Function decodeFiles

api/src/routes/helpers/challenge-helpers.ts:150–155

(files: T[])

 * @returns The same array shape with `contents` decoded.
 */
export function decodeFiles<T extends { contents: string }>(files: T[]): T[] {
  return files.map(file => ({
    ...file,
    contents: decodeBase64(file.contents)
  }));
}

/**
 * Decodes a base64 encoded string into a UTF-8 string.