Polyfill
This package includes polyfills for various browsers, but is mainly intended for IE 11. It includes minimum requirements and commonly used language features used by NDLA projects.
Installation
$ yarn @ndla/polyfillUsage
Simple
// This must be the first line in your bundle.
import '@ndla/polyfill';Advanced
- Create an umd build of
@ndla/polyfill - Use
<ScriptLoader>to conditional load the polyfill based on the following features. Scripts that depend on the polyfill are loaded after the polyfill.
import ScriptLoader from '@ndla/polyfill/lib/ScriptLoader';
const Document = (props) => {
const polyfill = { src: '/polyfill.min.js' };
const scripts = [{ src: '/vendor.min.js' }, { src: '/client.min.js' }];
return (
<html>
<head />
<body>
<ScriptLoader polyfill={polyfill} scripts={scripts} />
</body>
</html>
);
};