Add server; add node_modules; add public folder; add package.json
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/* @flow */
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const fnExpRE = /^([\w$_]+|\([^)]*?\))\s*=>|^function\s*\(/
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const simplePathRE = /^[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['[^']*?']|\["[^"]*?"]|\[\d+]|\[[A-Za-z_$][\w$]*])*$/
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// KeyboardEvent.keyCode aliases
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const keyCodes: { [key: string]: number | Array<number> } = {
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esc: 27,
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tab: 9,
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enter: 13,
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space: 32,
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up: 38,
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left: 37,
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right: 39,
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down: 40,
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'delete': [8, 46]
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}
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// KeyboardEvent.key aliases
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const keyNames: { [key: string]: string | Array<string> } = {
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esc: 'Escape',
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tab: 'Tab',
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enter: 'Enter',
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space: ' ',
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// #7806: IE11 uses key names without `Arrow` prefix for arrow keys.
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up: ['Up', 'ArrowUp'],
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left: ['Left', 'ArrowLeft'],
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right: ['Right', 'ArrowRight'],
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down: ['Down', 'ArrowDown'],
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'delete': ['Backspace', 'Delete']
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}
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// #4868: modifiers that prevent the execution of the listener
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// need to explicitly return null so that we can determine whether to remove
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// the listener for .once
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const genGuard = condition => `if(${condition})return null;`
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const modifierCode: { [key: string]: string } = {
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stop: '$event.stopPropagation();',
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prevent: '$event.preventDefault();',
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self: genGuard(`$event.target !== $event.currentTarget`),
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ctrl: genGuard(`!$event.ctrlKey`),
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shift: genGuard(`!$event.shiftKey`),
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alt: genGuard(`!$event.altKey`),
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meta: genGuard(`!$event.metaKey`),
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left: genGuard(`'button' in $event && $event.button !== 0`),
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middle: genGuard(`'button' in $event && $event.button !== 1`),
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right: genGuard(`'button' in $event && $event.button !== 2`)
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}
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export function genHandlers (
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events: ASTElementHandlers,
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isNative: boolean,
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warn: Function
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): string {
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let res = isNative ? 'nativeOn:{' : 'on:{'
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for (const name in events) {
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res += `"${name}":${genHandler(name, events[name])},`
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}
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return res.slice(0, -1) + '}'
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}
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// Generate handler code with binding params on Weex
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/* istanbul ignore next */
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function genWeexHandler (params: Array<any>, handlerCode: string) {
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let innerHandlerCode = handlerCode
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const exps = params.filter(exp => simplePathRE.test(exp) && exp !== '$event')
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const bindings = exps.map(exp => ({ '@binding': exp }))
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const args = exps.map((exp, i) => {
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const key = `$_${i + 1}`
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innerHandlerCode = innerHandlerCode.replace(exp, key)
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return key
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})
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args.push('$event')
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return '{\n' +
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`handler:function(${args.join(',')}){${innerHandlerCode}},\n` +
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`params:${JSON.stringify(bindings)}\n` +
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'}'
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}
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function genHandler (
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name: string,
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handler: ASTElementHandler | Array<ASTElementHandler>
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): string {
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if (!handler) {
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return 'function(){}'
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}
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if (Array.isArray(handler)) {
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return `[${handler.map(handler => genHandler(name, handler)).join(',')}]`
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}
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const isMethodPath = simplePathRE.test(handler.value)
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const isFunctionExpression = fnExpRE.test(handler.value)
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if (!handler.modifiers) {
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if (isMethodPath || isFunctionExpression) {
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return handler.value
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}
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/* istanbul ignore if */
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if (__WEEX__ && handler.params) {
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return genWeexHandler(handler.params, handler.value)
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}
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return `function($event){${handler.value}}` // inline statement
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} else {
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let code = ''
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let genModifierCode = ''
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const keys = []
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for (const key in handler.modifiers) {
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if (modifierCode[key]) {
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genModifierCode += modifierCode[key]
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// left/right
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if (keyCodes[key]) {
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keys.push(key)
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}
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} else if (key === 'exact') {
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const modifiers: ASTModifiers = (handler.modifiers: any)
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genModifierCode += genGuard(
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['ctrl', 'shift', 'alt', 'meta']
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.filter(keyModifier => !modifiers[keyModifier])
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.map(keyModifier => `$event.${keyModifier}Key`)
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.join('||')
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)
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} else {
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keys.push(key)
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}
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}
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if (keys.length) {
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code += genKeyFilter(keys)
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}
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// Make sure modifiers like prevent and stop get executed after key filtering
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if (genModifierCode) {
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code += genModifierCode
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}
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const handlerCode = isMethodPath
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? `return ${handler.value}($event)`
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: isFunctionExpression
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? `return (${handler.value})($event)`
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: handler.value
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/* istanbul ignore if */
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if (__WEEX__ && handler.params) {
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return genWeexHandler(handler.params, code + handlerCode)
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}
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return `function($event){${code}${handlerCode}}`
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}
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}
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function genKeyFilter (keys: Array<string>): string {
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return `if(!('button' in $event)&&${keys.map(genFilterCode).join('&&')})return null;`
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}
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function genFilterCode (key: string): string {
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const keyVal = parseInt(key, 10)
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if (keyVal) {
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return `$event.keyCode!==${keyVal}`
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}
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const keyCode = keyCodes[key]
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const keyName = keyNames[key]
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return (
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`_k($event.keyCode,` +
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`${JSON.stringify(key)},` +
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`${JSON.stringify(keyCode)},` +
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`$event.key,` +
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`${JSON.stringify(keyName)}` +
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`)`
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)
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}
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+513
@@ -0,0 +1,513 @@
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/* @flow */
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import { genHandlers } from './events'
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import baseDirectives from '../directives/index'
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import { camelize, no, extend } from 'shared/util'
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import { baseWarn, pluckModuleFunction } from '../helpers'
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type TransformFunction = (el: ASTElement, code: string) => string;
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type DataGenFunction = (el: ASTElement) => string;
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type DirectiveFunction = (el: ASTElement, dir: ASTDirective, warn: Function) => boolean;
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export class CodegenState {
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options: CompilerOptions;
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warn: Function;
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transforms: Array<TransformFunction>;
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dataGenFns: Array<DataGenFunction>;
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directives: { [key: string]: DirectiveFunction };
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maybeComponent: (el: ASTElement) => boolean;
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onceId: number;
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staticRenderFns: Array<string>;
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constructor (options: CompilerOptions) {
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this.options = options
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this.warn = options.warn || baseWarn
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this.transforms = pluckModuleFunction(options.modules, 'transformCode')
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this.dataGenFns = pluckModuleFunction(options.modules, 'genData')
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this.directives = extend(extend({}, baseDirectives), options.directives)
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const isReservedTag = options.isReservedTag || no
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this.maybeComponent = (el: ASTElement) => !isReservedTag(el.tag)
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this.onceId = 0
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this.staticRenderFns = []
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}
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}
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export type CodegenResult = {
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render: string,
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staticRenderFns: Array<string>
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};
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export function generate (
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ast: ASTElement | void,
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options: CompilerOptions
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): CodegenResult {
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const state = new CodegenState(options)
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const code = ast ? genElement(ast, state) : '_c("div")'
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return {
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render: `with(this){return ${code}}`,
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staticRenderFns: state.staticRenderFns
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}
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}
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export function genElement (el: ASTElement, state: CodegenState): string {
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if (el.staticRoot && !el.staticProcessed) {
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return genStatic(el, state)
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} else if (el.once && !el.onceProcessed) {
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return genOnce(el, state)
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} else if (el.for && !el.forProcessed) {
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return genFor(el, state)
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} else if (el.if && !el.ifProcessed) {
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return genIf(el, state)
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} else if (el.tag === 'template' && !el.slotTarget) {
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return genChildren(el, state) || 'void 0'
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} else if (el.tag === 'slot') {
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return genSlot(el, state)
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} else {
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// component or element
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let code
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if (el.component) {
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code = genComponent(el.component, el, state)
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} else {
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const data = el.plain ? undefined : genData(el, state)
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const children = el.inlineTemplate ? null : genChildren(el, state, true)
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code = `_c('${el.tag}'${
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data ? `,${data}` : '' // data
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}${
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children ? `,${children}` : '' // children
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})`
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}
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// module transforms
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for (let i = 0; i < state.transforms.length; i++) {
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code = state.transforms[i](el, code)
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}
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return code
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}
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}
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// hoist static sub-trees out
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function genStatic (el: ASTElement, state: CodegenState): string {
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el.staticProcessed = true
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state.staticRenderFns.push(`with(this){return ${genElement(el, state)}}`)
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return `_m(${
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state.staticRenderFns.length - 1
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}${
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el.staticInFor ? ',true' : ''
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})`
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}
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// v-once
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function genOnce (el: ASTElement, state: CodegenState): string {
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el.onceProcessed = true
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if (el.if && !el.ifProcessed) {
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return genIf(el, state)
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} else if (el.staticInFor) {
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let key = ''
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let parent = el.parent
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while (parent) {
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if (parent.for) {
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key = parent.key
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break
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}
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parent = parent.parent
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}
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if (!key) {
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process.env.NODE_ENV !== 'production' && state.warn(
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`v-once can only be used inside v-for that is keyed. `
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)
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return genElement(el, state)
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}
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return `_o(${genElement(el, state)},${state.onceId++},${key})`
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} else {
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return genStatic(el, state)
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}
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}
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export function genIf (
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el: any,
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state: CodegenState,
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altGen?: Function,
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altEmpty?: string
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): string {
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el.ifProcessed = true // avoid recursion
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return genIfConditions(el.ifConditions.slice(), state, altGen, altEmpty)
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}
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function genIfConditions (
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conditions: ASTIfConditions,
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state: CodegenState,
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altGen?: Function,
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||||
altEmpty?: string
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||||
): string {
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||||
if (!conditions.length) {
|
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return altEmpty || '_e()'
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||||
}
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||||
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const condition = conditions.shift()
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if (condition.exp) {
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||||
return `(${condition.exp})?${
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genTernaryExp(condition.block)
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}:${
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genIfConditions(conditions, state, altGen, altEmpty)
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||||
}`
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} else {
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return `${genTernaryExp(condition.block)}`
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||||
}
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// v-if with v-once should generate code like (a)?_m(0):_m(1)
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function genTernaryExp (el) {
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return altGen
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? altGen(el, state)
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: el.once
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? genOnce(el, state)
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: genElement(el, state)
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||||
}
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||||
}
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||||
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export function genFor (
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||||
el: any,
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||||
state: CodegenState,
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||||
altGen?: Function,
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||||
altHelper?: string
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||||
): string {
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const exp = el.for
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||||
const alias = el.alias
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||||
const iterator1 = el.iterator1 ? `,${el.iterator1}` : ''
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||||
const iterator2 = el.iterator2 ? `,${el.iterator2}` : ''
|
||||
|
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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 ${(altGen || genElement)(el, state)}` +
|
||||
'})'
|
||||
}
|
||||
|
||||
export function genData (el: ASTElement, state: CodegenState): string {
|
||||
let data = '{'
|
||||
|
||||
// directives first.
|
||||
// directives may mutate the el's other properties before they are generated.
|
||||
const dirs = genDirectives(el, state)
|
||||
if (dirs) data += dirs + ','
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||||
|
||||
// key
|
||||
if (el.key) {
|
||||
data += `key:${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 (let 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 += `${genHandlers(el.events, false, state.warn)},`
|
||||
}
|
||||
if (el.nativeEvents) {
|
||||
data += `${genHandlers(el.nativeEvents, true, state.warn)},`
|
||||
}
|
||||
// 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:${
|
||||
el.model.expression
|
||||
}},`
|
||||
}
|
||||
// inline-template
|
||||
if (el.inlineTemplate) {
|
||||
const inlineTemplate = genInlineTemplate(el, state)
|
||||
if (inlineTemplate) {
|
||||
data += `${inlineTemplate},`
|
||||
}
|
||||
}
|
||||
data = data.replace(/,$/, '') + '}'
|
||||
// v-bind data wrap
|
||||
if (el.wrapData) {
|
||||
data = el.wrapData(data)
|
||||
}
|
||||
// v-on data wrap
|
||||
if (el.wrapListeners) {
|
||||
data = el.wrapListeners(data)
|
||||
}
|
||||
return data
|
||||
}
|
||||
|
||||
function genDirectives (el: ASTElement, state: CodegenState): string | void {
|
||||
const dirs = el.directives
|
||||
if (!dirs) return
|
||||
let res = 'directives:['
|
||||
let hasRuntime = false
|
||||
let i, l, dir, needRuntime
|
||||
for (i = 0, l = dirs.length; i < l; i++) {
|
||||
dir = dirs[i]
|
||||
needRuntime = true
|
||||
const gen: DirectiveFunction = state.directives[dir.name]
|
||||
if (gen) {
|
||||
// compile-time directive that manipulates AST.
|
||||
// returns true if it also needs a runtime counterpart.
|
||||
needRuntime = !!gen(el, dir, state.warn)
|
||||
}
|
||||
if (needRuntime) {
|
||||
hasRuntime = true
|
||||
res += `{name:"${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: ASTElement, state: CodegenState): ?string {
|
||||
const 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) {
|
||||
const inlineRenderFns = generate(ast, state.options)
|
||||
return `inlineTemplate:{render:function(){${
|
||||
inlineRenderFns.render
|
||||
}},staticRenderFns:[${
|
||||
inlineRenderFns.staticRenderFns.map(code => `function(){${code}}`).join(',')
|
||||
}]}`
|
||||
}
|
||||
}
|
||||
|
||||
function genScopedSlots (
|
||||
slots: { [key: string]: ASTElement },
|
||||
state: CodegenState
|
||||
): string {
|
||||
return `scopedSlots:_u([${
|
||||
Object.keys(slots).map(key => {
|
||||
return genScopedSlot(key, slots[key], state)
|
||||
}).join(',')
|
||||
}])`
|
||||
}
|
||||
|
||||
function genScopedSlot (
|
||||
key: string,
|
||||
el: ASTElement,
|
||||
state: CodegenState
|
||||
): string {
|
||||
if (el.for && !el.forProcessed) {
|
||||
return genForScopedSlot(key, el, state)
|
||||
}
|
||||
const 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:${fn}}`
|
||||
}
|
||||
|
||||
function genForScopedSlot (
|
||||
key: string,
|
||||
el: any,
|
||||
state: CodegenState
|
||||
): string {
|
||||
const exp = el.for
|
||||
const alias = el.alias
|
||||
const iterator1 = el.iterator1 ? `,${el.iterator1}` : ''
|
||||
const iterator2 = el.iterator2 ? `,${el.iterator2}` : ''
|
||||
el.forProcessed = true // avoid recursion
|
||||
return `_l((${exp}),` +
|
||||
`function(${alias}${iterator1}${iterator2}){` +
|
||||
`return ${genScopedSlot(key, el, state)}` +
|
||||
'})'
|
||||
}
|
||||
|
||||
export function genChildren (
|
||||
el: ASTElement,
|
||||
state: CodegenState,
|
||||
checkSkip?: boolean,
|
||||
altGenElement?: Function,
|
||||
altGenNode?: Function
|
||||
): string | void {
|
||||
const children = el.children
|
||||
if (children.length) {
|
||||
const el: any = children[0]
|
||||
// optimize single v-for
|
||||
if (children.length === 1 &&
|
||||
el.for &&
|
||||
el.tag !== 'template' &&
|
||||
el.tag !== 'slot'
|
||||
) {
|
||||
return (altGenElement || genElement)(el, state)
|
||||
}
|
||||
const normalizationType = checkSkip
|
||||
? getNormalizationType(children, state.maybeComponent)
|
||||
: 0
|
||||
const gen = altGenNode || genNode
|
||||
return `[${children.map(c => gen(c, state)).join(',')}]${
|
||||
normalizationType ? `,${normalizationType}` : ''
|
||||
}`
|
||||
}
|
||||
}
|
||||
|
||||
// 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: Array<ASTNode>,
|
||||
maybeComponent: (el: ASTElement) => boolean
|
||||
): number {
|
||||
let res = 0
|
||||
for (let i = 0; i < children.length; i++) {
|
||||
const el: ASTNode = children[i]
|
||||
if (el.type !== 1) {
|
||||
continue
|
||||
}
|
||||
if (needsNormalization(el) ||
|
||||
(el.ifConditions && el.ifConditions.some(c => needsNormalization(c.block)))) {
|
||||
res = 2
|
||||
break
|
||||
}
|
||||
if (maybeComponent(el) ||
|
||||
(el.ifConditions && el.ifConditions.some(c => maybeComponent(c.block)))) {
|
||||
res = 1
|
||||
}
|
||||
}
|
||||
return res
|
||||
}
|
||||
|
||||
function needsNormalization (el: ASTElement): boolean {
|
||||
return el.for !== undefined || el.tag === 'template' || el.tag === 'slot'
|
||||
}
|
||||
|
||||
function genNode (node: ASTNode, state: CodegenState): string {
|
||||
if (node.type === 1) {
|
||||
return genElement(node, state)
|
||||
} if (node.type === 3 && node.isComment) {
|
||||
return genComment(node)
|
||||
} else {
|
||||
return genText(node)
|
||||
}
|
||||
}
|
||||
|
||||
export function genText (text: ASTText | ASTExpression): string {
|
||||
return `_v(${text.type === 2
|
||||
? text.expression // no need for () because already wrapped in _s()
|
||||
: transformSpecialNewlines(JSON.stringify(text.text))
|
||||
})`
|
||||
}
|
||||
|
||||
export function genComment (comment: ASTText): string {
|
||||
return `_e(${JSON.stringify(comment.text)})`
|
||||
}
|
||||
|
||||
function genSlot (el: ASTElement, state: CodegenState): string {
|
||||
const slotName = el.slotName || '"default"'
|
||||
const children = genChildren(el, state)
|
||||
let res = `_t(${slotName}${children ? `,${children}` : ''}`
|
||||
const attrs = el.attrs && `{${el.attrs.map(a => `${camelize(a.name)}:${a.value}`).join(',')}}`
|
||||
const bind = el.attrsMap['v-bind']
|
||||
if ((attrs || bind) && !children) {
|
||||
res += `,null`
|
||||
}
|
||||
if (attrs) {
|
||||
res += `,${attrs}`
|
||||
}
|
||||
if (bind) {
|
||||
res += `${attrs ? '' : ',null'},${bind}`
|
||||
}
|
||||
return res + ')'
|
||||
}
|
||||
|
||||
// componentName is el.component, take it as argument to shun flow's pessimistic refinement
|
||||
function genComponent (
|
||||
componentName: string,
|
||||
el: ASTElement,
|
||||
state: CodegenState
|
||||
): string {
|
||||
const children = el.inlineTemplate ? null : genChildren(el, state, true)
|
||||
return `_c(${componentName},${genData(el, state)}${
|
||||
children ? `,${children}` : ''
|
||||
})`
|
||||
}
|
||||
|
||||
function genProps (props: Array<{ name: string, value: any }>): string {
|
||||
let res = ''
|
||||
for (let i = 0; i < props.length; i++) {
|
||||
const prop = props[i]
|
||||
/* istanbul ignore if */
|
||||
if (__WEEX__) {
|
||||
res += `"${prop.name}":${generateValue(prop.value)},`
|
||||
} else {
|
||||
res += `"${prop.name}":${transformSpecialNewlines(prop.value)},`
|
||||
}
|
||||
}
|
||||
return res.slice(0, -1)
|
||||
}
|
||||
|
||||
/* istanbul ignore next */
|
||||
function generateValue (value) {
|
||||
if (typeof value === 'string') {
|
||||
return transformSpecialNewlines(value)
|
||||
}
|
||||
return JSON.stringify(value)
|
||||
}
|
||||
|
||||
// #3895, #4268
|
||||
function transformSpecialNewlines (text: string): string {
|
||||
return text
|
||||
.replace(/\u2028/g, '\\u2028')
|
||||
.replace(/\u2029/g, '\\u2029')
|
||||
}
|
||||
+55
@@ -0,0 +1,55 @@
|
||||
/* @flow */
|
||||
|
||||
import { extend } from 'shared/util'
|
||||
import { detectErrors } from './error-detector'
|
||||
import { createCompileToFunctionFn } from './to-function'
|
||||
|
||||
export function createCompilerCreator (baseCompile: Function): Function {
|
||||
return function createCompiler (baseOptions: CompilerOptions) {
|
||||
function compile (
|
||||
template: string,
|
||||
options?: CompilerOptions
|
||||
): CompiledResult {
|
||||
const finalOptions = Object.create(baseOptions)
|
||||
const errors = []
|
||||
const tips = []
|
||||
finalOptions.warn = (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 (const key in options) {
|
||||
if (key !== 'modules' && key !== 'directives') {
|
||||
finalOptions[key] = options[key]
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
const 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,
|
||||
compileToFunctions: createCompileToFunctionFn(compile)
|
||||
}
|
||||
}
|
||||
}
|
||||
+11
@@ -0,0 +1,11 @@
|
||||
/* @flow */
|
||||
|
||||
export default function bind (el: ASTElement, dir: ASTDirective) {
|
||||
el.wrapData = (code: string) => {
|
||||
return `_b(${code},'${el.tag}',${dir.value},${
|
||||
dir.modifiers && dir.modifiers.prop ? 'true' : 'false'
|
||||
}${
|
||||
dir.modifiers && dir.modifiers.sync ? ',true' : ''
|
||||
})`
|
||||
}
|
||||
}
|
||||
+11
@@ -0,0 +1,11 @@
|
||||
/* @flow */
|
||||
|
||||
import on from './on'
|
||||
import bind from './bind'
|
||||
import { noop } from 'shared/util'
|
||||
|
||||
export default {
|
||||
on,
|
||||
bind,
|
||||
cloak: noop
|
||||
}
|
||||
+148
@@ -0,0 +1,148 @@
|
||||
/* @flow */
|
||||
|
||||
/**
|
||||
* Cross-platform code generation for component v-model
|
||||
*/
|
||||
export function genComponentModel (
|
||||
el: ASTElement,
|
||||
value: string,
|
||||
modifiers: ?ASTModifiers
|
||||
): ?boolean {
|
||||
const { number, trim } = modifiers || {}
|
||||
|
||||
const baseValueExpression = '$$v'
|
||||
let valueExpression = baseValueExpression
|
||||
if (trim) {
|
||||
valueExpression =
|
||||
`(typeof ${baseValueExpression} === 'string'` +
|
||||
`? ${baseValueExpression}.trim()` +
|
||||
`: ${baseValueExpression})`
|
||||
}
|
||||
if (number) {
|
||||
valueExpression = `_n(${valueExpression})`
|
||||
}
|
||||
const 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.
|
||||
*/
|
||||
export function genAssignmentCode (
|
||||
value: string,
|
||||
assignment: string
|
||||
): string {
|
||||
const 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]]
|
||||
*
|
||||
*/
|
||||
|
||||
let len, str, chr, index, expressionPos, expressionEndPos
|
||||
|
||||
type ModelParseResult = {
|
||||
exp: string,
|
||||
key: string | null
|
||||
}
|
||||
|
||||
export function parseModel (val: string): ModelParseResult {
|
||||
// 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 (): number {
|
||||
return str.charCodeAt(++index)
|
||||
}
|
||||
|
||||
function eof (): boolean {
|
||||
return index >= len
|
||||
}
|
||||
|
||||
function isStringStart (chr: number): boolean {
|
||||
return chr === 0x22 || chr === 0x27
|
||||
}
|
||||
|
||||
function parseBracket (chr: number): void {
|
||||
let 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: number): void {
|
||||
const stringQuote = chr
|
||||
while (!eof()) {
|
||||
chr = next()
|
||||
if (chr === stringQuote) {
|
||||
break
|
||||
}
|
||||
}
|
||||
}
|
||||
+10
@@ -0,0 +1,10 @@
|
||||
/* @flow */
|
||||
|
||||
import { warn } from 'core/util/index'
|
||||
|
||||
export default function on (el: ASTElement, dir: ASTDirective) {
|
||||
if (process.env.NODE_ENV !== 'production' && dir.modifiers) {
|
||||
warn(`v-on without argument does not support modifiers.`)
|
||||
}
|
||||
el.wrapListeners = (code: string) => `_g(${code},${dir.value})`
|
||||
}
|
||||
+108
@@ -0,0 +1,108 @@
|
||||
/* @flow */
|
||||
|
||||
import { dirRE, onRE } from './parser/index'
|
||||
|
||||
// these keywords should not appear inside expressions, but operators like
|
||||
// typeof, instanceof and in are allowed
|
||||
const prohibitedKeywordRE = new RegExp('\\b' + (
|
||||
'do,if,for,let,new,try,var,case,else,with,await,break,catch,class,const,' +
|
||||
'super,throw,while,yield,delete,export,import,return,switch,default,' +
|
||||
'extends,finally,continue,debugger,function,arguments'
|
||||
).split(',').join('\\b|\\b') + '\\b')
|
||||
|
||||
// these unary operators should not be used as property/method names
|
||||
const unaryOperatorsRE = new RegExp('\\b' + (
|
||||
'delete,typeof,void'
|
||||
).split(',').join('\\s*\\([^\\)]*\\)|\\b') + '\\s*\\([^\\)]*\\)')
|
||||
|
||||
// strip strings in expressions
|
||||
const stripStringRE = /'(?:[^'\\]|\\.)*'|"(?:[^"\\]|\\.)*"|`(?:[^`\\]|\\.)*\$\{|\}(?:[^`\\]|\\.)*`|`(?:[^`\\]|\\.)*`/g
|
||||
|
||||
// detect problematic expressions in a template
|
||||
export function detectErrors (ast: ?ASTNode): Array<string> {
|
||||
const errors: Array<string> = []
|
||||
if (ast) {
|
||||
checkNode(ast, errors)
|
||||
}
|
||||
return errors
|
||||
}
|
||||
|
||||
function checkNode (node: ASTNode, errors: Array<string>) {
|
||||
if (node.type === 1) {
|
||||
for (const name in node.attrsMap) {
|
||||
if (dirRE.test(name)) {
|
||||
const value = node.attrsMap[name]
|
||||
if (value) {
|
||||
if (name === 'v-for') {
|
||||
checkFor(node, `v-for="${value}"`, errors)
|
||||
} else if (onRE.test(name)) {
|
||||
checkEvent(value, `${name}="${value}"`, errors)
|
||||
} else {
|
||||
checkExpression(value, `${name}="${value}"`, errors)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
if (node.children) {
|
||||
for (let 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: string, text: string, errors: Array<string>) {
|
||||
const stipped = exp.replace(stripStringRE, '')
|
||||
const keywordMatch: any = 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: ASTElement, text: string, errors: Array<string>) {
|
||||
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: ?string,
|
||||
type: string,
|
||||
text: string,
|
||||
errors: Array<string>
|
||||
) {
|
||||
if (typeof ident === 'string') {
|
||||
try {
|
||||
new Function(`var ${ident}=_`)
|
||||
} catch (e) {
|
||||
errors.push(`invalid ${type} "${ident}" in expression: ${text.trim()}`)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function checkExpression (exp: string, text: string, errors: Array<string>) {
|
||||
try {
|
||||
new Function(`return ${exp}`)
|
||||
} catch (e) {
|
||||
const keywordMatch = exp.replace(stripStringRE, '').match(prohibitedKeywordRE)
|
||||
if (keywordMatch) {
|
||||
errors.push(
|
||||
`avoid using JavaScript keyword as property name: ` +
|
||||
`"${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`
|
||||
)
|
||||
}
|
||||
}
|
||||
}
|
||||
+164
@@ -0,0 +1,164 @@
|
||||
/* @flow */
|
||||
|
||||
import { emptyObject } from 'shared/util'
|
||||
import { parseFilters } from './parser/filter-parser'
|
||||
|
||||
export function baseWarn (msg: string) {
|
||||
console.error(`[Vue compiler]: ${msg}`)
|
||||
}
|
||||
|
||||
export function pluckModuleFunction<F: Function> (
|
||||
modules: ?Array<Object>,
|
||||
key: string
|
||||
): Array<F> {
|
||||
return modules
|
||||
? modules.map(m => m[key]).filter(_ => _)
|
||||
: []
|
||||
}
|
||||
|
||||
export function addProp (el: ASTElement, name: string, value: string) {
|
||||
(el.props || (el.props = [])).push({ name, value })
|
||||
el.plain = false
|
||||
}
|
||||
|
||||
export function addAttr (el: ASTElement, name: string, value: any) {
|
||||
(el.attrs || (el.attrs = [])).push({ name, value })
|
||||
el.plain = false
|
||||
}
|
||||
|
||||
// add a raw attr (use this in preTransforms)
|
||||
export function addRawAttr (el: ASTElement, name: string, value: any) {
|
||||
el.attrsMap[name] = value
|
||||
el.attrsList.push({ name, value })
|
||||
}
|
||||
|
||||
export function addDirective (
|
||||
el: ASTElement,
|
||||
name: string,
|
||||
rawName: string,
|
||||
value: string,
|
||||
arg: ?string,
|
||||
modifiers: ?ASTModifiers
|
||||
) {
|
||||
(el.directives || (el.directives = [])).push({ name, rawName, value, arg, modifiers })
|
||||
el.plain = false
|
||||
}
|
||||
|
||||
export function addHandler (
|
||||
el: ASTElement,
|
||||
name: string,
|
||||
value: string,
|
||||
modifiers: ?ASTModifiers,
|
||||
important?: boolean,
|
||||
warn?: Function
|
||||
) {
|
||||
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.'
|
||||
)
|
||||
}
|
||||
|
||||
// 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
|
||||
}
|
||||
|
||||
// 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'
|
||||
}
|
||||
}
|
||||
|
||||
let events
|
||||
if (modifiers.native) {
|
||||
delete modifiers.native
|
||||
events = el.nativeEvents || (el.nativeEvents = {})
|
||||
} else {
|
||||
events = el.events || (el.events = {})
|
||||
}
|
||||
|
||||
const newHandler: any = {
|
||||
value: value.trim()
|
||||
}
|
||||
if (modifiers !== emptyObject) {
|
||||
newHandler.modifiers = modifiers
|
||||
}
|
||||
|
||||
const 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
|
||||
}
|
||||
|
||||
export function getBindingAttr (
|
||||
el: ASTElement,
|
||||
name: string,
|
||||
getStatic?: boolean
|
||||
): ?string {
|
||||
const dynamicValue =
|
||||
getAndRemoveAttr(el, ':' + name) ||
|
||||
getAndRemoveAttr(el, 'v-bind:' + name)
|
||||
if (dynamicValue != null) {
|
||||
return parseFilters(dynamicValue)
|
||||
} else if (getStatic !== false) {
|
||||
const 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.
|
||||
export function getAndRemoveAttr (
|
||||
el: ASTElement,
|
||||
name: string,
|
||||
removeFromMap?: boolean
|
||||
): ?string {
|
||||
let val
|
||||
if ((val = el.attrsMap[name]) != null) {
|
||||
const list = el.attrsList
|
||||
for (let 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
|
||||
}
|
||||
+25
@@ -0,0 +1,25 @@
|
||||
/* @flow */
|
||||
|
||||
import { parse } from './parser/index'
|
||||
import { optimize } from './optimizer'
|
||||
import { generate } from './codegen/index'
|
||||
import { createCompilerCreator } from './create-compiler'
|
||||
|
||||
// `createCompilerCreator` allows creating compilers that use alternative
|
||||
// parser/optimizer/codegen, e.g the SSR optimizing compiler.
|
||||
// Here we just export a default compiler using the default parts.
|
||||
export const createCompiler = createCompilerCreator(function baseCompile (
|
||||
template: string,
|
||||
options: CompilerOptions
|
||||
): CompiledResult {
|
||||
const ast = parse(template.trim(), options)
|
||||
if (options.optimize !== false) {
|
||||
optimize(ast, options)
|
||||
}
|
||||
const code = generate(ast, options)
|
||||
return {
|
||||
ast,
|
||||
render: code.render,
|
||||
staticRenderFns: code.staticRenderFns
|
||||
}
|
||||
})
|
||||
+128
@@ -0,0 +1,128 @@
|
||||
/* @flow */
|
||||
|
||||
import { makeMap, isBuiltInTag, cached, no } from 'shared/util'
|
||||
|
||||
let isStaticKey
|
||||
let isPlatformReservedTag
|
||||
|
||||
const genStaticKeysCached = cached(genStaticKeys)
|
||||
|
||||
/**
|
||||
* Goal of the optimizer: walk the generated template AST tree
|
||||
* and detect sub-trees that are purely static, i.e. parts of
|
||||
* the DOM that never needs to change.
|
||||
*
|
||||
* Once we detect these sub-trees, we can:
|
||||
*
|
||||
* 1. Hoist them into constants, so that we no longer need to
|
||||
* create fresh nodes for them on each re-render;
|
||||
* 2. Completely skip them in the patching process.
|
||||
*/
|
||||
export function optimize (root: ?ASTElement, options: CompilerOptions) {
|
||||
if (!root) return
|
||||
isStaticKey = genStaticKeysCached(options.staticKeys || '')
|
||||
isPlatformReservedTag = options.isReservedTag || no
|
||||
// first pass: mark all non-static nodes.
|
||||
markStatic(root)
|
||||
// second pass: mark static roots.
|
||||
markStaticRoots(root, false)
|
||||
}
|
||||
|
||||
function genStaticKeys (keys: string): Function {
|
||||
return makeMap(
|
||||
'type,tag,attrsList,attrsMap,plain,parent,children,attrs' +
|
||||
(keys ? ',' + keys : '')
|
||||
)
|
||||
}
|
||||
|
||||
function markStatic (node: ASTNode) {
|
||||
node.static = isStatic(node)
|
||||
if (node.type === 1) {
|
||||
// do not make component slot content static. this avoids
|
||||
// 1. components not able to mutate slot nodes
|
||||
// 2. static slot content fails for hot-reloading
|
||||
if (
|
||||
!isPlatformReservedTag(node.tag) &&
|
||||
node.tag !== 'slot' &&
|
||||
node.attrsMap['inline-template'] == null
|
||||
) {
|
||||
return
|
||||
}
|
||||
for (let i = 0, l = node.children.length; i < l; i++) {
|
||||
const child = node.children[i]
|
||||
markStatic(child)
|
||||
if (!child.static) {
|
||||
node.static = false
|
||||
}
|
||||
}
|
||||
if (node.ifConditions) {
|
||||
for (let i = 1, l = node.ifConditions.length; i < l; i++) {
|
||||
const block = node.ifConditions[i].block
|
||||
markStatic(block)
|
||||
if (!block.static) {
|
||||
node.static = false
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function markStaticRoots (node: ASTNode, isInFor: boolean) {
|
||||
if (node.type === 1) {
|
||||
if (node.static || node.once) {
|
||||
node.staticInFor = isInFor
|
||||
}
|
||||
// For a node to qualify as a static root, it should have children that
|
||||
// are not just static text. Otherwise the cost of hoisting out will
|
||||
// outweigh the benefits and it's better off to just always render it fresh.
|
||||
if (node.static && node.children.length && !(
|
||||
node.children.length === 1 &&
|
||||
node.children[0].type === 3
|
||||
)) {
|
||||
node.staticRoot = true
|
||||
return
|
||||
} else {
|
||||
node.staticRoot = false
|
||||
}
|
||||
if (node.children) {
|
||||
for (let i = 0, l = node.children.length; i < l; i++) {
|
||||
markStaticRoots(node.children[i], isInFor || !!node.for)
|
||||
}
|
||||
}
|
||||
if (node.ifConditions) {
|
||||
for (let i = 1, l = node.ifConditions.length; i < l; i++) {
|
||||
markStaticRoots(node.ifConditions[i].block, isInFor)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function isStatic (node: ASTNode): boolean {
|
||||
if (node.type === 2) { // expression
|
||||
return false
|
||||
}
|
||||
if (node.type === 3) { // text
|
||||
return true
|
||||
}
|
||||
return !!(node.pre || (
|
||||
!node.hasBindings && // no dynamic bindings
|
||||
!node.if && !node.for && // not v-if or v-for or v-else
|
||||
!isBuiltInTag(node.tag) && // not a built-in
|
||||
isPlatformReservedTag(node.tag) && // not a component
|
||||
!isDirectChildOfTemplateFor(node) &&
|
||||
Object.keys(node).every(isStaticKey)
|
||||
))
|
||||
}
|
||||
|
||||
function isDirectChildOfTemplateFor (node: ASTElement): boolean {
|
||||
while (node.parent) {
|
||||
node = node.parent
|
||||
if (node.tag !== 'template') {
|
||||
return false
|
||||
}
|
||||
if (node.for) {
|
||||
return true
|
||||
}
|
||||
}
|
||||
return false
|
||||
}
|
||||
+11
@@ -0,0 +1,11 @@
|
||||
/* @flow */
|
||||
|
||||
let decoder
|
||||
|
||||
export default {
|
||||
decode (html: string): string {
|
||||
decoder = decoder || document.createElement('div')
|
||||
decoder.innerHTML = html
|
||||
return decoder.textContent
|
||||
}
|
||||
}
|
||||
+97
@@ -0,0 +1,97 @@
|
||||
/* @flow */
|
||||
|
||||
const validDivisionCharRE = /[\w).+\-_$\]]/
|
||||
|
||||
export function parseFilters (exp: string): string {
|
||||
let inSingle = false
|
||||
let inDouble = false
|
||||
let inTemplateString = false
|
||||
let inRegex = false
|
||||
let curly = 0
|
||||
let square = 0
|
||||
let paren = 0
|
||||
let lastFilterIndex = 0
|
||||
let 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) { // /
|
||||
let j = i - 1
|
||||
let p
|
||||
// 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: string, filter: string): string {
|
||||
const i = filter.indexOf('(')
|
||||
if (i < 0) {
|
||||
// _f: resolveFilter
|
||||
return `_f("${filter}")(${exp})`
|
||||
} else {
|
||||
const name = filter.slice(0, i)
|
||||
const args = filter.slice(i + 1)
|
||||
return `_f("${name}")(${exp}${args !== ')' ? ',' + args : args}`
|
||||
}
|
||||
}
|
||||
+310
@@ -0,0 +1,310 @@
|
||||
/**
|
||||
* Not type-checking this file because it's mostly vendor code.
