark element as dynamic
|
|
el.hasBindings = true;
|
|
// modifiers
|
|
modifiers = parseModifiers(name.replace(dirRE, ''));
|
|
// support .foo shorthand syntax for the .prop modifier
|
|
if (modifiers) {
|
|
name = name.replace(modifierRE, '');
|
|
}
|
|
if (bindRE.test(name)) { // v-bind
|
|
name = name.replace(bindRE, '');
|
|
value = parseFilters(value);
|
|
isDynamic = dynamicArgRE.test(name);
|
|
if (isDynamic) {
|
|
name = name.slice(1, -1);
|
|
}
|
|
if (
|
|
process.env.NODE_ENV !== 'production' &&
|
|
value.trim().length === 0
|
|
) {
|
|
warn$1(
|
|
("The value for a v-bind expression cannot be empty. Found in \"v-bind:" + name + "\"")
|
|
);
|
|
}
|
|
if (modifiers) {
|
|
if (modifiers.prop && !isDynamic) {
|
|
name = camelize(name);
|
|
if (name === 'innerHtml') { name = 'innerHTML'; }
|
|
}
|
|
if (modifiers.camel && !isDynamic) {
|
|
name = camelize(name);
|
|
}
|
|
if (modifiers.sync) {
|
|
syncGen = genAssignmentCode(value, "$event");
|
|
if (!isDynamic) {
|
|
addHandler(
|
|
el,
|
|
("update:" + (camelize(name))),
|
|
syncGen,
|
|
null,
|
|
false,
|
|
warn$1,
|
|
list[i]
|
|
);
|
|
if (hyphenate(name) !== camelize(name)) {
|
|
addHandler(
|
|
el,
|
|
("update:" + (hyphenate(name))),
|
|
syncGen,
|
|
null,
|
|
false,
|
|
warn$1,
|
|
list[i]
|
|
);
|
|
}
|
|
} else {
|
|
// handler w/ dynamic event name
|
|
addHandler(
|
|
el,
|
|
("\"update:\"+(" + name + ")"),
|
|
syncGen,
|
|
null,
|
|
false,
|
|
warn$1,
|
|
list[i],
|
|
true // dynamic
|
|
);
|
|
}
|
|
}
|
|
}
|
|
if ((modifiers && modifiers.prop) || (
|
|
!el.component && platformMustUseProp(el.tag, el.attrsMap.type, name)
|
|
)) {
|
|
addProp(el, name, value, list[i], isDynamic);
|
|
} else {
|
|
addAttr(el, name, value, list[i], isDynamic);
|
|
}
|
|
} else if (onRE.test(name)) { // v-on
|
|
name = name.replace(onRE, '');
|
|
isDynamic = dynamicArgRE.test(name);
|
|
if (isDynamic) {
|
|
name = name.slice(1, -1);
|
|
}
|
|
addHandler(el, name, value, modifiers, false, warn$1, list[i], isDynamic);
|
|
} else { // normal directives
|
|
name = name.replace(dirRE, '');
|
|
// parse arg
|
|
var argMatch = name.match(argRE);
|
|
var arg = argMatch && argMatch[1];
|
|
isDynamic = false;
|
|
if (arg) {
|
|
name = name.slice(0, -(arg.length + 1));
|
|
if (dynamicArgRE.test(arg)) {
|
|
arg = arg.slice(1, -1);
|
|
isDynamic = true;
|
|
}
|
|
}
|
|
addDirective(el, name, rawName, value, arg, isDynamic, modifiers, list[i]);
|
|
if (process.env.NODE_ENV !== 'production' && name === 'model') {
|
|
checkForAliasModel(el, value);
|
|
}
|
|
}
|
|
} else {
|
|
// literal attribute
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
var res = parseText(value, delimiters);
|
|
if (res) {
|
|
warn$1(
|
|
name + "=\"" + value + "\": " +
|
|
'Interpolation inside attributes has been removed. ' +
|
|
'Use v-bind or the colon shorthand instead. For example, ' +
|
|
'instead of <div id="{{ val }}">, use <div :id="val">.',
|
|
list[i]
|
|
);
|
|
}
|
|
}
|
|
addAttr(el, name, JSON.stringify(value), list[i]);
|
|
// #6887 firefox doesn't update muted state if set via attribute
|
|
// even immediately after element creation
|
|
if (!el.component &&
|
|
name === 'muted' &&
|
|
platformMustUseProp(el.tag, el.attrsMap.type, name)) {
|
|
addProp(el, name, 'true', list[i]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function checkInFor (el) {
|
|
var parent = el;
|
|
while (parent) {
|
|
if (parent.for !== undefined) {
|
|
return true
|
|
}
|
|
parent = parent.parent;
|
|
}
|
|
return false
|
|
}
|
|
|
|
function parseModifiers (name) {
|
|
var match = name.match(modifierRE);
|
|
if (match) {
|
|
var ret = {};
|
|
match.forEach(function (m) { ret[m.slice(1)] = true; });
|
|
return ret
|
|
}
|
|
}
|
|
|
|
function makeAttrsMap (attrs) {
|
|
var map = {};
|
|
for (var i = 0, l = attrs.length; i < l; i++) {
|
|
if (
|
|
process.env.NODE_ENV !== 'production' &&
|
|
map[attrs[i].name] && !isIE && !isEdge
|
|
) {
|
|
warn$1('duplicate attribute: ' + attrs[i].name, attrs[i]);
|
|
}
|
|
map[attrs[i].name] = attrs[i].value;
|
|
}
|
|
return map
|
|
}
|
|
|
|
// for script (e.g. type="x/template") or style, do not decode content
|
|
function isTextTag (el) {
|
|
return el.tag === 'script' || el.tag === 'style'
|
|
}
|
|
|
|
function isForbiddenTag (el) {
|
|
return (
|
|
el.tag === 'style' ||
|
|
(el.tag === 'script' && (
|
|
!el.attrsMap.type ||
|
|
el.attrsMap.type === 'text/javascript'
|
|
))
|
|
)
|
|
}
|
|
|
|
var ieNSBug = /^xmlns:NS\d+/;
|
|
var ieNSPrefix = /^NS\d+:/;
|
|
|
|
/* istanbul ignore next */
|
|
function guardIESVGBug (attrs) {
|
|
var res = [];
|
|
for (var i = 0; i < attrs.length; i++) {
|
|
var attr = attrs[i];
|
|
if (!ieNSBug.test(attr.name)) {
|
|
attr.name = attr.name.replace(ieNSPrefix, '');
|
|
res.push(attr);
|
|
}
|
|
}
|
|
return res
|
|
}
|
|
|
|
function checkForAliasModel (el, value) {
|
|
var _el = el;
|
|
while (_el) {
|
|
if (_el.for && _el.alias === value) {
|
|
warn$1(
|
|
"<" + (el.tag) + " v-model=\"" + value + "\">: " +
|
|
"You are binding v-model directly to a v-for iteration alias. " +
|
|
"This will not be able to modify the v-for source array because " +
|
|
"writing to the alias is like modifying a function local variable. " +
|
|
"Consider using an array of objects and use v-model on an object property instead.",
|
|
el.rawAttrsMap['v-model']
|
|
);
|
|
}
|
|
_el = _el.parent;
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
function preTransformNode (el, options) {
|
|
if (el.tag === 'input') {
|
|
var map = el.attrsMap;
|
|
if (!map['v-model']) {
|
|
return
|
|
}
|
|
|
|
var typeBinding;
|
|
if (map[':type'] || map['v-bind:type']) {
|
|
typeBinding = getBindingAttr(el, 'type');
|
|
}
|
|
if (!map.type && !typeBinding && map['v-bind']) {
|
|
typeBinding = "(" + (map['v-bind']) + ").type";
|
|
}
|
|
|
|
if (typeBinding) {
|
|
var ifCondition = getAndRemoveAttr(el, 'v-if', true);
|
|
var ifConditionExtra = ifCondition ? ("&&(" + ifCondition + ")") : "";
|
|
var hasElse = getAndRemoveAttr(el, 'v-else', true) != null;
|
|
var elseIfCondition = getAndRemoveAttr(el, 'v-else-if', true);
|
|
// 1. checkbox
|
|
var branch0 = cloneASTElement(el);
|
|
// process for on the main node
|
|
processFor(branch0);
|
|
addRawAttr(branch0, 'type', 'checkbox');
|
|
processElement(branch0, options);
|
|
branch0.processed = true; // prevent it from double-processed
|
|
branch0.if = "(" + typeBinding + ")==='checkbox'" + ifConditionExtra;
|
|
addIfCondition(branch0, {
|
|
exp: branch0.if,
|
|
block: branch0
|
|
});
|
|
// 2. add radio else-if condition
|
|
var branch1 = cloneASTElement(el);
|
|
getAndRemoveAttr(branch1, 'v-for', true);
|
|
addRawAttr(branch1, 'type', 'radio');
|
|
processElement(branch1, options);
|
|
addIfCondition(branch0, {
|
|
exp: "(" + typeBinding + ")==='radio'" + ifConditionExtra,
|
|
block: branch1
|
|
});
|
|
// 3. other
|
|
var branch2 = cloneASTElement(el);
|
|
getAndRemoveAttr(branch2, 'v-for', true);
|
|
addRawAttr(branch2, ':type', typeBinding);
|
|
processElement(branch2, options);
|
|
addIfCondition(branch0, {
|
|
exp: ifCondition,
|
|
block: branch2
|
|
});
|
|
|
|
if (hasElse) {
|
|
branch0.else = true;
|
|
} else if (elseIfCondition) {
|
|
branch0.elseif = elseIfCondition;
|
|
}
|
|
|
|
return branch0
|
|
}
|
|
}
|
|
}
|
|
|
|
function cloneASTElement (el) {
|
|
return createASTElement(el.tag, el.attrsList.slice(), el.parent)
|
|
}
|
|
|
|
var model = {
|
|
preTransformNode: preTransformNode
|
|
};
|
|
|
|
var modules = [
|
|
klass,
|
|
style,
|
|
model
|
|
];
|
|
|
|
/* */
|
|
|
|
var warn$2;
|
|
|
|
// in some cases, the event used has to be determined at runtime
|
|
// so we used some reserved tokens during compile.
|
|
var RANGE_TOKEN = '__r';
|
|
|
|
function model$1 (
|
|
el,
|
|
dir,
|
|
_warn
|
|
) {
|
|
warn$2 = _warn;
|
|
var value = dir.value;
|
|
var modifiers = dir.modifiers;
|
|
var tag = el.tag;
|
|
var type = el.attrsMap.type;
|
|
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
// inputs with type="file" are read only and setting the input's
|
|
// value will throw an error.
