Add github-release.js

scripts/github-release.js

@@ -0,0 +1,53 @@
+import {execSync} from 'child_process';
+import {readFileSync} from 'fs';
+
+// Get the latest tag
+const tag = getGitTag();
+if (!tag) {
+  console.error('TAG NOT FOUND');
+  process.exit(1);
+}
+
+// Parse changelog
+const changelog = getReleaseNotes(tag);
+if (!changelog) {
+  console.error('CHANGELOG NOT FOUND');
+  process.exit(1);
+}
+
+// Publish release notes to GitHub
+// https://docs.github.com/en/rest/reference/repos#create-a-release
+const requestBody = {
+  tag_name: tag,
+  name: tag,
+  body: changelog,
+  prerelease: tag.search(/alpha|beta|rc/) > 0
+};
+
+console.log(JSON.stringify(requestBody));
+
+function getGitTag() {
+  try {
+    return execSync('git describe --tags --exact-match HEAD', {
+      stdio: [null, 'pipe', null],
+      encoding: 'utf-8'
+    }).trim();
+  } catch (err) {
+    // not tagged
+    return null;
+  }
+}
+
+function getReleaseNotes(version) {
+  let changelog = readFileSync('CHANGELOG.md', 'utf-8');
+  const header = changelog.match(new RegExp(`^###.*\\b${version.replace('v', '')}\\b.*$`, 'm'));
+  if (!header) {
+    return null;
+  }
+  changelog = changelog.slice(header.index + header[0].length);
+  const endIndex = changelog.search(/^#/m);
+  if (endIndex > 0) {
+    changelog = changelog.slice(0, endIndex);
+  }
+  return changelog.trim();
+}