mirror of https://github.com/vuejs/vue.git
8666 lines
222 KiB
JavaScript
8666 lines
222 KiB
JavaScript
'use strict';
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Object.defineProperty(exports, '__esModule', { value: true });
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function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }
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var he = _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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function isDef (v) {
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return v !== undefined && v !== null
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}
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function isTrue (v) {
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return v === true
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}
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function isFalse (v) {
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return v === false
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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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* Convert a value to a string that is actually rendered.
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*/
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function toString (val) {
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return val == null
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? ''
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: typeof val === 'object'
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? JSON.stringify(val, null, 2)
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: String(val)
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}
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/**
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* Convert an input value to a number for persistence.
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* If the conversion fails, return original string.
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*/
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function toNumber (val) {
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var n = parseFloat(val);
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return isNaN(n) ? val : n
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}
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/**
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* Make a map and return a function for checking if a key
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* is in that map.
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*/
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function makeMap (
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str,
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expectsLowerCase
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) {
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var map = Object.create(null);
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var list = str.split(',');
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for (var i = 0; i < list.length; i++) {
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map[list[i]] = true;
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}
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return expectsLowerCase
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? function (val) { return map[val.toLowerCase()]; }
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: function (val) { return map[val]; }
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}
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/**
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* Check if a tag is a built-in tag.
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*/
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var isBuiltInTag = makeMap('slot,component', true);
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/**
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* 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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* Capitalize a string.
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*/
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var capitalize = cached(function (str) {
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return str.charAt(0).toUpperCase() + str.slice(1)
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});
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/**
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* Hyphenate a camelCase string.
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*/
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var hyphenateRE = /\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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/**
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* Merge an Array of Objects into a single Object.
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*/
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function toObject (arr) {
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var res = {};
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for (var i = 0; i < arr.length; i++) {
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if (arr[i]) {
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extend(res, arr[i]);
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}
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}
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return res
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}
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/* 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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* Check if two values are loosely equal - that is,
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* if they are plain objects, do they have the same shape?
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*/
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function looseEqual (a, b) {
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if (a === b) { return true }
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var isObjectA = isObject(a);
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var isObjectB = isObject(b);
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if (isObjectA && isObjectB) {
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try {
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var isArrayA = Array.isArray(a);
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var isArrayB = Array.isArray(b);
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if (isArrayA && isArrayB) {
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return a.length === b.length && a.every(function (e, i) {
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return looseEqual(e, b[i])
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})
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} else if (a instanceof Date && b instanceof Date) {
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return a.getTime() === b.getTime()
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} else if (!isArrayA && !isArrayB) {
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var keysA = Object.keys(a);
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var keysB = Object.keys(b);
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return keysA.length === keysB.length && keysA.every(function (key) {
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return looseEqual(a[key], b[key])
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})
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} else {
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/* istanbul ignore next */
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return false
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}
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} catch (e) {
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/* istanbul ignore next */
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return false
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}
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} else if (!isObjectA && !isObjectB) {
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return String(a) === String(b)
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} else {
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return false
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}
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}
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/**
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* Return the first index at which a loosely equal value can be
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* found in the array (if value is a plain object, the array must
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* contain an object of the same shape), or -1 if it is not present.
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*/
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function looseIndexOf (arr, val) {
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for (var i = 0; i < arr.length; i++) {
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if (looseEqual(arr[i], val)) { return i }
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}
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return -1
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}
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/**
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* Ensure a function is called only once.
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*/
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function once (fn) {
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var called = false;
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return function () {
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if (!called) {
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called = true;
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fn.apply(this, arguments);
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}
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}
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}
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/* */
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var isAttr = makeMap(
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'accept,accept-charset,accesskey,action,align,alt,async,autocomplete,' +
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'autofocus,autoplay,autosave,bgcolor,border,buffered,challenge,charset,' +
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'checked,cite,class,code,codebase,color,cols,colspan,content,http-equiv,' +
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'name,contenteditable,contextmenu,controls,coords,data,datetime,default,' +
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'defer,dir,dirname,disabled,download,draggable,dropzone,enctype,method,for,' +
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'form,formaction,headers,height,hidden,high,href,hreflang,http-equiv,' +
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'icon,id,ismap,itemprop,keytype,kind,label,lang,language,list,loop,low,' +
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'manifest,max,maxlength,media,method,GET,POST,min,multiple,email,file,' +
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'muted,name,novalidate,open,optimum,pattern,ping,placeholder,poster,' +
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'preload,radiogroup,readonly,rel,required,reversed,rows,rowspan,sandbox,' +
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'scope,scoped,seamless,selected,shape,size,type,text,password,sizes,span,' +
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'spellcheck,src,srcdoc,srclang,srcset,start,step,style,summary,tabindex,' +
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'target,title,type,usemap,value,width,wrap'
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);
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var unsafeAttrCharRE = /[>/="'\u0009\u000a\u000c\u0020]/; // eslint-disable-line no-control-regex
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var isSSRUnsafeAttr = function (name) {
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return unsafeAttrCharRE.test(name)
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};
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/* istanbul ignore next */
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var isRenderableAttr = function (name) {
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return (
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isAttr(name) ||
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name.indexOf('data-') === 0 ||
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name.indexOf('aria-') === 0
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)
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};
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var propsToAttrMap = {
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acceptCharset: 'accept-charset',
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className: 'class',
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htmlFor: 'for',
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httpEquiv: 'http-equiv'
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};
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var ESC = {
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'<': '<',
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'>': '>',
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'"': '"',
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'&': '&'
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};
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function escape (s) {
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return s.replace(/[<>"&]/g, escapeChar)
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}
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function escapeChar (a) {
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return ESC[a] || a
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}
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/* */
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// these are reserved for web because they are directly compiled away
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// during template compilation
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var isReservedAttr = makeMap('style,class');
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// attributes that should be using props for binding
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var acceptValue = makeMap('input,textarea,option,select,progress');
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var mustUseProp = function (tag, type, attr) {
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return (
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(attr === 'value' && acceptValue(tag)) && type !== 'button' ||
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(attr === 'selected' && tag === 'option') ||
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(attr === 'checked' && tag === 'input') ||
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(attr === 'muted' && tag === 'video')
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)
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};
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var isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck');
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var isBooleanAttr = makeMap(
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'allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,' +
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'default,defaultchecked,defaultmuted,defaultselected,defer,disabled,' +
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'enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,' +
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'muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,' +
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'required,reversed,scoped,seamless,selected,sortable,translate,' +
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'truespeed,typemustmatch,visible'
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);
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var isFalsyAttrValue = function (val) {
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return val == null || val === false
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};
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/* */
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function renderAttrs (node) {
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var attrs = node.data.attrs;
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var res = '';
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var opts = node.parent && node.parent.componentOptions;
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if (isUndef(opts) || opts.Ctor.options.inheritAttrs !== false) {
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var parent = node.parent;
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while (isDef(parent)) {
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if (isDef(parent.data) && isDef(parent.data.attrs)) {
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attrs = extend(extend({}, attrs), parent.data.attrs);
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}
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parent = parent.parent;
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}
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}
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if (isUndef(attrs)) {
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return res
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}
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for (var key in attrs) {
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if (isSSRUnsafeAttr(key)) {
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continue
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}
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if (key === 'style') {
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// leave it to the style module
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continue
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}
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res += renderAttr(key, attrs[key]);
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}
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return res
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}
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function renderAttr (key, value) {
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if (isBooleanAttr(key)) {
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if (!isFalsyAttrValue(value)) {
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return (" " + key + "=\"" + key + "\"")
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}
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} else if (isEnumeratedAttr(key)) {
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return (" " + key + "=\"" + (isFalsyAttrValue(value) || value === 'false' ? 'false' : 'true') + "\"")
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} else if (!isFalsyAttrValue(value)) {
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return (" " + key + "=\"" + (escape(String(value))) + "\"")
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}
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return ''
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}
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/* */
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|
var VNode = function VNode (
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tag,
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data,
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children,
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text,
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elm,
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context,
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componentOptions,
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asyncFactory
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) {
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this.tag = tag;
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this.data = data;
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this.children = children;
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this.text = text;
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this.elm = elm;
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this.ns = undefined;
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this.context = context;
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this.fnContext = undefined;
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this.fnOptions = undefined;
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this.fnScopeId = undefined;
|
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this.key = data && data.key;
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this.componentOptions = componentOptions;
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|
this.componentInstance = undefined;
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this.parent = undefined;
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this.raw = false;
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this.isStatic = false;
|
|
this.isRootInsert = true;
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|
this.isComment = false;
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|
this.isCloned = false;
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this.isOnce = false;
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this.asyncFactory = asyncFactory;
|
|
this.asyncMeta = undefined;
|
|
this.isAsyncPlaceholder = false;
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};
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|
|
|
var prototypeAccessors = { child: { configurable: true } };
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|
|
|
// DEPRECATED: alias for componentInstance for backwards compat.
|
|
/* istanbul ignore next */
|
|
prototypeAccessors.child.get = function () {
|
|
return this.componentInstance
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|
};
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|
|
|
Object.defineProperties( VNode.prototype, prototypeAccessors );
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|
|
|
var createEmptyVNode = function (text) {
|
|
if ( text === void 0 ) text = '';
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|
|
|
var node = new VNode();
|
|
node.text = text;
|
|
node.isComment = true;
|
|
return node
|
|
};
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|
|
|
function createTextVNode (val) {
|
|
return new VNode(undefined, undefined, undefined, String(val))
|
|
}
|
|
|
|
// optimized shallow clone
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|
// used for static nodes and slot nodes because they may be reused across
|
|
// multiple renders, cloning them avoids errors when DOM manipulations rely
|
|
// on their elm reference.
|
|
function cloneVNode (vnode) {
|
|
var cloned = new VNode(
|
|
vnode.tag,
|
|
vnode.data,
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|
// #7975
|
|
// clone children array to avoid mutating original in case of cloning
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|
// a child.
|
|
vnode.children && vnode.children.slice(),
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|
vnode.text,
|
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vnode.elm,
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vnode.context,
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vnode.componentOptions,
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vnode.asyncFactory
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|
);
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cloned.ns = vnode.ns;
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cloned.isStatic = vnode.isStatic;
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cloned.key = vnode.key;
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cloned.isComment = vnode.isComment;
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cloned.fnContext = vnode.fnContext;
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|
cloned.fnOptions = vnode.fnOptions;
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|
cloned.fnScopeId = vnode.fnScopeId;
|
|
cloned.asyncMeta = vnode.asyncMeta;
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|
cloned.isCloned = true;
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|
return cloned
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|
}
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|
|
|
/* */
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|
|
|
function renderDOMProps (node) {
|
|
var props = node.data.domProps;
|
|
var res = '';
|
|
|
|
var parent = node.parent;
|
|
while (isDef(parent)) {
|
|
if (parent.data && parent.data.domProps) {
|
|
props = extend(extend({}, props), parent.data.domProps);
|
|
}
|
|
parent = parent.parent;
|
|
}
|
|
|
|
if (isUndef(props)) {
|
|
return res
|
|
}
|
|
|
|
var attrs = node.data.attrs;
|
|
for (var key in props) {
|
|
if (key === 'innerHTML') {
|
|
setText(node, props[key], true);
|
|
} else if (key === 'textContent') {
|
|
setText(node, props[key], false);
|
|
} else if (key === 'value' && node.tag === 'textarea') {
|
|
setText(node, props[key], false);
|
|
} else {
|
|
// $flow-disable-line (WTF?)
|
|
var attr = propsToAttrMap[key] || key.toLowerCase();
|
|
if (isRenderableAttr(attr) &&
|
|
// avoid rendering double-bound props/attrs twice
|
|
!(isDef(attrs) && isDef(attrs[attr]))
|
|
) {
|
|
res += renderAttr(attr, props[key]);
|
|
}
|
|
}
|
|
}
|
|
return res
|
|
}
|
|
|
|
function setText (node, text, raw) {
|
|
var child = new VNode(undefined, undefined, undefined, text);
|
|
child.raw = raw;
|
|
node.children = [child];
|
|
}
|
|
|
|
/* */
|
|
|
|
/**
|
|
* Define a property.
|
|
*/
|
|
function def (obj, key, val, enumerable) {
|
|
Object.defineProperty(obj, key, {
|
|
value: val,
|
|
enumerable: !!enumerable,
|
|
writable: true,
|
|
configurable: true
|
|
});
|
|
}
|
|
|
|
/* */
|
|
|
|
// can we use __proto__?
|
|
var hasProto = '__proto__' in {};
|
|
|
|
// Browser environment sniffing
|
|
var inBrowser = typeof window !== 'undefined';
|
|
var inWeex = typeof WXEnvironment !== 'undefined' && !!WXEnvironment.platform;
|
|
var weexPlatform = inWeex && WXEnvironment.platform.toLowerCase();
|
|
var UA = inBrowser && window.navigator.userAgent.toLowerCase();
|
|
var isIE = UA && /msie|trident/.test(UA);
|
|
var isIE9 = UA && UA.indexOf('msie 9.0') > 0;
|
|
var isEdge = UA && UA.indexOf('edge/') > 0;
|
|
var isAndroid = (UA && UA.indexOf('android') > 0) || (weexPlatform === 'android');
|
|
var isIOS = (UA && /iphone|ipad|ipod|ios/.test(UA)) || (weexPlatform === 'ios');
|
|
var isChrome = UA && /chrome\/\d+/.test(UA) && !isEdge;
|
|
|
|
// Firefox has a "watch" function on Object.prototype...
|
|
var nativeWatch = ({}).watch;
|
|
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 SSR_ATTR = 'data-server-rendered';
|
|
|
|
var ASSET_TYPES = [
|
|
'component',
|
|
'directive',
|
|
'filter'
|
|
];
|
|
|
|
var LIFECYCLE_HOOKS = [
|
|
'beforeCreate',
|
|
'created',
|
|
'beforeMount',
|
|
'mounted',
|
|
'beforeUpdate',
|
|
'updated',
|
|
'beforeDestroy',
|
|
'destroyed',
|
|
'activated',
|
|
'deactivated',
|
|
'errorCaptured'
|
|
];
|
|
|
|
/* */
|
|
|
|
|
|
|
|
var config = ({
|
|
/**
|
|
* Option merge strategies (used in core/util/options)
|
|
*/
|
|
// $flow-disable-line
|
|
optionMergeStrategies: Object.create(null),
|
|
|
|
/**
|
|
* Whether to suppress warnings.
|
|
*/
|
|
silent: false,
|
|
|
|
/**
|
|
* Show production mode tip message on boot?
|
|
*/
|
|
productionTip: 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 there could be only one
|
|
// watcher being evaluated at any time.
|
|
Dep.target = null;
|
|
var targetStack = [];
|
|
|
|
function pushTarget (target) {
|
|
targetStack.push(target);
|
|
Dep.target = target;
|
|
}
|
|
|
|
function popTarget () {
|
|
targetStack.pop();
|
|
Dep.target = targetStack[targetStack.length - 1];
|
|
}
|
|
|
|
/*
|
|
* not type checking this file because flow doesn't play well with
|
|
* dynamically accessing methods on Array prototype
|
|
*/
|
|
|
|
var arrayProto = Array.prototype;
|
|
var arrayMethods = Object.create(arrayProto);
|
|
|
|
var methodsToPatch = [
|
|
'push',
|
|
'pop',
|
|
'shift',
|
|
'unshift',
|
|
'splice',
|
|
'sort',
|
|
'reverse'
|
|
];
|
|
|
|
/**
|
|
* Intercept mutating methods and emit events
|
|
*/
|
|
methodsToPatch.forEach(function (method) {
|
|
// cache original method
|
|
var original = arrayProto[method];
|
|
def(arrayMethods, method, function mutator () {
|
|
var args = [], len = arguments.length;
|
|
while ( len-- ) args[ len ] = arguments[ len ];
|
|
|
|
var result = original.apply(this, args);
|
|
var ob = this.__ob__;
|
|
var inserted;
|
|
switch (method) {
|
|
case 'push':
|
|
case 'unshift':
|
|
inserted = args;
|
|
break
|
|
case 'splice':
|
|
inserted = args.slice(2);
|
|
break
|
|
}
|
|
if (inserted) { ob.observeArray(inserted); }
|
|
// notify change
|
|
ob.dep.notify();
|
|
return result
|
|
});
|
|
});
|
|
|
|
/* */
|
|
|
|
var arrayKeys = Object.getOwnPropertyNames(arrayMethods);
|
|
|
|
/**
|
|
* In some cases we may want to disable observation inside a component's
|
|
* update computation.
|
|
*/
|
|
var shouldObserve = true;
|
|
|
|
function toggleObserving (value) {
|
|
shouldObserve = value;
|
|
}
|
|
|
|
/**
|
|
* Observer class that is attached to each observed
|
|
* object. Once attached, the observer converts the target
|
|
* object's property keys into getter/setters that
|
|
* collect dependencies and dispatch updates.
|
|
*/
|
|
var Observer = function Observer (value) {
|
|
this.value = value;
|
|
this.dep = new Dep();
|
|
this.vmCount = 0;
|
|
def(value, '__ob__', this);
|
|
if (Array.isArray(value)) {
|
|
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 = Object.keys(from);
|
|
for (var i = 0; i < keys.length; i++) {
|
|
key = keys[i];
|
|
toVal = to[key];
|
|
fromVal = from[key];
|
|
if (!hasOwn(to, key)) {
|
|
set(to, key, fromVal);
|
|
} else if (
|
|
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
|
|
) {
|
|
return childVal
|
|
? parentVal
|
|
? parentVal.concat(childVal)
|
|
: Array.isArray(childVal)
|
|
? childVal
|
|
: [childVal]
|
|
: parentVal
|
|
}
|
|
|
|
LIFECYCLE_HOOKS.forEach(function (hook) {
|
|
strats[hook] = mergeHook;
|
|
});
|
|
|
|
/**
|
|
* Assets
|
|
*
|
|
* When a vm is present (instance creation), we need to do
|
|
* a three-way merge between constructor options, instance
|
|
* options and parent options.
|
|
*/
|
|
function mergeAssets (
|
|
parentVal,
|
|
childVal,
|
|
vm,
|
|
key
|
|
) {
|
|
var res = Object.create(parentVal || null);
|
|
if (childVal) {
|
|
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$1] = parent
|
|
? parent.concat(child)
|
|
: Array.isArray(child) ? child : [child];
|
|
}
|
|
return ret
|
|
};
|
|
|
|
/**
|
|
* Other object hashes.
|
|
*/
|
|
strats.props =
|
|
strats.methods =
|
|
strats.inject =
|
|
strats.computed = function (
|
|
parentVal,
|
|
childVal,
|
|
vm,
|
|
key
|
|
) {
|
|
if (childVal && process.env.NODE_ENV !== 'production') {
|
|
assertObjectType(key, childVal, vm);
|
|
}
|
|
if (!parentVal) { return childVal }
|
|
var ret = Object.create(null);
|
|
extend(ret, parentVal);
|
|
if (childVal) { extend(ret, childVal); }
|
|
return ret
|
|
};
|
|
strats.provide = mergeDataOrFn;
|
|
|
|
/**
|
|
* Default strategy.
|
|
*/
|
|
var defaultStrat = function (parentVal, childVal) {
|
|
return childVal === undefined
|
|
? parentVal
|
|
: childVal
|
|
};
|
|
|
|
/**
|
|
* Validate component names
|
|
*/
|
|
function checkComponents (options) {
|
|
for (var key in options.components) {
|
|
validateComponentName(key);
|
|
}
|
|
}
|
|
|
|
function validateComponentName (name) {
|
|
if (!/^[a-zA-Z][\w-]*$/.test(name)) {
|
|
warn(
|
|
'Invalid component name: "' + name + '". Component names ' +
|
|
'can only contain alphanumeric characters and the hyphen, ' +
|
|
'and must start with a letter.'
|
|
);
|
|
}
|
|
if (isBuiltInTag(name) || config.isReservedTag(name)) {
|
|
warn(
|
|
'Do not use built-in or reserved HTML elements as component ' +
|
|
'id: ' + name
|
|
);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Ensure all props option syntax are normalized into the
|
|
* Object-based format.
|
|
*/
|
|
function normalizeProps (options, vm) {
|
|
var props = options.props;
|
|
if (!props) { return }
|
|
var res = {};
|
|
var i, val, name;
|
|
if (Array.isArray(props)) {
|
|
i = props.length;
|
|
while (i--) {
|
|
val = props[i];
|
|
if (typeof val === 'string') {
|
|
name = camelize(val);
|
|
res[name] = { type: null };
|
|
} else if (process.env.NODE_ENV !== 'production') {
|
|
warn('props must be strings when using array syntax.');
|
|
}
|
|
}
|
|
} else if (isPlainObject(props)) {
|
|
for (var key in props) {
|
|
val = props[key];
|
|
name = camelize(key);
|
|
res[name] = isPlainObject(val)
|
|
? val
|
|
: { type: val };
|
|
}
|
|
} else if (process.env.NODE_ENV !== 'production') {
|
|
warn(
|
|
"Invalid value for option \"props\": expected an Array or an Object, " +
|
|
"but got " + (toRawType(props)) + ".",
|
|
vm
|
|
);
|
|
}
|
|
options.props = res;
|
|
}
|
|
|
|
/**
|
|
* Normalize all injections into Object-based format
|
|
*/
|
|
function normalizeInject (options, vm) {
|
|
var inject = options.inject;
|
|
if (!inject) { return }
|
|
var normalized = options.inject = {};
|
|
if (Array.isArray(inject)) {
|
|
for (var i = 0; i < inject.length; i++) {
|
|
normalized[inject[i]] = { from: inject[i] };
|
|
}
|
|
} else if (isPlainObject(inject)) {
|
|
for (var key in inject) {
|
|
var val = inject[key];
|
|
normalized[key] = isPlainObject(val)
|
|
? extend({ from: key }, val)
|
|
: { from: val };
|
|
}
|
|
} else if (process.env.NODE_ENV !== 'production') {
|
|
warn(
|
|
"Invalid value for option \"inject\": expected an Array or an Object, " +
|
|
"but got " + (toRawType(inject)) + ".",
|
|
vm
|
|
);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Normalize raw function directives into object format.
|
|
*/
|
|
function normalizeDirectives (options) {
|
|
var dirs = options.directives;
|
|
if (dirs) {
|
|
for (var key in dirs) {
|
|
var def = dirs[key];
|
|
if (typeof def === 'function') {
|
|
dirs[key] = { bind: def, update: def };
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function assertObjectType (name, value, vm) {
|
|
if (!isPlainObject(value)) {
|
|
warn(
|
|
"Invalid value for option \"" + name + "\": expected an Object, " +
|
|
"but got " + (toRawType(value)) + ".",
|
|
vm
|
|
);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Merge two option objects into a new one.
|
|
* Core utility used in both instantiation and inheritance.
|
|
*/
|
|
function mergeOptions (
|
|
parent,
|
|
child,
|
|
vm
|
|
) {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
checkComponents(child);
|
|
}
|
|
|
|
if (typeof child === 'function') {
|
|
child = child.options;
|
|
}
|
|
|
|
normalizeProps(child, vm);
|
|
normalizeInject(child, vm);
|
|
normalizeDirectives(child);
|
|
|
|
// Apply extends and mixins on the child options,
|
|
// but only if it is a raw options object that isn't
|
|
// the result of another mergeOptions call.
|
|
// Only merged options has the _base property.
|
|
if (!child._base) {
|
|
if (child.extends) {
|
|
parent = mergeOptions(parent, child.extends, vm);
|
|
}
|
|
if (child.mixins) {
|
|
for (var i = 0, l = child.mixins.length; i < l; i++) {
|
|
parent = mergeOptions(parent, child.mixins[i], vm);
|
|
}
|
|
}
|
|
}
|
|
|
|
var options = {};
|
|
var key;
|
|
for (key in parent) {
|
|
mergeField(key);
|
|
}
|
|
for (key in child) {
|
|
if (!hasOwn(parent, key)) {
|
|
mergeField(key);
|
|
}
|
|
}
|
|
function mergeField (key) {
|
|
var strat = strats[key] || defaultStrat;
|
|
options[key] = strat(parent[key], child[key], vm, key);
|
|
}
|
|
return options
|
|
}
|
|
|
|
/**
|
|
* Resolve an asset.
|
|
* This function is used because child instances need access
|
|
* to assets defined in its ancestor chain.
|
|
*/
|
|
function resolveAsset (
|
|
options,
|
|
type,
|
|
id,
|
|
warnMissing
|
|
) {
|
|
/* istanbul ignore if */
|
|
if (typeof id !== 'string') {
|
|
return
|
|
}
|
|
var assets = options[type];
|
|
// check local registration variations first
|
|
if (hasOwn(assets, id)) { return assets[id] }
|
|
var camelizedId = camelize(id);
|
|
if (hasOwn(assets, camelizedId)) { return assets[camelizedId] }
|
|
var PascalCaseId = capitalize(camelizedId);
|
|
if (hasOwn(assets, PascalCaseId)) { return assets[PascalCaseId] }
|
|
// fallback to prototype chain
|
|
var res = assets[id] || assets[camelizedId] || assets[PascalCaseId];
|
|
if (process.env.NODE_ENV !== 'production' && warnMissing && !res) {
|
|
warn(
|
|
'Failed to resolve ' + type.slice(0, -1) + ': ' + id,
|
|
options
|
|
);
|
|
}
|
|
return res
|
|
}
|
|
|
|
/* */
|
|
|
|
|
|
|
|
function validateProp (
|
|
key,
|
|
propOptions,
|
|
propsData,
|
|
vm
|
|
) {
|
|
var prop = propOptions[key];
|
|
var absent = !hasOwn(propsData, key);
|
|
var value = propsData[key];
|
|
// boolean casting
|
|
var booleanIndex = getTypeIndex(Boolean, prop.type);
|
|
if (booleanIndex > -1) {
|
|
if (absent && !hasOwn(prop, 'default')) {
|
|
value = false;
|
|
} else if (value === '' || value === hyphenate(key)) {
|
|
// only cast empty string / same name to boolean if
|
|
// boolean has higher priority
|
|
var stringIndex = getTypeIndex(String, prop.type);
|
|
if (stringIndex < 0 || booleanIndex < stringIndex) {
|
|
value = true;
|
|
}
|
|
}
|
|
}
|
|
// check default value
|
|
if (value === undefined) {
|
|
value = getPropDefaultValue(vm, prop, key);
|
|
// since the default value is a fresh copy,
|
|
// make sure to observe it.