|
||||
*/
|
||||
|
||||
/*!
|
||||
* HTML Parser By John Resig (ejohn.org)
|
||||
* Modified by Juriy "kangax" Zaytsev
|
||||
* Original code by Erik Arvidsson, Mozilla Public License
|
||||
* http://erik.eae.net/simplehtmlparser/simplehtmlparser.js
|
||||
*/
|
||||
|
||||
import { makeMap, no } from 'shared/util'
|
||||
import { isNonPhrasingTag } from 'web/compiler/util'
|
||||
|
||||
// Regular Expressions for parsing tags and attributes
|
||||
const attribute = /^\s*([^\s"'<>\/=]+)(?:\s*(=)\s*(?:"([^"]*)"+|'([^']*)'+|([^\s"'=<>`]+)))?/
|
||||
// could use https://www.w3.org/TR/1999/REC-xml-names-19990114/#NT-QName
|
||||
// but for Vue templates we can enforce a simple charset
|
||||
const ncname = '[a-zA-Z_][\\w\\-\\.]*'
|
||||
const qnameCapture = `((?:${ncname}\\:)?${ncname})`
|
||||
const startTagOpen = new RegExp(`^<${qnameCapture}`)
|
||||
const startTagClose = /^\s*(\/?)>/
|
||||
const endTag = new RegExp(`^<\\/${qnameCapture}[^>]*>`)
|
||||
const doctype = /^<!DOCTYPE [^>]+>/i
|
||||
// #7298: escape - to avoid being pased as HTML comment when inlined in page
|
||||
const comment = /^<!\--/
|
||||
const conditionalComment = /^<!\[/
|
||||
|
||||
let IS_REGEX_CAPTURING_BROKEN = false
|
||||
'x'.replace(/x(.)?/g, function (m, g) {
|
||||
IS_REGEX_CAPTURING_BROKEN = g === ''
|
||||
})
|
||||
|
||||
// Special Elements (can contain anything)
|
||||
export const isPlainTextElement = makeMap('script,style,textarea', true)
|
||||
const reCache = {}
|
||||
|
||||
const decodingMap = {
|
||||
'<': '<',
|
||||
'>': '>',
|
||||
'"': '"',
|
||||
'&': '&',
|
||||
' ': '\n',
|
||||
'	': '\t'
|
||||
}
|
||||
const encodedAttr = /&(?:lt|gt|quot|amp);/g
|
||||
const encodedAttrWithNewLines = /&(?:lt|gt|quot|amp|#10|#9);/g
|
||||
|
||||
// #5992
|
||||
const isIgnoreNewlineTag = makeMap('pre,textarea', true)
|
||||
const shouldIgnoreFirstNewline = (tag, html) => tag && isIgnoreNewlineTag(tag) && html[0] === '\n'
|
||||
|
||||
function decodeAttr (value, shouldDecodeNewlines) {
|
||||
const re = shouldDecodeNewlines ? encodedAttrWithNewLines : encodedAttr
|
||||
return value.replace(re, match => decodingMap[match])
|
||||
}
|
||||
|
||||
export function parseHTML (html, options) {
|
||||
const stack = []
|
||||
const expectHTML = options.expectHTML
|
||||
const isUnaryTag = options.isUnaryTag || no
|
||||
const canBeLeftOpenTag = options.canBeLeftOpenTag || no
|
||||
let index = 0
|
||||
let last, lastTag
|
||||
while (html) {
|
||||
last = html
|
||||
// Make sure we're not in a plaintext content element like script/style
|
||||
if (!lastTag || !isPlainTextElement(lastTag)) {
|
||||
let textEnd = html.indexOf('<')
|
||||
if (textEnd === 0) {
|
||||
// Comment:
|
||||
if (comment.test(html)) {
|
||||
const 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)) {
|
||||
const conditionalEnd = html.indexOf(']>')
|
||||
|
||||
if (conditionalEnd >= 0) {
|
||||
advance(conditionalEnd + 2)
|
||||
continue
|
||||
}
|
||||
}
|
||||
|
||||
// Doctype:
|
||||
const doctypeMatch = html.match(doctype)
|
||||
if (doctypeMatch) {
|
||||
advance(doctypeMatch[0].length)
|
||||
continue
|
||||
}
|
||||
|
||||
// End tag:
|
||||
const endTagMatch = html.match(endTag)
|
||||
if (endTagMatch) {
|
||||
const curIndex = index
|
||||
advance(endTagMatch[0].length)
|
||||
parseEndTag(endTagMatch[1], curIndex, index)
|
||||
continue
|
||||
}
|
||||
|
||||
// Start tag:
|
||||
const startTagMatch = parseStartTag()
|
||||
if (startTagMatch) {
|
||||
handleStartTag(startTagMatch)
|
||||
if (shouldIgnoreFirstNewline(lastTag, html)) {
|
||||
advance(1)
|
||||
}
|
||||
continue
|
||||
}
|
||||
}
|
||||
|
||||
let text, rest, next
|
||||
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 {
|
||||
let endTagLength = 0
|
||||
const stackedTag = lastTag.toLowerCase()
|
||||
const reStackedTag = reCache[stackedTag] || (reCache[stackedTag] = new RegExp('([\\s\\S]*?)(</' + stackedTag + '[^>]*>)', 'i'))
|
||||
const rest = 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.length
|
||||
html = rest
|
||||
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 () {
|
||||
const start = html.match(startTagOpen)
|
||||
if (start) {
|
||||
const match = {
|
||||
tagName: start[1],
|
||||
attrs: [],
|
||||
start: index
|
||||
}
|
||||
advance(start[0].length)
|
||||
let 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) {
|
||||
const tagName = match.tagName
|
||||
const unarySlash = match.unarySlash
|
||||
|
||||
if (expectHTML) {
|
||||
if (lastTag === 'p' && isNonPhrasingTag(tagName)) {
|
||||
parseEndTag(lastTag)
|
||||
}
|
||||
if (canBeLeftOpenTag(tagName) && lastTag === tagName) {
|
||||
parseEndTag(tagName)
|
||||
}
|
||||
}
|
||||
|
||||
const unary = isUnaryTag(tagName) || !!unarySlash
|
||||
|
||||
const l = match.attrs.length
|
||||
const attrs = new Array(l)
|
||||
for (let i = 0; i < l; i++) {
|
||||
const args = match.attrs[i]
|
||||
// hackish work around FF bug https://bugzilla.mozilla.org/show_bug.cgi?id=369778
|
||||
if (IS_REGEX_CAPTURING_BROKEN && args[0].indexOf('""') === -1) {
|
||||
if (args[3] === '') { delete args[3] }
|
||||
if (args[4] === '') { delete args[4] }
|
||||
if (args[5] === '') { delete args[5] }
|
||||
}
|
||||
const value = args[3] || args[4] || args[5] || ''
|
||||
const 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) {
|
||||
let pos, lowerCasedTagName
|
||||
if (start == null) start = index
|
||||
if (end == null) end = index
|
||||
|
||||
if (tagName) {
|
||||
lowerCasedTagName = tagName.toLowerCase()
|
||||
}
|
||||
|
||||
// Find the closest opened tag of the same type
|
||||
if (tagName) {
|
||||
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 (let 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)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
+675
@@ -0,0 +1,675 @@
|
||||
/* @flow */
|
||||
|
||||
import he from 'he'
|
||||
import { parseHTML } from './html-parser'
|
||||
import { parseText } from './text-parser'
|
||||
import { parseFilters } from './filter-parser'
|
||||
import { genAssignmentCode } from '../directives/model'
|
||||
import { extend, cached, no, camelize } from 'shared/util'
|
||||
import { isIE, isEdge, isServerRendering } from 'core/util/env'
|
||||
|
||||
import {
|
||||
addProp,
|
||||
addAttr,
|
||||
baseWarn,
|
||||
addHandler,
|
||||
addDirective,
|
||||
getBindingAttr,
|
||||
getAndRemoveAttr,
|
||||
pluckModuleFunction
|
||||
} from '../helpers'
|
||||
|
||||
export const onRE = /^@|^v-on:/
|
||||
export const dirRE = /^v-|^@|^:/
|
||||
export const forAliasRE = /([^]*?)\s+(?:in|of)\s+([^]*)/
|
||||
export const forIteratorRE = /,([^,\}\]]*)(?:,([^,\}\]]*))?$/
|
||||
const stripParensRE = /^\(|\)$/g
|
||||
|
||||
const argRE = /:(.*)$/
|
||||
export const bindRE = /^:|^v-bind:/
|
||||
const modifierRE = /\.[^.]+/g
|
||||
|
||||
const decodeHTMLCached = cached(he.decode)
|
||||
|
||||
// configurable state
|
||||
export let warn: any
|
||||
let delimiters
|
||||
let transforms
|
||||
let preTransforms
|
||||
let postTransforms
|
||||
let platformIsPreTag
|
||||
let platformMustUseProp
|
||||
let platformGetTagNamespace
|
||||
|
||||
type Attr = { name: string; value: string };
|
||||
|
||||
export function createASTElement (
|
||||
tag: string,
|
||||
attrs: Array<Attr>,
|
||||
parent: ASTElement | void
|
||||
): ASTElement {
|
||||
return {
|
||||
type: 1,
|
||||
tag,
|
||||
attrsList: attrs,
|
||||
attrsMap: makeAttrsMap(attrs),
|
||||
parent,
|
||||
children: []
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Convert HTML string to AST.
|
||||
*/
|
||||
export function parse (
|
||||
template: string,
|
||||
options: CompilerOptions
|
||||
): ASTElement | void {
|
||||
warn = 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
|
||||
|
||||
const stack = []
|
||||
const preserveWhitespace = options.preserveWhitespace !== false
|
||||
let root
|
||||
let currentParent
|
||||
let inVPre = false
|
||||
let inPre = false
|
||||
let warned = false
|
||||
|
||||
function warnOnce (msg) {
|
||||
if (!warned) {
|
||||
warned = true
|
||||
warn(msg)
|
||||
}
|
||||
}
|
||||
|
||||
function closeElement (element) {
|
||||
// check pre state
|
||||
if (element.pre) {
|
||||
inVPre = false
|
||||
}
|
||||
if (platformIsPreTag(element.tag)) {
|
||||
inPre = false
|
||||
}
|
||||
// apply post-transforms
|
||||
for (let i = 0; i < postTransforms.length; i++) {
|
||||
postTransforms[i](element, options)
|
||||
}
|
||||
}
|
||||
|
||||
parseHTML(template, {
|
||||
warn,
|
||||
expectHTML: options.expectHTML,
|
||||
isUnaryTag: options.isUnaryTag,
|
||||
canBeLeftOpenTag: options.canBeLeftOpenTag,
|
||||
shouldDecodeNewlines: options.shouldDecodeNewlines,
|
||||
shouldDecodeNewlinesForHref: options.shouldDecodeNewlinesForHref,
|
||||
shouldKeepComment: options.comments,
|
||||
start (tag, attrs, unary) {
|
||||
// check namespace.
|
||||
// inherit parent ns if there is one
|
||||
const ns = (currentParent && currentParent.ns) || platformGetTagNamespace(tag)
|
||||
|
||||
// handle IE svg bug
|
||||
/* istanbul ignore if */
|
||||
if (isIE && ns === 'svg') {
|
||||
attrs = guardIESVGBug(attrs)
|
||||
}
|
||||
|
||||
let element: ASTElement = createASTElement(tag, attrs, currentParent)
|
||||
if (ns) {
|
||||
element.ns = ns
|
||||
}
|
||||
|
||||
if (isForbiddenTag(element) && !isServerRendering()) {
|
||||
element.forbidden = true
|
||||
process.env.NODE_ENV !== 'production' && warn(
|
||||
'Templates should only be responsible for mapping the state to the ' +
|
||||
'UI. Avoid placing tags with side-effects in your templates, such as ' +
|
||||
`<${tag}>` + ', as they will not be parsed.'
|
||||
)
|
||||
}
|
||||
|
||||
// apply pre-transforms
|
||||
for (let i = 0; i < preTransforms.length; i++) {
|
||||
element = preTransforms[i](element, options) || element
|
||||
}
|
||||
|
||||
if (!inVPre) {
|
||||
processPre(element)
|
||||
if (element.pre) {
|
||||
inVPre = true
|
||||
}
|
||||
}
|
||||
if (platformIsPreTag(element.tag)) {
|
||||
inPre = true
|
||||
}
|
||||
if (inVPre) {
|
||||
processRawAttrs(element)
|
||||
} else if (!element.processed) {
|
||||
// structural directives
|
||||
processFor(element)
|
||||
processIf(element)
|
||||
processOnce(element)
|
||||
// element-scope stuff
|
||||
processElement(element, options)
|
||||
}
|
||||
|
||||
function checkRootConstraints (el) {
|
||||
if (process.env.NODE_ENV !== 'production') {
|
||||
if (el.tag === 'slot' || el.tag === 'template') {
|
||||
warnOnce(
|
||||
`Cannot use <${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
|
||||
const 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 () {
|
||||
// remove trailing whitespace
|
||||
const element = stack[stack.length - 1]
|
||||
const 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 (text: string) {
|
||||
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
|
||||
}
|
||||
const 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) {
|
||||
let res
|
||||
if (!inVPre && text !== ' ' && (res = parseText(text, delimiters))) {
|
||||
children.push({
|
||||
type: 2,
|
||||
expression: res.expression,
|
||||
tokens: res.tokens,
|
||||
text
|
||||
})
|
||||
} else if (text !== ' ' || !children.length || children[children.length - 1].text !== ' ') {
|
||||
children.push({
|
||||
type: 3,
|
||||
text
|
||||
})
|
||||
}
|
||||
}
|
||||
},
|
||||
comment (text: string) {
|
||||
currentParent.children.push({
|
||||
type: 3,
|
||||
text,
|
||||
isComment: true
|
||||
})
|
||||
}
|
||||
})
|
||||
return root
|
||||
}
|
||||
|
||||
function processPre (el) {
|
||||
if (getAndRemoveAttr(el, 'v-pre') != null) {
|
||||
el.pre = true
|
||||
}
|
||||
}
|
||||
|
||||
function processRawAttrs (el) {
|
||||
const l = el.attrsList.length
|
||||
if (l) {
|
||||
const attrs = el.attrs = new Array(l)
|
||||
for (let 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
|
||||
}
|
||||
}
|
||||
|
||||
export function processElement (element: ASTElement, options: CompilerOptions) {
|
||||
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 (let i = 0; i < transforms.length; i++) {
|
||||
element = transforms[i](element, options) || element
|
||||
}
|
||||
processAttrs(element)
|
||||
}
|
||||
|
||||
function processKey (el) {
|
||||
const exp = getBindingAttr(el, 'key')
|
||||
if (exp) {
|
||||
if (process.env.NODE_ENV !== 'production' && el.tag === 'template') {
|
||||
warn(`<template> cannot be keyed. Place the key on real elements instead.`)
|
||||
}
|
||||
el.key = exp
|
||||
}
|
||||
}
|
||||
|
||||
function processRef (el) {
|
||||
const ref = getBindingAttr(el, 'ref')
|
||||
if (ref) {
|
||||
el.ref = ref
|
||||
el.refInFor = checkInFor(el)
|
||||
}
|
||||
}
|
||||
|
||||
export function processFor (el: ASTElement) {
|
||||
let exp
|
||||
if ((exp = getAndRemoveAttr(el, 'v-for'))) {
|
||||
const res = parseFor(exp)
|
||||
if (res) {
|
||||
extend(el, res)
|
||||
} else if (process.env.NODE_ENV !== 'production') {
|
||||
warn(
|
||||
`Invalid v-for expression: ${exp}`
|
||||
)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
type ForParseResult = {
|
||||
for: string;
|
||||
alias: string;
|
||||
iterator1?: string;
|
||||
iterator2?: string;
|
||||
};
|
||||
|
||||
export function parseFor (exp: string): ?ForParseResult {
|
||||
const inMatch = exp.match(forAliasRE)
|
||||
if (!inMatch) return
|
||||
const res = {}
|
||||
res.for = inMatch[2].trim()
|
||||
const alias = inMatch[1].trim().replace(stripParensRE, '')
|
||||
const iteratorMatch = alias.match(forIteratorRE)
|
||||
if (iteratorMatch) {
|
||||
res.alias = alias.replace(forIteratorRE, '')
|
||||
res.iterator1 = iteratorMatch[1].trim()
|
||||
if (iteratorMatch[2]) {
|
||||
res.iterator2 = iteratorMatch[2].trim()
|
||||
}
|
||||
} else {
|
||||
res.alias = alias
|
||||
}
|
||||
return res
|
||||
}
|
||||
|
||||
function processIf (el) {
|
||||
const exp = getAndRemoveAttr(el, 'v-if')
|
||||
if (exp) {
|
||||
el.if = exp
|
||||
addIfCondition(el, {
|
||||
exp: exp,
|
||||
block: el
|
||||
})
|
||||
} else {
|
||||
if (getAndRemoveAttr(el, 'v-else') != null) {
|
||||
el.else = true
|
||||
}
|
||||
const elseif = getAndRemoveAttr(el, 'v-else-if')
|
||||
if (elseif) {
|
||||
el.elseif = elseif
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function processIfConditions (el, parent) {
|
||||
const prev = findPrevElement(parent.children)
|
||||
if (prev && prev.if) {
|
||||
addIfCondition(prev, {
|
||||
exp: el.elseif,
|
||||
block: el
|
||||
})
|
||||
} else if (process.env.NODE_ENV !== 'production') {
|
||||
warn(
|
||||
`v-${el.elseif ? ('else-if="' + el.elseif + '"') : 'else'} ` +
|
||||
`used on element <${el.tag}> without corresponding v-if.`
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
function findPrevElement (children: Array<any>): ASTElement | void {
|
||||
let i = children.length
|
||||
while (i--) {
|
||||
if (children[i].type === 1) {
|
||||
return children[i]
|
||||
} else {
|
||||
if (process.env.NODE_ENV !== 'production' && children[i].text !== ' ') {
|
||||
warn(
|
||||
`text "${children[i].text.trim()}" between v-if and v-else(-if) ` +
|
||||
`will be ignored.`
|
||||
)
|
||||
}
|
||||
children.pop()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
export function addIfCondition (el: ASTElement, condition: ASTIfCondition) {
|
||||
if (!el.ifConditions) {
|
||||
el.ifConditions = []
|
||||
}
|
||||
el.ifConditions.push(condition)
|
||||
}
|
||||
|
||||
function processOnce (el) {
|
||||
const once = getAndRemoveAttr(el, 'v-once')
|
||||
if (once != null) {
|
||||
el.once = true
|
||||
}
|
||||
}
|
||||
|
||||
function processSlot (el) {
|
||||
if (el.tag === 'slot') {
|
||||
el.slotName = getBindingAttr(el, 'name')
|
||||
if (process.env.NODE_ENV !== 'production' && el.key) {
|
||||
warn(
|
||||
`\`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 {
|
||||
let slotScope
|
||||
if (el.tag === 'template') {
|
||||
slotScope = getAndRemoveAttr(el, 'scope')
|
||||
/* istanbul ignore if */
|
||||
if (process.env.NODE_ENV !== 'production' && slotScope) {
|
||||
warn(
|
||||
`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(
|
||||
`Ambiguous combined usage of slot-scope and v-for on <${el.tag}> ` +
|
||||
`(v-for takes higher priority). Use a wrapper <template> for the ` +
|
||||
`scoped slot to make it clearer.`,
|
||||
true
|
||||
)
|
||||
}
|
||||
el.slotScope = slotScope
|
||||
}
|
||||
const slotTarget = getBindingAttr(el, 'slot')
|
||||
if (slotTarget) {
|
||||
el.slotTarget = slotTarget === '""' ? '"default"' : slotTarget
|
||||
// preserve slot as an attribute for native shadow DOM compat
|
||||
// only for non-scoped slots.
|
||||
if (el.tag !== 'template' && !el.slotScope) {
|
||||
addAttr(el, 'slot', slotTarget)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function processComponent (el) {
|
||||
let binding
|
||||
if ((binding = getBindingAttr(el, 'is'))) {
|
||||
el.component = binding
|
||||
}
|
||||
if (getAndRemoveAttr(el, 'inline-template') != null) {
|
||||
el.inlineTemplate = true
|
||||
}
|
||||
}
|
||||
|
||||
function processAttrs (el) {
|
||||
const list = el.attrsList
|
||||
let i, l, name, rawName, value, modifiers, isProp
|
||||
for (i = 0, l = list.length; i < l; i++) {
|
||||
name = rawName = list[i].name
|
||||
value = list[i].value
|
||||
if (dirRE.test(name)) {
|
||||
// mark element as dynamic
|
||||
el.hasBindings = true
|
||||
// modifiers
|
||||
modifiers = parseModifiers(name)
|
||||
if (modifiers) {
|
||||
name = name.replace(modifierRE, '')
|
||||
}
|
||||
if (bindRE.test(name)) { // v-bind
|
||||
name = name.replace(bindRE, '')
|
||||
value = parseFilters(value)
|
||||
isProp = false
|
||||
if (modifiers) {
|
||||
if (modifiers.prop) {
|
||||
isProp = true
|
||||
name = camelize(name)
|
||||
if (name === 'innerHtml') name = 'innerHTML'
|
||||
}
|
||||
if (modifiers.camel) {
|
||||
name = camelize(name)
|
||||
}
|
||||
if (modifiers.sync) {
|
||||
addHandler(
|
||||
el,
|
||||
`update:${camelize(name)}`,
|
||||
genAssignmentCode(value, `$event`)
|
||||
)
|
||||
}
|
||||
}
|
||||
if (isProp || (
|
||||
!el.component && platformMustUseProp(el.tag, el.attrsMap.type, name)
|
||||
)) {
|
||||
addProp(el, name, value)
|
||||
} else {
|
||||
addAttr(el, name, value)
|
||||
}
|
||||
} else if (onRE.test(name)) { // v-on
|
||||
name = name.replace(onRE, '')
|
||||
addHandler(el, name, value, modifiers, false, warn)
|
||||
} else { // normal directives
|
||||
name = name.replace(dirRE, '')
|
||||
// parse arg
|
||||
const argMatch = name.match(argRE)
|
||||
const arg = argMatch && argMatch[1]
|
||||
if (arg) {
|
||||
name = name.slice(0, -(arg.length + 1))
|
||||
}
|
||||
addDirective(el, name, rawName, value, arg, modifiers)
|
||||
if (process.env.NODE_ENV !== 'production' && name === 'model') {
|
||||
checkForAliasModel(el, value)
|
||||
}
|
||||
}
|
||||
} else {
|
||||
// literal attribute
|
||||
if (process.env.NODE_ENV !== 'production') {
|
||||
const res = parseText(value, delimiters)
|
||||
if (res) {
|
||||
warn(
|
||||
`${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: ASTElement): boolean {
|
||||
let parent = el
|
||||
while (parent) {
|
||||
if (parent.for !== undefined) {
|
||||
return true
|
||||
}
|
||||
parent = parent.parent
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
function parseModifiers (name: string): Object | void {
|
||||
const match = name.match(modifierRE)
|
||||
if (match) {
|
||||
const ret = {}
|
||||
match.forEach(m => { ret[m.slice(1)] = true })
|
||||
return ret
|
||||
}
|
||||
}
|
||||
|
||||
function makeAttrsMap (attrs: Array<Object>): Object {
|
||||
const map = {}
|
||||
for (let i = 0, l = attrs.length; i < l; i++) {
|
||||
if (
|
||||
process.env.NODE_ENV !== 'production' &&
|
||||
map[attrs[i].name] && !isIE && !isEdge
|
||||
) {
|
||||
warn('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): boolean {
|
||||
return el.tag === 'script' || el.tag === 'style'
|
||||
}
|
||||
|
||||
function isForbiddenTag (el): boolean {
|
||||
return (
|
||||
el.tag === 'style' ||
|
||||
(el.tag === 'script' && (
|
||||
!el.attrsMap.type ||
|
||||
el.attrsMap.type === 'text/javascript'
|
||||
))
|
||||
)
|
||||
}
|
||||
|
||||
const ieNSBug = /^xmlns:NS\d+/
|
||||
const ieNSPrefix = /^NS\d+:/
|
||||
|
||||
/* istanbul ignore next */
|
||||
function guardIESVGBug (attrs) {
|
||||
const res = []
|
||||
for (let i = 0; i < attrs.length; i++) {
|
||||
const attr = attrs[i]
|
||||
if (!ieNSBug.test(attr.name)) {
|
||||
attr.name = attr.name.replace(ieNSPrefix, '')
|
||||
res.push(attr)
|
||||
}
|
||||
}
|
||||
return res
|
||||
}
|
||||
|
||||
function checkForAliasModel (el, value) {
|
||||
let _el = el
|
||||
while (_el) {
|
||||
if (_el.for && _el.alias === value) {
|
||||
warn(
|
||||
`<${el.tag} v-model="${value}">: ` +
|
||||
`You are binding v-model directly to a v-for iteration alias. ` +
|
||||
`This will not be able to modify the v-for source array because ` +
|
||||
`writing to the alias is like modifying a function local variable. ` +
|
||||
`Consider using an array of objects and use v-model on an object property instead.`
|
||||
)
|
||||
}
|
||||
_el = _el.parent
|
||||
}
|
||||
}
|
||||
+53
@@ -0,0 +1,53 @@
|
||||
/* @flow */
|
||||
|
||||
import { cached } from 'shared/util'
|
||||
import { parseFilters } from './filter-parser'
|
||||
|
||||
const defaultTagRE = /\{\{((?:.|\n)+?)\}\}/g
|
||||
const regexEscapeRE = /[-.*+?^${}()|[\]\/\\]/g
|
||||
|
||||
const buildRegex = cached(delimiters => {
|
||||
const open = delimiters[0].replace(regexEscapeRE, '\\$&')
|
||||
const close = delimiters[1].replace(regexEscapeRE, '\\$&')
|
||||
return new RegExp(open + '((?:.|\\n)+?)' + close, 'g')
|
||||
})
|
||||
|
||||
type TextParseResult = {
|
||||
expression: string,
|
||||
tokens: Array<string | { '@binding': string }>
|
||||
}
|
||||
|
||||
export function parseText (
|
||||
text: string,
|
||||
delimiters?: [string, string]
|
||||
): TextParseResult | void {
|
||||
const tagRE = delimiters ? buildRegex(delimiters) : defaultTagRE
|
||||
if (!tagRE.test(text)) {
|
||||
return
|
||||
}
|
||||
const tokens = []
|
||||
const rawTokens = []
|
||||
let lastIndex = tagRE.lastIndex = 0
|
||||
let 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
|
||||
const 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
|
||||
}
|
||||
}
|
||||
+99
@@ -0,0 +1,99 @@
|
||||
/* @flow */
|
||||
|
||||
import { noop, extend } from 'shared/util'
|
||||
import { warn as baseWarn, tip } from 'core/util/debug'
|
||||
|
||||
type CompiledFunctionResult = {
|
||||
render: Function;
|
||||
staticRenderFns: Array<Function>;
|
||||
};
|
||||
|
||||
function createFunction (code, errors) {
|
||||
try {
|
||||
return new Function(code)
|
||||
} catch (err) {
|
||||
errors.push({ err, code })
|
||||
return noop
|
||||
}
|
||||
}
|
||||
|
||||
export function createCompileToFunctionFn (compile: Function): Function {
|
||||
const cache = Object.create(null)
|
||||
|
||||
return function compileToFunctions (
|
||||
template: string,
|
||||
options?: CompilerOptions,
|
||||
vm?: Component
|
||||
): CompiledFunctionResult {
|
||||
options = extend({}, options)
|
||||
const warn = options.warn || baseWarn
|
||||
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(
|
||||
'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
|
||||
const key = options.delimiters
|
||||
? String(options.delimiters) + template
|
||||
: template
|
||||
if (cache[key]) {
|
||||
return cache[key]
|
||||
}
|
||||
|
||||
// compile
|
||||
const compiled = compile(template, options)
|
||||
|
||||
// check compilation errors/tips
|
||||
if (process.env.NODE_ENV !== 'production') {
|
||||
if (compiled.errors && compiled.errors.length) {
|
||||
warn(
|
||||
`Error compiling template:\n\n${template}\n\n` +
|
||||
compiled.errors.map(e => `- ${e}`).join('\n') + '\n',
|
||||
vm
|
||||
)
|
||||
}
|
||||
if (compiled.tips && compiled.tips.length) {
|
||||
compiled.tips.forEach(msg => tip(msg, vm))
|
||||
}
|
||||
}
|
||||
|
||||
// turn code into functions
|
||||
const res = {}
|
||||
const fnGenErrors = []
|
||||
res.render = createFunction(compiled.render, fnGenErrors)
|
||||
res.staticRenderFns = compiled.staticRenderFns.map(code => {
|
||||
return createFunction(code, fnGenErrors)
|
||||
})
|
||||
|
||||
// check function generation errors.
|
||||
// this should only happen if there is a bug in the compiler itself.
|
||||
// mostly for codegen development use
|
||||
/* istanbul ignore if */
|
||||
if (process.env.NODE_ENV !== 'production') {
|
||||
if ((!compiled.errors || !compiled.errors.length) && fnGenErrors.length) {
|
||||
warn(
|
||||
`Failed to generate render function:\n\n` +
|
||||
fnGenErrors.map(({ err, code }) => `${err.toString()} in\n\n${code}\n`).join('\n'),
|
||||
vm
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
return (cache[key] = res)
|
||||
}
|
||||
}
|
||||
+5
@@ -0,0 +1,5 @@
|
||||
import KeepAlive from './keep-alive'
|
||||
|
||||
export default {
|
||||
KeepAlive
|
||||
}
|
||||
+124
@@ -0,0 +1,124 @@
|
||||
/* @flow */
|
||||
|
||||
import { isRegExp, remove } from 'shared/util'
|
||||
import { getFirstComponentChild } from 'core/vdom/helpers/index'
|
||||
|
||||
type VNodeCache = { [key: string]: ?VNode };
|
||||
|
||||
function getComponentName (opts: ?VNodeComponentOptions): ?string {
|
||||
return opts && (opts.Ctor.options.name || opts.tag)
|
||||
}
|
||||
|
||||
function matches (pattern: string | RegExp | Array<string>, name: string): boolean {
|
||||
if (Array.isArray(pattern)) {
|
||||
return pattern.indexOf(name) > -1
|
||||
} else if (typeof pattern === 'string') {
|
||||
return pattern.split(',').indexOf(name) > -1
|
||||
} else if (isRegExp(pattern)) {
|
||||
return pattern.test(name)
|
||||
}
|
||||
/* istanbul ignore next */
|
||||
return false
|
||||
}
|
||||
|
||||
function pruneCache (keepAliveInstance: any, filter: Function) {
|
||||
const { cache, keys, _vnode } = keepAliveInstance
|
||||
for (const key in cache) {
|
||||
const cachedNode: ?VNode = cache[key]
|
||||
if (cachedNode) {
|
||||
const name: ?string = getComponentName(cachedNode.componentOptions)
|
||||
if (name && !filter(name)) {
|
||||
pruneCacheEntry(cache, key, keys, _vnode)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function pruneCacheEntry (
|
||||
cache: VNodeCache,
|
||||
key: string,
|
||||
keys: Array<string>,
|
||||
current?: VNode
|
||||
) {
|
||||
const cached = cache[key]
|
||||
if (cached && (!current || cached.tag !== current.tag)) {
|
||||
cached.componentInstance.$destroy()
|
||||
}
|
||||
cache[key] = null
|
||||
remove(keys, key)
|
||||
}
|
||||
|
||||
const patternTypes: Array<Function> = [String, RegExp, Array]
|
||||
|
||||
export default {
|
||||
name: 'keep-alive',
|
||||
abstract: true,
|
||||
|
||||
props: {
|
||||
include: patternTypes,
|
||||
exclude: patternTypes,
|
||||
max: [String, Number]
|
||||
},
|
||||
|
||||
created () {
|
||||
this.cache = Object.create(null)
|
||||
this.keys = []
|
||||
},
|
||||
|
||||
destroyed () {
|
||||
for (const key in this.cache) {
|
||||
pruneCacheEntry(this.cache, key, this.keys)
|
||||
}
|
||||
},
|
||||
|
||||
mounted () {
|
||||
this.$watch('include', val => {
|
||||
pruneCache(this, name => matches(val, name))
|
||||
})
|
||||
this.$watch('exclude', val => {
|
||||
pruneCache(this, name => !matches(val, name))
|
||||
})
|
||||
},
|
||||
|
||||
render () {
|
||||
const slot = this.$slots.default
|
||||
const vnode: VNode = getFirstComponentChild(slot)
|
||||
const componentOptions: ?VNodeComponentOptions = vnode && vnode.componentOptions
|
||||
if (componentOptions) {
|
||||
// check pattern
|
||||
const name: ?string = getComponentName(componentOptions)
|
||||
const { include, exclude } = this
|
||||
if (
|
||||
// not included
|
||||
(include && (!name || !matches(include, name))) ||
|
||||
// excluded
|
||||
(exclude && name && matches(exclude, name))
|
||||
) {
|
||||
return vnode
|
||||
}
|
||||
|
||||
const { cache, keys } = this
|
||||
const key: ?string = vnode.key == null
|
||||
// same constructor may get registered as different local components
|
||||
// so cid alone is not enough (#3269)
|
||||
? componentOptions.Ctor.cid + (componentOptions.tag ? `::${componentOptions.tag}` : '')
|
||||
: vnode.key
|
||||
if (cache[key]) {
|
||||
vnode.componentInstance = cache[key].componentInstance
|
||||
// make current key freshest
|
||||
remove(keys, key)
|
||||
keys.push(key)
|
||||
} else {
|
||||
cache[key] = vnode
|
||||
keys.push(key)
|
||||
// prune oldest entry
|
||||
if (this.max && keys.length > parseInt(this.max)) {
|
||||
pruneCacheEntry(cache, keys[0], keys, this._vnode)
|
||||
}
|
||||
}
|
||||
|
||||
vnode.data.keepAlive = true
|
||||
}
|
||||
return vnode || (slot && slot[0])
|
||||
}
|
||||
}
|
||||
+121
@@ -0,0 +1,121 @@
|
||||
/* @flow */
|
||||
|
||||
import {
|
||||
no,
|
||||
noop,
|
||||
identity
|
||||
} from 'shared/util'
|
||||
|
||||
import { LIFECYCLE_HOOKS } from 'shared/constants'
|
||||
|
||||
export type Config = {
|
||||
// user
|
||||
optionMergeStrategies: { [key: string]: Function };
|
||||
silent: boolean;
|
||||
productionTip: boolean;
|
||||
performance: boolean;
|
||||
devtools: boolean;
|
||||
errorHandler: ?(err: Error, vm: Component, info: string) => void;
|
||||
warnHandler: ?(msg: string, vm: Component, trace: string) => void;
|
||||
ignoredElements: Array<string | RegExp>;
|
||||
keyCodes: { [key: string]: number | Array<number> };
|
||||
|
||||
// platform
|
||||
isReservedTag: (x?: string) => boolean;
|
||||
isReservedAttr: (x?: string) => boolean;
|
||||
parsePlatformTagName: (x: string) => string;
|
||||
isUnknownElement: (x?: string) => boolean;
|
||||
getTagNamespace: (x?: string) => string | void;
|
||||
mustUseProp: (tag: string, type: ?string, name: string) => boolean;
|
||||
|
||||
// legacy
|
||||
_lifecycleHooks: Array<string>;
|
||||
};
|
||||
|
||||
export default ({
|
||||
/**
|
||||
* 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,
|
||||
|
||||
/**
|
||||
* Exposed for legacy reasons
|
||||
*/
|
||||
_lifecycleHooks: LIFECYCLE_HOOKS
|
||||
}: Config)
|
||||
+34
@@ -0,0 +1,34 @@
|
||||
/* @flow */
|
||||
|
||||
import { ASSET_TYPES } from 'shared/constants'
|
||||
import { isPlainObject, validateComponentName } from '../util/index'
|
||||
|
||||
export function initAssetRegisters (Vue: GlobalAPI) {
|
||||
/**
|
||||
* Create asset registration methods.
|
||||
*/
|
||||
ASSET_TYPES.forEach(type => {
|
||||
Vue[type] = function (
|
||||
id: string,
|
||||
definition: Function | Object
|
||||
): Function | Object | void {
|
||||
if (!definition) {
|
||||
return this.options[type + 's'][id]
|
||||
} else {
|
||||
/* istanbul ignore if */
|
||||
if (process.env.NODE_ENV !== 'production' && type === 'component') {
|
||||
validateComponentName(id)
|
||||
}
|
||||
if (type === 'component' && isPlainObject(definition)) {
|
||||
definition.name = definition.name || id
|
||||
definition = this.options._base.extend(definition)
|
||||
}
|
||||
if (type === 'directive' && typeof definition === 'function') {
|
||||
definition = { bind: definition, update: definition }
|
||||
}
|
||||
this.options[type + 's'][id] = definition
|
||||
return definition
|
||||
}
|
||||
}
|
||||
})
|
||||
}
|
||||
+95
@@ -0,0 +1,95 @@
|
||||
/* @flow */
|
||||
|
||||
import { ASSET_TYPES } from 'shared/constants'
|
||||
import { defineComputed, proxy } from '../instance/state'
|
||||
import { extend, mergeOptions, validateComponentName } from '../util/index'
|
||||
|
||||
export function initExtend (Vue: GlobalAPI) {
|
||||
/**
|
||||
* Each instance constructor, including Vue, has a unique
|
||||
* cid. This enables us to create wrapped "child
|
||||
* constructors" for prototypal inheritance and cache them.