|
|
if (tag === 'input' && type === 'file') {
|
|
warn$2(
|
|
"<" + (el.tag) + " v-model=\"" + value + "\" type=\"file\">:\n" +
|
|
"File inputs are read only. Use a v-on:change listener instead.",
|
|
el.rawAttrsMap['v-model']
|
|
);
|
|
}
|
|
}
|
|
|
|
if (el.component) {
|
|
genComponentModel(el, value, modifiers);
|
|
// component v-model doesn't need extra runtime
|
|
return false
|
|
} else if (tag === 'select') {
|
|
genSelect(el, value, modifiers);
|
|
} else if (tag === 'input' && type === 'checkbox') {
|
|
genCheckboxModel(el, value, modifiers);
|
|
} else if (tag === 'input' && type === 'radio') {
|
|
genRadioModel(el, value, modifiers);
|
|
} else if (tag === 'input' || tag === 'textarea') {
|
|
genDefaultModel(el, value, modifiers);
|
|
} else if (!config.isReservedTag(tag)) {
|
|
genComponentModel(el, value, modifiers);
|
|
// component v-model doesn't need extra runtime
|
|
return false
|
|
} else if (process.env.NODE_ENV !== 'production') {
|
|
warn$2(
|
|
"<" + (el.tag) + " v-model=\"" + value + "\">: " +
|
|
"v-model is not supported on this element type. " +
|
|
'If you are working with contenteditable, it\'s recommended to ' +
|
|
'wrap a library dedicated for that purpose inside a custom component.',
|
|
el.rawAttrsMap['v-model']
|
|
);
|
|
}
|
|
|
|
// ensure runtime directive metadata
|
|
return true
|
|
}
|
|
|
|
function genCheckboxModel (
|
|
el,
|
|
value,
|
|
modifiers
|
|
) {
|
|
var number = modifiers && modifiers.number;
|
|
var valueBinding = getBindingAttr(el, 'value') || 'null';
|
|
var trueValueBinding = getBindingAttr(el, 'true-value') || 'true';
|
|
var falseValueBinding = getBindingAttr(el, 'false-value') || 'false';
|
|
addProp(el, 'checked',
|
|
"Array.isArray(" + value + ")" +
|
|
"?_i(" + value + "," + valueBinding + ")>-1" + (
|
|
trueValueBinding === 'true'
|
|
? (":(" + value + ")")
|
|
: (":_q(" + value + "," + trueValueBinding + ")")
|
|
)
|
|
);
|
|
addHandler(el, 'change',
|
|
"var $$a=" + value + "," +
|
|
'$$el=$event.target,' +
|
|
"$$c=$$el.checked?(" + trueValueBinding + "):(" + falseValueBinding + ");" +
|
|
'if(Array.isArray($$a)){' +
|
|
"var $$v=" + (number ? '_n(' + valueBinding + ')' : valueBinding) + "," +
|
|
'$$i=_i($$a,$$v);' +
|
|
"if($$el.checked){$$i<0&&(" + (genAssignmentCode(value, '$$a.concat([$$v])')) + ")}" +
|
|
"else{$$i>-1&&(" + (genAssignmentCode(value, '$$a.slice(0,$$i).concat($$a.slice($$i+1))')) + ")}" +
|
|
"}else{" + (genAssignmentCode(value, '$$c')) + "}",
|
|
null, true
|
|
);
|
|
}
|
|
|
|
function genRadioModel (
|
|
el,
|
|
value,
|
|
modifiers
|
|
) {
|
|
var number = modifiers && modifiers.number;
|
|
var valueBinding = getBindingAttr(el, 'value') || 'null';
|
|
valueBinding = number ? ("_n(" + valueBinding + ")") : valueBinding;
|
|
addProp(el, 'checked', ("_q(" + value + "," + valueBinding + ")"));
|
|
addHandler(el, 'change', genAssignmentCode(value, valueBinding), null, true);
|
|
}
|
|
|
|
function genSelect (
|
|
el,
|
|
value,
|
|
modifiers
|
|
) {
|
|
var number = modifiers && modifiers.number;
|
|
var selectedVal = "Array.prototype.filter" +
|
|
".call($event.target.options,function(o){return o.selected})" +
|
|
".map(function(o){var val = \"_value\" in o ? o._value : o.value;" +
|
|
"return " + (number ? '_n(val)' : 'val') + "})";
|
|
|
|
var assignment = '$event.target.multiple ? $$selectedVal : $$selectedVal[0]';
|
|
var code = "var $$selectedVal = " + selectedVal + ";";
|
|
code = code + " " + (genAssignmentCode(value, assignment));
|
|
addHandler(el, 'change', code, null, true);
|
|
}
|
|
|
|
function genDefaultModel (
|
|
el,
|
|
value,
|
|
modifiers
|
|
) {
|
|
var type = el.attrsMap.type;
|
|
|
|
// warn if v-bind:value conflicts with v-model
|
|
// except for inputs with v-bind:type
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
var value$1 = el.attrsMap['v-bind:value'] || el.attrsMap[':value'];
|
|
var typeBinding = el.attrsMap['v-bind:type'] || el.attrsMap[':type'];
|
|
if (value$1 && !typeBinding) {
|
|
var binding = el.attrsMap['v-bind:value'] ? 'v-bind:value' : ':value';
|
|
warn$2(
|
|
binding + "=\"" + value$1 + "\" conflicts with v-model on the same element " +
|
|
'because the latter already expands to a value binding internally',
|
|
el.rawAttrsMap[binding]
|
|
);
|
|
}
|
|
}
|
|
|
|
var ref = modifiers || {};
|
|
var lazy = ref.lazy;
|
|
var number = ref.number;
|
|
var trim = ref.trim;
|
|
var needCompositionGuard = !lazy && type !== 'range';
|
|
var event = lazy
|
|
? 'change'
|
|
: type === 'range'
|
|
? RANGE_TOKEN
|
|
: 'input';
|
|
|
|
var valueExpression = '$event.target.value';
|
|
if (trim) {
|
|
valueExpression = "$event.target.value.trim()";
|
|
}
|
|
if (number) {
|
|
valueExpression = "_n(" + valueExpression + ")";
|
|
}
|
|
|
|
var code = genAssignmentCode(value, valueExpression);
|
|
if (needCompositionGuard) {
|
|
code = "if($event.target.composing)return;" + code;
|
|
}
|
|
|
|
addProp(el, 'value', ("(" + value + ")"));
|
|
addHandler(el, event, code, null, true);
|
|
if (trim || number) {
|
|
addHandler(el, 'blur', '$forceUpdate()');
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
function text (el, dir) {
|
|
if (dir.value) {
|
|
addProp(el, 'textContent', ("_s(" + (dir.value) + ")"), dir);
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
function html (el, dir) {
|
|
if (dir.value) {
|
|
addProp(el, 'innerHTML', ("_s(" + (dir.value) + ")"), dir);
|
|
}
|
|
}
|
|
|
|
var directives = {
|
|
model: model$1,
|
|
text: text,
|
|
html: html
|
|
};
|
|
|
|
/* */
|
|
|
|
var baseOptions = {
|
|
expectHTML: true,
|
|
modules: modules,
|
|
directives: directives,
|
|
isPreTag: isPreTag,
|
|
isUnaryTag: isUnaryTag,
|
|
mustUseProp: mustUseProp,
|
|
canBeLeftOpenTag: canBeLeftOpenTag,
|
|
isReservedTag: isReservedTag,
|
|
getTagNamespace: getTagNamespace,
|
|
staticKeys: genStaticKeys(modules)
|
|
};
|
|
|
|
/* */
|
|
|
|
var isStaticKey;
|
|
var isPlatformReservedTag;
|
|
|
|
var genStaticKeysCached = cached(genStaticKeys$1);
|
|
|
|
/**
|
|
* Goal of the optimizer: walk the generated template AST tree
|
|
* and detect sub-trees that are purely static, i.e. parts of
|
|
* the DOM that never needs to change.
|
|
*
|
|
* Once we detect these sub-trees, we can:
|
|
*
|
|
* 1. Hoist them into constants, so that we no longer need to
|
|
* create fresh nodes for them on each re-render;
|
|
* 2. Completely skip them in the patching process.
|
|
*/
|
|
function optimize (root, options) {
|
|
if (!root) { return }
|
|
isStaticKey = genStaticKeysCached(options.staticKeys || '');
|
|
isPlatformReservedTag = options.isReservedTag || no;
|
|
// first pass: mark all non-static nodes.
|
|
markStatic(root);
|
|
// second pass: mark static roots.
|
|
markStaticRoots(root, false);
|
|
}
|
|
|
|
function genStaticKeys$1 (keys) {
|
|
return makeMap(
|
|
'type,tag,attrsList,attrsMap,plain,parent,children,attrs,start,end,rawAttrsMap' +
|
|
(keys ? ',' + keys : '')
|
|
)
|
|
}
|
|
|
|
function markStatic (node) {
|
|
node.static = isStatic(node);
|
|
if (node.type === 1) {
|
|
// do not make component slot content static. this avoids
|
|
// 1. components not able to mutate slot nodes
|
|
// 2. static slot content fails for hot-reloading
|
|
if (
|
|
!isPlatformReservedTag(node.tag) &&
|
|
node.tag !== 'slot' &&
|
|
node.attrsMap['inline-template'] == null
|
|
) {
|
|
return
|
|
}
|
|
for (var i = 0, l = node.children.length; i < l; i++) {
|
|
var child = node.children[i];
|
|
markStatic(child);
|
|
if (!child.static) {
|
|
node.static = false;
|
|
}
|
|
}
|
|
if (node.ifConditions) {
|
|
for (var i$1 = 1, l$1 = node.ifConditions.length; i$1 < l$1; i$1++) {
|
|
var block = node.ifConditions[i$1].block;
|
|
markStatic(block);
|
|
if (!block.static) {
|
|
node.static = false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function markStaticRoots (node, isInFor) {
|
|
if (node.type === 1) {
|
|
if (node.static || node.once) {
|
|
node.staticInFor = isInFor;
|
|
}
|
|
// For a node to qualify as a static root, it should have children that
|
|
// are not just static text. Otherwise the cost of hoisting out will
|
|
// outweigh the benefits and it's better off to just always render it fresh.
