webpack.config.js

'use strict';

const path = require('path');
const webpack = require('webpack');
const webpackRxjsExternals = require('webpack-rxjs-externals');

module.exports = env => {
  let filename = 'backoff-rxjs.umd.js';
  let mode = 'development';

  if (env && env.production) {
    filename = 'backoff-rxjs.min.umd.js';
    mode = 'production';
  }

  return {
    context: path.join(__dirname, './'),
    entry: {
      index: './src/index.ts'
    },
    externals: webpackRxjsExternals(),
    mode,
    module: {
      rules: [
        {
          test: /\.ts$/,
          use: {
            loader: 'ts-loader',
            options: {
              compilerOptions: {
                declaration: false
              },
              configFile: 'tsconfig-dist-cjs.json'
            }
          }
        }
      ]
    },
    output: {
      filename,
      library: 'backoff-rxjs',
      libraryTarget: 'umd',
      path: path.resolve(__dirname, './bundles')
    },
    resolve: {
      extensions: ['.ts', '.js']
    }
  };
};