Paul Laros

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Generating a dynamic sitemap with VitePress ​

By including a sitemap on your website, you can ensure that all pages are indexed by search engines, which can improve your site's visibility in search results and make it easier for users to navigate.

Build Hooks ​

VitePress build hooks enable you to enhance the functionality of your website, such as adding sitemaps, PWA support, and search indexing. In the examples below we're using the buildEnd hook to generate the sitemap XML file.

Dependencies ​

Before getting started, make sure to install the sitemap npm module. The module allows developers to easily create sitemaps in XML format.

bash
npm install sitemap -D

Configuring VitePress ​

Place the following snippet in your VitePress config file, adjust the URL, and run vitepress build to compile a sitemap.

.vitepress/config.ts

ts
import { createContentLoader, defineConfig } from 'vitepress'
import { SitemapStream } from 'sitemap'
import { createWriteStream } from 'node:fs'
import { resolve } from 'node:path'

export default defineConfig({
  lastUpdated: true,
  buildEnd: async ({ outDir }) => {
    const sitemap = new SitemapStream({ hostname: 'https://laros.io/' })
    const pages = await createContentLoader('*.md').load()
    const writeStream = createWriteStream(resolve(outDir, 'sitemap.xml'))

    sitemap.pipe(writeStream)
    pages.forEach((page) => sitemap.write(
      page.url
        // Strip `index.html` from URL
        .replace(/index.html$/g, '')
        // Optional: if Markdown files are located in a subfolder
        .replace(/^\/docs/, '')
      ))
    sitemap.end()

    await new Promise((r) => writeStream.on('finish', r))
  }
})

Clean URLs ​

If you have clean URLs enabled, use the following regex instead. Everything else can remain the same.

ts
// If `cleanUrls is enabled`
.replace(/index$/g, '')
// If `cleanUrls` is disabled
.replace(/index.html$/g, '')

Resources ​