useful nodejs functions

useful nodejs functions

/**
 * create folder sync
 * @param {String} rootPath root path.
 * @param {String} folderPath folder base on root path.
 * @returns {Boolean} created
 */
function mkdirsSync (rootPath, folderPath) {
  let dirPath = path.join(rootPath, folderPath)
  if (fs.existsSync(dirPath)) {
    return true
  } else {
    if (mkdirsSync(rootPath, path.dirname(folderPath))) {
      fs.mkdirSync(dirPath)
      return true
    }
  }
}

/**
 * delete folder recursive sync.
 * @param {String} path path to delete.
 */
function deleteFolderRecursive (path) {
  if (fs.existsSync(path)) {
    fs.readdirSync(path).forEach(function (file) {
      var curPath = path + '/' + file
      if (fs.lstatSync(curPath).isDirectory()) {
        deleteFolderRecursive(curPath)
      } else {
        fs.unlinkSync(curPath)
      }
    })
    fs.rmdirSync(path)
  }
}

/**
 * read folder size
 * @param {String} path folder path.
 * @returns {Number} folder size number.
 */
function readFolderSize (path) {
  if (fs.existsSync(path)) {
    var size = 0
    fs.readdirSync(path).forEach(file => {
      var curPath = path + '/' + file
      if (fs.lstatSync(curPath).isDirectory()) {
        size += readSize(curPath)
      } else {
        size += fs.statSync(curPath).size
      }
    })
    return size
  }
}