code: function stylesGrid() {
    return gulp.src( 'packages/cf-grid/src-generated/*.less' )
      .pipe( gulpLess( {
        paths: [ 'node_modules/cf-*/src/' ],
        compress: true
      } ) )
      .pipe( gulpPostcss( [
        autoprefixer( {
          grid: true,
          browsers: BROWSER_LIST.LAST_2_PLUS_IE_8_AND_UP
        } )
      ] ) )
      .pipe( gulpRename( {
        basename: 'cf-grid',
        extname: '.min.css'
      } ) )
      .pipe( gulp.dest( 'packages/cf-grid' ) );
  }
docs: cf-grid needs to compile cf-grid-generated.less.
  @returns {PassThrough} A source stream.