|
|
var prevShouldObserve = shouldObserve;
|
|
toggleObserving(true);
|
|
observe(value);
|
|
toggleObserving(prevShouldObserve);
|
|
}
|
|
if (
|
|
process.env.NODE_ENV !== 'production' &&
|
|
// skip validation for weex recycle-list child component props
|
|
!(false)
|
|
) {
|
|
assertProp(prop, key, value, vm, absent);
|
|
}
|
|
return value
|
|
}
|
|
|
|
/**
|
|
* Get the default value of a prop.
|
|
*/
|
|
function getPropDefaultValue (vm, prop, key) {
|
|
// no default, return undefined
|
|
if (!hasOwn(prop, 'default')) {
|
|
return undefined
|
|
}
|
|
var def = prop.default;
|
|
// warn against non-factory defaults for Object & Array
|
|
if (process.env.NODE_ENV !== 'production' && isObject(def)) {
|
|
warn(
|
|
'Invalid default value for prop "' + key + '": ' +
|
|
'Props with type Object/Array must use a factory function ' +
|
|
'to return the default value.',
|
|
vm
|
|
);
|
|
}
|
|
// the raw prop value was also undefined from previous render,
|
|
// return previous default value to avoid unnecessary watcher trigger
|
|
if (vm && vm.$options.propsData &&
|
|
vm.$options.propsData[key] === undefined &&
|
|
vm._props[key] !== undefined
|
|
) {
|
|
return vm._props[key]
|
|
}
|
|
// call factory function for non-Function types
|
|
// a value is Function if its prototype is function even across different execution context
|
|
return typeof def === 'function' && getType(prop.type) !== 'Function'
|
|
? def.call(vm)
|
|
: def
|
|
}
|
|
|
|
/**
|
|
* Assert whether a prop is valid.
|
|
*/
|
|
function assertProp (
|
|
prop,
|
|
name,
|
|
value,
|
|
vm,
|
|
absent
|
|
) {
|
|
if (prop.required && absent) {
|
|
warn(
|
|
'Missing required prop: "' + name + '"',
|
|
vm
|
|
);
|
|
return
|
|
}
|
|
if (value == null && !prop.required) {
|
|
return
|
|
}
|
|
var type = prop.type;
|
|
var valid = !type || type === true;
|
|
var expectedTypes = [];
|
|
if (type) {
|
|
if (!Array.isArray(type)) {
|
|
type = [type];
|
|
}
|
|
for (var i = 0; i < type.length && !valid; i++) {
|
|
var assertedType = assertType(value, type[i]);
|
|
expectedTypes.push(assertedType.expectedType || '');
|
|
valid = assertedType.valid;
|
|
}
|
|
}
|
|
|
|
if (!valid) {
|
|
warn(
|
|
getInvalidTypeMessage(name, value, expectedTypes),
|
|
vm
|
|
);
|
|
return
|
|
}
|
|
var validator = prop.validator;
|
|
if (validator) {
|
|
if (!validator(value)) {
|
|
warn(
|
|
'Invalid prop: custom validator check failed for prop "' + name + '".',
|
|
vm
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
var simpleCheckRE = /^(String|Number|Boolean|Function|Symbol)$/;
|
|
|
|
function assertType (value, type) {
|
|
var valid;
|
|
var expectedType = getType(type);
|
|
if (simpleCheckRE.test(expectedType)) {
|
|
var t = typeof value;
|
|
valid = t === expectedType.toLowerCase();
|
|
// for primitive wrapper objects
|
|
if (!valid && t === 'object') {
|
|
valid = value instanceof type;
|
|
}
|
|
} else if (expectedType === 'Object') {
|
|
valid = isPlainObject(value);
|
|
} else if (expectedType === 'Array') {
|
|
valid = Array.isArray(value);
|
|
} else {
|
|
valid = value instanceof type;
|
|
}
|
|
return {
|
|
valid: valid,
|
|
expectedType: expectedType
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Use function string name to check built-in types,
|
|
* because a simple equality check will fail when running
|
|
* across different vms / iframes.
|
|
*/
|
|
function getType (fn) {
|
|
var match = fn && fn.toString().match(/^\s*function (\w+)/);
|
|
return match ? match[1] : ''
|
|
}
|
|
|
|
function isSameType (a, b) {
|
|
return getType(a) === getType(b)
|
|
}
|
|
|
|
function getTypeIndex (type, expectedTypes) {
|
|
if (!Array.isArray(expectedTypes)) {
|
|
return isSameType(expectedTypes, type) ? 0 : -1
|
|
}
|
|
for (var i = 0, len = expectedTypes.length; i < len; i++) {
|
|
if (isSameType(expectedTypes[i], type)) {
|
|
return i
|
|
}
|
|
}
|
|
return -1
|
|
}
|
|
|
|
function getInvalidTypeMessage (name, value, expectedTypes) {
|
|
var message = "Invalid prop: type check failed for prop \"" + name + "\"." +
|
|
" Expected " + (expectedTypes.map(capitalize).join(', '));
|
|
var expectedType = expectedTypes[0];
|
|
var receivedType = toRawType(value);
|
|
var expectedValue = styleValue(value, expectedType);
|
|
var receivedValue = styleValue(value, receivedType);
|
|
// check if we need to specify expected value
|
|
if (expectedTypes.length === 1 &&
|
|
isExplicable(expectedType) &&
|
|
!isBoolean(expectedType, receivedType)) {
|
|
message += " with value " + expectedValue;
|
|
}
|
|
message += ", got " + receivedType + " ";
|
|
// check if we need to specify received value
|
|
if (isExplicable(receivedType)) {
|
|
message += "with value " + receivedValue + ".";
|
|
}
|
|
return message
|
|
}
|
|
|
|
function styleValue (value, type) {
|
|
if (type === 'String') {
|
|
return ("\"" + value + "\"")
|
|
} else if (type === 'Number') {
|
|
return ("" + (Number(value)))
|
|
} else {
|
|
return ("" + value)
|
|
}
|
|
}
|
|
|
|
function isExplicable (value) {
|
|
var explicitTypes = ['string', 'number', 'boolean'];
|
|
return explicitTypes.some(function (elem) { return value.toLowerCase() === elem; })
|
|
}
|
|
|
|
function isBoolean () {
|
|
var args = [], len = arguments.length;
|
|
while ( len-- ) args[ len ] = arguments[ len ];
|
|
|
|
return args.some(function (elem) { return elem.toLowerCase() === 'boolean'; })
|
|
}
|
|
|
|
/* */
|
|
|
|
function handleError (err, vm, info) {
|
|
if (vm) {
|
|
var cur = vm;
|
|
while ((cur = cur.$parent)) {
|
|
var hooks = cur.$options.errorCaptured;
|
|
if (hooks) {
|
|
for (var i = 0; i < hooks.length; i++) {
|
|
try {
|
|
var capture = hooks[i].call(cur, err, vm, info) === false;
|
|
if (capture) { return }
|
|
} catch (e) {
|
|
globalHandleError(e, cur, 'errorCaptured hook');
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
globalHandleError(err, vm, info);
|
|
}
|
|
|
|
function globalHandleError (err, vm, info) {
|
|
logError(err, vm, info);
|
|
}
|
|
|
|
function logError (err, vm, info) {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
warn(("Error in " + info + ": \"" + (err.toString()) + "\""), vm);
|
|
}
|
|
/* istanbul ignore else */
|
|
if ((inBrowser || inWeex) && typeof console !== 'undefined') {
|
|
console.error(err);
|
|
} else {
|
|
throw err
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
var callbacks = [];
|
|
|
|
function flushCallbacks () {
|
|
var copies = callbacks.slice(0);
|
|
callbacks.length = 0;
|
|
for (var i = 0; i < copies.length; i++) {
|
|
copies[i]();
|
|
}
|
|
}
|
|
|
|
// Determine (macro) task defer implementation.
|
|
// Technically setImmediate should be the ideal choice, but it's only available
|
|
// in IE. The only polyfill that consistently queues the callback after all DOM
|
|
// events triggered in the same loop is by using MessageChannel.
|
|
/* istanbul ignore if */
|
|
if (typeof setImmediate !== 'undefined' && isNative(setImmediate)) ; else if (typeof MessageChannel !== 'undefined' && (
|
|
isNative(MessageChannel) ||
|
|
// PhantomJS
|
|
MessageChannel.toString() === '[object MessageChannelConstructor]'
|
|
)) {
|
|
var channel = new MessageChannel();
|
|
channel.port1.onmessage = flushCallbacks;
|
|
}
|
|
|
|
// Determine microtask defer implementation.
|
|
/* istanbul ignore next, $flow-disable-line */
|
|
if (typeof Promise !== 'undefined' && isNative(Promise)) ;
|
|
|
|
/* */
|
|
|
|
/* */
|
|
|
|
function genClassForVnode (vnode) {
|
|
var data = vnode.data;
|
|
var parentNode = vnode;
|
|
var childNode = vnode;
|
|
while (isDef(childNode.componentInstance)) {
|
|
childNode = childNode.componentInstance._vnode;
|
|
if (childNode && childNode.data) {
|
|
data = mergeClassData(childNode.data, data);
|
|
}
|
|
}
|
|
while (isDef(parentNode = parentNode.parent)) {
|
|
if (parentNode && parentNode.data) {
|
|
data = mergeClassData(data, parentNode.data);
|
|
}
|
|
}
|
|
return renderClass(data.staticClass, data.class)
|
|
}
|
|
|
|
function mergeClassData (child, parent) {
|
|
return {
|
|
staticClass: concat(child.staticClass, parent.staticClass),
|
|
class: isDef(child.class)
|
|
? [child.class, parent.class]
|
|
: parent.class
|
|
}
|
|
}
|
|
|
|
function renderClass (
|
|
staticClass,
|
|
dynamicClass
|
|
) {
|
|
if (isDef(staticClass) || isDef(dynamicClass)) {
|
|
return concat(staticClass, stringifyClass(dynamicClass))
|
|
}
|
|
/* istanbul ignore next */
|
|
return ''
|
|
}
|
|
|
|
function concat (a, b) {
|
|
return a ? b ? (a + ' ' + b) : a : (b || '')
|
|
}
|
|
|
|
function stringifyClass (value) {
|
|
if (Array.isArray(value)) {
|
|
return stringifyArray(value)
|
|
}
|
|
if (isObject(value)) {
|
|
return stringifyObject(value)
|
|
}
|
|
if (typeof value === 'string') {
|
|
return value
|
|
}
|
|
/* istanbul ignore next */
|
|
return ''
|
|
}
|
|
|
|
function stringifyArray (value) {
|
|
var res = '';
|
|
var stringified;
|
|
for (var i = 0, l = value.length; i < l; i++) {
|
|
if (isDef(stringified = stringifyClass(value[i])) && stringified !== '') {
|
|
if (res) { res += ' '; }
|
|
res += stringified;
|
|
}
|
|
}
|
|
return res
|
|
}
|
|
|
|
function stringifyObject (value) {
|
|
var res = '';
|
|
for (var key in value) {
|
|
if (value[key]) {
|
|
if (res) { res += ' '; }
|
|
res += key;
|
|
}
|
|
}
|
|
return res
|
|
}
|
|
|
|
/* */
|
|
|
|
var 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');
|
|
|
|
/* */
|
|
|
|
/* */
|
|
|
|
function renderClass$1 (node) {
|
|
var classList = genClassForVnode(node);
|
|
if (classList !== '') {
|
|
return (" class=\"" + (escape(classList)) + "\"")
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
var parseStyleText = cached(function (cssText) {
|
|
var res = {};
|
|
var listDelimiter = /;(?![^(]*\))/g;
|
|
var propertyDelimiter = /:(.+)/;
|
|
cssText.split(listDelimiter).forEach(function (item) {
|
|
if (item) {
|
|
var tmp = item.split(propertyDelimiter);
|
|
tmp.length > 1 && (res[tmp[0].trim()] = tmp[1].trim());
|
|
}
|
|
});
|
|
return res
|
|
});
|
|
|
|
// merge static and dynamic style data on the same vnode
|
|
function normalizeStyleData (data) {
|
|
var style = normalizeStyleBinding(data.style);
|
|
// static style is pre-processed into an object during compilation
|
|
// and is always a fresh object, so it's safe to merge into it
|
|
return data.staticStyle
|
|
? extend(data.staticStyle, style)
|
|
: style
|
|
}
|
|
|
|
// normalize possible array / string values into Object
|
|
function normalizeStyleBinding (bindingStyle) {
|
|
if (Array.isArray(bindingStyle)) {
|
|
return toObject(bindingStyle)
|
|
}
|
|
if (typeof bindingStyle === 'string') {
|
|
return parseStyleText(bindingStyle)
|
|
}
|
|
return bindingStyle
|
|
}
|
|
|
|
/**
|
|
* parent component style should be after child's
|
|
* so that parent component's style could override it
|
|
*/
|
|
function getStyle (vnode, checkChild) {
|
|
var res = {};
|
|
var styleData;
|
|
|
|
if (checkChild) {
|
|
var childNode = vnode;
|
|
while (childNode.componentInstance) {
|
|
childNode = childNode.componentInstance._vnode;
|
|
if (
|
|
childNode && childNode.data &&
|
|
(styleData = normalizeStyleData(childNode.data))
|
|
) {
|
|
extend(res, styleData);
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((styleData = normalizeStyleData(vnode.data))) {
|
|
extend(res, styleData);
|
|
}
|
|
|
|
var parentNode = vnode;
|
|
while ((parentNode = parentNode.parent)) {
|
|
if (parentNode.data && (styleData = normalizeStyleData(parentNode.data))) {
|
|
extend(res, styleData);
|
|
}
|
|
}
|
|
return res
|
|
}
|
|
|
|
/* */
|
|
|
|
function genStyle (style) {
|
|
var styleText = '';
|
|
for (var key in style) {
|
|
var value = style[key];
|
|
var hyphenatedKey = hyphenate(key);
|
|
if (Array.isArray(value)) {
|
|
for (var i = 0, len = value.length; i < len; i++) {
|
|
styleText += hyphenatedKey + ":" + (value[i]) + ";";
|
|
}
|
|
} else {
|
|
styleText += hyphenatedKey + ":" + value + ";";
|
|
}
|
|
}
|
|
return styleText
|
|
}
|
|
|
|
function renderStyle (vnode) {
|
|
var styleText = genStyle(getStyle(vnode, false));
|
|
if (styleText !== '') {
|
|
return (" style=" + (JSON.stringify(escape(styleText))))
|
|
}
|
|
}
|
|
|
|
var modules = [
|
|
renderAttrs,
|
|
renderDOMProps,
|
|
renderClass$1,
|
|
renderStyle
|
|
];
|
|
|
|
/* */
|
|
|
|
function show (node, dir) {
|
|
if (!dir.value) {
|
|
var style = node.data.style || (node.data.style = {});
|
|
if (Array.isArray(style)) {
|
|
style.push({ display: 'none' });
|
|
} else {
|
|
style.display = 'none';
|
|
}
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
// this is only applied for <select v-model> because it is the only edge case
|
|
// that must be done at runtime instead of compile time.
|
|
function model (node, dir) {
|
|
if (!node.children) { return }
|
|
var value = dir.value;
|
|
var isMultiple = node.data.attrs && node.data.attrs.multiple;
|
|
for (var i = 0, l = node.children.length; i < l; i++) {
|
|
var option = node.children[i];
|
|
if (option.tag === 'option') {
|
|
if (isMultiple) {
|
|
var selected =
|
|
Array.isArray(value) &&
|
|
(looseIndexOf(value, getValue(option)) > -1);
|
|
if (selected) {
|
|
setSelected(option);
|
|
}
|
|
} else {
|
|
if (looseEqual(value, getValue(option))) {
|
|
setSelected(option);
|
|
return
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function getValue (option) {
|
|
var data = option.data || {};
|
|
return (
|
|
(data.attrs && data.attrs.value) ||
|
|
(data.domProps && data.domProps.value) ||
|
|
(option.children && option.children[0] && option.children[0].text)
|
|
)
|
|
}
|
|
|
|
function setSelected (option) {
|
|
var data = option.data || (option.data = {});
|
|
var attrs = data.attrs || (data.attrs = {});
|
|
attrs.selected = '';
|
|
}
|
|
|
|
var baseDirectives = {
|
|
show: show,
|
|
model: model
|
|
};
|
|
|
|
/* */
|
|
|
|
var isUnaryTag = makeMap(
|
|
'area,base,br,col,embed,frame,hr,img,input,isindex,keygen,' +
|
|
'link,meta,param,source,track,wbr'
|
|
);
|
|
|
|
// Elements that you can, intentionally, leave open
|
|
// (and which close themselves)
|
|
var canBeLeftOpenTag = makeMap(
|
|
'colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr,source'
|
|
);
|
|
|
|
// HTML5 tags https://html.spec.whatwg.org/multipage/indices.html#elements-3
|
|
// Phrasing Content https://html.spec.whatwg.org/multipage/dom.html#phrasing-content
|
|
var isNonPhrasingTag = makeMap(
|
|
'address,article,aside,base,blockquote,body,caption,col,colgroup,dd,' +
|
|
'details,dialog,div,dl,dt,fieldset,figcaption,figure,footer,form,' +
|
|
'h1,h2,h3,h4,h5,h6,head,header,hgroup,hr,html,legend,li,menuitem,meta,' +
|
|
'optgroup,option,param,rp,rt,source,style,summary,tbody,td,tfoot,th,thead,' +
|
|
'title,tr,track'
|
|
);
|
|
|
|
/* */
|
|
|
|
var MAX_STACK_DEPTH = 900;
|
|
var noop$1 = function (_) { return _; };
|
|
|
|
var defer = typeof process !== 'undefined' && process.nextTick
|
|
? process.nextTick
|
|
: typeof Promise !== 'undefined'
|
|
? function (fn) { return Promise.resolve().then(fn); }
|
|
: typeof setTimeout !== 'undefined'
|
|
? setTimeout
|
|
: noop$1;
|
|
|
|
if (defer === noop$1) {
|
|
throw new Error(
|
|
'Your JavaScript runtime does not support any asynchronous primitives ' +
|
|
'that are required by vue-server-renderer. Please use a polyfill for ' +
|
|
'either Promise or setTimeout.'
|
|
)
|
|
}
|
|
|
|
function createWriteFunction (
|
|
write,
|
|
onError
|
|
) {
|
|
var stackDepth = 0;
|
|
var cachedWrite = function (text, next) {
|
|
if (text && cachedWrite.caching) {
|
|
cachedWrite.cacheBuffer[cachedWrite.cacheBuffer.length - 1] += text;
|
|
}
|
|
var waitForNext = write(text, next);
|
|
if (waitForNext !== true) {
|
|
if (stackDepth >= MAX_STACK_DEPTH) {
|
|
defer(function () {
|
|
try { next(); } catch (e) {
|
|
onError(e);
|
|
}
|
|
});
|
|
} else {
|
|
stackDepth++;
|
|
next();
|
|
stackDepth--;
|
|
}
|
|
}
|
|
};
|
|
cachedWrite.caching = false;
|
|
cachedWrite.cacheBuffer = [];
|
|
cachedWrite.componentBuffer = [];
|
|
return cachedWrite
|
|
}
|
|
|
|
/* */
|
|
|
|
/**
|
|
* Original RenderStream implementation by Sasha Aickin (@aickin)
|
|
* Licensed under the Apache License, Version 2.0
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Modified by Evan You (@yyx990803)
|
|
*/
|
|
|
|
var stream = require('stream');
|
|
|
|
var RenderStream = /*@__PURE__*/(function (superclass) {
|
|
function RenderStream (render) {
|
|
var this$1 = this;
|
|
|
|
superclass.call(this);
|
|
this.buffer = '';
|
|
this.render = render;
|
|
this.expectedSize = 0;
|
|
|
|
this.write = createWriteFunction(function (text, next) {
|
|
var n = this$1.expectedSize;
|
|
this$1.buffer += text;
|
|
if (this$1.buffer.length >= n) {
|
|
this$1.next = next;
|
|
this$1.pushBySize(n);
|
|
return true // we will decide when to call next
|
|
}
|
|
return false
|
|
}, function (err) {
|
|
this$1.emit('error', err);
|
|
});
|
|
|
|
this.end = function () {
|
|
// the rendering is finished; we should push out the last of the buffer.
|
|
this$1.done = true;
|
|
this$1.push(this$1.buffer);
|
|
};
|
|
}
|
|
|
|
if ( superclass ) RenderStream.__proto__ = superclass;
|
|
RenderStream.prototype = Object.create( superclass && superclass.prototype );
|
|
RenderStream.prototype.constructor = RenderStream;
|
|
|
|
RenderStream.prototype.pushBySize = function pushBySize (n) {
|
|
var bufferToPush = this.buffer.substring(0, n);
|
|
this.buffer = this.buffer.substring(n);
|
|
this.push(bufferToPush);
|
|
};
|
|
|
|
RenderStream.prototype.tryRender = function tryRender () {
|
|
try {
|
|
this.render(this.write, this.end);
|
|
} catch (e) {
|
|
this.emit('error', e);
|
|
}
|
|
};
|
|
|
|
RenderStream.prototype.tryNext = function tryNext () {
|
|
try {
|
|
this.next();
|
|
} catch (e) {
|
|
this.emit('error', e);
|
|
}
|
|
};
|
|
|
|
RenderStream.prototype._read = function _read (n) {
|
|
this.expectedSize = n;
|
|
// it's possible that the last chunk added bumped the buffer up to > 2 * n,
|
|
// which means we will need to go through multiple read calls to drain it
|
|
// down to < n.
|
|
if (isTrue(this.done)) {
|
|
this.push(null);
|
|
return
|
|
}
|
|
if (this.buffer.length >= n) {
|
|
this.pushBySize(n);
|
|
return
|
|
}
|
|
if (isUndef(this.next)) {
|
|
// start the rendering chain.
|
|
this.tryRender();
|
|
} else {
|
|
// continue with the rendering.
|
|
this.tryNext();
|
|
}
|
|
};
|
|
|
|
return RenderStream;
|
|
}(stream.Readable));
|
|
|
|
/* */
|
|
|
|
|
|
|
|
var RenderContext = function RenderContext (options) {
|
|
this.userContext = options.userContext;
|
|
this.activeInstance = options.activeInstance;
|
|
this.renderStates = [];
|
|
|
|
this.write = options.write;
|
|
this.done = options.done;
|
|
this.renderNode = options.renderNode;
|
|
|
|
this.isUnaryTag = options.isUnaryTag;
|
|
this.modules = options.modules;
|
|
this.directives = options.directives;
|
|
|
|
var cache = options.cache;
|
|
if (cache && (!cache.get || !cache.set)) {
|
|
throw new Error('renderer cache must implement at least get & set.')
|
|
}
|
|
this.cache = cache;
|
|
this.get = cache && normalizeAsync(cache, 'get');
|
|
this.has = cache && normalizeAsync(cache, 'has');
|
|
|
|
this.next = this.next.bind(this);
|
|
};
|
|
|
|
RenderContext.prototype.next = function next () {
|
|
// eslint-disable-next-line
|
|
while (true) {
|
|
var lastState = this.renderStates[this.renderStates.length - 1];
|
|
if (isUndef(lastState)) {
|
|
return this.done()
|
|
}
|
|
/* eslint-disable no-case-declarations */
|
|
switch (lastState.type) {
|
|
case 'Element':
|
|
case 'Fragment':
|
|
var children = lastState.children;
|
|
var total = lastState.total;
|
|
var rendered = lastState.rendered++;
|
|
if (rendered < total) {
|
|
return this.renderNode(children[rendered], false, this)
|
|
} else {
|
|
this.renderStates.pop();
|
|
if (lastState.type === 'Element') {
|
|
return this.write(lastState.endTag, this.next)
|
|
}
|
|
}
|
|
break
|
|
case 'Component':
|
|
this.renderStates.pop();
|
|
this.activeInstance = lastState.prevActive;
|
|
break
|
|
case 'ComponentWithCache':
|
|
this.renderStates.pop();
|
|
var buffer = lastState.buffer;
|
|
var bufferIndex = lastState.bufferIndex;
|
|
var componentBuffer = lastState.componentBuffer;
|
|
var key = lastState.key;
|
|
var result = {
|
|
html: buffer[bufferIndex],
|
|
components: componentBuffer[bufferIndex]
|
|
};
|
|
this.cache.set(key, result);
|
|
if (bufferIndex === 0) {
|
|
// this is a top-level cached component,
|
|
// exit caching mode.
|
|
this.write.caching = false;
|
|
} else {
|
|
// parent component is also being cached,
|
|
// merge self into parent's result
|
|
buffer[bufferIndex - 1] += result.html;
|
|
var prev = componentBuffer[bufferIndex - 1];
|
|
result.components.forEach(function (c) { return prev.add(c); });
|
|
}
|
|
buffer.length = bufferIndex;
|
|
componentBuffer.length = bufferIndex;
|
|
break
|
|
}
|
|
}
|
|
};
|
|
|
|
function normalizeAsync (cache, method) {
|
|
var fn = cache[method];
|
|
if (isUndef(fn)) {
|
|
return
|
|
} else if (fn.length > 1) {
|
|
return function (key, cb) { return fn.call(cache, key, cb); }
|
|
} else {
|
|
return function (key, cb) { return cb(fn.call(cache, key)); }
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
var 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
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
function baseWarn (msg) {
|
|
console.error(("[Vue compiler]: " + msg));
|
|
}
|
|
|
|
function pluckModuleFunction (
|
|
modules,
|
|
key
|
|
) {
|
|
return modules
|
|
? modules.map(function (m) { return m[key]; }).filter(function (_) { return _; })
|
|
: []
|
|
}
|
|
|
|
function addProp (el, name, value) {
|
|
(el.props || (el.props = [])).push({ name: name, value: value });
|
|
el.plain = false;
|
|
}
|
|
|
|
function addAttr (el, name, value) {
|
|
(el.attrs || (el.attrs = [])).push({ name: name, value: value });
|
|
el.plain = false;
|
|
}
|
|
|
|
// add a raw attr (use this in preTransforms)
|
|
function addRawAttr (el, name, value) {
|
|
el.attrsMap[name] = value;
|
|
el.attrsList.push({ name: name, value: value });
|
|
}
|
|
|
|
function addDirective (
|
|
el,
|
|
name,
|
|
rawName,
|
|
value,
|
|
arg,
|
|
modifiers
|
|
) {
|
|
(el.directives || (el.directives = [])).push({ name: name, rawName: rawName, value: value, arg: arg, modifiers: modifiers });
|
|
el.plain = false;
|
|
}
|
|
|
|
function addHandler (
|
|
el,
|
|
name,
|
|
value,
|
|
modifiers,
|
|
important,
|
|
warn
|
|
) {
|
|
modifiers = modifiers || emptyObject;
|
|
// warn prevent and passive modifier
|
|
/* istanbul ignore if */
|
|
if (
|
|
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.'
