150 lines
5.1 KiB
JavaScript
Executable File
150 lines
5.1 KiB
JavaScript
Executable File
// This is the prod Webpack config. All settings here should prefer smaller,
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// optimized bundles at the expense of a longer build time.
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const Merge = require('webpack-merge');
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const commonConfig = require('./webpack.common.config.js');
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const path = require('path');
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const webpack = require('webpack');
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const CleanWebpackPlugin = require('clean-webpack-plugin');
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const HtmlWebpackPlugin = require('html-webpack-plugin');
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const MiniCssExtractPlugin = require('mini-css-extract-plugin');
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module.exports = Merge.smart(commonConfig, {
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mode: 'production',
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devtool: 'source-map',
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output: {
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filename: '[name].[chunkhash].js',
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path: path.resolve(__dirname, '../dist'),
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},
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module: {
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// Specify file-by-file rules to Webpack. Some file-types need a particular kind of loader.
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rules: [
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// The babel-loader transforms newer ES2015+ syntax to older ES5 for older browsers.
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// Babel is configured with the .babelrc file at the root of the project.
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{
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test: /\.(js|jsx)$/,
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include: [
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path.resolve(__dirname, '../src'),
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],
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loader: 'babel-loader',
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},
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// Webpack, by default, includes all CSS in the javascript bundles. Unfortunately, that means:
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// a) The CSS won't be cached by browsers separately (a javascript change will force CSS
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// re-download). b) Since CSS is applied asyncronously, it causes an ugly
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// flash-of-unstyled-content.
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//
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// To avoid these problems, we extract the CSS from the bundles into separate CSS files that
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// can be included as <link> tags in the HTML <head> manually.
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//
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// We will not do this in development because it prevents hot-reloading from working and it
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// increases build time.
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{
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test: /(.scss|.css)$/,
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use: [
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MiniCssExtractPlugin.loader,
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{
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loader: 'css-loader', // translates CSS into CommonJS
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options: {
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sourceMap: true,
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minimize: true,
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},
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},
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'postcss-loader',
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{
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loader: 'sass-loader', // compiles Sass to CSS
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options: {
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sourceMap: true,
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includePaths: [
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path.join(__dirname, '../node_modules'),
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path.join(__dirname, '../src'),
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],
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},
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},
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],
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},
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// Webpack, by default, uses the url-loader for images and fonts that are required/included by
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// files it processes, which just base64 encodes them and inlines them in the javascript
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// bundles. This makes the javascript bundles ginormous and defeats caching so we will use the
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// file-loader instead to copy the files directly to the output directory.
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{
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test: /\.(woff2?|ttf|svg|eot)(\?v=\d+\.\d+\.\d+)?$/,
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loader: 'file-loader',
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},
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{
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test: /\.(jpe?g|png|gif|ico)(\?v=\d+\.\d+\.\d+)?$/,
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use: [
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'file-loader',
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{
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loader: 'image-webpack-loader',
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options: {
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optimizationlevel: 7,
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mozjpeg: {
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progressive: true,
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},
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gifsicle: {
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interlaced: false,
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},
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pngquant: {
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quality: '65-90',
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speed: 4,
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},
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},
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},
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],
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},
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],
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},
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// New in Webpack 4. Replaces CommonChunksPlugin. Extract common modules among all chunks to one
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// common chunk and extract the Webpack runtime to a single runtime chunk.
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optimization: {
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runtimeChunk: 'single',
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splitChunks: {
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chunks: 'all',
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},
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},
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// Specify additional processing or side-effects done on the Webpack output bundles as a whole.
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plugins: [
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// Cleans the dist directory before each build
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new CleanWebpackPlugin(['dist'], {
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root: path.join(__dirname, '../'),
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}),
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// Writes the extracted CSS from each entry to a file in the output directory.
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new MiniCssExtractPlugin({
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filename: '[name].[chunkhash].css',
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}),
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// Generates an HTML file in the output directory.
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new HtmlWebpackPlugin({
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inject: true, // Appends script tags linking to the webpack bundles at the end of the body
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template: path.resolve(__dirname, '../public/index.html'),
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}),
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new webpack.EnvironmentPlugin({
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NODE_ENV: 'production',
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BASE_URL: null,
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LMS_BASE_URL: null,
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LOGIN_URL: null,
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LOGOUT_URL: null,
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CSRF_TOKEN_API_PATH: null,
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REFRESH_ACCESS_TOKEN_ENDPOINT: null,
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SEGMENT_KEY: null,
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ACCESS_TOKEN_COOKIE_NAME: null,
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CSRF_COOKIE_NAME: 'csrftoken',
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NEW_RELIC_APP_ID: null,
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NEW_RELIC_LICENSE_KEY: null,
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SITE_NAME: null,
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MARKETING_SITE_BASE_URL: null,
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SUPPORT_URL: null,
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CONTACT_URL: null,
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OPEN_SOURCE_URL: null,
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TERMS_OF_SERVICE_URL: null,
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PRIVACY_POLICY_URL: null,
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FACEBOOK_URL: null,
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TWITTER_URL: null,
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YOU_TUBE_URL: null,
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LINKED_IN_URL: null,
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GOOGLE_PLUS_URL: null,
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REDDIT_URL: null,
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APPLE_APP_STORE_URL: null,
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GOOGLE_PLAY_URL: null,
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}),
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],
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});
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