Check module existence within Front end

checkModuleExists.js

/**
 * Check if required module exists physically
 *
 * Checking if a requested filename is existing physically
 * without having to load it before for performance purpose.
 * This check should be made before requiring the script.
 *
 * @param {*} filename Name of the file to check for
 */
moduleExists (filename) {
  // Search for .js files inside a specific folder
  let req = require.context('./drivers', false, /\.js$/i)

  // Get their cleaned up filepath names
  const files = req.keys().map(item => item.slice(2, (item.length - 3)))

  // Return results as an array or an object
  return files.includes(filename)
}