|
|
);
|
|
}
|
|
|
|
// normalize click.right and click.middle since they don't actually fire
|
|
// this is technically browser-specific, but at least for now browsers are
|
|
// the only target envs that have right/middle clicks.
|
|
if (name === 'click') {
|
|
if (modifiers.right) {
|
|
name = 'contextmenu';
|
|
delete modifiers.right;
|
|
} else if (modifiers.middle) {
|
|
name = 'mouseup';
|
|
}
|
|
}
|
|
|
|
// check capture modifier
|
|
if (modifiers.capture) {
|
|
delete modifiers.capture;
|
|
name = '!' + name; // mark the event as captured
|
|
}
|
|
if (modifiers.once) {
|
|
delete modifiers.once;
|
|
name = '~' + name; // mark the event as once
|
|
}
|
|
/* istanbul ignore if */
|
|
if (modifiers.passive) {
|
|
delete modifiers.passive;
|
|
name = '&' + name; // mark the event as passive
|
|
}
|
|
|
|
var events;
|
|
if (modifiers.native) {
|
|
delete modifiers.native;
|
|
events = el.nativeEvents || (el.nativeEvents = {});
|
|
} else {
|
|
events = el.events || (el.events = {});
|
|
}
|
|
|
|
var newHandler = {
|
|
value: value.trim()
|
|
};
|
|
if (modifiers !== emptyObject) {
|
|
newHandler.modifiers = modifiers;
|
|
}
|
|
|
|
var handlers = events[name];
|
|
/* istanbul ignore if */
|
|
if (Array.isArray(handlers)) {
|
|
important ? handlers.unshift(newHandler) : handlers.push(newHandler);
|
|
} else if (handlers) {
|
|
events[name] = important ? [newHandler, handlers] : [handlers, newHandler];
|
|
} else {
|
|
events[name] = newHandler;
|
|
}
|
|
|
|
el.plain = false;
|
|
}
|
|
|
|
function getBindingAttr (
|
|
el,
|
|
name,
|
|
getStatic
|
|
) {
|
|
var dynamicValue =
|
|
getAndRemoveAttr(el, ':' + name) ||
|
|
getAndRemoveAttr(el, 'v-bind:' + name);
|
|
if (dynamicValue != null) {
|
|
return parseFilters(dynamicValue)
|
|
} else if (getStatic !== false) {
|
|
var staticValue = getAndRemoveAttr(el, name);
|
|
if (staticValue != null) {
|
|
return JSON.stringify(staticValue)
|
|
}
|
|
}
|
|
}
|
|
|
|
// note: this only removes the attr from the Array (attrsList) so that it
|
|
// doesn't get processed by processAttrs.
|
|
// By default it does NOT remove it from the map (attrsMap) because the map is
|
|
// needed during codegen.
|
|
function getAndRemoveAttr (
|
|
el,
|
|
name,
|
|
removeFromMap
|
|
) {
|
|
var val;
|
|
if ((val = el.attrsMap[name]) != null) {
|
|
var list = el.attrsList;
|
|
for (var i = 0, l = list.length; i < l; i++) {
|
|
if (list[i].name === name) {
|
|
list.splice(i, 1);
|
|
break
|
|
}
|
|
}
|
|
}
|
|
if (removeFromMap) {
|
|
delete el.attrsMap[name];
|
|
}
|
|
return val
|
|
}
|
|
|
|
/* */
|
|
|
|
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">.'
|
|
);
|
|
}
|
|
}
|
|
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
|
|
};
|
|
|
|
/* */
|
|
|
|
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.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
|
|
};
|
|
|
|
/**
|
|
* Not type-checking this file because it's mostly vendor code.
|
|
*/
|
|
|
|
// Regular Expressions for parsing tags and attributes
|
|
var attribute = /^\s*([^\s"'<>\/=]+)(?:\s*(=)\s*(?:"([^"]*)"+|'([^']*)'+|([^\s"'=<>`]+)))?/;
|
|
// could use https://www.w3.org/TR/1999/REC-xml-names-19990114/#NT-QName
|
|
// but for Vue templates we can enforce a simple charset
|
|
var ncname = '[a-zA-Z_][\\w\\-\\.]*';
|
|
var qnameCapture = "((?:" + ncname + "\\:)?" + ncname + ")";
|
|
var startTagOpen = new RegExp(("^<" + qnameCapture));
|
|
var startTagClose = /^\s*(\/?)>/;
|
|
var endTag = new RegExp(("^<\\/" + qnameCapture + "[^>]*>"));
|
|
var doctype = /^<!DOCTYPE [^>]+>/i;
|
|
// #7298: escape - to avoid being pased as HTML comment when inlined in page
|
|
var comment = /^<!\--/;
|
|
var conditionalComment = /^<!\[/;
|
|
|
|
// Special Elements (can contain anything)
|
|
var isPlainTextElement = makeMap('script,style,textarea', true);
|
|
var reCache = {};
|
|
|
|
var decodingMap = {
|
|
'<': '<',
|
|
'>': '>',
|
|
'"': '"',
|
|
'&': '&',
|
|
' ': '\n',
|
|
'	': '\t'
|
|
};
|
|
var encodedAttr = /&(?:lt|gt|quot|amp);/g;
|
|
var encodedAttrWithNewLines = /&(?:lt|gt|quot|amp|#10|#9);/g;
|
|
|
|
// #5992
|
|
var isIgnoreNewlineTag = makeMap('pre,textarea', true);
|
|
var shouldIgnoreFirstNewline = function (tag, html) { return tag && isIgnoreNewlineTag(tag) && html[0] === '\n'; };
|
|
|
|
function decodeAttr (value, shouldDecodeNewlines) {
|
|
var re = shouldDecodeNewlines ? encodedAttrWithNewLines : encodedAttr;
|
|
return value.replace(re, function (match) { return decodingMap[match]; })
|
|
}
|
|
|
|
function parseHTML (html, options) {
|
|
var stack = [];
|
|
var expectHTML = options.expectHTML;
|
|
var isUnaryTag$$1 = options.isUnaryTag || no;
|
|
var canBeLeftOpenTag$$1 = options.canBeLeftOpenTag || no;
|
|
var index = 0;
|
|
var last, lastTag;
|
|
while (html) {
|
|
last = html;
|
|
// Make sure we're not in a plaintext content element like script/style
|
|
if (!lastTag || !isPlainTextElement(lastTag)) {
|
|
var textEnd = html.indexOf('<');
|
|
if (textEnd === 0) {
|
|
// Comment:
|
|
if (comment.test(html)) {
|
|
var commentEnd = html.indexOf('-->');
|
|
|
|
if (commentEnd >= 0) {
|
|
if (options.shouldKeepComment) {
|
|
options.comment(html.substring(4, commentEnd));
|
|
}
|
|
advance(commentEnd + 3);
|
|
continue
|
|
}
|
|
}
|
|
|
|
// http://en.wikipedia.org/wiki/Conditional_comment#Downlevel-revealed_conditional_comment
|
|
if (conditionalComment.test(html)) {
|
|
var conditionalEnd = html.indexOf(']>');
|
|
|
|
if (conditionalEnd >= 0) {
|
|
advance(conditionalEnd + 2);
|
|
continue
|
|
}
|
|
}
|
|
|
|
// Doctype:
|
|
var doctypeMatch = html.match(doctype);
|
|
if (doctypeMatch) {
|
|
advance(doctypeMatch[0].length);
|
|
continue
|
|
}
|
|
|
|
// End tag:
|
|
var endTagMatch = html.match(endTag);
|
|
if (endTagMatch) {
|
|
var curIndex = index;
|
|
advance(endTagMatch[0].length);
|
|
parseEndTag(endTagMatch[1], curIndex, index);
|
|
continue
|
|
}
|
|
|
|
// Start tag:
|
|
var startTagMatch = parseStartTag();
|
|
if (startTagMatch) {
|
|
handleStartTag(startTagMatch);
|
|
if (shouldIgnoreFirstNewline(startTagMatch.tagName, html)) {
|
|
advance(1);
|
|
}
|
|
continue
|
|
}
|
|
}
|
|
|
|
var text = (void 0), rest = (void 0), next = (void 0);
|
|
if (textEnd >= 0) {
|
|
rest = html.slice(textEnd);
|
|
while (
|
|
!endTag.test(rest) &&
|
|
!startTagOpen.test(rest) &&
|
|
!comment.test(rest) &&
|
|
!conditionalComment.test(rest)
|
|
) {
|
|
// < in plain text, be forgiving and treat it as text
|
|
next = rest.indexOf('<', 1);
|
|
if (next < 0) { break }
|
|
textEnd += next;
|
|
rest = html.slice(textEnd);
|
|
}
|
|
text = html.substring(0, textEnd);
|
|
advance(textEnd);
|
|
}
|
|
|
|
if (textEnd < 0) {
|
|
text = html;
|
|
html = '';
|
|
}
|
|
|
|
if (options.chars && text) {
|
|
options.chars(text);
|
|
}
|
|
} else {
|
|
var endTagLength = 0;
|
|
var stackedTag = lastTag.toLowerCase();
|
|
var reStackedTag = reCache[stackedTag] || (reCache[stackedTag] = new RegExp('([\\s\\S]*?)(</' + stackedTag + '[^>]*>)', 'i'));
|
|
var rest$1 = html.replace(reStackedTag, function (all, text, endTag) {
|
|
endTagLength = endTag.length;
|
|
if (!isPlainTextElement(stackedTag) && stackedTag !== 'noscript') {
|
|
text = text
|
|
.replace(/<!\--([\s\S]*?)-->/g, '$1') // #7298
|
|
.replace(/<!\[CDATA\[([\s\S]*?)]]>/g, '$1');
|
|
}
|
|
if (shouldIgnoreFirstNewline(stackedTag, text)) {
|
|
text = text.slice(1);
|
|
}
|
|
if (options.chars) {
|
|
options.chars(text);
|
|
}
|
|
return ''
|
|
});
|
|
index += html.length - rest$1.length;
|
|
html = rest$1;
|
|
parseEndTag(stackedTag, index - endTagLength, index);
|
|
}
|
|
|
|
if (html === last) {
|
|
options.chars && options.chars(html);
|
|
if (process.env.NODE_ENV !== 'production' && !stack.length && options.warn) {
|
|
options.warn(("Mal-formatted tag at end of template: \"" + html + "\""));
|
|
}
|
|
break
|
|
}
|
|
}
|
|
|
|
// Clean up any remaining tags
|
|
parseEndTag();
|
|
|
|
function advance (n) {
|
|
index += n;
|
|
html = html.substring(n);
|
|
}
|
|
|
|
function parseStartTag () {
|
|
var start = html.match(startTagOpen);
|
|
if (start) {
|
|
var match = {
|
|
tagName: start[1],
|
|
attrs: [],
|
|
start: index
|
|
};
|
|
advance(start[0].length);
|
|
var end, attr;
|
|
while (!(end = html.match(startTagClose)) && (attr = html.match(attribute))) {
|
|
advance(attr[0].length);
|
|
match.attrs.push(attr);
|
|
}
|
|
if (end) {
|
|
match.unarySlash = end[1];
|
|
advance(end[0].length);
|
|
match.end = index;
|
|
return match
|
|
}
|
|
}
|
|
}
|
|
|
|
function handleStartTag (match) {
|
|
var tagName = match.tagName;
|
|
var unarySlash = match.unarySlash;
|
|
|
|
if (expectHTML) {
|
|
if (lastTag === 'p' && isNonPhrasingTag(tagName)) {
|
|
parseEndTag(lastTag);
|
|
}
|
|
if (canBeLeftOpenTag$$1(tagName) && lastTag === tagName) {
|
|
parseEndTag(tagName);
|
|
}
|
|
}
|
|
|
|
var unary = isUnaryTag$$1(tagName) || !!unarySlash;
|
|
|
|
var l = match.attrs.length;
|
|
var attrs = new Array(l);
|
|
for (var i = 0; i < l; i++) {
|
|
var args = match.attrs[i];
|
|
var value = args[3] || args[4] || args[5] || '';
|
|
var shouldDecodeNewlines = tagName === 'a' && args[1] === 'href'
|
|
? options.shouldDecodeNewlinesForHref
|
|
: options.shouldDecodeNewlines;
|
|
attrs[i] = {
|
|
name: args[1],
|
|
value: decodeAttr(value, shouldDecodeNewlines)
|
|
};
|
|
}
|
|
|
|
if (!unary) {
|
|
stack.push({ tag: tagName, lowerCasedTag: tagName.toLowerCase(), attrs: attrs });
|
|
lastTag = tagName;
|
|
}
|
|
|
|
if (options.start) {
|
|
options.start(tagName, attrs, unary, match.start, match.end);
|
|
}
|
|
}
|
|
|
|
function parseEndTag (tagName, start, end) {
|
|
var pos, lowerCasedTagName;
|
|
if (start == null) { start = index; }
|
|
if (end == null) { end = index; }
|
|
|
|
// Find the closest opened tag of the same type
|
|
if (tagName) {
|
|
lowerCasedTagName = tagName.toLowerCase();
|
|
for (pos = stack.length - 1; pos >= 0; pos--) {
|
|
if (stack[pos].lowerCasedTag === lowerCasedTagName) {
|
|
break
|
|
}
|
|
}
|
|
} else {
|
|
// If no tag name is provided, clean shop
|
|
pos = 0;
|
|
}
|
|
|
|
if (pos >= 0) {
|
|
// Close all the open elements, up the stack
|
|
for (var i = stack.length - 1; i >= pos; i--) {
|
|
if (process.env.NODE_ENV !== 'production' &&
|
|
(i > pos || !tagName) &&
|
|
options.warn
|
|
) {
|
|
options.warn(
|
|
("tag <" + (stack[i].tag) + "> has no matching end tag.")
|
|
);
|
|
}
|
|
if (options.end) {
|
|
options.end(stack[i].tag, start, end);
|
|
}
|
|
}
|
|
|
|
// Remove the open elements from the stack
|
|
stack.length = pos;
|
|
lastTag = pos && stack[pos - 1].tag;
|
|
} else if (lowerCasedTagName === 'br') {
|
|
if (options.start) {
|
|
options.start(tagName, [], true, start, end);
|
|
}
|
|
} else if (lowerCasedTagName === 'p') {
|
|
if (options.start) {
|
|
options.start(tagName, [], false, start, end);
|
|
}
|
|
if (options.end) {
|
|
options.end(tagName, start, end);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
/**
|
|
* Cross-platform code generation for component v-model
|
|
*/
|
|
function genComponentModel (
|
|
el,
|
|
value,
|
|
modifiers
|
|
) {
|
|
var ref = modifiers || {};
|
|
var number = ref.number;
|
|
var trim = ref.trim;
|
|
|
|
var baseValueExpression = '$$v';
|
|
var valueExpression = baseValueExpression;
|
|
if (trim) {
|
|
valueExpression =
|
|
"(typeof " + baseValueExpression + " === 'string'" +
|
|
"? " + baseValueExpression + ".trim()" +
|
|
": " + baseValueExpression + ")";
|
|
}
|
|
if (number) {
|
|
valueExpression = "_n(" + valueExpression + ")";
|
|
}
|
|
var assignment = genAssignmentCode(value, valueExpression);
|
|
|
|
el.model = {
|
|
value: ("(" + value + ")"),
|
|
expression: ("\"" + value + "\""),
|
|
callback: ("function (" + baseValueExpression + ") {" + assignment + "}")
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Cross-platform codegen helper for generating v-model value assignment code.
|
|
*/
|
|
function genAssignmentCode (
|
|
value,
|
|
assignment
|
|
) {
|
|
var res = parseModel(value);
|
|
if (res.key === null) {
|
|
return (value + "=" + assignment)
|
|
} else {
|
|
return ("$set(" + (res.exp) + ", " + (res.key) + ", " + assignment + ")")
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Parse a v-model expression into a base path and a final key segment.
|
|
* Handles both dot-path and possible square brackets.
|
|
*
|
|
* Possible cases:
|
|
*
|
|
* - test
|
|
* - test[key]
|
|
* - test[test1[key]]
|
|
* - test["a"][key]
|
|
* - xxx.test[a[a].test1[key]]
|
|
* - test.xxx.a["asa"][test1[key]]
|
|
*
|
|
*/
|
|
|
|
var len, 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 = /^\(|\)$/g;
|
|
|
|
var argRE = /:(.*)$/;
|
|
var bindRE = /^:|^v-bind:/;
|
|
var modifierRE = /\.[^.]+/g;
|
|
|
|
var decodeHTMLCached = cached(he.decode);
|
|
|
|
// configurable state
|
|
var warn$1;
|
|
var delimiters;
|
|
var transforms;
|
|
var preTransforms;
|
|
var postTransforms;
|
|
var platformIsPreTag;
|
|
var platformMustUseProp;
|
|
var platformGetTagNamespace;
|
|
|
|
|
|
|
|
function createASTElement (
|
|
tag,
|
|
attrs,
|
|
parent
|
|
) {
|
|
return {
|
|
type: 1,
|
|
tag: tag,
|
|
attrsList: attrs,
|
|
attrsMap: makeAttrsMap(attrs),
|
|
parent: parent,
|
|
children: []
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Convert HTML string to AST.
|
|
*/
|
|
function parse (
|
|
template,
|
|
options
|
|
) {
|
|
warn$1 = options.warn || baseWarn;
|
|
|
|
platformIsPreTag = options.isPreTag || no;
|
|
platformMustUseProp = options.mustUseProp || no;
|
|
platformGetTagNamespace = options.getTagNamespace || no;
|
|
|
|
transforms = pluckModuleFunction(options.modules, 'transformNode');
|
|
preTransforms = pluckModuleFunction(options.modules, 'preTransformNode');
|
|
postTransforms = pluckModuleFunction(options.modules, 'postTransformNode');
|
|
|
|
delimiters = options.delimiters;
|
|
|
|
var stack = [];
|
|
var preserveWhitespace = options.preserveWhitespace !== false;
|
|
var root;
|
|
var currentParent;
|
|
var inVPre = false;
|
|
var inPre = false;
|
|
var warned = false;
|
|
|
|
function warnOnce (msg) {
|
|
if (!warned) {
|
|
warned = true;
|
|
warn$1(msg);
|
|
}
|
|
}
|
|
|
|
function closeElement (element) {
|
|
// check pre state
|
|
if (element.pre) {
|
|
inVPre = false;
|
|
}
|
|
if (platformIsPreTag(element.tag)) {
|
|
inPre = false;
|
|
}
|
|
// apply post-transforms
|
|
for (var i = 0; i < postTransforms.length; i++) {
|
|
postTransforms[i](element, options);
|
|
}
|
|
}
|
|
|
|
parseHTML(template, {
|
|
warn: warn$1,
|
|
expectHTML: options.expectHTML,
|
|
isUnaryTag: options.isUnaryTag,
|
|
canBeLeftOpenTag: options.canBeLeftOpenTag,
|
|
shouldDecodeNewlines: options.shouldDecodeNewlines,
|
|
shouldDecodeNewlinesForHref: options.shouldDecodeNewlinesForHref,
|
|
shouldKeepComment: options.comments,
|
|
start: function start (tag, attrs, unary) {
|
|
// check namespace.
|
|
// inherit parent ns if there is one
|
|
var ns = (currentParent && currentParent.ns) || platformGetTagNamespace(tag);
|
|
|
|
// handle IE svg bug
|
|
/* istanbul ignore if */
|
|
if (isIE && ns === 'svg') {
|
|
attrs = guardIESVGBug(attrs);
|
|
}
|
|
|
|
var element = createASTElement(tag, attrs, currentParent);
|
|
if (ns) {
|
|
element.ns = ns;
|
|
}
|
|
|
|
if (isForbiddenTag(element) && !isServerRendering()) {
|
|
element.forbidden = true;
|
|
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.'
|
|
);
|
|
}
|
|
|
|
// apply pre-transforms
|
|
for (var i = 0; i < preTransforms.length; i++) {
|
|
element = preTransforms[i](element, options) || element;
|
|
}
|
|
|
|
if (!inVPre) {
|
|
processPre(element);
|
|
if (element.pre) {
|
|
inVPre = true;
|
|
}
|
|
}
|
|
if (platformIsPreTag(element.tag)) {
|
|
inPre = true;
|
|
}
|
|
if (inVPre) {
|
|
processRawAttrs(element);
|
|
} else if (!element.processed) {
|
|
// structural directives
|
|
processFor(element);
|
|
processIf(element);
|
|
processOnce(element);
|
|
// element-scope stuff
|
|
processElement(element, options);
|
|
}
|
|
|
|
function checkRootConstraints (el) {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
if (el.tag === 'slot' || el.tag === 'template') {
|
|
warnOnce(
|
|
"Cannot use <" + (el.tag) + "> as component root element because it may " +
|
|
'contain multiple nodes.'
|
|
);
|
|
}
|
|
if (el.attrsMap.hasOwnProperty('v-for')) {
|
|
warnOnce(
|
|
'Cannot use v-for on stateful component root element because ' +
|
|
'it renders multiple elements.'
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
// tree management
|
|
if (!root) {
|
|
root = element;
|
|
checkRootConstraints(root);
|
|
} else if (!stack.length) {
|
|
// allow root elements with v-if, v-else-if and v-else
|
|
if (root.if && (element.elseif || element.else)) {
|
|
checkRootConstraints(element);
|
|
addIfCondition(root, {
|
|
exp: element.elseif,
|
|
block: element
|
|
});
|
|
} else 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."
|
|
);
|
|
}
|
|
}
|
|
if (currentParent && !element.forbidden) {
|
|
if (element.elseif || element.else) {
|
|
processIfConditions(element, currentParent);
|
|
} else if (element.slotScope) { // scoped slot
|
|
currentParent.plain = false;
|
|
var name = element.slotTarget || '"default"'
|
|
;(currentParent.scopedSlots || (currentParent.scopedSlots = {}))[name] = element;
|
|
} else {
|
|
currentParent.children.push(element);
|
|
element.parent = currentParent;
|
|
}
|
|
}
|
|
if (!unary) {
|
|
currentParent = element;
|
|
stack.push(element);
|
|
} else {
|
|
closeElement(element);
|
|
}
|
|
},
|
|
|
|
end: function end () {
|
|
// remove trailing whitespace
|
|
var element = stack[stack.length - 1];
|
|
var lastNode = element.children[element.children.length - 1];
|
|
if (lastNode && lastNode.type === 3 && lastNode.text === ' ' && !inPre) {
|
|
element.children.pop();
|
|
}
|
|
// pop stack
|
|
stack.length -= 1;
|
|
currentParent = stack[stack.length - 1];
|
|
closeElement(element);
|
|
},
|
|
|
|
chars: function chars (text) {
|
|
if (!currentParent) {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
if (text === template) {
|
|
warnOnce(
|
|
'Component template requires a root element, rather than just text.'
|
|
);
|
|
} else if ((text = text.trim())) {
|
|
warnOnce(
|
|
("text \"" + text + "\" outside root element will be ignored.")
|
|
);
|
|
}
|
|
}
|
|
return
|
|
}
|
|
// IE textarea placeholder bug
|
|
/* istanbul ignore if */
|
|
if (isIE &&
|
|
currentParent.tag === 'textarea' &&
|
|
currentParent.attrsMap.placeholder === text
|
|
) {
|
|
return
|
|
}
|
|
var children = currentParent.children;
|
|
text = inPre || text.trim()
|
|
? isTextTag(currentParent) ? text : decodeHTMLCached(text)
|
|
// only preserve whitespace if its not right after a starting tag
|
|
: preserveWhitespace && children.length ? ' ' : '';
|
|
if (text) {
|
|
var res;
|
|
if (!inVPre && text !== ' ' && (res = parseText(text, delimiters))) {
|
|
children.push({
|
|
type: 2,
|
|
expression: res.expression,
|
|
tokens: res.tokens,
|
|
text: text
|
|
});
|
|
} else if (text !== ' ' || !children.length || children[children.length - 1].text !== ' ') {
|
|
children.push({
|
|
type: 3,
|
|
text: text
|
|
});
|
|
}
|
|
}
|
|
},
|
|
comment: function comment (text) {
|
|
currentParent.children.push({
|
|
type: 3,
|
|
text: text,
|
|
isComment: true
|
|
});
|
|
}
|
|
});
|
|
return root
|
|
}
|
|
|
|
function processPre (el) {
|
|
if (getAndRemoveAttr(el, 'v-pre') != null) {
|
|
el.pre = true;
|
|
}
|
|
}
|
|
|
|
function processRawAttrs (el) {
|
|
var l = el.attrsList.length;
|
|
if (l) {
|
|
var attrs = el.attrs = new Array(l);
|
|
for (var i = 0; i < l; i++) {
|
|
attrs[i] = {
|
|
name: el.attrsList[i].name,
|
|
value: JSON.stringify(el.attrsList[i].value)
|
|
};
|
|
}
|
|
} else if (!el.pre) {
|
|
// non root node in pre blocks with no attributes
|
|
el.plain = true;
|
|
}
|
|
}
|
|
|
|
function processElement (element, options) {
|
|
processKey(element);
|
|
|
|
// determine whether this is a plain element after
|
|
// removing structural attributes
|
|
element.plain = !element.key && !element.attrsList.length;
|
|
|
|
processRef(element);
|
|
processSlot(element);
|
|
processComponent(element);
|
|
for (var i = 0; i < transforms.length; i++) {
|
|
element = transforms[i](element, options) || element;
|
|
}
|
|
processAttrs(element);
|
|
}
|
|
|
|
function processKey (el) {
|
|
var exp = getBindingAttr(el, 'key');
|
|
if (exp) {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
if (el.tag === 'template') {
|
|
warn$1("<template> cannot be keyed. Place the key on real elements instead.");
|
|
}
|
|
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 <transtion-group> children, " +
|
|
"this is the same as not using keys."
|
|
);
|
|
}
|
|
}
|
|
}
|
|
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)
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
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."
