webpack.config.js

const path = require('path');

const isProdMode = (argv) => argv.mode === "production";

const sourceMapRule = (argv) => {
  if (isProdMode(argv)) {
    return {
      test: /\.(js|ts|tsx)$/,
      use: ["source-map-loader"],
      enforce: "pre"
    };
  }

  return {};
}

module.exports = (env, argv) => ({
  entry: './src/index.ts',
  devtool: !isProdMode(argv) ? "cheap-module-eval-source-map" : false,
  plugins: [],
  module: {
    rules: [
      sourceMapRule(argv),
      {
        test: /\.ts$/,
        enforce: "pre",
        use: [
          {
            loader: "tslint-loader",
            options: {
              failOnHint: isProdMode(argv),
              fix: !isProdMode(argv)
            }
          }
        ]
      },
      {
        test: /\.tsx?$/,
        use: 'ts-loader',
        exclude: /node_modules/
      }
    ]
  },
  resolve: {
    extensions: ['.tsx', '.ts', '.js']
  },
  output: {
    filename: 'index.js',
    path: path.resolve(__dirname, 'dist'),
    library: 'dynamic-query-builder-client',
    libraryTarget: 'umd'
  },
  externals: {
    'moment': 'moment'
  }
});