code: function () {
      return gulp.src(paths.admin.sass)
      // sourcemaps + sass + error handling
        .pipe(gulpif(!production, sourcemaps.init()))
        .pipe(sass({
          sourceComments: !production,
          outputStyle: production ? 'compressed' : 'nested'
        }))
        .on('error', handleError('SASS'))
        // generate .maps
        .pipe(gulpif(!production, sourcemaps.write({
          'includeContent': false,
          'sourceRoot': '.'
        })))
        .pipe(gulpif(!production, sourcemaps.init({'loadMaps': true})))
        .pipe(gulpif(production, autoprefixer(config.autoprefixer_versions)))
        // we don't serve the source files so include scss content inside the sourcemaps
        .pipe(sourcemaps.write({'includeContent': true}))
        .pipe(gulp.dest(paths.admin.build + 'css/'));
    }
docs: /*
  SASS