export default function* () {
  yield this
    .source('src/*.css')
    .postcss({
      plugins: [
        require('precss'),
        require('autoprefixer')
      ],
      options: {
        parser: require('postcss-scss'),
        from: 'a.css',
        to: 'a.out.css'
      }
    })
    .target('dist')
}