webpack.config.js

var BitBarWebpackProgressPlugin = require("bitbar-webpack-progress-plugin");

module.exports = {
  entry: './src/client/index.tsx',
  output: {
    filename: '[name].bundle.js',
    path: `${__dirname}/dist/js`,
    libraryTarget: 'amd',
  },
  plugins: [
    new BitBarWebpackProgressPlugin()
  ],

  // Enable sourcemaps for debugging webpack's output.
  devtool: 'source-map',

  resolve: {
    // Add '.ts' and '.tsx' as resolvable extensions.
    extensions: ['', '.webpack.js', '.web.js', '.ts', '.tsx', '.js'],
  },

  module: {
    loaders: [
      // All files with a '.ts' or '.tsx' extension will be handled by 'awesome-typescript-loader'.
      { test: /\.tsx?$/, loader: 'awesome-typescript-loader' },
    ],

    preLoaders: [
      // All output '.js' files will have any sourcemaps re-processed by 'source-map-loader'.
      { test: /\.js$/, loader: 'source-map-loader' },
    ],
  },
  // When importing a module whose path matches one of the following, just
  // assume a corresponding global variable exists and use that instead.
  // This is important because it allows us to avoid bundling all of our
  // dependencies, which allows browsers to cache those libraries between builds.
  externals: [
    function (context, request, callback) {
      if (/^dojo/.test(request) ||
        /^dojox/.test(request) ||
        /^dijit/.test(request) ||
        /^esri/.test(request)
      ) {
        return callback(null, `amd ${request}`);
      }
      return callback();
    },
  ],
};