Nuxt/lib/builder/webpack/client.config.js

232 lines
6.7 KiB
JavaScript

const { each } = require('lodash')
const webpack = require('webpack')
const VueSSRClientPlugin = require('vue-server-renderer/client-plugin')
const HTMLPlugin = require('html-webpack-plugin')
const FriendlyErrorsWebpackPlugin = require('friendly-errors-webpack-plugin')
const UglifyJSPlugin = require('uglifyjs-webpack-plugin')
const ProgressBarPlugin = require('progress-bar-webpack-plugin')
const ProgressPlugin = require('webpack/lib/ProgressPlugin')
const { BundleAnalyzerPlugin } = require('webpack-bundle-analyzer')
const { resolve } = require('path')
const { existsSync } = require('fs')
const Debug = require('debug')
const Chalk = require('chalk')
const { printWarn } = require('../../common/utils')
const base = require('./base.config.js')
const debug = Debug('nuxt:build')
debug.color = 2 // Force green color
/*
|--------------------------------------------------------------------------
| Webpack Client Config
|
| Generate public/dist/client-vendor-bundle.js
| Generate public/dist/client-bundle.js
|
| In production, will generate public/dist/style.css
|--------------------------------------------------------------------------
*/
module.exports = function webpackClientConfig() {
let config = base.call(this, { name: 'client', isServer: false })
// Entry points
config.entry.app = resolve(this.options.buildDir, 'client.js')
config.entry.vendor = this.vendor()
// Env object defined in nuxt.config.js
let env = {}
each(this.options.env, (value, key) => {
env['process.env.' + key] =
['boolean', 'number'].indexOf(typeof value) !== -1
? value
: JSON.stringify(value)
})
// Generate output HTML for SPA
config.plugins.push(
new HTMLPlugin({
filename: 'index.spa.html',
template: this.options.appTemplatePath,
inject: true,
chunksSortMode: 'dependency'
})
)
// Generate output HTML for SSR
if (this.options.build.ssr) {
config.plugins.push(
new HTMLPlugin({
filename: 'index.ssr.html',
template: this.options.appTemplatePath,
inject: false // Resources will be injected using bundleRenderer
})
)
}
// Generate vue-ssr-client-manifest
config.plugins.push(
new VueSSRClientPlugin({
filename: 'vue-ssr-client-manifest.json'
})
)
// Define Env
config.plugins.push(
new webpack.DefinePlugin(
Object.assign(env, {
'process.env.VUE_ENV': JSON.stringify('client'),
'process.mode': JSON.stringify(this.options.mode),
'process.browser': true,
'process.client': true,
'process.server': false,
'process.static': this.isStatic
})
)
)
// Build progress bar
if (this.options.build.profile) {
config.plugins.push(
new ProgressPlugin({
profile: true
})
)
} else {
config.plugins.push(
new ProgressBarPlugin({
complete: Chalk.green('█'),
incomplete: Chalk.white('█'),
format: ' :bar ' + Chalk.green.bold(':percent') + ' :msg',
clear: false
})
)
}
const shouldClearConsole =
this.options.build.stats !== false &&
this.options.build.stats !== 'errors-only'
// Add friendly error plugin
config.plugins.push(
new FriendlyErrorsWebpackPlugin({ clearConsole: shouldClearConsole })
)
// --------------------------------------
// Dev specific config
// --------------------------------------
if (this.options.dev) {
// Add HMR support
config.entry.app = [
// https://github.com/glenjamin/webpack-hot-middleware#config
`webpack-hot-middleware/client?name=client&reload=true&timeout=30000&path=${
this.options.router.base
}/__webpack_hmr`.replace(/\/\//g, '/'),
config.entry.app
]
// HMR
config.plugins.push(new webpack.HotModuleReplacementPlugin())
// DllReferencePlugin
if (this.options.build.dll) {
dllPlugin.call(this, config)
}
}
// --------------------------------------
// Production specific config
// --------------------------------------
if (!this.options.dev) {
// Chunks size limit
// https://webpack.js.org/plugins/aggressive-splitting-plugin/
if (this.options.build.maxChunkSize) {
config.plugins.push(
new webpack.optimize.AggressiveSplittingPlugin({
minSize: this.options.build.maxChunkSize,
maxSize: this.options.build.maxChunkSize
})
)
}
// https://webpack.js.org/plugins/hashed-module-ids-plugin
config.plugins.push(new webpack.HashedModuleIdsPlugin())
// Minify JS
// https://github.com/webpack-contrib/uglifyjs-webpack-plugin
if (this.options.build.uglify !== false) {
config.plugins.push(
new UglifyJSPlugin(
Object.assign(
{
// cache: true,
sourceMap: true,
parallel: true,
extractComments: {
filename: 'LICENSES'
},
uglifyOptions: {
output: {
comments: /^\**!|@preserve|@license|@cc_on/
}
}
},
this.options.build.uglify
)
)
)
}
// Webpack Bundle Analyzer
if (this.options.build.analyze) {
config.plugins.push(
new BundleAnalyzerPlugin(Object.assign({}, this.options.build.analyze))
)
}
}
// Extend config
if (typeof this.options.build.extend === 'function') {
const isDev = this.options.dev
const extendedConfig = this.options.build.extend.call(this, config, {
get dev() {
printWarn('dev has been deprecated in build.extend(), please use isDev')
return isDev
},
isDev,
isClient: true
})
// Only overwrite config when something is returned for backwards compatibility
if (extendedConfig !== undefined) {
config = extendedConfig
}
}
return config
}
// --------------------------------------------------------------------------
// Adds DLL plugin
// https://github.com/webpack/webpack/tree/master/examples/dll-user
// --------------------------------------------------------------------------
function dllPlugin(config) {
const _dlls = []
const vendorEntries = this.vendorEntries()
const dllDir = resolve(this.options.cacheDir, config.name + '-dll')
Object.keys(vendorEntries).forEach(v => {
const dllManifestFile = resolve(dllDir, v + '-manifest.json')
if (existsSync(dllManifestFile)) {
_dlls.push(v)
config.plugins.push(
new webpack.DllReferencePlugin({
// context: this.options.rootDir,
manifest: dllManifestFile // Using full path to allow finding .js dll file
})
)
}
})
if (_dlls.length) {
debug('Using dll for ' + _dlls.join(','))
}
}