Further improved auto-changelogs (#7600)

tools/pull_request_hooks/autoChangelog.js

@@ -0,0 +1,42 @@
+import { parseChangelog } from "./changelogParser.js";
+
+const safeYml = (string) =>
+	string.replace(/\\/g, "\\\\").replace(/"/g, '\\"').replace(/\n/g, "\\n");
+
+export function changelogToYml(changelog, login) {
+	const author = changelog.author || login;
+	const ymlLines = [];
+
+	ymlLines.push(`author: "${safeYml(author)}"`);
+	ymlLines.push(`delete-after: True`);
+	ymlLines.push(`changes:`);
+
+	for (const change of changelog.changes) {
+		ymlLines.push(
+			`  - ${change.type.changelogKey}: "${safeYml(change.description)}"`
+		);
+	}
+
+	return ymlLines.join("\n");
+}
+
+export async function processAutoChangelog({ github, context }) {
+	const changelog = parseChangelog(context.payload.pull_request.body);
+	if (!changelog || changelog.changes.length === 0) {
+		console.log("no changelog found");
+		return;
+	}
+
+	const yml = changelogToYml(
+		changelog,
+		context.payload.pull_request.user.login
+	);
+
+	github.rest.repos.createOrUpdateFileContents({
+		owner: context.repo.owner,
+		repo: context.repo.repo,
+		path: `html/changelogs/AutoChangeLog-pr-${context.payload.pull_request.number}.yml`,
+		message: `Automatic changelog for PR #${context.payload.pull_request.number} [ci skip]`,
+		content: Buffer.from(yml).toString("base64"),
+	});
+}