Method remove

lib/associations/belongs-to-many.js:764–777

* Un-associate one or more instance(s). * * @param {Model} sourceInstance instance to un associate instances with * @param {Model|Model[]|string|string[]|number|number[]} [oldAssociatedObjects] Can be an Instance or its primary key, or a mixed array of instances and primary keys * @param

(sourceInstance, oldAssociatedObjects, options)

   * @returns {Promise}
   */
  remove(sourceInstance, oldAssociatedObjects, options) {
    const association = this;

    options = options || {};

    oldAssociatedObjects = association.toInstanceArray(oldAssociatedObjects);

    const where = {
      [association.identifier]: sourceInstance.get(association.sourceKey),
      [association.foreignIdentifier]: oldAssociatedObjects.map(newInstance => newInstance.get(association.targetKey))
    };

    return association.through.model.destroy({ ...options, where });
  }

  /**
   * Create a new instance of the associated model and associate it with this.