esnext-async/lib/control.js

Patterns for asynchronous computation in ES.next

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.sleep = exports.parallel = undefined;

var _regenerator = require("babel-runtime/regenerator");

var _regenerator2 = _interopRequireDefault(_regenerator);

var _promise = require("babel-runtime/core-js/promise");

var _promise2 = _interopRequireDefault(_promise);

var _asyncToGenerator2 = require("babel-runtime/helpers/asyncToGenerator");

var _asyncToGenerator3 = _interopRequireDefault(_asyncToGenerator2);

var parallel = exports.parallel = function () {
  var _ref = (0, _asyncToGenerator3.default)(_regenerator2.default.mark(function _callee() {
    for (var _len = arguments.length, fns = Array(_len), _key = 0; _key < _len; _key++) {
      fns[_key] = arguments[_key];
    }

    return _regenerator2.default.wrap(function _callee$(_context) {
      while (1) {
        switch (_context.prev = _context.next) {
          case 0:
            _context.next = 2;
            return _promise2.default.all(fns.map(function (fn) {
              return fn();
            }));

          case 2:
          case "end":
            return _context.stop();
        }
      }
    }, _callee, this);
  }));

  return function parallel(_x) {
    return _ref.apply(this, arguments);
  };
}();

var sleep = exports.sleep = function () {
  var _ref2 = (0, _asyncToGenerator3.default)(_regenerator2.default.mark(function _callee2() {
    var ms = arguments.length <= 0 || arguments[0] === undefined ? 0 : arguments[0];
    return _regenerator2.default.wrap(function _callee2$(_context2) {
      while (1) {
        switch (_context2.prev = _context2.next) {
          case 0:
            _context2.next = 2;
            return new _promise2.default(function (resolve) {
              setTimeout(resolve, ms);
            });

          case 2:
          case "end":
            return _context2.stop();
        }
      }
    }, _callee2, this);
  }));

  return function sleep(_x2) {
    return _ref2.apply(this, arguments);
  };
}();

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