import path from 'path' import webpack from 'webpack' import HTMLPlugin from 'html-webpack-plugin' import BundleAnalyzer from 'webpack-bundle-analyzer' import UglifyJsWebpackPlugin from 'uglifyjs-webpack-plugin' import FriendlyErrorsWebpackPlugin from '@nuxtjs/friendly-errors-webpack-plugin' import VueSSRClientPlugin from './plugins/vue/client' import WebpackBaseConfig from './base' export default class WebpackClientConfig extends WebpackBaseConfig { constructor(builder) { super(builder, { name: 'client', isServer: false }) } env() { return Object.assign(super.env(), { 'process.env.VUE_ENV': JSON.stringify('client'), 'process.browser': true, 'process.client': true, 'process.server': false }) } plugins() { const plugins = super.plugins() // Generate output HTML for SSR if (this.options.build.ssr) { plugins.push( new HTMLPlugin({ filename: 'index.ssr.html', template: 'lodash!' + this.options.appTemplatePath, inject: false // Resources will be injected using bundleRenderer }) ) } plugins.push( new HTMLPlugin({ filename: 'index.spa.html', template: 'lodash!' + this.options.appTemplatePath, inject: true, chunksSortMode: 'dependency' }), new VueSSRClientPlugin({ filename: 'vue-ssr-client-manifest.json' }), new webpack.DefinePlugin(this.env()) ) if (this.options.dev) { plugins.push(new webpack.HotModuleReplacementPlugin()) } // Chunks size limit // https://webpack.js.org/plugins/aggressive-splitting-plugin/ if (!this.options.dev && this.options.build.maxChunkSize) { plugins.push( new webpack.optimize.AggressiveSplittingPlugin({ minSize: this.options.build.maxChunkSize, maxSize: this.options.build.maxChunkSize }) ) } // Webpack Bundle Analyzer // https://github.com/webpack-contrib/webpack-bundle-analyzer if (!this.options.dev && this.options.build.analyze) { const statsDir = path.resolve(this.options.buildDir, 'stats') plugins.push(new BundleAnalyzer.BundleAnalyzerPlugin(Object.assign({ analyzerMode: 'static', defaultSizes: 'gzip', generateStatsFile: true, openAnalyzer: !(this.options.ci || this.options.test), reportFilename: path.resolve(statsDir, 'client.html'), statsFilename: path.resolve(statsDir, 'client.json') }, this.options.build.analyze))) } return plugins } config() { let config = super.config() // Entry points config.entry = path.resolve(this.options.buildDir, 'client.js') // -- Optimization -- config.optimization = this.options.build.optimization // Small, known and common modules which are usually used project-wise // Sum of them may not be more than 244 KiB if ( this.options.build.splitChunks.commons === true && config.optimization.splitChunks.cacheGroups.commons === undefined ) { config.optimization.splitChunks.cacheGroups.commons = { test: /node_modules\/(vue|vue-loader|vue-router|vuex|vue-meta|core-js|babel-runtime|es6-promise|axios|webpack|setimediate|timers-browserify|process|regenerator-runtime|cookie|js-cookie|is-buffer|dotprop|nuxt\.js)\//, chunks: 'all', priority: 10, name: 'commons' } } // Make uglifyjs faster if (!this.options.dev && !config.optimization.minimizer) { // https://github.com/webpack-contrib/uglifyjs-webpack-plugin config.optimization.minimizer = [ new UglifyJsWebpackPlugin({ parallel: true, cache: this.options.build.cache, sourceMap: false, extractComments: { filename: 'LICENSES' }, uglifyOptions: { output: { comments: /^\**!|@preserve|@license|@cc_on/ } } }) ] } // Add HMR support if (this.options.dev) { config.entry = [ // 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 ] } // Add friendly error plugin if (this.options.dev) { config.plugins.push( new FriendlyErrorsWebpackPlugin({ clearConsole: true, logLevel: 'WARNING' }) ) } // Extend config if (typeof this.options.build.extend === 'function') { const isDev = this.options.dev const extendedConfig = this.options.build.extend.call(this.builder, config, { isDev, isClient: true }) // Only overwrite config when something is returned for backwards compatibility if (extendedConfig !== undefined) { config = extendedConfig } } return config } }