webpack-transform.config.js

const path = require('path');

module.exports = (env, argv) => ({
  mode: argv.mode === 'production' ? 'production' : 'development',

  entry: {
    transform: './src/utils/transform.ts', // The entry point for your plugin code
  },

  module: {
    rules: [
      // Converts TypeScript code to JavaScript
      {
        test: /\.tsx?$/,
        use: [
          {
            loader: 'babel-loader',
          },
        ],
        exclude: /node_modules/,
      },
    ],
  },

  // Webpack tries these extensions for you if you omit the extension like "import './file'"
  resolve: {
    alias: {
      Types: path.resolve(__dirname, 'types'),
      '@types': path.resolve(__dirname, 'types'),
      '@': path.resolve(__dirname, 'src'),
    },
    extensions: ['.tsx', '.ts', '.jsx', '.js'],
  },

  output: {
    filename: '[name].js',
    path: path.resolve(__dirname, 'token-transformer/dist'), // Compile into a folder called "dist"
    library: 'tokenTransformer',
    libraryTarget: 'commonjs2',
  },
});