Function shim

packages/compiler/test/shadow_css/utils.ts:11–14

(css: string, contentAttr: string, hostAttr: string = '')

import {ShadowCss} from '../../src/shadow_css';

export function shim(css: string, contentAttr: string, hostAttr: string = '') {
  const shadowCss = new ShadowCss();
  return shadowCss.shimCssText(css, contentAttr, hostAttr);
}

const shadowCssMatchers: jasmine.CustomMatcherFactories = {
  toEqualCss: function (): jasmine.CustomMatcher {