import * as path from 'path'; export const editFileName = (req, file, callback) => { const name = file.originalname.split('.')[0]; const fileExtName = path.extname(file.originalname); // const fileExtName = 'asdasd'; const randomName = Array(4) .fill(null) .map(() => Math.round(Math.random() * 16).toString(16)) .join(''); callback(null, `${name}-${randomName}${fileExtName}`); };