|
|
if (node.static && node.children.length && !(
|
|
node.children.length === 1 &&
|
|
node.children[0].type === 3
|
|
)) {
|
|
node.staticRoot = true;
|
|
return
|
|
} else {
|
|
node.staticRoot = false;
|
|
}
|
|
if (node.children) {
|
|
for (var i = 0, l = node.children.length; i < l; i++) {
|
|
markStaticRoots(node.children[i], isInFor || !!node.for);
|
|
}
|
|
}
|
|
if (node.ifConditions) {
|
|
for (var i$1 = 1, l$1 = node.ifConditions.length; i$1 < l$1; i$1++) {
|
|
markStaticRoots(node.ifConditions[i$1].block, isInFor);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function isStatic (node) {
|
|
if (node.type === 2) { // expression
|
|
return false
|
|
}
|
|
if (node.type === 3) { // text
|
|
return true
|
|
}
|
|
return !!(node.pre || (
|
|
!node.hasBindings && // no dynamic bindings
|
|
!node.if && !node.for && // not v-if or v-for or v-else
|
|
!isBuiltInTag(node.tag) && // not a built-in
|
|
isPlatformReservedTag(node.tag) && // not a component
|
|
!isDirectChildOfTemplateFor(node) &&
|
|
Object.keys(node).every(isStaticKey)
|
|
))
|
|
}
|
|
|
|
function isDirectChildOfTemplateFor (node) {
|
|
while (node.parent) {
|
|
node = node.parent;
|
|
if (node.tag !== 'template') {
|
|
return false
|
|
}
|
|
if (node.for) {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
/* */
|
|
|
|
var fnExpRE = /^([\w$_]+|\([^)]*?\))\s*=>|^function(?:\s+[\w$]+)?\s*\(/;
|
|
var fnInvokeRE = /\([^)]*?\);*$/;
|
|
var simplePathRE = /^[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['[^']*?']|\["[^"]*?"]|\[\d+]|\[[A-Za-z_$][\w$]*])*$/;
|
|
|
|
// KeyboardEvent.keyCode aliases
|
|
var keyCodes = {
|
|
esc: 27,
|
|
tab: 9,
|
|
enter: 13,
|
|
space: 32,
|
|
up: 38,
|
|
left: 37,
|
|
right: 39,
|
|
down: 40,
|
|
'delete': [8, 46]
|
|
};
|
|
|
|
// KeyboardEvent.key aliases
|
|
var keyNames = {
|
|
// #7880: IE11 and Edge use `Esc` for Escape key name.
|
|
esc: ['Esc', 'Escape'],
|
|
tab: 'Tab',
|
|
enter: 'Enter',
|
|
// #9112: IE11 uses `Spacebar` for Space key name.
|
|
space: [' ', 'Spacebar'],
|
|
// #7806: IE11 uses key names without `Arrow` prefix for arrow keys.
|
|
up: ['Up', 'ArrowUp'],
|
|
left: ['Left', 'ArrowLeft'],
|
|
right: ['Right', 'ArrowRight'],
|
|
down: ['Down', 'ArrowDown'],
|
|
// #9112: IE11 uses `Del` for Delete key name.
|
|
'delete': ['Backspace', 'Delete', 'Del']
|
|
};
|
|
|
|
// #4868: modifiers that prevent the execution of the listener
|
|
// need to explicitly return null so that we can determine whether to remove
|
|
// the listener for .once
|
|
var genGuard = function (condition) { return ("if(" + condition + ")return null;"); };
|
|
|
|
var modifierCode = {
|
|
stop: '$event.stopPropagation();',
|
|
prevent: '$event.preventDefault();',
|
|
self: genGuard("$event.target !== $event.currentTarget"),
|
|
ctrl: genGuard("!$event.ctrlKey"),
|
|
shift: genGuard("!$event.shiftKey"),
|
|
alt: genGuard("!$event.altKey"),
|
|
meta: genGuard("!$event.metaKey"),
|
|
left: genGuard("'button' in $event && $event.button !== 0"),
|
|
middle: genGuard("'button' in $event && $event.button !== 1"),
|
|
right: genGuard("'button' in $event && $event.button !== 2")
|
|
};
|
|
|
|
function genHandlers (
|
|
events,
|
|
isNative
|
|
) {
|
|
var prefix = isNative ? 'nativeOn:' : 'on:';
|
|
var staticHandlers = "";
|
|
var dynamicHandlers = "";
|
|
for (var name in events) {
|
|
var handlerCode = genHandler(events[name]);
|
|
if (events[name] && events[name].dynamic) {
|
|
dynamicHandlers += name + "," + handlerCode + ",";
|
|
} else {
|
|
staticHandlers += "\"" + name + "\":" + handlerCode + ",";
|
|
}
|
|
}
|
|
staticHandlers = "{" + (staticHandlers.slice(0, -1)) + "}";
|
|
if (dynamicHandlers) {
|
|
return prefix + "_d(" + staticHandlers + ",[" + (dynamicHandlers.slice(0, -1)) + "])"
|
|
} else {
|
|
return prefix + staticHandlers
|
|
}
|
|
}
|
|
|
|
function genHandler (handler) {
|
|
if (!handler) {
|
|
return 'function(){}'
|
|
}
|
|
|
|
if (Array.isArray(handler)) {
|
|
return ("[" + (handler.map(function (handler) { return genHandler(handler); }).join(',')) + "]")
|
|
}
|
|
|
|
var isMethodPath = simplePathRE.test(handler.value);
|
|
var isFunctionExpression = fnExpRE.test(handler.value);
|
|
var isFunctionInvocation = simplePathRE.test(handler.value.replace(fnInvokeRE, ''));
|
|
|
|
if (!handler.modifiers) {
|
|
if (isMethodPath || isFunctionExpression) {
|
|
return handler.value
|
|
}
|
|
return ("function($event){" + (isFunctionInvocation ? ("return " + (handler.value)) : handler.value) + "}") // inline statement
|
|
} else {
|
|
var code = '';
|
|
var genModifierCode = '';
|
|
var keys = [];
|
|
for (var key in handler.modifiers) {
|
|
if (modifierCode[key]) {
|
|
genModifierCode += modifierCode[key];
|
|
// left/right
|
|
if (keyCodes[key]) {
|
|
keys.push(key);
|
|
}
|
|
} else if (key === 'exact') {
|
|
var modifiers = (handler.modifiers);
|
|
genModifierCode += genGuard(
|
|
['ctrl', 'shift', 'alt', 'meta']
|
|
.filter(function (keyModifier) { return !modifiers[keyModifier]; })
|
|
.map(function (keyModifier) { return ("$event." + keyModifier + "Key"); })
|
|
.join('||')
|
|
);
|
|
} else {
|
|
keys.push(key);
|
|
}
|
|
}
|
|
if (keys.length) {
|
|
code += genKeyFilter(keys);
|
|
}
|
|
// Make sure modifiers like prevent and stop get executed after key filtering
|
|
if (genModifierCode) {
|
|
code += genModifierCode;
|
|
}
|
|
var handlerCode = isMethodPath
|
|
? ("return " + (handler.value) + ".apply(null, arguments)")
|
|
: isFunctionExpression
|
|
? ("return (" + (handler.value) + ").apply(null, arguments)")
|
|
: isFunctionInvocation
|
|
? ("return " + (handler.value))
|
|
: handler.value;
|
|
return ("function($event){" + code + handlerCode + "}")
|
|
}
|
|
}
|
|
|
|
function genKeyFilter (keys) {
|
|
return (
|
|
// make sure the key filters only apply to KeyboardEvents
|
|
// #9441: can't use 'keyCode' in $event because Chrome autofill fires fake
|
|
// key events that do not have keyCode property...
|
|
"if(!$event.type.indexOf('key')&&" +
|
|
(keys.map(genFilterCode).join('&&')) + ")return null;"
|
|
)
|
|
}
|
|
|
|
function genFilterCode (key) {
|
|
var keyVal = parseInt(key, 10);
|
|
if (keyVal) {
|
|
return ("$event.keyCode!==" + keyVal)
|
|
}
|
|
var keyCode = keyCodes[key];
|
|
var keyName = keyNames[key];
|
|
return (
|
|
"_k($event.keyCode," +
|
|
(JSON.stringify(key)) + "," +
|
|
(JSON.stringify(keyCode)) + "," +
|
|
"$event.key," +
|
|
"" + (JSON.stringify(keyName)) +
|
|
")"
|
|
)
|
|
}
|
|
|
|
/* */
|
|
|
|
function on (el, dir) {
|
|
if (process.env.NODE_ENV !== 'production' && dir.modifiers) {
|
|
warn("v-on without argument does not support modifiers.");
|
|
}
|
|
el.wrapListeners = function (code) { return ("_g(" + code + "," + (dir.value) + ")"); };
|
|
}
|
|
|
|
/* */
|
|
|
|
function bind$1 (el, dir) {
|
|
el.wrapData = function (code) {
|
|
return ("_b(" + code + ",'" + (el.tag) + "'," + (dir.value) + "," + (dir.modifiers && dir.modifiers.prop ? 'true' : 'false') + (dir.modifiers && dir.modifiers.sync ? ',true' : '') + ")")
|
|
};
|
|
}
|
|
|
|
/* */
|
|
|
|
var baseDirectives = {
|
|
on: on,
|
|
bind: bind$1,
|
|
cloak: noop
|
|
};
|
|
|
|
/* */
|
|
|
|
|
|
|
|
|
|
|
|
var CodegenState = function CodegenState (options) {
|
|
this.options = options;
|
|
this.warn = options.warn || baseWarn;
|
|
this.transforms = pluckModuleFunction(options.modules, 'transformCode');
|
|
this.dataGenFns = pluckModuleFunction(options.modules, 'genData');
|
|
this.directives = extend(extend({}, baseDirectives), options.directives);
|
|
var isReservedTag = options.isReservedTag || no;
|
|
this.maybeComponent = function (el) { return !!el.component || !isReservedTag(el.tag); };
|
|
this.onceId = 0;
|
|
this.staticRenderFns = [];
|
|
this.pre = false;
|
|
};
|
|
|
|
|
|
|
|
function generate (
|
|
ast,
|
|
options
|
|
) {
|
|
var state = new CodegenState(options);
|
|
// fix #11483, Root level <script> tags should not be rendered.
