Function serializeAncestors

packages/core/src/debug/ai/di_graph.ts:168–192

* Serialize all the ancestors of the given injector and return * its serialized version. * * @param injector The environment injector to start from. * @returns The serialized form of the input Injector.

(injector: Injector)

   * @returns The serialized form of the input {@link Injector}.
   */
  function serializeAncestors(injector: Injector): SerializedInjector {
    const existing = serializedEnvInjectorMap.get(injector);
    if (existing) return existing;

    const serialized = serializeInjector(injector);
    serializedEnvInjectorMap.set(injector, serialized);

    const parentInjector = getParentEnvInjector(injector);
    if (parentInjector) {
      // Recursively process the parent and attach ourselves as a child.
      const parentSerialized = serializeAncestors(parentInjector);
      parentSerialized.children.push(serialized);
    } else {
      // If there is no parent, this is a root environment injector.
      if (!rootEnvInjector) {
        rootEnvInjector = serialized;
      } else if (rootEnvInjector !== serialized) {
        throw new Error('Expected only one root environment injector, but found multiple.', {
          cause: {firstRoot: rootEnvInjector, secondRoot: serialized},
        });
      }
    }

    return serialized;
  }

  // Process all descendant environment injectors.
  for (const rootLView of rootLViews) {