test-fake-server/lib/utils.js

simple way to create node http server

const fs = require('fs')

/** // sync implementation
  * @param {string} fs_path path to file, what should be removed
  * @returns {void}
*/

function fs_unlink_sync(fs_path) {
  fs.unlinkSync(fs_path)
}

/** // sync implementation
  * @param {string} fs_path path to file, where it should be created
  * @param {string} data stringified object ets
  * @returns {void}
*/
function fs_write_sync(fs_path, data) {
  fs.writeFileSync(fs_path, data)
}

/** // async implementation
  * @param {string} fs_path path to file, where it should be created
  * @param {string} data stringified object ets
  * @returns {void}
*/
async function fs_write_async(fs_path, data) {
  return new Promise((res) => {
    fs.writeFile(fs_path, data, (err) => {
      if(err) throw new Error('Something wend wrong with file creation process')
      res()
    })
  })
}

/** //
  * @returns {string}
*/
function get_random_file_name() {
  const random_file_path = (length = 4) => {
    const num_str = 'qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM'
    let base_path = './routs'
    for(let i = 0; i < length - 1; i++) {
      let rand_num = Math.floor(Math.floor(51) * Math.random())
      base_path += num_str[rand_num]
    }
    return `${base_path}.js`
  }
  const file_path = random_file_path(10)
  if(fs.existsSync(file_path)) {
    return get_random_file_name()
  }
  return file_path
}

module.exports = {
  fs_write_async,
  fs_write_sync,
  fs_unlink_sync,
  get_random_file_name
}