code: function doRollup (component) {
          return gulp.src(component.src)
          .pipe(
              rollup({
                  input: component.entry,
                  output: {
                      name: 'ImageCropper',
                      format: 'iife',
                  },
                  plugins: [
                      resolve({
                          jsnext: true,
                          main: true,
                          browser: true,
                      }),
                      commonjs(),
                      eslint('.eslintrc'),
                      babel({
                          presets: ['es2015-rollup'],
                          plugins : [
                              'check-es2015-constants',
                              'transform-minify-booleans',
                              'transform-property-literals',
                              'transform-member-expression-literals',
                          ]
                      }),
                      uglify()
                  ],
              })
          )
          .pipe(rename({
              suffix : '.min'
          }))
          .pipe(gulp.dest(component.dest));
      }
docs: UTILITIES