site-validator-cli/lib/clear-cache.js

A command line tool that takes a URL or a file, then uses html-validator (a wrapper for https://validator.w3.org/nu/) to validate each page.

'use strict'

const fs = require('fs')
const path = require('path')

module.exports = (subfolder) => {
  var cachePath = path.resolve(`${__dirname}/../cache/${subfolder}`)
  // consulted SharpCoder's answer at
  // https://stackoverflow.com/questions/18052762/remove-directory-which-is-not-empty
  const deleteFolderRecursive = function (path) {
    if (fs.existsSync(path)) {
      fs.readdirSync(path).forEach(function (file, index) {
        const curPath = path + '/' + file
        if (fs.lstatSync(curPath).isDirectory()) { // recurse
          deleteFolderRecursive(curPath)
        } else { // delete file
          fs.unlinkSync(curPath)
        }
      })
      if (path !== cachePath) {
        fs.rmdirSync(path)
      }
    }
  }
  deleteFolderRecursive(cachePath)
  console.log('\nCache cleared!')
}