class PostcssTask extends BalmJS . BalmStyleTask { constructor ( ) { super ( 'postcss' ) ; } recipe ( input ? , output ? ) { const balmPostcss = ( ) : any => { this . init ( input , output ) ; return this . handleStyle ( this . name , this . output ) ; } ; return balmPostcss ; } get fn ( ) : Function { return this . recipe ( ) ; } } export default PostcssTask ;