Function formatMatches

packages/compiler/test/render3/view/binding_spec.ts:1321–1323

(matches: DirectiveMeta[])

  describe('directive de-duplication', () => {
    function formatMatches(matches: DirectiveMeta[]): string[] {
      return matches.map((dir) => `${dir.name}:${MatchSource[dir.matchSource]}`);
    }

    it('should give precedence to the template-matched directive over a host-directive-based match', () => {
      const matcher = new SelectorMatcher();