sati-js/webpack.config.js

const path = require('path')

const build = env => ({
	mode: 'production',
	entry: './src/index.ts',
	module: {
		rules: [{
			test: /\.ts$/,
			use: {
				loader: 'ts-loader',
				options: {
					compilerOptions: {
						module: 'esnext',
						paths: {
							'%env%': [`./src/env/${env}`]
						}
					}
				}
			},
			exclude: /node_modules/
		}],
	},
	resolve: {
		alias: {
			'%env%': path.resolve(__dirname, `src/env/${env}`)
		},
		extensions: [ '.ts', '.js' ]
	},
})

module.exports = [{
	// prebuilt binary, for browser usage
	...build('web'),
	output: {
		library: {
			name: 'Sati',
			type: 'umd'
		},
		filename: `sati.web.umd.js`
	}
}, {
	// prebuilt binary with external dependencies, for browser usage with bundlers
	...build('web'),
	output: {
		library: {
			type: 'module'
		},
		filename: `sati.web.esm.js`
	},
	externals: /^[^\.%]/,
	experiments: {
		outputModule: true
	}
}, {
	// prebuilt node version
	...build('node'),
	output: {
		library: {
			type: 'commonjs2'
		},
		filename: `sati.node.cjs.js`
	},
	externals: /^[^\.%]/,
	optimization: {
		minimize: false
	}
}, {
	// prebuilt node esm version
	...build('node'),
	output: {
		library: {
			type: 'module'
		},
		filename: 'sati.node.esm.mjs'
	},
	externals: /^[^\.%]/,
	optimization: {
		minimize: false
	},
	experiments: {
		outputModule: true
	}
}]