attempt-man/dist/attempter.js

Beautifully manage attempts for your process!

'use strict';

Object.defineProperty(exports, "__esModule", {
	value: true
});

var _attemptState = require('./attempt-state');

var _attemptState2 = _interopRequireDefault(_attemptState);

var _attemptsFailed = require('./exceptions/attempts-failed');

var _attemptsFailed2 = _interopRequireDefault(_attemptsFailed);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }

class Attempter {
	/**
  * Create a new Attempter object.
  */
	constructor(maxAttempts = 5) {
		this.attempts = [];
		this.maxAttempts = maxAttempts;
	}

	/**
  * Run the attempt.
  */
	run(callback) {
		var _this = this;

		return _asyncToGenerator(function* () {
			for (let attempts = 1; attempts <= _this.maxAttempts; attempts++) {
				try {
					return yield callback();
				} catch (err) {
					_this.attempts.push(new _attemptState2.default(err));

					if (attempts >= _this.maxAttempts) {
						throw new _attemptsFailed2.default(_this.attempts);
					}
				}
			}
		})();
	}
}

exports.default = Attempter;
module.exports = exports['default'];