Edit File: v-for.js
/* @flow */ import { parseFor } from 'compiler/parser/index' import { getAndRemoveAttr, addRawAttr } from 'compiler/helpers' export function preTransformVFor (el: ASTElement, options: WeexCompilerOptions) { const exp = getAndRemoveAttr(el, 'v-for') if (!exp) { return } const res = parseFor(exp) if (!res) { if (process.env.NODE_ENV !== 'production' && options.warn) { options.warn(`Invalid v-for expression: ${exp}`) } return } const desc: Object = { '@expression': res.for, '@alias': res.alias } if (res.iterator2) { desc['@key'] = res.iterator1 desc['@index'] = res.iterator2 } else { desc['@index'] = res.iterator1 } delete el.attrsMap['v-for'] addRawAttr(el, '[[repeat]]', desc) }
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