|
|
var code = ast ? (ast.tag === 'script' ? 'null' : genElement(ast, state)) : '_c("div")';
|
|
return {
|
|
render: ("with(this){return " + code + "}"),
|
|
staticRenderFns: state.staticRenderFns
|
|
}
|
|
}
|
|
|
|
function genElement (el, state) {
|
|
if (el.parent) {
|
|
el.pre = el.pre || el.parent.pre;
|
|
}
|
|
|
|
if (el.staticRoot && !el.staticProcessed) {
|
|
return genStatic(el, state)
|
|
} else if (el.once && !el.onceProcessed) {
|
|
return genOnce(el, state)
|
|
} else if (el.for && !el.forProcessed) {
|
|
return genFor(el, state)
|
|
} else if (el.if && !el.ifProcessed) {
|
|
return genIf(el, state)
|
|
} else if (el.tag === 'template' && !el.slotTarget && !state.pre) {
|
|
return genChildren(el, state) || 'void 0'
|
|
} else if (el.tag === 'slot') {
|
|
return genSlot(el, state)
|
|
} else {
|
|
// component or element
|
|
var code;
|
|
if (el.component) {
|
|
code = genComponent(el.component, el, state);
|
|
} else {
|
|
var data;
|
|
if (!el.plain || (el.pre && state.maybeComponent(el))) {
|
|
data = genData$2(el, state);
|
|
}
|
|
|
|
var children = el.inlineTemplate ? null : genChildren(el, state, true);
|
|
code = "_c('" + (el.tag) + "'" + (data ? ("," + data) : '') + (children ? ("," + children) : '') + ")";
|
|
}
|
|
// module transforms
|
|
for (var i = 0; i < state.transforms.length; i++) {
|
|
code = state.transforms[i](el, code);
|
|
}
|
|
return code
|
|
}
|
|
}
|
|
|
|
// hoist static sub-trees out
|
|
function genStatic (el, state) {
|
|
el.staticProcessed = true;
|
|
// Some elements (templates) need to behave differently inside of a v-pre
|
|
// node. All pre nodes are static roots, so we can use this as a location to
|
|
// wrap a state change and reset it upon exiting the pre node.
|
|
var originalPreState = state.pre;
|
|
if (el.pre) {
|
|
state.pre = el.pre;
|
|
}
|
|
state.staticRenderFns.push(("with(this){return " + (genElement(el, state)) + "}"));
|
|
state.pre = originalPreState;
|
|
return ("_m(" + (state.staticRenderFns.length - 1) + (el.staticInFor ? ',true' : '') + ")")
|
|
}
|
|
|
|
// v-once
|
|
function genOnce (el, state) {
|
|
el.onceProcessed = true;
|
|
if (el.if && !el.ifProcessed) {
|
|
return genIf(el, state)
|
|
} else if (el.staticInFor) {
|
|
var key = '';
|
|
var parent = el.parent;
|
|
while (parent) {
|
|
if (parent.for) {
|
|
key = parent.key;
|
|
break
|
|
}
|
|
parent = parent.parent;
|
|
}
|
|
if (!key) {
|
|
process.env.NODE_ENV !== 'production' && state.warn(
|
|
"v-once can only be used inside v-for that is keyed. ",
|
|
el.rawAttrsMap['v-once']
|
|
);
|
|
return genElement(el, state)
|
|
}
|
|
return ("_o(" + (genElement(el, state)) + "," + (state.onceId++) + "," + key + ")")
|
|
} else {
|
|
return genStatic(el, state)
|
|
}
|
|
}
|
|
|
|
function genIf (
|
|
el,
|
|
state,
|
|
altGen,
|
|
altEmpty
|
|
) {
|
|
el.ifProcessed = true; // avoid recursion
|
|
return genIfConditions(el.ifConditions.slice(), state, altGen, altEmpty)
|
|
}
|
|
|
|
function genIfConditions (
|
|
conditions,
|
|
state,
|
|
altGen,
|
|
altEmpty
|
|
) {
|
|
if (!conditions.length) {
|
|
return altEmpty || '_e()'
|
|
}
|
|
|
|
var condition = conditions.shift();
|
|
if (condition.exp) {
|
|
return ("(" + (condition.exp) + ")?" + (genTernaryExp(condition.block)) + ":" + (genIfConditions(conditions, state, altGen, altEmpty)))
|
|
} else {
|
|
return ("" + (genTernaryExp(condition.block)))
|
|
}
|
|
|
|
// v-if with v-once should generate code like (a)?_m(0):_m(1)
|
|
function genTernaryExp (el) {
|
|
return altGen
|
|
? altGen(el, state)
|
|
: el.once
|
|
? genOnce(el, state)
|
|
: genElement(el, state)
|
|
}
|
|
}
|
|
|
|
function genFor (
|
|
el,
|
|
state,
|
|
altGen,
|
|
altHelper
|
|
) {
|
|
var exp = el.for;
|
|
var alias = el.alias;
|
|
var iterator1 = el.iterator1 ? ("," + (el.iterator1)) : '';
|
|
var iterator2 = el.iterator2 ? ("," + (el.iterator2)) : '';
|
|
|
|
if (process.env.NODE_ENV !== 'production' &&
|
|
state.maybeComponent(el) &&
|
|
el.tag !== 'slot' &&
|
|
el.tag !== 'template' &&
|
|
!el.key
|
|
) {
|
|
state.warn(
|
|
"<" + (el.tag) + " v-for=\"" + alias + " in " + exp + "\">: component lists rendered with " +
|
|
"v-for should have explicit keys. " +
|
|
"See https://vuejs.org/guide/list.html#key for more info.",
|
|
el.rawAttrsMap['v-for'],
|
|
true /* tip */
|
|
);
|
|
}
|
|
|
|
el.forProcessed = true; // avoid recursion
|
|
return (altHelper || '_l') + "((" + exp + ")," +
|
|
"function(" + alias + iterator1 + iterator2 + "){" +
|
|
"return " + ((altGen || genElement)(el, state)) +
|
|
'})'
|
|
}
|
|
|
|
function genData$2 (el, state) {
|
|
var data = '{';
|
|
|
|
// directives first.
|
|
// directives may mutate the el's other properties before they are generated.
|
|
var dirs = genDirectives(el, state);
|
|
if (dirs) { data += dirs + ','; }
|
|
|
|
// key
|
|
if (el.key) {
|
|
data += "key:" + (el.key) + ",";
|
|
}
|
|
// ref
|
|
if (el.ref) {
|
|
data += "ref:" + (el.ref) + ",";
|
|
}
|
|
if (el.refInFor) {
|
|
data += "refInFor:true,";
|
|
}
|
|
// pre
|
|
if (el.pre) {
|
|
data += "pre:true,";
|
|
}
|
|
// record original tag name for components using "is" attribute
|
|
if (el.component) {
|
|
data += "tag:\"" + (el.tag) + "\",";
|
|
}
|
|
// module data generation functions
|
|
for (var i = 0; i < state.dataGenFns.length; i++) {
|
|
data += state.dataGenFns[i](el);
|
|
}
|
|
// attributes
|
|
if (el.attrs) {
|
|
data += "attrs:" + (genProps(el.attrs)) + ",";
|
|
}
|
|
// DOM props
|
|
if (el.props) {
|
|
data += "domProps:" + (genProps(el.props)) + ",";
|
|
}
|
|
// event handlers
|
|
if (el.events) {
|
|
data += (genHandlers(el.events, false)) + ",";
|
|
}
|
|
if (el.nativeEvents) {
|
|
data += (genHandlers(el.nativeEvents, true)) + ",";
|
|
}
|
|
// slot target
|
|
// only for non-scoped slots
|
|
if (el.slotTarget && !el.slotScope) {
|
|
data += "slot:" + (el.slotTarget) + ",";
|
|
}
|
|
// scoped slots
|
|
if (el.scopedSlots) {
|
|
data += (genScopedSlots(el, el.scopedSlots, state)) + ",";
|
|
}
|
|
// component v-model
|
|
if (el.model) {
|
|
data += "model:{value:" + (el.model.value) + ",callback:" + (el.model.callback) + ",expression:" + (el.model.expression) + "},";
|
|
}
|
|
// inline-template
|
|
if (el.inlineTemplate) {
|
|
var inlineTemplate = genInlineTemplate(el, state);
|
|
if (inlineTemplate) {
|
|
data += inlineTemplate + ",";
|
|
}
|
|
}
|
|
data = data.replace(/,$/, '') + '}';
|
|
// v-bind dynamic argument wrap
|
|
// v-bind with dynamic arguments must be applied using the same v-bind object
|
|
// merge helper so that class/style/mustUseProp attrs are handled correctly.
|
|
if (el.dynamicAttrs) {
|
|
data = "_b(" + data + ",\"" + (el.tag) + "\"," + (genProps(el.dynamicAttrs)) + ")";
|
|
}
|
|
// v-bind data wrap
|
|
if (el.wrapData) {
|
|
data = el.wrapData(data);
|
|
}
|
|
// v-on data wrap
|
|
if (el.wrapListeners) {
|
|
data = el.wrapListeners(data);
|
|
}
|
|
return data
|
|
}
|
|
|
|
function genDirectives (el, state) {
|
|
var dirs = el.directives;
|
|
if (!dirs) { return }
|
|
var res = 'directives:[';
|
|
var hasRuntime = false;
|
|
var i, l, dir, needRuntime;
|
|
for (i = 0, l = dirs.length; i < l; i++) {
|
|
dir = dirs[i];
|
|
needRuntime = true;
|
|
var gen = state.directives[dir.name];
|
|
if (gen) {
|
|
// compile-time directive that manipulates AST.
|
|
// returns true if it also needs a runtime counterpart.
|
|
needRuntime = !!gen(el, dir, state.warn);
|
|
}
|
|
if (needRuntime) {
|
|
hasRuntime = true;
|
|
res += "{name:\"" + (dir.name) + "\",rawName:\"" + (dir.rawName) + "\"" + (dir.value ? (",value:(" + (dir.value) + "),expression:" + (JSON.stringify(dir.value))) : '') + (dir.arg ? (",arg:" + (dir.isDynamicArg ? dir.arg : ("\"" + (dir.arg) + "\""))) : '') + (dir.modifiers ? (",modifiers:" + (JSON.stringify(dir.modifiers))) : '') + "},";
|
|
}
|
|
}
|
|
if (hasRuntime) {
|
|
return res.slice(0, -1) + ']'
|
|
}
|
|
}
|
|
|
|
function genInlineTemplate (el, state) {
|
|
var ast = el.children[0];
|
|
if (process.env.NODE_ENV !== 'production' && (
|
|
el.children.length !== 1 || ast.type !== 1
|
|
)) {
|
|
state.warn(
|
|
'Inline-template components must have exactly one child element.',
|
|
{ start: el.start }
|
|
);
|
|
}
|
|
if (ast && ast.type === 1) {
|
|
var inlineRenderFns = generate(ast, state.options);
|
|
return ("inlineTemplate:{render:function(){" + (inlineRenderFns.render) + "},staticRenderFns:[" + (inlineRenderFns.staticRenderFns.map(function (code) { return ("function(){" + code + "}"); }).join(',')) + "]}")
|
|
}
|
|
}
|
|
|
|
function genScopedSlots (
|
|
el,
|
|
slots,
|
|
state
|
|
) {
|
|
// by default scoped slots are considered "stable", this allows child
|
|
// components with only scoped slots to skip forced updates from parent.
