Grabbed dndbeyond's source code

```
~/go/bin/sourcemapper -output ddb -jsurl https://media.dndbeyond.com/character-app/static/js/main.90aa78c5.js
```

ddb_main/hooks/useAbilities.ts

@@ -0,0 +1,25 @@
+import { useContext, useEffect, useState } from "react";
+
+import {
+  AbilityManager,
+  FeaturesManager,
+} from "@dndbeyond/character-rules-engine/es";
+
+import { AttributesManagerContext } from "~/tools/js/Shared/managers/AttributesManagerContext";
+
+export function useAbilities() {
+  const { attributesManager } = useContext(AttributesManagerContext);
+
+  const [abilities, setAbilities] = useState<Array<AbilityManager>>([]);
+
+  useEffect(() => {
+    async function onUpdate() {
+      const abilities = await attributesManager.getAbilities();
+
+      setAbilities(abilities);
+    }
+    return FeaturesManager.subscribeToUpdates({ onUpdate });
+  }, [attributesManager, setAbilities]);
+
+  return abilities;
+}