webpack.config.js

const path = require('path');
const webpack = require('webpack');

const isdev = (process.env.NODE_ENV || 'development') === 'development';
const config = {
  mode: isdev ? 'development' : 'production',
  watch: process.env.WATCH === 'true',
  devtool: 'source-map',
  entry: {
    'ui-router-react': ['./src/index.ts'],
    'ui-router-react.min': ['./src/index.ts'],
  },
  output: {
    path: path.resolve(__dirname, '_bundles'),
    filename: '[name].js',
    libraryTarget: 'umd',
    library: 'UIRouterReact',
    umdNamedDefine: true,
  },
  resolve: {
    extensions: ['.ts', '.tsx', '.js'],
  },
  module: {
    rules: [
      {
        test: /\.tsx?$/,
        loader: 'ts-loader',
        exclude: /(node_modules|__tests__)/,
      },
    ],
  },
  externals: {
    react: { root: 'React', amd: 'react', commonjs2: 'react', commonjs: 'react' },
  },
};

module.exports = config;