.some called on a string value

[ethul]

It is possible that parsed.result can be a string. Therefore, we cannot call .some directly.

https://github.com/ethul/purs-loader/blob/712dabc76c3f4495098e8f6bae47610c2857c59f/src/ide.js#L248

{ result: 'Couldn\'t find file at: /path/to/File.purs', resultType: 'error' }