|
||||
*/
|
||||
Vue.cid = 0
|
||||
let cid = 1
|
||||
|
||||
/**
|
||||
* Class inheritance
|
||||
*/
|
||||
Vue.extend = function (extendOptions: Object): Function {
|
||||
extendOptions = extendOptions || {}
|
||||
const Super = this
|
||||
const SuperId = Super.cid
|
||||
const cachedCtors = extendOptions._Ctor || (extendOptions._Ctor = {})
|
||||
if (cachedCtors[SuperId]) {
|
||||
return cachedCtors[SuperId]
|
||||
}
|
||||
|
||||
const name = extendOptions.name || Super.options.name
|
||||
if (process.env.NODE_ENV !== 'production' && name) {
|
||||
validateComponentName(name)
|
||||
}
|
||||
|
||||
const Sub = function VueComponent (options) {
|
||||
this._init(options)
|
||||
}
|
||||
Sub.prototype = Object.create(Super.prototype)
|
||||
Sub.prototype.constructor = Sub
|
||||
Sub.cid = cid++
|
||||
Sub.options = mergeOptions(
|
||||
Super.options,
|
||||
extendOptions
|
||||
)
|
||||
Sub['super'] = Super
|
||||
|
||||
// For props and computed properties, we define the proxy getters on
|
||||
// the Vue instances at extension time, on the extended prototype. This
|
||||
// avoids Object.defineProperty calls for each instance created.
|
||||
if (Sub.options.props) {
|
||||
initProps(Sub)
|
||||
}
|
||||
if (Sub.options.computed) {
|
||||
initComputed(Sub)
|
||||
}
|
||||
|
||||
// allow further extension/mixin/plugin usage
|
||||
Sub.extend = Super.extend
|
||||
Sub.mixin = Super.mixin
|
||||
Sub.use = Super.use
|
||||
|
||||
// create asset registers, so extended classes
|
||||
// can have their private assets too.
|
||||
ASSET_TYPES.forEach(function (type) {
|
||||
Sub[type] = Super[type]
|
||||
})
|
||||
// enable recursive self-lookup
|
||||
if (name) {
|
||||
Sub.options.components[name] = Sub
|
||||
}
|
||||
|
||||
// keep a reference to the super options at extension time.
|
||||
// later at instantiation we can check if Super's options have
|
||||
// been updated.
|
||||
Sub.superOptions = Super.options
|
||||
Sub.extendOptions = extendOptions
|
||||
Sub.sealedOptions = extend({}, Sub.options)
|
||||
|
||||
// cache constructor
|
||||
cachedCtors[SuperId] = Sub
|
||||
return Sub
|
||||
}
|
||||
}
|
||||
|
||||
function initProps (Comp) {
|
||||
const props = Comp.options.props
|
||||
for (const key in props) {
|
||||
proxy(Comp.prototype, `_props`, key)
|
||||
}
|
||||
}
|
||||
|
||||
function initComputed (Comp) {
|
||||
const computed = Comp.options.computed
|
||||
for (const key in computed) {
|
||||
defineComputed(Comp.prototype, key, computed[key])
|
||||
}
|
||||
}
|
||||
+62
@@ -0,0 +1,62 @@
|
||||
/* @flow */
|
||||
|
||||
import config from '../config'
|
||||
import { initUse } from './use'
|
||||
import { initMixin } from './mixin'
|
||||
import { initExtend } from './extend'
|
||||
import { initAssetRegisters } from './assets'
|
||||
import { set, del } from '../observer/index'
|
||||
import { ASSET_TYPES } from 'shared/constants'
|
||||
import builtInComponents from '../components/index'
|
||||
|
||||
import {
|
||||
warn,
|
||||
extend,
|
||||
nextTick,
|
||||
mergeOptions,
|
||||
defineReactive
|
||||
} from '../util/index'
|
||||
|
||||
export function initGlobalAPI (Vue: GlobalAPI) {
|
||||
// config
|
||||
const configDef = {}
|
||||
configDef.get = () => config
|
||||
if (process.env.NODE_ENV !== 'production') {
|
||||
configDef.set = () => {
|
||||
warn(
|
||||
'Do not replace the Vue.config object, set individual fields instead.'
|
||||
)
|
||||
}
|
||||
}
|
||||
Object.defineProperty(Vue, 'config', configDef)
|
||||
|
||||
// exposed util methods.
|
||||
// NOTE: these are not considered part of the public API - avoid relying on
|
||||
// them unless you are aware of the risk.
|
||||
Vue.util = {
|
||||
warn,
|
||||
extend,
|
||||
mergeOptions,
|
||||
defineReactive
|
||||
}
|
||||
|
||||
Vue.set = set
|
||||
Vue.delete = del
|
||||
Vue.nextTick = nextTick
|
||||
|
||||
Vue.options = Object.create(null)
|
||||
ASSET_TYPES.forEach(type => {
|
||||
Vue.options[type + 's'] = Object.create(null)
|
||||
})
|
||||
|
||||
// this is used to identify the "base" constructor to extend all plain-object
|
||||
// components with in Weex's multi-instance scenarios.
|
||||
Vue.options._base = Vue
|
||||
|
||||
extend(Vue.options.components, builtInComponents)
|
||||
|
||||
initUse(Vue)
|
||||
initMixin(Vue)
|
||||
initExtend(Vue)
|
||||
initAssetRegisters(Vue)
|
||||
}
|
||||
+10
@@ -0,0 +1,10 @@
|
||||
/* @flow */
|
||||
|
||||
import { mergeOptions } from '../util/index'
|
||||
|
||||
export function initMixin (Vue: GlobalAPI) {
|
||||
Vue.mixin = function (mixin: Object) {
|
||||
this.options = mergeOptions(this.options, mixin)
|
||||
return this
|
||||
}
|
||||
}
|
||||
+23
@@ -0,0 +1,23 @@
|
||||
/* @flow */
|
||||
|
||||
import { toArray } from '../util/index'
|
||||
|
||||
export function initUse (Vue: GlobalAPI) {
|
||||
Vue.use = function (plugin: Function | Object) {
|
||||
const installedPlugins = (this._installedPlugins || (this._installedPlugins = []))
|
||||
if (installedPlugins.indexOf(plugin) > -1) {
|
||||
return this
|
||||
}
|
||||
|
||||
// additional parameters
|
||||
const args = toArray(arguments, 1)
|
||||
args.unshift(this)
|
||||
if (typeof plugin.install === 'function') {
|
||||
plugin.install.apply(plugin, args)
|
||||
} else if (typeof plugin === 'function') {
|
||||
plugin.apply(null, args)
|
||||
}
|
||||
installedPlugins.push(plugin)
|
||||
return this
|
||||
}
|
||||
}
|
||||
+26
@@ -0,0 +1,26 @@
|
||||
import Vue from './instance/index'
|
||||
import { initGlobalAPI } from './global-api/index'
|
||||
import { isServerRendering } from 'core/util/env'
|
||||
import { FunctionalRenderContext } from 'core/vdom/create-functional-component'
|
||||
|
||||
initGlobalAPI(Vue)
|
||||
|
||||
Object.defineProperty(Vue.prototype, '$isServer', {
|
||||
get: isServerRendering
|
||||
})
|
||||
|
||||
Object.defineProperty(Vue.prototype, '$ssrContext', {
|
||||
get () {
|
||||
/* istanbul ignore next */
|
||||
return this.$vnode && this.$vnode.ssrContext
|
||||
}
|
||||
})
|
||||
|
||||
// expose FunctionalRenderContext for ssr runtime helper installation
|
||||
Object.defineProperty(Vue, 'FunctionalRenderContext', {
|
||||
value: FunctionalRenderContext
|
||||
})
|
||||
|
||||
Vue.version = '__VERSION__'
|
||||
|
||||
export default Vue
|
||||
+142
@@ -0,0 +1,142 @@
|
||||
/* @flow */
|
||||
|
||||
import {
|
||||
tip,
|
||||
toArray,
|
||||
hyphenate,
|
||||
handleError,
|
||||
formatComponentName
|
||||
} from '../util/index'
|
||||
import { updateListeners } from '../vdom/helpers/index'
|
||||
|
||||
export function initEvents (vm: Component) {
|
||||
vm._events = Object.create(null)
|
||||
vm._hasHookEvent = false
|
||||
// init parent attached events
|
||||
const listeners = vm.$options._parentListeners
|
||||
if (listeners) {
|
||||
updateComponentListeners(vm, listeners)
|
||||
}
|
||||
}
|
||||
|
||||
let target: any
|
||||
|
||||
function add (event, fn, once) {
|
||||
if (once) {
|
||||
target.$once(event, fn)
|
||||
} else {
|
||||
target.$on(event, fn)
|
||||
}
|
||||
}
|
||||
|
||||
function remove (event, fn) {
|
||||
target.$off(event, fn)
|
||||
}
|
||||
|
||||
export function updateComponentListeners (
|
||||
vm: Component,
|
||||
listeners: Object,
|
||||
oldListeners: ?Object
|
||||
) {
|
||||
target = vm
|
||||
updateListeners(listeners, oldListeners || {}, add, remove, vm)
|
||||
target = undefined
|
||||
}
|
||||
|
||||
export function eventsMixin (Vue: Class<Component>) {
|
||||
const hookRE = /^hook:/
|
||||
Vue.prototype.$on = function (event: string | Array<string>, fn: Function): Component {
|
||||
const vm: Component = this
|
||||
if (Array.isArray(event)) {
|
||||
for (let i = 0, l = event.length; i < l; i++) {
|
||||
this.$on(event[i], fn)
|
||||
}
|
||||
} else {
|
||||
(vm._events[event] || (vm._events[event] = [])).push(fn)
|
||||
// optimize hook:event cost by using a boolean flag marked at registration
|
||||
// instead of a hash lookup
|
||||
if (hookRE.test(event)) {
|
||||
vm._hasHookEvent = true
|
||||
}
|
||||
}
|
||||
return vm
|
||||
}
|
||||
|
||||
Vue.prototype.$once = function (event: string, fn: Function): Component {
|
||||
const vm: Component = this
|
||||
function on () {
|
||||
vm.$off(event, on)
|
||||
fn.apply(vm, arguments)
|
||||
}
|
||||
on.fn = fn
|
||||
vm.$on(event, on)
|
||||
return vm
|
||||
}
|
||||
|
||||
Vue.prototype.$off = function (event?: string | Array<string>, fn?: Function): Component {
|
||||
const vm: Component = this
|
||||
// all
|
||||
if (!arguments.length) {
|
||||
vm._events = Object.create(null)
|
||||
return vm
|
||||
}
|
||||
// array of events
|
||||
if (Array.isArray(event)) {
|
||||
for (let i = 0, l = event.length; i < l; i++) {
|
||||
this.$off(event[i], fn)
|
||||
}
|
||||
return vm
|
||||
}
|
||||
// specific event
|
||||
const cbs = vm._events[event]
|
||||
if (!cbs) {
|
||||
return vm
|
||||
}
|
||||
if (!fn) {
|
||||
vm._events[event] = null
|
||||
return vm
|
||||
}
|
||||
if (fn) {
|
||||
// specific handler
|
||||
let cb
|
||||
let i = cbs.length
|
||||
while (i--) {
|
||||
cb = cbs[i]
|
||||
if (cb === fn || cb.fn === fn) {
|
||||
cbs.splice(i, 1)
|
||||
break
|
||||
}
|
||||
}
|
||||
}
|
||||
return vm
|
||||
}
|
||||
|
||||
Vue.prototype.$emit = function (event: string): Component {
|
||||
const vm: Component = this
|
||||
if (process.env.NODE_ENV !== 'production') {
|
||||
const lowerCaseEvent = event.toLowerCase()
|
||||
if (lowerCaseEvent !== event && vm._events[lowerCaseEvent]) {
|
||||
tip(
|
||||
`Event "${lowerCaseEvent}" is emitted in component ` +
|
||||
`${formatComponentName(vm)} but the handler is registered for "${event}". ` +
|
||||
`Note that HTML attributes are case-insensitive and you cannot use ` +
|
||||
`v-on to listen to camelCase events when using in-DOM templates. ` +
|
||||
`You should probably use "${hyphenate(event)}" instead of "${event}".`
|
||||
)
|
||||
}
|
||||
}
|
||||
let cbs = vm._events[event]
|
||||
if (cbs) {
|
||||
cbs = cbs.length > 1 ? toArray(cbs) : cbs
|
||||
const args = toArray(arguments, 1)
|
||||
for (let i = 0, l = cbs.length; i < l; i++) {
|
||||
try {
|
||||
cbs[i].apply(vm, args)
|
||||
} catch (e) {
|
||||
handleError(e, vm, `event handler for "${event}"`)
|
||||
}
|
||||
}
|
||||
}
|
||||
return vm
|
||||
}
|
||||
}
|
||||
+23
@@ -0,0 +1,23 @@
|
||||
import { initMixin } from './init'
|
||||
import { stateMixin } from './state'
|
||||
import { renderMixin } from './render'
|
||||
import { eventsMixin } from './events'
|
||||
import { lifecycleMixin } from './lifecycle'
|
||||
import { warn } from '../util/index'
|
||||
|
||||
function Vue (options) {
|
||||
if (process.env.NODE_ENV !== 'production' &&
|
||||
!(this instanceof Vue)
|
||||
) {
|
||||
warn('Vue is a constructor and should be called with the `new` keyword')
|
||||
}
|
||||
this._init(options)
|
||||
}
|
||||
|
||||
initMixin(Vue)
|
||||
stateMixin(Vue)
|
||||
eventsMixin(Vue)
|
||||
lifecycleMixin(Vue)
|
||||
renderMixin(Vue)
|
||||
|
||||
export default Vue
|
||||
+150
@@ -0,0 +1,150 @@
|
||||
/* @flow */
|
||||
|
||||
import config from '../config'
|
||||
import { initProxy } from './proxy'
|
||||
import { initState } from './state'
|
||||
import { initRender } from './render'
|
||||
import { initEvents } from './events'
|
||||
import { mark, measure } from '../util/perf'
|
||||
import { initLifecycle, callHook } from './lifecycle'
|
||||
import { initProvide, initInjections } from './inject'
|
||||
import { extend, mergeOptions, formatComponentName } from '../util/index'
|
||||
|
||||
let uid = 0
|
||||
|
||||
export function initMixin (Vue: Class<Component>) {
|
||||
Vue.prototype._init = function (options?: Object) {
|
||||
const vm: Component = this
|
||||
// a uid
|
||||
vm._uid = uid++
|
||||
|
||||
let startTag, endTag
|
||||
/* istanbul ignore if */
|
||||
if (process.env.NODE_ENV !== 'production' && config.performance && mark) {
|
||||
startTag = `vue-perf-start:${vm._uid}`
|
||||
endTag = `vue-perf-end:${vm._uid}`
|
||||
mark(startTag)
|
||||
}
|
||||
|
||||
// a flag to avoid this being observed
|
||||
vm._isVue = true
|
||||
// merge options
|
||||
if (options && options._isComponent) {
|
||||
// optimize internal component instantiation
|
||||
// since dynamic options merging is pretty slow, and none of the
|
||||
// internal component options needs special treatment.
|
||||
initInternalComponent(vm, options)
|
||||
} else {
|
||||
vm.$options = mergeOptions(
|
||||
resolveConstructorOptions(vm.constructor),
|
||||
options || {},
|
||||
vm
|
||||
)
|
||||
}
|
||||
/* istanbul ignore else */
|
||||
if (process.env.NODE_ENV !== 'production') {
|
||||
initProxy(vm)
|
||||
} else {
|
||||
vm._renderProxy = vm
|
||||
}
|
||||
// expose real self
|
||||
vm._self = vm
|
||||
initLifecycle(vm)
|
||||
initEvents(vm)
|
||||
initRender(vm)
|
||||
callHook(vm, 'beforeCreate')
|
||||
initInjections(vm) // resolve injections before data/props
|
||||
initState(vm)
|
||||
initProvide(vm) // resolve provide after data/props
|
||||
callHook(vm, 'created')
|
||||
|
||||
/* istanbul ignore if */
|
||||
if (process.env.NODE_ENV !== 'production' && config.performance && mark) {
|
||||
vm._name = formatComponentName(vm, false)
|
||||
mark(endTag)
|
||||
measure(`vue ${vm._name} init`, startTag, endTag)
|
||||
}
|
||||
|
||||
if (vm.$options.el) {
|
||||
vm.$mount(vm.$options.el)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
export function initInternalComponent (vm: Component, options: InternalComponentOptions) {
|
||||
const opts = vm.$options = Object.create(vm.constructor.options)
|
||||
// doing this because it's faster than dynamic enumeration.
|
||||
const parentVnode = options._parentVnode
|
||||
opts.parent = options.parent
|
||||
opts._parentVnode = parentVnode
|
||||
opts._parentElm = options._parentElm
|
||||
opts._refElm = options._refElm
|
||||
|
||||
const vnodeComponentOptions = parentVnode.componentOptions
|
||||
opts.propsData = vnodeComponentOptions.propsData
|
||||
opts._parentListeners = vnodeComponentOptions.listeners
|
||||
opts._renderChildren = vnodeComponentOptions.children
|
||||
opts._componentTag = vnodeComponentOptions.tag
|
||||
|
||||
if (options.render) {
|
||||
opts.render = options.render
|
||||
opts.staticRenderFns = options.staticRenderFns
|
||||
}
|
||||
}
|
||||
|
||||
export function resolveConstructorOptions (Ctor: Class<Component>) {
|
||||
let options = Ctor.options
|
||||
if (Ctor.super) {
|
||||
const superOptions = resolveConstructorOptions(Ctor.super)
|
||||
const 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)
|
||||
const 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: Class<Component>): ?Object {
|
||||
let modified
|
||||
const latest = Ctor.options
|
||||
const extended = Ctor.extendOptions
|
||||
const sealed = Ctor.sealedOptions
|
||||
for (const 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)) {
|
||||
const res = []
|
||||
sealed = Array.isArray(sealed) ? sealed : [sealed]
|
||||
extended = Array.isArray(extended) ? extended : [extended]
|
||||
for (let 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
|
||||
}
|
||||
}
|
||||
+74
@@ -0,0 +1,74 @@
|
||||
/* @flow */
|
||||
|
||||
import { hasOwn } from 'shared/util'
|
||||
import { warn, hasSymbol } from '../util/index'
|
||||
import { defineReactive, toggleObserving } from '../observer/index'
|
||||
|
||||
export function initProvide (vm: Component) {
|
||||
const provide = vm.$options.provide
|
||||
if (provide) {
|
||||
vm._provided = typeof provide === 'function'
|
||||
? provide.call(vm)
|
||||
: provide
|
||||
}
|
||||
}
|
||||
|
||||
export function initInjections (vm: Component) {
|
||||
const result = resolveInject(vm.$options.inject, vm)
|
||||
if (result) {
|
||||
toggleObserving(false)
|
||||
Object.keys(result).forEach(key => {
|
||||
/* istanbul ignore else */
|
||||
if (process.env.NODE_ENV !== 'production') {
|
||||
defineReactive(vm, key, result[key], () => {
|
||||
warn(
|
||||
`Avoid mutating an injected value directly since the changes will be ` +
|
||||
`overwritten whenever the provided component re-renders. ` +
|
||||
`injection being mutated: "${key}"`,
|
||||
vm
|
||||
)
|
||||
})
|
||||
} else {
|
||||
defineReactive(vm, key, result[key])
|
||||
}
|
||||
})
|
||||
toggleObserving(true)
|
||||
}
|
||||
}
|
||||
|
||||
export function resolveInject (inject: any, vm: Component): ?Object {
|
||||
if (inject) {
|
||||
// inject is :any because flow is not smart enough to figure out cached
|
||||
const result = Object.create(null)
|
||||
const keys = hasSymbol
|
||||
? Reflect.ownKeys(inject).filter(key => {
|
||||
/* istanbul ignore next */
|
||||
return Object.getOwnPropertyDescriptor(inject, key).enumerable
|
||||
})
|
||||
: Object.keys(inject)
|
||||
|
||||
for (let i = 0; i < keys.length; i++) {
|
||||
const key = keys[i]
|
||||
const provideKey = inject[key].from
|
||||
let source = vm
|
||||
while (source) {
|
||||
if (source._provided && hasOwn(source._provided, provideKey)) {
|
||||
result[key] = source._provided[provideKey]
|
||||
break
|
||||
}
|
||||
source = source.$parent
|
||||
}
|
||||
if (!source) {
|
||||
if ('default' in inject[key]) {
|
||||
const provideDefault = inject[key].default
|
||||
result[key] = typeof provideDefault === 'function'
|
||||
? provideDefault.call(vm)
|
||||
: provideDefault
|
||||
} else if (process.env.NODE_ENV !== 'production') {
|
||||
warn(`Injection "${key}" not found`, vm)
|
||||
}
|
||||
}
|
||||
}
|
||||
return result
|
||||
}
|
||||
}
|
||||
+336
@@ -0,0 +1,336 @@
|
||||
/* @flow */
|
||||
|
||||
import config from '../config'
|
||||
import Watcher from '../observer/watcher'
|
||||
import { mark, measure } from '../util/perf'
|
||||
import { createEmptyVNode } from '../vdom/vnode'
|
||||
import { updateComponentListeners } from './events'
|
||||
import { resolveSlots } from './render-helpers/resolve-slots'
|
||||
import { toggleObserving } from '../observer/index'
|
||||
import { pushTarget, popTarget } from '../observer/dep'
|
||||
|
||||
import {
|
||||
warn,
|
||||
noop,
|
||||
remove,
|
||||
handleError,
|
||||
emptyObject,
|
||||
validateProp
|
||||
} from '../util/index'
|
||||
|
||||
export let activeInstance: any = null
|
||||
export let isUpdatingChildComponent: boolean = false
|
||||
|
||||
export function initLifecycle (vm: Component) {
|
||||
const options = vm.$options
|
||||
|
||||
// locate first non-abstract parent
|
||||
let parent = options.parent
|
||||
if (parent && !options.abstract) {
|
||||
while (parent.$options.abstract && parent.$parent) {
|
||||
parent = parent.$parent
|
||||
}
|
||||
parent.$children.push(vm)
|
||||
}
|
||||
|
||||
vm.$parent = parent
|
||||
vm.$root = parent ? parent.$root : vm
|
||||
|
||||
vm.$children = []
|
||||
vm.$refs = {}
|
||||
|
||||
vm._watcher = null
|
||||
vm._inactive = null
|
||||
vm._directInactive = false
|
||||
vm._isMounted = false
|
||||
vm._isDestroyed = false
|
||||
vm._isBeingDestroyed = false
|
||||
}
|
||||
|
||||
export function lifecycleMixin (Vue: Class<Component>) {
|
||||
Vue.prototype._update = function (vnode: VNode, hydrating?: boolean) {
|
||||
const vm: Component = this
|
||||
if (vm._isMounted) {
|
||||
callHook(vm, 'beforeUpdate')
|
||||
}
|
||||
const prevEl = vm.$el
|
||||
const prevVnode = vm._vnode
|
||||
const prevActiveInstance = activeInstance
|
||||
activeInstance = vm
|
||||
vm._vnode = vnode
|
||||
// Vue.prototype.__patch__ is injected in entry points
|
||||
// based on the rendering backend used.
|
||||
if (!prevVnode) {
|
||||
// initial render
|
||||
vm.$el = vm.__patch__(
|
||||
vm.$el, vnode, hydrating, false /* removeOnly */,
|
||||
vm.$options._parentElm,
|
||||
vm.$options._refElm
|
||||
)
|
||||
// no need for the ref nodes after initial patch
|
||||
// this prevents keeping a detached DOM tree in memory (#5851)
|
||||
vm.$options._parentElm = vm.$options._refElm = null
|
||||
} else {
|
||||
// updates
|
||||
vm.$el = vm.__patch__(prevVnode, vnode)
|
||||
}
|
||||
activeInstance = prevActiveInstance
|
||||
// update __vue__ reference
|
||||
if (prevEl) {
|
||||
prevEl.__vue__ = null
|
||||
}
|
||||
if (vm.$el) {
|
||||
vm.$el.__vue__ = vm
|
||||
}
|
||||
// if parent is an HOC, update its $el as well
|
||||
if (vm.$vnode && vm.$parent && vm.$vnode === vm.$parent._vnode) {
|
||||
vm.$parent.$el = vm.$el
|
||||
}
|
||||
// updated hook is called by the scheduler to ensure that children are
|
||||
// updated in a parent's updated hook.
|
||||
}
|
||||
|
||||
Vue.prototype.$forceUpdate = function () {
|
||||
const vm: Component = this
|
||||
if (vm._watcher) {
|
||||
vm._watcher.update()
|
||||
}
|
||||
}
|
||||
|
||||
Vue.prototype.$destroy = function () {
|
||||
const vm: Component = this
|
||||
if (vm._isBeingDestroyed) {
|
||||
return
|
||||
}
|
||||
callHook(vm, 'beforeDestroy')
|
||||
vm._isBeingDestroyed = true
|
||||
// remove self from parent
|
||||
const parent = vm.$parent
|
||||
if (parent && !parent._isBeingDestroyed && !vm.$options.abstract) {
|
||||
remove(parent.$children, vm)
|
||||
}
|
||||
// teardown watchers
|
||||
if (vm._watcher) {
|
||||
vm._watcher.teardown()
|
||||
}
|
||||
let i = vm._watchers.length
|
||||
while (i--) {
|
||||
vm._watchers[i].teardown()
|
||||
}
|
||||
// remove reference from data ob
|
||||
// frozen object may not have observer.
|
||||
if (vm._data.__ob__) {
|
||||
vm._data.__ob__.vmCount--
|
||||
}
|
||||
// call the last hook...
|
||||
vm._isDestroyed = true
|
||||
// invoke destroy hooks on current rendered tree
|
||||
vm.__patch__(vm._vnode, null)
|
||||
// fire destroyed hook
|
||||
callHook(vm, 'destroyed')
|
||||
// turn off all instance listeners.
|
||||
vm.$off()
|
||||
// remove __vue__ reference
|
||||
if (vm.$el) {
|
||||
vm.$el.__vue__ = null
|
||||
}
|
||||
// release circular reference (#6759)
|
||||
if (vm.$vnode) {
|
||||
vm.$vnode.parent = null
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
export function mountComponent (
|
||||
vm: Component,
|
||||
el: ?Element,
|
||||
hydrating?: boolean
|
||||
): Component {
|
||||
vm.$el = el
|
||||
if (!vm.$options.render) {
|
||||
vm.$options.render = createEmptyVNode
|
||||
if (process.env.NODE_ENV !== 'production') {
|
||||
/* istanbul ignore if */
|
||||
if ((vm.$options.template && vm.$options.template.charAt(0) !== '#') ||
|
||||
vm.$options.el || el) {
|
||||
warn(
|
||||
'You are using the runtime-only build of Vue where the template ' +
|
||||
'compiler is not available. Either pre-compile the templates into ' +
|
||||
'render functions, or use the compiler-included build.',
|
||||
vm
|
||||
)
|
||||
} else {
|
||||
warn(
|
||||
'Failed to mount component: template or render function not defined.',
|
||||
vm
|
||||
)
|
||||
}
|
||||
}
|
||||
}
|
||||
callHook(vm, 'beforeMount')
|
||||
|
||||
let updateComponent
|
||||
/* istanbul ignore if */
|
||||
if (process.env.NODE_ENV !== 'production' && config.performance && mark) {
|
||||
updateComponent = () => {
|
||||
const name = vm._name
|
||||
const id = vm._uid
|
||||
const startTag = `vue-perf-start:${id}`
|
||||
const endTag = `vue-perf-end:${id}`
|
||||
|
||||
mark(startTag)
|
||||
const vnode = vm._render()
|
||||
mark(endTag)
|
||||
measure(`vue ${name} render`, startTag, endTag)
|
||||
|
||||
mark(startTag)
|
||||
vm._update(vnode, hydrating)
|
||||
mark(endTag)
|
||||
measure(`vue ${name} patch`, startTag, endTag)
|
||||
}
|
||||
} else {
|
||||
updateComponent = () => {
|
||||
vm._update(vm._render(), hydrating)
|
||||
}
|
||||
}
|
||||
|
||||
// we set this to vm._watcher inside the watcher's constructor
|
||||
// since the watcher's initial patch may call $forceUpdate (e.g. inside child
|
||||
// component's mounted hook), which relies on vm._watcher being already defined
|
||||
new Watcher(vm, updateComponent, noop, null, true /* isRenderWatcher */)
|
||||
hydrating = false
|
||||
|
||||
// manually mounted instance, call mounted on self
|
||||
// mounted is called for render-created child components in its inserted hook
|
||||
if (vm.$vnode == null) {
|
||||
vm._isMounted = true
|
||||
callHook(vm, 'mounted')
|
||||
}
|
||||
return vm
|
||||
}
|
||||
|
||||
export function updateChildComponent (
|
||||
vm: Component,
|
||||
propsData: ?Object,
|
||||
listeners: ?Object,
|
||||
parentVnode: MountedComponentVNode,
|
||||
renderChildren: ?Array<VNode>
|
||||
) {
|
||||
if (process.env.NODE_ENV !== 'production') {
|
||||
isUpdatingChildComponent = true
|
||||
}
|
||||
|
||||
// determine whether component has slot children
|
||||
// we need to do this before overwriting $options._renderChildren
|
||||
const hasChildren = !!(
|
||||
renderChildren || // has new static slots
|
||||
vm.$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)
|
||||
const props = vm._props
|
||||
const propKeys = vm.$options._propKeys || []
|
||||
for (let i = 0; i < propKeys.length; i++) {
|
||||
const key = propKeys[i]
|
||||
const propOptions: any = vm.$options.props // wtf flow?
|
||||
props[key] = validateProp(key, propOptions, propsData, vm)
|
||||
}
|
||||
toggleObserving(true)
|
||||
// keep a copy of raw propsData
|
||||
vm.$options.propsData = propsData
|
||||
}
|
||||
|
||||
// update listeners
|
||||
listeners = listeners || emptyObject
|
||||
const oldListeners = vm.$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.$forceUpdate()
|
||||
}
|
||||
|
||||
if (process.env.NODE_ENV !== 'production') {
|
||||
isUpdatingChildComponent = false
|
||||
}
|
||||
}
|
||||
|
||||
function isInInactiveTree (vm) {
|
||||
while (vm && (vm = vm.$parent)) {
|
||||
if (vm._inactive) return true
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
export function activateChildComponent (vm: Component, direct?: boolean) {
|
||||
if (direct) {
|
||||
vm._directInactive = false
|
||||
if (isInInactiveTree(vm)) {
|
||||
return
|
||||
}
|
||||
} else if (vm._directInactive) {
|
||||
return
|
||||
}
|
||||
if (vm._inactive || vm._inactive === null) {
|
||||
vm._inactive = false
|
||||
for (let i = 0; i < vm.$children.length; i++) {
|
||||
activateChildComponent(vm.$children[i])
|
||||
}
|
||||
callHook(vm, 'activated')
|
||||
}
|
||||
}
|
||||
|
||||
export function deactivateChildComponent (vm: Component, direct?: boolean) {
|
||||
if (direct) {
|
||||
vm._directInactive = true
|
||||
if (isInInactiveTree(vm)) {
|
||||
return
|
||||
}
|
||||
}
|
||||
if (!vm._inactive) {
|
||||
vm._inactive = true
|
||||
for (let i = 0; i < vm.$children.length; i++) {
|
||||
deactivateChildComponent(vm.$children[i])
|
||||
}
|
||||
callHook(vm, 'deactivated')
|
||||
}
|
||||
}
|
||||
|
||||
export function callHook (vm: Component, hook: string) {
|
||||
// #7573 disable dep collection when invoking lifecycle hooks
|
||||
pushTarget()
|
||||
const handlers = vm.$options[hook]
|
||||
if (handlers) {
|
||||
for (let i = 0, j = handlers.length; i < j; i++) {
|
||||
try {
|
||||
handlers[i].call(vm)
|
||||
} catch (e) {
|
||||
handleError(e, vm, `${hook} hook`)
|
||||
}
|
||||
}
|
||||
}
|
||||
if (vm._hasHookEvent) {
|
||||
vm.$emit('hook:' + hook)
|
||||
}
|
||||
popTarget()
|
||||
}
|
||||
+79
@@ -0,0 +1,79 @@
|
||||
/* not type checking this file because flow doesn't play well with Proxy */
|
||||
|
||||
import config from 'core/config'
|
||||
import { warn, makeMap, isNative } from '../util/index'
|
||||
|
||||
let initProxy
|
||||
|
||||
if (process.env.NODE_ENV !== 'production') {
|
||||
const allowedGlobals = makeMap(
|
||||
'Infinity,undefined,NaN,isFinite,isNaN,' +
|
||||
'parseFloat,parseInt,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,' +
|
||||
'Math,Number,Date,Array,Object,Boolean,String,RegExp,Map,Set,JSON,Intl,' +
|
||||
'require' // for Webpack/Browserify
|
||||
)
|
||||
|
||||
const warnNonPresent = (target, key) => {
|
||||
warn(
|
||||
`Property or method "${key}" is not defined on the instance but ` +
|
||||
'referenced during render. Make sure that this property is reactive, ' +
|
||||
'either in the data option, or for class-based components, by ' +
|
||||
'initializing the property. ' +
|
||||
'See: https://vuejs.org/v2/guide/reactivity.html#Declaring-Reactive-Properties.',
|
||||
target
|
||||
)
|
||||
}
|
||||
|
||||
const hasProxy =
|
||||
typeof Proxy !== 'undefined' && isNative(Proxy)
|
||||
|
||||
if (hasProxy) {
|
||||
const isBuiltInModifier = makeMap('stop,prevent,self,ctrl,shift,alt,meta,exact')
|
||||
config.keyCodes = new Proxy(config.keyCodes, {
|
||||
set (target, key, value) {
|
||||
if (isBuiltInModifier(key)) {
|
||||
warn(`Avoid overwriting built-in modifier in config.keyCodes: .${key}`)
|
||||
return false
|
||||
} else {
|
||||
target[key] = value
|
||||
return true
|
||||
}
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
const hasHandler = {
|
||||
has (target, key) {
|
||||
const has = key in target
|
||||
const isAllowed = allowedGlobals(key) || key.charAt(0) === '_'
|
||||
if (!has && !isAllowed) {
|
||||
warnNonPresent(target, key)
|
||||
}
|
||||
return has || !isAllowed
|
||||
}
|
||||
}
|
||||
|
||||
const getHandler = {
|
||||
get (target, key) {
|
||||
if (typeof key === 'string' && !(key in target)) {
|
||||
warnNonPresent(target, key)
|
||||
}
|
||||
return target[key]
|
||||
}
|
||||
}
|
||||
|
||||
initProxy = function initProxy (vm) {
|
||||
if (hasProxy) {
|
||||
// determine which proxy handler to use
|
||||
const options = vm.$options
|
||||
const handlers = options.render && options.render._withStripped
|
||||
? getHandler
|
||||
: hasHandler
|
||||
vm._renderProxy = new Proxy(vm, handlers)
|
||||
} else {
|
||||
vm._renderProxy = vm
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
export { initProxy }
|
||||
+22
@@ -0,0 +1,22 @@
|
||||
/* @flow */
|
||||
|
||||
import { warn, extend, isPlainObject } from 'core/util/index'
|
||||
|
||||
export function bindObjectListeners (data: any, value: any): VNodeData {
|
||||
if (value) {
|
||||
if (!isPlainObject(value)) {
|
||||
process.env.NODE_ENV !== 'production' && warn(
|
||||
'v-on without argument expects an Object value',
|
||||
this
|
||||
)
|
||||
} else {
|
||||
const on = data.on = data.on ? extend({}, data.on) : {}
|
||||
for (const key in value) {
|
||||
const existing = on[key]
|
||||
const ours = value[key]
|
||||
on[key] = existing ? [].concat(existing, ours) : ours
|
||||
}
|
||||
}
|
||||
}
|
||||
return data
|
||||
}
|
||||
+60
@@ -0,0 +1,60 @@
|
||||
/* @flow */
|
||||
|
||||
import config from 'core/config'
|
||||
|
||||
import {
|
||||
warn,
|
||||
isObject,
|
||||
toObject,
|
||||
isReservedAttribute
|
||||
} from 'core/util/index'
|
||||
|
||||
/**
|
||||
* Runtime helper for merging v-bind="object" into a VNode's data.
|
||||
*/
|
||||
export function bindObjectProps (
|
||||
data: any,
|
||||
tag: string,
|
||||
value: any,
|
||||
asProp: boolean,
|
||||
isSync?: boolean
|
||||
): VNodeData {
|
||||
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)
|
||||
}
|
||||
let hash
|
||||
for (const key in value) {
|
||||
if (
|
||||
key === 'class' ||
|
||||
key === 'style' ||
|
||||
isReservedAttribute(key)
|
||||
) {
|
||||
hash = data
|
||||
} else {
|
||||
const type = data.attrs && data.attrs.type
|
||||
hash = asProp || config.mustUseProp(tag, type, key)
|
||||
? data.domProps || (data.domProps = {})
|
||||
: data.attrs || (data.attrs = {})
|
||||
}
|
||||
if (!(key in hash)) {
|
||||
hash[key] = value[key]
|
||||
|
||||
if (isSync) {
|
||||
const on = data.on || (data.on = {})
|
||||
on[`update:${key}`] = function ($event) {
|
||||
value[key] = $event
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
return data
|
||||
}
|
||||
+34
@@ -0,0 +1,34 @@
|
||||
/* @flow */
|
||||
|
||||
import config from 'core/config'
|
||||
import { hyphenate } from 'shared/util'
|
||||
|
||||
function isKeyNotMatch<T> (expect: T | Array<T>, actual: T): boolean {
|
||||
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
|
||||
*/
|
||||
export function checkKeyCodes (
|
||||
eventKeyCode: number,
|
||||
key: string,
|
||||
builtInKeyCode?: number | Array<number>,
|
||||
eventKeyName?: string,
|
||||
builtInKeyName?: string | Array<string>
|
||||
): ?boolean {
|
||||
const 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
|
||||
}
|
||||
}
|
||||
+30
@@ -0,0 +1,30 @@
|
||||
/* @flow */
|
||||
|
||||
import { toNumber, toString, looseEqual, looseIndexOf } from 'shared/util'
|
||||
import { createTextVNode, createEmptyVNode } from 'core/vdom/vnode'
|
||||
import { renderList } from './render-list'
|
||||
import { renderSlot } from './render-slot'
|
||||
import { resolveFilter } from './resolve-filter'
|
||||
import { checkKeyCodes } from './check-keycodes'
|
||||
import { bindObjectProps } from './bind-object-props'
|
||||
import { renderStatic, markOnce } from './render-static'
|
||||
import { bindObjectListeners } from './bind-object-listeners'
|
||||
import { resolveScopedSlots } from './resolve-slots'
|
||||
|
||||
export function installRenderHelpers (target: any) {
|
||||
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
|
||||
}
|
||||
+39
@@ -0,0 +1,39 @@
|
||||
/* @flow */
|
||||
|
||||
import { isObject, isDef } from 'core/util/index'
|
||||
|
||||
/**
|
||||
* Runtime helper for rendering v-for lists.