|
|
);
|
|
}
|
|
}
|
|
|
|
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.pop();
|
|
}
|
|
}
|
|
}
|
|
|
|
function addIfCondition (el, condition) {
|
|
if (!el.ifConditions) {
|
|
el.ifConditions = [];
|
|
}
|
|
el.ifConditions.push(condition);
|
|
}
|
|
|
|
function processOnce (el) {
|
|
var once$$1 = getAndRemoveAttr(el, 'v-once');
|
|
if (once$$1 != null) {
|
|
el.once = true;
|
|
}
|
|
}
|
|
|
|
function processSlot (el) {
|
|
if (el.tag === 'slot') {
|
|
el.slotName = getBindingAttr(el, 'name');
|
|
if (process.env.NODE_ENV !== 'production' && el.key) {
|
|
warn$1(
|
|
"`key` does not work on <slot> because slots are abstract outlets " +
|
|
"and can possibly expand into multiple elements. " +
|
|
"Use the key on a wrapping element instead."
|
|
);
|
|
}
|
|
} else {
|
|
var 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.",
|
|
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.",
|
|
true
|
|
);
|
|
}
|
|
el.slotScope = slotScope;
|
|
}
|
|
var slotTarget = getBindingAttr(el, 'slot');
|
|
if (slotTarget) {
|
|
el.slotTarget = slotTarget === '""' ? '"default"' : slotTarget;
|
|
// preserve slot as an attribute for native shadow DOM compat
|
|
// only for non-scoped slots.
|
|
if (el.tag !== 'template' && !el.slotScope) {
|
|
addAttr(el, 'slot', slotTarget);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function processComponent (el) {
|
|
var binding;
|
|
if ((binding = getBindingAttr(el, 'is'))) {
|
|
el.component = binding;
|
|
}
|
|
if (getAndRemoveAttr(el, 'inline-template') != null) {
|
|
el.inlineTemplate = true;
|
|
}
|
|
}
|
|
|
|
function processAttrs (el) {
|
|
var list = el.attrsList;
|
|
var i, l, name, rawName, value, modifiers, isProp;
|
|
for (i = 0, l = list.length; i < l; i++) {
|
|
name = rawName = list[i].name;
|
|
value = list[i].value;
|
|
if (dirRE.test(name)) {
|
|
// mark element as dynamic
|
|
el.hasBindings = true;
|
|
// modifiers
|
|
modifiers = parseModifiers(name);
|
|
if (modifiers) {
|
|
name = name.replace(modifierRE, '');
|
|
}
|
|
if (bindRE.test(name)) { // v-bind
|
|
name = name.replace(bindRE, '');
|
|
value = parseFilters(value);
|
|
isProp = false;
|
|
if (
|
|
process.env.NODE_ENV !== 'production' &&
|
|
value.trim().length === 0
|
|
) {
|
|
warn$1(
|
|
("The value for a v-bind expression cannot be empty. Found in \"v-bind:" + name + "\"")
|
|
);
|
|
}
|
|
if (modifiers) {
|
|
if (modifiers.prop) {
|
|
isProp = true;
|
|
name = camelize(name);
|
|
if (name === 'innerHtml') { name = 'innerHTML'; }
|
|
}
|
|
if (modifiers.camel) {
|
|
name = camelize(name);
|
|
}
|
|
if (modifiers.sync) {
|
|
addHandler(
|
|
el,
|
|
("update:" + (camelize(name))),
|
|
genAssignmentCode(value, "$event")
|
|
);
|
|
}
|
|
}
|
|
if (isProp || (
|
|
!el.component && platformMustUseProp(el.tag, el.attrsMap.type, name)
|
|
)) {
|
|
addProp(el, name, value);
|
|
} else {
|
|
addAttr(el, name, value);
|
|
}
|
|
} else if (onRE.test(name)) { // v-on
|
|
name = name.replace(onRE, '');
|
|
addHandler(el, name, value, modifiers, false, warn$1);
|
|
} else { // normal directives
|
|
name = name.replace(dirRE, '');
|
|
// parse arg
|
|
var argMatch = name.match(argRE);
|
|
var arg = argMatch && argMatch[1];
|
|
if (arg) {
|
|
name = name.slice(0, -(arg.length + 1));
|
|
}
|
|
addDirective(el, name, rawName, value, arg, modifiers);
|
|
if (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">.'
|
|
);
|
|
}
|
|
}
|
|
addAttr(el, name, JSON.stringify(value));
|
|
// #6887 firefox doesn't update muted state if set via attribute
|
|
// even immediately after element creation
|
|
if (!el.component &&
|
|
name === 'muted' &&
|
|
platformMustUseProp(el.tag, el.attrsMap.type, name)) {
|
|
addProp(el, name, 'true');
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function checkInFor (el) {
|
|
var parent = el;
|
|
while (parent) {
|
|
if (parent.for !== undefined) {
|
|
return true
|
|
}
|
|
parent = parent.parent;
|
|
}
|
|
return false
|
|
}
|
|
|
|
function parseModifiers (name) {
|
|
var match = name.match(modifierRE);
|
|
if (match) {
|
|
var ret = {};
|
|
match.forEach(function (m) { ret[m.slice(1)] = true; });
|
|
return ret
|
|
}
|
|
}
|
|
|
|
function makeAttrsMap (attrs) {
|
|
var map = {};
|
|
for (var i = 0, l = attrs.length; i < l; i++) {
|
|
if (
|
|
process.env.NODE_ENV !== 'production' &&
|
|
map[attrs[i].name] && !isIE && !isEdge
|
|
) {
|
|
warn$1('duplicate attribute: ' + attrs[i].name);
|
|
}
|
|
map[attrs[i].name] = attrs[i].value;
|
|
}
|
|
return map
|
|
}
|
|
|
|
// for script (e.g. type="x/template") or style, do not decode content
|
|
function isTextTag (el) {
|
|
return el.tag === 'script' || el.tag === 'style'
|
|
}
|
|
|
|
function isForbiddenTag (el) {
|
|
return (
|
|
el.tag === 'style' ||
|
|
(el.tag === 'script' && (
|
|
!el.attrsMap.type ||
|
|
el.attrsMap.type === 'text/javascript'
|
|
))
|
|
)
|
|
}
|
|
|
|
var ieNSBug = /^xmlns:NS\d+/;
|
|
var ieNSPrefix = /^NS\d+:/;
|
|
|
|
/* istanbul ignore next */
|
|
function guardIESVGBug (attrs) {
|
|
var res = [];
|
|
for (var i = 0; i < attrs.length; i++) {
|
|
var attr = attrs[i];
|
|
if (!ieNSBug.test(attr.name)) {
|
|
attr.name = attr.name.replace(ieNSPrefix, '');
|
|
res.push(attr);
|
|
}
|
|
}
|
|
return res
|
|
}
|
|
|
|
function checkForAliasModel (el, value) {
|
|
var _el = el;
|
|
while (_el) {
|
|
if (_el.for && _el.alias === value) {
|
|
warn$1(
|
|
"<" + (el.tag) + " v-model=\"" + value + "\">: " +
|
|
"You are binding v-model directly to a v-for iteration alias. " +
|
|
"This will not be able to modify the v-for source array because " +
|
|
"writing to the alias is like modifying a function local variable. " +
|
|
"Consider using an array of objects and use v-model on an object property instead."
|
|
);
|
|
}
|
|
_el = _el.parent;
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
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$1 = {
|
|
preTransformNode: preTransformNode
|
|
};
|
|
|
|
var modules$1 = [
|
|
klass,
|
|
style,
|
|
model$1
|
|
];
|
|
|
|
/* */
|
|
|
|
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$2 (
|
|
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."
|
|
);
|
|
}
|
|
}
|
|
|
|
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 {
|
|
genComponentModel(el, value, modifiers);
|
|
// component v-model doesn't need extra runtime
|
|
return false
|
|
}
|
|
|
|
// 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$1 + "\" conflicts with v-model on the same element " +
|
|
'because the latter already expands to a value binding internally'
|
|
);
|
|
}
|
|
}
|
|
|
|
var ref = modifiers || {};
|
|
var lazy = ref.lazy;
|
|
var number = ref.number;
|
|
var trim = ref.trim;
|
|
var needCompositionGuard = !lazy && type !== 'range';
|
|
var event = lazy
|
|
? 'change'
|
|
: type === 'range'
|
|
? RANGE_TOKEN
|
|
: 'input';
|
|
|
|
var valueExpression = '$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) + ")"));
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
function html (el, dir) {
|
|
if (dir.value) {
|
|
addProp(el, 'innerHTML', ("_s(" + (dir.value) + ")"));
|
|
}
|
|
}
|
|
|
|
var directives = {
|
|
model: model$2,
|
|
text: text,
|
|
html: html
|
|
};
|
|
|
|
/* */
|
|
|
|
var baseOptions = {
|
|
expectHTML: true,
|
|
modules: modules$1,
|
|
directives: directives,
|
|
isPreTag: isPreTag,
|
|
isUnaryTag: isUnaryTag,
|
|
mustUseProp: mustUseProp,
|
|
canBeLeftOpenTag: canBeLeftOpenTag,
|
|
isReservedTag: isReservedTag,
|
|
getTagNamespace: getTagNamespace,
|
|
staticKeys: genStaticKeys(modules$1)
|
|
};
|
|
|
|
/* */
|
|
|
|
var fnExpRE = /^([\w$_]+|\([^)]*?\))\s*=>|^function\s*\(/;
|
|
var simplePathRE = /^[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['[^']*?']|\["[^"]*?"]|\[\d+]|\[[A-Za-z_$][\w$]*])*$/;
|
|
|
|
// KeyboardEvent.keyCode aliases
|
|
var keyCodes = {
|
|
esc: 27,
|
|
tab: 9,
|
|
enter: 13,
|
|
space: 32,
|
|
up: 38,
|
|
left: 37,
|
|
right: 39,
|
|
down: 40,
|
|
'delete': [8, 46]
|
|
};
|
|
|
|
// KeyboardEvent.key aliases
|
|
var keyNames = {
|
|
// #7880: IE11 and Edge use `Esc` for Escape key name.
|
|
esc: ['Esc', 'Escape'],
|
|
tab: 'Tab',
|
|
enter: 'Enter',
|
|
space: ' ',
|
|
// #7806: IE11 uses key names without `Arrow` prefix for arrow keys.
|
|
up: ['Up', 'ArrowUp'],
|
|
left: ['Left', 'ArrowLeft'],
|
|
right: ['Right', 'ArrowRight'],
|
|
down: ['Down', 'ArrowDown'],
|
|
'delete': ['Backspace', 'Delete']
|
|
};
|
|
|
|
// #4868: modifiers that prevent the execution of the listener
|
|
// need to explicitly return null so that we can determine whether to remove
|
|
// the listener for .once
|
|
var genGuard = function (condition) { return ("if(" + condition + ")return null;"); };
|
|
|
|
var modifierCode = {
|
|
stop: '$event.stopPropagation();',
|
|
prevent: '$event.preventDefault();',
|
|
self: genGuard("$event.target !== $event.currentTarget"),
|
|
ctrl: genGuard("!$event.ctrlKey"),
|
|
shift: genGuard("!$event.shiftKey"),
|
|
alt: genGuard("!$event.altKey"),
|
|
meta: genGuard("!$event.metaKey"),
|
|
left: genGuard("'button' in $event && $event.button !== 0"),
|
|
middle: genGuard("'button' in $event && $event.button !== 1"),
|
|
right: genGuard("'button' in $event && $event.button !== 2")
|
|
};
|
|
|
|
function genHandlers (
|
|
events,
|
|
isNative
|
|
) {
|
|
var res = isNative ? 'nativeOn:{' : 'on:{';
|
|
for (var name in events) {
|
|
res += "\"" + name + "\":" + (genHandler(name, events[name])) + ",";
|
|
}
|
|
return res.slice(0, -1) + '}'
|
|
}
|
|
|
|
function genHandler (
|
|
name,
|
|
handler
|
|
) {
|
|
if (!handler) {
|
|
return 'function(){}'
|
|
}
|
|
|
|
if (Array.isArray(handler)) {
|
|
return ("[" + (handler.map(function (handler) { return genHandler(name, handler); }).join(',')) + "]")
|
|
}
|
|
|
|
var isMethodPath = simplePathRE.test(handler.value);
|
|
var isFunctionExpression = fnExpRE.test(handler.value);
|
|
|
|
if (!handler.modifiers) {
|
|
if (isMethodPath || isFunctionExpression) {
|
|
return handler.value
|
|
}
|
|
return ("function($event){" + (handler.value) + "}") // inline statement
|
|
} else {
|
|
var code = '';
|
|
var genModifierCode = '';
|
|
var keys = [];
|
|
for (var key in handler.modifiers) {
|
|
if (modifierCode[key]) {
|
|
genModifierCode += modifierCode[key];
|
|
// left/right
|
|
if (keyCodes[key]) {
|
|
keys.push(key);
|
|
}
|
|
} else if (key === 'exact') {
|
|
var modifiers = (handler.modifiers);
|
|
genModifierCode += genGuard(
|
|
['ctrl', 'shift', 'alt', 'meta']
|
|
.filter(function (keyModifier) { return !modifiers[keyModifier]; })
|
|
.map(function (keyModifier) { return ("$event." + keyModifier + "Key"); })
|
|
.join('||')
|
|
);
|
|
} else {
|
|
keys.push(key);
|
|
}
|
|
}
|
|
if (keys.length) {
|
|
code += genKeyFilter(keys);
|
|
}
|
|
// Make sure modifiers like prevent and stop get executed after key filtering
|
|
if (genModifierCode) {
|
|
code += genModifierCode;
|
|
}
|
|
var handlerCode = isMethodPath
|
|
? ("return " + (handler.value) + "($event)")
|
|
: isFunctionExpression
|
|
? ("return (" + (handler.value) + ")($event)")
|
|
: handler.value;
|
|
return ("function($event){" + code + handlerCode + "}")
|
|
}
|
|
}
|
|
|
|
function genKeyFilter (keys) {
|
|
return ("if(!('button' in $event)&&" + (keys.map(genFilterCode).join('&&')) + ")return null;")
|
|
}
|
|
|
|
function genFilterCode (key) {
|
|
var keyVal = parseInt(key, 10);
|
|
if (keyVal) {
|
|
return ("$event.keyCode!==" + keyVal)
|
|
}
|
|
var keyCode = keyCodes[key];
|
|
var keyName = keyNames[key];
|
|
return (
|
|
"_k($event.keyCode," +
|
|
(JSON.stringify(key)) + "," +
|
|
(JSON.stringify(keyCode)) + "," +
|
|
"$event.key," +
|
|
"" + (JSON.stringify(keyName)) +
|
|
")"
|
|
)
|
|
}
|
|
|
|
/* */
|
|
|
|
function on (el, dir) {
|
|
if (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$1 = {
|
|
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$1), options.directives);
|
|
var isReservedTag = options.isReservedTag || no;
|
|
this.maybeComponent = function (el) { return !(isReservedTag(el.tag) && !el.component); };
|
|
this.onceId = 0;
|
|
this.staticRenderFns = [];
|
|
this.pre = false;
|
|
};
|
|
|
|
|
|
|
|
function generate (
|
|
ast,
|
|
options
|
|
) {
|
|
var state = new CodegenState(options);
|
|
var code = ast ? genElement(ast, state) : '_c("div")';
|
|
return {
|
|
render: ("with(this){return " + code + "}"),
|
|
staticRenderFns: state.staticRenderFns
|
|
}
|
|
}
|
|
|
|
function genElement (el, state) {
|
|
if (el.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. "
|
|
);
|
|
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.",
|
|
true /* tip */
|
|
);
|
|
}
|
|
|
|
el.forProcessed = true; // avoid recursion
|
|
return (altHelper || '_l') + "((" + exp + ")," +
|
|
"function(" + alias + iterator1 + iterator2 + "){" +
|
|
"return " + ((altGen || genElement)(el, state)) +
|
|
'})'
|
|
}
|
|
|
|
function genData$2 (el, state) {
|
|
var data = '{';
|
|
|
|
// directives first.
|
|
// directives may mutate the el's other properties before they are generated.
|
|
var dirs = genDirectives(el, state);
|
|
if (dirs) { data += dirs + ','; }
|
|
|
|
// key
|
|
if (el.key) {
|
|
data += "key:" + (el.key) + ",";
|
|
}
|
|
// ref
|
|
if (el.ref) {
|
|
data += "ref:" + (el.ref) + ",";
|
|
}
|
|
if (el.refInFor) {
|
|
data += "refInFor:true,";
|
|
}
|
|
// pre
|
|
if (el.pre) {
|
|
data += "pre:true,";
|
|
}
|
|
// record original tag name for components using "is" attribute
|
|
if (el.component) {
|
|
data += "tag:\"" + (el.tag) + "\",";
|
|
}
|
|
// module data generation functions
|
|
for (var i = 0; i < state.dataGenFns.length; i++) {
|
|
data += state.dataGenFns[i](el);
|
|
}
|
|
// attributes
|
|
if (el.attrs) {
|
|
data += "attrs:{" + (genProps(el.attrs)) + "},";
|
|
}
|
|
// DOM props
|
|
if (el.props) {
|
|
data += "domProps:{" + (genProps(el.props)) + "},";
|
|
}
|
|
// event handlers
|
|
if (el.events) {
|
|
data += (genHandlers(el.events, false)) + ",";
|
|
}
|
|
if (el.nativeEvents) {
|
|
data += (genHandlers(el.nativeEvents, true)) + ",";
|
|
}
|
|
// slot target
|
|
// only for non-scoped slots
|
|
if (el.slotTarget && !el.slotScope) {
|
|
data += "slot:" + (el.slotTarget) + ",";
|
|
}
|
|
// scoped slots
|
|
if (el.scopedSlots) {
|
|
data += (genScopedSlots(el.scopedSlots, state)) + ",";
|
|
}
|
|
// component v-model
|
|
if (el.model) {
|
|
data += "model:{value:" + (el.model.value) + ",callback:" + (el.model.callback) + ",expression:" + (el.model.expression) + "},";
|
|
}
|
|
// inline-template
|
|
if (el.inlineTemplate) {
|
|
var inlineTemplate = genInlineTemplate(el, state);
|
|
if (inlineTemplate) {
|
|
data += inlineTemplate + ",";
|
|
}
|
|
}
|
|
data = data.replace(/,$/, '') + '}';
|
|
// v-bind data wrap
|
|
if (el.wrapData) {
|
|
data = el.wrapData(data);
|
|
}
|
|
// v-on data wrap
|
|
if (el.wrapListeners) {
|
|
data = el.wrapListeners(data);
|
|
}
|
|
return data
|
|
}
|
|
|
|
function genDirectives (el, state) {
|
|
var dirs = el.directives;
|
|
if (!dirs) { return }
|
|
var res = 'directives:[';
|
|
var hasRuntime = false;
|
|
var i, l, dir, needRuntime;
|
|
for (i = 0, l = dirs.length; i < l; i++) {
|
|
dir = dirs[i];
|
|
needRuntime = true;
|
|
var gen = state.directives[dir.name];
|
|
if (gen) {
|
|
// compile-time directive that manipulates AST.
|
|
// returns true if it also needs a runtime counterpart.
|
|
needRuntime = !!gen(el, dir, state.warn);
|
|
}
|
|
if (needRuntime) {
|
|
hasRuntime = true;
|
|
res += "{name:\"" + (dir.name) + "\",rawName:\"" + (dir.rawName) + "\"" + (dir.value ? (",value:(" + (dir.value) + "),expression:" + (JSON.stringify(dir.value))) : '') + (dir.arg ? (",arg:\"" + (dir.arg) + "\"") : '') + (dir.modifiers ? (",modifiers:" + (JSON.stringify(dir.modifiers))) : '') + "},";
|
|
}
|
|
}
|
|
if (hasRuntime) {
|
|
return res.slice(0, -1) + ']'
|
|
}
|
|
}
|
|
|
|
function genInlineTemplate (el, state) {
|
|
var ast = el.children[0];
|
|
if (process.env.NODE_ENV !== 'production' && (
|
|
el.children.length !== 1 || ast.type !== 1
|
|
)) {
|
|
state.warn('Inline-template components must have exactly one child element.');
|
|
}
|
|
if (ast.type === 1) {
|
|
var inlineRenderFns = generate(ast, state.options);
|
|
return ("inlineTemplate:{render:function(){" + (inlineRenderFns.render) + "},staticRenderFns:[" + (inlineRenderFns.staticRenderFns.map(function (code) { return ("function(){" + code + "}"); }).join(',')) + "]}")
|
|
}
|
|
}
|
|
|
|
function genScopedSlots (
|
|
slots,
|
|
state
|
|
) {
|
|
return ("scopedSlots:_u([" + (Object.keys(slots).map(function (key) {
|
|
return genScopedSlot(key, slots[key], state)
|
|
}).join(',')) + "])")
|
|
}
|
|
|
|
function genScopedSlot (
|
|
key,
|
|
el,
|
|
state
|
|
) {
|
|
if (el.for && !el.forProcessed) {
|
|
return genForScopedSlot(key, el, state)
|
|
}
|
|
var fn = "function(" + (String(el.slotScope)) + "){" +
|
|
"return " + (el.tag === 'template'
|
|
? el.if
|
|
? ("(" + (el.if) + ")?" + (genChildren(el, state) || 'undefined') + ":undefined")
|
|
: genChildren(el, state) || 'undefined'
|
|
: genElement(el, state)) + "}";
|
|
return ("{key:" + key + ",fn:" + fn + "}")
|
|
}
|
|
|
|
function genForScopedSlot (
|
|
key,
|
|
el,
|
|
state
|
|
) {
|
|
var exp = el.for;
|
|
var alias = el.alias;
|
|
var iterator1 = el.iterator1 ? ("," + (el.iterator1)) : '';
|
|
var iterator2 = el.iterator2 ? ("," + (el.iterator2)) : '';
|
|
el.forProcessed = true; // avoid recursion
|
|
return "_l((" + exp + ")," +
|
|
"function(" + alias + iterator1 + iterator2 + "){" +
|
|
"return " + (genScopedSlot(key, el, state)) +
|
|
'})'
|
|
}
|
|
|
|
function genChildren (
|
|
el,
|
|
state,
|
|
checkSkip,
|
|
altGenElement,
|
|
altGenNode
|
|
) {
|
|
var children = el.children;
|
|
if (children.length) {
|
|
var el$1 = children[0];
|
|
// optimize single v-for
|
|
if (children.length === 1 &&
|
|
el$1.for &&
|
|
el$1.tag !== 'template' &&
|
|
el$1.tag !== 'slot'
|
|
) {
|
|
// because el may be a functional component and return an Array instead of a single root.
