Abbreviated NextJS/React Viafoura Implementation loadScript

loadScript.js

const loadScript = function(id, src, callback) {
  const existingScript = document.getElementById(id);

  if (!existingScript) {
    const script = document.createElement('script');
    script.src = src;
    script.id = id;
    document.body.appendChild(script);

    script.onload = () => {
        if (callback) callback();
    };
  }

  if (existingScript && callback) callback();
}

export default loadScript;