import { promisify } from '@0xproject/utils'; import * as fs from 'fs'; export const fsWrapper = { readdirAsync: promisify(fs.readdir), readFileAsync: promisify(fs.readFile), writeFileAsync: promisify(fs.writeFile), mkdirAsync: promisify(fs.mkdir), doesPathExistSync: fs.existsSync, removeFileAsync: promisify(fs.unlink), };