|
||||
*/
|
||||
export function renderList (
|
||||
val: any,
|
||||
render: (
|
||||
val: any,
|
||||
keyOrIndex: string | number,
|
||||
index?: number
|
||||
) => VNode
|
||||
): ?Array<VNode> {
|
||||
let ret: ?Array<VNode>, 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: any)._isVList = true
|
||||
}
|
||||
return ret
|
||||
}
|
||||
+50
@@ -0,0 +1,50 @@
|
||||
/* @flow */
|
||||
|
||||
import { extend, warn, isObject } from 'core/util/index'
|
||||
|
||||
/**
|
||||
* Runtime helper for rendering <slot>
|
||||
*/
|
||||
export function renderSlot (
|
||||
name: string,
|
||||
fallback: ?Array<VNode>,
|
||||
props: ?Object,
|
||||
bindObject: ?Object
|
||||
): ?Array<VNode> {
|
||||
const scopedSlotFn = this.$scopedSlots[name]
|
||||
let 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 {
|
||||
const slotNodes = this.$slots[name]
|
||||
// warn duplicate slot usage
|
||||
if (slotNodes) {
|
||||
if (process.env.NODE_ENV !== 'production' && slotNodes._rendered) {
|
||||
warn(
|
||||
`Duplicate presence of slot "${name}" found in the same render tree ` +
|
||||
`- this will likely cause render errors.`,
|
||||
this
|
||||
)
|
||||
}
|
||||
slotNodes._rendered = true
|
||||
}
|
||||
nodes = slotNodes || fallback
|
||||
}
|
||||
|
||||
const target = props && props.slot
|
||||
if (target) {
|
||||
return this.$createElement('template', { slot: target }, nodes)
|
||||
} else {
|
||||
return nodes
|
||||
}
|
||||
}
|
||||
+60
@@ -0,0 +1,60 @@
|
||||
/* @flow */
|
||||
|
||||
/**
|
||||
* Runtime helper for rendering static trees.
|
||||
*/
|
||||
export function renderStatic (
|
||||
index: number,
|
||||
isInFor: boolean
|
||||
): VNode | Array<VNode> {
|
||||
const cached = this._staticTrees || (this._staticTrees = [])
|
||||
let tree = cached[index]
|
||||
// if has already-rendered static tree and not inside v-for,
|
||||
// we can reuse the same tree.
|
||||
if (tree && !isInFor) {
|
||||
return tree
|
||||
}
|
||||
// otherwise, render a fresh tree.
|
||||
tree = cached[index] = this.$options.staticRenderFns[index].call(
|
||||
this._renderProxy,
|
||||
null,
|
||||
this // for render fns generated for functional component templates
|
||||
)
|
||||
markStatic(tree, `__static__${index}`, false)
|
||||
return tree
|
||||
}
|
||||
|
||||
/**
|
||||
* Runtime helper for v-once.
|
||||
* Effectively it means marking the node as static with a unique key.
|
||||
*/
|
||||
export function markOnce (
|
||||
tree: VNode | Array<VNode>,
|
||||
index: number,
|
||||
key: string
|
||||
) {
|
||||
markStatic(tree, `__once__${index}${key ? `_${key}` : ``}`, true)
|
||||
return tree
|
||||
}
|
||||
|
||||
function markStatic (
|
||||
tree: VNode | Array<VNode>,
|
||||
key: string,
|
||||
isOnce: boolean
|
||||
) {
|
||||
if (Array.isArray(tree)) {
|
||||
for (let 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
|
||||
}
|
||||
+10
@@ -0,0 +1,10 @@
|
||||
/* @flow */
|
||||
|
||||
import { identity, resolveAsset } from 'core/util/index'
|
||||
|
||||
/**
|
||||
* Runtime helper for resolving filters
|
||||
*/
|
||||
export function resolveFilter (id: string): Function {
|
||||
return resolveAsset(this.$options, 'filters', id, true) || identity
|
||||
}
|
||||
+65
@@ -0,0 +1,65 @@
|
||||
/* @flow */
|
||||
|
||||
import type VNode from 'core/vdom/vnode'
|
||||
|
||||
/**
|
||||
* Runtime helper for resolving raw children VNodes into a slot object.
|
||||
*/
|
||||
export function resolveSlots (
|
||||
children: ?Array<VNode>,
|
||||
context: ?Component
|
||||
): { [key: string]: Array<VNode> } {
|
||||
const slots = {}
|
||||
if (!children) {
|
||||
return slots
|
||||
}
|
||||
for (let i = 0, l = children.length; i < l; i++) {
|
||||
const child = children[i]
|
||||
const 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
|
||||
) {
|
||||
const name = data.slot
|
||||
const 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 (const name in slots) {
|
||||
if (slots[name].every(isWhitespace)) {
|
||||
delete slots[name]
|
||||
}
|
||||
}
|
||||
return slots
|
||||
}
|
||||
|
||||
function isWhitespace (node: VNode): boolean {
|
||||
return (node.isComment && !node.asyncFactory) || node.text === ' '
|
||||
}
|
||||
|
||||
export function resolveScopedSlots (
|
||||
fns: ScopedSlotsData, // see flow/vnode
|
||||
res?: Object
|
||||
): { [key: string]: Function } {
|
||||
res = res || {}
|
||||
for (let 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
|
||||
}
|
||||
+119
@@ -0,0 +1,119 @@
|
||||
/* @flow */
|
||||
|
||||
import {
|
||||
warn,
|
||||
nextTick,
|
||||
emptyObject,
|
||||
handleError,
|
||||
defineReactive
|
||||
} from '../util/index'
|
||||
|
||||
import { createElement } from '../vdom/create-element'
|
||||
import { installRenderHelpers } from './render-helpers/index'
|
||||
import { resolveSlots } from './render-helpers/resolve-slots'
|
||||
import VNode, { createEmptyVNode } from '../vdom/vnode'
|
||||
|
||||
import { isUpdatingChildComponent } from './lifecycle'
|
||||
|
||||
export function initRender (vm: Component) {
|
||||
vm._vnode = null // the root of the child tree
|
||||
vm._staticTrees = null // v-once cached trees
|
||||
const options = vm.$options
|
||||
const parentVnode = vm.$vnode = options._parentVnode // the placeholder node in parent tree
|
||||
const renderContext = parentVnode && parentVnode.context
|
||||
vm.$slots = resolveSlots(options._renderChildren, renderContext)
|
||||
vm.$scopedSlots = emptyObject
|
||||
// bind the createElement fn to this instance
|
||||
// so that we get proper render context inside it.
|
||||
// args order: tag, data, children, normalizationType, alwaysNormalize
|
||||
// internal version is used by render functions compiled from templates
|
||||
vm._c = (a, b, c, d) => createElement(vm, a, b, c, d, false)
|
||||
// normalization is always applied for the public version, used in
|
||||
// user-written render functions.
|
||||
vm.$createElement = (a, b, c, d) => createElement(vm, a, b, c, d, true)
|
||||
|
||||
// $attrs & $listeners are exposed for easier HOC creation.
|
||||
// they need to be reactive so that HOCs using them are always updated
|
||||
const parentData = parentVnode && parentVnode.data
|
||||
|
||||
/* istanbul ignore else */
|
||||
if (process.env.NODE_ENV !== 'production') {
|
||||
defineReactive(vm, '$attrs', parentData && parentData.attrs || emptyObject, () => {
|
||||
!isUpdatingChildComponent && warn(`$attrs is readonly.`, vm)
|
||||
}, true)
|
||||
defineReactive(vm, '$listeners', options._parentListeners || emptyObject, () => {
|
||||
!isUpdatingChildComponent && warn(`$listeners is readonly.`, vm)
|
||||
}, true)
|
||||
} else {
|
||||
defineReactive(vm, '$attrs', parentData && parentData.attrs || emptyObject, null, true)
|
||||
defineReactive(vm, '$listeners', options._parentListeners || emptyObject, null, true)
|
||||
}
|
||||
}
|
||||
|
||||
export function renderMixin (Vue: Class<Component>) {
|
||||
// install runtime convenience helpers
|
||||
installRenderHelpers(Vue.prototype)
|
||||
|
||||
Vue.prototype.$nextTick = function (fn: Function) {
|
||||
return nextTick(fn, this)
|
||||
}
|
||||
|
||||
Vue.prototype._render = function (): VNode {
|
||||
const vm: Component = this
|
||||
const { render, _parentVnode } = vm.$options
|
||||
|
||||
// reset _rendered flag on slots for duplicate slot check
|
||||
if (process.env.NODE_ENV !== 'production') {
|
||||
for (const key in vm.$slots) {
|
||||
// $flow-disable-line
|
||||
vm.$slots[key]._rendered = false
|
||||
}
|
||||
}
|
||||
|
||||
if (_parentVnode) {
|
||||
vm.$scopedSlots = _parentVnode.data.scopedSlots || emptyObject
|
||||
}
|
||||
|
||||
// set parent vnode. this allows render functions to have access
|
||||
// to the data on the placeholder node.
|
||||
vm.$vnode = _parentVnode
|
||||
// render self
|
||||
let vnode
|
||||
try {
|
||||
vnode = render.call(vm._renderProxy, vm.$createElement)
|
||||
} catch (e) {
|
||||
handleError(e, vm, `render`)
|
||||
// return error render result,
|
||||
// or previous vnode to prevent render error causing blank component
|
||||
/* istanbul ignore else */
|
||||
if (process.env.NODE_ENV !== 'production') {
|
||||
if (vm.$options.renderError) {
|
||||
try {
|
||||
vnode = vm.$options.renderError.call(vm._renderProxy, vm.$createElement, e)
|
||||
} catch (e) {
|
||||
handleError(e, vm, `renderError`)
|
||||
vnode = vm._vnode
|
||||
}
|
||||
} else {
|
||||
vnode = vm._vnode
|
||||
}
|
||||
} else {
|
||||
vnode = vm._vnode
|
||||
}
|
||||
}
|
||||
// return empty vnode in case the render function errored out
|
||||
if (!(vnode instanceof VNode)) {
|
||||
if (process.env.NODE_ENV !== 'production' && Array.isArray(vnode)) {
|
||||
warn(
|
||||
'Multiple root nodes returned from render function. Render function ' +
|
||||
'should return a single root node.',
|
||||
vm
|
||||
)
|
||||
}
|
||||
vnode = createEmptyVNode()
|
||||
}
|
||||
// set parent
|
||||
vnode.parent = _parentVnode
|
||||
return vnode
|
||||
}
|
||||
}
|
||||
+360
@@ -0,0 +1,360 @@
|
||||
/* @flow */
|
||||
|
||||
import config from '../config'
|
||||
import Watcher from '../observer/watcher'
|
||||
import Dep, { pushTarget, popTarget } from '../observer/dep'
|
||||
import { isUpdatingChildComponent } from './lifecycle'
|
||||
|
||||
import {
|
||||
set,
|
||||
del,
|
||||
observe,
|
||||
defineReactive,
|
||||
toggleObserving
|
||||
} from '../observer/index'
|
||||
|
||||
import {
|
||||
warn,
|
||||
bind,
|
||||
noop,
|
||||
hasOwn,
|
||||
hyphenate,
|
||||
isReserved,
|
||||
handleError,
|
||||
nativeWatch,
|
||||
validateProp,
|
||||
isPlainObject,
|
||||
isServerRendering,
|
||||
isReservedAttribute
|
||||
} from '../util/index'
|
||||
|
||||
const sharedPropertyDefinition = {
|
||||
enumerable: true,
|
||||
configurable: true,
|
||||
get: noop,
|
||||
set: noop
|
||||
}
|
||||
|
||||
export function proxy (target: Object, sourceKey: string, key: string) {
|
||||
sharedPropertyDefinition.get = function proxyGetter () {
|
||||
return this[sourceKey][key]
|
||||
}
|
||||
sharedPropertyDefinition.set = function proxySetter (val) {
|
||||
this[sourceKey][key] = val
|
||||
}
|
||||
Object.defineProperty(target, key, sharedPropertyDefinition)
|
||||
}
|
||||
|
||||
export function initState (vm: Component) {
|
||||
vm._watchers = []
|
||||
const opts = vm.$options
|
||||
if (opts.props) initProps(vm, opts.props)
|
||||
if (opts.methods) initMethods(vm, opts.methods)
|
||||
if (opts.data) {
|
||||
initData(vm)
|
||||
} else {
|
||||
observe(vm._data = {}, true /* asRootData */)
|
||||
}
|
||||
if (opts.computed) initComputed(vm, opts.computed)
|
||||
if (opts.watch && opts.watch !== nativeWatch) {
|
||||
initWatch(vm, opts.watch)
|
||||
}
|
||||
}
|
||||
|
||||
function initProps (vm: Component, propsOptions: Object) {
|
||||
const propsData = vm.$options.propsData || {}
|
||||
const props = vm._props = {}
|
||||
// cache prop keys so that future props updates can iterate using Array
|
||||
// instead of dynamic object key enumeration.
|
||||
const keys = vm.$options._propKeys = []
|
||||
const isRoot = !vm.$parent
|
||||
// root instance props should be converted
|
||||
if (!isRoot) {
|
||||
toggleObserving(false)
|
||||
}
|
||||
for (const key in propsOptions) {
|
||||
keys.push(key)
|
||||
const value = validateProp(key, propsOptions, propsData, vm)
|
||||
/* istanbul ignore else */
|
||||
if (process.env.NODE_ENV !== 'production') {
|
||||
const hyphenatedKey = hyphenate(key)
|
||||
if (isReservedAttribute(hyphenatedKey) ||
|
||||
config.isReservedAttr(hyphenatedKey)) {
|
||||
warn(
|
||||
`"${hyphenatedKey}" is a reserved attribute and cannot be used as component prop.`,
|
||||
vm
|
||||
)
|
||||
}
|
||||
defineReactive(props, key, value, () => {
|
||||
if (vm.$parent && !isUpdatingChildComponent) {
|
||||
warn(
|
||||
`Avoid mutating a prop directly since the value will be ` +
|
||||
`overwritten whenever the parent component re-renders. ` +
|
||||
`Instead, use a data or computed property based on the prop's ` +
|
||||
`value. Prop being mutated: "${key}"`,
|
||||
vm
|
||||
)
|
||||
}
|
||||
})
|
||||
} else {
|
||||
defineReactive(props, key, value)
|
||||
}
|
||||
// static props are already proxied on the component's prototype
|
||||
// during Vue.extend(). We only need to proxy props defined at
|
||||
// instantiation here.
|
||||
if (!(key in vm)) {
|
||||
proxy(vm, `_props`, key)
|
||||
}
|
||||
}
|
||||
toggleObserving(true)
|
||||
}
|
||||
|
||||
function initData (vm: Component) {
|
||||
let data = vm.$options.data
|
||||
data = vm._data = typeof data === 'function'
|
||||
? getData(data, vm)
|
||||
: data || {}
|
||||
if (!isPlainObject(data)) {
|
||||
data = {}
|
||||
process.env.NODE_ENV !== 'production' && warn(
|
||||
'data functions should return an object:\n' +
|
||||
'https://vuejs.org/v2/guide/components.html#data-Must-Be-a-Function',
|
||||
vm
|
||||
)
|
||||
}
|
||||
// proxy data on instance
|
||||
const keys = Object.keys(data)
|
||||
const props = vm.$options.props
|
||||
const methods = vm.$options.methods
|
||||
let i = keys.length
|
||||
while (i--) {
|
||||
const key = keys[i]
|
||||
if (process.env.NODE_ENV !== 'production') {
|
||||
if (methods && hasOwn(methods, key)) {
|
||||
warn(
|
||||
`Method "${key}" has already been defined as a data property.`,
|
||||
vm
|
||||
)
|
||||
}
|
||||
}
|
||||
if (props && hasOwn(props, key)) {
|
||||
process.env.NODE_ENV !== 'production' && warn(
|
||||
`The data property "${key}" is already declared as a prop. ` +
|
||||
`Use prop default value instead.`,
|
||||
vm
|
||||
)
|
||||
} else if (!isReserved(key)) {
|
||||
proxy(vm, `_data`, key)
|
||||
}
|
||||
}
|
||||
// observe data
|
||||
observe(data, true /* asRootData */)
|
||||
}
|
||||
|
||||
export function getData (data: Function, vm: Component): any {
|
||||
// #7573 disable dep collection when invoking data getters
|
||||
pushTarget()
|
||||
try {
|
||||
return data.call(vm, vm)
|
||||
} catch (e) {
|
||||
handleError(e, vm, `data()`)
|
||||
return {}
|
||||
} finally {
|
||||
popTarget()
|
||||
}
|
||||
}
|
||||
|
||||
const computedWatcherOptions = { lazy: true }
|
||||
|
||||
function initComputed (vm: Component, computed: Object) {
|
||||
// $flow-disable-line
|
||||
const watchers = vm._computedWatchers = Object.create(null)
|
||||
// computed properties are just getters during SSR
|
||||
const isSSR = isServerRendering()
|
||||
|
||||
for (const key in computed) {
|
||||
const userDef = computed[key]
|
||||
const getter = typeof userDef === 'function' ? userDef : userDef.get
|
||||
if (process.env.NODE_ENV !== 'production' && getter == null) {
|
||||
warn(
|
||||
`Getter is missing for computed property "${key}".`,
|
||||
vm
|
||||
)
|
||||
}
|
||||
|
||||
if (!isSSR) {
|
||||
// create internal watcher for the computed property.
|
||||
watchers[key] = new Watcher(
|
||||
vm,
|
||||
getter || noop,
|
||||
noop,
|
||||
computedWatcherOptions
|
||||
)
|
||||
}
|
||||
|
||||
// component-defined computed properties are already defined on the
|
||||
// component prototype. We only need to define computed properties defined
|
||||
// at instantiation here.
|
||||
if (!(key in vm)) {
|
||||
defineComputed(vm, key, userDef)
|
||||
} else if (process.env.NODE_ENV !== 'production') {
|
||||
if (key in vm.$data) {
|
||||
warn(`The computed property "${key}" is already defined in data.`, vm)
|
||||
} else if (vm.$options.props && key in vm.$options.props) {
|
||||
warn(`The computed property "${key}" is already defined as a prop.`, vm)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
export function defineComputed (
|
||||
target: any,
|
||||
key: string,
|
||||
userDef: Object | Function
|
||||
) {
|
||||
const shouldCache = !isServerRendering()
|
||||
if (typeof userDef === 'function') {
|
||||
sharedPropertyDefinition.get = shouldCache
|
||||
? createComputedGetter(key)
|
||||
: userDef
|
||||
sharedPropertyDefinition.set = noop
|
||||
} else {
|
||||
sharedPropertyDefinition.get = userDef.get
|
||||
? shouldCache && userDef.cache !== false
|
||||
? createComputedGetter(key)
|
||||
: userDef.get
|
||||
: noop
|
||||
sharedPropertyDefinition.set = userDef.set
|
||||
? userDef.set
|
||||
: noop
|
||||
}
|
||||
if (process.env.NODE_ENV !== 'production' &&
|
||||
sharedPropertyDefinition.set === noop) {
|
||||
sharedPropertyDefinition.set = function () {
|
||||
warn(
|
||||
`Computed property "${key}" was assigned to but it has no setter.`,
|
||||
this
|
||||
)
|
||||
}
|
||||
}
|
||||
Object.defineProperty(target, key, sharedPropertyDefinition)
|
||||
}
|
||||
|
||||
function createComputedGetter (key) {
|
||||
return function computedGetter () {
|
||||
const watcher = this._computedWatchers && this._computedWatchers[key]
|
||||
if (watcher) {
|
||||
if (watcher.dirty) {
|
||||
watcher.evaluate()
|
||||
}
|
||||
if (Dep.target) {
|
||||
watcher.depend()
|
||||
}
|
||||
return watcher.value
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function initMethods (vm: Component, methods: Object) {
|
||||
const props = vm.$options.props
|
||||
for (const key in methods) {
|
||||
if (process.env.NODE_ENV !== 'production') {
|
||||
if (methods[key] == null) {
|
||||
warn(
|
||||
`Method "${key}" has an undefined value in the component definition. ` +
|
||||
`Did you reference the function correctly?`,
|
||||
vm
|
||||
)
|
||||
}
|
||||
if (props && hasOwn(props, key)) {
|
||||
warn(
|
||||
`Method "${key}" has already been defined as a prop.`,
|
||||
vm
|
||||
)
|
||||
}
|
||||
if ((key in vm) && isReserved(key)) {
|
||||
warn(
|
||||
`Method "${key}" conflicts with an existing Vue instance method. ` +
|
||||
`Avoid defining component methods that start with _ or $.`
|
||||
)
|
||||
}
|
||||
}
|
||||
vm[key] = methods[key] == null ? noop : bind(methods[key], vm)
|
||||
}
|
||||
}
|
||||
|
||||
function initWatch (vm: Component, watch: Object) {
|
||||
for (const key in watch) {
|
||||
const handler = watch[key]
|
||||
if (Array.isArray(handler)) {
|
||||
for (let i = 0; i < handler.length; i++) {
|
||||
createWatcher(vm, key, handler[i])
|
||||
}
|
||||
} else {
|
||||
createWatcher(vm, key, handler)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function createWatcher (
|
||||
vm: Component,
|
||||
expOrFn: string | Function,
|
||||
handler: any,
|
||||
options?: Object
|
||||
) {
|
||||
if (isPlainObject(handler)) {
|
||||
options = handler
|
||||
handler = handler.handler
|
||||
}
|
||||
if (typeof handler === 'string') {
|
||||
handler = vm[handler]
|
||||
}
|
||||
return vm.$watch(expOrFn, handler, options)
|
||||
}
|
||||
|
||||
export function stateMixin (Vue: Class<Component>) {
|
||||
// flow somehow has problems with directly declared definition object
|
||||
// when using Object.defineProperty, so we have to procedurally build up
|
||||
// the object here.
|
||||
const dataDef = {}
|
||||
dataDef.get = function () { return this._data }
|
||||
const propsDef = {}
|
||||
propsDef.get = function () { return this._props }
|
||||
if (process.env.NODE_ENV !== 'production') {
|
||||
dataDef.set = function (newData: Object) {
|
||||
warn(
|
||||
'Avoid replacing instance root $data. ' +
|
||||
'Use nested data properties instead.',
|
||||
this
|
||||
)
|
||||
}
|
||||
propsDef.set = function () {
|
||||
warn(`$props is readonly.`, this)
|
||||
}
|
||||
}
|
||||
Object.defineProperty(Vue.prototype, '$data', dataDef)
|
||||
Object.defineProperty(Vue.prototype, '$props', propsDef)
|
||||
|
||||
Vue.prototype.$set = set
|
||||
Vue.prototype.$delete = del
|
||||
|
||||
Vue.prototype.$watch = function (
|
||||
expOrFn: string | Function,
|
||||
cb: any,
|
||||
options?: Object
|
||||
): Function {
|
||||
const vm: Component = this
|
||||
if (isPlainObject(cb)) {
|
||||
return createWatcher(vm, expOrFn, cb, options)
|
||||
}
|
||||
options = options || {}
|
||||
options.user = true
|
||||
const watcher = new Watcher(vm, expOrFn, cb, options)
|
||||
if (options.immediate) {
|
||||
cb.call(vm, watcher.value)
|
||||
}
|
||||
return function unwatchFn () {
|
||||
watcher.teardown()
|
||||
}
|
||||
}
|
||||
}
|
||||
+45
@@ -0,0 +1,45 @@
|
||||
/*
|
||||
* not type checking this file because flow doesn't play well with
|
||||
* dynamically accessing methods on Array prototype
|
||||
*/
|
||||
|
||||
import { def } from '../util/index'
|
||||
|
||||
const arrayProto = Array.prototype
|
||||
export const arrayMethods = Object.create(arrayProto)
|
||||
|
||||
const methodsToPatch = [
|
||||
'push',
|
||||
'pop',
|
||||
'shift',
|
||||
'unshift',
|
||||
'splice',
|
||||
'sort',
|
||||
'reverse'
|
||||
]
|
||||
|
||||
/**
|
||||
* Intercept mutating methods and emit events
|
||||
*/
|
||||
methodsToPatch.forEach(function (method) {
|
||||
// cache original method
|
||||
const original = arrayProto[method]
|
||||
def(arrayMethods, method, function mutator (...args) {
|
||||
const result = original.apply(this, args)
|
||||
const ob = this.__ob__
|
||||
let 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
|
||||
})
|
||||
})
|
||||
+58
@@ -0,0 +1,58 @@
|
||||
/* @flow */
|
||||
|
||||
import type Watcher from './watcher'
|
||||
import { remove } from '../util/index'
|
||||
|
||||
let uid = 0
|
||||
|
||||
/**
|
||||
* A dep is an observable that can have multiple
|
||||
* directives subscribing to it.
|
||||
*/
|
||||
export default class Dep {
|
||||
static target: ?Watcher;
|
||||
id: number;
|
||||
subs: Array<Watcher>;
|
||||
|
||||
constructor () {
|
||||
this.id = uid++
|
||||
this.subs = []
|
||||
}
|
||||
|
||||
addSub (sub: Watcher) {
|
||||
this.subs.push(sub)
|
||||
}
|
||||
|
||||
removeSub (sub: Watcher) {
|
||||
remove(this.subs, sub)
|
||||
}
|
||||
|
||||
depend () {
|
||||
if (Dep.target) {
|
||||
Dep.target.addDep(this)
|
||||
}
|
||||
}
|
||||
|
||||
notify () {
|
||||
// stabilize the subscriber list first
|
||||
const subs = this.subs.slice()
|
||||
for (let 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
|
||||
const targetStack = []
|
||||
|
||||
export function pushTarget (_target: ?Watcher) {
|
||||
if (Dep.target) targetStack.push(Dep.target)
|
||||
Dep.target = _target
|
||||
}
|
||||
|
||||
export function popTarget () {
|
||||
Dep.target = targetStack.pop()
|
||||
}
|
||||
+273
@@ -0,0 +1,273 @@
|
||||
/* @flow */
|
||||
|
||||
import Dep from './dep'
|
||||
import VNode from '../vdom/vnode'
|
||||
import { arrayMethods } from './array'
|
||||
import {
|
||||
def,
|
||||
warn,
|
||||
hasOwn,
|
||||
hasProto,
|
||||
isObject,
|
||||
isPlainObject,
|
||||
isPrimitive,
|
||||
isUndef,
|
||||
isValidArrayIndex,
|
||||
isServerRendering
|
||||
} from '../util/index'
|
||||
|
||||
const arrayKeys = Object.getOwnPropertyNames(arrayMethods)
|
||||
|
||||
/**
|
||||
* In some cases we may want to disable observation inside a component's
|
||||
* update computation.
|
||||
*/
|
||||
export let shouldObserve: boolean = true
|
||||
|
||||
export function toggleObserving (value: boolean) {
|
||||
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.
|
||||
*/
|
||||
export class Observer {
|
||||
value: any;
|
||||
dep: Dep;
|
||||
vmCount: number; // number of vms that has this object as root $data
|
||||
|
||||
constructor (value: any) {
|
||||
this.value = value
|
||||
this.dep = new Dep()
|
||||
this.vmCount = 0
|
||||
def(value, '__ob__', this)
|
||||
if (Array.isArray(value)) {
|
||||
const augment = hasProto
|
||||
? protoAugment
|
||||
: copyAugment
|
||||
augment(value, arrayMethods, arrayKeys)
|
||||
this.observeArray(value)
|
||||
} else {
|
||||
this.walk(value)
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Walk through each property and convert them into
|
||||
* getter/setters. This method should only be called when
|
||||
* value type is Object.
|
||||
*/
|
||||
walk (obj: Object) {
|
||||
const keys = Object.keys(obj)
|
||||
for (let i = 0; i < keys.length; i++) {
|
||||
defineReactive(obj, keys[i])
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Observe a list of Array items.
|
||||
*/
|
||||
observeArray (items: Array<any>) {
|
||||
for (let i = 0, l = items.length; i < l; i++) {
|
||||
observe(items[i])
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// helpers
|
||||
|
||||
/**
|
||||
* Augment an target Object or Array by intercepting
|
||||
* the prototype chain using __proto__
|
||||
*/
|
||||
function protoAugment (target, src: Object, keys: any) {
|
||||
/* eslint-disable no-proto */
|
||||
target.__proto__ = src
|
||||
/* eslint-enable no-proto */
|
||||
}
|
||||
|
||||
/**
|
||||
* Augment an target Object or Array by defining
|
||||
* hidden properties.
|
||||
*/
|
||||
/* istanbul ignore next */
|
||||
function copyAugment (target: Object, src: Object, keys: Array<string>) {
|
||||
for (let i = 0, l = keys.length; i < l; i++) {
|
||||
const 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.
|
||||
*/
|
||||
export function observe (value: any, asRootData: ?boolean): Observer | void {
|
||||
if (!isObject(value) || value instanceof VNode) {
|
||||
return
|
||||
}
|
||||
let ob: Observer | void
|
||||
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.
|
||||
*/
|
||||
export function defineReactive (
|
||||
obj: Object,
|
||||
key: string,
|
||||
val: any,
|
||||
customSetter?: ?Function,
|
||||
shallow?: boolean
|
||||
) {
|
||||
const dep = new Dep()
|
||||
|
||||
const property = Object.getOwnPropertyDescriptor(obj, key)
|
||||
if (property && property.configurable === false) {
|
||||
return
|
||||
}
|
||||
|
||||
// cater for pre-defined getter/setters
|
||||
const getter = property && property.get
|
||||
if (!getter && arguments.length === 2) {
|
||||
val = obj[key]
|
||||
}
|
||||
const setter = property && property.set
|
||||
|
||||
let childOb = !shallow && observe(val)
|
||||
Object.defineProperty(obj, key, {
|
||||
enumerable: true,
|
||||
configurable: true,
|
||||
get: function reactiveGetter () {
|
||||
const 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) {
|
||||
const value = getter ? getter.call(obj) : val
|
||||
/* eslint-disable no-self-compare */
|
||||
if (newVal === value || (newVal !== newVal && value !== value)) {
|
||||
return
|
||||
}
|
||||
/* eslint-enable no-self-compare */
|
||||
if (process.env.NODE_ENV !== 'production' && customSetter) {
|
||||
customSetter()
|
||||
}
|
||||
if (setter) {
|
||||
setter.call(obj, newVal)
|
||||
} else {
|
||||
val = newVal
|
||||
}
|
||||
childOb = !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.
|
||||
*/
|
||||
export function set (target: Array<any> | Object, key: any, val: any): any {
|
||||
if (process.env.NODE_ENV !== 'production' &&
|
||||
(isUndef(target) || isPrimitive(target))
|
||||
) {
|
||||
warn(`Cannot set reactive property on undefined, null, or primitive value: ${(target: any)}`)
|
||||
}
|
||||
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
|
||||
}
|
||||
const ob = (target: any).__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(ob.value, key, val)
|
||||
ob.dep.notify()
|
||||
return val
|
||||
}
|
||||
|
||||
/**
|
||||
* Delete a property and trigger change if necessary.
|
||||
*/
|
||||
export function del (target: Array<any> | Object, key: any) {
|
||||
if (process.env.NODE_ENV !== 'production' &&
|
||||
(isUndef(target) || isPrimitive(target))
|
||||
) {
|
||||
warn(`Cannot delete reactive property on undefined, null, or primitive value: ${(target: any)}`)
|
||||
}
|
||||
if (Array.isArray(target) && isValidArrayIndex(key)) {
|
||||
target.splice(key, 1)
|
||||
return
|
||||
}
|
||||
const ob = (target: any).__ob__
|
||||
if (target._isVue || (ob && ob.vmCount)) {
|
||||
process.env.NODE_ENV !== 'production' && warn(
|
||||
'Avoid deleting properties on a Vue instance or its root $data ' +
|
||||
'- just set it to null.'
|
||||
)
|
||||
return
|
||||
}
|
||||
if (!hasOwn(target, key)) {
|
||||
return
|
||||
}
|
||||
delete target[key]
|
||||
if (!ob) {
|
||||
return
|
||||
}
|
||||
ob.dep.notify()
|
||||
}
|
||||
|
||||
/**
|
||||
* Collect dependencies on array elements when the array is touched, since
|
||||
* we cannot intercept array element access like property getters.
|
||||
*/
|
||||
function dependArray (value: Array<any>) {
|
||||
for (let e, i = 0, l = value.length; i < l; i++) {
|
||||
e = value[i]
|
||||
e && e.__ob__ && e.__ob__.dep.depend()
|
||||
if (Array.isArray(e)) {
|
||||
dependArray(e)
|
||||
}
|
||||
}
|
||||
}
|
||||
+148
@@ -0,0 +1,148 @@
|
||||
/* @flow */
|
||||
|
||||
import type Watcher from './watcher'
|
||||
import config from '../config'
|
||||
import { callHook, activateChildComponent } from '../instance/lifecycle'
|
||||
|
||||
import {
|
||||
warn,
|
||||
nextTick,
|
||||
devtools
|
||||
} from '../util/index'
|
||||
|
||||
export const MAX_UPDATE_COUNT = 100
|
||||
|
||||
const queue: Array<Watcher> = []
|
||||
const activatedChildren: Array<Component> = []
|
||||
let has: { [key: number]: ?true } = {}
|
||||
let circular: { [key: number]: number } = {}
|
||||
let waiting = false
|
||||
let flushing = false
|
||||
let index = 0
|
||||
|
||||
/**
|
||||
* Reset the scheduler's state.
|
||||
*/
|
||||
function resetSchedulerState () {
|
||||
index = queue.length = activatedChildren.length = 0
|
||||
has = {}
|
||||
if (process.env.NODE_ENV !== 'production') {
|
||||
circular = {}
|
||||
}
|
||||
waiting = flushing = false
|
||||
}
|
||||
|
||||
/**
|
||||
* Flush both queues and run the watchers.
|
||||
*/
|
||||
function flushSchedulerQueue () {
|
||||
flushing = true
|
||||
let watcher, id
|
||||
|
||||
// Sort queue before flush.
|
||||
// This ensures that:
|
||||
// 1. Components are updated from parent to child. (because parent is always
|
||||
// created before the child)
|
||||
// 2. A component's user watchers are run before its render watcher (because
|
||||
// user watchers are created before the render watcher)
|
||||
// 3. If a component is destroyed during a parent component's watcher run,
|
||||
// its watchers can be skipped.
|
||||
queue.sort((a, b) => a.id - b.id)
|
||||
|
||||
// do not cache length because more watchers might be pushed
|
||||
// as we run existing watchers
|
||||
for (index = 0; index < queue.length; index++) {
|
||||
watcher = queue[index]
|
||||
id = watcher.id
|
||||
has[id] = null
|
||||
watcher.run()
|
||||
// in dev build, check and stop circular updates.
|
||||
if (process.env.NODE_ENV !== 'production' && has[id] != null) {
|
||||
circular[id] = (circular[id] || 0) + 1
|
||||
if (circular[id] > MAX_UPDATE_COUNT) {
|
||||
warn(
|
||||
'You may have an infinite update loop ' + (
|
||||
watcher.user
|
||||
? `in watcher with expression "${watcher.expression}"`
|
||||
: `in a component render function.`
|
||||
),
|
||||
watcher.vm
|
||||
)
|
||||
break
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// keep copies of post queues before resetting state
|
||||
const activatedQueue = activatedChildren.slice()
|
||||
const updatedQueue = queue.slice()
|
||||
|
||||
resetSchedulerState()
|
||||
|
||||
// call component updated and activated hooks
|
||||
callActivatedHooks(activatedQueue)
|
||||
callUpdatedHooks(updatedQueue)
|
||||
|
||||
// devtool hook
|
||||
/* istanbul ignore if */
|
||||
if (devtools && config.devtools) {
|
||||
devtools.emit('flush')
|
||||
}
|
||||
}
|
||||
|
||||
function callUpdatedHooks (queue) {
|
||||
let i = queue.length
|
||||
while (i--) {
|
||||
const watcher = queue[i]
|
||||
const vm = watcher.vm
|
||||
if (vm._watcher === watcher && vm._isMounted) {
|
||||
callHook(vm, 'updated')
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Queue a kept-alive component that was activated during patch.
|
||||
* The queue will be processed after the entire tree has been patched.
|
||||
*/
|
||||
export function queueActivatedComponent (vm: Component) {
|
||||
// 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
|
||||
activatedChildren.push(vm)
|
||||
}
|
||||
|
||||
function callActivatedHooks (queue) {
|
||||
for (let i = 0; i < queue.length; i++) {
|
||||
queue[i]._inactive = true
|
||||
activateChildComponent(queue[i], true /* true */)
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Push a watcher into the watcher queue.
|
||||
* Jobs with duplicate IDs will be skipped unless it's
|
||||
* pushed when the queue is being flushed.
|
||||
*/
|
||||
export function queueWatcher (watcher: Watcher) {
|
||||
const id = watcher.id
|
||||
if (has[id] == null) {
|
||||
has[id] = true
|
||||
if (!flushing) {
|
||||
queue.push(watcher)
|
||||
} else {
|
||||
// if already flushing, splice the watcher based on its id
|
||||
// if already past its id, it will be run next immediately.
|
||||
let i = queue.length - 1
|
||||
while (i > index && queue[i].id > watcher.id) {
|
||||
i--
|
||||
}
|
||||
queue.splice(i + 1, 0, watcher)
|
||||
}
|
||||
// queue the flush
|
||||
if (!waiting) {
|
||||
waiting = true
|
||||
nextTick(flushSchedulerQueue)
|
||||
}
|
||||
}
|
||||
}
|
||||
+40
@@ -0,0 +1,40 @@
|
||||
/* @flow */
|
||||
|
||||
import { _Set as Set, isObject } from '../util/index'
|
||||
import type { SimpleSet } from '../util/index'
|
||||
import VNode from '../vdom/vnode'
|
||||
|
||||
const 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.
