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| /* @flow */ | |
| type ErrorResponse = { | |
| code: 'Error', | |
| message: string | |
| } | |
| type ResultResponse = {} | |
| function test (): Promise<ResultResponse | ErrorResponse> { | |
| return new Promise(() => {}) | |
| } | |
| test().then(res => { | |
| if (res.code === 'Error') { | |
| throw new Error(res.message) | |
| } | |
| return res | |
| }) |
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