schild.report/src-electron/main-process/mkdir.js

import { mkdirSync } from 'fs'
import { sep, isAbsolute, resolve } from 'path'

export function mkDirByPathSync (targetDir, { isRelativeToScript = false } = {}) {
  const seperator = sep
  const initDir = isAbsolute(targetDir) ? seperator : ''
  const baseDir = isRelativeToScript ? __dirname : '.'

  return targetDir.split(seperator).reduce((parentDir, childDir) => {
    const curDir = resolve(baseDir, parentDir, childDir)
    try {
      mkdirSync(curDir)
    } catch (err) {
      if (err.code === 'EEXIST') { // curDir already exists!
        return curDir
      }

      // To avoid `EISDIR` error on Mac and `EACCES`-->`ENOENT` and `EPERM` on Windows.
      if (err.code === 'ENOENT') { // Throw the original parentDir error on curDir `ENOENT` failure.
        throw new Error(`EACCES: permission denied, mkdir '${parentDir}'`)
      }

      const caughtErr = ['EACCES', 'EPERM', 'EISDIR'].indexOf(err.code) > -1
      if (!caughtErr || (caughtErr && curDir) === resolve(targetDir)) {
        throw err // Throw if it's just the last created dir.
      }
    }

    return curDir
  }, initDir)
}