Function discoverLocalRefs

packages/core/src/render3/context_discovery.ts:341–354

(lView: LView, nodeIndex: number)

 * exist on a given element.
 */
export function discoverLocalRefs(lView: LView, nodeIndex: number): {[key: string]: any} | null {
  const tNode = lView[TVIEW].data[nodeIndex] as TNode;
  if (tNode && tNode.localNames) {
    const result: {[key: string]: any} = {};
    let localIndex = tNode.index + 1;
    for (let i = 0; i < tNode.localNames.length; i += 2) {
      result[tNode.localNames[i]] = lView[localIndex];
      localIndex++;
    }
    return result;
  }

  return null;
}