Bubberstation/tools/pull_request_hooks/autoChangelog.js

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"),
  });
}