Function parseAllChangeFiles

scripts/changes/changes.ts:218–338

()

 * Returns releases if valid, or errors if invalid.
 */
export function parseAllChangeFiles(): ParsedChanges {
  let packageDirNames = getAllPackageDirNames();
  let errors: ValidationError[] = [];

  // Build maps for lookup
  let dirNameToPackageName = new Map<string, string>();
  let packageNameToDirName = new Map<string, string>();

  // First pass: collect package info and validate change files
  interface ParsedPackageInfo {
    packageDirName: string;
    packageName: string;
    currentVersion: string;
    changes: ChangeFile[];
  }
  let parsedPackages: ParsedPackageInfo[] = [];

  for (let packageDirName of packageDirNames) {
    let parsed = parsePackageChanges(packageDirName);

    if (!parsed.valid) {
      errors.push(...parsed.errors);
      continue;
    }

    let packageJsonPath = getPackageFile(packageDirName, "package.json");
    let packageJson = readJson(packageJsonPath);
    let packageName = packageJson.name as string;
    let currentVersion = packageJson.version as string;

    dirNameToPackageName.set(packageDirName, packageName);
    packageNameToDirName.set(packageName, packageDirName);

    parsedPackages.push({
      packageDirName,
      packageName,
      currentVersion,
      changes: parsed.changes,
    });
  }

  if (errors.length > 0) {
    return { valid: false, errors };
  }

  let allChanges = new Set(
    parsedPackages.flatMap((p) => p.changes.flatMap((c) => c.bump)),
  );

  if (allChanges.size === 0) {
    return { valid: true, releases: [] };
  }

  let bump: BumpType = allChanges.has("major")
    ? "major"
    : allChanges.has("minor")
      ? "minor"
      : "patch";