|
|
// In this case, just a simple normalization is needed
|
|
var normalizationType = state.maybeComponent(el$1) ? ",1" : "";
|
|
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 ? ("," + children) : '');
|
|
var attrs = el.attrs && ("{" + (el.attrs.map(function (a) { return ((camelize(a.name)) + ":" + (a.value)); }).join(',')) + "}");
|
|
var bind$$1 = el.attrsMap['v-bind'];
|
|
if ((attrs || bind$$1) && !children) {
|
|
res += ",null";
|
|
}
|
|
if (attrs) {
|
|
res += "," + attrs;
|
|
}
|
|
if (bind$$1) {
|
|
res += (attrs ? '' : ',null') + "," + bind$$1;
|
|
}
|
|
return res + ')'
|
|
}
|
|
|
|
// componentName is el.component, take it as argument to shun flow's pessimistic refinement
|
|
function genComponent (
|
|
componentName,
|
|
el,
|
|
state
|
|
) {
|
|
var children = el.inlineTemplate ? null : genChildren(el, state, true);
|
|
return ("_c(" + componentName + "," + (genData$2(el, state)) + (children ? ("," + children) : '') + ")")
|
|
}
|
|
|
|
function genProps (props) {
|
|
var res = '';
|
|
for (var i = 0; i < props.length; i++) {
|
|
var prop = props[i];
|
|
/* istanbul ignore if */
|
|
{
|
|
res += "\"" + (prop.name) + "\":" + (transformSpecialNewlines(prop.value)) + ",";
|
|
}
|
|
}
|
|
return res.slice(0, -1)
|
|
}
|
|
|
|
// #3895, #4268
|
|
function transformSpecialNewlines (text) {
|
|
return text
|
|
.replace(/\u2028/g, '\\u2028')
|
|
.replace(/\u2029/g, '\\u2029')
|
|
}
|
|
|
|
/* */
|
|
|
|
|
|
|
|
|
|
|
|
|
|
var plainStringRE = /^"(?:[^"\\]|\\.)*"$|^'(?:[^'\\]|\\.)*'$/;
|
|
|
|
// let the model AST transform translate v-model into appropriate
|
|
// props bindings
|
|
function applyModelTransform (el, state) {
|
|
if (el.directives) {
|
|
for (var i = 0; i < el.directives.length; i++) {
|
|
var dir = el.directives[i];
|
|
if (dir.name === 'model') {
|
|
state.directives.model(el, dir, state.warn);
|
|
// remove value for textarea as its converted to text
|
|
if (el.tag === 'textarea' && el.props) {
|
|
el.props = el.props.filter(function (p) { return p.name !== 'value'; });
|
|
}
|
|
break
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function genAttrSegments (
|
|
attrs
|
|
) {
|
|
return attrs.map(function (ref) {
|
|
var name = ref.name;
|
|
var value = ref.value;
|
|
|
|
return genAttrSegment(name, value);
|
|
})
|
|
}
|
|
|
|
function genDOMPropSegments (
|
|
props,
|
|
attrs
|
|
) {
|
|
var segments = [];
|
|
props.forEach(function (ref) {
|
|
var name = ref.name;
|
|
var value = ref.value;
|
|
|
|
name = propsToAttrMap[name] || name.toLowerCase();
|
|
if (isRenderableAttr(name) &&
|
|
!(attrs && attrs.some(function (a) { return a.name === name; }))
|
|
) {
|
|
segments.push(genAttrSegment(name, value));
|
|
}
|
|
});
|
|
return segments
|
|
}
|
|
|
|
function genAttrSegment (name, value) {
|
|
if (plainStringRE.test(value)) {
|
|
// force double quote
|
|
value = value.replace(/^'|'$/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;
|
|
|
|
function optimize (root, options) {
|
|
if (!root) { return }
|
|
isPlatformReservedTag = 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: {},
|
|
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(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) {
|
|
segments.push({ type: RAW, value: escape(c.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('+')
|
|
}
|
|
|
|
/* */
|
|
|
|
// these keywords should not appear inside expressions, but operators like
|
|
// typeof, instanceof and in are allowed
|
|
var prohibitedKeywordRE = new RegExp('\\b' + (
|
|
'do,if,for,let,new,try,var,case,else,with,await,break,catch,class,const,' +
|
|
'super,throw,while,yield,delete,export,import,return,switch,default,' +
|
|
'extends,finally,continue,debugger,function,arguments'
|
|
).split(',').join('\\b|\\b') + '\\b');
|
|
|
|
// these unary operators should not be used as property/method names
|
|
var unaryOperatorsRE = new RegExp('\\b' + (
|
|
'delete,typeof,void'
|
|
).split(',').join('\\s*\\([^\\)]*\\)|\\b') + '\\s*\\([^\\)]*\\)');
|
|
|
|
// strip strings in expressions
|
|
var stripStringRE = /'(?:[^'\\]|\\.)*'|"(?:[^"\\]|\\.)*"|`(?:[^`\\]|\\.)*\$\{|\}(?:[^`\\]|\\.)*`|`(?:[^`\\]|\\.)*`/g;
|
|
|
|
// detect problematic expressions in a template
|
|
function detectErrors (ast) {
|
|
var errors = [];
|
|
if (ast) {
|
|
checkNode(ast, errors);
|
|
}
|
|
return errors
|
|
}
|
|
|
|
function checkNode (node, errors) {
|
|
if (node.type === 1) {
|
|
for (var name in node.attrsMap) {
|
|
if (dirRE.test(name)) {
|
|
var value = node.attrsMap[name];
|
|
if (value) {
|
|
if (name === 'v-for') {
|
|
checkFor(node, ("v-for=\"" + value + "\""), errors);
|
|
} else if (onRE.test(name)) {
|
|
checkEvent(value, (name + "=\"" + value + "\""), errors);
|
|
} else {
|
|
checkExpression(value, (name + "=\"" + value + "\""), errors);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (node.children) {
|
|
for (var i = 0; i < node.children.length; i++) {
|
|
checkNode(node.children[i], errors);
|
|
}
|
|
}
|
|
} else if (node.type === 2) {
|
|
checkExpression(node.expression, node.text, errors);
|
|
}
|
|
}
|
|
|
|
function checkEvent (exp, text, errors) {
|
|
var stipped = exp.replace(stripStringRE, '');
|
|
var keywordMatch = stipped.match(unaryOperatorsRE);
|
|
if (keywordMatch && stipped.charAt(keywordMatch.index - 1) !== '$') {
|
|
errors.push(
|
|
"avoid using JavaScript unary operator as property name: " +
|
|
"\"" + (keywordMatch[0]) + "\" in expression " + (text.trim())
|
|
);
|
|
}
|
|
checkExpression(exp, text, errors);
|
|
}
|
|
|
|
function checkFor (node, text, errors) {
|
|
checkExpression(node.for || '', text, errors);
|
|
checkIdentifier(node.alias, 'v-for alias', text, errors);
|
|
checkIdentifier(node.iterator1, 'v-for iterator', text, errors);
|
|
checkIdentifier(node.iterator2, 'v-for iterator', text, errors);
|
|
}
|
|
|
|
function checkIdentifier (
|
|
ident,
|
|
type,
|
|
text,
|
|
errors
|
|
) {
|
|
if (typeof ident === 'string') {
|
|
try {
|
|
new Function(("var " + ident + "=_"));
|
|
} catch (e) {
|
|
errors.push(("invalid " + type + " \"" + ident + "\" in expression: " + (text.trim())));
|
|
}
|
|
}
|
|
}
|
|
|
|
function checkExpression (exp, text, errors) {
|
|
try {
|
|
new Function(("return " + exp));
|
|
} catch (e) {
|
|
var keywordMatch = exp.replace(stripStringRE, '').match(prohibitedKeywordRE);
|
|
if (keywordMatch) {
|
|
errors.push(
|
|
"avoid using JavaScript keyword as property name: " +
|
|
"\"" + (keywordMatch[0]) + "\"\n Raw expression: " + (text.trim())
|
|
);
|
|
} else {
|
|
errors.push(
|
|
"invalid expression: " + (e.message) + " in\n\n" +
|
|
" " + exp + "\n\n" +
|
|
" Raw expression: " + (text.trim()) + "\n"
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
|
|
|
|
function createFunction (code, errors) {
|
|
try {
|
|
return new Function(code)
|
|
} catch (err) {
|
|
errors.push({ err: err, code: code });
|
|
return noop
|
|
}
|
|
}
|
|
|
|
function createCompileToFunctionFn (compile) {
|
|
var cache = Object.create(null);
|
|
|
|
return function compileToFunctions (
|
|
template,
|
|
options,
|
|
vm
|
|
) {
|
|
options = extend({}, options);
|
|
var warn$$1 = options.warn || warn;
|
|
delete options.warn;
|
|
|
|
/* istanbul ignore if */
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
// detect possible CSP restriction
|
|
try {
|
|
new Function('return 1');
|
|
} catch (e) {
|
|
if (e.toString().match(/unsafe-eval|CSP/)) {
|
|
warn$$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) {
|
|
warn$$1(
|
|
"Error compiling template:\n\n" + template + "\n\n" +
|
|
compiled.errors.map(function (e) { return ("- " + e); }).join('\n') + '\n',
|
|
vm
|
|
);
|
|
}
|
|
if (compiled.tips && compiled.tips.length) {
|
|
compiled.tips.forEach(function (msg) { return tip(msg, vm); });
|
|
}
|
|
}
|
|
|
|
// turn code into functions
|
|
var res = {};
|
|
var fnGenErrors = [];
|
|
res.render = createFunction(compiled.render, fnGenErrors);
|
|
res.staticRenderFns = compiled.staticRenderFns.map(function (code) {
|
|
return createFunction(code, fnGenErrors)
|
|
});
|
|
|
|
// check function generation errors.
|
|
// this should only happen if there is a bug in the compiler itself.
|
|
// mostly for codegen development use
|
|
/* istanbul ignore if */
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
if ((!compiled.errors || !compiled.errors.length) && fnGenErrors.length) {
|
|
warn$$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 = [];
|
|
finalOptions.warn = function (msg, tip) {
|
|
(tip ? tips : errors).push(msg);
|
|
};
|
|
|
|
if (options) {
|
|
// merge custom modules
|
|
if (options.modules) {
|
|
finalOptions.modules =
|
|
(baseOptions.modules || []).concat(options.modules);
|
|
}
|
|
// merge custom directives
|
|
if (options.directives) {
|
|
finalOptions.directives = extend(
|
|
Object.create(baseOptions.directives || null),
|
|
options.directives
|
|
);
|
|
}
|
|
// copy other options
|
|
for (var key in options) {
|
|
if (key !== 'modules' && key !== 'directives') {
|
|
finalOptions[key] = options[key];
|
|
}
|
|
}
|
|
}
|
|
|
|
var compiled = baseCompile(template, finalOptions);
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
errors.push.apply(errors, detectErrors(compiled.ast));
|
|
}
|
|
compiled.errors = errors;
|
|
compiled.tips = tips;
|
|
return compiled
|
|
}
|
|
|
|
return {
|
|
compile: compile,
|
|
compileToFunctions: createCompileToFunctionFn(compile)
|
|
}
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
var createCompiler = createCompilerCreator(function baseCompile (
|
|
template,
|
|
options
|
|
) {
|
|
var ast = parse(template.trim(), options);
|
|
optimize(ast, options);
|
|
var code = generate$1(ast, options);
|
|
return {
|
|
ast: ast,
|
|
render: code.render,
|
|
staticRenderFns: code.staticRenderFns
|
|
}
|
|
});
|
|
|
|
/* */
|
|
|
|
var ref = createCompiler(baseOptions);
|
|
var compile = ref.compile;
|
|
var compileToFunctions = ref.compileToFunctions;
|
|
|
|
/* */
|
|
|
|
// The template compiler attempts to minimize the need for normalization by
|
|
// statically analyzing the template at compile time.
|
|
//
|
|
// For plain HTML markup, normalization can be completely skipped because the
|
|
// generated render function is guaranteed to return Array<VNode>. There are
|
|
// two cases where extra normalization is needed:
|
|
|
|
// 1. When the children contains components - because a functional component
|
|
// may return an Array instead of a single root. In this case, just a simple
|
|
// normalization is needed - if any child is an Array, we flatten the whole
|
|
// thing with Array.prototype.concat. It is guaranteed to be only 1-level deep
|
|
// because functional components already normalize their own children.
|
|
function simpleNormalizeChildren (children) {
|
|
for (var i = 0; i < children.length; i++) {
|
|
if (Array.isArray(children[i])) {
|
|
return Array.prototype.concat.apply([], children)
|
|
}
|
|
}
|
|
return children
|
|
}
|
|
|
|
// 2. When the children contains constructs that always generated nested Arrays,
|
|
// e.g. <template>, <slot>, v-for, or when the children is provided by user
|
|
// with hand-written render functions / JSX. In such cases a full normalization
|
|
// is needed to cater to all possible types of children values.
|
|
function normalizeChildren (children) {
|
|
return isPrimitive(children)
|
|
? [createTextVNode(children)]
|
|
: Array.isArray(children)
|
|
? normalizeArrayChildren(children)
|
|
: undefined
|
|
}
|
|
|
|
function isTextNode (node) {
|
|
return isDef(node) && isDef(node.text) && isFalse(node.isComment)
|
|
}
|
|
|
|
function normalizeArrayChildren (children, nestedIndex) {
|
|
var res = [];
|
|
var i, c, lastIndex, last;
|
|
for (i = 0; i < children.length; i++) {
|
|
c = children[i];
|
|
if (isUndef(c) || typeof c === 'boolean') { continue }
|
|
lastIndex = res.length - 1;
|
|
last = res[lastIndex];
|
|
// nested
|
|
if (Array.isArray(c)) {
|
|
if (c.length > 0) {
|
|
c = normalizeArrayChildren(c, ((nestedIndex || '') + "_" + i));
|
|
// merge adjacent text nodes
|
|
if (isTextNode(c[0]) && isTextNode(last)) {
|
|
res[lastIndex] = createTextVNode(last.text + (c[0]).text);
|
|
c.shift();
|
|
}
|
|
res.push.apply(res, c);
|
|
}
|
|
} else if (isPrimitive(c)) {
|
|
if (isTextNode(last)) {
|
|
// merge adjacent text nodes
|
|
// this is necessary for SSR hydration because text nodes are
|
|
// essentially merged when rendered to HTML strings
|
|
res[lastIndex] = createTextVNode(last.text + c);
|
|
} else if (c !== '') {
|
|
// convert primitive to vnode
|
|
res.push(createTextVNode(c));
|
|
}
|
|
} else {
|
|
if (isTextNode(c) && isTextNode(last)) {
|
|
// merge adjacent text nodes
|
|
res[lastIndex] = createTextVNode(last.text + c.text);
|
|
} else {
|
|
// default key for nested array children (likely generated by v-for)
|
|
if (isTrue(children._isVList) &&
|
|
isDef(c.tag) &&
|
|
isUndef(c.key) &&
|
|
isDef(nestedIndex)) {
|
|
c.key = "__vlist" + nestedIndex + "_" + i + "__";
|
|
}
|
|
res.push(c);
|
|
}
|
|
}
|
|
}
|
|
return res
|
|
}
|
|
|
|
/* */
|
|
|
|
var ssrHelpers = {
|
|
_ssrEscape: escape,
|
|
_ssrNode: renderStringNode,
|
|
_ssrList: renderStringList,
|
|
_ssrAttr: renderAttr,
|
|
_ssrAttrs: renderAttrs$1,
|
|
_ssrDOMProps: renderDOMProps$1,
|
|
_ssrClass: renderSSRClass,
|
|
_ssrStyle: renderSSRStyle
|
|
};
|
|
|
|
function installSSRHelpers (vm) {
|
|
if (vm._ssrNode) {
|
|
return
|
|
}
|
|
var Vue = vm.constructor;
|
|
while (Vue.super) {
|
|
Vue = Vue.super;
|
|
}
|
|
extend(Vue.prototype, ssrHelpers);
|
|
if (Vue.FunctionalRenderContext) {
|
|
extend(Vue.FunctionalRenderContext.prototype, ssrHelpers);
|
|
}
|
|
}
|
|
|
|
var StringNode = function StringNode (
|
|
open,
|
|
close,
|
|
children,
|
|
normalizationType
|
|
) {
|
|
this.isString = true;
|
|
this.open = open;
|
|
this.close = close;
|
|
if (children) {
|
|
this.children = normalizationType === 1
|
|
? simpleNormalizeChildren(children)
|
|
: normalizationType === 2
|
|
? normalizeChildren(children)
|
|
: children;
|
|
} else {
|
|
this.children = void 0;
|
|
}
|
|
};
|
|
|
|
function renderStringNode (
|
|
open,
|
|
close,
|
|
children,
|
|
normalizationType
|
|
) {
|
|
return new StringNode(open, close, children, normalizationType)
|
|
}
|
|
|
|
function renderStringList (
|
|
val,
|
|
render
|
|
) {
|
|
var ret = '';
|
|
var i, l, keys, key;
|
|
if (Array.isArray(val) || typeof val === 'string') {
|
|
for (i = 0, l = val.length; i < l; i++) {
|
|
ret += render(val[i], i);
|
|
}
|
|
} else if (typeof val === 'number') {
|
|
for (i = 0; i < val; i++) {
|
|
ret += render(i + 1, i);
|
|
}
|
|
} else if (isObject(val)) {
|
|
keys = Object.keys(val);
|
|
for (i = 0, l = keys.length; i < l; i++) {
|
|
key = keys[i];
|
|
ret += render(val[key], key, i);
|
|
}
|
|
}
|
|
return ret
|
|
}
|
|
|
|
function renderAttrs$1 (obj) {
|
|
var res = '';
|
|
for (var key in obj) {
|
|
if (isSSRUnsafeAttr(key)) {
|
|
continue
|
|
}
|
|
res += renderAttr(key, obj[key]);
|
|
}
|
|
return res
|
|
}
|
|
|
|
function renderDOMProps$1 (obj) {
|
|
var res = '';
|
|
for (var key in obj) {
|
|
var attr = propsToAttrMap[key] || key.toLowerCase();
|
|
if (isRenderableAttr(attr)) {
|
|
res += renderAttr(attr, obj[key]);
|
|
}
|
|
}
|
|
return res
|
|
}
|
|
|
|
function renderSSRClass (
|
|
staticClass,
|
|
dynamic
|
|
) {
|
|
var res = renderClass(staticClass, dynamic);
|
|
return res === '' ? res : (" class=\"" + (escape(res)) + "\"")
|
|
}
|
|
|
|
function renderSSRStyle (
|
|
staticStyle,
|
|
dynamic,
|
|
extra
|
|
) {
|
|
var style = {};
|
|
if (staticStyle) { extend(style, staticStyle); }
|
|
if (dynamic) { extend(style, normalizeStyleBinding(dynamic)); }
|
|
if (extra) { extend(style, extra); }
|
|
var res = genStyle(style);
|
|
return res === '' ? res : (" style=" + (JSON.stringify(escape(res))))
|
|
}
|
|
|
|
/* not type checking this file because flow doesn't play well with Proxy */
|
|
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
var allowedGlobals = makeMap(
|
|
'Infinity,undefined,NaN,isFinite,isNaN,' +
|
|
'parseFloat,parseInt,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,' +
|
|
'Math,Number,Date,Array,Object,Boolean,String,RegExp,Map,Set,JSON,Intl,' +
|
|
'require' // for Webpack/Browserify
|
|
);
|
|
|
|
var hasProxy =
|
|
typeof Proxy !== 'undefined' && isNative(Proxy);
|
|
|
|
if (hasProxy) {
|
|
var isBuiltInModifier = makeMap('stop,prevent,self,ctrl,shift,alt,meta,exact');
|
|
config.keyCodes = new Proxy(config.keyCodes, {
|
|
set: function set (target, key, value) {
|
|
if (isBuiltInModifier(key)) {
|
|
warn(("Avoid overwriting built-in modifier in config.keyCodes: ." + key));
|
|
return false
|
|
} else {
|
|
target[key] = value;
|
|
return true
|
|
}
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
var seenObjects = new _Set();
|
|
|
|
/**
|
|
* Recursively traverse an object to evoke all converted
|
|
* getters, so that every nested property inside the object
|
|
* is collected as a "deep" dependency.
|
|
*/
|
|
function traverse (val) {
|
|
_traverse(val, seenObjects);
|
|
seenObjects.clear();
|
|
}
|
|
|
|
function _traverse (val, seen) {
|
|
var i, keys;
|
|
var isA = Array.isArray(val);
|
|
if ((!isA && !isObject(val)) || Object.isFrozen(val) || val instanceof VNode) {
|
|
return
|
|
}
|
|
if (val.__ob__) {
|
|
var depId = val.__ob__.dep.id;
|
|
if (seen.has(depId)) {
|
|
return
|
|
}
|
|
seen.add(depId);
|
|
}
|
|
if (isA) {
|
|
i = val.length;
|
|
while (i--) { _traverse(val[i], seen); }
|
|
} else {
|
|
keys = Object.keys(val);
|
|
i = keys.length;
|
|
while (i--) { _traverse(val[keys[i]], seen); }
|
|
}
|
|
}
|
|
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
var perf = inBrowser && window.performance;
|
|
/* istanbul ignore if */
|
|
if (
|
|
perf &&
|
|
perf.mark &&
|
|
perf.measure &&
|
|
perf.clearMarks &&
|
|
perf.clearMeasures
|
|
) ;
|
|
}
|
|
|
|
/* */
|
|
|
|
var normalizeEvent = cached(function (name) {
|
|
var passive = name.charAt(0) === '&';
|
|
name = passive ? name.slice(1) : name;
|
|
var once$$1 = name.charAt(0) === '~'; // Prefixed last, checked first
|
|
name = once$$1 ? name.slice(1) : name;
|
|
var capture = name.charAt(0) === '!';
|
|
name = capture ? name.slice(1) : name;
|
|
return {
|
|
name: name,
|
|
once: once$$1,
|
|
capture: capture,
|
|
passive: passive
|
|
}
|
|
});
|
|
|
|
function createFnInvoker (fns) {
|
|
function invoker () {
|
|
var arguments$1 = arguments;
|
|
|
|
var fns = invoker.fns;
|
|
if (Array.isArray(fns)) {
|
|
var cloned = fns.slice();
|
|
for (var i = 0; i < cloned.length; i++) {
|
|
cloned[i].apply(null, arguments$1);
|
|
}
|
|
} else {
|
|
// return handler return value for single handlers
|
|
return fns.apply(null, arguments)
|
|
}
|
|
}
|
|
invoker.fns = fns;
|
|
return invoker
|
|
}
|
|
|
|
function updateListeners (
|
|
on,
|
|
oldOn,
|
|
add,
|
|
remove$$1,
|
|
createOnceHandler,
|
|
vm
|
|
) {
|
|
var name, def$$1, cur, old, event;
|
|
for (name in on) {
|
|
def$$1 = cur = on[name];
|
|
old = oldOn[name];
|
|
event = normalizeEvent(name);
|
|
if (isUndef(cur)) {
|
|
process.env.NODE_ENV !== 'production' && warn(
|
|
"Invalid handler for event \"" + (event.name) + "\": got " + String(cur),
|
|
vm
|
|
);
|
|
} else if (isUndef(old)) {
|
|
if (isUndef(cur.fns)) {
|
|
cur = on[name] = createFnInvoker(cur);
|
|
}
|
|
if (isTrue(event.once)) {
|
|
cur = on[name] = createOnceHandler(event.name, cur, event.capture);
|
|
}
|
|
add(event.name, cur, event.capture, event.passive, event.params);
|
|
} else if (cur !== old) {
|
|
old.fns = cur;
|
|
on[name] = old;
|
|
}
|
|
}
|
|
for (name in oldOn) {
|
|
if (isUndef(on[name])) {
|
|
event = normalizeEvent(name);
|
|
remove$$1(event.name, oldOn[name], event.capture);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
/* */
|
|
|
|
function extractPropsFromVNodeData (
|
|
data,
|
|
Ctor,
|
|
tag
|
|
) {
|
|
// we are only extracting raw values here.
|
|
// validation and default values are handled in the child
|
|
// component itself.
|
|
var propOptions = Ctor.options.props;
|
|
if (isUndef(propOptions)) {
|
|
return
|
|
}
|
|
var res = {};
|
|
var attrs = data.attrs;
|
|
var props = data.props;
|
|
if (isDef(attrs) || isDef(props)) {
|
|
for (var key in propOptions) {
|
|
var altKey = hyphenate(key);
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
var keyInLowerCase = key.toLowerCase();
|
|
if (
|
|
key !== keyInLowerCase &&
|
|
attrs && hasOwn(attrs, keyInLowerCase)
|
|
) {
|
|
tip(
|
|
"Prop \"" + keyInLowerCase + "\" is passed to component " +
|
|
(formatComponentName(tag || Ctor)) + ", but the declared prop name is" +
|
|
" \"" + key + "\". " +
|
|
"Note that HTML attributes are case-insensitive and camelCased " +
|
|
"props need to use their kebab-case equivalents when using in-DOM " +
|
|
"templates. You should probably use \"" + altKey + "\" instead of \"" + key + "\"."
|
|
);
|
|
}
|
|
}
|
|
checkProp(res, props, key, altKey, true) ||
|
|
checkProp(res, attrs, key, altKey, false);
|
|
}
|
|
}
|
|
return res
|
|
}
|
|
|
|
function checkProp (
|
|
res,
|
|
hash,
|
|
key,
|
|
altKey,
|
|
preserve
|
|
) {
|
|
if (isDef(hash)) {
|
|
if (hasOwn(hash, key)) {
|
|
res[key] = hash[key];
|
|
if (!preserve) {
|
|
delete hash[key];
|
|
}
|
|
return true
|
|
} else if (hasOwn(hash, altKey)) {
|
|
res[key] = hash[altKey];
|
|
if (!preserve) {
|
|
delete hash[altKey];
|
|
}
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
/* */
|
|
|
|
function ensureCtor (comp, base) {
|
|
if (
|
|
comp.__esModule ||
|
|
(hasSymbol && comp[Symbol.toStringTag] === 'Module')
|
|
) {
|
|
comp = comp.default;
|
|
}
|
|
return isObject(comp)
|
|
? base.extend(comp)
|
|
: comp
|
|
}
|
|
|
|
function createAsyncPlaceholder (
|
|
factory,
|
|
data,
|
|
context,
|
|
children,
|
|
tag
|
|
) {
|
|
var node = createEmptyVNode();
|
|
node.asyncFactory = factory;
|
|
node.asyncMeta = { data: data, context: context, children: children, tag: tag };
|
|
return node
|
|
}
|
|
|
|
function resolveAsyncComponent (
|
|
factory,
|
|
baseCtor,
|
|
context
|
|
) {
|
|
if (isTrue(factory.error) && isDef(factory.errorComp)) {
|
|
return factory.errorComp
|
|
}
|
|
|
|
if (isDef(factory.resolved)) {
|
|
return factory.resolved
|
|
}
|
|
|
|
if (isTrue(factory.loading) && isDef(factory.loadingComp)) {
|
|
return factory.loadingComp
|
|
}
|
|
|
|
if (isDef(factory.contexts)) {
|
|
// already pending
|
|
factory.contexts.push(context);
|
|
} else {
|
|
var contexts = factory.contexts = [context];
|
|
var sync = true;
|
|
|
|
var forceRender = function (renderCompleted) {
|
|
for (var i = 0, l = contexts.length; i < l; i++) {
|
|
contexts[i].$forceUpdate();
|
|
}
|
|
|
|
if (renderCompleted) {
|
|
contexts.length = 0;
|
|
}
|
|
};
|
|
|
|
var resolve = once(function (res) {
|
|
// cache resolved
|
|
factory.resolved = ensureCtor(res, baseCtor);
|
|
// invoke callbacks only if this is not a synchronous resolve
|
|
// (async resolves are shimmed as synchronous during SSR)
|
|
if (!sync) {
|
|
forceRender(true);
|
|
}
|
|
});
|
|
|
|
var reject = once(function (reason) {
|
|
process.env.NODE_ENV !== 'production' && warn(
|
|
"Failed to resolve async component: " + (String(factory)) +
|
|
(reason ? ("\nReason: " + reason) : '')
|
|
);
|
|
if (isDef(factory.errorComp)) {
|
|
factory.error = true;
|
|
forceRender(true);
|
|
}
|
|
});
|
|
|
|
var res = factory(resolve, reject);
|
|
|
|
if (isObject(res)) {
|
|
if (typeof res.then === 'function') {
|
|
// () => Promise
|
|
if (isUndef(factory.resolved)) {
|
|
res.then(resolve, reject);
|
|
}
|
|
} else if (isDef(res.component) && typeof res.component.then === 'function') {
|
|
res.component.then(resolve, reject);
|
|
|
|
if (isDef(res.error)) {
|
|
factory.errorComp = ensureCtor(res.error, baseCtor);
|
|
}
|
|
|
|
if (isDef(res.loading)) {
|
|
factory.loadingComp = ensureCtor(res.loading, baseCtor);
|
|
if (res.delay === 0) {
|
|
factory.loading = true;
|
|
} else {
|
|
setTimeout(function () {
|
|
if (isUndef(factory.resolved) && isUndef(factory.error)) {
|
|
factory.loading = true;
|
|
forceRender(false);
|
|
}
|
|
}, res.delay || 200);
|
|
}
|
|
}
|
|
|
|
if (isDef(res.timeout)) {
|
|
setTimeout(function () {
|
|
if (isUndef(factory.resolved)) {
|
|
reject(
|
|
process.env.NODE_ENV !== 'production'
|
|
? ("timeout (" + (res.timeout) + "ms)")
|
|
: null
|
|
);
|
|
}
|
|
}, res.timeout);
|
|
}
|
|
}
|
|
}
|
|
|
|
sync = false;
|
|
// return in case resolved synchronously
|
|
return factory.loading
|
|
? factory.loadingComp
|
|
: factory.resolved
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
/* */
|
|
|
|
/* */
|
|
|
|
/* */
|
|
|
|
var target;
|
|
|
|
function add (event, fn) {
|
|
target.$on(event, fn);
|
|
}
|
|
|
|
function remove$1 (event, fn) {
|
|
target.$off(event, fn);
|
|
}
|
|
|
|
function createOnceHandler (event, fn) {
|
|
var _target = target;
|
|
return function onceHandler () {
|
|
var res = fn.apply(null, arguments);
|
|
if (res !== null) {
|
|
_target.$off(event, onceHandler);
|
|
}
|
|
}
|
|
}
|
|
|
|
function updateComponentListeners (
|
|
vm,
|
|
listeners,
|
|
oldListeners
|
|
) {
|
|
target = vm;
|
|
updateListeners(listeners, oldListeners || {}, add, remove$1, createOnceHandler, vm);
|
|
target = undefined;
|
|
}
|
|
|
|
/* */
|
|
|
|
|
|
|
|
/**
|
|
* Runtime helper for resolving raw children VNodes into a slot object.
