Add server; add node_modules; add public folder; add package.json
This commit is contained in:
+167
@@ -0,0 +1,167 @@
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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 {
|
||||
if (!conditions.length) {
|
||||
return altEmpty || '_e()'
|
||||
}
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||||
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||||
const condition = conditions.shift()
|
||||
if (condition.exp) {
|
||||
return `(${condition.exp})?${
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||||
genTernaryExp(condition.block)
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}:${
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||||
genIfConditions(conditions, state, altGen, altEmpty)
|
||||
}`
|
||||
} else {
|
||||
return `${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
|
||||
? genOnce(el, state)
|
||||
: genElement(el, state)
|
||||
}
|
||||
}
|
||||
|
||||
export function genFor (
|
||||
el: any,
|
||||
state: CodegenState,
|
||||
altGen?: Function,
|
||||
altHelper?: string
|
||||
): string {
|
||||
const exp = el.for
|
||||
const alias = el.alias
|
||||
const iterator1 = el.iterator1 ? `,${el.iterator1}` : ''
|
||||
const iterator2 = el.iterator2 ? `,${el.iterator2}` : ''
|
||||
|
||||
if (process.env.NODE_ENV !== 'production' &&
|
||||
state.maybeComponent(el) &&
|
||||
el.tag !== 'slot' &&
|
||||
el.tag !== 'template' &&
|
||||
!el.key
|
||||
) {
|
||||
state.warn(
|
||||
`<${el.tag} v-for="${alias} in ${exp}">: component lists rendered with ` +
|
||||
`v-for should have explicit keys. ` +
|
||||
`See https://vuejs.org/guide/list.html#key for more info.`,
|
||||
true /* tip */
|
||||
)
|
||||
}
|
||||
|
||||
el.forProcessed = true // avoid recursion
|
||||
return `${altHelper || '_l'}((${exp}),` +
|
||||
`function(${alias}${iterator1}${iterator2}){` +
|
||||
`return ${(altGen || genElement)(el, state)}` +
|
||||
'})'
|
||||
}
|
||||
|
||||
export function genData (el: ASTElement, state: CodegenState): string {
|
||||
let data = '{'
|
||||
|
||||
// directives first.
|
||||
// directives may mutate the el's other properties before they are generated.
|
||||
const dirs = genDirectives(el, state)
|
||||
if (dirs) data += dirs + ','
|
||||
|
||||
// key
|
||||
if (el.key) {
|
||||
data += `key:${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')
|
||||
}
|
||||
Reference in New Issue
Block a user