production.js

const path = require("path");
const webpack = require("webpack");
const merge = require("webpack-merge");
const TsconfigPathsPlugin = require("tsconfig-paths-webpack-plugin");
const TerserJSPlugin = require("terser-webpack-plugin");

const baseConfig = require("./base");

module.exports = merge(baseConfig, {
  mode: "production",
  devtool: false,
  resolve: {
    unsafeCache: true,
    plugins: [
      new TsconfigPathsPlugin({ configFile: path.resolve(__dirname, "../tsconfig.json") })
    ]
  },
  entry: {
    index: path.resolve(__dirname, "../src/index.tsx")
  },
  output: {
    filename: "[name].js",
    path: path.resolve(__dirname, "../dist"),
    libraryTarget: 'commonjs2'
  },
  plugins: [
    new webpack.DefinePlugin({
      "process.env.NODE_ENV": JSON.stringify("production")
    })
  ],
  optimization: {
    minimizer: [
      new TerserJSPlugin({ extractComments: false })
    ]
  }
});