Method match

packages/compiler/src/directive_matching.ts:340–390

* Find the objects that have been added via `addSelectable` * whose css selector is contained in the given css selector. * @param cssSelector A css selector * @param matchedCallback This callback will be called with the object handed into `addSelectable` * @return boolean true if a match

(
    cssSelector: CssSelector,
    matchedCallback: ((c: CssSelector, a: T) => void) | null,
  )

   * @return boolean true if a match was found
   */
  match(
    cssSelector: CssSelector,
    matchedCallback: ((c: CssSelector, a: T) => void) | null,
  ): boolean {
    let result = false;
    const element = cssSelector.element!;
    const classNames = cssSelector.classNames;
    const attrs = cssSelector.attrs;

    for (let i = 0; i < this._listContexts.length; i++) {
      this._listContexts[i].alreadyMatched = false;
    }

    result = this._matchTerminal(this._elementMap, element, cssSelector, matchedCallback) || result;
    result =
      this._matchPartial(this._elementPartialMap, element, cssSelector, matchedCallback) || result;

    if (classNames) {
      for (let i = 0; i < classNames.length; i++) {
        const className = classNames[i];
        result =
          this._matchTerminal(this._classMap, className, cssSelector, matchedCallback) || result;
        result =
          this._matchPartial(this._classPartialMap, className, cssSelector, matchedCallback) ||
          result;
      }
    }

    if (attrs) {
      for (let i = 0; i < attrs.length; i += 2) {
        const name = attrs[i];
        const value = attrs[i + 1];

        const terminalValuesMap = this._attrValueMap.get(name)!;
        if (value) {
          result =
            this._matchTerminal(terminalValuesMap, '', cssSelector, matchedCallback) || result;
        }
        result =
          this._matchTerminal(terminalValuesMap, value, cssSelector, matchedCallback) || result;

        const partialValuesMap = this._attrValuePartialMap.get(name)!;
        if (value) {
          result = this._matchPartial(partialValuesMap, '', cssSelector, matchedCallback) || result;
        }
        result =
          this._matchPartial(partialValuesMap, value, cssSelector, matchedCallback) || result;
      }
    }
    return result;
  }

  /** @internal */
  _matchTerminal(