Function mapFilesToPackages

packages/bumpy/src/commands/generate.ts:194–211

(
  files: string[],
  packages: Map<string, WorkspacePackage>,
  rootDir: string,
)

/** Map file paths to package names based on directory containment */
export function mapFilesToPackages(
  files: string[],
  packages: Map<string, WorkspacePackage>,
  rootDir: string,
): string[] {
  const matched = new Set<string>();
  for (const file of files) {
    for (const [name, pkg] of packages) {
      const pkgRelDir = relative(rootDir, pkg.dir);
      // Root package (single-package repo) has an empty relative dir, so every
      // file belongs to it. Otherwise the file must live under the package dir.
      if (pkgRelDir === '' || file.startsWith(pkgRelDir + '/')) {
        matched.add(name);
      }
    }
  }
  return [...matched];
}

/** Parse raw git log output into individual commits */
function parseGitLog(raw: string): { hash: string; subject: string; body: string }[] {