Function setProfiler

packages/core/src/render3/profiler.ts:34–44

(profiler: Profiler | null)

 * @returns a cleanup function that, when invoked, removes a given profiler callback.
 */
export function setProfiler(profiler: Profiler | null): () => void {
  if (profiler !== null) {
    if (!profilerCallbacks.includes(profiler)) {
      profilerCallbacks.push(profiler);
    }
    return () => removeProfiler(profiler);
  } else {
    profilerCallbacks.length = 0;
    return NOOP_PROFILER_REMOVAL;
  }
}

/**
 * Profiler function which wraps user code executed by the runtime.