starter-blog/scripts/generate-sitemap.js

65 lines
2 KiB
JavaScript

const fs = require('fs')
const globby = require('globby')
const matter = require('gray-matter')
const prettier = require('prettier')
const siteMetadata = require('../data/siteMetadata')
;(async () => {
const prettierConfig = await prettier.resolveConfig('./.prettierrc.js')
const pages = await globby([
'pages/*.js',
'pages/*.tsx',
'data/blog/**/*.mdx',
'data/blog/**/*.md',
'public/tags/**/*.xml',
'!pages/_*.js',
'!pages/_*.tsx',
'!pages/api',
])
const sitemap = `
<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
${pages
.map((page) => {
// Exclude drafts from the sitemap
if (page.search('.md') >= 1 && fs.existsSync(page)) {
const source = fs.readFileSync(page, 'utf8')
const fm = matter(source)
if (fm.data.draft) {
return
}
}
const path = page
.replace('pages/', '/')
.replace('data/blog', '/blog')
.replace('public/', '/')
.replace('.js', '')
.replace('.tsx', '')
.replace('.mdx', '')
.replace('.md', '')
.replace('/feed.xml', '')
const route = path === '/index' ? '' : path
if (page.search('pages/404.') > -1 || page.search(`pages/blog/[...slug].`) > -1) {
return
}
return `
<url>
<loc>${siteMetadata.siteUrl}${route}</loc>
</url>
`
})
.join('')}
</urlset>
`
const formatted = prettier.format(sitemap, {
...prettierConfig,
parser: 'html',
})
// eslint-disable-next-line no-sync
fs.writeFileSync('public/sitemap.xml', formatted)
})()