gctGenerator/site/.vuepress/enhanceApp.js

/**
 * Client app enhancement file.
 *
 * https://v1.vuepress.vuejs.org/guide/basic-config.html#app-level-enhancements
 */

export default ({
  Vue, // the version of Vue being used in the VuePress app
  options, // the options for the root Vue instance
  router, // the router instance for the app
  siteData, // site metadata
}) => {
  if (typeof document === 'undefined') return;
  document.onreadystatechange = () => {
    if (document.readyState === 'complete') {
      const { hash } = location;
      const decoded = decodeURIComponent(hash);
      const targetAnchor = document.querySelector(decoded) ?? document.querySelector(hash);

      if (targetAnchor && targetAnchor.offsetTop) {
        window.scrollTo({ top: targetAnchor.offsetTop, behavior: 'smooth' });
      }
    }
  };
};