Method emit

packages/cli/src/utils/devtoolsService.test.ts:36–40

(event: string, ...args: unknown[])

    }

    emit(event: string, ...args: unknown[]) {
      for (const fn of this.listeners.get(event) || []) {
        fn(...args);
      }
    }

    simulateOpen() {
      this.emit('open');