docs/middleware/contextualizers/whats-new-changelog.js

30 строки
1.2 KiB
JavaScript

import { getRssFeed, getChangelogItems } from '../../lib/changelog.js'
import getApplicableVersions from '../../lib/get-applicable-versions.js'
export default async function whatsNewChangelog(req, res, next) {
if (!req.context.page) return next()
if (!req.context.page.changelog) return next()
const label = req.context.page.changelog.label
// If there is no `versions` prop in the changelog frontmatter, assume the changelog should display in all versions.
if (req.context.page.changelog.versions) {
const changelogVersions = getApplicableVersions(req.context.page.changelog.versions)
// If the current version is not included, do not display a changelog.
if (!changelogVersions.includes(req.context.currentVersion)) {
return next()
}
}
const labelUrls = {
education: 'https://github.blog/category/community/education',
enterprise: 'https://github.blog/category/enterprise/',
}
req.context.changelogUrl = labelUrls[label] || `https://github.blog/changelog/label/${label}`
const feed = await getRssFeed(req.context.changelogUrl)
req.context.whatsNewChangelog = await getChangelogItems(req.context.page.changelog.prefix, feed)
return next()
}