function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
/**
 * Helper to abort upload requests if there has not been any progress for `timeout` ms.
 * Create an instance using `timer = new ProgressTimeout(10000, onTimeout)`
 * Call `timer.progress()` to signal that there has been progress of any kind.
 * Call `timer.done()` when the upload has completed.
 */
var ProgressTimeout = /*#__PURE__*/function () {
  function ProgressTimeout(timeout, timeoutHandler) {
    _classCallCheck(this, ProgressTimeout);
    this._timeout = timeout;
    this._onTimedOut = timeoutHandler;
    this._isDone = false;
    this._aliveTimer = null;
    this._onTimedOut = this._onTimedOut.bind(this);
  }
  _createClass(ProgressTimeout, [{
    key: "progress",
    value: function progress() {
      // Some browsers fire another progress event when the upload is
      // cancelled, so we have to ignore progress after the timer was
      // told to stop.
      if (this._isDone) return;
      if (this._timeout > 0) {
        if (this._aliveTimer) clearTimeout(this._aliveTimer);
        this._aliveTimer = setTimeout(this._onTimedOut, this._timeout);
      }
    }
  }, {
    key: "done",
    value: function done() {
      if (this._aliveTimer) {
        clearTimeout(this._aliveTimer);
        this._aliveTimer = null;
      }
      this._isDone = true;
    }
  }]);
  return ProgressTimeout;
}();
export default ProgressTimeout;