Add option ignoreFiles to filter fileTypes

[schoenwaldnils]

Adding option ignoreFiles to filter file types.
In my case this way I can filter *.css files to use the processor only in js, jsx files.

Solves #187.

[emilgoldsmith]

Hi, it seems you are failing some unit tests at the moment? Could you please make sure those pass, and then someone will try and get to reviewing this :)

[chinesedfan]

Tests fail due to options is not normalized. A simple adjustment can be,

const processerFactory = options => ({
 ... ...
});
module.exports = (options) => processerFactory(Object.assign({}, DEFAULT_OPTIONS, options));

[schoenwaldnils]

I'm not sure what you mean by the processerFactory function.
But I mapped the options now and the tests are green

[chinesedfan]

processerFactory means the whole original codes, and please forgive my typo. It should be processorFactory or realProcessor. If writing in this way, you can handle options in the unique place.

const realProcessor = options => ({
  code() {},
  result() {}
});
module.exports = (options) => realProcessor(Object.assign({}, DEFAULT_OPTIONS, options));

[chinesedfan]

@schoenwaldnils Looks like we are almost there. Would you mind processing options like above and squashing commits to less than or equal to 3? Thanks for your work in advance.

[schoenwaldnils]

Now I understood what you meant with the processing ^^
Done

[coveralls]

Coverage remained the same at 100.0% when pulling c34a7cd on schoenwaldnils:master into a9ed7c3 on styled-components:master.

[tomdev10]

Hi. Is there any documentation for this? The syntax @schoenwaldnils suggests in #187 (comment) doesn't seem to work for me. Cheers

[chinesedfan]

@tomdev10 Check #272. Notice items in config processors are still arrays.