Method resolveSingleParam

packages/core/injector/injector.ts:485–512

(
    wrapper: InstanceWrapper<T>,
    param: Type<any> | string | symbol,
    dependencyContext: InjectorDependencyContext,
    moduleRef: Module,
    resolutionContext: ResolutionContext = { contextId: STATIC_CONTEXT },
    keyOrIndex?: symbol | string | number,
  )

  }

  public async resolveSingleParam<T>(
    wrapper: InstanceWrapper<T>,
    param: Type<any> | string | symbol,
    dependencyContext: InjectorDependencyContext,
    moduleRef: Module,
    resolutionContext: ResolutionContext = { contextId: STATIC_CONTEXT },
    keyOrIndex?: symbol | string | number,
  ) {
    if (isUndefined(param)) {
      this.logger.log(
        'Nest encountered an undefined dependency. This may be due to a circular import or a missing dependency declaration.',
      );
      throw new UndefinedDependencyException(
        wrapper.name,
        dependencyContext,
        moduleRef,
      );
    }
    const token = this.resolveParamToken(wrapper, param);
    return this.resolveComponentWrapper(
      moduleRef,
      token,
      dependencyContext,
      wrapper,
      resolutionContext,
      keyOrIndex,
    );
  }

  public resolveParamToken<T>(
    wrapper: InstanceWrapper<T>,