Method addEntity

src/scale-manager/SafeScaleManager.js:153–169

* Adds and anchor to be updated during resize * @param {ScaledEntity | ScaledEntity[]} entity * @memberof SafeScaleManager

(entity)

   * @memberof SafeScaleManager
   */
  addEntity(entity) {
    if (!Array.isArray(entity)) {
      entity = [entity];      
    }

    entity.forEach(e => {
      if (this.entities.includes(e)) {
        return;
      }
  
      if (this.resizeEventData) {
        e.onResize(this.resizeEventData);
      }
  
      this.entities.push(e);
    });
  }

  /**
   * Removes an anchor