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tcoopman / image-webpack-loader

Image loader module for webpack

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Incompatible GPL license on pngquant-bin

rjmackay opened this issue · comments

commented

pngquant-bin (used by imagemin-pngquant) is licensed under GPLv3 which is incompatible with this packages MIT license.

commented

pngquant-bin links on their readme to imgaemin-pngquant which is also MIT (I see that you also created an issue over there - imagemin/imagemin-pngquant#77)

image

So that seems like they allow it to be used with the MIT license.

commented

Doing some further investigation, I see that pngquant-bin changed their license and they concluded that imagemin-pngquant can use it because they wrap it (imagemin/pngquant-bin#105).

commented

Thanks for the quick response!

they concluded that imagemin-pngquant can use it because they wrap it

Maybe I misread? I thought they changed their license because they concluded it COULDN'T be used under MIT terms so had to be GPL.

The issue probably needs to be resolved within imagemin-pngquant first anyway. However there's a risk that including the GPL'd code within image-webpack-loader means it should be released as GPL. It's not something I can risk in my codebases so I've disabled image-webpack-loader for now.

Any thoughts on if it'd be possible to make https://github.com/imagemin/imagemin-pngquant an optional dependency and only load it when it's used?