Function createSpecialToken

packages/core/src/render3/queries/query.ts:362–381

(lView: LView, tNode: TNode, read: any)

}

function createSpecialToken(lView: LView, tNode: TNode, read: any): any {
  if (read === ViewEngine_ElementRef) {
    return createElementRef(tNode, lView);
  } else if (read === ViewEngine_TemplateRef) {
    return createTemplateRef(tNode, lView);
  } else if (read === ViewContainerRef) {
    ngDevMode && assertTNodeType(tNode, TNodeType.AnyRNode | TNodeType.AnyContainer);
    return createContainerRef(
      tNode as TElementNode | TContainerNode | TElementContainerNode,
      lView,
    );
  } else {
    ngDevMode &&
      throwError(
        `Special token to read should be one of ElementRef, TemplateRef or ViewContainerRef but got ${stringify(
          read,
        )}.`,
      );
  }
}

/**
 * A helper function that creates query results for a given view. This function is meant to do the