Method onClose

packages/next/src/server/base-http/web.ts:132–139

(callback: () => void)

  }

  public onClose(callback: () => void) {
    if (this.closeController.isClosed) {
      throw new InvariantError(
        'Cannot call onClose on a WebNextResponse that is already closed'
      )
    }
    return this.closeController.onClose(callback)
  }
}