npm install source-map-jsyarn add source-map-jspnpm add source-map-js<script src="https://fastly.jsdelivr.net/npm/source-map-js"></script><script src="https://unpkg.com/source-map-js"></script><script type="module">
import sourcemapjs from 'https://cdn.jsdelivr.net/npm/source-map-js/+esm';
</script><script type="module">
import sourcemapjs from 'https://cdn.skypack.dev/source-map-js';
</script>