Storyline Custom TextArea Lib

const isScriptAlreadyIncluded = (src) => document.querySelector(`script[src="${src}"]`) !== null;
const loadScript = (src) => {
  if (!isScriptAlreadyIncluded(src)) {
    const script = document.createElement('script');
    script.src = src;
    script.async = true;
    document.head.appendChild(script);
  }
};
const nrzTextArea = 'https://cdn.jsdelivr.net/gh/nrzmalik/nrzTextArea@latest/nrzTextAreaSL.js';
loadScript(nrzTextArea);