1 | var retry = require('../lib/retry');
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2 |
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3 | function attemptAsyncOperation(someInput, cb) {
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4 | var opts = {
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5 | retries: 2,
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6 | factor: 2,
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7 | minTimeout: 1 * 1000,
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8 | maxTimeout: 2 * 1000,
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9 | randomize: true
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10 | };
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11 | var operation = retry.operation(opts);
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12 |
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13 | operation.attempt(function(currentAttempt) {
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14 | failingAsyncOperation(someInput, function(err, result) {
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15 |
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16 | if (err && err.message === 'A fatal error') {
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17 | operation.stop();
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18 | return cb(err);
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19 | }
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20 |
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21 | if (operation.retry(err)) {
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22 | return;
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23 | }
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24 |
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25 | cb(operation.mainError(), operation.errors(), result);
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26 | });
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27 | });
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28 | }
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29 |
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30 | attemptAsyncOperation('test input', function(err, errors, result) {
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31 | console.warn('err:');
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32 | console.log(err);
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33 |
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34 | console.warn('result:');
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35 | console.log(result);
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36 | });
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37 |
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38 | function failingAsyncOperation(input, cb) {
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39 | return setImmediate(cb.bind(null, new Error('A fatal error')));
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40 | }
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