Detect if the browser devtool (console) is in use or not

js_tool_isDevtoolOpen.js

/**
 * @returns bool whether the browser devtool is in use or not
 */
exports.isDevtoolOpen = function () {
  let isOpen
  let element = new Audio() // does not shows unless verbose filter selected
  Object.defineProperty(element, 'id', {
    get: function () {
      isOpen = true
      return null
    }
  })
  isOpen = false
  console.debug(element)
  return isOpen
}