|
|
// but in some cases we have to bail-out of this optimization
|
|
// for example if the slot contains dynamic names, has v-if or v-for on them...
|
|
var needsForceUpdate = el.for || Object.keys(slots).some(function (key) {
|
|
var slot = slots[key];
|
|
return (
|
|
slot.slotTargetDynamic ||
|
|
slot.if ||
|
|
slot.for ||
|
|
containsSlotChild(slot) // is passing down slot from parent which may be dynamic
|
|
)
|
|
});
|
|
|
|
// #9534: if a component with scoped slots is inside a conditional branch,
|
|
// it's possible for the same component to be reused but with different
|
|
// compiled slot content. To avoid that, we generate a unique key based on
|
|
// the generated code of all the slot contents.
|
|
var needsKey = !!el.if;
|
|
|
|
// OR when it is inside another scoped slot or v-for (the reactivity may be
|
|
// disconnected due to the intermediate scope variable)
|
|
// #9438, #9506
|
|
// TODO: this can be further optimized by properly analyzing in-scope bindings
|
|
// and skip force updating ones that do not actually use scope variables.
|
|
if (!needsForceUpdate) {
|
|
var parent = el.parent;
|
|
while (parent) {
|
|
if (
|
|
(parent.slotScope && parent.slotScope !== emptySlotScopeToken) ||
|
|
parent.for
|
|
) {
|
|
needsForceUpdate = true;
|
|
break
|
|
}
|
|
if (parent.if) {
|
|
needsKey = true;
|
|
}
|
|
parent = parent.parent;
|
|
}
|
|
}
|
|
|
|
var generatedSlots = Object.keys(slots)
|
|
.map(function (key) { return genScopedSlot(slots[key], state); })
|
|
.join(',');
|
|
|
|
return ("scopedSlots:_u([" + generatedSlots + "]" + (needsForceUpdate ? ",null,true" : "") + (!needsForceUpdate && needsKey ? (",null,false," + (hash(generatedSlots))) : "") + ")")
|
|
}
|
|
|
|
function hash(str) {
|
|
var hash = 5381;
|
|
var i = str.length;
|
|
while(i) {
|
|
hash = (hash * 33) ^ str.charCodeAt(--i);
|
|
}
|
|
return hash >>> 0
|
|
}
|
|
|
|
function containsSlotChild (el) {
|
|
if (el.type === 1) {
|
|
if (el.tag === 'slot') {
|
|
return true
|
|
}
|
|
return el.children.some(containsSlotChild)
|
|
}
|
|
return false
|
|
}
|
|
|
|
function genScopedSlot (
|
|
el,
|
|
state
|
|
) {
|
|
var isLegacySyntax = el.attrsMap['slot-scope'];
|
|
if (el.if && !el.ifProcessed && !isLegacySyntax) {
|
|
return genIf(el, state, genScopedSlot, "null")
|
|
}
|
|
if (el.for && !el.forProcessed) {
|
|
return genFor(el, state, genScopedSlot)
|
|
}
|
|
var slotScope = el.slotScope === emptySlotScopeToken
|
|
? ""
|
|
: String(el.slotScope);
|
|
var fn = "function(" + slotScope + "){" +
|
|
"return " + (el.tag === 'template'
|
|
? el.if && isLegacySyntax
|
|
? ("(" + (el.if) + ")?" + (genChildren(el, state) || 'undefined') + ":undefined")
|
|
: genChildren(el, state) || 'undefined'
|
|
: genElement(el, state)) + "}";
|
|
// reverse proxy v-slot without scope on this.$slots
|
|
var reverseProxy = slotScope ? "" : ",proxy:true";
|
|
return ("{key:" + (el.slotTarget || "\"default\"") + ",fn:" + fn + reverseProxy + "}")
|
|
}
|
|
|
|
function genChildren (
|
|
el,
|
|
state,
|
|
checkSkip,
|
|
altGenElement,
|
|
altGenNode
|
|
) {
|
|
var children = el.children;
|
|
if (children.length) {
|
|
var el$1 = children[0];
|
|
// optimize single v-for
|
|
if (children.length === 1 &&
|
|
el$1.for &&
|
|
el$1.tag !== 'template' &&
|
|
el$1.tag !== 'slot'
|
|
) {
|
|
var normalizationType = checkSkip
|
|
? state.maybeComponent(el$1) ? ",1" : ",0"
|
|
: "";
|
|
return ("" + ((altGenElement || genElement)(el$1, state)) + normalizationType)
|
|
}
|
|
var normalizationType$1 = checkSkip
|
|
? getNormalizationType(children, state.maybeComponent)
|
|
: 0;
|
|
var gen = altGenNode || genNode;
|
|
return ("[" + (children.map(function (c) { return gen(c, state); }).join(',')) + "]" + (normalizationType$1 ? ("," + normalizationType$1) : ''))
|
|
}
|
|
}
|
|
|
|
// determine the normalization needed for the children array.
|
|
// 0: no normalization needed
|
|
// 1: simple normalization needed (possible 1-level deep nested array)
|
|
// 2: full normalization needed
|
|
function getNormalizationType (
|
|
children,
|
|
maybeComponent
|
|
) {
|
|
var res = 0;
|
|
for (var i = 0; i < children.length; i++) {
|
|
var el = children[i];
|
|
if (el.type !== 1) {
|
|
continue
|
|
}
|
|
if (needsNormalization(el) ||
|
|
(el.ifConditions && el.ifConditions.some(function (c) { return needsNormalization(c.block); }))) {
|
|
res = 2;
|
|
break
|
|
}
|
|
if (maybeComponent(el) ||
|
|
(el.ifConditions && el.ifConditions.some(function (c) { return maybeComponent(c.block); }))) {
|
|
res = 1;
|
|
}
|
|
}
|
|
return res
|
|
}
|
|
|
|
function needsNormalization (el) {
|
|
return el.for !== undefined || el.tag === 'template' || el.tag === 'slot'
|
|
}
|
|
|
|
function genNode (node, state) {
|
|
if (node.type === 1) {
|
|
return genElement(node, state)
|
|
} else if (node.type === 3 && node.isComment) {
|
|
return genComment(node)
|
|
} else {
|
|
return genText(node)
|
|
}
|
|
}
|
|
|
|
function genText (text) {
|
|
return ("_v(" + (text.type === 2
|
|
? text.expression // no need for () because already wrapped in _s()
|
|
: transformSpecialNewlines(JSON.stringify(text.text))) + ")")
|
|
}
|
|
|
|
function genComment (comment) {
|
|
return ("_e(" + (JSON.stringify(comment.text)) + ")")
|
|
}
|
|
|
|
function genSlot (el, state) {
|
|
var slotName = el.slotName || '"default"';
|
|
var children = genChildren(el, state);
|
|
var res = "_t(" + slotName + (children ? (",function(){return " + children + "}") : '');
|
|
var attrs = el.attrs || el.dynamicAttrs
|
|
? genProps((el.attrs || []).concat(el.dynamicAttrs || []).map(function (attr) { return ({
|
|
// slot props are camelized
|
|
name: camelize(attr.name),
|
|
value: attr.value,
|
|
dynamic: attr.dynamic
|
|
}); }))
|
|
: null;
|
|
var bind$$1 = el.attrsMap['v-bind'];
|
|
if ((attrs || bind$$1) && !children) {
|
|
res += ",null";
|
|
}
|
|
if (attrs) {
|
|
res += "," + attrs;
|
|
}
|
|
if (bind$$1) {
|
|
res += (attrs ? '' : ',null') + "," + bind$$1;
|
|
}
|
|
return res + ')'
|
|
}
|
|
|
|
// componentName is el.component, take it as argument to shun flow's pessimistic refinement
|
|
function genComponent (
|
|
componentName,
|
|
el,
|
|
state
|
|
) {
|
|
var children = el.inlineTemplate ? null : genChildren(el, state, true);
|
|
return ("_c(" + componentName + "," + (genData$2(el, state)) + (children ? ("," + children) : '') + ")")
|
|
}
|
|
|
|
function genProps (props) {
|
|
var staticProps = "";
|
|
var dynamicProps = "";
|
|
for (var i = 0; i < props.length; i++) {
|
|
var prop = props[i];
|
|
var value = transformSpecialNewlines(prop.value);
|
|
if (prop.dynamic) {
|
|
dynamicProps += (prop.name) + "," + value + ",";
|
|
} else {
|
|
staticProps += "\"" + (prop.name) + "\":" + value + ",";
|
|
}
|
|
}
|
|
staticProps = "{" + (staticProps.slice(0, -1)) + "}";
|
|
if (dynamicProps) {
|
|
return ("_d(" + staticProps + ",[" + (dynamicProps.slice(0, -1)) + "])")
|
|
} else {
|
|
return staticProps
|
|
}
|
|
}
|
|
|
|
// #3895, #4268
|
|
function transformSpecialNewlines (text) {
|
|
return text
|
|
.replace(/\u2028/g, '\\u2028')
|
|
.replace(/\u2029/g, '\\u2029')
|
|
}
|
|
|
|
/* */
|
|
|
|
|
|
|
|
// these keywords should not appear inside expressions, but operators like
|
|
// typeof, instanceof and in are allowed
|
|
var prohibitedKeywordRE = new RegExp('\\b' + (
|
|
'do,if,for,let,new,try,var,case,else,with,await,break,catch,class,const,' +
|
|
'super,throw,while,yield,delete,export,import,return,switch,default,' +
|
|
'extends,finally,continue,debugger,function,arguments'
|
|
).split(',').join('\\b|\\b') + '\\b');
|
|
|
|
// these unary operators should not be used as property/method names
|
|
var unaryOperatorsRE = new RegExp('\\b' + (
|
|
'delete,typeof,void'
|
|
).split(',').join('\\s*\\([^\\)]*\\)|\\b') + '\\s*\\([^\\)]*\\)');
|
|
|
|
// strip strings in expressions
|
|
var stripStringRE = /'(?:[^'\\]|\\.)*'|"(?:[^"\\]|\\.)*"|`(?:[^`\\]|\\.)*\$\{|\}(?:[^`\\]|\\.)*`|`(?:[^`\\]|\\.)*`/g;
|
|
|
|
// detect problematic expressions in a template
|
|
function detectErrors (ast, warn) {
|
|
if (ast) {
|
|
checkNode(ast, warn);
|
|
}
|
|
}
|
|
|
|
function checkNode (node, warn) {
|
|
if (node.type === 1) {
|
|
for (var name in node.attrsMap) {
|
|
if (dirRE.test(name)) {
|
|
var value = node.attrsMap[name];
|
|
if (value) {
|
|
var range = node.rawAttrsMap[name];
|
|
if (name === 'v-for') {
|
|
checkFor(node, ("v-for=\"" + value + "\""), warn, range);
|
|
} else if (name === 'v-slot' || name[0] === '#') {
|
|
checkFunctionParameterExpression(value, (name + "=\"" + value + "\""), warn, range);
|
|
} else if (onRE.test(name)) {
|
|
checkEvent(value, (name + "=\"" + value + "\""), warn, range);
|
|
} else {
|
|
