Nuxt/lib/builder/webpack/base.js

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import path from 'path'
import consola from 'consola'
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import TimeFixPlugin from 'time-fix-plugin'
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import _ from 'lodash'
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import VueLoader from 'vue-loader'
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import MiniCssExtractPlugin from 'mini-css-extract-plugin'
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import WebpackBar from 'webpackbar'
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import { isUrl, urlJoin } from '../../common/utils'
import StyleLoader from './utils/style-loader'
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import WarnFixPlugin from './plugins/warnfix'
import StatsPlugin from './plugins/stats'
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export default class WebpackBaseConfig {
constructor(builder, options) {
this.name = options.name
this.isServer = options.isServer
this.builder = builder
this.nuxt = this.builder.nuxt
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this.isStatic = builder.isStatic
this.options = builder.options
this.spinner = builder.spinner
}
get nuxtEnv() {
return {
isDev: this.options.dev,
isServer: this.isServer,
isClient: !this.isServer
}
}
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getBabelOptions() {
const options = _.clone(this.options.build.babel)
if (typeof options.presets === 'function') {
options.presets = options.presets({ isServer: this.isServer })
}
if (!options.babelrc && !options.presets) {
options.presets = [
[
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require.resolve('@nuxtjs/babel-preset-app'),
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{
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buildTarget: this.isServer ? 'server' : 'client'
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}
]
]
}
return options
}
getFileName(key) {
let fileName = this.options.build.filenames[key]
if (typeof fileName === 'function') {
fileName = fileName(this.nuxtEnv)
}
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if (this.options.dev) {
const hash = /\[(chunkhash|contenthash|hash)(?::(\d+))?\]/.exec(fileName)
if (hash) {
consola.warn(`Notice: Please do not use ${hash[1]} in dev mode to prevent memory leak`)
}
}
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return fileName
}
devtool() {
return false
}
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env() {
const env = {
'process.mode': JSON.stringify(this.options.mode),
'process.static': this.isStatic
}
_.each(this.options.env, (value, key) => {
env['process.env.' + key] =
['boolean', 'number'].indexOf(typeof value) !== -1
? value
: JSON.stringify(value)
})
return env
}
output() {
return {
path: path.resolve(this.options.buildDir, 'dist', this.isServer ? 'server' : 'client'),
filename: this.getFileName('app'),
chunkFilename: this.getFileName('chunk'),
publicPath: isUrl(this.options.build.publicPath)
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? this.options.build.publicPath
: urlJoin(this.options.router.base, this.options.build.publicPath)
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}
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}
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optimization() {
return this.options.build.optimization
}
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alias() {
return {
'~': path.join(this.options.srcDir),
'~~': path.join(this.options.rootDir),
'@': path.join(this.options.srcDir),
'@@': path.join(this.options.rootDir),
[this.options.dir.assets]: path.join(
this.options.srcDir,
this.options.dir.assets
),
[this.options.dir.static]: path.join(
this.options.srcDir,
this.options.dir.static
)
}
}
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rules() {
const styleLoader = new StyleLoader(
this.options,
this.builder.nuxt,
{ isServer: this.isServer }
)
const perfLoader = this.builder.perfLoader
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return [
{
test: /\.vue$/,
loader: 'vue-loader',
options: Object.assign({
productionMode: !this.options.dev,
transformAssetUrls: {
video: 'src',
source: 'src',
object: 'src',
embed: 'src'
}
}, this.options.build.vueLoader)
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},
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{
test: /\.pug$/,
oneOf: [
{
resourceQuery: /^\?vue/,
use: ['pug-plain-loader']
},
{
use: ['raw-loader', 'pug-plain-loader']
}
]
},
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{
test: /\.jsx?$/,
exclude: (file) => {
// not exclude files outside node_modules
if (/node_modules/.test(file)) {
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for (const module of [/\.vue\.js/].concat(this.options.build.transpile)) {
// item in transpile can be string or regex object
if (module.test(file)) {
return false
}
}
return true
}
},
use: perfLoader.pool('js', {
loader: 'babel-loader',
