Install Mapbox GL JS with a bundler | Mapbox

Include the GL JS files

Include the GL JS JavaScript and CSS files in the <head> of your HTML file.

<script src='https://api.mapbox.com/mapbox-gl-js/v2.9.1/mapbox-gl.js'></script>
<link href='https://api.mapbox.com/mapbox-gl-js/v2.9.1/mapbox-gl.css' rel='stylesheet' />