Method _addPartial

packages/compiler/src/directive_matching.ts:324–331

(map: Map<string, SelectorMatcher<T>>, name: string)

  }

  private _addPartial(map: Map<string, SelectorMatcher<T>>, name: string): SelectorMatcher<T> {
    let matcher = map.get(name);
    if (!matcher) {
      matcher = new SelectorMatcher<T>();
      map.set(name, matcher);
    }
    return matcher;
  }

  /**
   * Find the objects that have been added via `addSelectable`