Method checkNoChanges

packages/core/src/render3/view_ref.ts:323–340

* Checks the change detector and its children, and throws if any changes are detected. * * This is used in development mode to verify that running change detection doesn't * introduce other changes.

()

   * introduce other changes.
   */
  checkNoChanges(): void {
    // Note: we use `if (ngDevMode) { ... }` instead of an early return.
    // ESBuild is conservative about removing dead code that follows `return;`
    // inside a function body, so the block may remain in the bundle.
    // Using a conditional ensures the dev-only logic is reliably tree-shaken
    // in production builds.
    if (ngDevMode) {
      try {
        this.exhaustive ??= this._lView[INJECTOR].get(
          UseExhaustiveCheckNoChanges,
          USE_EXHAUSTIVE_CHECK_NO_CHANGES_DEFAULT,
        );
      } catch {
        this.exhaustive = USE_EXHAUSTIVE_CHECK_NO_CHANGES_DEFAULT;
      }
      checkNoChangesInternal(this._lView, this.exhaustive);
    }
  }

  attachToViewContainerRef() {
    if (this._appRef) {