const gulp = require('gulp'); const webpackStream = require('webpack-stream'); const livereload = require('gulp-livereload'); const path = require('path'); const webpack = require('webpack'); const errorHandler = require('./helpers/errorHandler'); const OptimizeCssAssetsPlugin = require('optimize-css-assets-webpack-plugin'); const MiniCssExtractPlugin = require('mini-css-extract-plugin'); const HtmlWebpackPlugin = require('html-webpack-plugin'); const HtmlWebpackPluginHtmlTags = require('html-webpack-plugin/lib/html-tags'); const TerserPlugin = require('terser-webpack-plugin'); const uiFolder = 'UI'; const frontendFolder = path.join(__dirname, '..'); const srcFolder = path.join(frontendFolder, 'src'); const isProduction = process.argv.indexOf('--production') > -1; const isProfiling = isProduction && process.argv.indexOf('--profile') > -1; const inlineWebWorkers = 'no-fallback'; const distFolder = path.resolve(frontendFolder, '..', '_output', uiFolder); console.log('Source Folder:', srcFolder); console.log('Output Folder:', distFolder); console.log('isProduction:', isProduction); console.log('isProfiling:', isProfiling); const cssVarsFiles = [ '../src/Styles/Variables/colors', '../src/Styles/Variables/dimensions', '../src/Styles/Variables/fonts', '../src/Styles/Variables/animations', '../src/Styles/Variables/zIndexes' ].map(require.resolve); // Override the way HtmlWebpackPlugin injects the scripts // TODO: Find a better way to get these paths without HtmlWebpackPlugin.prototype.injectAssetsIntoHtml = function(html, assets, assetTags) { const head = assetTags.headTags.map((v) => { const href = v.attributes.href .replace('\\', '/') .replace('%5C', '/'); v.attributes = { rel: 'stylesheet', type: 'text/css', href: `/${href}` }; return HtmlWebpackPluginHtmlTags.htmlTagObjectToString(v, this.options.xhtml); }); const body = assetTags.bodyTags.map((v) => { v.attributes = { src: `/${v.attributes.src}` }; return HtmlWebpackPluginHtmlTags.htmlTagObjectToString(v, this.options.xhtml); }); return html .replace('', head.join('\r\n ')) .replace('', body.join('\r\n ')); }; const plugins = [ new webpack.IgnorePlugin({ resourceRegExp: /(fetch-cookie|node-fetch|tough-cookie)/ }), new OptimizeCssAssetsPlugin({}), new webpack.DefinePlugin({ __DEV__: !isProduction, 'process.env.NODE_ENV': isProduction ? JSON.stringify('production') : JSON.stringify('development') }), new MiniCssExtractPlugin({ filename: path.join('Content', 'styles.css') }), new HtmlWebpackPlugin({ template: 'frontend/src/index.html', filename: 'index.html' }) ]; const config = { mode: isProduction ? 'production' : 'development', devtool: '#source-map', stats: { children: false }, watchOptions: { ignored: /node_modules/ }, entry: { index: 'index.js' }, resolve: { modules: [ srcFolder, path.join(srcFolder, 'Shims'), 'node_modules' ], alias: { jquery: 'jquery/src/jquery' } }, output: { path: distFolder, filename: '[name].js', sourceMapFilename: '[file].map' }, optimization: { chunkIds: 'named', splitChunks: { chunks: 'initial' } }, performance: { hints: false }, plugins, resolveLoader: { modules: [ 'node_modules', 'frontend/gulp/webpack/' ] }, module: { rules: [ { test: /\.worker\.js$/, use: { loader: 'worker-loader', options: { filename: '[name].js', inline: inlineWebWorkers } } }, { test: /\.js?$/, exclude: /(node_modules|JsLibraries)/, use: [ { loader: 'babel-loader', options: { configFile: `${frontendFolder}/babel.config.js`, envName: isProduction ? 'production' : 'development', presets: [ [ '@babel/preset-env', { modules: false, loose: true, debug: false, useBuiltIns: 'entry', corejs: 3 } ] ] } } ] }, // CSS Modules { test: /\.css$/, exclude: /(node_modules|globals.css)/, use: [ { loader: MiniCssExtractPlugin.loader }, { loader: 'css-loader', options: { importLoaders: 1, modules: { localIdentName: '[name]/[local]/[hash:base64:5]' } } }, { loader: 'postcss-loader', options: { ident: 'postcss', config: { ctx: { cssVarsFiles }, path: 'frontend/postcss.config.js' } } } ] }, // Global styles { test: /\.css$/, include: /(node_modules|globals.css)/, use: [ 'style-loader', { loader: 'css-loader' } ] }, // Fonts { test: /\.woff(2)?(\?v=[0-9]\.[0-9]\.[0-9])?$/, use: [ { loader: 'url-loader', options: { limit: 10240, mimetype: 'application/font-woff', emitFile: false, name: 'Content/Fonts/[name].[ext]' } } ] }, { test: /\.(ttf|eot|eot?#iefix|svg)(\?v=[0-9]\.[0-9]\.[0-9])?$/, use: [ { loader: 'file-loader', options: { emitFile: false, name: 'Content/Fonts/[name].[ext]' } } ] } ] } }; if (isProfiling) { config.resolve.alias['react-dom$'] = 'react-dom/profiling'; config.resolve.alias['scheduler/tracing'] = 'scheduler/tracing-profiling'; config.optimization.minimizer = [ new TerserPlugin({ cache: true, parallel: true, sourceMap: true, // Must be set to true if using source-maps in production terserOptions: { mangle: false, keep_classnames: true, keep_fnames: true } }) ]; } gulp.task('webpack', () => { return webpackStream(config) .pipe(gulp.dest('_output/UI')); }); gulp.task('webpackWatch', () => { config.watch = true; return webpackStream(config, webpack) .on('error', errorHandler) .pipe(gulp.dest('_output/UI')) .on('error', errorHandler) .pipe(livereload()) .on('error', errorHandler); });