Provide documentation link for the warning ` Using a JavaScript PostCSS config file means losing out on caching features of Parcel. Use a .postcssrc(.json) file whenever possible.`

🙋 feature request

I’m using Tailwind and Parcel 2 and every time I build I get this warning: Using a JavaScript PostCSS config file means losing out on caching features of Parcel. Use a .postcssrc(.json) file whenever possible.

However, when I delete the config file Tailwind no longer works.

Please will you add more detail to this warning, or a link to some Parcel documentation explaining what we have to do here to make it work.

Even a comprehensive answer in this issue would probably help people like me who are googling this warning and finding nothing 😦

[mischnic]

Instead of something postcss.config.js

module.exports = {
  plugins: {
    tailwindcss: {},
    autoprefixer: {},
  }
}

you should add a .postcssrc with:

{
  plugins: {
    tailwindcss: {},
    autoprefixer: {},
  }
}

[mischnic]

Babel’s env property in config files is great for this:

{
	"presets": ["@babel/preset-env"],
	"env": {
		"development": {
			"plugins": ["babel-plugin-run-only-in-dev"]
		}
	}
}

Unfortunately PostCSS doesn’t have something like this (yet)