options: this.getBabelOptions()
})
},
{
test: /\.css$/,
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oneOf: perfLoader.poolOneOf('css', styleLoader.apply('css'))
},
{
test: /\.less$/,
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oneOf: perfLoader.poolOneOf('css', styleLoader.apply('less', 'less-loader'))
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},
{
test: /\.sass$/,
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oneOf: perfLoader.poolOneOf('css', styleLoader.apply('sass', {
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loader: 'sass-loader',
options: { indentedSyntax: true }
}))
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},
{
test: /\.scss$/,
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oneOf: perfLoader.poolOneOf('css', styleLoader.apply('scss', 'sass-loader'))
},
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{
test: /\.styl(us)?$/,
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oneOf: perfLoader.poolOneOf('css', styleLoader.apply('stylus', 'stylus-loader'))
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},
{
test: /\.(png|jpe?g|gif|svg)$/,
use: perfLoader.pool('assets', {
loader: 'url-loader',
options: {
limit: 1000, // 1KO
name: this.getFileName('img')
}
})
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},
{
test: /\.(woff2?|eot|ttf|otf)(\?.*)?$/,
use: perfLoader.pool('assets', {
loader: 'url-loader',
options: {
limit: 1000, // 1 KO
name: this.getFileName('font')
}
})
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},
{
test: /\.(webm|mp4|ogv)$/,
use: perfLoader.pool('assets', {
loader: 'file-loader',
options: {
name: this.getFileName('video')
}
})
}
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]
}
plugins() {
const plugins = [ new VueLoader.VueLoaderPlugin() ]
Array.prototype.push.apply(plugins, this.options.build.plugins || [])
// Add timefix-plugin before others plugins
if (this.options.dev) {
plugins.unshift(new TimeFixPlugin())
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}
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// Hide warnings about plugins without a default export (#1179)
plugins.push(new WarnFixPlugin())
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// Build progress indicator
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plugins.push(new WebpackBar({
profile: this.options.build.profile,
name: this.isServer ? 'server' : 'client',
color: this.isServer ? 'orange' : 'green',
compiledIn: false,
done: (states) => {
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if (this.options.dev) {
const hasErrors = Object.values(states).some(state => state.stats.hasErrors())
if (!hasErrors) {
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this.nuxt.showReady(false)
}
}
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}
}))
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// Add stats plugin
if (!this.options.dev && this.options.build.stats) {
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plugins.push(new StatsPlugin(this.options.build.stats))
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}
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// CSS extraction
// MiniCssExtractPlugin does not currently supports SSR
// https://github.com/webpack-contrib/mini-css-extract-plugin/issues/48
// So we use css-loader/locals as a fallback (utils/style-loader)
if (this.options.build.extractCSS && !this.isServer) {
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plugins.push(new MiniCssExtractPlugin(Object.assign({
filename: this.getFileName('css'),
chunkFilename: this.getFileName('css')
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}, this.options.build.extractCSS)))
}
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return plugins
}
customize(config) {
if (typeof this.options.build.extend === 'function') {
const extendedConfig = this.options.build.extend.call(this.builder, config, this.nuxtEnv)
// Only overwrite config when something is returned for backwards compatibility
if (extendedConfig !== undefined) {
return extendedConfig
}
}
return config
}
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config() {
// Prioritize nested node_modules in webpack search path (#2558)
const webpackModulesDir = ['node_modules'].concat(this.options.modulesDir)
const config = {
name: this.name,
mode: this.options.dev ? 'development' : 'production',
devtool: this.devtool(),
optimization: this.optimization(),
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output: this.output(),
performance: {
maxEntrypointSize: 1000 * 1024,
hints: this.options.dev ? false : 'warning'
},
resolve: {
extensions: ['.wasm', '.mjs', '.js', '.json', '.vue', '.jsx'],
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alias: this.alias(),
modules: webpackModulesDir
},
resolveLoader: {
modules: webpackModulesDir
},
module: {
rules: this.rules()
},
plugins: this.plugins()
}
// Clone deep avoid leaking config between Client and Server
return _.cloneDeep(config)
}
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}