Function walkFiles

src/testUtil/walkAsync.ts:12–23

(dir: string)

 * @returns
 */
export const walkFiles = async (dir: string): Promise<string[]> => {
  const dirEntries = await readdir(dir, { withFileTypes: true });

  return flatten(
    await Promise.all(
      dirEntries.map(async (dirent) => {
        const filePath = path.join(dir, dirent.name);
        return dirent.isDirectory() ? await walkFiles(filePath) : [filePath];
      })
    )
  );
};