|
||||
*/
|
||||
export function traverse (val: any) {
|
||||
_traverse(val, seenObjects)
|
||||
seenObjects.clear()
|
||||
}
|
||||
|
||||
function _traverse (val: any, seen: SimpleSet) {
|
||||
let i, keys
|
||||
const isA = Array.isArray(val)
|
||||
if ((!isA && !isObject(val)) || Object.isFrozen(val) || val instanceof VNode) {
|
||||
return
|
||||
}
|
||||
if (val.__ob__) {
|
||||
const 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)
|
||||
}
|
||||
}
|
||||
+240
@@ -0,0 +1,240 @@
|
||||
/* @flow */
|
||||
|
||||
import {
|
||||
warn,
|
||||
remove,
|
||||
isObject,
|
||||
parsePath,
|
||||
_Set as Set,
|
||||
handleError
|
||||
} from '../util/index'
|
||||
|
||||
import { traverse } from './traverse'
|
||||
import { queueWatcher } from './scheduler'
|
||||
import Dep, { pushTarget, popTarget } from './dep'
|
||||
|
||||
import type { SimpleSet } from '../util/index'
|
||||
|
||||
let uid = 0
|
||||
|
||||
/**
|
||||
* A watcher parses an expression, collects dependencies,
|
||||
* and fires callback when the expression value changes.
|
||||
* This is used for both the $watch() api and directives.
|
||||
*/
|
||||
export default class Watcher {
|
||||
vm: Component;
|
||||
expression: string;
|
||||
cb: Function;
|
||||
id: number;
|
||||
deep: boolean;
|
||||
user: boolean;
|
||||
lazy: boolean;
|
||||
sync: boolean;
|
||||
dirty: boolean;
|
||||
active: boolean;
|
||||
deps: Array<Dep>;
|
||||
newDeps: Array<Dep>;
|
||||
depIds: SimpleSet;
|
||||
newDepIds: SimpleSet;
|
||||
getter: Function;
|
||||
value: any;
|
||||
|
||||
constructor (
|
||||
vm: Component,
|
||||
expOrFn: string | Function,
|
||||
cb: Function,
|
||||
options?: ?Object,
|
||||
isRenderWatcher?: boolean
|
||||
) {
|
||||
this.vm = vm
|
||||
if (isRenderWatcher) {
|
||||
vm._watcher = this
|
||||
}
|
||||
vm._watchers.push(this)
|
||||
// options
|
||||
if (options) {
|
||||
this.deep = !!options.deep
|
||||
this.user = !!options.user
|
||||
this.lazy = !!options.lazy
|
||||
this.sync = !!options.sync
|
||||
} else {
|
||||
this.deep = this.user = this.lazy = this.sync = false
|
||||
}
|
||||
this.cb = cb
|
||||
this.id = ++uid // uid for batching
|
||||
this.active = true
|
||||
this.dirty = this.lazy // for lazy watchers
|
||||
this.deps = []
|
||||
this.newDeps = []
|
||||
this.depIds = new Set()
|
||||
this.newDepIds = new Set()
|
||||
this.expression = process.env.NODE_ENV !== 'production'
|
||||
? expOrFn.toString()
|
||||
: ''
|
||||
// parse expression for getter
|
||||
if (typeof expOrFn === 'function') {
|
||||
this.getter = expOrFn
|
||||
} else {
|
||||
this.getter = parsePath(expOrFn)
|
||||
if (!this.getter) {
|
||||
this.getter = function () {}
|
||||
process.env.NODE_ENV !== 'production' && warn(
|
||||
`Failed watching path: "${expOrFn}" ` +
|
||||
'Watcher only accepts simple dot-delimited paths. ' +
|
||||
'For full control, use a function instead.',
|
||||
vm
|
||||
)
|
||||
}
|
||||
}
|
||||
this.value = this.lazy
|
||||
? undefined
|
||||
: this.get()
|
||||
}
|
||||
|
||||
/**
|
||||
* Evaluate the getter, and re-collect dependencies.
|
||||
*/
|
||||
get () {
|
||||
pushTarget(this)
|
||||
let value
|
||||
const vm = this.vm
|
||||
try {
|
||||
value = this.getter.call(vm, vm)
|
||||
} catch (e) {
|
||||
if (this.user) {
|
||||
handleError(e, vm, `getter for watcher "${this.expression}"`)
|
||||
} else {
|
||||
throw e
|
||||
}
|
||||
} finally {
|
||||
// "touch" every property so they are all tracked as
|
||||
// dependencies for deep watching
|
||||
if (this.deep) {
|
||||
traverse(value)
|
||||
}
|
||||
popTarget()
|
||||
this.cleanupDeps()
|
||||
}
|
||||
return value
|
||||
}
|
||||
|
||||
/**
|
||||
* Add a dependency to this directive.
|
||||
*/
|
||||
addDep (dep: Dep) {
|
||||
const id = dep.id
|
||||
if (!this.newDepIds.has(id)) {
|
||||
this.newDepIds.add(id)
|
||||
this.newDeps.push(dep)
|
||||
if (!this.depIds.has(id)) {
|
||||
dep.addSub(this)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Clean up for dependency collection.
|
||||
*/
|
||||
cleanupDeps () {
|
||||
let i = this.deps.length
|
||||
while (i--) {
|
||||
const dep = this.deps[i]
|
||||
if (!this.newDepIds.has(dep.id)) {
|
||||
dep.removeSub(this)
|
||||
}
|
||||
}
|
||||
let tmp = this.depIds
|
||||
this.depIds = this.newDepIds
|
||||
this.newDepIds = tmp
|
||||
this.newDepIds.clear()
|
||||
tmp = this.deps
|
||||
this.deps = this.newDeps
|
||||
this.newDeps = tmp
|
||||
this.newDeps.length = 0
|
||||
}
|
||||
|
||||
/**
|
||||
* Subscriber interface.
|
||||
* Will be called when a dependency changes.
|
||||
*/
|
||||
update () {
|
||||
/* istanbul ignore else */
|
||||
if (this.lazy) {
|
||||
this.dirty = true
|
||||
} else if (this.sync) {
|
||||
this.run()
|
||||
} else {
|
||||
queueWatcher(this)
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Scheduler job interface.
|
||||
* Will be called by the scheduler.
|
||||
*/
|
||||
run () {
|
||||
if (this.active) {
|
||||
const value = this.get()
|
||||
if (
|
||||
value !== this.value ||
|
||||
// Deep watchers and watchers on Object/Arrays should fire even
|
||||
// when the value is the same, because the value may
|
||||
// have mutated.
|
||||
isObject(value) ||
|
||||
this.deep
|
||||
) {
|
||||
// set new value
|
||||
const oldValue = this.value
|
||||
this.value = value
|
||||
if (this.user) {
|
||||
try {
|
||||
this.cb.call(this.vm, value, oldValue)
|
||||
} catch (e) {
|
||||
handleError(e, this.vm, `callback for watcher "${this.expression}"`)
|
||||
}
|
||||
} else {
|
||||
this.cb.call(this.vm, value, oldValue)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Evaluate the value of the watcher.
|
||||
* This only gets called for lazy watchers.
|
||||
*/
|
||||
evaluate () {
|
||||
this.value = this.get()
|
||||
this.dirty = false
|
||||
}
|
||||
|
||||
/**
|
||||
* Depend on all deps collected by this watcher.
|
||||
*/
|
||||
depend () {
|
||||
let i = this.deps.length
|
||||
while (i--) {
|
||||
this.deps[i].depend()
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Remove self from all dependencies' subscriber list.
|
||||
*/
|
||||
teardown () {
|
||||
if (this.active) {
|
||||
// remove self from vm's watcher list
|
||||
// this is a somewhat expensive operation so we skip it
|
||||
// if the vm is being destroyed.
|
||||
if (!this.vm._isBeingDestroyed) {
|
||||
remove(this.vm._watchers, this)
|
||||
}
|
||||
let i = this.deps.length
|
||||
while (i--) {
|
||||
this.deps[i].removeSub(this)
|
||||
}
|
||||
this.active = false
|
||||
}
|
||||
}
|
||||
}
|
||||
+100
@@ -0,0 +1,100 @@
|
||||
/* @flow */
|
||||
|
||||
import config from '../config'
|
||||
import { noop } from 'shared/util'
|
||||
|
||||
export let warn = noop
|
||||
export let tip = noop
|
||||
export let generateComponentTrace = (noop: any) // work around flow check
|
||||
export let formatComponentName = (noop: any)
|
||||
|
||||
if (process.env.NODE_ENV !== 'production') {
|
||||
const hasConsole = typeof console !== 'undefined'
|
||||
const classifyRE = /(?:^|[-_])(\w)/g
|
||||
const classify = str => str
|
||||
.replace(classifyRE, c => c.toUpperCase())
|
||||
.replace(/[-_]/g, '')
|
||||
|
||||
warn = (msg, vm) => {
|
||||
const trace = vm ? generateComponentTrace(vm) : ''
|
||||
|
||||
if (config.warnHandler) {
|
||||
config.warnHandler.call(null, msg, vm, trace)
|
||||
} else if (hasConsole && (!config.silent)) {
|
||||
console.error(`[Vue warn]: ${msg}${trace}`)
|
||||
}
|
||||
}
|
||||
|
||||
tip = (msg, vm) => {
|
||||
if (hasConsole && (!config.silent)) {
|
||||
console.warn(`[Vue tip]: ${msg}` + (
|
||||
vm ? generateComponentTrace(vm) : ''
|
||||
))
|
||||
}
|
||||
}
|
||||
|
||||
formatComponentName = (vm, includeFile) => {
|
||||
if (vm.$root === vm) {
|
||||
return '<Root>'
|
||||
}
|
||||
const options = typeof vm === 'function' && vm.cid != null
|
||||
? vm.options
|
||||
: vm._isVue
|
||||
? vm.$options || vm.constructor.options
|
||||
: vm || {}
|
||||
let name = options.name || options._componentTag
|
||||
const file = options.__file
|
||||
if (!name && file) {
|
||||
const match = file.match(/([^/\\]+)\.vue$/)
|
||||
name = match && match[1]
|
||||
}
|
||||
|
||||
return (
|
||||
(name ? `<${classify(name)}>` : `<Anonymous>`) +
|
||||
(file && includeFile !== false ? ` at ${file}` : '')
|
||||
)
|
||||
}
|
||||
|
||||
const repeat = (str, n) => {
|
||||
let res = ''
|
||||
while (n) {
|
||||
if (n % 2 === 1) res += str
|
||||
if (n > 1) str += str
|
||||
n >>= 1
|
||||
}
|
||||
return res
|
||||
}
|
||||
|
||||
generateComponentTrace = vm => {
|
||||
if (vm._isVue && vm.$parent) {
|
||||
const tree = []
|
||||
let currentRecursiveSequence = 0
|
||||
while (vm) {
|
||||
if (tree.length > 0) {
|
||||
const 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((vm, i) => `${
|
||||
i === 0 ? '---> ' : repeat(' ', 5 + i * 2)
|
||||
}${
|
||||
Array.isArray(vm)
|
||||
? `${formatComponentName(vm[0])}... (${vm[1]} recursive calls)`
|
||||
: formatComponentName(vm)
|
||||
}`)
|
||||
.join('\n')
|
||||
} else {
|
||||
return `\n\n(found in ${formatComponentName(vm)})`
|
||||
}
|
||||
}
|
||||
}
|
||||
+95
@@ -0,0 +1,95 @@
|
||||
/* @flow */
|
||||
|
||||
// can we use __proto__?
|
||||
export const hasProto = '__proto__' in {}
|
||||
|
||||
// Browser environment sniffing
|
||||
export const inBrowser = typeof window !== 'undefined'
|
||||
export const inWeex = typeof WXEnvironment !== 'undefined' && !!WXEnvironment.platform
|
||||
export const weexPlatform = inWeex && WXEnvironment.platform.toLowerCase()
|
||||
export const UA = inBrowser && window.navigator.userAgent.toLowerCase()
|
||||
export const isIE = UA && /msie|trident/.test(UA)
|
||||
export const isIE9 = UA && UA.indexOf('msie 9.0') > 0
|
||||
export const isEdge = UA && UA.indexOf('edge/') > 0
|
||||
export const isAndroid = (UA && UA.indexOf('android') > 0) || (weexPlatform === 'android')
|
||||
export const isIOS = (UA && /iphone|ipad|ipod|ios/.test(UA)) || (weexPlatform === 'ios')
|
||||
export const isChrome = UA && /chrome\/\d+/.test(UA) && !isEdge
|
||||
|
||||
// Firefox has a "watch" function on Object.prototype...
|
||||
export const nativeWatch = ({}).watch
|
||||
|
||||
export let supportsPassive = false
|
||||
if (inBrowser) {
|
||||
try {
|
||||
const opts = {}
|
||||
Object.defineProperty(opts, 'passive', ({
|
||||
get () {
|
||||
/* istanbul ignore next */
|
||||
supportsPassive = true
|
||||
}
|
||||
}: Object)) // 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
|
||||
let _isServer
|
||||
export const isServerRendering = () => {
|
||||
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'].env.VUE_ENV === 'server'
|
||||
} else {
|
||||
_isServer = false
|
||||
}
|
||||
}
|
||||
return _isServer
|
||||
}
|
||||
|
||||
// detect devtools
|
||||
export const devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__
|
||||
|
||||
/* istanbul ignore next */
|
||||
export function isNative (Ctor: any): boolean {
|
||||
return typeof Ctor === 'function' && /native code/.test(Ctor.toString())
|
||||
}
|
||||
|
||||
export const hasSymbol =
|
||||
typeof Symbol !== 'undefined' && isNative(Symbol) &&
|
||||
typeof Reflect !== 'undefined' && isNative(Reflect.ownKeys)
|
||||
|
||||
let _Set
|
||||
/* istanbul ignore if */ // $flow-disable-line
|
||||
if (typeof Set !== 'undefined' && isNative(Set)) {
|
||||
// use native Set when available.
|
||||
_Set = Set
|
||||
} else {
|
||||
// a non-standard Set polyfill that only works with primitive keys.
|
||||
_Set = class Set implements SimpleSet {
|
||||
set: Object;
|
||||
constructor () {
|
||||
this.set = Object.create(null)
|
||||
}
|
||||
has (key: string | number) {
|
||||
return this.set[key] === true
|
||||
}
|
||||
add (key: string | number) {
|
||||
this.set[key] = true
|
||||
}
|
||||
clear () {
|
||||
this.set = Object.create(null)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
interface SimpleSet {
|
||||
has(key: string | number): boolean;
|
||||
add(key: string | number): mixed;
|
||||
clear(): void;
|
||||
}
|
||||
|
||||
export { _Set }
|
||||
export type { SimpleSet }
|
||||
+48
@@ -0,0 +1,48 @@
|
||||
/* @flow */
|
||||
|
||||
import config from '../config'
|
||||
import { warn } from './debug'
|
||||
import { inBrowser, inWeex } from './env'
|
||||
|
||||
export function handleError (err: Error, vm: any, info: string) {
|
||||
if (vm) {
|
||||
let cur = vm
|
||||
while ((cur = cur.$parent)) {
|
||||
const hooks = cur.$options.errorCaptured
|
||||
if (hooks) {
|
||||
for (let i = 0; i < hooks.length; i++) {
|
||||
try {
|
||||
const 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) {
|
||||
if (config.errorHandler) {
|
||||
try {
|
||||
return config.errorHandler.call(null, err, vm, info)
|
||||
} catch (e) {
|
||||
logError(e, null, 'config.errorHandler')
|
||||
}
|
||||
}
|
||||
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
|
||||
}
|
||||
}
|
||||
+11
@@ -0,0 +1,11 @@
|
||||
/* @flow */
|
||||
|
||||
export * from 'shared/util'
|
||||
export * from './lang'
|
||||
export * from './env'
|
||||
export * from './options'
|
||||
export * from './debug'
|
||||
export * from './props'
|
||||
export * from './error'
|
||||
export * from './next-tick'
|
||||
export { defineReactive } from '../observer/index'
|
||||
+39
@@ -0,0 +1,39 @@
|
||||
/* @flow */
|
||||
|
||||
/**
|
||||
* Check if a string starts with $ or _
|
||||
*/
|
||||
export function isReserved (str: string): boolean {
|
||||
const c = (str + '').charCodeAt(0)
|
||||
return c === 0x24 || c === 0x5F
|
||||
}
|
||||
|
||||
/**
|
||||
* Define a property.
|
||||
*/
|
||||
export function def (obj: Object, key: string, val: any, enumerable?: boolean) {
|
||||
Object.defineProperty(obj, key, {
|
||||
value: val,
|
||||
enumerable: !!enumerable,
|
||||
writable: true,
|
||||
configurable: true
|
||||
})
|
||||
}
|
||||
|
||||
/**
|
||||
* Parse simple path.
|
||||
*/
|
||||
const bailRE = /[^\w.$]/
|
||||
export function parsePath (path: string): any {
|
||||
if (bailRE.test(path)) {
|
||||
return
|
||||
}
|
||||
const segments = path.split('.')
|
||||
return function (obj) {
|
||||
for (let i = 0; i < segments.length; i++) {
|
||||
if (!obj) return
|
||||
obj = obj[segments[i]]
|
||||
}
|
||||
return obj
|
||||
}
|
||||
}
|
||||
+117
@@ -0,0 +1,117 @@
|
||||
/* @flow */
|
||||
/* globals MessageChannel */
|
||||
|
||||
import { noop } from 'shared/util'
|
||||
import { handleError } from './error'
|
||||
import { isIOS, isNative } from './env'
|
||||
|
||||
const callbacks = []
|
||||
let pending = false
|
||||
|
||||
function flushCallbacks () {
|
||||
pending = false
|
||||
const copies = callbacks.slice(0)
|
||||
callbacks.length = 0
|
||||
for (let i = 0; i < copies.length; i++) {
|
||||
copies[i]()
|
||||
}
|
||||
}
|
||||
|
||||
// Here we have async deferring wrappers using both microtasks and (macro) tasks.
|
||||
// In < 2.4 we used microtasks everywhere, but there are some scenarios where
|
||||
// microtasks have too high a priority and fire in between supposedly
|
||||
// sequential events (e.g. #4521, #6690) or even between bubbling of the same
|
||||
// event (#6566). However, using (macro) tasks everywhere also has subtle problems
|
||||
// when state is changed right before repaint (e.g. #6813, out-in transitions).
|
||||
// Here we use microtask by default, but expose a way to force (macro) task when
|
||||
// needed (e.g. in event handlers attached by v-on).
|
||||
let microTimerFunc
|
||||
let macroTimerFunc
|
||||
let useMacroTask = false
|
||||
|
||||
// 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)) {
|
||||
macroTimerFunc = () => {
|
||||
setImmediate(flushCallbacks)
|
||||
}
|
||||
} else if (typeof MessageChannel !== 'undefined' && (
|
||||
isNative(MessageChannel) ||
|
||||
// PhantomJS
|
||||
MessageChannel.toString() === '[object MessageChannelConstructor]'
|
||||
)) {
|
||||
const channel = new MessageChannel()
|
||||
const port = channel.port2
|
||||
channel.port1.onmessage = flushCallbacks
|
||||
macroTimerFunc = () => {
|
||||
port.postMessage(1)
|
||||
}
|
||||
} else {
|
||||
/* istanbul ignore next */
|
||||
macroTimerFunc = () => {
|
||||
setTimeout(flushCallbacks, 0)
|
||||
}
|
||||
}
|
||||
|
||||
// Determine microtask defer implementation.
|
||||
/* istanbul ignore next, $flow-disable-line */
|
||||
if (typeof Promise !== 'undefined' && isNative(Promise)) {
|
||||
const p = Promise.resolve()
|
||||
microTimerFunc = () => {
|
||||
p.then(flushCallbacks)
|
||||
// in problematic UIWebViews, Promise.then doesn't completely break, but
|
||||
// it can get stuck in a weird state where callbacks are pushed into the
|
||||
// microtask queue but the queue isn't being flushed, until the browser
|
||||
// needs to do some other work, e.g. handle a timer. Therefore we can
|
||||
// "force" the microtask queue to be flushed by adding an empty timer.
|
||||
if (isIOS) setTimeout(noop)
|
||||
}
|
||||
} else {
|
||||
// fallback to macro
|
||||
microTimerFunc = macroTimerFunc
|
||||
}
|
||||
|
||||
/**
|
||||
* Wrap a function so that if any code inside triggers state change,
|
||||
* the changes are queued using a (macro) task instead of a microtask.
|
||||
*/
|
||||
export function withMacroTask (fn: Function): Function {
|
||||
return fn._withTask || (fn._withTask = function () {
|
||||
useMacroTask = true
|
||||
const res = fn.apply(null, arguments)
|
||||
useMacroTask = false
|
||||
return res
|
||||
})
|
||||
}
|
||||
|
||||
export function nextTick (cb?: Function, ctx?: Object) {
|
||||
let _resolve
|
||||
callbacks.push(() => {
|
||||
if (cb) {
|
||||
try {
|
||||
cb.call(ctx)
|
||||
} catch (e) {
|
||||
handleError(e, ctx, 'nextTick')
|
||||
}
|
||||
} else if (_resolve) {
|
||||
_resolve(ctx)
|
||||
}
|
||||
})
|
||||
if (!pending) {
|
||||
pending = true
|
||||
if (useMacroTask) {
|
||||
macroTimerFunc()
|
||||
} else {
|
||||
microTimerFunc()
|
||||
}
|
||||
}
|
||||
// $flow-disable-line
|
||||
if (!cb && typeof Promise !== 'undefined') {
|
||||
return new Promise(resolve => {
|
||||
_resolve = resolve
|
||||
})
|
||||
}
|
||||
}
|
||||
+438
@@ -0,0 +1,438 @@
|
||||
/* @flow */
|
||||
|
||||
import config from '../config'
|
||||
import { warn } from './debug'
|
||||
import { nativeWatch } from './env'
|
||||
import { set } from '../observer/index'
|
||||
|
||||
import {
|
||||
ASSET_TYPES,
|
||||
LIFECYCLE_HOOKS
|
||||
} from 'shared/constants'
|
||||
|
||||
import {
|
||||
extend,
|
||||
hasOwn,
|
||||
camelize,
|
||||
toRawType,
|
||||
capitalize,
|
||||
isBuiltInTag,
|
||||
isPlainObject
|
||||
} from 'shared/util'
|
||||
|
||||
/**
|
||||
* Option overwriting strategies are functions that handle
|
||||
* how to merge a parent option value and a child option
|
||||
* value into the final value.
|
||||
*/
|
||||
const strats = config.optionMergeStrategies
|
||||
|
||||
/**
|
||||
* Options with restrictions
|
||||
*/
|
||||
if (process.env.NODE_ENV !== 'production') {
|
||||
strats.el = strats.propsData = function (parent, child, vm, key) {
|
||||
if (!vm) {
|
||||
warn(
|
||||
`option "${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: Object, from: ?Object): Object {
|
||||
if (!from) return to
|
||||
let key, toVal, fromVal
|
||||
const keys = Object.keys(from)
|
||||
for (let i = 0; i < keys.length; i++) {
|
||||
key = keys[i]
|
||||
toVal = to[key]
|
||||
fromVal = from[key]
|
||||
if (!hasOwn(to, key)) {
|
||||
set(to, key, fromVal)
|
||||
} else if (isPlainObject(toVal) && isPlainObject(fromVal)) {
|
||||
mergeData(toVal, fromVal)
|
||||
}
|
||||
}
|
||||
return to
|
||||
}
|
||||
|
||||
/**
|
||||
* Data
|
||||
*/
|
||||
export function mergeDataOrFn (
|
||||
parentVal: any,
|
||||
childVal: any,
|
||||
vm?: Component
|
||||
): ?Function {
|
||||
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
|
||||
const instanceData = typeof childVal === 'function'
|
||||
? childVal.call(vm, vm)
|
||||
: childVal
|
||||
const defaultData = typeof parentVal === 'function'
|
||||
? parentVal.call(vm, vm)
|
||||
: parentVal
|
||||
if (instanceData) {
|
||||
return mergeData(instanceData, defaultData)
|
||||
} else {
|
||||
return defaultData
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
strats.data = function (
|
||||
parentVal: any,
|
||||
childVal: any,
|
||||
vm?: Component
|
||||
): ?Function {
|
||||
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: ?Array<Function>,
|
||||
childVal: ?Function | ?Array<Function>
|
||||
): ?Array<Function> {
|
||||
return childVal
|
||||
? parentVal
|
||||
? parentVal.concat(childVal)
|
||||
: Array.isArray(childVal)
|
||||
? childVal
|
||||
: [childVal]
|
||||
: parentVal
|
||||
}
|
||||
|
||||
LIFECYCLE_HOOKS.forEach(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: ?Object,
|
||||
childVal: ?Object,
|
||||
vm?: Component,
|
||||
key: string
|
||||
): Object {
|
||||
const 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: ?Object,
|
||||
childVal: ?Object,
|
||||
vm?: Component,
|
||||
key: string
|
||||
): ?Object {
|
||||
// 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
|
||||
const ret = {}
|
||||
extend(ret, parentVal)
|
||||
for (const key in childVal) {
|
||||
let parent = ret[key]
|
||||
const child = childVal[key]
|
||||
if (parent && !Array.isArray(parent)) {
|
||||
parent = [parent]
|
||||
}
|
||||
ret[key] = parent
|
||||
? parent.concat(child)
|
||||
: Array.isArray(child) ? child : [child]
|
||||
}
|
||||
return ret
|
||||
}
|
||||
|
||||
/**
|
||||
* Other object hashes.
|
||||
*/
|
||||
strats.props =
|
||||
strats.methods =
|
||||
strats.inject =
|
||||
strats.computed = function (
|
||||
parentVal: ?Object,
|
||||
childVal: ?Object,
|
||||
vm?: Component,
|
||||
key: string
|
||||
): ?Object {
|
||||
if (childVal && process.env.NODE_ENV !== 'production') {
|
||||
assertObjectType(key, childVal, vm)
|
||||
}
|
||||
if (!parentVal) return childVal
|
||||
const ret = Object.create(null)
|
||||
extend(ret, parentVal)
|
||||
if (childVal) extend(ret, childVal)
|
||||
return ret
|
||||
}
|
||||
strats.provide = mergeDataOrFn
|
||||
|
||||
/**
|
||||
* Default strategy.
|
||||
*/
|
||||
const defaultStrat = function (parentVal: any, childVal: any): any {
|
||||
return childVal === undefined
|
||||
? parentVal
|
||||
: childVal
|
||||
}
|
||||
|
||||
/**
|
||||
* Validate component names
|
||||
*/
|
||||
function checkComponents (options: Object) {
|
||||
for (const key in options.components) {
|
||||
validateComponentName(key)
|
||||
}
|
||||
}
|
||||
|
||||
export function validateComponentName (name: string) {
|
||||
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: Object, vm: ?Component) {
|
||||
const props = options.props
|
||||
if (!props) return
|
||||
const res = {}
|
||||
let 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 (const 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: Object, vm: ?Component) {
|
||||
const inject = options.inject
|
||||
if (!inject) return
|
||||
const normalized = options.inject = {}
|
||||
if (Array.isArray(inject)) {
|
||||
for (let i = 0; i < inject.length; i++) {
|
||||
normalized[inject[i]] = { from: inject[i] }
|
||||
}
|
||||
} else if (isPlainObject(inject)) {
|
||||
for (const key in inject) {
|
||||
const 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 ${toRawType(inject)}.`,
|
||||
vm
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Normalize raw function directives into object format.
|
||||
*/
|
||||
function normalizeDirectives (options: Object) {
|
||||
const dirs = options.directives
|
||||
if (dirs) {
|
||||
for (const key in dirs) {
|
||||
const def = dirs[key]
|
||||
if (typeof def === 'function') {
|
||||
dirs[key] = { bind: def, update: def }
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function assertObjectType (name: string, value: any, vm: ?Component) {
|
||||
if (!isPlainObject(value)) {
|
||||
warn(
|
||||
`Invalid value for option "${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.
|
||||
*/
|
||||
export function mergeOptions (
|
||||
parent: Object,
|
||||
child: Object,
|
||||
vm?: Component
|
||||
): Object {
|
||||
if (process.env.NODE_ENV !== 'production') {
|
||||
checkComponents(child)
|
||||
}
|
||||
|
||||
if (typeof child === 'function') {
|
||||
child = child.options
|
||||
}
|
||||
|
||||
normalizeProps(child, vm)
|
||||
normalizeInject(child, vm)
|
||||
normalizeDirectives(child)
|
||||
const extendsFrom = child.extends
|
||||
if (extendsFrom) {
|
||||
parent = mergeOptions(parent, extendsFrom, vm)
|
||||
}
|
||||
if (child.mixins) {
|
||||
for (let i = 0, l = child.mixins.length; i < l; i++) {
|
||||
parent = mergeOptions(parent, child.mixins[i], vm)
|
||||
}
|
||||
}
|
||||
const options = {}
|
||||
let key
|
||||
for (key in parent) {
|
||||
mergeField(key)
|
||||
}
|
||||
for (key in child) {
|
||||
if (!hasOwn(parent, key)) {
|
||||
mergeField(key)
|
||||
}
|
||||
}
|
||||
function mergeField (key) {
|
||||
const 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.
|
||||
*/
|
||||
export function resolveAsset (
|
||||
options: Object,
|
||||
type: string,
|
||||
id: string,
|
||||
warnMissing?: boolean
|
||||
): any {
|
||||
/* istanbul ignore if */
|
||||
if (typeof id !== 'string') {
|
||||
return
|
||||
}
|
||||
const assets = options[type]
|
||||
// check local registration variations first
|
||||
if (hasOwn(assets, id)) return assets[id]
|
||||
const camelizedId = camelize(id)
|
||||
if (hasOwn(assets, camelizedId)) return assets[camelizedId]
|
||||
const PascalCaseId = capitalize(camelizedId)
|
||||
if (hasOwn(assets, PascalCaseId)) return assets[PascalCaseId]
|
||||
// fallback to prototype chain
|
||||
const 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
|
||||
}
|
||||
+24
@@ -0,0 +1,24 @@
|
||||
import { inBrowser } from './env'
|
||||
|
||||
export let mark
|
||||
export let measure
|
||||
|
||||
if (process.env.NODE_ENV !== 'production') {
|
||||
const perf = inBrowser && window.performance
|
||||
/* istanbul ignore if */
|
||||
if (
|
||||
perf &&
|
||||
perf.mark &&
|
||||
perf.measure &&
|
||||
perf.clearMarks &&
|
||||
perf.clearMeasures
|
||||
) {
|
||||
mark = tag => perf.mark(tag)
|
||||
measure = (name, startTag, endTag) => {
|
||||
perf.measure(name, startTag, endTag)
|
||||
perf.clearMarks(startTag)
|
||||
perf.clearMarks(endTag)
|
||||
perf.clearMeasures(name)
|
||||
}
|
||||
}
|
||||
}
|
||||
+202
@@ -0,0 +1,202 @@
|
||||
/* @flow */
|
||||
|
||||
import { warn } from './debug'
|
||||
import { observe, toggleObserving, shouldObserve } from '../observer/index'
|
||||
import {
|
||||
hasOwn,
|
||||
isObject,
|
||||
toRawType,
|
||||
hyphenate,
|
||||
capitalize,
|
||||
isPlainObject
|
||||
} from 'shared/util'
|
||||
|
||||
type PropOptions = {
|
||||
type: Function | Array<Function> | null,
|
||||
default: any,
|
||||
required: ?boolean,
|
||||
validator: ?Function
|
||||
};
|
||||
|
||||
export function validateProp (
|
||||
key: string,
|
||||
propOptions: Object,
|
||||
propsData: Object,
|
||||
vm?: Component
|
||||
): any {
|
||||
const prop = propOptions[key]
|
||||
const absent = !hasOwn(propsData, key)
|
||||
let value = propsData[key]
|
||||
// boolean casting
|
||||
const 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
|
||||
const 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.
|
||||
const prevShouldObserve = shouldObserve
|
||||
toggleObserving(true)
|
||||
observe(value)
|
||||
toggleObserving(prevShouldObserve)
|
||||
}
|
||||
if (
|
||||
process.env.NODE_ENV !== 'production' &&
|
||||
// skip validation for weex recycle-list child component props
|
||||
!(__WEEX__ && isObject(value) && ('@binding' in value))
|
||||
) {
|
||||
assertProp(prop, key, value, vm, absent)
|
||||
}
|
||||
return value
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the default value of a prop.
|
||||
*/
|
||||
function getPropDefaultValue (vm: ?Component, prop: PropOptions, key: string): any {
|
||||
// no default, return undefined
|
||||
if (!hasOwn(prop, 'default')) {
|
||||
return undefined
|
||||
}
|
||||
const 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.$options.propsData[key] === undefined &&
|
||||
vm._props[key] !== undefined
|
||||
) {
|
||||
return vm._props[key]
|
||||
}
|
||||
// call factory function for non-Function types
|
||||
// a value is Function if its prototype is function even across different execution context
|
||||
return typeof def === 'function' && getType(prop.type) !== 'Function'
|
||||
? def.call(vm)
|
||||
: def
|
||||
}
|
||||
|
||||
/**
|
||||
* Assert whether a prop is valid.
|
||||
*/
|
||||
function assertProp (
|
||||
prop: PropOptions,
|
||||
name: string,
|
||||
value: any,
|
||||
vm: ?Component,
|
||||
absent: boolean
|
||||
) {
|
||||
if (prop.required && absent) {
|
||||
warn(
|
||||
'Missing required prop: "' + name + '"',
|
||||
vm
|
||||
)
|
||||
return
|
||||
}
|
||||
if (value == null && !prop.required) {
|
||||
return
|
||||
}
|
||||
let type = prop.type
|
||||
let valid = !type || type === true
|
||||
const expectedTypes = []
|
||||
if (type) {
|
||||
if (!Array.isArray(type)) {
|
||||
type = [type]
|
||||
}
|
||||
for (let i = 0; i < type.length && !valid; i++) {
|
||||
const assertedType = assertType(value, type[i])
|
||||
expectedTypes.push(assertedType.expectedType || '')
|
||||
valid = assertedType.valid
|
||||
}
|
||||
}
|
||||
if (!valid) {
|
||||
warn(
|
||||
`Invalid prop: type check failed for prop "${name}".` +
|
||||
` Expected ${expectedTypes.map(capitalize).join(', ')}` +
|
||||
`, got ${toRawType(value)}.`,
|
||||
vm
|
||||
)
|
||||
return
|
||||
}
|
||||
const validator = prop.validator
|
||||
if (validator) {
|
||||
if (!validator(value)) {
|
||||
warn(
|
||||
'Invalid prop: custom validator check failed for prop "' + name + '".',
|
||||
vm
|
||||
)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
const simpleCheckRE = /^(String|Number|Boolean|Function|Symbol)$/
|
||||
|
||||
function assertType (value: any, type: Function): {
|
||||
valid: boolean;
|
||||
expectedType: string;
|
||||
} {
|
||||
let valid
|
||||
const expectedType = getType(type)
|
||||
if (simpleCheckRE.test(expectedType)) {
|
||||
const 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,
|
||||
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) {
|
||||
const 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): number {
|
||||
if (!Array.isArray(expectedTypes)) {
|
||||
return isSameType(expectedTypes, type) ? 0 : -1
|
||||
}
|
||||
for (let i = 0, len = expectedTypes.length; i < len; i++) {
|
||||
if (isSameType(expectedTypes[i], type)) {
|
||||
return i
|
||||
}
|
||||
}
|
||||
return -1
|
||||
}
|
||||
+257
@@ -0,0 +1,257 @@
|
||||
/* @flow */
|
||||
|
||||
import VNode from './vnode'
|
||||
import { resolveConstructorOptions } from 'core/instance/init'
|
||||
import { queueActivatedComponent } from 'core/observer/scheduler'
|
||||
import { createFunctionalComponent } from './create-functional-component'
|
||||
|
||||
import {
|
||||
warn,
|
||||
isDef,
|
||||
isUndef,
|
||||
isTrue,
|
||||
isObject
|
||||
} from '../util/index'
|
||||
|
||||
import {
|
||||
resolveAsyncComponent,
|
||||
createAsyncPlaceholder,
|
||||
extractPropsFromVNodeData
|
||||
} from './helpers/index'
|
||||
|
||||
import {
|
||||
callHook,
|
||||
activeInstance,
|
||||
updateChildComponent,
|
||||
activateChildComponent,
|
||||
deactivateChildComponent
|
||||
} from '../instance/lifecycle'
|
||||
|
||||
import {
|
||||
isRecyclableComponent,
|
||||
renderRecyclableComponentTemplate
|
||||
} from 'weex/runtime/recycle-list/render-component-template'
|
||||
|
||||
// inline hooks to be invoked on component VNodes during patch
|
||||
const componentVNodeHooks = {
|
||||
init (
|
||||
vnode: VNodeWithData,
|
||||
hydrating: boolean,
|
||||
parentElm: ?Node,
|
||||
refElm: ?Node
|
||||
): ?boolean {
|
||||
if (
|
||||
vnode.componentInstance &&
|
||||
!vnode.componentInstance._isDestroyed &&
|
||||
vnode.data.keepAlive
|
||||
) {
|
||||
// kept-alive components, treat as a patch
|
||||
const mountedNode: any = vnode // work around flow
|
||||
componentVNodeHooks.prepatch(mountedNode, mountedNode)
|
||||
} else {
|
||||
const child = vnode.componentInstance = createComponentInstanceForVnode(
|
||||
vnode,
|
||||
activeInstance,
|
||||
parentElm,
|
||||
refElm
|
||||
)
|
||||
child.$mount(hydrating ? vnode.elm : undefined, hydrating)
|
||||
}
|
||||
},
|
||||
|
||||
prepatch (oldVnode: MountedComponentVNode, vnode: MountedComponentVNode) {
|
||||
const options = vnode.componentOptions
|
||||
const child = vnode.componentInstance = oldVnode.componentInstance
|
||||
updateChildComponent(
|
||||
child,
|
||||
options.propsData, // updated props
|
||||
options.listeners, // updated listeners
|
||||
vnode, // new parent vnode
|
||||
options.children // new children
|
||||
)
|
||||
},
|
||||
|
||||
insert (vnode: MountedComponentVNode) {
|
||||
const { context, componentInstance } = vnode
|
||||
if (!componentInstance._isMounted) {
|
||||
componentInstance._isMounted = true
|
||||
callHook(componentInstance, 'mounted')
|
||||
}
|
||||
if (vnode.data.keepAlive) {
|
||||
if (context._isMounted) {
|
||||
// vue-router#1212
|
||||
// During updates, a kept-alive component's child components may
|
||||
// change, so directly walking the tree here may call activated hooks
|
||||
// on incorrect children. Instead we push them into a queue which will
|
||||
// be processed after the whole patch process ended.
