CRUD over a folder over HTTP

http-file-explorer.js

const formidable = require('formidable')
const fs = require('fs-extra')
const path = require('path')

module.exports = ({path: _path}) => {
  fs.ensureDirSync(_path)
  return async (req, res) => {
    const method = req.method.toLowerCase()
    switch (method) {
      case 'get':
        await get(_path, req, res)
        break
      case 'post':
        await post(_path, req, res)
        break
      case 'delete':
        await del(_path, req, res)
        break
    }
    jsonResponse(res, {url: req.url})
  }

  function jsonResponse (res, json) {
    res.writeHead(200, {'content-type': 'application/json'})
    res.end(JSON.stringify(json))
  }

  async function get(root, req, res) {
    const fullPath = req.url.slice(1)
    const folderName = path.resolve(root, path.dirname(fullPath))
  }

  async function post(root, req, res) {
    const fullPath = req.url.slice(1)
    const files = await getFile(req)
    let folderName
    if (files.length > 1) {
      folderName = path.resolve(root, fullPath)
    } else {
      folderName = path.resolve(root, path.dirname(fullPath))
    }
    await fs.ensureDir(folderName)
    if (files.length > 1) {
      for (let file of files) {
        await fs.move(file.path, path.resolve(folderName, file.name))
      }
    } else {
      await fs.move(files[0].path, path.resolve(folderName, path.basename(fullPath)))
    }
  }

  async function del(root, req, res) {
    const fullPath = req.url.slice(1)
    const folderName = path.resolve(root, path.dirname(fullPath))
  }


  function getFile (req) {
    return new Promise((resolve, reject) => {
      const form = new formidable.IncomingForm()
      form.maxFieldsSize = 100 * 1024 * 1024
      form.parse(req, (err, fields, files) => {
        if (err) {
          reject(err)
        } else {
          resolve(Object.keys(files).map(k => files[k]))
        }
      })
    })
  }
}