automate release notes from github actions (#4893)

.github/workflows/release-4.yml

@@ -16,7 +16,9 @@ jobs:
     permissions:
       id-token: write
       contents: write
+      pull-requests: read
     env:
+      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
     steps:
       - uses: actions/checkout@v4
@@ -31,3 +33,4 @@ jobs:
       - run: |
           git tag v${{ fromJson(steps.pkg.outputs.json).version }}
           git push origin v${{ fromJson(steps.pkg.outputs.json).version }}
+      - run: node scripts/release/notes

.github/workflows/release-latest.yml

@@ -16,7 +16,9 @@ jobs:
     permissions:
       id-token: write
       contents: write
+      pull-requests: read
     env:
+      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
     outputs:
       pkgjson: ${{ steps.pkg.outputs.json }}
@@ -33,6 +35,7 @@ jobs:
       - run: |
           git tag v${{ fromJson(steps.pkg.outputs.json).version }}
           git push origin v${{ fromJson(steps.pkg.outputs.json).version }}
+      - run: node scripts/release/notes --latest
 
   docs:
     runs-on: ubuntu-latest

scripts/release/notes.js

@@ -0,0 +1,31 @@
+'use strict'
+
+const fs = require('fs')
+const os = require('os')
+const path = require('path')
+const { capture, success, run } = require('./helpers/terminal')
+const pkg = require('../../package.json')
+
+const version = pkg.version
+const tag = `v${version}`
+const major = version.split('.')[0]
+const body = capture(`gh pr view ${tag}-proposal --json body --jq '.body'`)
+const args = process.argv.slice(2)
+const flags = []
+const folder = path.join(os.tmpdir(), 'release_notes')
+const file = path.join(folder, `${tag}.md`)
+
+if (args.includes('--latest')) {
+  flags.push('--latest')
+}
+
+if (version.includes('-')) {
+  flags.push('--prerelease')
+}
+
+fs.mkdirSync(folder, { recursive: true })
+fs.writeFileSync(file, body)
+
+run(`gh release create ${tag} --target v${major}.x --title ${version} -F ${file} ${flags.join(' ')}`)
+
+success(`Release notes published for ${version}.`)