|
||||
queueActivatedComponent(componentInstance)
|
||||
} else {
|
||||
activateChildComponent(componentInstance, true /* direct */)
|
||||
}
|
||||
}
|
||||
},
|
||||
|
||||
destroy (vnode: MountedComponentVNode) {
|
||||
const { componentInstance } = vnode
|
||||
if (!componentInstance._isDestroyed) {
|
||||
if (!vnode.data.keepAlive) {
|
||||
componentInstance.$destroy()
|
||||
} else {
|
||||
deactivateChildComponent(componentInstance, true /* direct */)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
const hooksToMerge = Object.keys(componentVNodeHooks)
|
||||
|
||||
export function createComponent (
|
||||
Ctor: Class<Component> | Function | Object | void,
|
||||
data: ?VNodeData,
|
||||
context: Component,
|
||||
children: ?Array<VNode>,
|
||||
tag?: string
|
||||
): VNode | Array<VNode> | void {
|
||||
if (isUndef(Ctor)) {
|
||||
return
|
||||
}
|
||||
|
||||
const 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
|
||||
let 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
|
||||
const 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
|
||||
const 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
|
||||
const slot = data.slot
|
||||
data = {}
|
||||
if (slot) {
|
||||
data.slot = slot
|
||||
}
|
||||
}
|
||||
|
||||
// install component management hooks onto the placeholder node
|
||||
installComponentHooks(data)
|
||||
|
||||
// return a placeholder vnode
|
||||
const name = Ctor.options.name || tag
|
||||
const vnode = new VNode(
|
||||
`vue-component-${Ctor.cid}${name ? `-${name}` : ''}`,
|
||||
data, undefined, undefined, undefined, context,
|
||||
{ Ctor, propsData, listeners, tag, children },
|
||||
asyncFactory
|
||||
)
|
||||
|
||||
// Weex specific: invoke recycle-list optimized @render function for
|
||||
// extracting cell-slot template.
|
||||
// https://github.com/Hanks10100/weex-native-directive/tree/master/component
|
||||
/* istanbul ignore if */
|
||||
if (__WEEX__ && isRecyclableComponent(vnode)) {
|
||||
return renderRecyclableComponentTemplate(vnode)
|
||||
}
|
||||
|
||||
return vnode
|
||||
}
|
||||
|
||||
export function createComponentInstanceForVnode (
|
||||
vnode: any, // we know it's MountedComponentVNode but flow doesn't
|
||||
parent: any, // activeInstance in lifecycle state
|
||||
parentElm?: ?Node,
|
||||
refElm?: ?Node
|
||||
): Component {
|
||||
const options: InternalComponentOptions = {
|
||||
_isComponent: true,
|
||||
parent,
|
||||
_parentVnode: vnode,
|
||||
_parentElm: parentElm || null,
|
||||
_refElm: refElm || null
|
||||
}
|
||||
// check inline-template render functions
|
||||
const inlineTemplate = vnode.data.inlineTemplate
|
||||
if (isDef(inlineTemplate)) {
|
||||
options.render = inlineTemplate.render
|
||||
options.staticRenderFns = inlineTemplate.staticRenderFns
|
||||
}
|
||||
return new vnode.componentOptions.Ctor(options)
|
||||
}
|
||||
|
||||
function installComponentHooks (data: VNodeData) {
|
||||
const hooks = data.hook || (data.hook = {})
|
||||
for (let i = 0; i < hooksToMerge.length; i++) {
|
||||
const key = hooksToMerge[i]
|
||||
hooks[key] = componentVNodeHooks[key]
|
||||
}
|
||||
}
|
||||
|
||||
// transform component v-model info (value and callback) into
|
||||
// prop and event handler respectively.
|
||||
function transformModel (options, data: any) {
|
||||
const prop = (options.model && options.model.prop) || 'value'
|
||||
const event = (options.model && options.model.event) || 'input'
|
||||
;(data.props || (data.props = {}))[prop] = data.model.value
|
||||
const on = data.on || (data.on = {})
|
||||
if (isDef(on[event])) {
|
||||
on[event] = [data.model.callback].concat(on[event])
|
||||
} else {
|
||||
on[event] = data.model.callback
|
||||
}
|
||||
}
|
||||
+160
@@ -0,0 +1,160 @@
|
||||
/* @flow */
|
||||
|
||||
import config from '../config'
|
||||
import VNode, { createEmptyVNode } from './vnode'
|
||||
import { createComponent } from './create-component'
|
||||
import { traverse } from '../observer/traverse'
|
||||
|
||||
import {
|
||||
warn,
|
||||
isDef,
|
||||
isUndef,
|
||||
isTrue,
|
||||
isObject,
|
||||
isPrimitive,
|
||||
resolveAsset
|
||||
} from '../util/index'
|
||||
|
||||
import {
|
||||
normalizeChildren,
|
||||
simpleNormalizeChildren
|
||||
} from './helpers/index'
|
||||
|
||||
const SIMPLE_NORMALIZE = 1
|
||||
const ALWAYS_NORMALIZE = 2
|
||||
|
||||
// wrapper function for providing a more flexible interface
|
||||
// without getting yelled at by flow
|
||||
export function createElement (
|
||||
context: Component,
|
||||
tag: any,
|
||||
data: any,
|
||||
children: any,
|
||||
normalizationType: any,
|
||||
alwaysNormalize: boolean
|
||||
): VNode | Array<VNode> {
|
||||
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)
|
||||
}
|
||||
|
||||
export function _createElement (
|
||||
context: Component,
|
||||
tag?: string | Class<Component> | Function | Object,
|
||||
data?: VNodeData,
|
||||
children?: any,
|
||||
normalizationType?: number
|
||||
): VNode | Array<VNode> {
|
||||
if (isDef(data) && isDef((data: any).__ob__)) {
|
||||
process.env.NODE_ENV !== 'production' && warn(
|
||||
`Avoid using observed data object as vnode data: ${JSON.stringify(data)}\n` +
|
||||
'Always create fresh vnode data objects in each render!',
|
||||
context
|
||||
)
|
||||
return createEmptyVNode()
|
||||
}
|
||||
// object syntax in v-bind
|
||||
if (isDef(data) && isDef(data.is)) {
|
||||
tag = data.is
|
||||
}
|
||||
if (!tag) {
|
||||
// in case of component :is set to falsy value
|
||||
return createEmptyVNode()
|
||||
}
|
||||
// warn against non-primitive key
|
||||
if (process.env.NODE_ENV !== 'production' &&
|
||||
isDef(data) && isDef(data.key) && !isPrimitive(data.key)
|
||||
) {
|
||||
if (!__WEEX__ || !('@binding' in data.key)) {
|
||||
warn(
|
||||
'Avoid using non-primitive value as key, ' +
|
||||
'use string/number value instead.',
|
||||
context
|
||||
)
|
||||
}
|
||||
}
|
||||
// support single function children as default scoped slot
|
||||
if (Array.isArray(children) &&
|
||||
typeof children[0] === 'function'
|
||||
) {
|
||||
data = data || {}
|
||||
data.scopedSlots = { default: children[0] }
|
||||
children.length = 0
|
||||
}
|
||||
if (normalizationType === ALWAYS_NORMALIZE) {
|
||||
children = normalizeChildren(children)
|
||||
} else if (normalizationType === SIMPLE_NORMALIZE) {
|
||||
children = simpleNormalizeChildren(children)
|
||||
}
|
||||
let vnode, ns
|
||||
if (typeof tag === 'string') {
|
||||
let Ctor
|
||||
ns = (context.$vnode && context.$vnode.ns) || config.getTagNamespace(tag)
|
||||
if (config.isReservedTag(tag)) {
|
||||
// platform built-in elements
|
||||
vnode = new VNode(
|
||||
config.parsePlatformTagName(tag), data, children,
|
||||
undefined, undefined, context
|
||||
)
|
||||
} else if (isDef(Ctor = resolveAsset(context.$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 (let i = 0, l = vnode.children.length; i < l; i++) {
|
||||
const 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)
|
||||
}
|
||||
}
|
||||
+136
@@ -0,0 +1,136 @@
|
||||
/* @flow */
|
||||
|
||||
import VNode, { cloneVNode } from './vnode'
|
||||
import { createElement } from './create-element'
|
||||
import { resolveInject } from '../instance/inject'
|
||||
import { normalizeChildren } from '../vdom/helpers/normalize-children'
|
||||
import { resolveSlots } from '../instance/render-helpers/resolve-slots'
|
||||
import { installRenderHelpers } from '../instance/render-helpers/index'
|
||||
|
||||
import {
|
||||
isDef,
|
||||
isTrue,
|
||||
hasOwn,
|
||||
camelize,
|
||||
emptyObject,
|
||||
validateProp
|
||||
} from '../util/index'
|
||||
|
||||
export function FunctionalRenderContext (
|
||||
data: VNodeData,
|
||||
props: Object,
|
||||
children: ?Array<VNode>,
|
||||
parent: Component,
|
||||
Ctor: Class<Component>
|
||||
) {
|
||||
const options = Ctor.options
|
||||
// ensure the createElement function in functional components
|
||||
// gets a unique context - this is necessary for correct named slot check
|
||||
let 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
|
||||
}
|
||||
const isCompiled = isTrue(options._compiled)
|
||||
const 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 = () => 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 = (a, b, c, d) => {
|
||||
const 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 = (a, b, c, d) => createElement(contextVm, a, b, c, d, needNormalization)
|
||||
}
|
||||
}
|
||||
|
||||
installRenderHelpers(FunctionalRenderContext.prototype)
|
||||
|
||||
export function createFunctionalComponent (
|
||||
Ctor: Class<Component>,
|
||||
propsData: ?Object,
|
||||
data: VNodeData,
|
||||
contextVm: Component,
|
||||
children: ?Array<VNode>
|
||||
): VNode | Array<VNode> | void {
|
||||
const options = Ctor.options
|
||||
const props = {}
|
||||
const propOptions = options.props
|
||||
if (isDef(propOptions)) {
|
||||
for (const 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)
|
||||
}
|
||||
|
||||
const renderContext = new FunctionalRenderContext(
|
||||
data,
|
||||
props,
|
||||
children,
|
||||
contextVm,
|
||||
Ctor
|
||||
)
|
||||
|
||||
const vnode = options.render.call(null, renderContext._c, renderContext)
|
||||
|
||||
if (vnode instanceof VNode) {
|
||||
return cloneAndMarkFunctionalResult(vnode, data, renderContext.parent, options)
|
||||
} else if (Array.isArray(vnode)) {
|
||||
const vnodes = normalizeChildren(vnode) || []
|
||||
const res = new Array(vnodes.length)
|
||||
for (let i = 0; i < vnodes.length; i++) {
|
||||
res[i] = cloneAndMarkFunctionalResult(vnodes[i], data, renderContext.parent, options)
|
||||
}
|
||||
return res
|
||||
}
|
||||
}
|
||||
|
||||
function cloneAndMarkFunctionalResult (vnode, data, contextVm, options) {
|
||||
// #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.
|
||||
const clone = cloneVNode(vnode)
|
||||
clone.fnContext = contextVm
|
||||
clone.fnOptions = options
|
||||
if (data.slot) {
|
||||
(clone.data || (clone.data = {})).slot = data.slot
|
||||
}
|
||||
return clone
|
||||
}
|
||||
|
||||
function mergeProps (to, from) {
|
||||
for (const key in from) {
|
||||
to[camelize(key)] = from[key]
|
||||
}
|
||||
}
|
||||
+75
@@ -0,0 +1,75 @@
|
||||
/* @flow */
|
||||
|
||||
import {
|
||||
tip,
|
||||
hasOwn,
|
||||
isDef,
|
||||
isUndef,
|
||||
hyphenate,
|
||||
formatComponentName
|
||||
} from 'core/util/index'
|
||||
|
||||
export function extractPropsFromVNodeData (
|
||||
data: VNodeData,
|
||||
Ctor: Class<Component>,
|
||||
tag?: string
|
||||
): ?Object {
|
||||
// we are only extracting raw values here.
|
||||
// validation and default values are handled in the child
|
||||
// component itself.
|
||||
const propOptions = Ctor.options.props
|
||||
if (isUndef(propOptions)) {
|
||||
return
|
||||
}
|
||||
const res = {}
|
||||
const { attrs, props } = data
|
||||
if (isDef(attrs) || isDef(props)) {
|
||||
for (const key in propOptions) {
|
||||
const altKey = hyphenate(key)
|
||||
if (process.env.NODE_ENV !== 'production') {
|
||||
const 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: Object,
|
||||
hash: ?Object,
|
||||
key: string,
|
||||
altKey: string,
|
||||
preserve: boolean
|
||||
): boolean {
|
||||
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
|
||||
}
|
||||
+15
@@ -0,0 +1,15 @@
|
||||
/* @flow */
|
||||
|
||||
import { isDef } from 'shared/util'
|
||||
import { isAsyncPlaceholder } from './is-async-placeholder'
|
||||
|
||||
export function getFirstComponentChild (children: ?Array<VNode>): ?VNode {
|
||||
if (Array.isArray(children)) {
|
||||
for (let i = 0; i < children.length; i++) {
|
||||
const c = children[i]
|
||||
if (isDef(c) && (isDef(c.componentOptions) || isAsyncPlaceholder(c))) {
|
||||
return c
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
+9
@@ -0,0 +1,9 @@
|
||||
/* @flow */
|
||||
|
||||
export * from './merge-hook'
|
||||
export * from './extract-props'
|
||||
export * from './update-listeners'
|
||||
export * from './normalize-children'
|
||||
export * from './resolve-async-component'
|
||||
export * from './get-first-component-child'
|
||||
export * from './is-async-placeholder'
|
||||
+5
@@ -0,0 +1,5 @@
|
||||
/* @flow */
|
||||
|
||||
export function isAsyncPlaceholder (node: VNode): boolean {
|
||||
return node.isComment && node.asyncFactory
|
||||
}
|
||||
+38
@@ -0,0 +1,38 @@
|
||||
/* @flow */
|
||||
|
||||
import VNode from '../vnode'
|
||||
import { createFnInvoker } from './update-listeners'
|
||||
import { remove, isDef, isUndef, isTrue } from 'shared/util'
|
||||
|
||||
export function mergeVNodeHook (def: Object, hookKey: string, hook: Function) {
|
||||
if (def instanceof VNode) {
|
||||
def = def.data.hook || (def.data.hook = {})
|
||||
}
|
||||
let invoker
|
||||
const oldHook = def[hookKey]
|
||||
|
||||
function wrappedHook () {
|
||||
hook.apply(this, arguments)
|
||||
// important: remove merged hook to ensure it's called only once
|
||||
// and prevent memory leak
|
||||
remove(invoker.fns, wrappedHook)
|
||||
}
|
||||
|
||||
if (isUndef(oldHook)) {
|
||||
// no existing hook
|
||||
invoker = createFnInvoker([wrappedHook])
|
||||
} else {
|
||||
/* istanbul ignore if */
|
||||
if (isDef(oldHook.fns) && isTrue(oldHook.merged)) {
|
||||
// already a merged invoker
|
||||
invoker = oldHook
|
||||
invoker.fns.push(wrappedHook)
|
||||
} else {
|
||||
// existing plain hook
|
||||
invoker = createFnInvoker([oldHook, wrappedHook])
|
||||
}
|
||||
}
|
||||
|
||||
invoker.merged = true
|
||||
def[hookKey] = invoker
|
||||
}
|
||||
+89
@@ -0,0 +1,89 @@
|
||||
/* @flow */
|
||||
|
||||
import VNode, { createTextVNode } from 'core/vdom/vnode'
|
||||
import { isFalse, isTrue, isDef, isUndef, isPrimitive } from 'shared/util'
|
||||
|
||||
// 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.
|
||||
export function simpleNormalizeChildren (children: any) {
|
||||
for (let 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.
|
||||
export function normalizeChildren (children: any): ?Array<VNode> {
|
||||
return isPrimitive(children)
|
||||
? [createTextVNode(children)]
|
||||
: Array.isArray(children)
|
||||
? normalizeArrayChildren(children)
|
||||
: undefined
|
||||
}
|
||||
|
||||
function isTextNode (node): boolean {
|
||||
return isDef(node) && isDef(node.text) && isFalse(node.isComment)
|
||||
}
|
||||
|
||||
function normalizeArrayChildren (children: any, nestedIndex?: string): Array<VNode> {
|
||||
const res = []
|
||||
let 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 || ''}_${i}`)
|
||||
// merge adjacent text nodes
|
||||
if (isTextNode(c[0]) && isTextNode(last)) {
|
||||
res[lastIndex] = createTextVNode(last.text + (c[0]: any).text)
|
||||
c.shift()
|
||||
}
|
||||
res.push.apply(res, c)
|
||||
}
|
||||
} else if (isPrimitive(c)) {
|
||||
if (isTextNode(last)) {
|
||||
// merge adjacent text nodes
|
||||
// this is necessary for SSR hydration because text nodes are
|
||||
// essentially merged when rendered to HTML strings
|
||||
res[lastIndex] = createTextVNode(last.text + c)
|
||||
} else if (c !== '') {
|
||||
// convert primitive to vnode
|
||||
res.push(createTextVNode(c))
|
||||
}
|
||||
} else {
|
||||
if (isTextNode(c) && isTextNode(last)) {
|
||||
// merge adjacent text nodes
|
||||
res[lastIndex] = createTextVNode(last.text + c.text)
|
||||
} else {
|
||||
// default key for nested array children (likely generated by v-for)
|
||||
if (isTrue(children._isVList) &&
|
||||
isDef(c.tag) &&
|
||||
isUndef(c.key) &&
|
||||
isDef(nestedIndex)) {
|
||||
c.key = `__vlist${nestedIndex}_${i}__`
|
||||
}
|
||||
res.push(c)
|
||||
}
|
||||
}
|
||||
}
|
||||
return res
|
||||
}
|
||||
+140
@@ -0,0 +1,140 @@
|
||||
/* @flow */
|
||||
|
||||
import {
|
||||
warn,
|
||||
once,
|
||||
isDef,
|
||||
isUndef,
|
||||
isTrue,
|
||||
isObject,
|
||||
hasSymbol
|
||||
} from 'core/util/index'
|
||||
|
||||
import { createEmptyVNode } from 'core/vdom/vnode'
|
||||
|
||||
function ensureCtor (comp: any, base) {
|
||||
if (
|
||||
comp.__esModule ||
|
||||
(hasSymbol && comp[Symbol.toStringTag] === 'Module')
|
||||
) {
|
||||
comp = comp.default
|
||||
}
|
||||
return isObject(comp)
|
||||
? base.extend(comp)
|
||||
: comp
|
||||
}
|
||||
|
||||
export function createAsyncPlaceholder (
|
||||
factory: Function,
|
||||
data: ?VNodeData,
|
||||
context: Component,
|
||||
children: ?Array<VNode>,
|
||||
tag: ?string
|
||||
): VNode {
|
||||
const node = createEmptyVNode()
|
||||
node.asyncFactory = factory
|
||||
node.asyncMeta = { data, context, children, tag }
|
||||
return node
|
||||
}
|
||||
|
||||
export function resolveAsyncComponent (
|
||||
factory: Function,
|
||||
baseCtor: Class<Component>,
|
||||
context: Component
|
||||
): Class<Component> | void {
|
||||
if (isTrue(factory.error) && isDef(factory.errorComp)) {
|
||||
return factory.errorComp
|
||||
}
|
||||
|
||||
if (isDef(factory.resolved)) {
|
||||
return factory.resolved
|
||||
}
|
||||
|
||||
if (isTrue(factory.loading) && isDef(factory.loadingComp)) {
|
||||
return factory.loadingComp
|
||||
}
|
||||
|
||||
if (isDef(factory.contexts)) {
|
||||
// already pending
|
||||
factory.contexts.push(context)
|
||||
} else {
|
||||
const contexts = factory.contexts = [context]
|
||||
let sync = true
|
||||
|
||||
const forceRender = () => {
|
||||
for (let i = 0, l = contexts.length; i < l; i++) {
|
||||
contexts[i].$forceUpdate()
|
||||
}
|
||||
}
|
||||
|
||||
const resolve = once((res: Object | Class<Component>) => {
|
||||
// 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()
|
||||
}
|
||||
})
|
||||
|
||||
const reject = once(reason => {
|
||||
process.env.NODE_ENV !== 'production' && warn(
|
||||
`Failed to resolve async component: ${String(factory)}` +
|
||||
(reason ? `\nReason: ${reason}` : '')
|
||||
)
|
||||
if (isDef(factory.errorComp)) {
|
||||
factory.error = true
|
||||
forceRender()
|
||||
}
|
||||
})
|
||||
|
||||
const res = factory(resolve, reject)
|
||||
|
||||
if (isObject(res)) {
|
||||
if (typeof res.then === 'function') {
|
||||
// () => Promise
|
||||
if (isUndef(factory.resolved)) {
|
||||
res.then(resolve, reject)
|
||||
}
|
||||
} else if (isDef(res.component) && typeof res.component.then === 'function') {
|
||||
res.component.then(resolve, reject)
|
||||
|
||||
if (isDef(res.error)) {
|
||||
factory.errorComp = ensureCtor(res.error, baseCtor)
|
||||
}
|
||||
|
||||
if (isDef(res.loading)) {
|
||||
factory.loadingComp = ensureCtor(res.loading, baseCtor)
|
||||
if (res.delay === 0) {
|
||||
factory.loading = true
|
||||
} else {
|
||||
setTimeout(() => {
|
||||
if (isUndef(factory.resolved) && isUndef(factory.error)) {
|
||||
factory.loading = true
|
||||
forceRender()
|
||||
}
|
||||
}, res.delay || 200)
|
||||
}
|
||||
}
|
||||
|
||||
if (isDef(res.timeout)) {
|
||||
setTimeout(() => {
|
||||
if (isUndef(factory.resolved)) {
|
||||
reject(
|
||||
process.env.NODE_ENV !== 'production'
|
||||
? `timeout (${res.timeout}ms)`
|
||||
: null
|
||||
)
|
||||
}
|
||||
}, res.timeout)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
sync = false
|
||||
// return in case resolved synchronously
|
||||
return factory.loading
|
||||
? factory.loadingComp
|
||||
: factory.resolved
|
||||
}
|
||||
}
|
||||
+83
@@ -0,0 +1,83 @@
|
||||
/* @flow */
|
||||
|
||||
import { warn } from 'core/util/index'
|
||||
import { cached, isUndef, isPlainObject } from 'shared/util'
|
||||
|
||||
const normalizeEvent = cached((name: string): {
|
||||
name: string,
|
||||
once: boolean,
|
||||
capture: boolean,
|
||||
passive: boolean,
|
||||
handler?: Function,
|
||||
params?: Array<any>
|
||||
} => {
|
||||
const passive = name.charAt(0) === '&'
|
||||
name = passive ? name.slice(1) : name
|
||||
const once = name.charAt(0) === '~' // Prefixed last, checked first
|
||||
name = once ? name.slice(1) : name
|
||||
const capture = name.charAt(0) === '!'
|
||||
name = capture ? name.slice(1) : name
|
||||
return {
|
||||
name,
|
||||
once,
|
||||
capture,
|
||||
passive
|
||||
}
|
||||
})
|
||||
|
||||
export function createFnInvoker (fns: Function | Array<Function>): Function {
|
||||
function invoker () {
|
||||
const fns = invoker.fns
|
||||
if (Array.isArray(fns)) {
|
||||
const cloned = fns.slice()
|
||||
for (let i = 0; i < cloned.length; i++) {
|
||||
cloned[i].apply(null, arguments)
|
||||
}
|
||||
} else {
|
||||
// return handler return value for single handlers
|
||||
return fns.apply(null, arguments)
|
||||
}
|
||||
}
|
||||
invoker.fns = fns
|
||||
return invoker
|
||||
}
|
||||
|
||||
export function updateListeners (
|
||||
on: Object,
|
||||
oldOn: Object,
|
||||
add: Function,
|
||||
remove: Function,
|
||||
vm: Component
|
||||
) {
|
||||
let name, def, cur, old, event
|
||||
for (name in on) {
|
||||
def = cur = on[name]
|
||||
old = oldOn[name]
|
||||
event = normalizeEvent(name)
|
||||
/* istanbul ignore if */
|
||||
if (__WEEX__ && isPlainObject(def)) {
|
||||
cur = def.handler
|
||||
event.params = def.params
|
||||
}
|
||||
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)
|
||||
}
|
||||
add(event.name, cur, event.once, 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(event.name, oldOn[name], event.capture)
|
||||
}
|
||||
}
|
||||
}
|
||||
+119
@@ -0,0 +1,119 @@
|
||||
/* @flow */
|
||||
|
||||
import { emptyNode } from 'core/vdom/patch'
|
||||
import { resolveAsset, handleError } from 'core/util/index'
|
||||
import { mergeVNodeHook } from 'core/vdom/helpers/index'
|
||||
|
||||
export default {
|
||||
create: updateDirectives,
|
||||
update: updateDirectives,
|
||||
destroy: function unbindDirectives (vnode: VNodeWithData) {
|
||||
updateDirectives(vnode, emptyNode)
|
||||
}
|
||||
}
|
||||
|
||||
function updateDirectives (oldVnode: VNodeWithData, vnode: VNodeWithData) {
|
||||
if (oldVnode.data.directives || vnode.data.directives) {
|
||||
_update(oldVnode, vnode)
|
||||
}
|
||||
}
|
||||
|
||||
function _update (oldVnode, vnode) {
|
||||
const isCreate = oldVnode === emptyNode
|
||||
const isDestroy = vnode === emptyNode
|
||||
const oldDirs = normalizeDirectives(oldVnode.data.directives, oldVnode.context)
|
||||
const newDirs = normalizeDirectives(vnode.data.directives, vnode.context)
|
||||
|
||||
const dirsWithInsert = []
|
||||
const dirsWithPostpatch = []
|
||||
|
||||
let key, oldDir, dir
|
||||
for (key in newDirs) {
|
||||
oldDir = oldDirs[key]
|
||||
dir = newDirs[key]
|
||||
if (!oldDir) {
|
||||
// new directive, bind
|
||||
callHook(dir, 'bind', vnode, oldVnode)
|
||||
if (dir.def && dir.def.inserted) {
|
||||
dirsWithInsert.push(dir)
|
||||
}
|
||||
} else {
|
||||
// existing directive, update
|
||||
dir.oldValue = oldDir.value
|
||||
callHook(dir, 'update', vnode, oldVnode)
|
||||
if (dir.def && dir.def.componentUpdated) {
|
||||
dirsWithPostpatch.push(dir)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (dirsWithInsert.length) {
|
||||
const callInsert = () => {
|
||||
for (let i = 0; i < dirsWithInsert.length; i++) {
|
||||
callHook(dirsWithInsert[i], 'inserted', vnode, oldVnode)
|
||||
}
|
||||
}
|
||||
if (isCreate) {
|
||||
mergeVNodeHook(vnode, 'insert', callInsert)
|
||||
} else {
|
||||
callInsert()
|
||||
}
|
||||
}
|
||||
|
||||
if (dirsWithPostpatch.length) {
|
||||
mergeVNodeHook(vnode, 'postpatch', () => {
|
||||
for (let i = 0; i < dirsWithPostpatch.length; i++) {
|
||||
callHook(dirsWithPostpatch[i], 'componentUpdated', vnode, oldVnode)
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
if (!isCreate) {
|
||||
for (key in oldDirs) {
|
||||
if (!newDirs[key]) {
|
||||
// no longer present, unbind
|
||||
callHook(oldDirs[key], 'unbind', oldVnode, oldVnode, isDestroy)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
const emptyModifiers = Object.create(null)
|
||||
|
||||
function normalizeDirectives (
|
||||
dirs: ?Array<VNodeDirective>,
|
||||
vm: Component
|
||||
): { [key: string]: VNodeDirective } {
|
||||
const res = Object.create(null)
|
||||
if (!dirs) {
|
||||
// $flow-disable-line
|
||||
return res
|
||||
}
|
||||
let i, dir
|
||||
for (i = 0; i < dirs.length; i++) {
|
||||
dir = dirs[i]
|
||||
if (!dir.modifiers) {
|
||||
// $flow-disable-line
|
||||
dir.modifiers = emptyModifiers
|
||||
}
|
||||
res[getRawDirName(dir)] = dir
|
||||
dir.def = resolveAsset(vm.$options, 'directives', dir.name, true)
|
||||
}
|
||||
// $flow-disable-line
|
||||
return res
|
||||
}
|
||||
|
||||
function getRawDirName (dir: VNodeDirective): string {
|
||||
return dir.rawName || `${dir.name}.${Object.keys(dir.modifiers || {}).join('.')}`
|
||||
}
|
||||
|
||||
function callHook (dir, hook, vnode, oldVnode, isDestroy) {
|
||||
const fn = dir.def && dir.def[hook]
|
||||
if (fn) {
|
||||
try {
|
||||
fn(vnode.elm, dir, vnode, oldVnode, isDestroy)
|
||||
} catch (e) {
|
||||
handleError(e, vnode.context, `directive ${dir.name} ${hook} hook`)
|
||||
}
|
||||
}
|
||||
}
|
||||
+7
@@ -0,0 +1,7 @@
|
||||
import directives from './directives'
|
||||
import ref from './ref'
|
||||
|
||||
export default [
|
||||
ref,
|
||||
directives
|
||||
]
|
||||
+45
@@ -0,0 +1,45 @@
|
||||
/* @flow */
|
||||
|
||||
import { remove, isDef } from 'shared/util'
|
||||
|
||||
export default {
|
||||
create (_: any, vnode: VNodeWithData) {
|
||||
registerRef(vnode)
|
||||
},
|
||||
update (oldVnode: VNodeWithData, vnode: VNodeWithData) {
|
||||
if (oldVnode.data.ref !== vnode.data.ref) {
|
||||
registerRef(oldVnode, true)
|
||||
registerRef(vnode)
|
||||
}
|
||||
},
|
||||
destroy (vnode: VNodeWithData) {
|
||||
registerRef(vnode, true)
|
||||
}
|
||||
}
|
||||
|
||||
export function registerRef (vnode: VNodeWithData, isRemoval: ?boolean) {
|
||||
const key = vnode.data.ref
|
||||
if (!isDef(key)) return
|
||||
|
||||
const vm = vnode.context
|
||||
const ref = vnode.componentInstance || vnode.elm
|
||||
const refs = vm.$refs
|
||||
if (isRemoval) {
|
||||
if (Array.isArray(refs[key])) {
|
||||
remove(refs[key], ref)
|
||||
} else if (refs[key] === ref) {
|
||||
refs[key] = undefined
|
||||
}
|
||||
} else {
|
||||
if (vnode.data.refInFor) {
|
||||
if (!Array.isArray(refs[key])) {
|
||||
refs[key] = [ref]
|
||||
} else if (refs[key].indexOf(ref) < 0) {
|
||||
// $flow-disable-line
|
||||
refs[key].push(ref)
|
||||
}
|
||||
} else {
|
||||
refs[key] = ref
|
||||
}
|
||||
}
|
||||
}
|
||||
+787
@@ -0,0 +1,787 @@
|
||||
/**
|
||||
* Virtual DOM patching algorithm based on Snabbdom by
|
||||
* Simon Friis Vindum (@paldepind)
|
||||
* Licensed under the MIT License
|
||||
* https://github.com/paldepind/snabbdom/blob/master/LICENSE
|
||||
*
|
||||
* modified by Evan You (@yyx990803)
|
||||
*
|
||||
* Not type-checking this because this file is perf-critical and the cost
|
||||
* of making flow understand it is not worth it.
|
||||
*/
|
||||
|
||||
import VNode, { cloneVNode } from './vnode'
|
||||
import config from '../config'
|
||||
import { SSR_ATTR } from 'shared/constants'
|
||||
import { registerRef } from './modules/ref'
|
||||
import { traverse } from '../observer/traverse'
|
||||
import { activeInstance } from '../instance/lifecycle'
|
||||
import { isTextInputType } from 'web/util/element'
|
||||
|
||||
import {
|
||||
warn,
|
||||
isDef,
|
||||
isUndef,
|
||||
isTrue,
|
||||
makeMap,
|
||||
isRegExp,
|
||||
isPrimitive
|
||||
} from '../util/index'
|
||||
|
||||
export const emptyNode = new VNode('', {}, [])
|
||||
|
||||
const hooks = ['create', 'activate', 'update', 'remove', 'destroy']
|
||||
|
||||
function sameVnode (a, b) {
|
||||
return (
|
||||
a.key === b.key && (
|
||||
(
|
||||
a.tag === b.tag &&
|
||||
a.isComment === b.isComment &&
|
||||
isDef(a.data) === isDef(b.data) &&
|
||||
sameInputType(a, b)
|
||||
) || (
|
||||
isTrue(a.isAsyncPlaceholder) &&
|
||||
a.asyncFactory === b.asyncFactory &&
|
||||
isUndef(b.asyncFactory.error)
|
||||
)
|
||||
)
|
||||
)
|
||||
}
|
||||
|
||||
function sameInputType (a, b) {
|
||||
if (a.tag !== 'input') return true
|
||||
let i
|
||||
const typeA = isDef(i = a.data) && isDef(i = i.attrs) && i.type
|
||||
const typeB = isDef(i = b.data) && isDef(i = i.attrs) && i.type
|
||||
return typeA === typeB || isTextInputType(typeA) && isTextInputType(typeB)
|
||||
}
|
||||
|
||||
function createKeyToOldIdx (children, beginIdx, endIdx) {
|
||||
let i, key
|
||||
const map = {}
|
||||
for (i = beginIdx; i <= endIdx; ++i) {
|
||||
key = children[i].key
|
||||
if (isDef(key)) map[key] = i
|
||||
}
|
||||
return map
|
||||
}
|
||||
|
||||
export function createPatchFunction (backend) {
|
||||
let i, j
|
||||
const cbs = {}
|
||||
|
||||
const { modules, nodeOps } = backend
|
||||
|
||||
for (i = 0; i < hooks.length; ++i) {
|
||||
cbs[hooks[i]] = []
|
||||
for (j = 0; j < modules.length; ++j) {
|
||||
if (isDef(modules[j][hooks[i]])) {
|
||||
cbs[hooks[i]].push(modules[j][hooks[i]])
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function emptyNodeAt (elm) {
|
||||
return new VNode(nodeOps.tagName(elm).toLowerCase(), {}, [], undefined, elm)
|
||||
}
|
||||
|
||||
function createRmCb (childElm, listeners) {
|
||||
function remove () {
|
||||
if (--remove.listeners === 0) {
|
||||
removeNode(childElm)
|
||||
}
|
||||
}
|
||||
remove.listeners = listeners
|
||||
return remove
|
||||
}
|
||||
|
||||
function removeNode (el) {
|
||||
const parent = nodeOps.parentNode(el)
|
||||
// element may have already been removed due to v-html / v-text
|
||||
if (isDef(parent)) {
|
||||
nodeOps.removeChild(parent, el)
|
||||
}
|
||||
}
|
||||
|
||||
function isUnknownElement (vnode, inVPre) {
|
||||
return (
|
||||
!inVPre &&
|
||||
!vnode.ns &&
|
||||
!(
|
||||
config.ignoredElements.length &&
|
||||
config.ignoredElements.some(ignore => {
|
||||
return isRegExp(ignore)
|
||||
? ignore.test(vnode.tag)
|
||||
: ignore === vnode.tag
|
||||
})
|
||||
) &&
|
||||
config.isUnknownElement(vnode.tag)
|
||||
)
|
||||
}
|
||||
|
||||
let creatingElmInVPre = 0
|
||||
|
||||
function createElm (
|
||||
vnode,
|
||||
insertedVnodeQueue,
|
||||
parentElm,
|
||||
refElm,
|
||||
nested,
|
||||
ownerArray,
|
||||
index
|
||||
) {
|
||||
if (isDef(vnode.elm) && isDef(ownerArray)) {
|
||||
// This vnode was used in a previous render!
|
||||
// now it's used as a new node, overwriting its elm would cause
|
||||
// potential patch errors down the road when it's used as an insertion
|
||||
// reference node. Instead, we clone the node on-demand before creating
|
||||
// associated DOM element for it.
|
||||
vnode = ownerArray[index] = cloneVNode(vnode)
|
||||
}
|
||||
|
||||
vnode.isRootInsert = !nested // for transition enter check
|
||||
if (createComponent(vnode, insertedVnodeQueue, parentElm, refElm)) {
|
||||
return
|
||||
}
|
||||
|
||||
const data = vnode.data
|
||||
const children = vnode.children
|
||||
const tag = vnode.tag
|
||||
if (isDef(tag)) {
|
||||
if (process.env.NODE_ENV !== 'production') {
|
||||
if (data && data.pre) {
|
||||
creatingElmInVPre++
|
||||
}
|
||||
if (isUnknownElement(vnode, creatingElmInVPre)) {
|
||||
warn(
|
||||
'Unknown custom element: <' + tag + '> - did you ' +
|
||||
'register the component correctly? For recursive components, ' +
|
||||
'make sure to provide the "name" option.',
|
||||
vnode.context
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
vnode.elm = vnode.ns
|
||||
? nodeOps.createElementNS(vnode.ns, tag)
|
||||
: nodeOps.createElement(tag, vnode)
|
||||
setScope(vnode)
|
||||
|
||||
/* istanbul ignore if */
|
||||
if (__WEEX__) {
|
||||
// in Weex, the default insertion order is parent-first.
