ci: conventional commits changelog (#3843)

* feat(live-preview): another oen

* wip: changelog script

* wippppp

* chore: this worked

* wip: changelog working

* chore(script): working changelog gen

* chore(script): update changelog during release

scripts/utils/updateChangelog.ts

@@ -0,0 +1,54 @@
+import addStream from 'add-stream'
+import { ExecSyncOptions } from 'child_process'
+import conventionalChangelog from 'conventional-changelog'
+import fse, { createReadStream, createWriteStream } from 'fs-extra'
+import minimist from 'minimist'
+import semver, { ReleaseType } from 'semver'
+import tempfile from 'tempfile'
+import { PackageDetails } from '../lib/getPackageDetails'
+
+type Args = {
+  pkg: PackageDetails
+  bump: ReleaseType
+}
+
+export const updateChangelog = ({ pkg, bump }: Args) => {
+  // Prefix to find prev tag
+  const tagPrefix = pkg.shortName === 'payload' ? 'v' : pkg.prevGitTag.split('/')[0] + '/'
+
+  const nextReleaseVersion = semver.inc(pkg.version, bump) as string
+  const changelogStream = conventionalChangelog(
+    {
+      preset: 'conventionalcommits',
+      tagPrefix,
+      pkg: {
+        path: `${pkg.packagePath}/package.json`,
+      },
+    },
+    {
+      version: nextReleaseVersion, // next release
+    },
+    {
+      path: 'packages',
+      // path: pkg.packagePath,
+      // from: pkg.prevGitTag,
+      // to: 'HEAD'
+    },
+  ).on('error', (err) => {
+    console.error(err.stack)
+    console.error(err.toString())
+    process.exit(1)
+  })
+
+  const changelogFile = 'CHANGELOG.md'
+  const readStream = fse.createReadStream(changelogFile)
+
+  const tmp = tempfile()
+
+  changelogStream
+    .pipe(addStream(readStream))
+    .pipe(createWriteStream(tmp))
+    .on('finish', () => {
+      createReadStream(tmp).pipe(createWriteStream(changelogFile))
+    })
+}