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GMRequireChecker

Require this script and you will get variable GMRequireChecker equals to true if loaded. In other cases, variable GMRequireChecker will just not exists.

Ce script ne doit pas être installé directement. C'est une librairie destinée à être incluse dans d'autres scripts avec la méta-directive // @require https://update.greasyfork.org/scripts/429557/951692/GMRequireChecker.js 

// ==UserScript==
// @name         GMRequireChecker
// @namespace    GMRequireChecker
// @version      0.1
// @description  Require this script and you will get variable GMRequireChecker equals to true if loaded. In other cases, variable GMRequireChecker will just not exists.
// @author       PY-DNG
// @match        *
// @icon         data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
// @grant        none
// ==/UserScript==

const GMRequiredJSLoaded = true;