|
||||
// List items can be optimized to use children-first insertion
|
||||
// with append="tree".
|
||||
const appendAsTree = isDef(data) && isTrue(data.appendAsTree)
|
||||
if (!appendAsTree) {
|
||||
if (isDef(data)) {
|
||||
invokeCreateHooks(vnode, insertedVnodeQueue)
|
||||
}
|
||||
insert(parentElm, vnode.elm, refElm)
|
||||
}
|
||||
createChildren(vnode, children, insertedVnodeQueue)
|
||||
if (appendAsTree) {
|
||||
if (isDef(data)) {
|
||||
invokeCreateHooks(vnode, insertedVnodeQueue)
|
||||
}
|
||||
insert(parentElm, vnode.elm, refElm)
|
||||
}
|
||||
} else {
|
||||
createChildren(vnode, children, insertedVnodeQueue)
|
||||
if (isDef(data)) {
|
||||
invokeCreateHooks(vnode, insertedVnodeQueue)
|
||||
}
|
||||
insert(parentElm, vnode.elm, refElm)
|
||||
}
|
||||
|
||||
if (process.env.NODE_ENV !== 'production' && data && data.pre) {
|
||||
creatingElmInVPre--
|
||||
}
|
||||
} else if (isTrue(vnode.isComment)) {
|
||||
vnode.elm = nodeOps.createComment(vnode.text)
|
||||
insert(parentElm, vnode.elm, refElm)
|
||||
} else {
|
||||
vnode.elm = nodeOps.createTextNode(vnode.text)
|
||||
insert(parentElm, vnode.elm, refElm)
|
||||
}
|
||||
}
|
||||
|
||||
function createComponent (vnode, insertedVnodeQueue, parentElm, refElm) {
|
||||
let i = vnode.data
|
||||
if (isDef(i)) {
|
||||
const isReactivated = isDef(vnode.componentInstance) && i.keepAlive
|
||||
if (isDef(i = i.hook) && isDef(i = i.init)) {
|
||||
i(vnode, false /* hydrating */, parentElm, refElm)
|
||||
}
|
||||
// after calling the init hook, if the vnode is a child component
|
||||
// it should've created a child instance and mounted it. the child
|
||||
// component also has set the placeholder vnode's elm.
|
||||
// in that case we can just return the element and be done.
|
||||
if (isDef(vnode.componentInstance)) {
|
||||
initComponent(vnode, insertedVnodeQueue)
|
||||
if (isTrue(isReactivated)) {
|
||||
reactivateComponent(vnode, insertedVnodeQueue, parentElm, refElm)
|
||||
}
|
||||
return true
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function initComponent (vnode, insertedVnodeQueue) {
|
||||
if (isDef(vnode.data.pendingInsert)) {
|
||||
insertedVnodeQueue.push.apply(insertedVnodeQueue, vnode.data.pendingInsert)
|
||||
vnode.data.pendingInsert = null
|
||||
}
|
||||
vnode.elm = vnode.componentInstance.$el
|
||||
if (isPatchable(vnode)) {
|
||||
invokeCreateHooks(vnode, insertedVnodeQueue)
|
||||
setScope(vnode)
|
||||
} else {
|
||||
// empty component root.
|
||||
// skip all element-related modules except for ref (#3455)
|
||||
registerRef(vnode)
|
||||
// make sure to invoke the insert hook
|
||||
insertedVnodeQueue.push(vnode)
|
||||
}
|
||||
}
|
||||
|
||||
function reactivateComponent (vnode, insertedVnodeQueue, parentElm, refElm) {
|
||||
let i
|
||||
// hack for #4339: a reactivated component with inner transition
|
||||
// does not trigger because the inner node's created hooks are not called
|
||||
// again. It's not ideal to involve module-specific logic in here but
|
||||
// there doesn't seem to be a better way to do it.
|
||||
let innerNode = vnode
|
||||
while (innerNode.componentInstance) {
|
||||
innerNode = innerNode.componentInstance._vnode
|
||||
if (isDef(i = innerNode.data) && isDef(i = i.transition)) {
|
||||
for (i = 0; i < cbs.activate.length; ++i) {
|
||||
cbs.activate[i](emptyNode, innerNode)
|
||||
}
|
||||
insertedVnodeQueue.push(innerNode)
|
||||
break
|
||||
}
|
||||
}
|
||||
// unlike a newly created component,
|
||||
// a reactivated keep-alive component doesn't insert itself
|
||||
insert(parentElm, vnode.elm, refElm)
|
||||
}
|
||||
|
||||
function insert (parent, elm, ref) {
|
||||
if (isDef(parent)) {
|
||||
if (isDef(ref)) {
|
||||
if (ref.parentNode === parent) {
|
||||
nodeOps.insertBefore(parent, elm, ref)
|
||||
}
|
||||
} else {
|
||||
nodeOps.appendChild(parent, elm)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function createChildren (vnode, children, insertedVnodeQueue) {
|
||||
if (Array.isArray(children)) {
|
||||
if (process.env.NODE_ENV !== 'production') {
|
||||
checkDuplicateKeys(children)
|
||||
}
|
||||
for (let i = 0; i < children.length; ++i) {
|
||||
createElm(children[i], insertedVnodeQueue, vnode.elm, null, true, children, i)
|
||||
}
|
||||
} else if (isPrimitive(vnode.text)) {
|
||||
nodeOps.appendChild(vnode.elm, nodeOps.createTextNode(String(vnode.text)))
|
||||
}
|
||||
}
|
||||
|
||||
function isPatchable (vnode) {
|
||||
while (vnode.componentInstance) {
|
||||
vnode = vnode.componentInstance._vnode
|
||||
}
|
||||
return isDef(vnode.tag)
|
||||
}
|
||||
|
||||
function invokeCreateHooks (vnode, insertedVnodeQueue) {
|
||||
for (let i = 0; i < cbs.create.length; ++i) {
|
||||
cbs.create[i](emptyNode, vnode)
|
||||
}
|
||||
i = vnode.data.hook // Reuse variable
|
||||
if (isDef(i)) {
|
||||
if (isDef(i.create)) i.create(emptyNode, vnode)
|
||||
if (isDef(i.insert)) insertedVnodeQueue.push(vnode)
|
||||
}
|
||||
}
|
||||
|
||||
// set scope id attribute for scoped CSS.
|
||||
// this is implemented as a special case to avoid the overhead
|
||||
// of going through the normal attribute patching process.
|
||||
function setScope (vnode) {
|
||||
let i
|
||||
if (isDef(i = vnode.fnScopeId)) {
|
||||
nodeOps.setStyleScope(vnode.elm, i)
|
||||
} else {
|
||||
let ancestor = vnode
|
||||
while (ancestor) {
|
||||
if (isDef(i = ancestor.context) && isDef(i = i.$options._scopeId)) {
|
||||
nodeOps.setStyleScope(vnode.elm, i)
|
||||
}
|
||||
ancestor = ancestor.parent
|
||||
}
|
||||
}
|
||||
// for slot content they should also get the scopeId from the host instance.
|
||||
if (isDef(i = activeInstance) &&
|
||||
i !== vnode.context &&
|
||||
i !== vnode.fnContext &&
|
||||
isDef(i = i.$options._scopeId)
|
||||
) {
|
||||
nodeOps.setStyleScope(vnode.elm, i)
|
||||
}
|
||||
}
|
||||
|
||||
function addVnodes (parentElm, refElm, vnodes, startIdx, endIdx, insertedVnodeQueue) {
|
||||
for (; startIdx <= endIdx; ++startIdx) {
|
||||
createElm(vnodes[startIdx], insertedVnodeQueue, parentElm, refElm, false, vnodes, startIdx)
|
||||
}
|
||||
}
|
||||
|
||||
function invokeDestroyHook (vnode) {
|
||||
let i, j
|
||||
const data = vnode.data
|
||||
if (isDef(data)) {
|
||||
if (isDef(i = data.hook) && isDef(i = i.destroy)) i(vnode)
|
||||
for (i = 0; i < cbs.destroy.length; ++i) cbs.destroy[i](vnode)
|
||||
}
|
||||
if (isDef(i = vnode.children)) {
|
||||
for (j = 0; j < vnode.children.length; ++j) {
|
||||
invokeDestroyHook(vnode.children[j])
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function removeVnodes (parentElm, vnodes, startIdx, endIdx) {
|
||||
for (; startIdx <= endIdx; ++startIdx) {
|
||||
const ch = vnodes[startIdx]
|
||||
if (isDef(ch)) {
|
||||
if (isDef(ch.tag)) {
|
||||
removeAndInvokeRemoveHook(ch)
|
||||
invokeDestroyHook(ch)
|
||||
} else { // Text node
|
||||
removeNode(ch.elm)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function removeAndInvokeRemoveHook (vnode, rm) {
|
||||
if (isDef(rm) || isDef(vnode.data)) {
|
||||
let i
|
||||
const listeners = cbs.remove.length + 1
|
||||
if (isDef(rm)) {
|
||||
// we have a recursively passed down rm callback
|
||||
// increase the listeners count
|
||||
rm.listeners += listeners
|
||||
} else {
|
||||
// directly removing
|
||||
rm = createRmCb(vnode.elm, listeners)
|
||||
}
|
||||
// recursively invoke hooks on child component root node
|
||||
if (isDef(i = vnode.componentInstance) && isDef(i = i._vnode) && isDef(i.data)) {
|
||||
removeAndInvokeRemoveHook(i, rm)
|
||||
}
|
||||
for (i = 0; i < cbs.remove.length; ++i) {
|
||||
cbs.remove[i](vnode, rm)
|
||||
}
|
||||
if (isDef(i = vnode.data.hook) && isDef(i = i.remove)) {
|
||||
i(vnode, rm)
|
||||
} else {
|
||||
rm()
|
||||
}
|
||||
} else {
|
||||
removeNode(vnode.elm)
|
||||
}
|
||||
}
|
||||
|
||||
function updateChildren (parentElm, oldCh, newCh, insertedVnodeQueue, removeOnly) {
|
||||
let oldStartIdx = 0
|
||||
let newStartIdx = 0
|
||||
let oldEndIdx = oldCh.length - 1
|
||||
let oldStartVnode = oldCh[0]
|
||||
let oldEndVnode = oldCh[oldEndIdx]
|
||||
let newEndIdx = newCh.length - 1
|
||||
let newStartVnode = newCh[0]
|
||||
let newEndVnode = newCh[newEndIdx]
|
||||
let oldKeyToIdx, idxInOld, vnodeToMove, refElm
|
||||
|
||||
// removeOnly is a special flag used only by <transition-group>
|
||||
// to ensure removed elements stay in correct relative positions
|
||||
// during leaving transitions
|
||||
const canMove = !removeOnly
|
||||
|
||||
if (process.env.NODE_ENV !== 'production') {
|
||||
checkDuplicateKeys(newCh)
|
||||
}
|
||||
|
||||
while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) {
|
||||
if (isUndef(oldStartVnode)) {
|
||||
oldStartVnode = oldCh[++oldStartIdx] // Vnode has been moved left
|
||||
} else if (isUndef(oldEndVnode)) {
|
||||
oldEndVnode = oldCh[--oldEndIdx]
|
||||
} else if (sameVnode(oldStartVnode, newStartVnode)) {
|
||||
patchVnode(oldStartVnode, newStartVnode, insertedVnodeQueue)
|
||||
oldStartVnode = oldCh[++oldStartIdx]
|
||||
newStartVnode = newCh[++newStartIdx]
|
||||
} else if (sameVnode(oldEndVnode, newEndVnode)) {
|
||||
patchVnode(oldEndVnode, newEndVnode, insertedVnodeQueue)
|
||||
oldEndVnode = oldCh[--oldEndIdx]
|
||||
newEndVnode = newCh[--newEndIdx]
|
||||
} else if (sameVnode(oldStartVnode, newEndVnode)) { // Vnode moved right
|
||||
patchVnode(oldStartVnode, newEndVnode, insertedVnodeQueue)
|
||||
canMove && nodeOps.insertBefore(parentElm, oldStartVnode.elm, nodeOps.nextSibling(oldEndVnode.elm))
|
||||
oldStartVnode = oldCh[++oldStartIdx]
|
||||
newEndVnode = newCh[--newEndIdx]
|
||||
} else if (sameVnode(oldEndVnode, newStartVnode)) { // Vnode moved left
|
||||
patchVnode(oldEndVnode, newStartVnode, insertedVnodeQueue)
|
||||
canMove && nodeOps.insertBefore(parentElm, oldEndVnode.elm, oldStartVnode.elm)
|
||||
oldEndVnode = oldCh[--oldEndIdx]
|
||||
newStartVnode = newCh[++newStartIdx]
|
||||
} else {
|
||||
if (isUndef(oldKeyToIdx)) oldKeyToIdx = createKeyToOldIdx(oldCh, oldStartIdx, oldEndIdx)
|
||||
idxInOld = isDef(newStartVnode.key)
|
||||
? oldKeyToIdx[newStartVnode.key]
|
||||
: findIdxInOld(newStartVnode, oldCh, oldStartIdx, oldEndIdx)
|
||||
if (isUndef(idxInOld)) { // New element
|
||||
createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm, false, newCh, newStartIdx)
|
||||
} else {
|
||||
vnodeToMove = oldCh[idxInOld]
|
||||
if (sameVnode(vnodeToMove, newStartVnode)) {
|
||||
patchVnode(vnodeToMove, newStartVnode, insertedVnodeQueue)
|
||||
oldCh[idxInOld] = undefined
|
||||
canMove && nodeOps.insertBefore(parentElm, vnodeToMove.elm, oldStartVnode.elm)
|
||||
} else {
|
||||
// same key but different element. treat as new element
|
||||
createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm, false, newCh, newStartIdx)
|
||||
}
|
||||
}
|
||||
newStartVnode = newCh[++newStartIdx]
|
||||
}
|
||||
}
|
||||
if (oldStartIdx > oldEndIdx) {
|
||||
refElm = isUndef(newCh[newEndIdx + 1]) ? null : newCh[newEndIdx + 1].elm
|
||||
addVnodes(parentElm, refElm, newCh, newStartIdx, newEndIdx, insertedVnodeQueue)
|
||||
} else if (newStartIdx > newEndIdx) {
|
||||
removeVnodes(parentElm, oldCh, oldStartIdx, oldEndIdx)
|
||||
}
|
||||
}
|
||||
|
||||
function checkDuplicateKeys (children) {
|
||||
const seenKeys = {}
|
||||
for (let i = 0; i < children.length; i++) {
|
||||
const vnode = children[i]
|
||||
const key = vnode.key
|
||||
if (isDef(key)) {
|
||||
if (seenKeys[key]) {
|
||||
warn(
|
||||
`Duplicate keys detected: '${key}'. This may cause an update error.`,
|
||||
vnode.context
|
||||
)
|
||||
} else {
|
||||
seenKeys[key] = true
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function findIdxInOld (node, oldCh, start, end) {
|
||||
for (let i = start; i < end; i++) {
|
||||
const c = oldCh[i]
|
||||
if (isDef(c) && sameVnode(node, c)) return i
|
||||
}
|
||||
}
|
||||
|
||||
function patchVnode (oldVnode, vnode, insertedVnodeQueue, removeOnly) {
|
||||
if (oldVnode === vnode) {
|
||||
return
|
||||
}
|
||||
|
||||
const elm = vnode.elm = oldVnode.elm
|
||||
|
||||
if (isTrue(oldVnode.isAsyncPlaceholder)) {
|
||||
if (isDef(vnode.asyncFactory.resolved)) {
|
||||
hydrate(oldVnode.elm, vnode, insertedVnodeQueue)
|
||||
} else {
|
||||
vnode.isAsyncPlaceholder = true
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
// reuse element for static trees.
|
||||
// note we only do this if the vnode is cloned -
|
||||
// if the new node is not cloned it means the render functions have been
|
||||
// reset by the hot-reload-api and we need to do a proper re-render.
|
||||
if (isTrue(vnode.isStatic) &&
|
||||
isTrue(oldVnode.isStatic) &&
|
||||
vnode.key === oldVnode.key &&
|
||||
(isTrue(vnode.isCloned) || isTrue(vnode.isOnce))
|
||||
) {
|
||||
vnode.componentInstance = oldVnode.componentInstance
|
||||
return
|
||||
}
|
||||
|
||||
let i
|
||||
const data = vnode.data
|
||||
if (isDef(data) && isDef(i = data.hook) && isDef(i = i.prepatch)) {
|
||||
i(oldVnode, vnode)
|
||||
}
|
||||
|
||||
const oldCh = oldVnode.children
|
||||
const ch = vnode.children
|
||||
if (isDef(data) && isPatchable(vnode)) {
|
||||
for (i = 0; i < cbs.update.length; ++i) cbs.update[i](oldVnode, vnode)
|
||||
if (isDef(i = data.hook) && isDef(i = i.update)) i(oldVnode, vnode)
|
||||
}
|
||||
if (isUndef(vnode.text)) {
|
||||
if (isDef(oldCh) && isDef(ch)) {
|
||||
if (oldCh !== ch) updateChildren(elm, oldCh, ch, insertedVnodeQueue, removeOnly)
|
||||
} else if (isDef(ch)) {
|
||||
if (isDef(oldVnode.text)) nodeOps.setTextContent(elm, '')
|
||||
addVnodes(elm, null, ch, 0, ch.length - 1, insertedVnodeQueue)
|
||||
} else if (isDef(oldCh)) {
|
||||
removeVnodes(elm, oldCh, 0, oldCh.length - 1)
|
||||
} else if (isDef(oldVnode.text)) {
|
||||
nodeOps.setTextContent(elm, '')
|
||||
}
|
||||
} else if (oldVnode.text !== vnode.text) {
|
||||
nodeOps.setTextContent(elm, vnode.text)
|
||||
}
|
||||
if (isDef(data)) {
|
||||
if (isDef(i = data.hook) && isDef(i = i.postpatch)) i(oldVnode, vnode)
|
||||
}
|
||||
}
|
||||
|
||||
function invokeInsertHook (vnode, queue, initial) {
|
||||
// delay insert hooks for component root nodes, invoke them after the
|
||||
// element is really inserted
|
||||
if (isTrue(initial) && isDef(vnode.parent)) {
|
||||
vnode.parent.data.pendingInsert = queue
|
||||
} else {
|
||||
for (let i = 0; i < queue.length; ++i) {
|
||||
queue[i].data.hook.insert(queue[i])
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
let hydrationBailed = false
|
||||
// list of modules that can skip create hook during hydration because they
|
||||
// are already rendered on the client or has no need for initialization
|
||||
// Note: style is excluded because it relies on initial clone for future
|
||||
// deep updates (#7063).
|
||||
const isRenderedModule = makeMap('attrs,class,staticClass,staticStyle,key')
|
||||
|
||||
// Note: this is a browser-only function so we can assume elms are DOM nodes.
|
||||
function hydrate (elm, vnode, insertedVnodeQueue, inVPre) {
|
||||
let i
|
||||
const { tag, data, children } = vnode
|
||||
inVPre = inVPre || (data && data.pre)
|
||||
vnode.elm = elm
|
||||
|
||||
if (isTrue(vnode.isComment) && isDef(vnode.asyncFactory)) {
|
||||
vnode.isAsyncPlaceholder = true
|
||||
return true
|
||||
}
|
||||
// assert node match
|
||||
if (process.env.NODE_ENV !== 'production') {
|
||||
if (!assertNodeMatch(elm, vnode, inVPre)) {
|
||||
return false
|
||||
}
|
||||
}
|
||||
if (isDef(data)) {
|
||||
if (isDef(i = data.hook) && isDef(i = i.init)) i(vnode, true /* hydrating */)
|
||||
if (isDef(i = vnode.componentInstance)) {
|
||||
// child component. it should have hydrated its own tree.
|
||||
initComponent(vnode, insertedVnodeQueue)
|
||||
return true
|
||||
}
|
||||
}
|
||||
if (isDef(tag)) {
|
||||
if (isDef(children)) {
|
||||
// empty element, allow client to pick up and populate children
|
||||
if (!elm.hasChildNodes()) {
|
||||
createChildren(vnode, children, insertedVnodeQueue)
|
||||
} else {
|
||||
// v-html and domProps: innerHTML
|
||||
if (isDef(i = data) && isDef(i = i.domProps) && isDef(i = i.innerHTML)) {
|
||||
if (i !== elm.innerHTML) {
|
||||
/* istanbul ignore if */
|
||||
if (process.env.NODE_ENV !== 'production' &&
|
||||
typeof console !== 'undefined' &&
|
||||
!hydrationBailed
|
||||
) {
|
||||
hydrationBailed = true
|
||||
console.warn('Parent: ', elm)
|
||||
console.warn('server innerHTML: ', i)
|
||||
console.warn('client innerHTML: ', elm.innerHTML)
|
||||
}
|
||||
return false
|
||||
}
|
||||
} else {
|
||||
// iterate and compare children lists
|
||||
let childrenMatch = true
|
||||
let childNode = elm.firstChild
|
||||
for (let i = 0; i < children.length; i++) {
|
||||
if (!childNode || !hydrate(childNode, children[i], insertedVnodeQueue, inVPre)) {
|
||||
childrenMatch = false
|
||||
break
|
||||
}
|
||||
childNode = childNode.nextSibling
|
||||
}
|
||||
// if childNode is not null, it means the actual childNodes list is
|
||||
// longer than the virtual children list.
|
||||
if (!childrenMatch || childNode) {
|
||||
/* istanbul ignore if */
|
||||
if (process.env.NODE_ENV !== 'production' &&
|
||||
typeof console !== 'undefined' &&
|
||||
!hydrationBailed
|
||||
) {
|
||||
hydrationBailed = true
|
||||
console.warn('Parent: ', elm)
|
||||
console.warn('Mismatching childNodes vs. VNodes: ', elm.childNodes, children)
|
||||
}
|
||||
return false
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
if (isDef(data)) {
|
||||
let fullInvoke = false
|
||||
for (const key in data) {
|
||||
if (!isRenderedModule(key)) {
|
||||
fullInvoke = true
|
||||
invokeCreateHooks(vnode, insertedVnodeQueue)
|
||||
break
|
||||
}
|
||||
}
|
||||
if (!fullInvoke && data['class']) {
|
||||
// ensure collecting deps for deep class bindings for future updates
|
||||
traverse(data['class'])
|
||||
}
|
||||
}
|
||||
} else if (elm.data !== vnode.text) {
|
||||
elm.data = vnode.text
|
||||
}
|
||||
return true
|
||||
}
|
||||
|
||||
function assertNodeMatch (node, vnode, inVPre) {
|
||||
if (isDef(vnode.tag)) {
|
||||
return vnode.tag.indexOf('vue-component') === 0 || (
|
||||
!isUnknownElement(vnode, inVPre) &&
|
||||
vnode.tag.toLowerCase() === (node.tagName && node.tagName.toLowerCase())
|
||||
)
|
||||
} else {
|
||||
return node.nodeType === (vnode.isComment ? 8 : 3)
|
||||
}
|
||||
}
|
||||
|
||||
return function patch (oldVnode, vnode, hydrating, removeOnly, parentElm, refElm) {
|
||||
if (isUndef(vnode)) {
|
||||
if (isDef(oldVnode)) invokeDestroyHook(oldVnode)
|
||||
return
|
||||
}
|
||||
|
||||
let isInitialPatch = false
|
||||
const insertedVnodeQueue = []
|
||||
|
||||
if (isUndef(oldVnode)) {
|
||||
// empty mount (likely as component), create new root element
|
||||
isInitialPatch = true
|
||||
createElm(vnode, insertedVnodeQueue, parentElm, refElm)
|
||||
} else {
|
||||
const isRealElement = isDef(oldVnode.nodeType)
|
||||
if (!isRealElement && sameVnode(oldVnode, vnode)) {
|
||||
// patch existing root node
|
||||
patchVnode(oldVnode, vnode, insertedVnodeQueue, removeOnly)
|
||||
} else {
|
||||
if (isRealElement) {
|
||||
// mounting to a real element
|
||||
// check if this is server-rendered content and if we can perform
|
||||
// a successful hydration.
|
||||
if (oldVnode.nodeType === 1 && oldVnode.hasAttribute(SSR_ATTR)) {
|
||||
oldVnode.removeAttribute(SSR_ATTR)
|
||||
hydrating = true
|
||||
}
|
||||
if (isTrue(hydrating)) {
|
||||
if (hydrate(oldVnode, vnode, insertedVnodeQueue)) {
|
||||
invokeInsertHook(vnode, insertedVnodeQueue, true)
|
||||
return oldVnode
|
||||
} else if (process.env.NODE_ENV !== 'production') {
|
||||
warn(
|
||||
'The client-side rendered virtual DOM tree is not matching ' +
|
||||
'server-rendered content. This is likely caused by incorrect ' +
|
||||
'HTML markup, for example nesting block-level elements inside ' +
|
||||
'<p>, or missing <tbody>. Bailing hydration and performing ' +
|
||||
'full client-side render.'
|
||||
)
|
||||
}
|
||||
}
|
||||
// either not server-rendered, or hydration failed.
|
||||
// create an empty node and replace it
|
||||
oldVnode = emptyNodeAt(oldVnode)
|
||||
}
|
||||
|
||||
// replacing existing element
|
||||
const oldElm = oldVnode.elm
|
||||
const parentElm = nodeOps.parentNode(oldElm)
|
||||
|
||||
// create new node
|
||||
createElm(
|
||||
vnode,
|
||||
insertedVnodeQueue,
|
||||
// extremely rare edge case: do not insert if old element is in a
|
||||
// leaving transition. Only happens when combining transition +
|
||||
// keep-alive + HOCs. (#4590)
|
||||
oldElm._leaveCb ? null : parentElm,
|
||||
nodeOps.nextSibling(oldElm)
|
||||
)
|
||||
|
||||
// update parent placeholder node element, recursively
|
||||
if (isDef(vnode.parent)) {
|
||||
let ancestor = vnode.parent
|
||||
const patchable = isPatchable(vnode)
|
||||
while (ancestor) {
|
||||
for (let i = 0; i < cbs.destroy.length; ++i) {
|
||||
cbs.destroy[i](ancestor)
|
||||
}
|
||||
ancestor.elm = vnode.elm
|
||||
if (patchable) {
|
||||
for (let i = 0; i < cbs.create.length; ++i) {
|
||||
cbs.create[i](emptyNode, ancestor)
|
||||
}
|
||||
// #6513
|
||||
// invoke insert hooks that may have been merged by create hooks.
|
||||
// e.g. for directives that uses the "inserted" hook.
|
||||
const insert = ancestor.data.hook.insert
|
||||
if (insert.merged) {
|
||||
// start at index 1 to avoid re-invoking component mounted hook
|
||||
for (let i = 1; i < insert.fns.length; i++) {
|
||||
insert.fns[i]()
|
||||
}
|
||||
}
|
||||
} else {
|
||||
registerRef(ancestor)
|
||||
}
|
||||
ancestor = ancestor.parent
|
||||
}
|
||||
}
|
||||
|
||||
// destroy old node
|
||||
if (isDef(parentElm)) {
|
||||
removeVnodes(parentElm, [oldVnode], 0, 0)
|
||||
} else if (isDef(oldVnode.tag)) {
|
||||
invokeDestroyHook(oldVnode)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
invokeInsertHook(vnode, insertedVnodeQueue, isInitialPatch)
|
||||
return vnode.elm
|
||||
}
|
||||
}
|
||||
+108
@@ -0,0 +1,108 @@
|
||||
/* @flow */
|
||||
|
||||
export default class VNode {
|
||||
tag: string | void;
|
||||
data: VNodeData | void;
|
||||
children: ?Array<VNode>;
|
||||
text: string | void;
|
||||
elm: Node | void;
|
||||
ns: string | void;
|
||||
context: Component | void; // rendered in this component's scope
|
||||
key: string | number | void;
|
||||
componentOptions: VNodeComponentOptions | void;
|
||||
componentInstance: Component | void; // component instance
|
||||
parent: VNode | void; // component placeholder node
|
||||
|
||||
// strictly internal
|
||||
raw: boolean; // contains raw HTML? (server only)
|
||||
isStatic: boolean; // hoisted static node
|
||||
isRootInsert: boolean; // necessary for enter transition check
|
||||
isComment: boolean; // empty comment placeholder?
|
||||
isCloned: boolean; // is a cloned node?
|
||||
isOnce: boolean; // is a v-once node?
|
||||
asyncFactory: Function | void; // async component factory function
|
||||
asyncMeta: Object | void;
|
||||
isAsyncPlaceholder: boolean;
|
||||
ssrContext: Object | void;
|
||||
fnContext: Component | void; // real context vm for functional nodes
|
||||
fnOptions: ?ComponentOptions; // for SSR caching
|
||||
fnScopeId: ?string; // functional scope id support
|
||||
|
||||
constructor (
|
||||
tag?: string,
|
||||
data?: VNodeData,
|
||||
children?: ?Array<VNode>,
|
||||
text?: string,
|
||||
elm?: Node,
|
||||
context?: Component,
|
||||
componentOptions?: VNodeComponentOptions,
|
||||
asyncFactory?: Function
|
||||
) {
|
||||
this.tag = tag
|
||||
this.data = data
|
||||
this.children = children
|
||||
this.text = text
|
||||
this.elm = elm
|
||||
this.ns = undefined
|
||||
this.context = context
|
||||
this.fnContext = undefined
|
||||
this.fnOptions = undefined
|
||||
this.fnScopeId = undefined
|
||||
this.key = data && data.key
|
||||
this.componentOptions = componentOptions
|
||||
this.componentInstance = undefined
|
||||
this.parent = undefined
|
||||
this.raw = false
|
||||
this.isStatic = false
|
||||
this.isRootInsert = true
|
||||
this.isComment = false
|
||||
this.isCloned = false
|
||||
this.isOnce = false
|
||||
this.asyncFactory = asyncFactory
|
||||
this.asyncMeta = undefined
|
||||
this.isAsyncPlaceholder = false
|
||||
}
|
||||
|
||||
// DEPRECATED: alias for componentInstance for backwards compat.
|
||||
/* istanbul ignore next */
|
||||
get child (): Component | void {
|
||||
return this.componentInstance
|
||||
}
|
||||
}
|
||||
|
||||
export const createEmptyVNode = (text: string = '') => {
|
||||
const node = new VNode()
|
||||
node.text = text
|
||||
node.isComment = true
|
||||
return node
|
||||
}
|
||||
|
||||
export function createTextVNode (val: string | number) {
|
||||
return new VNode(undefined, undefined, undefined, String(val))
|
||||
}
|
||||
|
||||
// optimized shallow clone
|
||||
// used for static nodes and slot nodes because they may be reused across
|
||||
// multiple renders, cloning them avoids errors when DOM manipulations rely
|
||||
// on their elm reference.
|
||||
export function cloneVNode (vnode: VNode): VNode {
|
||||
const cloned = new VNode(
|
||||
vnode.tag,
|
||||
vnode.data,
|
||||
vnode.children,
|
||||
vnode.text,
|
||||
vnode.elm,
|
||||
vnode.context,
|
||||
vnode.componentOptions,
|
||||
vnode.asyncFactory
|
||||
)
|
||||
cloned.ns = vnode.ns
|
||||
cloned.isStatic = vnode.isStatic
|
||||
cloned.key = vnode.key
|
||||
cloned.isComment = vnode.isComment
|
||||
cloned.fnContext = vnode.fnContext
|
||||
cloned.fnOptions = vnode.fnOptions
|
||||
cloned.fnScopeId = vnode.fnScopeId
|
||||
cloned.isCloned = true
|
||||
return cloned
|
||||
}
|
||||
BIN
Binary file not shown.
+9
@@ -0,0 +1,9 @@
|
||||
/* @flow */
|
||||
|
||||
import { addProp } from 'compiler/helpers'
|
||||
|
||||
export default function html (el: ASTElement, dir: ASTDirective) {
|
||||
if (dir.value) {
|
||||
addProp(el, 'innerHTML', `_s(${dir.value})`)
|
||||
}
|
||||
}
|
||||
+9
@@ -0,0 +1,9 @@
|
||||
import model from './model'
|
||||
import text from './text'
|
||||
import html from './html'
|
||||
|
||||
export default {
|
||||
model,
|
||||
text,
|
||||
html
|
||||
}
|
||||
+172
@@ -0,0 +1,172 @@
|
||||
/* @flow */
|
||||
|
||||
import config from 'core/config'
|
||||
import { addHandler, addProp, getBindingAttr } from 'compiler/helpers'
|
||||
import { genComponentModel, genAssignmentCode } from 'compiler/directives/model'
|
||||
|
||||
let warn
|
||||
|
||||
// in some cases, the event used has to be determined at runtime
|
||||
// so we used some reserved tokens during compile.
|
||||
export const RANGE_TOKEN = '__r'
|
||||
export const CHECKBOX_RADIO_TOKEN = '__c'
|
||||
|
||||
export default function model (
|
||||
el: ASTElement,
|
||||
dir: ASTDirective,
|
||||
_warn: Function
|
||||
): ?boolean {
|
||||
warn = _warn
|
||||
const value = dir.value
|
||||
const modifiers = dir.modifiers
|
||||
const tag = el.tag
|
||||
const 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(
|
||||
`<${el.tag} v-model="${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 if (!config.isReservedTag(tag)) {
|
||||
genComponentModel(el, value, modifiers)
|
||||
// component v-model doesn't need extra runtime
|
||||
return false
|
||||
} else if (process.env.NODE_ENV !== 'production') {
|
||||
warn(
|
||||
`<${el.tag} v-model="${value}">: ` +
|
||||
`v-model is not supported on this element type. ` +
|
||||
'If you are working with contenteditable, it\'s recommended to ' +
|
||||
'wrap a library dedicated for that purpose inside a custom component.'