|
|
*/
|
|
function resolveSlots (
|
|
children,
|
|
context
|
|
) {
|
|
var slots = {};
|
|
if (!children) {
|
|
return slots
|
|
}
|
|
for (var i = 0, l = children.length; i < l; i++) {
|
|
var child = children[i];
|
|
var data = child.data;
|
|
// remove slot attribute if the node is resolved as a Vue slot node
|
|
if (data && data.attrs && data.attrs.slot) {
|
|
delete data.attrs.slot;
|
|
}
|
|
// named slots should only be respected if the vnode was rendered in the
|
|
// same context.
|
|
if ((child.context === context || child.fnContext === context) &&
|
|
data && data.slot != null
|
|
) {
|
|
var name = data.slot;
|
|
var slot = (slots[name] || (slots[name] = []));
|
|
if (child.tag === 'template') {
|
|
slot.push.apply(slot, child.children || []);
|
|
} else {
|
|
slot.push(child);
|
|
}
|
|
} else {
|
|
(slots.default || (slots.default = [])).push(child);
|
|
}
|
|
}
|
|
// ignore slots that contains only whitespace
|
|
for (var name$1 in slots) {
|
|
if (slots[name$1].every(isWhitespace)) {
|
|
delete slots[name$1];
|
|
}
|
|
}
|
|
return slots
|
|
}
|
|
|
|
function isWhitespace (node) {
|
|
return (node.isComment && !node.asyncFactory) || node.text === ' '
|
|
}
|
|
|
|
function resolveScopedSlots (
|
|
fns, // see flow/vnode
|
|
res
|
|
) {
|
|
res = res || {};
|
|
for (var i = 0; i < fns.length; i++) {
|
|
if (Array.isArray(fns[i])) {
|
|
resolveScopedSlots(fns[i], res);
|
|
} else {
|
|
res[fns[i].key] = fns[i].fn;
|
|
}
|
|
}
|
|
return res
|
|
}
|
|
|
|
/* */
|
|
|
|
var activeInstance = null;
|
|
|
|
function updateChildComponent (
|
|
vm,
|
|
propsData,
|
|
listeners,
|
|
parentVnode,
|
|
renderChildren
|
|
) {
|
|
if (process.env.NODE_ENV !== 'production') ;
|
|
|
|
// determine whether component has slot children
|
|
// we need to do this before overwriting $options._renderChildren
|
|
var hasChildren = !!(
|
|
renderChildren || // has new static slots
|
|
vm.$options._renderChildren || // has old static slots
|
|
parentVnode.data.scopedSlots || // has new scoped slots
|
|
vm.$scopedSlots !== emptyObject // has old scoped slots
|
|
);
|
|
|
|
vm.$options._parentVnode = parentVnode;
|
|
vm.$vnode = parentVnode; // update vm's placeholder node without re-render
|
|
|
|
if (vm._vnode) { // update child tree's parent
|
|
vm._vnode.parent = parentVnode;
|
|
}
|
|
vm.$options._renderChildren = renderChildren;
|
|
|
|
// update $attrs and $listeners hash
|
|
// these are also reactive so they may trigger child update if the child
|
|
// used them during render
|
|
vm.$attrs = parentVnode.data.attrs || emptyObject;
|
|
vm.$listeners = listeners || emptyObject;
|
|
|
|
// update props
|
|
if (propsData && vm.$options.props) {
|
|
toggleObserving(false);
|
|
var props = vm._props;
|
|
var propKeys = vm.$options._propKeys || [];
|
|
for (var i = 0; i < propKeys.length; i++) {
|
|
var key = propKeys[i];
|
|
var propOptions = vm.$options.props; // wtf flow?
|
|
props[key] = validateProp(key, propOptions, propsData, vm);
|
|
}
|
|
toggleObserving(true);
|
|
// keep a copy of raw propsData
|
|
vm.$options.propsData = propsData;
|
|
}
|
|
|
|
// update listeners
|
|
listeners = listeners || emptyObject;
|
|
var oldListeners = vm.$options._parentListeners;
|
|
vm.$options._parentListeners = listeners;
|
|
updateComponentListeners(vm, listeners, oldListeners);
|
|
|
|
// resolve slots + force update if has children
|
|
if (hasChildren) {
|
|
vm.$slots = resolveSlots(renderChildren, parentVnode.context);
|
|
vm.$forceUpdate();
|
|
}
|
|
|
|
if (process.env.NODE_ENV !== 'production') ;
|
|
}
|
|
|
|
function isInInactiveTree (vm) {
|
|
while (vm && (vm = vm.$parent)) {
|
|
if (vm._inactive) { return true }
|
|
}
|
|
return false
|
|
}
|
|
|
|
function activateChildComponent (vm, direct) {
|
|
if (direct) {
|
|
vm._directInactive = false;
|
|
if (isInInactiveTree(vm)) {
|
|
return
|
|
}
|
|
} else if (vm._directInactive) {
|
|
return
|
|
}
|
|
if (vm._inactive || vm._inactive === null) {
|
|
vm._inactive = false;
|
|
for (var i = 0; i < vm.$children.length; i++) {
|
|
activateChildComponent(vm.$children[i]);
|
|
}
|
|
callHook(vm, 'activated');
|
|
}
|
|
}
|
|
|
|
function deactivateChildComponent (vm, direct) {
|
|
if (direct) {
|
|
vm._directInactive = true;
|
|
if (isInInactiveTree(vm)) {
|
|
return
|
|
}
|
|
}
|
|
if (!vm._inactive) {
|
|
vm._inactive = true;
|
|
for (var i = 0; i < vm.$children.length; i++) {
|
|
deactivateChildComponent(vm.$children[i]);
|
|
}
|
|
callHook(vm, 'deactivated');
|
|
}
|
|
}
|
|
|
|
function callHook (vm, hook) {
|
|
// #7573 disable dep collection when invoking lifecycle hooks
|
|
pushTarget();
|
|
var handlers = vm.$options[hook];
|
|
if (handlers) {
|
|
for (var i = 0, j = handlers.length; i < j; i++) {
|
|
try {
|
|
handlers[i].call(vm);
|
|
} catch (e) {
|
|
handleError(e, vm, (hook + " hook"));
|
|
}
|
|
}
|
|
}
|
|
if (vm._hasHookEvent) {
|
|
vm.$emit('hook:' + hook);
|
|
}
|
|
popTarget();
|
|
}
|
|
|
|
/* */
|
|
|
|
/**
|
|
* Queue a kept-alive component that was activated during patch.
|
|
* The queue will be processed after the entire tree has been patched.
|
|
*/
|
|
function queueActivatedComponent (vm) {
|
|
// setting _inactive to false here so that a render function can
|
|
// rely on checking whether it's in an inactive tree (e.g. router-view)
|
|
vm._inactive = false;
|
|
}
|
|
|
|
/* */
|
|
|
|
/* */
|
|
|
|
/* */
|
|
|
|
var SIMPLE_NORMALIZE = 1;
|
|
var ALWAYS_NORMALIZE = 2;
|
|
|
|
// wrapper function for providing a more flexible interface
|
|
// without getting yelled at by flow
|
|
function createElement (
|
|
context,
|
|
tag,
|
|
data,
|
|
children,
|
|
normalizationType,
|
|
alwaysNormalize
|
|
) {
|
|
if (Array.isArray(data) || isPrimitive(data)) {
|
|
normalizationType = children;
|
|
children = data;
|
|
data = undefined;
|
|
}
|
|
if (isTrue(alwaysNormalize)) {
|
|
normalizationType = ALWAYS_NORMALIZE;
|
|
}
|
|
return _createElement(context, tag, data, children, normalizationType)
|
|
}
|
|
|
|
function _createElement (
|
|
context,
|
|
tag,
|
|
data,
|
|
children,
|
|
normalizationType
|
|
) {
|
|
if (isDef(data) && isDef((data).__ob__)) {
|
|
process.env.NODE_ENV !== 'production' && warn(
|
|
"Avoid using observed data object as vnode data: " + (JSON.stringify(data)) + "\n" +
|
|
'Always create fresh vnode data objects in each render!',
|
|
context
|
|
);
|
|
return createEmptyVNode()
|
|
}
|
|
// object syntax in v-bind
|
|
if (isDef(data) && isDef(data.is)) {
|
|
tag = data.is;
|
|
}
|
|
if (!tag) {
|
|
// in case of component :is set to falsy value
|
|
return createEmptyVNode()
|
|
}
|
|
// warn against non-primitive key
|
|
if (process.env.NODE_ENV !== 'production' &&
|
|
isDef(data) && isDef(data.key) && !isPrimitive(data.key)
|
|
) {
|
|
{
|
|
warn(
|
|
'Avoid using non-primitive value as key, ' +
|
|
'use string/number value instead.',
|
|
context
|
|
);
|
|
}
|
|
}
|
|
// support single function children as default scoped slot
|
|
if (Array.isArray(children) &&
|
|
typeof children[0] === 'function'
|
|
) {
|
|
data = data || {};
|
|
data.scopedSlots = { default: children[0] };
|
|
children.length = 0;
|
|
}
|
|
if (normalizationType === ALWAYS_NORMALIZE) {
|
|
children = normalizeChildren(children);
|
|
} else if (normalizationType === SIMPLE_NORMALIZE) {
|
|
children = simpleNormalizeChildren(children);
|
|
}
|
|
var vnode, ns;
|
|
if (typeof tag === 'string') {
|
|
var Ctor;
|
|
ns = (context.$vnode && context.$vnode.ns) || config.getTagNamespace(tag);
|
|
if ((!data || !data.pre) && isDef(Ctor = resolveAsset(context.$options, 'components', tag))) {
|
|
// component
|
|
vnode = createComponent(Ctor, data, context, children, tag);
|
|
} else {
|
|
// unknown or unlisted namespaced elements
|
|
// check at runtime because it may get assigned a namespace when its
|
|
// parent normalizes children
|
|
vnode = new VNode(
|
|
tag, data, children,
|
|
undefined, undefined, context
|
|
);
|
|
}
|
|
} else {
|
|
// direct component options / constructor
|
|
vnode = createComponent(tag, data, context, children);
|
|
}
|
|
if (Array.isArray(vnode)) {
|
|
return vnode
|
|
} else if (isDef(vnode)) {
|
|
if (isDef(ns)) { applyNS(vnode, ns); }
|
|
if (isDef(data)) { registerDeepBindings(data); }
|
|
return vnode
|
|
} else {
|
|
return createEmptyVNode()
|
|
}
|
|
}
|
|
|
|
function applyNS (vnode, ns, force) {
|
|
vnode.ns = ns;
|
|
if (vnode.tag === 'foreignObject') {
|
|
// use default namespace inside foreignObject
|
|
ns = undefined;
|
|
force = true;
|
|
}
|
|
if (isDef(vnode.children)) {
|
|
for (var i = 0, l = vnode.children.length; i < l; i++) {
|
|
var child = vnode.children[i];
|
|
if (isDef(child.tag) && (
|
|
isUndef(child.ns) || (isTrue(force) && child.tag !== 'svg'))) {
|
|
applyNS(child, ns, force);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// ref #5318
|
|
// necessary to ensure parent re-render when deep bindings like :style and
|
|
// :class are used on slot nodes
|
|
function registerDeepBindings (data) {
|
|
if (isObject(data.style)) {
|
|
traverse(data.style);
|
|
}
|
|
if (isObject(data.class)) {
|
|
traverse(data.class);
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
/**
|
|
* Runtime helper for rendering v-for lists.
|
|
*/
|
|
function renderList (
|
|
val,
|
|
render
|
|
) {
|
|
var ret, i, l, keys, key;
|
|
if (Array.isArray(val) || typeof val === 'string') {
|
|
ret = new Array(val.length);
|
|
for (i = 0, l = val.length; i < l; i++) {
|
|
ret[i] = render(val[i], i);
|
|
}
|
|
} else if (typeof val === 'number') {
|
|
ret = new Array(val);
|
|
for (i = 0; i < val; i++) {
|
|
ret[i] = render(i + 1, i);
|
|
}
|
|
} else if (isObject(val)) {
|
|
keys = Object.keys(val);
|
|
ret = new Array(keys.length);
|
|
for (i = 0, l = keys.length; i < l; i++) {
|
|
key = keys[i];
|
|
ret[i] = render(val[key], key, i);
|
|
}
|
|
}
|
|
if (isDef(ret)) {
|
|
(ret)._isVList = true;
|
|
}
|
|
return ret
|
|
}
|
|
|
|
/* */
|
|
|
|
/**
|
|
* Runtime helper for rendering <slot>
|
|
*/
|
|
function renderSlot (
|
|
name,
|
|
fallback,
|
|
props,
|
|
bindObject
|
|
) {
|
|
var scopedSlotFn = this.$scopedSlots[name];
|
|
var nodes;
|
|
if (scopedSlotFn) { // scoped slot
|
|
props = props || {};
|
|
if (bindObject) {
|
|
if (process.env.NODE_ENV !== 'production' && !isObject(bindObject)) {
|
|
warn(
|
|
'slot v-bind without argument expects an Object',
|
|
this
|
|
);
|
|
}
|
|
props = extend(extend({}, bindObject), props);
|
|
}
|
|
nodes = scopedSlotFn(props) || fallback;
|
|
} else {
|
|
nodes = this.$slots[name] || fallback;
|
|
}
|
|
|
|
var target = props && props.slot;
|
|
if (target) {
|
|
return this.$createElement('template', { slot: target }, nodes)
|
|
} else {
|
|
return nodes
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
/**
|
|
* Runtime helper for resolving filters
|
|
*/
|
|
function resolveFilter (id) {
|
|
return resolveAsset(this.$options, 'filters', id, true) || identity
|
|
}
|
|
|
|
/* */
|
|
|
|
function isKeyNotMatch (expect, actual) {
|
|
if (Array.isArray(expect)) {
|
|
return expect.indexOf(actual) === -1
|
|
} else {
|
|
return expect !== actual
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Runtime helper for checking keyCodes from config.
|
|
* exposed as Vue.prototype._k
|
|
* passing in eventKeyName as last argument separately for backwards compat
|
|
*/
|
|
function checkKeyCodes (
|
|
eventKeyCode,
|
|
key,
|
|
builtInKeyCode,
|
|
eventKeyName,
|
|
builtInKeyName
|
|
) {
|
|
var mappedKeyCode = config.keyCodes[key] || builtInKeyCode;
|
|
if (builtInKeyName && eventKeyName && !config.keyCodes[key]) {
|
|
return isKeyNotMatch(builtInKeyName, eventKeyName)
|
|
} else if (mappedKeyCode) {
|
|
return isKeyNotMatch(mappedKeyCode, eventKeyCode)
|
|
} else if (eventKeyName) {
|
|
return hyphenate(eventKeyName) !== key
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
/**
|
|
* Runtime helper for merging v-bind="object" into a VNode's data.
|
|
*/
|
|
function bindObjectProps (
|
|
data,
|
|
tag,
|
|
value,
|
|
asProp,
|
|
isSync
|
|
) {
|
|
if (value) {
|
|
if (!isObject(value)) {
|
|
process.env.NODE_ENV !== 'production' && warn(
|
|
'v-bind without argument expects an Object or Array value',
|
|
this
|
|
);
|
|
} else {
|
|
if (Array.isArray(value)) {
|
|
value = toObject(value);
|
|
}
|
|
var hash;
|
|
var loop = function ( key ) {
|
|
if (
|
|
key === 'class' ||
|
|
key === 'style' ||
|
|
isReservedAttribute(key)
|
|
) {
|
|
hash = data;
|
|
} else {
|
|
var type = data.attrs && data.attrs.type;
|
|
hash = asProp || config.mustUseProp(tag, type, key)
|
|
? data.domProps || (data.domProps = {})
|
|
: data.attrs || (data.attrs = {});
|
|
}
|
|
var camelizedKey = camelize(key);
|
|
if (!(key in hash) && !(camelizedKey in hash)) {
|
|
hash[key] = value[key];
|
|
|
|
if (isSync) {
|
|
var on = data.on || (data.on = {});
|
|
on[("update:" + camelizedKey)] = function ($event) {
|
|
value[key] = $event;
|
|
};
|
|
}
|
|
}
|
|
};
|
|
|
|
for (var key in value) loop( key );
|
|
}
|
|
}
|
|
return data
|
|
}
|
|
|
|
/* */
|
|
|
|
/**
|
|
* Runtime helper for rendering static trees.
|
|
*/
|
|
function renderStatic (
|
|
index,
|
|
isInFor
|
|
) {
|
|
var cached = this._staticTrees || (this._staticTrees = []);
|
|
var tree = cached[index];
|
|
// if has already-rendered static tree and not inside v-for,
|
|
// we can reuse the same tree.
|
|
if (tree && !isInFor) {
|
|
return tree
|
|
}
|
|
// otherwise, render a fresh tree.
|
|
tree = cached[index] = this.$options.staticRenderFns[index].call(
|
|
this._renderProxy,
|
|
null,
|
|
this // for render fns generated for functional component templates
|
|
);
|
|
markStatic(tree, ("__static__" + index), false);
|
|
return tree
|
|
}
|
|
|
|
/**
|
|
* Runtime helper for v-once.
|
|
* Effectively it means marking the node as static with a unique key.
|
|
*/
|
|
function markOnce (
|
|
tree,
|
|
index,
|
|
key
|
|
) {
|
|
markStatic(tree, ("__once__" + index + (key ? ("_" + key) : "")), true);
|
|
return tree
|
|
}
|
|
|
|
function markStatic (
|
|
tree,
|
|
key,
|
|
isOnce
|
|
) {
|
|
if (Array.isArray(tree)) {
|
|
for (var i = 0; i < tree.length; i++) {
|
|
if (tree[i] && typeof tree[i] !== 'string') {
|
|
markStaticNode(tree[i], (key + "_" + i), isOnce);
|
|
}
|
|
}
|
|
} else {
|
|
markStaticNode(tree, key, isOnce);
|
|
}
|
|
}
|
|
|
|
function markStaticNode (node, key, isOnce) {
|
|
node.isStatic = true;
|
|
node.key = key;
|
|
node.isOnce = isOnce;
|
|
}
|
|
|
|
/* */
|
|
|
|
function bindObjectListeners (data, value) {
|
|
if (value) {
|
|
if (!isPlainObject(value)) {
|
|
process.env.NODE_ENV !== 'production' && warn(
|
|
'v-on without argument expects an Object value',
|
|
this
|
|
);
|
|
} else {
|
|
var on = data.on = data.on ? extend({}, data.on) : {};
|
|
for (var key in value) {
|
|
var existing = on[key];
|
|
var ours = value[key];
|
|
on[key] = existing ? [].concat(existing, ours) : ours;
|
|
}
|
|
}
|
|
}
|
|
return data
|
|
}
|
|
|
|
/* */
|
|
|
|
function installRenderHelpers (target) {
|
|
target._o = markOnce;
|
|
target._n = toNumber;
|
|
target._s = toString;
|
|
target._l = renderList;
|
|
target._t = renderSlot;
|
|
target._q = looseEqual;
|
|
target._i = looseIndexOf;
|
|
target._m = renderStatic;
|
|
target._f = resolveFilter;
|
|
target._k = checkKeyCodes;
|
|
target._b = bindObjectProps;
|
|
target._v = createTextVNode;
|
|
target._e = createEmptyVNode;
|
|
target._u = resolveScopedSlots;
|
|
target._g = bindObjectListeners;
|
|
}
|
|
|
|
/* */
|
|
|
|
/* */
|
|
|
|
function resolveInject (inject, vm) {
|
|
if (inject) {
|
|
// inject is :any because flow is not smart enough to figure out cached
|
|
var result = Object.create(null);
|
|
var keys = hasSymbol
|
|
? Reflect.ownKeys(inject).filter(function (key) {
|
|
/* istanbul ignore next */
|
|
return Object.getOwnPropertyDescriptor(inject, key).enumerable
|
|
})
|
|
: Object.keys(inject);
|
|
|
|
for (var i = 0; i < keys.length; i++) {
|
|
var key = keys[i];
|
|
var provideKey = inject[key].from;
|
|
var source = vm;
|
|
while (source) {
|
|
if (source._provided && hasOwn(source._provided, provideKey)) {
|
|
result[key] = source._provided[provideKey];
|
|
break
|
|
}
|
|
source = source.$parent;
|
|
}
|
|
if (!source) {
|
|
if ('default' in inject[key]) {
|
|
var provideDefault = inject[key].default;
|
|
result[key] = typeof provideDefault === 'function'
|
|
? provideDefault.call(vm)
|
|
: provideDefault;
|
|
} else if (process.env.NODE_ENV !== 'production') {
|
|
warn(("Injection \"" + key + "\" not found"), vm);
|
|
}
|
|
}
|
|
}
|
|
return result
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
function resolveConstructorOptions (Ctor) {
|
|
var options = Ctor.options;
|
|
if (Ctor.super) {
|
|
var superOptions = resolveConstructorOptions(Ctor.super);
|
|
var cachedSuperOptions = Ctor.superOptions;
|
|
if (superOptions !== cachedSuperOptions) {
|
|
// super option changed,
|
|
// need to resolve new options.
|
|
Ctor.superOptions = superOptions;
|
|
// check if there are any late-modified/attached options (#4976)
|
|
var modifiedOptions = resolveModifiedOptions(Ctor);
|
|
// update base extend options
|
|
if (modifiedOptions) {
|
|
extend(Ctor.extendOptions, modifiedOptions);
|
|
}
|
|
options = Ctor.options = mergeOptions(superOptions, Ctor.extendOptions);
|
|
if (options.name) {
|
|
options.components[options.name] = Ctor;
|
|
}
|
|
}
|
|
}
|
|
return options
|
|
}
|
|
|
|
function resolveModifiedOptions (Ctor) {
|
|
var modified;
|
|
var latest = Ctor.options;
|
|
var extended = Ctor.extendOptions;
|
|
var sealed = Ctor.sealedOptions;
|
|
for (var key in latest) {
|
|
if (latest[key] !== sealed[key]) {
|
|
if (!modified) { modified = {}; }
|
|
modified[key] = dedupe(latest[key], extended[key], sealed[key]);
|
|
}
|
|
}
|
|
return modified
|
|
}
|
|
|
|
function dedupe (latest, extended, sealed) {
|
|
// compare latest and sealed to ensure lifecycle hooks won't be duplicated
|
|
// between merges
|
|
if (Array.isArray(latest)) {
|
|
var res = [];
|
|
sealed = Array.isArray(sealed) ? sealed : [sealed];
|
|
extended = Array.isArray(extended) ? extended : [extended];
|
|
for (var i = 0; i < latest.length; i++) {
|
|
// push original options and not sealed options to exclude duplicated options
|
|
if (extended.indexOf(latest[i]) >= 0 || sealed.indexOf(latest[i]) < 0) {
|
|
res.push(latest[i]);
|
|
}
|
|
}
|
|
return res
|
|
} else {
|
|
return latest
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
function FunctionalRenderContext (
|
|
data,
|
|
props,
|
|
children,
|
|
parent,
|
|
Ctor
|
|
) {
|
|
var options = Ctor.options;
|
|
// ensure the createElement function in functional components
|
|
// gets a unique context - this is necessary for correct named slot check
|
|
var contextVm;
|
|
if (hasOwn(parent, '_uid')) {
|
|
contextVm = Object.create(parent);
|
|
// $flow-disable-line
|
|
contextVm._original = parent;
|
|
} else {
|
|
// the context vm passed in is a functional context as well.
|
|
// in this case we want to make sure we are able to get a hold to the
|
|
// real context instance.
|
|
contextVm = parent;
|
|
// $flow-disable-line
|
|
parent = parent._original;
|
|
}
|
|
var isCompiled = isTrue(options._compiled);
|
|
var needNormalization = !isCompiled;
|
|
|
|
this.data = data;
|
|
this.props = props;
|
|
this.children = children;
|
|
this.parent = parent;
|
|
this.listeners = data.on || emptyObject;
|
|
this.injections = resolveInject(options.inject, parent);
|
|
this.slots = function () { return resolveSlots(children, parent); };
|
|
|
|
// support for compiled functional template
|
|
if (isCompiled) {
|
|
// exposing $options for renderStatic()
|
|
this.$options = options;
|
|
// pre-resolve slots for renderSlot()
|
|
this.$slots = this.slots();
|
|
this.$scopedSlots = data.scopedSlots || emptyObject;
|
|
}
|
|
|
|
if (options._scopeId) {
|
|
this._c = function (a, b, c, d) {
|
|
var vnode = createElement(contextVm, a, b, c, d, needNormalization);
|
|
if (vnode && !Array.isArray(vnode)) {
|
|
vnode.fnScopeId = options._scopeId;
|
|
vnode.fnContext = parent;
|
|
}
|
|
return vnode
|
|
};
|
|
} else {
|
|
this._c = function (a, b, c, d) { return createElement(contextVm, a, b, c, d, needNormalization); };
|
|
}
|
|
}
|
|
|
|
installRenderHelpers(FunctionalRenderContext.prototype);
|
|
|
|
function createFunctionalComponent (
|
|
Ctor,
|
|
propsData,
|
|
data,
|
|
contextVm,
|
|
children
|
|
) {
|
|
var options = Ctor.options;
|
|
var props = {};
|
|
var propOptions = options.props;
|
|
if (isDef(propOptions)) {
|
|
for (var key in propOptions) {
|
|
props[key] = validateProp(key, propOptions, propsData || emptyObject);
|
|
}
|
|
} else {
|
|
if (isDef(data.attrs)) { mergeProps(props, data.attrs); }
|
|
if (isDef(data.props)) { mergeProps(props, data.props); }
|
|
}
|
|
|
|
var renderContext = new FunctionalRenderContext(
|
|
data,
|
|
props,
|
|
children,
|
|
contextVm,
|
|
Ctor
|
|
);
|
|
|
|
var vnode = options.render.call(null, renderContext._c, renderContext);
|
|
|
|
if (vnode instanceof VNode) {
|
|
return cloneAndMarkFunctionalResult(vnode, data, renderContext.parent, options, renderContext)
|
|
} else if (Array.isArray(vnode)) {
|
|
var vnodes = normalizeChildren(vnode) || [];
|
|
var res = new Array(vnodes.length);
|
|
for (var i = 0; i < vnodes.length; i++) {
|
|
res[i] = cloneAndMarkFunctionalResult(vnodes[i], data, renderContext.parent, options, renderContext);
|
|
}
|
|
return res
|
|
}
|
|
}
|
|
|
|
function cloneAndMarkFunctionalResult (vnode, data, contextVm, options, renderContext) {
|
|
// #7817 clone node before setting fnContext, otherwise if the node is reused
|
|
// (e.g. it was from a cached normal slot) the fnContext causes named slots
|
|
// that should not be matched to match.