checkExpression(value, (name + "=\"" + value + "\""), warn, range);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (node.children) {
|
|
for (var i = 0; i < node.children.length; i++) {
|
|
checkNode(node.children[i], warn);
|
|
}
|
|
}
|
|
} else if (node.type === 2) {
|
|
checkExpression(node.expression, node.text, warn, node);
|
|
}
|
|
}
|
|
|
|
function checkEvent (exp, text, warn, range) {
|
|
var stripped = exp.replace(stripStringRE, '');
|
|
var keywordMatch = stripped.match(unaryOperatorsRE);
|
|
if (keywordMatch && stripped.charAt(keywordMatch.index - 1) !== '$') {
|
|
warn(
|
|
"avoid using JavaScript unary operator as property name: " +
|
|
"\"" + (keywordMatch[0]) + "\" in expression " + (text.trim()),
|
|
range
|
|
);
|
|
}
|
|
checkExpression(exp, text, warn, range);
|
|
}
|
|
|
|
function checkFor (node, text, warn, range) {
|
|
checkExpression(node.for || '', text, warn, range);
|
|
checkIdentifier(node.alias, 'v-for alias', text, warn, range);
|
|
checkIdentifier(node.iterator1, 'v-for iterator', text, warn, range);
|
|
checkIdentifier(node.iterator2, 'v-for iterator', text, warn, range);
|
|
}
|
|
|
|
function checkIdentifier (
|
|
ident,
|
|
type,
|
|
text,
|
|
warn,
|
|
range
|
|
) {
|
|
if (typeof ident === 'string') {
|
|
try {
|
|
new Function(("var " + ident + "=_"));
|
|
} catch (e) {
|
|
warn(("invalid " + type + " \"" + ident + "\" in expression: " + (text.trim())), range);
|
|
}
|
|
}
|
|
}
|
|
|
|
function checkExpression (exp, text, warn, range) {
|
|
try {
|
|
new Function(("return " + exp));
|
|
} catch (e) {
|
|
var keywordMatch = exp.replace(stripStringRE, '').match(prohibitedKeywordRE);
|
|
if (keywordMatch) {
|
|
warn(
|
|
"avoid using JavaScript keyword as property name: " +
|
|
"\"" + (keywordMatch[0]) + "\"\n Raw expression: " + (text.trim()),
|
|
range
|
|
);
|
|
} else {
|
|
warn(
|
|
"invalid expression: " + (e.message) + " in\n\n" +
|
|
" " + exp + "\n\n" +
|
|
" Raw expression: " + (text.trim()) + "\n",
|
|
range
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
function checkFunctionParameterExpression (exp, text, warn, range) {
|
|
try {
|
|
new Function(exp, '');
|
|
} catch (e) {
|
|
warn(
|
|
"invalid function parameter expression: " + (e.message) + " in\n\n" +
|
|
" " + exp + "\n\n" +
|
|
" Raw expression: " + (text.trim()) + "\n",
|
|
range
|
|
);
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
var range = 2;
|
|
|
|
function generateCodeFrame (
|
|
source,
|
|
start,
|
|
end
|
|
) {
|
|
if ( start === void 0 ) start = 0;
|
|
if ( end === void 0 ) end = source.length;
|
|
|
|
var lines = source.split(/\r?\n/);
|
|
var count = 0;
|
|
var res = [];
|
|
for (var i = 0; i < lines.length; i++) {
|
|
count += lines[i].length + 1;
|
|
if (count >= start) {
|
|
for (var j = i - range; j <= i + range || end > count; j++) {
|
|
if (j < 0 || j >= lines.length) { continue }
|
|
res.push(("" + (j + 1) + (repeat$1(" ", 3 - String(j + 1).length)) + "| " + (lines[j])));
|
|
var lineLength = lines[j].length;
|
|
if (j === i) {
|
|
// push underline
|
|
var pad = start - (count - lineLength) + 1;
|
|
var length = end > count ? lineLength - pad : end - start;
|
|
res.push(" | " + repeat$1(" ", pad) + repeat$1("^", length));
|
|
} else if (j > i) {
|
|
if (end > count) {
|
|
var length$1 = Math.min(end - count, lineLength);
|
|
res.push(" | " + repeat$1("^", length$1));
|
|
}
|
|
count += lineLength + 1;
|
|
}
|
|
}
|
|
break
|
|
}
|
|
}
|
|
return res.join('\n')
|
|
}
|
|
|
|
function repeat$1 (str, n) {
|
|
var result = '';
|
|
if (n > 0) {
|
|
while (true) { // eslint-disable-line
|
|
if (n & 1) { result += str; }
|
|
n >>>= 1;
|
|
if (n <= 0) { break }
|
|
str += str;
|
|
}
|
|
}
|
|
return result
|
|
}
|
|
|
|
/* */
|
|
|
|
|
|
|
|
function createFunction (code, errors) {
|
|
try {
|
|
return new Function(code)
|
|
} catch (err) {
|
|
errors.push({ err: err, code: code });
|
|
return noop
|
|
}
|
|
}
|
|
|
|
function createCompileToFunctionFn (compile) {
|
|
var cache = Object.create(null);
|
|
|
|
return function compileToFunctions (
|
|
template,
|
|
options,
|
|
vm
|
|
) {
|
|
options = extend({}, options);
|
|
var warn$$1 = options.warn || warn;
|
|
delete options.warn;
|
|
|
|
/* istanbul ignore if */
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
// detect possible CSP restriction
|
|
try {
|
|
new Function('return 1');
|
|
} catch (e) {
|
|
if (e.toString().match(/unsafe-eval|CSP/)) {
|
|
warn$$1(
|
|
'It seems you are using the standalone build of Vue.js in an ' +
|
|
'environment with Content Security Policy that prohibits unsafe-eval. ' +
|
|
'The template compiler cannot work in this environment. Consider ' +
|
|
'relaxing the policy to allow unsafe-eval or pre-compiling your ' +
|
|
'templates into render functions.'
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
// check cache
|
|
var key = options.delimiters
|
|
? String(options.delimiters) + template
|
|
: template;
|
|
if (cache[key]) {
|
|
return cache[key]
|
|
}
|
|
|
|
// compile
|
|
var compiled = compile(template, options);
|
|
|
|
// check compilation errors/tips
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
if (compiled.errors && compiled.errors.length) {
|
|
if (options.outputSourceRange) {
|
|
compiled.errors.forEach(function (e) {
|
|
warn$$1(
|
|
"Error compiling template:\n\n" + (e.msg) + "\n\n" +
|
|
generateCodeFrame(template, e.start, e.end),
|
|
vm
|
|
);
|
|
});
|
|
} else {
|
|
warn$$1(
|
|
"Error compiling template:\n\n" + template + "\n\n" +
|
|
compiled.errors.map(function (e) { return ("- " + e); }).join('\n') + '\n',
|
|
vm
|
|
);
|
|
}
|
|
}
|
|
if (compiled.tips && compiled.tips.length) {
|
|
if (options.outputSourceRange) {
|
|
compiled.tips.forEach(function (e) { return tip(e.msg, vm); });
|
|
} else {
|
|
compiled.tips.forEach(function (msg) { return tip(msg, vm); });
|
|
}
|
|
}
|
|
}
|
|
|
|
// turn code into functions
|
|
var res = {};
|
|
var fnGenErrors = [];
|
|
res.render = createFunction(compiled.render, fnGenErrors);
|
|
res.staticRenderFns = compiled.staticRenderFns.map(function (code) {
|
|
return createFunction(code, fnGenErrors)
|
|
});
|
|
|
|
// check function generation errors.
|
|
// this should only happen if there is a bug in the compiler itself.
|
|
// mostly for codegen development use
|
|
/* istanbul ignore if */
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
if ((!compiled.errors || !compiled.errors.length) && fnGenErrors.length) {
|
|
warn$$1(
|
|
"Failed to generate render function:\n\n" +
|
|
fnGenErrors.map(function (ref) {
|
|
var err = ref.err;
|
|
var code = ref.code;
|
|
|
|
return ((err.toString()) + " in\n\n" + code + "\n");
|
|
}).join('\n'),
|
|
vm
|
|
);
|
|
}
|
|
}
|
|
|
|
return (cache[key] = res)
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
function createCompilerCreator (baseCompile) {
|
|
return function createCompiler (baseOptions) {
|
|
function compile (
|
|
template,
|
|
options
|
|
) {
|
|
var finalOptions = Object.create(baseOptions);
|
|
var errors = [];
|
|
var tips = [];
|
|
|
|
var warn = function (msg, range, tip) {
|
|
(tip ? tips : errors).push(msg);
|
|
};
|
|
|
|
if (options) {
|
|
if (process.env.NODE_ENV !== 'production' && options.outputSourceRange) {
|
|
// $flow-disable-line
|
|
var leadingSpaceLength = template.match(/^\s*/)[0].length;
|
|
|
|
warn = function (msg, range, tip) {
|
|
var data = { msg: msg };
|
|
if (range) {
|
|
if (range.start != null) {
|
|
data.start = range.start + leadingSpaceLength;
|
|
}
|
|
if (range.end != null) {
|
|
data.end = range.end + leadingSpaceLength;
|
|
}
|
|
}
|
|
(tip ? tips : errors).push(data);
|
|
};
|
|
}
|
|
// merge custom modules
|
|
if (options.modules) {
|
|
finalOptions.modules =
|
|
(baseOptions.modules || []).concat(options.modules);
|
|
}
|
|
// merge custom directives
|
|
if (options.directives) {
|
|
finalOptions.directives = extend(
|
|
Object.create(baseOptions.directives || null),
|
|
options.directives
|
|
);
|
|
}
|
|
// copy other options
|
|
for (var key in options) {
|
|
if (key !== 'modules' && key !== 'directives') {
|
|
finalOptions[key] = options[key];
|
|
}
|
|
}
|
|
}
|
|
|
|
finalOptions.warn = warn;
|
|
|
|
var compiled = baseCompile(template.trim(), finalOptions);
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
detectErrors(compiled.ast, warn);
|
|
}
|
|
compiled.errors = errors;
|
|
compiled.tips = tips;
|
|
return compiled
|
|
}
|
|
|
|
return {
|
|
compile: compile,
|
|
compileToFunctions: createCompileToFunctionFn(compile)
|
|
}
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
// `createCompilerCreator` allows creating compilers that use alternative
|
|
// parser/optimizer/codegen, e.g the SSR optimizing compiler.
