@clayui/shared/lib/esm/delegate.js

ClayShared component

/**
 * SPDX-FileCopyrightText: © 2021 Liferay, Inc. <https://liferay.com>
 * SPDX-License-Identifier: BSD-3-Clause
 */

function isDisabled(node) {
  return !!(node.disabled || node.closest('[disabled]'));
}
function delegate(element, eventName, selector, callback, capture) {
  const eventHandler = event => {
    const {
      defaultPrevented,
      target
    } = event;
    if (target) {
      if (defaultPrevented || eventName === 'click' && isDisabled(target)) {
        return;
      }
      const delegateTarget = target.closest(selector);
      if (delegateTarget) {
        event.delegateTarget = delegateTarget;
        callback(event);
      }
    }
  };
  element.addEventListener(eventName, eventHandler, capture);
  return {
    dispose() {
      element.removeEventListener(eventName, eventHandler, capture);
    }
  };
}
export { delegate };
export default delegate;