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webpack.config.js
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webpack.config.js
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const fs = require('fs');
const path = require('path');
const webpack = require('webpack');
const TerserPlugin = require('terser-webpack-plugin');
module.exports = (env) => {
const package = JSON.parse(fs.readFileSync(path.resolve(__dirname, './package.json')));
const banner = `@version ${package.name} ${package.version}`;
const minimize = !!(env && env.minimize);
console.log(banner);
const webpackConfig = {
mode: 'production',
target: 'web',
entry: { domloaded: './src/domloaded.js' },
output: {
chunkLoading: false,
wasmLoading: false,
path: path.resolve(__dirname, 'dist/'),
filename: minimize ? '[name].min.js' : '[name].js',
library: 'domloaded',
libraryTarget: 'window',
libraryExport: 'default',
},
module: {
rules: [
{
include: [path.resolve(__dirname, 'src/')],
test: /\.m?js$/i,
loader: 'babel-loader',
options: {
presets: [['@babel/preset-env', { loose: true }]],
// plugins: ['minify-simplify', 'minify-guarded-expressions', 'minify-mangle-names'],
},
},
],
},
devtool: minimize ? 'source-map' : false,
optimization: {
minimize: minimize,
minimizer: [
new TerserPlugin({
terserOptions: {
format: { comments: /@version/i },
mangle: { module: true },
},
extractComments: false,
}),
],
},
plugins: [new webpack.BannerPlugin({ banner, entryOnly: true })],
};
return webpackConfig;
};