|
|
// Here we just export a default compiler using the default parts.
|
|
var createCompiler = createCompilerCreator(function baseCompile (
|
|
template,
|
|
options
|
|
) {
|
|
var ast = parse(template.trim(), options);
|
|
if (options.optimize !== false) {
|
|
optimize(ast, options);
|
|
}
|
|
var code = generate(ast, options);
|
|
return {
|
|
ast: ast,
|
|
render: code.render,
|
|
staticRenderFns: code.staticRenderFns
|
|
}
|
|
});
|
|
|
|
/* */
|
|
|
|
var ref = createCompiler(baseOptions);
|
|
var compile = ref.compile;
|
|
var compileToFunctions = ref.compileToFunctions;
|
|
|
|
/* */
|
|
|
|
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,' +
|
|
'contenteditable,contextmenu,controls,coords,data,datetime,default,' +
|
|
'defer,dir,dirname,disabled,download,draggable,dropzone,enctype,for,' +
|
|
'form,formaction,headers,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,usemap,value,width,wrap'
|
|
);
|
|
|
|
/* istanbul ignore next */
|
|
var isRenderableAttr = function (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 ESC = {
|
|
'<': '<',
|
|
'>': '>',
|
|
'"': '"',
|
|
'&': '&'
|
|
};
|
|
|
|
function escape (s) {
|
|
return s.replace(/[<>"&]/g, escapeChar)
|
|
}
|
|
|
|
function escapeChar (a) {
|
|
return ESC[a] || a
|
|
}
|
|
|
|
/* */
|
|
|
|
|
|
|
|
|
|
var plainStringRE = /^"(?:[^"\\]|\\.)*"$|^'(?:[^'\\]|\\.)*'$/;
|
|
|
|
// let the model AST transform translate v-model into appropriate
|
|
// props bindings
|
|
function applyModelTransform (el, state) {
|
|
if (el.directives) {
|
|
for (var i = 0; i < el.directives.length; i++) {
|
|
var dir = el.directives[i];
|
|
if (dir.name === 'model') {
|
|
state.directives.model(el, dir, state.warn);
|
|
// remove value for textarea as its converted to text
|
|
if (el.tag === 'textarea' && el.props) {
|
|
el.props = el.props.filter(function (p) { return p.name !== 'value'; });
|
|
}
|
|
break
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function genAttrSegments (
|
|
attrs
|
|
) {
|
|
return attrs.map(function (ref) {
|
|
var name = ref.name;
|
|
var value = ref.value;
|
|
|
|
return genAttrSegment(name, value);
|
|
})
|
|
}
|
|
|
|
function genDOMPropSegments (
|
|
props,
|
|
attrs
|
|
) {
|
|
var segments = [];
|
|
props.forEach(function (ref) {
|
|
var name = ref.name;
|
|
var value = ref.value;
|
|
|
|
name = propsToAttrMap[name] || name.toLowerCase();
|
|
if (isRenderableAttr(name) &&
|
|
!(attrs && attrs.some(function (a) { return a.name === name; }))
|
|
) {
|
|
segments.push(genAttrSegment(name, value));
|
|
}
|
|
});
|
|
return segments
|
|
}
|
|
|
|
function genAttrSegment (name, value) {
|
|
if (plainStringRE.test(value)) {
|
|
// force double quote
|
|
value = value.replace(/^'|'$/g, '"');
|
|
// force enumerated attr to "true"
|
|
if (isEnumeratedAttr(name) && value !== "\"false\"") {
|
|
value = "\"true\"";
|
|
}
|
|
return {
|
|
type: RAW,
|
|
value: isBooleanAttr(name)
|
|
? (" " + name + "=\"" + name + "\"")
|
|
: value === '""'
|
|
? (" " + name)
|
|
: (" " + name + "=\"" + (JSON.parse(value)) + "\"")
|
|
}
|
|
} else {
|
|
return {
|
|
type: EXPRESSION,
|
|
value: ("_ssrAttr(" + (JSON.stringify(name)) + "," + value + ")")
|
|
}
|
|
}
|
|
}
|
|
|
|
function genClassSegments (
|
|
staticClass,
|
|
classBinding
|
|
) {
|
|
if (staticClass && !classBinding) {
|
|
return [{ type: RAW, value: (" class=\"" + (JSON.parse(staticClass)) + "\"") }]
|
|
} else {
|
|
return [{
|
|
type: EXPRESSION,
|
|
value: ("_ssrClass(" + (staticClass || 'null') + "," + (classBinding || 'null') + ")")
|
|
}]
|
|
}
|
|
}
|
|
|
|
function genStyleSegments (
|
|
staticStyle,
|
|
parsedStaticStyle,
|
|
styleBinding,
|
|
vShowExpression
|
|
) {
|
|
if (staticStyle && !styleBinding && !vShowExpression) {
|
|
return [{ type: RAW, value: (" style=" + (JSON.stringify(staticStyle))) }]
|
|
} else {
|
|
return [{
|
|
type: EXPRESSION,
|
|
value: ("_ssrStyle(" + (parsedStaticStyle || 'null') + "," + (styleBinding || 'null') + ", " + (vShowExpression
|
|
? ("{ display: (" + vShowExpression + ") ? '' : 'none' }")
|
|
: 'null') + ")")
|
|
}]
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
// optimizability constants
|
|
var optimizability = {
|
|
FALSE: 0, // whole sub tree un-optimizable
|
|
FULL: 1, // whole sub tree optimizable
|
|
SELF: 2, // self optimizable but has some un-optimizable children
|
|
CHILDREN: 3, // self un-optimizable but have fully optimizable children
|
|
PARTIAL: 4 // self un-optimizable with some un-optimizable children
|
|
};
|
|
|
|
var isPlatformReservedTag$1;
|
|
|
|
function optimize$1 (root, options) {
|
|
if (!root) { return }
|
|
isPlatformReservedTag$1 = options.isReservedTag || no;
|
|
walk(root, true);
|
|
}
|
|
|
|
function walk (node, isRoot) {
|
|
if (isUnOptimizableTree(node)) {
|
|
node.ssrOptimizability = optimizability.FALSE;
|
|
return
|
|
}
|
|
// root node or nodes with custom directives should always be a VNode
|
|
var selfUnoptimizable = isRoot || hasCustomDirective(node);
|
|
var check = function (child) {
|
|
if (child.ssrOptimizability !== optimizability.FULL) {
|
|
node.ssrOptimizability = selfUnoptimizable
|
|
? optimizability.PARTIAL
|
|
: optimizability.SELF;
|
|
}
|
|
};
|
|
if (selfUnoptimizable) {
|
|
node.ssrOptimizability = optimizability.CHILDREN;
|
|
}
|
|
if (node.type === 1) {
|
|
for (var i = 0, l = node.children.length; i < l; i++) {
|
|
var child = node.children[i];
|
|
walk(child);
|
|
check(child);
|
|
}
|
|
if (node.ifConditions) {
|
|
for (var i$1 = 1, l$1 = node.ifConditions.length; i$1 < l$1; i$1++) {
|
|
var block = node.ifConditions[i$1].block;
|
|
walk(block, isRoot);
|
|
check(block);
|
|
}
|
|
}
|
|
if (node.ssrOptimizability == null ||
|
|
(!isRoot && (node.attrsMap['v-html'] || node.attrsMap['v-text']))
|
|
) {
|
|
node.ssrOptimizability = optimizability.FULL;
|
|
} else {
|
|
node.children = optimizeSiblings(node);
|
|
}
|
|
} else {
|
|
node.ssrOptimizability = optimizability.FULL;
|
|
}
|
|
}
|
|
|
|
function optimizeSiblings (el) {
|
|
var children = el.children;
|
|
var optimizedChildren = [];
|
|
|
|
var currentOptimizableGroup = [];
|
|
var pushGroup = function () {
|
|
if (currentOptimizableGroup.length) {
|
|
optimizedChildren.push({
|
|
type: 1,
|
|
parent: el,
|
|
tag: 'template',
|
|
attrsList: [],
|
|
attrsMap: {},
|
|
rawAttrsMap: {},
|
|
children: currentOptimizableGroup,
|
|
ssrOptimizability: optimizability.FULL
|
|
});
|
|
}
|
|
currentOptimizableGroup = [];
|
|
};
|
|
|
|
for (var i = 0; i < children.length; i++) {
|
|
var c = children[i];
|
|
if (c.ssrOptimizability === optimizability.FULL) {
|
|
currentOptimizableGroup.push(c);
|
|
} else {
|
|
// wrap fully-optimizable adjacent siblings inside a template tag
|
|
// so that they can be optimized into a single ssrNode by codegen
|
|
pushGroup();
|
|
optimizedChildren.push(c);
|
|
}
|
|
}
|
|
pushGroup();
|
|
return optimizedChildren
|
|
}
|
|
|
|
function isUnOptimizableTree (node) {
|
|
if (node.type === 2 || node.type === 3) { // text or expression
|
|
return false
|
|
}
|
|
return (
|
|
isBuiltInTag(node.tag) || // built-in (slot, component)
|
|
!isPlatformReservedTag$1(node.tag) || // custom component
|
|
!!node.component || // "is" component
|
|
isSelectWithModel(node) // <select v-model> requires runtime inspection
|
|
)
|
|
}
|
|
|
|
var isBuiltInDir = makeMap('text,html,show,on,bind,model,pre,cloak,once');
|
|
|
|
function hasCustomDirective (node) {
|
|
return (
|
|
node.type === 1 &&
|
|
node.directives &&
|
|
node.directives.some(function (d) { return !isBuiltInDir(d.name); })
|
|
)
|
|
}
|
|
|
|
// <select v-model> cannot be optimized because it requires a runtime check
|
|
// to determine proper selected option
|
|
