Issues rebuilding site after modifying default docusaurus.config.js file about docusaurus-search-local HOT 2 CLOSED

const lightCodeTheme = require('prism-react-renderer/themes/github');
const darkCodeTheme = require('prism-react-renderer/themes/dracula');

// With JSDoc @type annotations, IDEs can provide config autocompletion
/** @type {import('@docusaurus/types').DocusaurusConfig} */
const config = {
  title: 'My Site',
  tagline: 'Dinosaurs are cool',
  url: 'https://your-docusaurus-test-site.com',
  baseUrl: '/',
  onBrokenLinks: 'throw',
  onBrokenMarkdownLinks: 'warn',
  favicon: 'img/favicon.ico',
  organizationName: 'facebook', // Usually your GitHub org/user name.
  projectName: 'docusaurus', // Usually your repo name.

  presets: [
    [
      '@docusaurus/preset-classic',
      /** @type {import('@docusaurus/preset-classic').Options} */
      ({
        docs: {
          sidebarPath: require.resolve('./sidebars.js'),
          // Please change this to your repo.
          editUrl: 'https://github.com/facebook/docusaurus/edit/main/website/',
        },
        blog: {
          showReadingTime: true,
          // Please change this to your repo.
          editUrl:
            'https://github.com/facebook/docusaurus/edit/main/website/blog/',
        },
        theme: {
          customCss: require.resolve('./src/css/custom.css'),
        },
      }),
    ],
  ],

  themeConfig:
    /** @type {import('@docusaurus/preset-classic').ThemeConfig} */
    ({
      navbar: {
        title: 'My Site',
        logo: {
          alt: 'My Site Logo',
          src: 'img/logo.svg',
        },
        items: [
          {
            type: 'doc',
            docId: 'intro',
            position: 'left',
            label: 'Tutorial',
          },
          {to: '/blog', label: 'Blog', position: 'left'},
          {
            href: 'https://github.com/facebook/docusaurus',
            label: 'GitHub',
            position: 'right',
          },
        ],
      },
      footer: {
        style: 'dark',
        links: [
          {
            title: 'Docs',
            items: [
              {
                label: 'Tutorial',
                to: '/docs/intro',
              },
            ],
          },
          {
            title: 'Community',
            items: [
              {
                label: 'Stack Overflow',
                href: 'https://stackoverflow.com/questions/tagged/docusaurus',
              },
              {
                label: 'Discord',
                href: 'https://discordapp.com/invite/docusaurus',
              },
              {
                label: 'Twitter',
                href: 'https://twitter.com/docusaurus',
              },
            ],
          },
          {
            title: 'More',
            items: [
              {
                label: 'Blog',
                to: '/blog',
              },
              {
                label: 'GitHub',
                href: 'https://github.com/facebook/docusaurus',
              },
            ],
          },
        ],
        copyright: `Copyright © ${new Date().getFullYear()} My Project, Inc. Built with Docusaurus.`,
      },
      prism: {
        theme: lightCodeTheme,
        darkTheme: darkCodeTheme,
      },
    }),
  themes: [
    [
      require.resolve("@easyops-cn/docusaurus-search-local"),
      {
        // ... Your options.
        // `hashed` is recommended as long-term-cache of index file is possible.
        hashed: true,
        indexBlog: false,
        docsRouteBasePath: "/",
        highlightSearchTermsOnTargetPage: true,
        explicitSearchResultPath: true,
        // For Docs using Chinese, The `language` is recommended to set to:
        // ```
        language: ["en"],
        // ```
      },
    ],
  ],
};

module.exports = config;

Unable to build website for locale "en".
TypeError: Cannot read properties of undefined (reading 'substr')
    at processDocInfos (/app/WEBSITE/node_modules/@easyops-cn/docusaurus-search-local/dist/server/server/utils/processDocInfos.js:18:50)
    at Object.<anonymous> (/app/WEBSITE/node_modules/@easyops-cn/docusaurus-search-local/dist/server/server/utils/postBuildFactory.js:17:64)
    at Generator.next (<anonymous>)
    at /app/WEBSITE/node_modules/tslib/tslib.js:169:75
    at new Promise (<anonymous>)
    at Object.__awaiter (/app/WEBSITE/node_modules/tslib/tslib.js:165:16)
    at Object.postBuild (/app/WEBSITE/node_modules/@easyops-cn/docusaurus-search-local/dist/server/server/utils/postBuildFactory.js:15:24)
    at /app/WEBSITE/node_modules/@docusaurus/core/lib/commands/build.js:158:22
    at Array.map (<anonymous>)
    at buildLocale (/app/WEBSITE/node_modules/@docusaurus/core/lib/commands/build.js:154:31)
    at async tryToBuildLocale (/app/WEBSITE/node_modules/@docusaurus/core/lib/commands/build.js:32:20)
    at async Object.mapAsyncSequencial (/app/WEBSITE/node_modules/@docusaurus/utils/lib/index.js:263:24)
    at async build (/app/WEBSITE/node_modules/@docusaurus/core/lib/commands/build.js:68:25)
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.
yarn run v1.22.19