ci: Create github releases from mjs scripts (#27121)

.github/scripts/create-github-release.mjs

@@ -0,0 +1,81 @@
+import {
+	deleteRelease,
+	ensureEnvVar,
+	getExistingRelease,
+	initGithub,
+	isReleaseTrack,
+	writeGithubOutput,
+} from './github-helpers.mjs';
+
+/**
+ * Creates release in GitHub.
+ *
+ * Required env variables:
+ *	- RELEASE_TAG	 - Release tag on git e.g. n8n@2.13.0
+ *	- BODY - Body of the release. Contains release notes etc.
+ *	- IS_PRE_RELEASE - If releasing in pre-release. Currently only for beta track.
+ *	- MAKE_LATEST - If released version should be marked as latest on GitHub
+ *	- COMMIT	- Commitish for release to point to
+ *
+ * Optional env variables:
+ *	- ADDITIONAL_TAGS	-	Comma-separated list of additional tags to release under e.g. beta
+ *
+ * GitHub variables
+ *	- GITHUB_TOKEN	-	 Used to authenticate to octokit - Can be overwritten for privileged access
+ *	- GITHUB_REPOSITORY	-	 Used to determine target repository
+ * */
+async function createGitHubRelease() {
+	const RELEASE_TAG = ensureEnvVar('RELEASE_TAG');
+	const ADDITIONAL_TAGS = process.env.ADDITIONAL_TAGS ?? '';
+	const BODY = ensureEnvVar('BODY');
+	const IS_PRE_RELEASE = ensureEnvVar('IS_PRE_RELEASE');
+	const MAKE_LATEST = ensureEnvVar('MAKE_LATEST');
+	const COMMIT = ensureEnvVar('COMMIT');
+
+	const { octokit, owner, repo } = initGithub();
+
+	const allTags = [
+		RELEASE_TAG,
+		...ADDITIONAL_TAGS.split(',')
+			.map((t) => t.trim())
+			.filter(Boolean),
+	];
+	const releases = [];
+
+	for (const tag of allTags) {
+		const existingRelease = await getExistingRelease(tag);
+		const isReleaseTrackTag = isReleaseTrack(tag);
+
+		// If we have an existing track release, we want to
+		// delete the old release before pushing a new one.
+		if (isReleaseTrackTag && existingRelease) {
+			await deleteRelease(existingRelease.id);
+		}
+
+		const releaseResponse = await octokit.rest.repos.createRelease({
+			tag_name: tag,
+			name: tag,
+			body: BODY,
+			draft: false,
+			prerelease: IS_PRE_RELEASE === 'true',
+			make_latest: MAKE_LATEST === 'true' ? 'true' : 'false',
+			target_commitish: COMMIT,
+			owner,
+			repo,
+		});
+
+		const release = releaseResponse.data;
+		releases.push(release);
+
+		console.log(`Successfully created release ${release.html_url}`);
+	}
+
+	writeGithubOutput({
+		release_urls: releases.map((release) => release.html_url).join(', '),
+	});
+}
+
+// only run when executed directly, not when imported by tests
+if (import.meta.url === `file://${process.argv[1]}`) {
+	createGitHubRelease();
+}