Method _notify

src/core/core.plugins.js:59–71

* @private

(descriptors, chart, hook, args)

	 * @private
	 */
  _notify(descriptors, chart, hook, args) {
    args = args || {};
    for (const descriptor of descriptors) {
      const plugin = descriptor.plugin;
      const method = plugin[hook];
      const params = [chart, args, descriptor.options];
      if (callCallback(method, params, plugin) === false && args.cancelable) {
        return false;
      }
    }

    return true;
  }

  invalidate() {
    // When plugins are registered, there is the possibility of a double