function isSelectWithModel (node) {
|
|
return (
|
|
node.type === 1 &&
|
|
node.tag === 'select' &&
|
|
node.directives != null &&
|
|
node.directives.some(function (d) { return d.name === 'model'; })
|
|
)
|
|
}
|
|
|
|
/* */
|
|
|
|
|
|
|
|
|
|
// segment types
|
|
var RAW = 0;
|
|
var INTERPOLATION = 1;
|
|
var EXPRESSION = 2;
|
|
|
|
function generate$1 (
|
|
ast,
|
|
options
|
|
) {
|
|
var state = new CodegenState(options);
|
|
var code = ast ? genSSRElement(ast, state) : '_c("div")';
|
|
return {
|
|
render: ("with(this){return " + code + "}"),
|
|
staticRenderFns: state.staticRenderFns
|
|
}
|
|
}
|
|
|
|
function genSSRElement (el, state) {
|
|
if (el.for && !el.forProcessed) {
|
|
return genFor(el, state, genSSRElement)
|
|
} else if (el.if && !el.ifProcessed) {
|
|
return genIf(el, state, genSSRElement)
|
|
} else if (el.tag === 'template' && !el.slotTarget) {
|
|
return el.ssrOptimizability === optimizability.FULL
|
|
? genChildrenAsStringNode(el, state)
|
|
: genSSRChildren(el, state) || 'void 0'
|
|
}
|
|
|
|
switch (el.ssrOptimizability) {
|
|
case optimizability.FULL:
|
|
// stringify whole tree
|
|
return genStringElement(el, state)
|
|
case optimizability.SELF:
|
|
// stringify self and check children
|
|
return genStringElementWithChildren(el, state)
|
|
case optimizability.CHILDREN:
|
|
// generate self as VNode and stringify children
|
|
return genNormalElement(el, state, true)
|
|
case optimizability.PARTIAL:
|
|
// generate self as VNode and check children
|
|
return genNormalElement(el, state, false)
|
|
default:
|
|
// bail whole tree
|
|
return genElement(el, state)
|
|
}
|
|
}
|
|
|
|
function genNormalElement (el, state, stringifyChildren) {
|
|
var data = el.plain ? undefined : genData$2(el, state);
|
|
var children = stringifyChildren
|
|
? ("[" + (genChildrenAsStringNode(el, state)) + "]")
|
|
: genSSRChildren(el, state, true);
|
|
return ("_c('" + (el.tag) + "'" + (data ? ("," + data) : '') + (children ? ("," + children) : '') + ")")
|
|
}
|
|
|
|
function genSSRChildren (el, state, checkSkip) {
|
|
return genChildren(el, state, checkSkip, genSSRElement, genSSRNode)
|
|
}
|
|
|
|
function genSSRNode (el, state) {
|
|
return el.type === 1
|
|
? genSSRElement(el, state)
|
|
: genText(el)
|
|
}
|
|
|
|
function genChildrenAsStringNode (el, state) {
|
|
return el.children.length
|
|
? ("_ssrNode(" + (flattenSegments(childrenToSegments(el, state))) + ")")
|
|
: ''
|
|
}
|
|
|
|
function genStringElement (el, state) {
|
|
return ("_ssrNode(" + (elementToString(el, state)) + ")")
|
|
}
|
|
|
|
function genStringElementWithChildren (el, state) {
|
|
var children = genSSRChildren(el, state, true);
|
|
return ("_ssrNode(" + (flattenSegments(elementToOpenTagSegments(el, state))) + ",\"</" + (el.tag) + ">\"" + (children ? ("," + children) : '') + ")")
|
|
}
|
|
|
|
function elementToString (el, state) {
|
|
return ("(" + (flattenSegments(elementToSegments(el, state))) + ")")
|
|
}
|
|
|
|
function elementToSegments (el, state) {
|
|
// v-for / v-if
|
|
if (el.for && !el.forProcessed) {
|
|
el.forProcessed = true;
|
|
return [{
|
|
type: EXPRESSION,
|
|
value: genFor(el, state, elementToString, '_ssrList')
|
|
}]
|
|
} else if (el.if && !el.ifProcessed) {
|
|
el.ifProcessed = true;
|
|
return [{
|
|
type: EXPRESSION,
|
|
value: genIf(el, state, elementToString, '"<!---->"')
|
|
}]
|
|
} else if (el.tag === 'template') {
|
|
return childrenToSegments(el, state)
|
|
}
|
|
|
|
var openSegments = elementToOpenTagSegments(el, state);
|
|
var childrenSegments = childrenToSegments(el, state);
|
|
var ref = state.options;
|
|
var isUnaryTag = ref.isUnaryTag;
|
|
var close = (isUnaryTag && isUnaryTag(el.tag))
|
|
? []
|
|
: [{ type: RAW, value: ("</" + (el.tag) + ">") }];
|
|
return openSegments.concat(childrenSegments, close)
|
|
}
|
|
|
|
function elementToOpenTagSegments (el, state) {
|
|
applyModelTransform(el, state);
|
|
var binding;
|
|
var segments = [{ type: RAW, value: ("<" + (el.tag)) }];
|
|
// attrs
|
|
if (el.attrs) {
|
|
segments.push.apply(segments, genAttrSegments(el.attrs));
|
|
}
|
|
// domProps
|
|
if (el.props) {
|
|
segments.push.apply(segments, genDOMPropSegments(el.props, el.attrs));
|
|
}
|
|
// v-bind="object"
|
|
if ((binding = el.attrsMap['v-bind'])) {
|
|
segments.push({ type: EXPRESSION, value: ("_ssrAttrs(" + binding + ")") });
|
|
}
|
|
// v-bind.prop="object"
|
|
if ((binding = el.attrsMap['v-bind.prop'])) {
|
|
segments.push({ type: EXPRESSION, value: ("_ssrDOMProps(" + binding + ")") });
|
|
}
|
|
// class
|
|
if (el.staticClass || el.classBinding) {
|
|
segments.push.apply(
|
|
segments,
|
|
genClassSegments(el.staticClass, el.classBinding)
|
|
);
|
|
}
|
|
// style & v-show
|
|
if (el.staticStyle || el.styleBinding || el.attrsMap['v-show']) {
|
|
segments.push.apply(
|
|
segments,
|
|
genStyleSegments(
|
|
el.attrsMap.style,
|
|
el.staticStyle,
|
|
el.styleBinding,
|
|
el.attrsMap['v-show']
|
|
)
|
|
);
|
|
}
|
|
// _scopedId
|
|
if (state.options.scopeId) {
|
|
segments.push({ type: RAW, value: (" " + (state.options.scopeId)) });
|
|
}
|
|
segments.push({ type: RAW, value: ">" });
|
|
return segments
|
|
}
|
|
|
|
function childrenToSegments (el, state) {
|
|
var binding;
|
|
if ((binding = el.attrsMap['v-html'])) {
|
|
return [{ type: EXPRESSION, value: ("_s(" + binding + ")") }]
|
|
}
|
|
if ((binding = el.attrsMap['v-text'])) {
|
|
return [{ type: INTERPOLATION, value: ("_s(" + binding + ")") }]
|
|
}
|
|
if (el.tag === 'textarea' && (binding = el.attrsMap['v-model'])) {
|
|
return [{ type: INTERPOLATION, value: ("_s(" + binding + ")") }]
|
|
}
|
|
return el.children
|
|
? nodesToSegments(el.children, state)
|
|
: []
|
|
}
|
|
|
|
function nodesToSegments (
|
|
children,
|
|
state
|
|
) {
|
|
var segments = [];
|
|
for (var i = 0; i < children.length; i++) {
|
|
var c = children[i];
|
|
if (c.type === 1) {
|
|
segments.push.apply(segments, elementToSegments(c, state));
|
|
} else if (c.type === 2) {
|
|
segments.push({ type: INTERPOLATION, value: c.expression });
|
|
} else if (c.type === 3) {
|
|
var text = escape(c.text);
|
|
if (c.isComment) {
|
|
text = '<!--' + text + '-->';
|
|
}
|
|
segments.push({ type: RAW, value: text });
|
|
}
|
|
}
|
|
return segments
|
|
}
|
|
|
|
function flattenSegments (segments) {
|
|
var mergedSegments = [];
|
|
var textBuffer = '';
|
|
|
|
var pushBuffer = function () {
|
|
if (textBuffer) {
|
|
mergedSegments.push(JSON.stringify(textBuffer));
|
|
textBuffer = '';
|
|
}
|
|
};
|
|
|
|
for (var i = 0; i < segments.length; i++) {
|
|
var s = segments[i];
|
|
if (s.type === RAW) {
|
|
textBuffer += s.value;
|
|
} else if (s.type === INTERPOLATION) {
|
|
pushBuffer();
|
|
mergedSegments.push(("_ssrEscape(" + (s.value) + ")"));
|
|
} else if (s.type === EXPRESSION) {
|
|
pushBuffer();
|
|
mergedSegments.push(("(" + (s.value) + ")"));
|
|
}
|
|
}
|
|
pushBuffer();
|
|
|
|
return mergedSegments.join('+')
|
|
}
|
|
|
|
/* */
|
|
|
|
var createCompiler$1 = createCompilerCreator(function baseCompile (
|
|
template,
|
|
options
|
|
) {
|
|
var ast = parse(template.trim(), options);
|
|
optimize$1(ast, options);
|
|
var code = generate$1(ast, options);
|
|
return {
|
|
ast: ast,
|
|
render: code.render,
|
|
staticRenderFns: code.staticRenderFns
|
|
}
|
|
});
|
|
|
|
/* */
|
|
|
|
var ref$1 = createCompiler$1(baseOptions);
|
|
var compile$1 = ref$1.compile;
|
|
var compileToFunctions$1 = ref$1.compileToFunctions;
|
|
|
|
/* */
|
|
|
|
exports.parseComponent = parseComponent;
|
|
exports.compile = compile;
|
|
exports.compileToFunctions = compileToFunctions;
|
|
exports.ssrCompile = compile$1;
|
|
exports.ssrCompileToFunctions = compileToFunctions$1;
|
|
exports.generateCodeFrame = generateCodeFrame;
|