Node.js recursive directory walker (SYNC)

walk.js

function walk(dirPath) {
    const stats = fs.lstatSync(dirPath)
    let type = mime.lookup(dirPath)

    var data = []
    if(stats.isFile()) {
      data.push({
        path: dirPath.replace(/\\/gi, '/'),
        name: path.basename(dirPath),
        type
      })
    }
    if (stats.isDirectory()) {
      fs.readdirSync(dirPath).map(child => {

        data.push(...walk(path.join(dirPath, child)))
      })
    }
    return data
}