build fails when trailingSlash is false

[s-kris]

bug

build fails when trailingSlash is false (#100)

error

[ERROR] Unable to build website for locale en.
[ERROR] Error: ENOENT: no such file or directory, open '/Users/<path>/build/.html'
error Command failed with exit code 1.

more context

docsRouteBasePath:"/"

setting trailingSlash:false and not setting docsRouteBasePath: "/" => build success but search-index.json is NOT generated
setting trailingSlash:false and setting docsRouteBasePath: "/" => build fails
not setting trailingSlash:false and setting docsRouteBasePath: "/" => build success and search-index.json is generated

Config

docusaurus.config.js

// @ts-check
// Note: type annotations allow type checking and IDEs autocompletion

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

/** @type {import('@docusaurus/types').Config} */
const config = {
  title: 'name',
  tagline: 'tagline',
  url: '********',
  baseUrl: '/docs/',
  onBrokenLinks: 'warn',
  onBrokenMarkdownLinks: 'warn',
  trailingSlash: false,
  presets: [
    [
      'classic',
      /** @type {import('@docusaurus/preset-classic').Options} */
      ({
        docs: {
          routeBasePath: '/',
          sidebarPath: require.resolve('./sidebars.js'),
        },
        theme: {
          customCss: require.resolve('./src/css/custom.css'),
        },
        blog:false,
      }),
    ],
  ],

  themeConfig:
    /** @type {import('@docusaurus/preset-classic').ThemeConfig} */
    ({
      colorMode: {
        defaultMode: 'light',
        disableSwitch: true,
        respectPrefersColorScheme: false,
      },
      navbar: {
    
        items: [
          {
            type: 'doc',
            docId: 'get-started/welcome',
            position: 'left',
            label: 'Docs',
          },
          // {to: '/blog', label: 'Blog', position: 'left'},
        ],
      },
      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()} Superblog. Built with Docusaurus.`,
      },
      prism: {
        theme: lightCodeTheme,
        darkTheme: darkCodeTheme,
      },
    }),
    themes: [
      [
        require.resolve("@easyops-cn/docusaurus-search-local"),
        {
          hashed: true,
          indexBlog: false,
          docsRouteBasePath:"/"
        },
      ],
    ],
};

module.exports = config;

versions:

 "dependencies": {
    "@docusaurus/core": "2.0.0-beta.21",
    "@docusaurus/preset-classic": "2.0.0-beta.21",
    "@easyops-cn/docusaurus-search-local": "^0.27.0",
    "@mdx-js/react": "^1.6.22",
    "clsx": "^1.1.1",
    "prism-react-renderer": "^1.3.3",
    "react": "^17.0.2",
    "react-dom": "^17.0.2"
  },
  "devDependencies": {
    "@docusaurus/module-type-aliases": "2.0.0-beta.21",
    "@tsconfig/docusaurus": "^1.0.5",
    "typescript": "^4.6.4"
  },