|
|
var clone = cloneVNode(vnode);
|
|
clone.fnContext = contextVm;
|
|
clone.fnOptions = options;
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
(clone.devtoolsMeta = clone.devtoolsMeta || {}).renderContext = renderContext;
|
|
}
|
|
if (data.slot) {
|
|
(clone.data || (clone.data = {})).slot = data.slot;
|
|
}
|
|
return clone
|
|
}
|
|
|
|
function mergeProps (to, from) {
|
|
for (var key in from) {
|
|
to[camelize(key)] = from[key];
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
/* */
|
|
|
|
/* */
|
|
|
|
/* */
|
|
|
|
// inline hooks to be invoked on component VNodes during patch
|
|
var componentVNodeHooks = {
|
|
init: function init (vnode, hydrating) {
|
|
if (
|
|
vnode.componentInstance &&
|
|
!vnode.componentInstance._isDestroyed &&
|
|
vnode.data.keepAlive
|
|
) {
|
|
// kept-alive components, treat as a patch
|
|
var mountedNode = vnode; // work around flow
|
|
componentVNodeHooks.prepatch(mountedNode, mountedNode);
|
|
} else {
|
|
var child = vnode.componentInstance = createComponentInstanceForVnode(
|
|
vnode,
|
|
activeInstance
|
|
);
|
|
child.$mount(hydrating ? vnode.elm : undefined, hydrating);
|
|
}
|
|
},
|
|
|
|
prepatch: function prepatch (oldVnode, vnode) {
|
|
var options = vnode.componentOptions;
|
|
var child = vnode.componentInstance = oldVnode.componentInstance;
|
|
updateChildComponent(
|
|
child,
|
|
options.propsData, // updated props
|
|
options.listeners, // updated listeners
|
|
vnode, // new parent vnode
|
|
options.children // new children
|
|
);
|
|
},
|
|
|
|
insert: function insert (vnode) {
|
|
var context = vnode.context;
|
|
var componentInstance = vnode.componentInstance;
|
|
if (!componentInstance._isMounted) {
|
|
componentInstance._isMounted = true;
|
|
callHook(componentInstance, 'mounted');
|
|
}
|
|
if (vnode.data.keepAlive) {
|
|
if (context._isMounted) {
|
|
// vue-router#1212
|
|
// During updates, a kept-alive component's child components may
|
|
// change, so directly walking the tree here may call activated hooks
|
|
// on incorrect children. Instead we push them into a queue which will
|
|
// be processed after the whole patch process ended.
|
|
queueActivatedComponent(componentInstance);
|
|
} else {
|
|
activateChildComponent(componentInstance, true /* direct */);
|
|
}
|
|
}
|
|
},
|
|
|
|
destroy: function destroy (vnode) {
|
|
var componentInstance = vnode.componentInstance;
|
|
if (!componentInstance._isDestroyed) {
|
|
if (!vnode.data.keepAlive) {
|
|
componentInstance.$destroy();
|
|
} else {
|
|
deactivateChildComponent(componentInstance, true /* direct */);
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
var hooksToMerge = Object.keys(componentVNodeHooks);
|
|
|
|
function createComponent (
|
|
Ctor,
|
|
data,
|
|
context,
|
|
children,
|
|
tag
|
|
) {
|
|
if (isUndef(Ctor)) {
|
|
return
|
|
}
|
|
|
|
var baseCtor = context.$options._base;
|
|
|
|
// plain options object: turn it into a constructor
|
|
if (isObject(Ctor)) {
|
|
Ctor = baseCtor.extend(Ctor);
|
|
}
|
|
|
|
// if at this stage it's not a constructor or an async component factory,
|
|
// reject.
|
|
if (typeof Ctor !== 'function') {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
warn(("Invalid Component definition: " + (String(Ctor))), context);
|
|
}
|
|
return
|
|
}
|
|
|
|
// async component
|
|
var asyncFactory;
|
|
if (isUndef(Ctor.cid)) {
|
|
asyncFactory = Ctor;
|
|
Ctor = resolveAsyncComponent(asyncFactory, baseCtor, context);
|
|
if (Ctor === undefined) {
|
|
// return a placeholder node for async component, which is rendered
|
|
// as a comment node but preserves all the raw information for the node.
|
|
// the information will be used for async server-rendering and hydration.
|
|
return createAsyncPlaceholder(
|
|
asyncFactory,
|
|
data,
|
|
context,
|
|
children,
|
|
tag
|
|
)
|
|
}
|
|
}
|
|
|
|
data = data || {};
|
|
|
|
// resolve constructor options in case global mixins are applied after
|
|
// component constructor creation
|
|
resolveConstructorOptions(Ctor);
|
|
|
|
// transform component v-model data into props & events
|
|
if (isDef(data.model)) {
|
|
transformModel(Ctor.options, data);
|
|
}
|
|
|
|
// extract props
|
|
var propsData = extractPropsFromVNodeData(data, Ctor, tag);
|
|
|
|
// functional component
|
|
if (isTrue(Ctor.options.functional)) {
|
|
return createFunctionalComponent(Ctor, propsData, data, context, children)
|
|
}
|
|
|
|
// extract listeners, since these needs to be treated as
|
|
// child component listeners instead of DOM listeners
|
|
var listeners = data.on;
|
|
// replace with listeners with .native modifier
|
|
// so it gets processed during parent component patch.
|
|
data.on = data.nativeOn;
|
|
|
|
if (isTrue(Ctor.options.abstract)) {
|
|
// abstract components do not keep anything
|
|
// other than props & listeners & slot
|
|
|
|
// work around flow
|
|
var slot = data.slot;
|
|
data = {};
|
|
if (slot) {
|
|
data.slot = slot;
|
|
}
|
|
}
|
|
|
|
// install component management hooks onto the placeholder node
|
|
installComponentHooks(data);
|
|
|
|
// return a placeholder vnode
|
|
var name = Ctor.options.name || tag;
|
|
var vnode = new VNode(
|
|
("vue-component-" + (Ctor.cid) + (name ? ("-" + name) : '')),
|
|
data, undefined, undefined, undefined, context,
|
|
{ Ctor: Ctor, propsData: propsData, listeners: listeners, tag: tag, children: children },
|
|
asyncFactory
|
|
);
|
|
|
|
return vnode
|
|
}
|
|
|
|
function createComponentInstanceForVnode (
|
|
vnode, // we know it's MountedComponentVNode but flow doesn't
|
|
parent // activeInstance in lifecycle state
|
|
) {
|
|
var options = {
|
|
_isComponent: true,
|
|
_parentVnode: vnode,
|
|
parent: parent
|
|
};
|
|
// check inline-template render functions
|
|
var inlineTemplate = vnode.data.inlineTemplate;
|
|
if (isDef(inlineTemplate)) {
|
|
options.render = inlineTemplate.render;
|
|
options.staticRenderFns = inlineTemplate.staticRenderFns;
|
|
}
|
|
return new vnode.componentOptions.Ctor(options)
|
|
}
|
|
|
|
function installComponentHooks (data) {
|
|
var hooks = data.hook || (data.hook = {});
|
|
for (var i = 0; i < hooksToMerge.length; i++) {
|
|
var key = hooksToMerge[i];
|
|
var existing = hooks[key];
|
|
var toMerge = componentVNodeHooks[key];
|
|
if (existing !== toMerge && !(existing && existing._merged)) {
|
|
hooks[key] = existing ? mergeHook$1(toMerge, existing) : toMerge;
|
|
}
|
|
}
|
|
}
|
|
|
|
function mergeHook$1 (f1, f2) {
|
|
var merged = function (a, b) {
|
|
// flow complains about extra args which is why we use any
|
|
f1(a, b);
|
|
f2(a, b);
|
|
};
|
|
merged._merged = true;
|
|
return merged
|
|
}
|
|
|
|
// transform component v-model info (value and callback) into
|
|
// prop and event handler respectively.
|
|
function transformModel (options, data) {
|
|
var prop = (options.model && options.model.prop) || 'value';
|
|
var event = (options.model && options.model.event) || 'input'
|
|
;(data.props || (data.props = {}))[prop] = data.model.value;
|
|
var on = data.on || (data.on = {});
|
|
var existing = on[event];
|
|
var callback = data.model.callback;
|
|
if (isDef(existing)) {
|
|
if (
|
|
Array.isArray(existing)
|
|
? existing.indexOf(callback) === -1
|
|
: existing !== callback
|
|
) {
|
|
on[event] = [callback].concat(existing);
|
|
}
|
|
} else {
|
|
on[event] = callback;
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
var warned = Object.create(null);
|
|
var warnOnce = function (msg) {
|
|
if (!warned[msg]) {
|
|
warned[msg] = true;
|
|
console.warn(("\n\u001b[31m" + msg + "\u001b[39m\n"));
|
|
}
|
|
};
|
|
|
|
var onCompilationError = function (err, vm) {
|
|
var trace = vm ? generateComponentTrace(vm) : '';
|
|
throw new Error(("\n\u001b[31m" + err + trace + "\u001b[39m\n"))
|
|
};
|
|
|
|
var normalizeRender = function (vm) {
|
|
var ref = vm.$options;
|
|
var render = ref.render;
|
|
var template = ref.template;
|
|
var _scopeId = ref._scopeId;
|
|
if (isUndef(render)) {
|
|
if (template) {
|
|
var compiled = compileToFunctions(template, {
|
|
scopeId: _scopeId,
|
|
warn: onCompilationError
|
|
}, vm);
|
|
|
|
vm.$options.render = compiled.render;
|
|
vm.$options.staticRenderFns = compiled.staticRenderFns;
|
|
} else {
|
|
throw new Error(
|
|
("render function or template not defined in component: " + (vm.$options.name || vm.$options._componentTag || 'anonymous'))
|
|
)
|
|
}
|
|
}
|
|
};
|
|
|
|
function renderNode (node, isRoot, context) {
|
|
if (node.isString) {
|
|
renderStringNode$1(node, context);
|
|
} else if (isDef(node.componentOptions)) {
|
|
renderComponent(node, isRoot, context);
|
|
} else if (isDef(node.tag)) {
|
|
renderElement(node, isRoot, context);
|
|
} else if (isTrue(node.isComment)) {
|
|
if (isDef(node.asyncFactory)) {
|
|
// async component
|
|
renderAsyncComponent(node, isRoot, context);
|
|
} else {
|
|
context.write(("<!--" + (node.text) + "-->"), context.next);
|
|
}
|
|
} else {
|
|
context.write(
|
|
node.raw ? node.text : escape(String(node.text)),
|
|
context.next
|
|
);
|
|
}
|
|
}
|
|
|
|
function registerComponentForCache (options, write) {
|
|
// exposed by vue-loader, need to call this if cache hit because
|
|
// component lifecycle hooks will not be called.
|
|
var register = options._ssrRegister;
|
|
if (write.caching && isDef(register)) {
|
|
write.componentBuffer[write.componentBuffer.length - 1].add(register);
|
|
}
|
|
return register
|
|
}
|
|
|
|
function renderComponent (node, isRoot, context) {
|
|
var write = context.write;
|
|
var next = context.next;
|
|
var userContext = context.userContext;
|
|
|
|
// check cache hit
|
|
var Ctor = node.componentOptions.Ctor;
|
|
var getKey = Ctor.options.serverCacheKey;
|
|
var name = Ctor.options.name;
|
|
var cache = context.cache;
|
|
var registerComponent = registerComponentForCache(Ctor.options, write);
|
|
|
|
if (isDef(getKey) && isDef(cache) && isDef(name)) {
|
|
var key = name + '::' + getKey(node.componentOptions.propsData);
|
|
var has = context.has;
|
|
var get = context.get;
|
|
if (isDef(has)) {
|
|
has(key, function (hit) {
|
|
if (hit === true && isDef(get)) {
|
|
get(key, function (res) {
|
|
if (isDef(registerComponent)) {
|
|
registerComponent(userContext);
|
|
}
|
|
res.components.forEach(function (register) { return register(userContext); });
|
|
write(res.html, next);
|
|
});
|
|
} else {
|
|
renderComponentWithCache(node, isRoot, key, context);
|
|
}
|
|
});
|
|
} else if (isDef(get)) {
|
|
get(key, function (res) {
|
|
if (isDef(res)) {
|
|
if (isDef(registerComponent)) {
|
|
registerComponent(userContext);
|
|
}
|
|
res.components.forEach(function (register) { return register(userContext); });
|
|
write(res.html, next);
|
|
} else {
|
|
renderComponentWithCache(node, isRoot, key, context);
|
|
}
|
|
});
|
|
}
|
|
} else {
|
|
if (isDef(getKey) && isUndef(cache)) {
|
|
warnOnce(
|
|
"[vue-server-renderer] Component " + (Ctor.options.name || '(anonymous)') + " implemented serverCacheKey, " +
|
|
'but no cache was provided to the renderer.'
|
|
);
|
|
}
|
|
if (isDef(getKey) && isUndef(name)) {
|
|
warnOnce(
|
|
"[vue-server-renderer] Components that implement \"serverCacheKey\" " +
|
|
"must also define a unique \"name\" option."
|
|
);
|
|
}
|
|
renderComponentInner(node, isRoot, context);
|
|
}
|
|
}
|
|
|
|
function renderComponentWithCache (node, isRoot, key, context) {
|
|
var write = context.write;
|
|
write.caching = true;
|
|
var buffer = write.cacheBuffer;
|
|
var bufferIndex = buffer.push('') - 1;
|
|
var componentBuffer = write.componentBuffer;
|
|
componentBuffer.push(new Set());
|
|
context.renderStates.push({
|
|
type: 'ComponentWithCache',
|
|
key: key,
|
|
buffer: buffer,
|
|
bufferIndex: bufferIndex,
|
|
componentBuffer: componentBuffer
|
|
});
|
|
renderComponentInner(node, isRoot, context);
|
|
}
|
|
|
|
function renderComponentInner (node, isRoot, context) {
|
|
var prevActive = context.activeInstance;
|
|
// expose userContext on vnode
|
|
node.ssrContext = context.userContext;
|
|
var child = context.activeInstance = createComponentInstanceForVnode(
|
|
node,
|
|
context.activeInstance
|
|
);
|
|
normalizeRender(child);
|
|
var childNode = child._render();
|
|
childNode.parent = node;
|
|
context.renderStates.push({
|
|
type: 'Component',
|
|
prevActive: prevActive
|
|
});
|
|
renderNode(childNode, isRoot, context);
|
|
}
|
|
|
|
function renderAsyncComponent (node, isRoot, context) {
|
|
var factory = node.asyncFactory;
|
|
|
|
var resolve = function (comp) {
|
|
if (comp.__esModule && comp.default) {
|
|
comp = comp.default;
|
|
}
|
|
var ref = node.asyncMeta;
|
|
var data = ref.data;
|
|
var children = ref.children;
|
|
var tag = ref.tag;
|
|
var nodeContext = node.asyncMeta.context;
|
|
var resolvedNode = createComponent(
|
|
comp,
|
|
data,
|
|
nodeContext,
|
|
children,
|
|
tag
|
|
);
|
|
if (resolvedNode) {
|
|
if (resolvedNode.componentOptions) {
|
|
// normal component
|
|
renderComponent(resolvedNode, isRoot, context);
|
|
} else if (!Array.isArray(resolvedNode)) {
|
|
// single return node from functional component
|
|
renderNode(resolvedNode, isRoot, context);
|
|
} else {
|
|
// multiple return nodes from functional component
|
|
context.renderStates.push({
|
|
type: 'Fragment',
|
|
children: resolvedNode,
|
|
rendered: 0,
|
|
total: resolvedNode.length
|
|
});
|
|
context.next();
|
|
}
|
|
} else {
|
|
// invalid component, but this does not throw on the client
|
|
// so render empty comment node
|
|
context.write("<!---->", context.next);
|
|
}
|
|
};
|
|
|
|
if (factory.resolved) {
|
|
resolve(factory.resolved);
|
|
return
|
|
}
|
|
|
|
var reject = context.done;
|
|
var res;
|
|
try {
|
|
res = factory(resolve, reject);
|
|
} catch (e) {
|
|
reject(e);
|
|
}
|
|
if (res) {
|
|
if (typeof res.then === 'function') {
|
|
res.then(resolve, reject).catch(reject);
|
|
} else {
|
|
// new syntax in 2.3
|
|
var comp = res.component;
|
|
if (comp && typeof comp.then === 'function') {
|
|
comp.then(resolve, reject).catch(reject);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function renderStringNode$1 (el, context) {
|
|
var write = context.write;
|
|
var next = context.next;
|
|
if (isUndef(el.children) || el.children.length === 0) {
|
|
write(el.open + (el.close || ''), next);
|
|
} else {
|
|
var children = el.children;
|
|
context.renderStates.push({
|
|
type: 'Element',
|
|
children: children,
|
|
rendered: 0,
|
|
total: children.length,
|
|
endTag: el.close
|
|
});
|
|
write(el.open, next);
|
|
}
|
|
}
|
|
|
|
function renderElement (el, isRoot, context) {
|
|
var write = context.write;
|
|
var next = context.next;
|
|
|
|
if (isTrue(isRoot)) {
|
|
if (!el.data) { el.data = {}; }
|
|
if (!el.data.attrs) { el.data.attrs = {}; }
|
|
el.data.attrs[SSR_ATTR] = 'true';
|
|
}
|
|
|
|
if (el.fnOptions) {
|
|
registerComponentForCache(el.fnOptions, write);
|
|
}
|
|
|
|
var startTag = renderStartingTag(el, context);
|
|
var endTag = "</" + (el.tag) + ">";
|
|
if (context.isUnaryTag(el.tag)) {
|
|
write(startTag, next);
|
|
} else if (isUndef(el.children) || el.children.length === 0) {
|
|
write(startTag + endTag, next);
|
|
} else {
|
|
var children = el.children;
|
|
context.renderStates.push({
|
|
type: 'Element',
|
|
children: children,
|
|
rendered: 0,
|
|
total: children.length,
|
|
endTag: endTag
|
|
});
|
|
write(startTag, next);
|
|
}
|
|
}
|
|
|
|
function hasAncestorData (node) {
|
|
var parentNode = node.parent;
|
|
return isDef(parentNode) && (isDef(parentNode.data) || hasAncestorData(parentNode))
|
|
}
|
|
|
|
function getVShowDirectiveInfo (node) {
|
|
var dir;
|
|
var tmp;
|
|
|
|
while (isDef(node)) {
|
|
if (node.data && node.data.directives) {
|
|
tmp = node.data.directives.find(function (dir) { return dir.name === 'show'; });
|
|
if (tmp) {
|
|
dir = tmp;
|
|
}
|
|
}
|
|
node = node.parent;
|
|
}
|
|
return dir
|
|
}
|
|
|
|
function renderStartingTag (node, context) {
|
|
var markup = "<" + (node.tag);
|
|
var directives = context.directives;
|
|
var modules = context.modules;
|
|
|
|
// construct synthetic data for module processing
|
|
// because modules like style also produce code by parent VNode data
|
|
if (isUndef(node.data) && hasAncestorData(node)) {
|
|
node.data = {};
|
|
}
|
|
if (isDef(node.data)) {
|
|
// check directives
|
|
var dirs = node.data.directives;
|
|
if (dirs) {
|
|
for (var i = 0; i < dirs.length; i++) {
|
|
var name = dirs[i].name;
|
|
if (name !== 'show') {
|
|
var dirRenderer = resolveAsset(context, 'directives', name, true);
|
|
if (dirRenderer) {
|
|
// directives mutate the node's data
|
|
// which then gets rendered by modules
|
|
dirRenderer(node, dirs[i]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// v-show directive needs to be merged from parent to child
|
|
var vshowDirectiveInfo = getVShowDirectiveInfo(node);
|
|
if (vshowDirectiveInfo) {
|
|
directives.show(node, vshowDirectiveInfo);
|
|
}
|
|
|
|
// apply other modules
|
|
for (var i$1 = 0; i$1 < modules.length; i$1++) {
|
|
var res = modules[i$1](node);
|
|
if (res) {
|
|
markup += res;
|
|
}
|
|
}
|
|
}
|
|
// attach scoped CSS ID
|
|
var scopeId;
|
|
var activeInstance = context.activeInstance;
|
|
if (isDef(activeInstance) &&
|
|
activeInstance !== node.context &&
|
|
isDef(scopeId = activeInstance.$options._scopeId)
|
|
) {
|
|
markup += " " + ((scopeId));
|
|
}
|
|
if (isDef(node.fnScopeId)) {
|
|
markup += " " + (node.fnScopeId);
|
|
} else {
|
|
while (isDef(node)) {
|
|
if (isDef(scopeId = node.context.$options._scopeId)) {
|
|
markup += " " + scopeId;
|
|
}
|
|
node = node.parent;
|
|
}
|
|
}
|
|
return markup + '>'
|
|
}
|
|
|
|
function createRenderFunction (
|
|
modules,
|
|
directives,
|
|
isUnaryTag,
|
|
cache
|
|
) {
|
|
return function render (
|
|
component,
|
|
write,
|
|
userContext,
|
|
done
|
|
) {
|
|
warned = Object.create(null);
|
|
var context = new RenderContext({
|
|
activeInstance: component,
|
|
userContext: userContext,
|
|
write: write, done: done, renderNode: renderNode,
|
|
isUnaryTag: isUnaryTag, modules: modules, directives: directives,
|
|
cache: cache
|
|
});
|
|
installSSRHelpers(component);
|
|
normalizeRender(component);
|
|
renderNode(component._render(), true, context);
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
var isJS = function (file) { return /\.js(\?[^.]+)?$/.test(file); };
|
|
|
|
var isCSS = function (file) { return /\.css(\?[^.]+)?$/.test(file); };
|
|
|
|
function createPromiseCallback () {
|
|
var resolve, reject;
|
|
var promise = new Promise(function (_resolve, _reject) {
|
|
resolve = _resolve;
|
|
reject = _reject;
|
|
});
|
|
var cb = function (err, res) {
|
|
if (err) { return reject(err) }
|
|
resolve(res || '');
|
|
};
|
|
return { promise: promise, cb: cb }
|
|
}
|
|
|
|
/* */
|
|
|
|
var Transform = require('stream').Transform;
|
|
|
|
|
|
|
|
var TemplateStream = /*@__PURE__*/(function (Transform) {
|
|
function TemplateStream (
|
|
renderer,
|
|
template,
|
|
context
|
|
) {
|
|
Transform.call(this);
|
|
this.started = false;
|
|
this.renderer = renderer;
|
|
this.template = template;
|
|
this.context = context || {};
|
|
this.inject = renderer.inject;
|
|
}
|
|
|
|
if ( Transform ) TemplateStream.__proto__ = Transform;
|
|
TemplateStream.prototype = Object.create( Transform && Transform.prototype );
|
|
TemplateStream.prototype.constructor = TemplateStream;
|
|
|
|
TemplateStream.prototype._transform = function _transform (data, encoding, done) {
|
|
if (!this.started) {
|
|
this.emit('beforeStart');
|
|
this.start();
|
|
}
|
|
this.push(data);
|
|
done();
|
|
};
|
|
|
|
TemplateStream.prototype.start = function start () {
|
|
this.started = true;
|
|
this.push(this.template.head(this.context));
|
|
|
|
if (this.inject) {
|
|
// inline server-rendered head meta information
|
|
if (this.context.head) {
|
|
this.push(this.context.head);
|
|
}
|
|
|
|
// inline preload/prefetch directives for initial/async chunks
|
|
var links = this.renderer.renderResourceHints(this.context);
|
|
if (links) {
|
|
this.push(links);
|
|
}
|
|
|
|
// CSS files and inline server-rendered CSS collected by vue-style-loader
|
|
var styles = this.renderer.renderStyles(this.context);
|
|
if (styles) {
|
|
this.push(styles);
|
|
}
|
|
}
|
|
|
|
this.push(this.template.neck(this.context));
|
|
};
|
|
|
|
TemplateStream.prototype._flush = function _flush (done) {
|
|
this.emit('beforeEnd');
|
|
|
|
if (this.inject) {
|
|
// inline initial store state
|
|
var state = this.renderer.renderState(this.context);
|
|
if (state) {
|
|
this.push(state);
|
|
}
|
|
|
|
// embed scripts needed
|
|
var scripts = this.renderer.renderScripts(this.context);
|
|
if (scripts) {
|
|
this.push(scripts);
|
|
}
|
|
}
|
|
|
|
this.push(this.template.tail(this.context));
|
|
done();
|
|
};
|
|
|
|
return TemplateStream;
|
|
}(Transform));
|
|
|
|
/* */
|
|
|
|
var compile$1 = require('lodash.template');
|
|
var compileOptions = {
|
|
escape: /{{([^{][\s\S]+?[^}])}}/g,
|
|
interpolate: /{{{([\s\S]+?)}}}/g
|
|
};
|
|
|
|
|
|
|
|
function parseTemplate (
|
|
template,
|
|
contentPlaceholder
|
|
) {
|
|
if ( contentPlaceholder === void 0 ) contentPlaceholder = '<!--vue-ssr-outlet-->';
|
|
|
|
if (typeof template === 'object') {
|
|
return template
|
|
}
|
|
|
|
var i = template.indexOf('</head>');
|
|
var j = template.indexOf(contentPlaceholder);
|
|
|
|
if (j < 0) {
|
|
throw new Error("Content placeholder not found in template.")
|
|
}
|
|
|
|
if (i < 0) {
|
|
i = template.indexOf('<body>');
|
|
if (i < 0) {
|
|
i = j;
|
|
}
|
|
}
|
|
|
|
return {
|
|
head: compile$1(template.slice(0, i), compileOptions),
|
|
neck: compile$1(template.slice(i, j), compileOptions),
|
|
tail: compile$1(template.slice(j + contentPlaceholder.length), compileOptions)
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
/**
|
|
* Creates a mapper that maps components used during a server-side render
|
|
* to async chunk files in the client-side build, so that we can inline them
|
|
* directly in the rendered HTML to avoid waterfall requests.
