source: trip-planner-front/node_modules/promise-retry/index.js@ fa375fe

Last change on this file since fa375fe was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 1.3 KB
Line 
1'use strict';
2
3var errcode = require('err-code');
4var retry = require('retry');
5
6var hasOwn = Object.prototype.hasOwnProperty;
7
8function isRetryError(err) {
9 return err && err.code === 'EPROMISERETRY' && hasOwn.call(err, 'retried');
10}
11
12function promiseRetry(fn, options) {
13 var temp;
14 var operation;
15
16 if (typeof fn === 'object' && typeof options === 'function') {
17 // Swap options and fn when using alternate signature (options, fn)
18 temp = options;
19 options = fn;
20 fn = temp;
21 }
22
23 operation = retry.operation(options);
24
25 return new Promise(function (resolve, reject) {
26 operation.attempt(function (number) {
27 Promise.resolve()
28 .then(function () {
29 return fn(function (err) {
30 if (isRetryError(err)) {
31 err = err.retried;
32 }
33
34 throw errcode(new Error('Retrying'), 'EPROMISERETRY', { retried: err });
35 }, number);
36 })
37 .then(resolve, function (err) {
38 if (isRetryError(err)) {
39 err = err.retried;
40
41 if (operation.retry(err || new Error())) {
42 return;
43 }
44 }
45
46 reject(err);
47 });
48 });
49 });
50}
51
52module.exports = promiseRetry;
Note: See TracBrowser for help on using the repository browser.