$ yarn
$ webpack
ts-loader: Using typescript@2.5.3 and /Users/OliverJAsh/Development/temp/webpack-ts-loader-shared/src/browser/tsconfig.json
ts-loader: Using typescript@2.5.3 and /Users/OliverJAsh/Development/temp/webpack-ts-loader-shared/src/service-worker/tsconfig.json
Hash: e1ec6653826557ea6756
Version: webpack 3.6.0
Time: 1063ms
                Asset     Size  Chunks             Chunk Names
    service-worker.js  2.83 kB       0  [emitted]  service-worker
           browser.js  2.81 kB       1  [emitted]  browser
service-worker.js.map  3.04 kB       0  [emitted]  service-worker
       browser.js.map  3.01 kB       1  [emitted]  browser
   [0] ./src/shared/index.ts 68 bytes {0} {1} [built]
   [1] ./src/browser/index.ts 126 bytes {1} [built] [1 error]
   [2] ./src/service-worker/index.ts 138 bytes {0} [built]