Grabbed dndbeyond's source code

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

ddb_main/handlers/commonHandlers.ts

@@ -0,0 +1,50 @@
+import { Dispatch } from "react";
+
+import {
+  Action,
+  ActionUtils,
+  characterActions,
+  Spell,
+  SpellUtils,
+} from "@dndbeyond/character-rules-engine/es";
+
+export const handleActionUseSet = (
+  action: Action,
+  uses: number,
+  dispatch: Dispatch<any>
+): void => {
+  const id = ActionUtils.getId(action);
+  const entityTypeId = ActionUtils.getEntityTypeId(action);
+  const dataOriginType = ActionUtils.getDataOriginType(action);
+
+  if (id !== null && entityTypeId !== null) {
+    dispatch(
+      characterActions.actionUseSet(id, entityTypeId, uses, dataOriginType)
+    );
+  }
+};
+
+export const handleSpellUseSet = (
+  spell: Spell,
+  uses: number,
+  dispatch: Dispatch<any>
+): void => {
+  const mappingId = SpellUtils.getMappingId(spell);
+  const mappingEntityTypeId = SpellUtils.getMappingEntityTypeId(spell);
+  const dataOriginType = SpellUtils.getDataOriginType(spell);
+
+  if (
+    mappingId !== null &&
+    mappingEntityTypeId !== null &&
+    dataOriginType !== null
+  ) {
+    dispatch(
+      characterActions.spellUseSet(
+        mappingId,
+        mappingEntityTypeId,
+        uses,
+        dataOriginType
+      )
+    );
+  }
+};