Function getChangelogItems

lib/changelog.js:26–64

(prefix, feedUrl, ignoreCache = false)

}

export async function getChangelogItems(prefix, feedUrl, ignoreCache = false) {
  if (CHANGELOG_DISABLED) {
    if (process.env.NODE_ENV === 'development') {
      console.warn(`Downloading changelog (${feedUrl}) items is disabled.`)
    }
    return
  }
  if (!ignoreCache) {
    const fromCache = getChangelogItemsFromCache(prefix, feedUrl)
    if (fromCache) return fromCache
  }

  const feed = await getRssFeed(feedUrl)

  if (!feed || !feed.items) {
    console.log(feed)
    console.error('feed is not valid or has no items')
    return
  }

  // only show the first 3 posts
  const changelog = feed.items.slice(0, 3).map((item) => {
    // remove the prefix if it exists (Ex: 'GitHub Actions: '), where the colon and expected whitespace should be hardcoded.
    const title = prefix ? item.title.replace(new RegExp(`^${prefix}`), '') : item.title
    return {
      // capitalize the first letter of the title
      title: title.trim().charAt(0).toUpperCase() + title.slice(1),
      date: item.isoDate,
      href: item.link,
    }
  })

  // We don't cache the raw payload we'd get from the network request
  // because it would waste memory. Instead we store the "serialized"
  // object that's created from the raw payload.
  setChangelogItemsCache(prefix, feedUrl, changelog)

  return changelog
}

const globalCache = new Map()