|
|
*/
|
|
|
|
|
|
|
|
|
|
|
|
function createMapper (
|
|
clientManifest
|
|
) {
|
|
var map = createMap(clientManifest);
|
|
// map server-side moduleIds to client-side files
|
|
return function mapper (moduleIds) {
|
|
var res = new Set();
|
|
for (var i = 0; i < moduleIds.length; i++) {
|
|
var mapped = map.get(moduleIds[i]);
|
|
if (mapped) {
|
|
for (var j = 0; j < mapped.length; j++) {
|
|
res.add(mapped[j]);
|
|
}
|
|
}
|
|
}
|
|
return Array.from(res)
|
|
}
|
|
}
|
|
|
|
function createMap (clientManifest) {
|
|
var map = new Map();
|
|
Object.keys(clientManifest.modules).forEach(function (id) {
|
|
map.set(id, mapIdToFile(id, clientManifest));
|
|
});
|
|
return map
|
|
}
|
|
|
|
function mapIdToFile (id, clientManifest) {
|
|
var files = [];
|
|
var fileIndices = clientManifest.modules[id];
|
|
if (fileIndices) {
|
|
fileIndices.forEach(function (index) {
|
|
var file = clientManifest.all[index];
|
|
// only include async files or non-js assets
|
|
if (clientManifest.async.indexOf(file) > -1 || !(/\.js($|\?)/.test(file))) {
|
|
files.push(file);
|
|
}
|
|
});
|
|
}
|
|
return files
|
|
}
|
|
|
|
/* */
|
|
|
|
var path = require('path');
|
|
var serialize = require('serialize-javascript');
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
var TemplateRenderer = function TemplateRenderer (options) {
|
|
this.options = options;
|
|
this.inject = options.inject !== false;
|
|
// if no template option is provided, the renderer is created
|
|
// as a utility object for rendering assets like preload links and scripts.
|
|
this.parsedTemplate = options.template
|
|
? parseTemplate(options.template)
|
|
: null;
|
|
|
|
// extra functionality with client manifest
|
|
if (options.clientManifest) {
|
|
var clientManifest = this.clientManifest = options.clientManifest;
|
|
this.publicPath = clientManifest.publicPath;
|
|
// preload/prefetch directives
|
|
this.preloadFiles = (clientManifest.initial || []).map(normalizeFile);
|
|
this.prefetchFiles = (clientManifest.async || []).map(normalizeFile);
|
|
// initial async chunk mapping
|
|
this.mapFiles = createMapper(clientManifest);
|
|
}
|
|
};
|
|
|
|
TemplateRenderer.prototype.bindRenderFns = function bindRenderFns (context) {
|
|
var renderer = this
|
|
;['ResourceHints', 'State', 'Scripts', 'Styles'].forEach(function (type) {
|
|
context[("render" + type)] = renderer[("render" + type)].bind(renderer, context);
|
|
});
|
|
// also expose getPreloadFiles, useful for HTTP/2 push
|
|
context.getPreloadFiles = renderer.getPreloadFiles.bind(renderer, context);
|
|
};
|
|
|
|
// render synchronously given rendered app content and render context
|
|
TemplateRenderer.prototype.renderSync = function renderSync (content, context) {
|
|
var template = this.parsedTemplate;
|
|
if (!template) {
|
|
throw new Error('renderSync cannot be called without a template.')
|
|
}
|
|
context = context || {};
|
|
if (this.inject) {
|
|
return (
|
|
template.head(context) +
|
|
(context.head || '') +
|
|
this.renderResourceHints(context) +
|
|
this.renderStyles(context) +
|
|
template.neck(context) +
|
|
content +
|
|
this.renderState(context) +
|
|
this.renderScripts(context) +
|
|
template.tail(context)
|
|
)
|
|
} else {
|
|
return (
|
|
template.head(context) +
|
|
template.neck(context) +
|
|
content +
|
|
template.tail(context)
|
|
)
|
|
}
|
|
};
|
|
|
|
TemplateRenderer.prototype.renderStyles = function renderStyles (context) {
|
|
var this$1 = this;
|
|
|
|
var initial = this.preloadFiles || [];
|
|
var async = this.getUsedAsyncFiles(context) || [];
|
|
var cssFiles = initial.concat(async).filter(function (ref) {
|
|
var file = ref.file;
|
|
|
|
return isCSS(file);
|
|
});
|
|
return (
|
|
// render links for css files
|
|
(cssFiles.length
|
|
? cssFiles.map(function (ref) {
|
|
var file = ref.file;
|
|
|
|
return ("<link rel=\"stylesheet\" href=\"" + (this$1.getPublicPath(file)) + "\">");
|
|
}).join('')
|
|
: '') +
|
|
// context.styles is a getter exposed by vue-style-loader which contains
|
|
// the inline component styles collected during SSR
|
|
(context.styles || '')
|
|
)
|
|
};
|
|
|
|
TemplateRenderer.prototype.renderResourceHints = function renderResourceHints (context) {
|
|
return this.renderPreloadLinks(context) + this.renderPrefetchLinks(context)
|
|
};
|
|
|
|
TemplateRenderer.prototype.getPreloadFiles = function getPreloadFiles (context) {
|
|
var usedAsyncFiles = this.getUsedAsyncFiles(context);
|
|
if (this.preloadFiles || usedAsyncFiles) {
|
|
return (this.preloadFiles || []).concat(usedAsyncFiles || [])
|
|
} else {
|
|
return []
|
|
}
|
|
};
|
|
|
|
TemplateRenderer.prototype.renderPreloadLinks = function renderPreloadLinks (context) {
|
|
var this$1 = this;
|
|
|
|
var files = this.getPreloadFiles(context);
|
|
var shouldPreload = this.options.shouldPreload;
|
|
if (files.length) {
|
|
return files.map(function (ref) {
|
|
var file = ref.file;
|
|
var extension = ref.extension;
|
|
var fileWithoutQuery = ref.fileWithoutQuery;
|
|
var asType = ref.asType;
|
|
|
|
var extra = '';
|
|
// by default, we only preload scripts or css
|
|
if (!shouldPreload && asType !== 'script' && asType !== 'style') {
|
|
return ''
|
|
}
|
|
// user wants to explicitly control what to preload
|
|
if (shouldPreload && !shouldPreload(fileWithoutQuery, asType)) {
|
|
return ''
|
|
}
|
|
if (asType === 'font') {
|
|
extra = " type=\"font/" + extension + "\" crossorigin";
|
|
}
|
|
return ("<link rel=\"preload\" href=\"" + (this$1.getPublicPath(file)) + "\"" + (asType !== '' ? (" as=\"" + asType + "\"") : '') + extra + ">")
|
|
}).join('')
|
|
} else {
|
|
return ''
|
|
}
|
|
};
|
|
|
|
TemplateRenderer.prototype.renderPrefetchLinks = function renderPrefetchLinks (context) {
|
|
var this$1 = this;
|
|
|
|
var shouldPrefetch = this.options.shouldPrefetch;
|
|
if (this.prefetchFiles) {
|
|
var usedAsyncFiles = this.getUsedAsyncFiles(context);
|
|
var alreadyRendered = function (file) {
|
|
return usedAsyncFiles && usedAsyncFiles.some(function (f) { return f.file === file; })
|
|
};
|
|
return this.prefetchFiles.map(function (ref) {
|
|
var file = ref.file;
|
|
var fileWithoutQuery = ref.fileWithoutQuery;
|
|
var asType = ref.asType;
|
|
|
|
if (shouldPrefetch && !shouldPrefetch(fileWithoutQuery, asType)) {
|
|
return ''
|
|
}
|
|
if (alreadyRendered(file)) {
|
|
return ''
|
|
}
|
|
return ("<link rel=\"prefetch\" href=\"" + (this$1.getPublicPath(file)) + "\">")
|
|
}).join('')
|
|
} else {
|
|
return ''
|
|
}
|
|
};
|
|
|
|
TemplateRenderer.prototype.renderState = function renderState (context, options) {
|
|
var ref = options || {};
|
|
var contextKey = ref.contextKey; if ( contextKey === void 0 ) contextKey = 'state';
|
|
var windowKey = ref.windowKey; if ( windowKey === void 0 ) windowKey = '__INITIAL_STATE__';
|
|
var state = serialize(context[contextKey], { isJSON: true });
|
|
var autoRemove = process.env.NODE_ENV === 'production'
|
|
? ';(function(){var s;(s=document.currentScript||document.scripts[document.scripts.length-1]).parentNode.removeChild(s);}());'
|
|
: '';
|
|
return context[contextKey]
|
|
? ("<script>window." + windowKey + "=" + state + autoRemove + "</script>")
|
|
: ''
|
|
};
|
|
|
|
TemplateRenderer.prototype.renderScripts = function renderScripts (context) {
|
|
var this$1 = this;
|
|
|
|
if (this.clientManifest) {
|
|
var initial = this.preloadFiles.filter(function (ref) {
|
|
var file = ref.file;
|
|
|
|
return isJS(file);
|
|
});
|
|
var async = (this.getUsedAsyncFiles(context) || []).filter(function (ref) {
|
|
var file = ref.file;
|
|
|
|
return isJS(file);
|
|
});
|
|
var needed = [initial[0]].concat(async || [], initial.slice(1));
|
|
return needed.map(function (ref) {
|
|
var file = ref.file;
|
|
|
|
return ("<script src=\"" + (this$1.getPublicPath(file)) + "\" defer></script>")
|
|
}).join('')
|
|
} else {
|
|
return ''
|
|
}
|
|
};
|
|
|
|
TemplateRenderer.prototype.getUsedAsyncFiles = function getUsedAsyncFiles (context) {
|
|
if (!context._mappedFiles && context._registeredComponents && this.mapFiles) {
|
|
var registered = Array.from(context._registeredComponents);
|
|
context._mappedFiles = this.mapFiles(registered).map(normalizeFile);
|
|
}
|
|
return context._mappedFiles
|
|
};
|
|
|
|
// create a transform stream
|
|
TemplateRenderer.prototype.createStream = function createStream (context) {
|
|
if (!this.parsedTemplate) {
|
|
throw new Error('createStream cannot be called without a template.')
|
|
}
|
|
return new TemplateStream(this, this.parsedTemplate, context || {})
|
|
};
|
|
|
|
TemplateRenderer.prototype.getPublicPath = function getPublicPath (file) {
|
|
return path.posix.join(this.publicPath, file)
|
|
};
|
|
|
|
function normalizeFile (file) {
|
|
var withoutQuery = file.replace(/\?.*/, '');
|
|
var extension = path.extname(withoutQuery).slice(1);
|
|
return {
|
|
file: file,
|
|
extension: extension,
|
|
fileWithoutQuery: withoutQuery,
|
|
asType: getPreloadType(extension)
|
|
}
|
|
}
|
|
|
|
function getPreloadType (ext) {
|
|
if (ext === 'js') {
|
|
return 'script'
|
|
} else if (ext === 'css') {
|
|
return 'style'
|
|
} else if (/jpe?g|png|svg|gif|webp|ico/.test(ext)) {
|
|
return 'image'
|
|
} else if (/woff2?|ttf|otf|eot/.test(ext)) {
|
|
return 'font'
|
|
} else {
|
|
// not exhausting all possibilities here, but above covers common cases
|
|
return ''
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
function createRenderer (ref) {
|
|
if ( ref === void 0 ) ref = {};
|
|
var modules = ref.modules; if ( modules === void 0 ) modules = [];
|
|
var directives = ref.directives; if ( directives === void 0 ) directives = {};
|
|
var isUnaryTag = ref.isUnaryTag; if ( isUnaryTag === void 0 ) isUnaryTag = (function () { return false; });
|
|
var template = ref.template;
|
|
var inject = ref.inject;
|
|
var cache = ref.cache;
|
|
var shouldPreload = ref.shouldPreload;
|
|
var shouldPrefetch = ref.shouldPrefetch;
|
|
var clientManifest = ref.clientManifest;
|
|
|
|
var render = createRenderFunction(modules, directives, isUnaryTag, cache);
|
|
var templateRenderer = new TemplateRenderer({
|
|
template: template,
|
|
inject: inject,
|
|
shouldPreload: shouldPreload,
|
|
shouldPrefetch: shouldPrefetch,
|
|
clientManifest: clientManifest
|
|
});
|
|
|
|
return {
|
|
renderToString: function renderToString (
|
|
component,
|
|
context,
|
|
cb
|
|
) {
|
|
var assign;
|
|
|
|
if (typeof context === 'function') {
|
|
cb = context;
|
|
context = {};
|
|
}
|
|
if (context) {
|
|
templateRenderer.bindRenderFns(context);
|
|
}
|
|
|
|
// no callback, return Promise
|
|
var promise;
|
|
if (!cb) {
|
|
((assign = createPromiseCallback(), promise = assign.promise, cb = assign.cb));
|
|
}
|
|
|
|
var result = '';
|
|
var write = createWriteFunction(function (text) {
|
|
result += text;
|
|
return false
|
|
}, cb);
|
|
try {
|
|
render(component, write, context, function (err) {
|
|
if (template) {
|
|
result = templateRenderer.renderSync(result, context);
|
|
}
|
|
if (err) {
|
|
cb(err);
|
|
} else {
|
|
cb(null, result);
|
|
}
|
|
});
|
|
} catch (e) {
|
|
cb(e);
|
|
}
|
|
|
|
return promise
|
|
},
|
|
|
|
renderToStream: function renderToStream (
|
|
component,
|
|
context
|
|
) {
|
|
if (context) {
|
|
templateRenderer.bindRenderFns(context);
|
|
}
|
|
var renderStream = new RenderStream(function (write, done) {
|
|
render(component, write, context, done);
|
|
});
|
|
if (!template) {
|
|
return renderStream
|
|
} else {
|
|
var templateStream = templateRenderer.createStream(context);
|
|
renderStream.on('error', function (err) {
|
|
templateStream.emit('error', err);
|
|
});
|
|
renderStream.pipe(templateStream);
|
|
return templateStream
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
var vm = require('vm');
|
|
var path$1 = require('path');
|
|
var resolve = require('resolve');
|
|
var NativeModule = require('module');
|
|
|
|
function createSandbox (context) {
|
|
var sandbox = {
|
|
Buffer: Buffer,
|
|
console: console,
|
|
process: process,
|
|
setTimeout: setTimeout,
|
|
setInterval: setInterval,
|
|
setImmediate: setImmediate,
|
|
clearTimeout: clearTimeout,
|
|
clearInterval: clearInterval,
|
|
clearImmediate: clearImmediate,
|
|
__VUE_SSR_CONTEXT__: context
|
|
};
|
|
sandbox.global = sandbox;
|
|
return sandbox
|
|
}
|
|
|
|
function compileModule (files, basedir, runInNewContext) {
|
|
var compiledScripts = {};
|
|
var resolvedModules = {};
|
|
|
|
function getCompiledScript (filename) {
|
|
if (compiledScripts[filename]) {
|
|
return compiledScripts[filename]
|
|
}
|
|
var code = files[filename];
|
|
var wrapper = NativeModule.wrap(code);
|
|
var script = new vm.Script(wrapper, {
|
|
filename: filename,
|
|
displayErrors: true
|
|
});
|
|
compiledScripts[filename] = script;
|
|
return script
|
|
}
|
|
|
|
function evaluateModule (filename, sandbox, evaluatedFiles) {
|
|
if ( evaluatedFiles === void 0 ) evaluatedFiles = {};
|
|
|
|
if (evaluatedFiles[filename]) {
|
|
return evaluatedFiles[filename]
|
|
}
|
|
|
|
var script = getCompiledScript(filename);
|
|
var compiledWrapper = runInNewContext === false
|
|
? script.runInThisContext()
|
|
: script.runInNewContext(sandbox);
|
|
var m = { exports: {}};
|
|
var r = function (file) {
|
|
file = path$1.posix.join('.', file);
|
|
if (files[file]) {
|
|
return evaluateModule(file, sandbox, evaluatedFiles)
|
|
} else if (basedir) {
|
|
return require(
|
|
resolvedModules[file] ||
|
|
(resolvedModules[file] = resolve.sync(file, { basedir: basedir }))
|
|
)
|
|
} else {
|
|
return require(file)
|
|
}
|
|
};
|
|
compiledWrapper.call(m.exports, m.exports, r, m);
|
|
|
|
var res = Object.prototype.hasOwnProperty.call(m.exports, 'default')
|
|
? m.exports.default
|
|
: m.exports;
|
|
evaluatedFiles[filename] = res;
|
|
return res
|
|
}
|
|
return evaluateModule
|
|
}
|
|
|
|
function deepClone (val) {
|
|
if (isPlainObject(val)) {
|
|
var res = {};
|
|
for (var key in val) {
|
|
res[key] = deepClone(val[key]);
|
|
}
|
|
return res
|
|
} else if (Array.isArray(val)) {
|
|
return val.slice()
|
|
} else {
|
|
return val
|
|
}
|
|
}
|
|
|
|
function createBundleRunner (entry, files, basedir, runInNewContext) {
|
|
var evaluate = compileModule(files, basedir, runInNewContext);
|
|
if (runInNewContext !== false && runInNewContext !== 'once') {
|
|
// new context mode: creates a fresh context and re-evaluate the bundle
|
|
// on each render. Ensures entire application state is fresh for each
|
|
// render, but incurs extra evaluation cost.
|
|
return function (userContext) {
|
|
if ( userContext === void 0 ) userContext = {};
|
|
|
|
return new Promise(function (resolve) {
|
|
userContext._registeredComponents = new Set();
|
|
var res = evaluate(entry, createSandbox(userContext));
|
|
resolve(typeof res === 'function' ? res(userContext) : res);
|
|
});
|
|
}
|
|
} else {
|
|
// direct mode: instead of re-evaluating the whole bundle on
|
|
// each render, it simply calls the exported function. This avoids the
|
|
// module evaluation costs but requires the source code to be structured
|
|
// slightly differently.
|
|
var runner; // lazy creation so that errors can be caught by user
|
|
var initialContext;
|
|
return function (userContext) {
|
|
if ( userContext === void 0 ) userContext = {};
|
|
|
|
return new Promise(function (resolve) {
|
|
if (!runner) {
|
|
var sandbox = runInNewContext === 'once'
|
|
? createSandbox()
|
|
: global;
|
|
// the initial context is only used for collecting possible non-component
|
|
// styles injected by vue-style-loader.
|
|
initialContext = sandbox.__VUE_SSR_CONTEXT__ = {};
|
|
runner = evaluate(entry, sandbox);
|
|
// On subsequent renders, __VUE_SSR_CONTEXT__ will not be available
|
|
// to prevent cross-request pollution.
|
|
delete sandbox.__VUE_SSR_CONTEXT__;
|
|
if (typeof runner !== 'function') {
|
|
throw new Error(
|
|
'bundle export should be a function when using ' +
|
|
'{ runInNewContext: false }.'
|
|
)
|
|
}
|
|
}
|
|
userContext._registeredComponents = new Set();
|
|
|
|
// vue-style-loader styles imported outside of component lifecycle hooks
|
|
if (initialContext._styles) {
|
|
userContext._styles = deepClone(initialContext._styles);
|
|
// #6353 ensure "styles" is exposed even if no styles are injected
|
|
// in component lifecycles.
|
|
// the renderStyles fn is exposed by vue-style-loader >= 3.0.3
|
|
var renderStyles = initialContext._renderStyles;
|
|
if (renderStyles) {
|
|
Object.defineProperty(userContext, 'styles', {
|
|
enumerable: true,
|
|
get: function get () {
|
|
return renderStyles(userContext._styles)
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
resolve(runner(userContext));
|
|
});
|
|
}
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
var SourceMapConsumer = require('source-map').SourceMapConsumer;
|
|
|
|
var filenameRE = /\(([^)]+\.js):(\d+):(\d+)\)$/;
|
|
|
|
function createSourceMapConsumers (rawMaps) {
|
|
var maps = {};
|
|
Object.keys(rawMaps).forEach(function (file) {
|
|
maps[file] = new SourceMapConsumer(rawMaps[file]);
|
|
});
|
|
return maps
|
|
}
|
|
|
|
function rewriteErrorTrace (e, mapConsumers) {
|
|
if (e && typeof e.stack === 'string') {
|
|
e.stack = e.stack.split('\n').map(function (line) {
|
|
return rewriteTraceLine(line, mapConsumers)
|
|
}).join('\n');
|
|
}
|
|
}
|
|
|
|
function rewriteTraceLine (trace, mapConsumers) {
|
|
var m = trace.match(filenameRE);
|
|
var map = m && mapConsumers[m[1]];
|
|
if (m != null && map) {
|
|
var originalPosition = map.originalPositionFor({
|
|
line: Number(m[2]),
|
|
column: Number(m[3])
|
|
});
|
|
if (originalPosition.source != null) {
|
|
var source = originalPosition.source;
|
|
var line = originalPosition.line;
|
|
var column = originalPosition.column;
|
|
var mappedPosition = "(" + (source.replace(/^webpack:\/\/\//, '')) + ":" + (String(line)) + ":" + (String(column)) + ")";
|
|
return trace.replace(filenameRE, mappedPosition)
|
|
} else {
|
|
return trace
|
|
}
|
|
} else {
|
|
return trace
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
var fs = require('fs');
|
|
var path$2 = require('path');
|
|
var PassThrough = require('stream').PassThrough;
|
|
|
|
var INVALID_MSG =
|
|
'Invalid server-rendering bundle format. Should be a string ' +
|
|
'or a bundle Object of type:\n\n' +
|
|
"{\n entry: string;\n files: { [filename: string]: string; };\n maps: { [filename: string]: string; };\n}\n";
|
|
|
|
// The render bundle can either be a string (single bundled file)
|
|
// or a bundle manifest object generated by vue-ssr-webpack-plugin.
|
|
|
|
|
|
function createBundleRendererCreator (
|
|
createRenderer
|
|
) {
|
|
return function createBundleRenderer (
|
|
bundle,
|
|
rendererOptions
|
|
) {
|
|
if ( rendererOptions === void 0 ) rendererOptions = {};
|
|
|
|
var files, entry, maps;
|
|
var basedir = rendererOptions.basedir;
|
|
|
|
// load bundle if given filepath
|
|
if (
|
|
typeof bundle === 'string' &&
|
|
/\.js(on)?$/.test(bundle) &&
|
|
path$2.isAbsolute(bundle)
|
|
) {
|
|
if (fs.existsSync(bundle)) {
|
|
var isJSON = /\.json$/.test(bundle);
|
|
basedir = basedir || path$2.dirname(bundle);
|
|
bundle = fs.readFileSync(bundle, 'utf-8');
|
|
if (isJSON) {
|
|
try {
|
|
bundle = JSON.parse(bundle);
|
|
} catch (e) {
|
|
throw new Error(("Invalid JSON bundle file: " + bundle))
|
|
}
|
|
}
|
|
} else {
|
|
throw new Error(("Cannot locate bundle file: " + bundle))
|
|
}
|
|
}
|
|
|
|
if (typeof bundle === 'object') {
|
|
entry = bundle.entry;
|
|
files = bundle.files;
|
|
basedir = basedir || bundle.basedir;
|
|
maps = createSourceMapConsumers(bundle.maps);
|
|
if (typeof entry !== 'string' || typeof files !== 'object') {
|
|
throw new Error(INVALID_MSG)
|
|
}
|
|
} else if (typeof bundle === 'string') {
|
|
entry = '__vue_ssr_bundle__';
|
|
files = { '__vue_ssr_bundle__': bundle };
|
|
maps = {};
|
|
} else {
|
|
throw new Error(INVALID_MSG)
|
|
}
|
|
|
|
var renderer = createRenderer(rendererOptions);
|
|
|
|
var run = createBundleRunner(
|
|
entry,
|
|
files,
|
|
basedir,
|
|
rendererOptions.runInNewContext
|
|
);
|
|
|
|
return {
|
|
renderToString: function (context, cb) {
|
|
var assign;
|
|
|
|
if (typeof context === 'function') {
|
|
cb = context;
|
|
context = {};
|
|
}
|
|
|
|
var promise;
|
|
if (!cb) {
|
|
((assign = createPromiseCallback(), promise = assign.promise, cb = assign.cb));
|
|
}
|
|
|
|
run(context).catch(function (err) {
|
|
rewriteErrorTrace(err, maps);
|
|
cb(err);
|
|
}).then(function (app) {
|
|
if (app) {
|
|
renderer.renderToString(app, context, function (err, res) {
|
|
rewriteErrorTrace(err, maps);
|
|
cb(err, res);
|
|
});
|
|
}
|
|
});
|
|
|
|
return promise
|
|
},
|
|
|
|
renderToStream: function (context) {
|
|
var res = new PassThrough();
|
|
run(context).catch(function (err) {
|
|
rewriteErrorTrace(err, maps);
|
|
// avoid emitting synchronously before user can
|
|
// attach error listener
|
|
process.nextTick(function () {
|
|
res.emit('error', err);
|
|
});
|
|
}).then(function (app) {
|
|
if (app) {
|
|
var renderStream = renderer.renderToStream(app, context);
|
|
|
|
renderStream.on('error', function (err) {
|
|
rewriteErrorTrace(err, maps);
|
|
res.emit('error', err);
|
|
});
|
|
|
|
// relay HTMLStream special events
|
|
if (rendererOptions && rendererOptions.template) {
|
|
renderStream.on('beforeStart', function () {
|
|
res.emit('beforeStart');
|
|
});
|
|
renderStream.on('beforeEnd', function () {
|
|
res.emit('beforeEnd');
|
|
});
|
|
}
|
|
|
|
renderStream.pipe(res);
|
|
}
|
|
});
|
|
|
|
return res
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* */
|
|
|
|
process.env.VUE_ENV = 'server';
|
|
|
|
function createRenderer$1 (options) {
|
|
if ( options === void 0 ) options = {};
|
|
|
|
return createRenderer(extend(extend({}, options), {
|
|
isUnaryTag: isUnaryTag,
|
|
canBeLeftOpenTag: canBeLeftOpenTag,
|
|
modules: modules,
|
|
// user can provide server-side implementations for custom directives
|
|
// when creating the renderer.
|
|
directives: extend(baseDirectives, options.directives)
|
|
}))
|
|
}
|
|
|
|
var createBundleRenderer = createBundleRendererCreator(createRenderer$1);
|
|
|
|
exports.createRenderer = createRenderer$1;
|
|
exports.createBundleRenderer = createBundleRenderer;
|