Function getConstant

packages/core/src/render3/util/view_utils.ts:187–194

(
  consts: TConstants | null,
  index: number | null | undefined,
)

  index: number | null | undefined,
): T | null;
export function getConstant<T>(
  consts: TConstants | null,
  index: number | null | undefined,
): T | null {
  if (index === null || index === undefined) return null;
  ngDevMode && assertIndexInRange(consts!, index);
  return consts![index] as unknown as T;
}

/**
 * Resets the pre-order hook flags of the view.