  Asset      Size  Chunks  Chunk Names
main.js  3.05 KiB       0  main
Entrypoint main = main.js
[0] ./b.js 169 bytes {0} [built] [failed] [1 error]
[1] ./index.js + 1 modules 35 bytes {0} [built]
    | ./index.js 15 bytes [built]
    | ./a.js 15 bytes [built]

ERROR in ./b.js
Module parse failed: Unexpected token (6:7)
You may need an appropriate loader to handle this file type.
| includes
| a
| parser )
| error
| in
 @ ./a.js 2:0-13
 @ ./index.js