fangliao-houtai/node_modules/@uppy/utils/lib/ProgressTimeout.js

"use strict";

function _classPrivateFieldLooseBase(receiver, privateKey) { if (!Object.prototype.hasOwnProperty.call(receiver, privateKey)) { throw new TypeError("attempted to use private field on non-instance"); } return receiver; }

var id = 0;

function _classPrivateFieldLooseKey(name) { return "__private_" + id++ + "_" + name; }

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, 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;
  }

  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] = null;
      _classPrivateFieldLooseBase(this, _isDone)[_isDone] = true;
    }
  }

}

module.exports = ProgressTimeout;