Function createLQuery

packages/core/src/render3/queries/query.ts:473–482

* Creates a new instance of LQuery and returns its index in the collection of LQuery objects. * * @returns index in the collection of LQuery objects

(tView: TView, lView: LView, flags: QueryFlags)

 * @returns index in the collection of LQuery objects
 */
function createLQuery<T>(tView: TView, lView: LView, flags: QueryFlags): number {
  const queryList = new QueryList<T>(
    (flags & QueryFlags.emitDistinctChangesOnly) === QueryFlags.emitDistinctChangesOnly,
  );

  storeCleanupWithContext(tView, lView, queryList, queryList.destroy);

  const lQueries = (lView[QUERIES] ??= new LQueries_()).queries;
  return lQueries.push(new LQuery_(queryList)) - 1;
}

export function createViewQuery<T>(
  predicate: ProviderToken<unknown> | string[] | string,