@uppy/utils/lib/ProgressTimeout.js

Shared utility functions for Uppy Core and plugins maintained by the Uppy team.

function _classPrivateFieldLooseBase(e, t) { if (!{}.hasOwnProperty.call(e, t)) throw new TypeError("attempted to use private field on non-instance"); return e; }
var id = 0;
function _classPrivateFieldLooseKey(e) { return "__private_" + id++ + "_" + e; }
var _aliveTimer = /*#__PURE__*/_classPrivateFieldLooseKey("aliveTimer");
var _isDone = /*#__PURE__*/_classPrivateFieldLooseKey("isDone");
var _onTimedOut = /*#__PURE__*/_classPrivateFieldLooseKey("onTimedOut");
var _timeout = /*#__PURE__*/_classPrivateFieldLooseKey("timeout");
/**
 * 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.
 */
class ProgressTimeout {
  constructor(timeout,
  // eslint-disable-next-line no-shadow
  timeoutHandler) {
    Object.defineProperty(this, _aliveTimer, {
      writable: true,
      value: void 0
    });
    Object.defineProperty(this, _isDone, {
      writable: true,
      value: false
    });
    Object.defineProperty(this, _onTimedOut, {
      writable: true,
      value: void 0
    });
    Object.defineProperty(this, _timeout, {
      writable: true,
      value: void 0
    });
    _classPrivateFieldLooseBase(this, _timeout)[_timeout] = timeout;
    _classPrivateFieldLooseBase(this, _onTimedOut)[_onTimedOut] = () => timeoutHandler(timeout);
  }
  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 (_classPrivateFieldLooseBase(this, _isDone)[_isDone]) return;
    if (_classPrivateFieldLooseBase(this, _timeout)[_timeout] > 0) {
      clearTimeout(_classPrivateFieldLooseBase(this, _aliveTimer)[_aliveTimer]);
      _classPrivateFieldLooseBase(this, _aliveTimer)[_aliveTimer] = setTimeout(_classPrivateFieldLooseBase(this, _onTimedOut)[_onTimedOut], _classPrivateFieldLooseBase(this, _timeout)[_timeout]);
    }
  }
  done() {
    if (!_classPrivateFieldLooseBase(this, _isDone)[_isDone]) {
      clearTimeout(_classPrivateFieldLooseBase(this, _aliveTimer)[_aliveTimer]);
      _classPrivateFieldLooseBase(this, _aliveTimer)[_aliveTimer] = undefined;
      _classPrivateFieldLooseBase(this, _isDone)[_isDone] = true;
    }
  }
}
export default ProgressTimeout;