Method _setupOperation

packages/rest/src/rest.server.ts:491–540

(verb: string, path: string, spec: OperationObject)

  }

  private _setupOperation(verb: string, path: string, spec: OperationObject) {
    const handler = spec['x-operation'];
    if (typeof handler === 'function') {
      // Remove a field value that cannot be represented in JSON.
      // Start by creating a shallow-copy of the spec, so that we don't
      // modify the original spec object provided by user.
      spec = Object.assign({}, spec);
      delete spec['x-operation'];

      const route = new Route(verb, path, spec, handler);
      this._httpHandler.registerRoute(route);
      return;
    }

    const controllerName = spec['x-controller-name'];
    if (typeof controllerName === 'string') {
      const b = this.getBinding(`controllers.${controllerName}`, {
        optional: true,
      });
      if (!b) {
        throw new Error(
          `Unknown controller ${controllerName} used by "${verb} ${path}"`,
        );
      }

      const ctor = b.valueConstructor;
      if (!ctor) {
        throw new Error(
          `The controller ${controllerName} was not bound via .toClass()`,
        );
      }

      const controllerFactory = createControllerFactoryForBinding<object>(
        b.key,
      );
      const route = new ControllerRoute(
        verb,
        path,
        spec,
        ctor as ControllerClass<object>,
        controllerFactory,
      );
      this._httpHandler.registerRoute(route);
      return;
    }

    throw new Error(
      `There is no handler configured for operation "${verb} ${path}`,
    );
  }

  private async _serveOpenApiSpec(
    request: Request,