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							40 lines
						
					
					
						
							888 B
						
					
					
				| var retry = require('../lib/retry'); | |
| 
 | |
| function attemptAsyncOperation(someInput, cb) { | |
|   var opts = { | |
|     retries: 2, | |
|     factor: 2, | |
|     minTimeout: 1 * 1000, | |
|     maxTimeout: 2 * 1000, | |
|     randomize: true | |
|   }; | |
|   var operation = retry.operation(opts); | |
| 
 | |
|   operation.attempt(function(currentAttempt) { | |
|     failingAsyncOperation(someInput, function(err, result) { | |
| 
 | |
|       if (err && err.message === 'A fatal error') { | |
|         operation.stop(); | |
|         return cb(err); | |
|       } | |
| 
 | |
|       if (operation.retry(err)) { | |
|         return; | |
|       } | |
| 
 | |
|       cb(operation.mainError(), operation.errors(), result); | |
|     }); | |
|   }); | |
| } | |
| 
 | |
| attemptAsyncOperation('test input', function(err, errors, result) { | |
|   console.warn('err:'); | |
|   console.log(err); | |
| 
 | |
|   console.warn('result:'); | |
|   console.log(result); | |
| }); | |
| 
 | |
| function failingAsyncOperation(input, cb) { | |
|   return setImmediate(cb.bind(null, new Error('A fatal error'))); | |
| }
 | |
| 
 |