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" } ] }