Function main

scripts/changes/pr.ts:53–173

()

let maxBodyLength = 60_000;

async function main() {
  console.log(preview ? "🔍 PREVIEW MODE\n" : "");

  // Parse and validate changes
  console.log("Validating change files...");
  let result = parseAllChangeFiles();

  if (!result.valid) {
    console.error("Validation errors found:");
    for (let error of result.errors) {
      console.error(`  ${error.packageDirName}/${error.file}: ${error.error}`);
    }
    process.exit(1);
  }

  let { releases } = result;

  let pkgJson = readJson(getPackageFile("react-router", "package.json"));
  let majorVersion = semver.major(releases[0]?.nextVersion ?? pkgJson.version);
  let prBranchPrefix = baseBranch === "hotfix" ? "hotfix" : "release";
  let prBranch = `${prBranchPrefix}-v${majorVersion}-pr`;

  if (releases.length === 0) {
    console.log("No pending changes to release.");

    // Check if there's a stale PR that should be closed
    if (!preview && process.env.GITHUB_TOKEN) {
      let existingPr = await findOpenPr(prBranch, baseBranch);
      if (existingPr) {
        console.log(`\nClosing stale PR #${existingPr.number}...`);
        await closePr(
          existingPr.number,
          "Closing automatically — all change files have been removed or released.",
        );
        console.log(`✅ Closed PR: ${existingPr.html_url}`);
      }
    }

    process.exit(0);
  }

  console.log(
    `\nFound ${releases.length} package${releases.length === 1 ? "" : "s"} with changes:`,
  );
  for (let release of releases) {
    console.log(
      `  • ${release.packageName}: ${release.currentVersion} → ${release.nextVersion}`,
    );
  }
  console.log();

  // Generate content
  let commitMessage = generateCommitMessage(releases);
  let prTitle = `${baseBranch === "hotfix" ? "Hotfix Release" : "Release"} v${releases[0].nextVersion}`;
  let prBody = generatePrBody(releases);

  if (preview) {
    console.log("Would create/update PR with:");