webpack.config.js

module.exports = {
    mode: 'production',
    entry: './src/index.ts',

    output: {
        library: 'galaxy-doc-builder',
        libraryTarget: 'umd',
        umdNamedDefine: true,
    },

    // Enable sourcemaps for debugging webpack's output.
    devtool: 'source-map',

    resolve: {
        // Add '.ts' and '.tsx' as resolvable extensions.
        extensions: ['.ts', '.tsx', '.js', '.jsx'],
    },

    module: {
        rules: [
            {
                test: /\.ts(x?)$/,
                exclude: /node_modules/,
                use: [
                    {
                        loader: 'ts-loader',
                    },
                ],
            },
            // All output '.js' files will have any sourcemaps re-processed by 'source-map-loader'.
            {
                enforce: 'pre',
                exclude: /node_modules/,
                test: /\.js$/,
                loader: 'source-map-loader',
            },
            {
                test: /\.scss$/,
                loaders: ['style-loader', 'css-loader', 'sass-loader'],
            },
            {
                test: /\.css$/,
                loaders: ['style-loader', 'css-loader'],
            },
            {
                test: /\.(gif|png|jpe?g|svg|ttf|eot|woff|woff2)$/,
                use: [
                    'file-loader',
                    {
                        loader: 'image-webpack-loader',
                        options: {
                            disable: true,
                        },
                    },
                ],
            },
        ],
    },

    // When importing a module whose path matches one of the following, just
    // assume a corresponding global variable exists and use that instead.
    // This is important because it allows us to avoid bundling all of our
    // dependencies, which allows browsers to cache those libraries between builds.
    externals: {
        react: 'react',
        'react-dom': 'reactDOM',
    },
};