text: "use strict";
  
  var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();
  
  function _toArray(arr) { return Array.isArray(arr) ? arr : Array.from(arr); }
  
  // Generated by CoffeeScript 2.2.2
  (function () {
    var DLList,
        Sync,
        splice = [].splice;
  
    DLList = require("./DLList");
  
    Sync = class Sync {
      constructor(name) {
        this.submit = this.submit.bind(this);
        this.schedule = this.schedule.bind(this);
        this.name = name;
        this._running = 0;
        this._queue = new DLList();
      }
  
      isEmpty() {
        return this._queue.length === 0;
      }
  
      _tryToRun() {
        var next;
        if (this._running < 1 && this._queue.length > 0) {
          this._running++;
          next = this._queue.shift();
          return next.task.apply({}, next.args.concat((...args) => {
            var ref;
            this._running--;
            this._tryToRun();
            return (ref = next.cb) != null ? ref.apply({}, args) : void 0;
          }));
        }
      }
  
      submit(task, ...args) {
        var _ref, _ref2, _splice$call, _splice$call2;
  
        var cb, ref;
        ref = args, (_ref = ref, _ref2 = _toArray(_ref), args = _ref2.slice(0), _ref), (_splice$call = splice.call(args, -1), _splice$call2 = _slicedToArray(_splice$call, 1), cb = _splice$call2[0], _splice$call);
        this._queue.push({ task, args, cb });
        return this._tryToRun();
      }
  
      schedule(task, ...args) {
        var wrapped;
        wrapped = function wrapped(...args) {
          var _ref3, _ref4, _splice$call3, _splice$call4;
  
          var cb, ref;
          ref = args, (_ref3 = ref, _ref4 = _toArray(_ref3), args = _ref4.slice(0), _ref3), (_splice$call3 = splice.call(args, -1), _splice$call4 = _slicedToArray(_splice$call3, 1), cb = _splice$call4[0], _splice$call3);
          return task.apply({}, args).then(function (...args) {
            return cb.apply({}, Array.prototype.concat(null, args));
          }).catch(function (...args) {
            return cb.apply({}, args);
          });
        };
        return new Promise((resolve, reject) => {
          return this.submit.apply({}, Array.prototype.concat(wrapped, args, function (...args) {
            return (args[0] != null ? reject : (args.shift(), resolve)).apply({}, args);
          }));
        });
      }
  
    };
  
    module.exports = Sync;
  }).call(undefined);