heli-agri/lib/Disposable.js

HeliAgri is a high-performance, feature-packed library for creating interactive maps on the web. It can display map tiles, vector data and markers loaded from any source on any web page. OpenLayers has been developed to further the use of geographic infor

/**
 * @module ol/Disposable
 */

/**
 * @classdesc
 * Objects that need to clean up after themselves.
 */
class Disposable {
  constructor() {
    /**
     * The object has already been disposed.
     * @type {boolean}
     * @protected
     */
    this.disposed = false;
  }

  /**
   * Clean up.
   */
  dispose() {
    if (!this.disposed) {
      this.disposed = true;
      this.disposeInternal();
    }
  }

  /**
   * Extension point for disposable objects.
   * @protected
   */
  disposeInternal() {}
}

export default Disposable;