This package is part of the mono repository "@hpcc-js" (aka Visualization Framework), for more information including quick start, demos and tutorials, please visit the main page on GitHub: hpcc-systems/Visualization.
The leaflet-shim package "wraps" a subset of the https://github.com/Leaflet/Leaflet functionality in a WebPack bundle to simplify its inclusion in modern JavaScript libraries / Web Applications.
Should "just work"
Simply include the package in your html file as normal (it has a global ID of "@hpcc-js/deck-shim"):
<head>
...
<script src="node_modules/@hpcc-js/leaflet-shim/dist/index.min.js"></script>
<script>
var dgridShim = window["@hpcc-js/leaflet-shim"];
</script>
</head>
<body>
...
<script>
...
</script>
...
</body>Should "just work"