Function getSignalGraph

packages/core/src/render3/util/signal_debug.ts:206–226

(injector: Injector)

 * @throws If the injector is an environment injector.
 */
export function getSignalGraph(injector: Injector): DebugSignalGraph {
  let templateConsumer: ReactiveLViewConsumer | null = null;

  if (!(injector instanceof NodeInjector) && !(injector instanceof R3Injector)) {
    return throwError('getSignalGraph must be called with a NodeInjector or R3Injector');
  }

  if (injector instanceof NodeInjector) {
    templateConsumer = getTemplateConsumer(injector as NodeInjector);
  }

  const nonTemplateEffectNodes = extractEffectsFromInjector(injector);

  const signalNodes = templateConsumer
    ? [templateConsumer, ...nonTemplateEffectNodes]
    : nonTemplateEffectNodes;

  const signalDependenciesMap = extractSignalNodesAndEdgesFromRoots(signalNodes);

  return getNodesAndEdgesFromSignalMap(signalDependenciesMap);
}