|
||||
)
|
||||
}
|
||||
|
||||
// ensure runtime directive metadata
|
||||
return true
|
||||
}
|
||||
|
||||
function genCheckboxModel (
|
||||
el: ASTElement,
|
||||
value: string,
|
||||
modifiers: ?ASTModifiers
|
||||
) {
|
||||
const number = modifiers && modifiers.number
|
||||
const valueBinding = getBindingAttr(el, 'value') || 'null'
|
||||
const trueValueBinding = getBindingAttr(el, 'true-value') || 'true'
|
||||
const 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, '$$c')}}`,
|
||||
null, true
|
||||
)
|
||||
}
|
||||
|
||||
function genRadioModel (
|
||||
el: ASTElement,
|
||||
value: string,
|
||||
modifiers: ?ASTModifiers
|
||||
) {
|
||||
const number = modifiers && modifiers.number
|
||||
let valueBinding = getBindingAttr(el, 'value') || 'null'
|
||||
valueBinding = number ? `_n(${valueBinding})` : valueBinding
|
||||
addProp(el, 'checked', `_q(${value},${valueBinding})`)
|
||||
addHandler(el, 'change', genAssignmentCode(value, valueBinding), null, true)
|
||||
}
|
||||
|
||||
function genSelect (
|
||||
el: ASTElement,
|
||||
value: string,
|
||||
modifiers: ?ASTModifiers
|
||||
) {
|
||||
const number = modifiers && modifiers.number
|
||||
const selectedVal = `Array.prototype.filter` +
|
||||
`.call($event.target.options,function(o){return o.selected})` +
|
||||
`.map(function(o){var val = "_value" in o ? o._value : o.value;` +
|
||||
`return ${number ? '_n(val)' : 'val'}})`
|
||||
|
||||
const assignment = '$event.target.multiple ? $$selectedVal : $$selectedVal[0]'
|
||||
let code = `var $$selectedVal = ${selectedVal};`
|
||||
code = `${code} ${genAssignmentCode(value, assignment)}`
|
||||
addHandler(el, 'change', code, null, true)
|
||||
}
|
||||
|
||||
function genDefaultModel (
|
||||
el: ASTElement,
|
||||
value: string,
|
||||
modifiers: ?ASTModifiers
|
||||
): ?boolean {
|
||||
const type = el.attrsMap.type
|
||||
|
||||
// warn if v-bind:value conflicts with v-model
|
||||
// except for inputs with v-bind:type
|
||||
if (process.env.NODE_ENV !== 'production') {
|
||||
const value = el.attrsMap['v-bind:value'] || el.attrsMap[':value']
|
||||
const typeBinding = el.attrsMap['v-bind:type'] || el.attrsMap[':type']
|
||||
if (value && !typeBinding) {
|
||||
const binding = el.attrsMap['v-bind:value'] ? 'v-bind:value' : ':value'
|
||||
warn(
|
||||
`${binding}="${value}" conflicts with v-model on the same element ` +
|
||||
'because the latter already expands to a value binding internally'
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
const { lazy, number, trim } = modifiers || {}
|
||||
const needCompositionGuard = !lazy && type !== 'range'
|
||||
const event = lazy
|
||||
? 'change'
|
||||
: type === 'range'
|
||||
? RANGE_TOKEN
|
||||
: 'input'
|
||||
|
||||
let valueExpression = '$event.target.value'
|
||||
if (trim) {
|
||||
valueExpression = `$event.target.value.trim()`
|
||||
}
|
||||
if (number) {
|
||||
valueExpression = `_n(${valueExpression})`
|
||||
}
|
||||
|
||||
let 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()')
|
||||
}
|
||||
}
|
||||
+9
@@ -0,0 +1,9 @@
|
||||
/* @flow */
|
||||
|
||||
import { addProp } from 'compiler/helpers'
|
||||
|
||||
export default function text (el: ASTElement, dir: ASTDirective) {
|
||||
if (dir.value) {
|
||||
addProp(el, 'textContent', `_s(${dir.value})`)
|
||||
}
|
||||
}
|
||||
+8
@@ -0,0 +1,8 @@
|
||||
/* @flow */
|
||||
|
||||
import { baseOptions } from './options'
|
||||
import { createCompiler } from 'compiler/index'
|
||||
|
||||
const { compile, compileToFunctions } = createCompiler(baseOptions)
|
||||
|
||||
export { compile, compileToFunctions }
|
||||
+48
@@ -0,0 +1,48 @@
|
||||
/* @flow */
|
||||
|
||||
import { parseText } from 'compiler/parser/text-parser'
|
||||
import {
|
||||
getAndRemoveAttr,
|
||||
getBindingAttr,
|
||||
baseWarn
|
||||
} from 'compiler/helpers'
|
||||
|
||||
function transformNode (el: ASTElement, options: CompilerOptions) {
|
||||
const warn = options.warn || baseWarn
|
||||
const staticClass = getAndRemoveAttr(el, 'class')
|
||||
if (process.env.NODE_ENV !== 'production' && staticClass) {
|
||||
const res = parseText(staticClass, options.delimiters)
|
||||
if (res) {
|
||||
warn(
|
||||
`class="${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)
|
||||
}
|
||||
const classBinding = getBindingAttr(el, 'class', false /* getStatic */)
|
||||
if (classBinding) {
|
||||
el.classBinding = classBinding
|
||||
}
|
||||
}
|
||||
|
||||
function genData (el: ASTElement): string {
|
||||
let data = ''
|
||||
if (el.staticClass) {
|
||||
data += `staticClass:${el.staticClass},`
|
||||
}
|
||||
if (el.classBinding) {
|
||||
data += `class:${el.classBinding},`
|
||||
}
|
||||
return data
|
||||
}
|
||||
|
||||
export default {
|
||||
staticKeys: ['staticClass'],
|
||||
transformNode,
|
||||
genData
|
||||
}
|
||||
+9
@@ -0,0 +1,9 @@
|
||||
import klass from './class'
|
||||
import style from './style'
|
||||
import model from './model'
|
||||
|
||||
export default [
|
||||
klass,
|
||||
style,
|
||||
model
|
||||
]
|
||||
+94
@@ -0,0 +1,94 @@
|
||||
/* @flow */
|
||||
|
||||
/**
|
||||
* Expand input[v-model] with dyanmic type bindings into v-if-else chains
|
||||
* Turn this:
|
||||
* <input v-model="data[type]" :type="type">
|
||||
* into this:
|
||||
* <input v-if="type === 'checkbox'" type="checkbox" v-model="data[type]">
|
||||
* <input v-else-if="type === 'radio'" type="radio" v-model="data[type]">
|
||||
* <input v-else :type="type" v-model="data[type]">
|
||||
*/
|
||||
|
||||
import {
|
||||
addRawAttr,
|
||||
getBindingAttr,
|
||||
getAndRemoveAttr
|
||||
} from 'compiler/helpers'
|
||||
|
||||
import {
|
||||
processFor,
|
||||
processElement,
|
||||
addIfCondition,
|
||||
createASTElement
|
||||
} from 'compiler/parser/index'
|
||||
|
||||
function preTransformNode (el: ASTElement, options: CompilerOptions) {
|
||||
if (el.tag === 'input') {
|
||||
const map = el.attrsMap
|
||||
if (!map['v-model']) {
|
||||
return
|
||||
}
|
||||
|
||||
let typeBinding
|
||||
if (map[':type'] || map['v-bind:type']) {
|
||||
typeBinding = getBindingAttr(el, 'type')
|
||||
}
|
||||
if (!map.type && !typeBinding && map['v-bind']) {
|
||||
typeBinding = `(${map['v-bind']}).type`
|
||||
}
|
||||
|
||||
if (typeBinding) {
|
||||
const ifCondition = getAndRemoveAttr(el, 'v-if', true)
|
||||
const ifConditionExtra = ifCondition ? `&&(${ifCondition})` : ``
|
||||
const hasElse = getAndRemoveAttr(el, 'v-else', true) != null
|
||||
const elseIfCondition = getAndRemoveAttr(el, 'v-else-if', true)
|
||||
// 1. checkbox
|
||||
const 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 = `(${typeBinding})==='checkbox'` + ifConditionExtra
|
||||
addIfCondition(branch0, {
|
||||
exp: branch0.if,
|
||||
block: branch0
|
||||
})
|
||||
// 2. add radio else-if condition
|
||||
const branch1 = cloneASTElement(el)
|
||||
getAndRemoveAttr(branch1, 'v-for', true)
|
||||
addRawAttr(branch1, 'type', 'radio')
|
||||
processElement(branch1, options)
|
||||
addIfCondition(branch0, {
|
||||
exp: `(${typeBinding})==='radio'` + ifConditionExtra,
|
||||
block: branch1
|
||||
})
|
||||
// 3. other
|
||||
const 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)
|
||||
}
|
||||
|
||||
export default {
|
||||
preTransformNode
|
||||
}
|
||||
+51
@@ -0,0 +1,51 @@
|
||||
/* @flow */
|
||||
|
||||
import { parseText } from 'compiler/parser/text-parser'
|
||||
import { parseStyleText } from 'web/util/style'
|
||||
import {
|
||||
getAndRemoveAttr,
|
||||
getBindingAttr,
|
||||
baseWarn
|
||||
} from 'compiler/helpers'
|
||||
|
||||
function transformNode (el: ASTElement, options: CompilerOptions) {
|
||||
const warn = options.warn || baseWarn
|
||||
const staticStyle = getAndRemoveAttr(el, 'style')
|
||||
if (staticStyle) {
|
||||
/* istanbul ignore if */
|
||||
if (process.env.NODE_ENV !== 'production') {
|
||||
const res = parseText(staticStyle, options.delimiters)
|
||||
if (res) {
|
||||
warn(
|
||||
`style="${staticStyle}": ` +
|
||||
'Interpolation inside attributes has been removed. ' +
|
||||
'Use v-bind or the colon shorthand instead. For example, ' +
|
||||
'instead of <div style="{{ val }}">, use <div :style="val">.'
|
||||
)
|
||||
}
|
||||
}
|
||||
el.staticStyle = JSON.stringify(parseStyleText(staticStyle))
|
||||
}
|
||||
|
||||
const styleBinding = getBindingAttr(el, 'style', false /* getStatic */)
|
||||
if (styleBinding) {
|
||||
el.styleBinding = styleBinding
|
||||
}
|
||||
}
|
||||
|
||||
function genData (el: ASTElement): string {
|
||||
let data = ''
|
||||
if (el.staticStyle) {
|
||||
data += `staticStyle:${el.staticStyle},`
|
||||
}
|
||||
if (el.styleBinding) {
|
||||
data += `style:(${el.styleBinding}),`
|
||||
}
|
||||
return data
|
||||
}
|
||||
|
||||
export default {
|
||||
staticKeys: ['staticStyle'],
|
||||
transformNode,
|
||||
genData
|
||||
}
|
||||
+26
@@ -0,0 +1,26 @@
|
||||
/* @flow */
|
||||
|
||||
import {
|
||||
isPreTag,
|
||||
mustUseProp,
|
||||
isReservedTag,
|
||||
getTagNamespace
|
||||
} from '../util/index'
|
||||
|
||||
import modules from './modules/index'
|
||||
import directives from './directives/index'
|
||||
import { genStaticKeys } from 'shared/util'
|
||||
import { isUnaryTag, canBeLeftOpenTag } from './util'
|
||||
|
||||
export const baseOptions: CompilerOptions = {
|
||||
expectHTML: true,
|
||||
modules,
|
||||
directives,
|
||||
isPreTag,
|
||||
isUnaryTag,
|
||||
mustUseProp,
|
||||
canBeLeftOpenTag,
|
||||
isReservedTag,
|
||||
getTagNamespace,
|
||||
staticKeys: genStaticKeys(modules)
|
||||
}
|
||||
+24
@@ -0,0 +1,24 @@
|
||||
/* @flow */
|
||||
|
||||
import { makeMap } from 'shared/util'
|
||||
|
||||
export const 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)
|
||||
export const 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
|
||||
export const 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'
|
||||
)
|
||||
+5
@@ -0,0 +1,5 @@
|
||||
/* @flow */
|
||||
|
||||
export { parseComponent } from 'sfc/parser'
|
||||
export { compile, compileToFunctions } from './compiler/index'
|
||||
export { ssrCompile, ssrCompileToFunctions } from './server/compiler'
|
||||
+100
@@ -0,0 +1,100 @@
|
||||
/* @flow */
|
||||
|
||||
import config from 'core/config'
|
||||
import { warn, cached } from 'core/util/index'
|
||||
import { mark, measure } from 'core/util/perf'
|
||||
|
||||
import Vue from './runtime/index'
|
||||
import { query } from './util/index'
|
||||
import { compileToFunctions } from './compiler/index'
|
||||
import { shouldDecodeNewlines, shouldDecodeNewlinesForHref } from './util/compat'
|
||||
|
||||
const idToTemplate = cached(id => {
|
||||
const el = query(id)
|
||||
return el && el.innerHTML
|
||||
})
|
||||
|
||||
const mount = Vue.prototype.$mount
|
||||
Vue.prototype.$mount = function (
|
||||
el?: string | Element,
|
||||
hydrating?: boolean
|
||||
): Component {
|
||||
el = el && query(el)
|
||||
|
||||
/* istanbul ignore if */
|
||||
if (el === document.body || el === document.documentElement) {
|
||||
process.env.NODE_ENV !== 'production' && warn(
|
||||
`Do not mount Vue to <html> or <body> - mount to normal elements instead.`
|
||||
)
|
||||
return this
|
||||
}
|
||||
|
||||
const options = this.$options
|
||||
// resolve template/el and convert to render function
|
||||
if (!options.render) {
|
||||
let template = options.template
|
||||
if (template) {
|
||||
if (typeof template === 'string') {
|
||||
if (template.charAt(0) === '#') {
|
||||
template = idToTemplate(template)
|
||||
/* istanbul ignore if */
|
||||
if (process.env.NODE_ENV !== 'production' && !template) {
|
||||
warn(
|
||||
`Template element not found or is empty: ${options.template}`,
|
||||
this
|
||||
)
|
||||
}
|
||||
}
|
||||
} else if (template.nodeType) {
|
||||
template = template.innerHTML
|
||||
} else {
|
||||
if (process.env.NODE_ENV !== 'production') {
|
||||
warn('invalid template option:' + template, this)
|
||||
}
|
||||
return this
|
||||
}
|
||||
} else if (el) {
|
||||
template = getOuterHTML(el)
|
||||
}
|
||||
if (template) {
|
||||
/* istanbul ignore if */
|
||||
if (process.env.NODE_ENV !== 'production' && config.performance && mark) {
|
||||
mark('compile')
|
||||
}
|
||||
|
||||
const { render, staticRenderFns } = compileToFunctions(template, {
|
||||
shouldDecodeNewlines,
|
||||
shouldDecodeNewlinesForHref,
|
||||
delimiters: options.delimiters,
|
||||
comments: options.comments
|
||||
}, this)
|
||||
options.render = render
|
||||
options.staticRenderFns = staticRenderFns
|
||||
|
||||
/* istanbul ignore if */
|
||||
if (process.env.NODE_ENV !== 'production' && config.performance && mark) {
|
||||
mark('compile end')
|
||||
measure(`vue ${this._name} compile`, 'compile', 'compile end')
|
||||
}
|
||||
}
|
||||
}
|
||||
return mount.call(this, el, hydrating)
|
||||
}
|
||||
|
||||
/**
|
||||
* Get outerHTML of elements, taking care
|
||||
* of SVG elements in IE as well.
|
||||
*/
|
||||
function getOuterHTML (el: Element): string {
|
||||
if (el.outerHTML) {
|
||||
return el.outerHTML
|
||||
} else {
|
||||
const container = document.createElement('div')
|
||||
container.appendChild(el.cloneNode(true))
|
||||
return container.innerHTML
|
||||
}
|
||||
}
|
||||
|
||||
Vue.compile = compileToFunctions
|
||||
|
||||
export default Vue
|
||||
+5
@@ -0,0 +1,5 @@
|
||||
/* @flow */
|
||||
|
||||
import Vue from './runtime/index'
|
||||
|
||||
export default Vue
|
||||
+13
@@ -0,0 +1,13 @@
|
||||
/* @flow */
|
||||
|
||||
import modules from './server/modules/index'
|
||||
import directives from './server/directives/index'
|
||||
import { isUnaryTag, canBeLeftOpenTag } from './compiler/util'
|
||||
import { createBasicRenderer } from 'server/create-basic-renderer'
|
||||
|
||||
export default createBasicRenderer({
|
||||
modules,
|
||||
directives,
|
||||
isUnaryTag,
|
||||
canBeLeftOpenTag
|
||||
})
|
||||
+27
@@ -0,0 +1,27 @@
|
||||
/* @flow */
|
||||
|
||||
process.env.VUE_ENV = 'server'
|
||||
|
||||
import { extend } from 'shared/util'
|
||||
import modules from './server/modules/index'
|
||||
import baseDirectives from './server/directives/index'
|
||||
import { isUnaryTag, canBeLeftOpenTag } from './compiler/util'
|
||||
|
||||
import { createRenderer as _createRenderer } from 'server/create-renderer'
|
||||
import { createBundleRendererCreator } from 'server/bundle-renderer/create-bundle-renderer'
|
||||
|
||||
export function createRenderer (options?: Object = {}): {
|
||||
renderToString: Function,
|
||||
renderToStream: Function
|
||||
} {
|
||||
return _createRenderer(extend(extend({}, options), {
|
||||
isUnaryTag,
|
||||
canBeLeftOpenTag,
|
||||
modules,
|
||||
// user can provide server-side implementations for custom directives
|
||||
// when creating the renderer.
|
||||
directives: extend(baseDirectives, options.directives)
|
||||
}))
|
||||
}
|
||||
|
||||
export const createBundleRenderer = createBundleRendererCreator(createRenderer)
|
||||
+61
@@ -0,0 +1,61 @@
|
||||
/* @flow */
|
||||
|
||||
/**
|
||||
* Add class with compatibility for SVG since classList is not supported on
|
||||
* SVG elements in IE
|
||||
*/
|
||||
export function addClass (el: HTMLElement, cls: ?string) {
|
||||
/* istanbul ignore if */
|
||||
if (!cls || !(cls = cls.trim())) {
|
||||
return
|
||||
}
|
||||
|
||||
/* istanbul ignore else */
|
||||
if (el.classList) {
|
||||
if (cls.indexOf(' ') > -1) {
|
||||
cls.split(/\s+/).forEach(c => el.classList.add(c))
|
||||
} else {
|
||||
el.classList.add(cls)
|
||||
}
|
||||
} else {
|
||||
const cur = ` ${el.getAttribute('class') || ''} `
|
||||
if (cur.indexOf(' ' + cls + ' ') < 0) {
|
||||
el.setAttribute('class', (cur + cls).trim())
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Remove class with compatibility for SVG since classList is not supported on
|
||||
* SVG elements in IE
|
||||
*/
|
||||
export function removeClass (el: HTMLElement, cls: ?string) {
|
||||
/* istanbul ignore if */
|
||||
if (!cls || !(cls = cls.trim())) {
|
||||
return
|
||||
}
|
||||
|
||||
/* istanbul ignore else */
|
||||
if (el.classList) {
|
||||
if (cls.indexOf(' ') > -1) {
|
||||
cls.split(/\s+/).forEach(c => el.classList.remove(c))
|
||||
} else {
|
||||
el.classList.remove(cls)
|
||||
}
|
||||
if (!el.classList.length) {
|
||||
el.removeAttribute('class')
|
||||
}
|
||||
} else {
|
||||
let cur = ` ${el.getAttribute('class') || ''} `
|
||||
const tar = ' ' + cls + ' '
|
||||
while (cur.indexOf(tar) >= 0) {
|
||||
cur = cur.replace(tar, ' ')
|
||||
}
|
||||
cur = cur.trim()
|
||||
if (cur) {
|
||||
el.setAttribute('class', cur)
|
||||
} else {
|
||||
el.removeAttribute('class')
|
||||
}
|
||||
}
|
||||
}
|
||||
+7
@@ -0,0 +1,7 @@
|
||||
import Transition from './transition'
|
||||
import TransitionGroup from './transition-group'
|
||||
|
||||
export default {
|
||||
Transition,
|
||||
TransitionGroup
|
||||
}
|
||||
+180
@@ -0,0 +1,180 @@
|
||||
/* @flow */
|
||||
|
||||
// Provides transition support for list items.
|
||||
// supports move transitions using the FLIP technique.
|
||||
|
||||
// Because the vdom's children update algorithm is "unstable" - i.e.
|
||||
// it doesn't guarantee the relative positioning of removed elements,
|
||||
// we force transition-group to update its children into two passes:
|
||||
// in the first pass, we remove all nodes that need to be removed,
|
||||
// triggering their leaving transition; in the second pass, we insert/move
|
||||
// into the final desired state. This way in the second pass removed
|
||||
// nodes will remain where they should be.
|
||||
|
||||
import { warn, extend } from 'core/util/index'
|
||||
import { addClass, removeClass } from '../class-util'
|
||||
import { transitionProps, extractTransitionData } from './transition'
|
||||
|
||||
import {
|
||||
hasTransition,
|
||||
getTransitionInfo,
|
||||
transitionEndEvent,
|
||||
addTransitionClass,
|
||||
removeTransitionClass
|
||||
} from '../transition-util'
|
||||
|
||||
const props = extend({
|
||||
tag: String,
|
||||
moveClass: String
|
||||
}, transitionProps)
|
||||
|
||||
delete props.mode
|
||||
|
||||
export default {
|
||||
props,
|
||||
|
||||
render (h: Function) {
|
||||
const tag: string = this.tag || this.$vnode.data.tag || 'span'
|
||||
const map: Object = Object.create(null)
|
||||
const prevChildren: Array<VNode> = this.prevChildren = this.children
|
||||
const rawChildren: Array<VNode> = this.$slots.default || []
|
||||
const children: Array<VNode> = this.children = []
|
||||
const transitionData: Object = extractTransitionData(this)
|
||||
|
||||
for (let i = 0; i < rawChildren.length; i++) {
|
||||
const c: VNode = rawChildren[i]
|
||||
if (c.tag) {
|
||||
if (c.key != null && String(c.key).indexOf('__vlist') !== 0) {
|
||||
children.push(c)
|
||||
map[c.key] = c
|
||||
;(c.data || (c.data = {})).transition = transitionData
|
||||
} else if (process.env.NODE_ENV !== 'production') {
|
||||
const opts: ?VNodeComponentOptions = c.componentOptions
|
||||
const name: string = opts ? (opts.Ctor.options.name || opts.tag || '') : c.tag
|
||||
warn(`<transition-group> children must be keyed: <${name}>`)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (prevChildren) {
|
||||
const kept: Array<VNode> = []
|
||||
const removed: Array<VNode> = []
|
||||
for (let i = 0; i < prevChildren.length; i++) {
|
||||
const c: VNode = prevChildren[i]
|
||||
c.data.transition = transitionData
|
||||
c.data.pos = c.elm.getBoundingClientRect()
|
||||
if (map[c.key]) {
|
||||
kept.push(c)
|
||||
} else {
|
||||
removed.push(c)
|
||||
}
|
||||
}
|
||||
this.kept = h(tag, null, kept)
|
||||
this.removed = removed
|
||||
}
|
||||
|
||||
return h(tag, null, children)
|
||||
},
|
||||
|
||||
beforeUpdate () {
|
||||
// force removing pass
|
||||
this.__patch__(
|
||||
this._vnode,
|
||||
this.kept,
|
||||
false, // hydrating
|
||||
true // removeOnly (!important, avoids unnecessary moves)
|
||||
)
|
||||
this._vnode = this.kept
|
||||
},
|
||||
|
||||
updated () {
|
||||
const children: Array<VNode> = this.prevChildren
|
||||
const moveClass: string = this.moveClass || ((this.name || 'v') + '-move')
|
||||
if (!children.length || !this.hasMove(children[0].elm, moveClass)) {
|
||||
return
|
||||
}
|
||||
|
||||
// we divide the work into three loops to avoid mixing DOM reads and writes
|
||||
// in each iteration - which helps prevent layout thrashing.
|
||||
children.forEach(callPendingCbs)
|
||||
children.forEach(recordPosition)
|
||||
children.forEach(applyTranslation)
|
||||
|
||||
// force reflow to put everything in position
|
||||
// assign to this to avoid being removed in tree-shaking
|
||||
// $flow-disable-line
|
||||
this._reflow = document.body.offsetHeight
|
||||
|
||||
children.forEach((c: VNode) => {
|
||||
if (c.data.moved) {
|
||||
var el: any = c.elm
|
||||
var s: any = el.style
|
||||
addTransitionClass(el, moveClass)
|
||||
s.transform = s.WebkitTransform = s.transitionDuration = ''
|
||||
el.addEventListener(transitionEndEvent, el._moveCb = function cb (e) {
|
||||
if (!e || /transform$/.test(e.propertyName)) {
|
||||
el.removeEventListener(transitionEndEvent, cb)
|
||||
el._moveCb = null
|
||||
removeTransitionClass(el, moveClass)
|
||||
}
|
||||
})
|
||||
}
|
||||
})
|
||||
},
|
||||
|
||||
methods: {
|
||||
hasMove (el: any, moveClass: string): boolean {
|
||||
/* istanbul ignore if */
|
||||
if (!hasTransition) {
|
||||
return false
|
||||
}
|
||||
/* istanbul ignore if */
|
||||
if (this._hasMove) {
|
||||
return this._hasMove
|
||||
}
|
||||
// Detect whether an element with the move class applied has
|
||||
// CSS transitions. Since the element may be inside an entering
|
||||
// transition at this very moment, we make a clone of it and remove
|
||||
// all other transition classes applied to ensure only the move class
|
||||
// is applied.
|
||||
const clone: HTMLElement = el.cloneNode()
|
||||
if (el._transitionClasses) {
|
||||
el._transitionClasses.forEach((cls: string) => { removeClass(clone, cls) })
|
||||
}
|
||||
addClass(clone, moveClass)
|
||||
clone.style.display = 'none'
|
||||
this.$el.appendChild(clone)
|
||||
const info: Object = getTransitionInfo(clone)
|
||||
this.$el.removeChild(clone)
|
||||
return (this._hasMove = info.hasTransform)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function callPendingCbs (c: VNode) {
|
||||
/* istanbul ignore if */
|
||||
if (c.elm._moveCb) {
|
||||
c.elm._moveCb()
|
||||
}
|
||||
/* istanbul ignore if */
|
||||
if (c.elm._enterCb) {
|
||||
c.elm._enterCb()
|
||||
}
|
||||
}
|
||||
|
||||
function recordPosition (c: VNode) {
|
||||
c.data.newPos = c.elm.getBoundingClientRect()
|
||||
}
|
||||
|
||||
function applyTranslation (c: VNode) {
|
||||
const oldPos = c.data.pos
|
||||
const newPos = c.data.newPos
|
||||
const dx = oldPos.left - newPos.left
|
||||
const dy = oldPos.top - newPos.top
|
||||
if (dx || dy) {
|
||||
c.data.moved = true
|
||||
const s = c.elm.style
|
||||
s.transform = s.WebkitTransform = `translate(${dx}px,${dy}px)`
|
||||
s.transitionDuration = '0s'
|
||||
}
|
||||
}
|
||||
+194
@@ -0,0 +1,194 @@
|
||||
/* @flow */
|
||||
|
||||
// Provides transition support for a single element/component.
|
||||
// supports transition mode (out-in / in-out)
|
||||
|
||||
import { warn } from 'core/util/index'
|
||||
import { camelize, extend, isPrimitive } from 'shared/util'
|
||||
import {
|
||||
mergeVNodeHook,
|
||||
isAsyncPlaceholder,
|
||||
getFirstComponentChild
|
||||
} from 'core/vdom/helpers/index'
|
||||
|
||||
export const transitionProps = {
|
||||
name: String,
|
||||
appear: Boolean,
|
||||
css: Boolean,
|
||||
mode: String,
|
||||
type: String,
|
||||
enterClass: String,
|
||||
leaveClass: String,
|
||||
enterToClass: String,
|
||||
leaveToClass: String,
|
||||
enterActiveClass: String,
|
||||
leaveActiveClass: String,
|
||||
appearClass: String,
|
||||
appearActiveClass: String,
|
||||
appearToClass: String,
|
||||
duration: [Number, String, Object]
|
||||
}
|
||||
|
||||
// in case the child is also an abstract component, e.g. <keep-alive>
|
||||
// we want to recursively retrieve the real component to be rendered
|
||||
function getRealChild (vnode: ?VNode): ?VNode {
|
||||
const compOptions: ?VNodeComponentOptions = vnode && vnode.componentOptions
|
||||
if (compOptions && compOptions.Ctor.options.abstract) {
|
||||
return getRealChild(getFirstComponentChild(compOptions.children))
|
||||
} else {
|
||||
return vnode
|
||||
}
|
||||
}
|
||||
|
||||
export function extractTransitionData (comp: Component): Object {
|
||||
const data = {}
|
||||
const options: ComponentOptions = comp.$options
|
||||
// props
|
||||
for (const key in options.propsData) {
|
||||
data[key] = comp[key]
|
||||
}
|
||||
// events.
|
||||
// extract listeners and pass them directly to the transition methods
|
||||
const listeners: ?Object = options._parentListeners
|
||||
for (const key in listeners) {
|
||||
data[camelize(key)] = listeners[key]
|
||||
}
|
||||
return data
|
||||
}
|
||||
|
||||
function placeholder (h: Function, rawChild: VNode): ?VNode {
|
||||
if (/\d-keep-alive$/.test(rawChild.tag)) {
|
||||
return h('keep-alive', {
|
||||
props: rawChild.componentOptions.propsData
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
function hasParentTransition (vnode: VNode): ?boolean {
|
||||
while ((vnode = vnode.parent)) {
|
||||
if (vnode.data.transition) {
|
||||
return true
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function isSameChild (child: VNode, oldChild: VNode): boolean {
|
||||
return oldChild.key === child.key && oldChild.tag === child.tag
|
||||
}
|
||||
|
||||
export default {
|
||||
name: 'transition',
|
||||
props: transitionProps,
|
||||
abstract: true,
|
||||
|
||||
render (h: Function) {
|
||||
let children: any = this.$slots.default
|
||||
if (!children) {
|
||||
return
|
||||
}
|
||||
|
||||
// filter out text nodes (possible whitespaces)
|
||||
children = children.filter((c: VNode) => c.tag || isAsyncPlaceholder(c))
|
||||
/* istanbul ignore if */
|
||||
if (!children.length) {
|
||||
return
|
||||
}
|
||||
|
||||
// warn multiple elements
|
||||
if (process.env.NODE_ENV !== 'production' && children.length > 1) {
|
||||
warn(
|
||||
'<transition> can only be used on a single element. Use ' +
|
||||
'<transition-group> for lists.',
|
||||
this.$parent
|
||||
)
|
||||
}
|
||||
|
||||
const mode: string = this.mode
|
||||
|
||||
// warn invalid mode
|
||||
if (process.env.NODE_ENV !== 'production' &&
|
||||
mode && mode !== 'in-out' && mode !== 'out-in'
|
||||
) {
|
||||
warn(
|
||||
'invalid <transition> mode: ' + mode,
|
||||
this.$parent
|
||||
)
|
||||
}
|
||||
|
||||
const rawChild: VNode = children[0]
|
||||
|
||||
// if this is a component root node and the component's
|
||||
// parent container node also has transition, skip.
|
||||
if (hasParentTransition(this.$vnode)) {
|
||||
return rawChild
|
||||
}
|
||||
|
||||
// apply transition data to child
|
||||
// use getRealChild() to ignore abstract components e.g. keep-alive
|
||||
const child: ?VNode = getRealChild(rawChild)
|
||||
/* istanbul ignore if */
|
||||
if (!child) {
|
||||
return rawChild
|
||||
}
|
||||
|
||||
if (this._leaving) {
|
||||
return placeholder(h, rawChild)
|
||||
}
|
||||
|
||||
// ensure a key that is unique to the vnode type and to this transition
|
||||
// component instance. This key will be used to remove pending leaving nodes
|
||||
// during entering.
|
||||
const id: string = `__transition-${this._uid}-`
|
||||
child.key = child.key == null
|
||||
? child.isComment
|
||||
? id + 'comment'
|
||||
: id + child.tag
|
||||
: isPrimitive(child.key)
|
||||
? (String(child.key).indexOf(id) === 0 ? child.key : id + child.key)
|
||||
: child.key
|
||||
|
||||
const data: Object = (child.data || (child.data = {})).transition = extractTransitionData(this)
|
||||
const oldRawChild: VNode = this._vnode
|
||||
const oldChild: VNode = getRealChild(oldRawChild)
|
||||
|
||||
// mark v-show
|
||||
// so that the transition module can hand over the control to the directive
|
||||
if (child.data.directives && child.data.directives.some(d => d.name === 'show')) {
|
||||
child.data.show = true
|
||||
}
|
||||
|
||||
if (
|
||||
oldChild &&
|
||||
oldChild.data &&
|
||||
!isSameChild(child, oldChild) &&
|
||||
!isAsyncPlaceholder(oldChild) &&
|
||||
// #6687 component root is a comment node
|
||||
!(oldChild.componentInstance && oldChild.componentInstance._vnode.isComment)
|
||||
) {
|
||||
// replace old child transition data with fresh one
|
||||
// important for dynamic transitions!
|
||||
const oldData: Object = oldChild.data.transition = extend({}, data)
|
||||
// handle transition mode
|
||||
if (mode === 'out-in') {
|
||||
// return placeholder node and queue update when leave finishes
|
||||
this._leaving = true
|
||||
mergeVNodeHook(oldData, 'afterLeave', () => {
|
||||
this._leaving = false
|
||||
this.$forceUpdate()
|
||||
})
|
||||
return placeholder(h, rawChild)
|
||||
} else if (mode === 'in-out') {
|
||||
if (isAsyncPlaceholder(child)) {
|
||||
return oldRawChild
|
||||
}
|
||||
let delayedLeave
|
||||
const performLeave = () => { delayedLeave() }
|
||||
mergeVNodeHook(data, 'afterEnter', performLeave)
|
||||
mergeVNodeHook(data, 'enterCancelled', performLeave)
|
||||
mergeVNodeHook(oldData, 'delayLeave', leave => { delayedLeave = leave })
|
||||
}
|
||||
}
|
||||
|
||||
return rawChild
|
||||
}
|
||||
}
|
||||
+7
@@ -0,0 +1,7 @@
|
||||
import model from './model'
|
||||
import show from './show'
|
||||
|
||||
export default {
|
||||
model,
|
||||
show
|
||||
}
|
||||
+147
@@ -0,0 +1,147 @@
|
||||
/**
|
||||
* Not type checking this file because flow doesn't like attaching
|
||||
* properties to Elements.
|
||||
*/
|
||||
|
||||
import { isTextInputType } from 'web/util/element'
|
||||
import { looseEqual, looseIndexOf } from 'shared/util'
|
||||
import { mergeVNodeHook } from 'core/vdom/helpers/index'
|
||||
import { warn, isIE9, isIE, isEdge } from 'core/util/index'
|
||||
|
||||
/* istanbul ignore if */
|
||||
if (isIE9) {
|
||||
// http://www.matts411.com/post/internet-explorer-9-oninput/
|
||||
document.addEventListener('selectionchange', () => {
|
||||
const el = document.activeElement
|
||||
if (el && el.vmodel) {
|
||||
trigger(el, 'input')
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
const directive = {
|
||||
inserted (el, binding, vnode, oldVnode) {
|
||||
if (vnode.tag === 'select') {
|
||||
// #6903
|
||||
if (oldVnode.elm && !oldVnode.elm._vOptions) {
|
||||
mergeVNodeHook(vnode, 'postpatch', () => {
|
||||
directive.componentUpdated(el, binding, vnode)
|
||||
})
|
||||
} else {
|
||||
setSelected(el, binding, vnode.context)
|
||||
}
|
||||
el._vOptions = [].map.call(el.options, getValue)
|
||||
} else if (vnode.tag === 'textarea' || isTextInputType(el.type)) {
|
||||
el._vModifiers = binding.modifiers
|
||||
if (!binding.modifiers.lazy) {
|
||||
el.addEventListener('compositionstart', onCompositionStart)
|
||||
el.addEventListener('compositionend', onCompositionEnd)
|
||||
// Safari < 10.2 & UIWebView doesn't fire compositionend when
|
||||
// switching focus before confirming composition choice
|
||||
// this also fixes the issue where some browsers e.g. iOS Chrome
|
||||
// fires "change" instead of "input" on autocomplete.
|
||||
el.addEventListener('change', onCompositionEnd)
|
||||
/* istanbul ignore if */
|
||||
if (isIE9) {
|
||||
el.vmodel = true
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
|
||||
componentUpdated (el, binding, vnode) {
|
||||
if (vnode.tag === 'select') {
|
||||
setSelected(el, binding, vnode.context)
|
||||
// in case the options rendered by v-for have changed,
|
||||
// it's possible that the value is out-of-sync with the rendered options.
|
||||
// detect such cases and filter out values that no longer has a matching
|
||||
// option in the DOM.
|
||||
const prevOptions = el._vOptions
|
||||
const curOptions = el._vOptions = [].map.call(el.options, getValue)
|
||||
if (curOptions.some((o, i) => !looseEqual(o, prevOptions[i]))) {
|
||||
// trigger change event if
|
||||
// no matching option found for at least one value
|
||||
const needReset = el.multiple
|
||||
? binding.value.some(v => hasNoMatchingOption(v, curOptions))
|
||||
: binding.value !== binding.oldValue && hasNoMatchingOption(binding.value, curOptions)
|
||||
if (needReset) {
|
||||
trigger(el, 'change')
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function setSelected (el, binding, vm) {
|
||||
actuallySetSelected(el, binding, vm)
|
||||
/* istanbul ignore if */
|
||||
if (isIE || isEdge) {
|
||||
setTimeout(() => {
|
||||
actuallySetSelected(el, binding, vm)
|
||||
}, 0)
|
||||
}
|
||||
}
|
||||
|
||||
function actuallySetSelected (el, binding, vm) {
|
||||
const value = binding.value
|
||||
const isMultiple = el.multiple
|
||||
if (isMultiple && !Array.isArray(value)) {
|
||||
process.env.NODE_ENV !== 'production' && warn(
|
||||
`<select multiple v-model="${binding.expression}"> ` +
|
||||
`expects an Array value for its binding, but got ${
|
||||
Object.prototype.toString.call(value).slice(8, -1)
|
||||
}`,
|
||||
vm
|
||||
)
|
||||
return
|
||||
}
|
||||
let selected, option
|
||||
for (let i = 0, l = el.options.length; i < l; i++) {
|
||||
option = el.options[i]
|
||||
if (isMultiple) {
|
||||
selected = looseIndexOf(value, getValue(option)) > -1
|
||||
if (option.selected !== selected) {
|
||||
option.selected = selected
|
||||
}
|
||||
} else {
|
||||
if (looseEqual(getValue(option), value)) {
|
||||
if (el.selectedIndex !== i) {
|
||||
el.selectedIndex = i
|
||||
}
|
||||
return
|
||||
}
|
||||
}
|
||||
}
|
||||
if (!isMultiple) {
|
||||
el.selectedIndex = -1
|
||||
}
|
||||
}
|
||||
|
||||
function hasNoMatchingOption (value, options) {
|
||||
return options.every(o => !looseEqual(o, value))
|
||||
}
|
||||
|
||||
function getValue (option) {
|
||||
return '_value' in option
|
||||
? option._value
|
||||
: option.value
|
||||
}
|
||||
|
||||
function onCompositionStart (e) {
|
||||
e.target.composing = true
|
||||
}
|
||||
|
||||
function onCompositionEnd (e) {
|
||||
// prevent triggering an input event for no reason
|
||||
if (!e.target.composing) return
|
||||
e.target.composing = false
|
||||
trigger(e.target, 'input')
|
||||
}
|
||||
|
||||
function trigger (el, type) {
|
||||
const e = document.createEvent('HTMLEvents')
|
||||
e.initEvent(type, true, true)
|
||||
el.dispatchEvent(e)
|
||||
}
|
||||
|
||||
export default directive
|
||||
+60
@@ -0,0 +1,60 @@
|
||||
/* @flow */
|
||||
|
||||
import { enter, leave } from '../modules/transition'
|
||||
|
||||
// recursively search for possible transition defined inside the component root
|
||||
function locateNode (vnode: VNode): VNodeWithData {
|
||||
return vnode.componentInstance && (!vnode.data || !vnode.data.transition)
|
||||
? locateNode(vnode.componentInstance._vnode)
|
||||
: vnode
|
||||
}
|
||||
|
||||
export default {
|
||||
bind (el: any, { value }: VNodeDirective, vnode: VNodeWithData) {
|
||||
vnode = locateNode(vnode)
|
||||
const transition = vnode.data && vnode.data.transition
|
||||
const originalDisplay = el.__vOriginalDisplay =
|
||||
el.style.display === 'none' ? '' : el.style.display
|
||||
if (value && transition) {
|
||||
vnode.data.show = true
|
||||
enter(vnode, () => {
|
||||
el.style.display = originalDisplay
|
||||
})
|
||||
} else {
|
||||
el.style.display = value ? originalDisplay : 'none'
|
||||
}
|
||||
},
|
||||
|
||||
update (el: any, { value, oldValue }: VNodeDirective, vnode: VNodeWithData) {
|
||||
/* istanbul ignore if */
|
||||
if (!value === !oldValue) return
|
||||
vnode = locateNode(vnode)
|
||||
const transition = vnode.data && vnode.data.transition
|
||||
if (transition) {
|
||||
vnode.data.show = true
|
||||
if (value) {
|
||||
enter(vnode, () => {
|
||||
el.style.display = el.__vOriginalDisplay
|
||||
})
|
||||
} else {
|
||||
leave(vnode, () => {
|
||||
el.style.display = 'none'
|
||||
})
|
||||
}
|
||||
} else {
|
||||
el.style.display = value ? el.__vOriginalDisplay : 'none'
|
||||
}
|
||||
},
|
||||
|
||||
unbind (
|
||||
el: any,
|
||||
binding: VNodeDirective,
|
||||
vnode: VNodeWithData,
|
||||
oldVnode: VNodeWithData,
|
||||
isDestroy: boolean
|
||||
) {
|
||||
if (!isDestroy) {
|
||||
el.style.display = el.__vOriginalDisplay
|
||||
}
|
||||
}
|
||||
}
|
||||
Some files were not shown because too many files have changed in this diff Show More
Reference in New Issue
Block a user