Function first

packages/compiler-cli/test/mocks.ts:88–94

(a: T[], cb: (value: T) => T | undefined)

}

function first<T>(a: T[], cb: (value: T) => T | undefined): T | undefined {
  for (const value of a) {
    const result = cb(value);
    if (result != null) return result;
  }
  return;
}

function getEntryFromFiles(parts: string[], files: Entry) {
  let current = files;