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/ lib/ node_modules/ npm/ node_modules/ promise-retry/ |
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'use strict'; var errcode = require('err-code'); var retry = require('retry'); var hasOwn = Object.prototype.hasOwnProperty; function isRetryError(err) { return err && err.code === 'EPROMISERETRY' && hasOwn.call(err, 'retried'); } function promiseRetry(fn, options) { var temp; var operation; if (typeof fn === 'object' && typeof options === 'function') { // Swap options and fn when using alternate signature (options, fn) temp = options; options = fn; fn = temp; } operation = retry.operation(options); return new Promise(function (resolve, reject) { operation.attempt(function (number) { Promise.resolve() .then(function () { return fn(function (err) { if (isRetryError(err)) { err = err.retried; } throw errcode('Retrying', 'EPROMISERETRY', { retried: err }); }, number); }) .then(resolve, function (err) { if (isRetryError(err)) { err = err.retried; if (operation.retry(err || new Error())) { return; } } reject(err); }); }); }); } module.exports = promiseRetry;