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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 */
/* eslint-env node */
const resolve = require('path').resolve;
const pkg = require('./package.json');
const webpack = require('webpack');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const ForkTsCheckerWebpackPlugin = require('fork-ts-checker-webpack-plugin');
const now = new Date();
const prefix = (n) => (n < 10 ? '0' + n : n.toString());
const buildId = `${now.getUTCFullYear()}${prefix(now.getUTCMonth() + 1)}${prefix(now.getUTCDate())}-${prefix(
now.getUTCHours()
)}${prefix(now.getUTCMinutes())}${prefix(now.getUTCSeconds())}`;
const year = new Date().getFullYear();
const banner =
`/*! ${pkg.title || pkg.name} - v${pkg.version} - ${year}\n` +
(pkg.homepage ? `* ${pkg.homepage}\n` : '') +
`* Copyright (c) ${year} ${pkg.author.name}; Licensed ${pkg.license} */\n`;
/**
* generate a webpack configuration
*/
module.exports = (_env, options) => {
const dev = options.mode.startsWith('d');
return {
node: false, // no polyfills
entry: dev
? {
LineUpJSx: './src/bundle.ts',
builder2: './demo/builder2.tsx',
builder3: './demo/builder3.tsx',
highlight: './demo/highlight.tsx',
}
: {
LineUpJSx: './src/bundle.ts',
},
output: {
path: resolve(__dirname, 'build'),
filename: `[name].js`,
chunkFilename: '[chunkhash].js',
publicPath: '', //no public path = relative
library: pkg.global,
libraryTarget: 'umd',
umdNamedDefine: false, //anonymous require module
},
resolve: {
extensions: ['.ts', '.tsx', '.mjs', '.js'],
symlinks: false,
},
plugins: [
new webpack.BannerPlugin({
banner: banner,
raw: true,
}),
//define magic constants that are replaced
new webpack.DefinePlugin({
__DEBUG__: dev,
__VERSION__: JSON.stringify(pkg.version),
__LICENSE__: JSON.stringify(pkg.license),
__BUILD_ID__: JSON.stringify(buildId),
}),
new MiniCssExtractPlugin({
// Options similar to the same options in webpackOptions.output
// both options are optional
filename: '[name].css',
chunkFilename: '[id].css',
}),
new ForkTsCheckerWebpackPlugin(),
],
externals: {
//react always external
react: {
amd: 'react',
root: 'React',
commonjs: 'react',
commonjs2: 'react',
},
'react-dom': {
amd: 'react-dom',
root: 'ReactDOM',
commonjs: 'react-dom',
commonjs2: 'react-dom',
},
},
module: {
rules: [
{
test: /\.s?css$/,
use: [MiniCssExtractPlugin.loader, 'css-loader', 'sass-loader'],
},
{
test: /\.tsx?$/,
exclude: /node_modules/,
use: [
{
loader: 'thread-loader',
options: {
// there should be 1 cpu for the fork-ts-checker-webpack-plugin
workers: require('os').cpus().length - 1,
},
},
{
loader: 'ts-loader',
options: {
configFile: dev ? 'tsconfig.dev.json' : 'tsconfig.json',
happyPackMode: true, // IMPORTANT! use happyPackMode mode to speed-up compilation and reduce errors reported to webpack
},
},
].slice(process.env.CI || !dev ? 1 : 0), // no optimizations for CIs and in production mode
},
{
test: /\.(png|jpe?g|gif|svg|eot|ttf|woff|woff2)$/i,
// More information here https://webpack.js.org/guides/asset-modules/
type: 'asset',
},
{
test: /schema\.json$/,
type: 'javascript/auto',
},
],
},
watchOptions: {
ignored: /node_modules/,
},
devServer: {
static: './demo',
},
};
};