Nuxt/packages/webpack/src/config/server.js

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import path from 'path'
import fs from 'fs'
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import webpack from 'webpack'
import nodeExternals from 'webpack-node-externals'
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import VueSSRServerPlugin from '../plugins/vue/server'
import WebpackBaseConfig from './base'
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export default class WebpackServerConfig extends WebpackBaseConfig {
constructor (...args) {
super(...args)
this.name = 'server'
this.isServer = true
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}
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get devtool () {
return 'cheap-module-source-map'
}
get externalsWhitelist () {
return [
/\.(?!js(x|on)?$)/i,
...this.normalizeTranspile()
]
}
env () {
return Object.assign(
super.env(),
{
'process.env.VUE_ENV': JSON.stringify('server'),
'process.browser': false,
'process.client': false,
'process.server': true,
'process.modern': false
}
)
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}
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optimization () {
return {
splitChunks: false,
minimizer: this.minimizer()
}
}
resolve () {
const resolveConfig = super.resolve()
resolveConfig.resolve.mainFields = ['main', 'module']
return resolveConfig
}
alias () {
const aliases = super.alias()
for (const p of this.buildContext.plugins) {
if (!aliases[p.name]) {
// Do not load client-side plugins on server-side
aliases[p.name] = p.mode === 'client' ? './empty.js' : p.src
}
}
return aliases
}
plugins () {
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const plugins = super.plugins()
plugins.push(
new VueSSRServerPlugin({
filename: `${this.name}.manifest.json`
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}),
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new webpack.DefinePlugin(this.env())
)
return plugins
}
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config () {
const config = super.config()
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Object.assign(config, {
target: 'node',
node: false,
entry: Object.assign({}, config.entry, {
app: [path.resolve(this.buildContext.options.buildDir, 'server.js')]
}),
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output: Object.assign({}, config.output, {
filename: 'server.js',
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libraryTarget: 'commonjs2'
}),
performance: {
hints: false,
maxEntrypointSize: Infinity,
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maxAssetSize: Infinity
},
externals: [].concat(config.externals || [])
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})
// https://webpack.js.org/configuration/externals/#externals
// https://github.com/liady/webpack-node-externals
// https://vue-loader.vuejs.org/migrating.html#ssr-externals
if (!this.buildContext.buildOptions.standalone) {
this.buildContext.options.modulesDir.forEach((dir) => {
if (fs.existsSync(dir)) {
config.externals.push(
nodeExternals({
whitelist: this.externalsWhitelist,
modulesDir: dir
})
)
}
})
}
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return config
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}
}