(reason?: string)
| 990 | }, |
| 991 | abort(reason?: string) { |
| 992 | if (!controller.signal.aborted) controller.abort(reason); |
| 993 | }, |
| 994 | throwIfAborted() { |
| 995 | if (controller.signal.aborted) { |
| 996 | throw new UserError( |
| 997 | controller.signal.reason?.toString() || "操作已取消", |