Update to resolve relative file path based on curDir

[alexkaraman85]

When getting relative path for '/module/img/sample-img.png'

path.relative( srcDir, srcFile )

returns 'sample-img.png'

path.relative(curDir, srcFile)

returns 'img/sample-img.png'

This change allows for path that is rooted to the same structure with only new parent directory.
I got to this point by using cartero-node-hook.getAssetUrl function, which is returning 'fingerprint/sample-img.png' instead of '/fingerprint/img/sample-img.png'.

Please forgive me if this is the wrong place for this update. Im also not sure about why you chose to compare agaist srcDir? Could you please let me know.

[dgbeck]

Hi @alexkaraman85 !

I'm having a tough time understanding the exact issue that this is solving. Let's try this approach.. can you give an example of a case where behavior of path-mapper is wrong without this change but correct with this change? For example:

pathMapper = require( 'path-mapper' );

var dstFilePath = pathMapper( '/tmp/test.txt', { '/tmp' : '/new_tmp' } );
console.log( dstFilePath ); // should output XYZ, but outputs ZYX (just examples)

Thanks!