2a09d1a4
 liuqimichale
添加宜春 天水 宣化
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const hash = require('hash-sum')
const uniq = require('lodash.uniq')
import { isJS, isCSS, onEmit } from './util'
export default class VueSSRClientPlugin {
constructor (options = {}) {
this.options = Object.assign({
filename: 'vue-ssr-client-manifest.json'
}, options)
}
apply (compiler) {
onEmit(compiler, 'vue-client-plugin', (compilation, cb) => {
const stats = compilation.getStats().toJson()
const allFiles = uniq(stats.assets
.map(a => a.name))
const initialFiles = uniq(Object.keys(stats.entrypoints)
.map(name => stats.entrypoints[name].assets)
.reduce((assets, all) => all.concat(assets), [])
.filter((file) => isJS(file) || isCSS(file)))
const asyncFiles = allFiles
.filter((file) => isJS(file) || isCSS(file))
.filter(file => initialFiles.indexOf(file) < 0)
const manifest = {
publicPath: stats.publicPath,
all: allFiles,
initial: initialFiles,
async: asyncFiles,
modules: { /* [identifier: string]: Array<index: number> */ }
}
const assetModules = stats.modules.filter(m => m.assets.length)
const fileToIndex = file => manifest.all.indexOf(file)
stats.modules.forEach(m => {
// ignore modules duplicated in multiple chunks
if (m.chunks.length === 1) {
const cid = m.chunks[0]
const chunk = stats.chunks.find(c => c.id === cid)
if (!chunk || !chunk.files) {
return
}
const id = m.identifier.replace(/\s\w+$/, '') // remove appended hash
const files = manifest.modules[hash(id)] = chunk.files.map(fileToIndex)
// find all asset modules associated with the same chunk
assetModules.forEach(m => {
if (m.chunks.some(id => id === cid)) {
files.push.apply(files, m.assets.map(fileToIndex))
}
})
}
})
const json = JSON.stringify(manifest, null, 2)
compilation.assets[this.options.filename] = {
source: () => json,
size: () => json.length
}
cb()
})
}
}
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