Loader Compatibility List

Loader	Status	Notes
babel-loader	Works
sass-loader	Works
style-loader	Works
css-loader	Works
cache-loader	Works	Since 4.0.0-beta.5
ExtractTextPlugin	Maybe	You must invoke extract() on happyloader, NOT your style loaders!
tslint-loader	Works
transform-loader	Works
awesome-typescript-loader	Nope
ts-loader	Works	As of ts-loader@2.1.0
json-loader	Works
postcss-loader	Works	You must define postcss config in a separate file if it contains plugins. See https://github.com/amireh/happypack/issues/84
eslint-loader	Works