postcss should be listed as a dep not a peer dep?

[niftylettuce]

a lot of users just use something like gulp-postcss and in turn this causes this error when installing this package:

warning " > postcss-import-url@3.0.1" has unmet peer dependency "postcss@^6.0.13".

I suggest to either put a version range for postcss in peer deps or strictly put a version of postcss as a dep

[unlight]

Postcss defined as peer dependency
I'll set postcss as peerdep to >=6 <7

[niftylettuce]

Can you please accept my pull request? This should be listed as a dependency. From my research so far I think that almost all postcss plugins list is as a dependency.

[unlight]

so far I think that almost all postcss plugins list is as a dependency.

Well, they do it wrong. Plugins must define host dependency as peer dependency.
Proof link

I've just published v3.0.3, if problem with warning still occurs, please provide your package.json content.

[niftylettuce]

I understand, however the community as a whole really doesn't seem to adhere to peerDependencies and the thought process there.