aliaset/.changeset/changelog-github-custom.cjs

twind monorepo

// taken from https://raw.githubusercontent.com/sveltejs/vite-plugin-svelte/master/scripts/changelog-github-custom.js
// based on https://github.com/atlassian/changesets/blob/main/packages/changelog-github/src/index.ts
// modifications to improve readability:
// - moved issue links to end of first line
// - omit link to merge commit if PR link is found
// - linkify issue hints like (see #123) or (fixes #567)

const { config } = require('dotenv')
const { getInfo, getInfoFromPullRequest } = require('@changesets/get-github-info')

config()

const changelogFunctions = {
  getDependencyReleaseLine: async (changesets, dependenciesUpdated, options) => {
    if (!options.repo) {
      throw new Error(
        'Please provide a repo to this changelog generator like this:\n"changelog": ["@changesets/changelog-github", { "repo": "org/repo" }]',
      )
    }
    if (dependenciesUpdated.length === 0) return ''

    const changesetLink = `- Updated dependencies [${(
      await Promise.all(
        changesets.map(async (cs) => {
          if (cs.commit) {
            let { links } = await getInfo({
              repo: options.repo,
              commit: cs.commit,
            })
            return links.commit
          }
        }),
      )
    )
      .filter((_) => _)
      .join(', ')}]:`

    const updatedDepenenciesList = dependenciesUpdated.map(
      (dependency) => `  - ${dependency.name}@${dependency.newVersion}`,
    )

    return [changesetLink, ...updatedDepenenciesList].join('\n')
  },
  getReleaseLine: async (changeset, type, options) => {
    if (!options || !options.repo) {
      throw new Error(
        'Please provide a repo to this changelog generator like this:\n"changelog": ["@changesets/changelog-github", { "repo": "org/repo" }]',
      )
    }

    let prFromSummary
    let commitFromSummary
    let usersFromSummary = []

    const replacedChangelog = changeset.summary
      .replace(/^\s*(?:pr|pull|pull\s+request):\s*#?(\d+)/im, (_, pr) => {
        let num = Number(pr)
        if (!isNaN(num)) prFromSummary = num
        return ''
      })
      .replace(/^\s*commit:\s*([^\s]+)/im, (_, commit) => {
        commitFromSummary = commit
        return ''
      })
      .replace(/^\s*(?:author|user):\s*@?([^\s]+)/gim, (_, user) => {
        if (user != 'sastan') {
          usersFromSummary.push(user)
        }
        return ''
      })
      .trim()

    // add links to issue hints (fix #123) => (fix [#123](https://....))
    const linkifyIssueHints = (line) =>
      line.replace(/(?<=\( ?(?:fix|fixes|see) )(#\d+)(?= ?\))/g, (issueHash) => {
        return `[${issueHash}](https://github.com/${options.repo}/issues/${issueHash.substring(1)})`
      })
    const [firstLine, ...futureLines] = replacedChangelog
      .split('\n')
      .map((l) => linkifyIssueHints(l.trimRight()))

    const links = await (async () => {
      if (prFromSummary !== undefined) {
        let { links } = await getInfoFromPullRequest({
          repo: options.repo,
          pull: prFromSummary,
        })
        if (commitFromSummary) {
          links = {
            ...links,
            commit: `[\`${commitFromSummary}\`](https://github.com/${options.repo}/commit/${commitFromSummary})`,
          }
        }
        return links
      }
      const commitToFetchFrom = commitFromSummary || changeset.commit
      if (commitToFetchFrom) {
        let { links } = await getInfo({
          repo: options.repo,
          commit: commitToFetchFrom,
        })
        // This is from the changeset action — remove pull and user leaving the commit to use
        if (links.user?.includes('github-actions')) {
          links = {
            ...links,
            pull: null,
            user: null,
          }
        }

        return {
          ...links,
          user: links.user?.replace('[@sastan](https://github.com/sastan)', ''),
        }
      }
      return {
        commit: null,
        pull: null,
        user: null,
      }
    })()

    const users = usersFromSummary.length
      ? usersFromSummary
          .map((userFromSummary) => `[@${userFromSummary}](https://github.com/${userFromSummary})`)
          .join(', ')
      : links.user

    const suffix = [
      // only link PR or merge commit not both
      links.pull ? ` (${links.pull})` : links.commit ? ` (${links.commit})` : '',
      users ? ` 🙏🏽  ${users}!` : '',
    ].join('')

    return `\n\n- ${firstLine}${suffix}\n${futureLines.map((l) => `  ${l}`).join('\n')}`
  },
}

module.exports = changelogFunctions