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webpack.config.js
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webpack.config.js
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/* eslint-disable @typescript-eslint/no-var-requires */
const webpack = require('webpack')
const {mergeWithCustomize, customizeObject} = require('webpack-merge')
const TerserPlugin = require('terser-webpack-plugin')
const CssMinimizerPlugin = require('css-minimizer-webpack-plugin')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const CopyWebpackPlugin = require('copy-webpack-plugin')
const MiniCssExtractPlugin = require('mini-css-extract-plugin')
const GoogleFontsPlugin = require('@beyonk/google-fonts-webpack-plugin')
const DotenvWebpack = require('dotenv-webpack')
const ForkTsCheckerWebpackPlugin = require('fork-ts-checker-webpack-plugin')
// use absolute paths to avoid build errors and other surprises
const path = require('path')
const rootPath = __dirname
const sourcePath = path.join(rootPath, './src')
const distPath = path.join(rootPath, './dist')
const staticPath = path.join(rootPath, './static')
const stylePath = path.join(rootPath, './style')
const libPath = path.join(rootPath, './node_modules')
const tsConfigPath = path.join(rootPath, './tsconfig.json')
// load vars for current config file
require('dotenv-safe').config({
allowEmptyValues: false,
example: path.join(rootPath, './.env.example'),
})
const isProd = process.env.NODE_ENV === 'production'
let combinedConfig = {}
// per key merging strategy
const mergeStrategy = {
'entry.js': 'prepend',
}
const cssLoaderWithOptions = {
loader: 'css-loader',
options: {
url: false,
},
}
// config used as a base for both production and development
const baseConfig = {
context: sourcePath,
devServer: {
host: '0.0.0.0',
allowedHosts: 'all',
static: {
directory : staticPath,
},
historyApiFallback: {
disableDotRule: true,
},
client: {
logging: process.env.DEV_CLIENT_LOG_LEVEL,
},
port: process.env.DEV_SERVER_PORT,
},
stats: {
children: false,
modules: false,
},
entry: {
js: [
path.join(libPath, 'react-dates/initialize.js'),
path.join(libPath, 'react-dates/lib/css/_datepicker.css'),
path.join(sourcePath, 'index.tsx'),
path.join(stylePath, 'app.scss'),
],
},
module: {
rules: [
{
test: /\.(html|ico|htaccess)$/,
exclude: /node_modules/,
use: {
loader: 'file-loader',
options: {
name: '[name].[hash].[ext]',
},
},
},
{
test: /\.[tj]sx?$/,
exclude: /node_modules/,
use: {
loader: 'babel-loader',
options: {
cacheDirectory: true,
cacheCompression: false,
},
},
},
{
test: /.(ttf|otf|eot|svg|woff(2)?)(\?[a-z0-9]+)?$/,
use: [
{
loader: 'file-loader',
options: {
name: '[name].[ext]',
outputPath: 'fonts/',
publicPath: '/fonts/',
},
},
],
},
],
},
output: {
path: distPath,
publicPath: '/',
filename: 'bundle.[hash].js',
},
plugins: [
new webpack.DefinePlugin({
'process.env.BUILD_TIME': JSON.stringify(new Date()),
}),
new DotenvWebpack(),
new HtmlWebpackPlugin({
template: path.join(staticPath, 'index.ejs'),
inject: 'body',
}),
new ForkTsCheckerWebpackPlugin({
async: false,
eslint: {
enabled: false,
files: '**/*.{ts,tsx}',
},
typescript: {
configFile: tsConfigPath,
},
}),
// downloads fonts directly from google fonts
new GoogleFontsPlugin({
fonts: [
{
family: 'Open Sans',
variants: ['400', '700'],
},
],
formats: ['woff'],
encode: true,
cache: true,
}),
],
resolve: {
extensions: ['.ts', '.tsx', '.js', '.jsx', '.scss', '.css'],
modules: [sourcePath, 'node_modules'],
},
}
// production specific settings
if (isProd) {
const prodConfig = {
devServer: {
compress: true,
hot: false,
},
entry: {
// polyfill for older browsers
js: ['@babel/polyfill'],
},
module: {
rules: [
{
test: /\.scss$/,
use: [MiniCssExtractPlugin.loader, cssLoaderWithOptions, 'sass-loader'],
},
{
test: /\.css$/,
use: [MiniCssExtractPlugin.loader, cssLoaderWithOptions],
},
],
},
optimization: {
minimizer: [new TerserPlugin(), new CssMinimizerPlugin()],
},
performance: {
maxAssetSize: 3e6,
maxEntrypointSize: 3e6,
hints: 'warning',
},
plugins: [
new MiniCssExtractPlugin({
filename: 'style.[hash].css',
chunkFilename: '[id].css',
}),
new CopyWebpackPlugin({patterns: [{from: staticPath, to: distPath, globOptions: {ignore: ['**/*.ejs']}}]}),
],
}
combinedConfig = mergeWithCustomize({customizeObject: customizeObject(mergeStrategy)})(baseConfig, prodConfig)
} else {
// development specific settings
const devConfig = {
devServer: {
compress: false,
hot: true,
},
devtool: 'source-map',
module: {
rules: [
{
test: /\.scss$/,
use: [
'style-loader', // fallback to style-loader in development for hot reload
cssLoaderWithOptions,
'sass-loader',
],
},
{
test: /\.css$/,
use: [
'style-loader', // fallback to style-loader in development for hot reload
cssLoaderWithOptions,
],
},
],
},
resolve: {
alias: {
// redirects the normal react-dom to the hotloader version for development
'react-dom': '@hot-loader/react-dom',
},
},
}
combinedConfig = mergeWithCustomize({customizeObject: customizeObject(mergeStrategy)})(baseConfig, devConfig)
}
module.exports = combinedConfig