Grabbed dndbeyond's source code

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

ddb_main/packages/rules-engine/es/api/requestHelpers/character/spell.js

@@ -0,0 +1,46 @@
+/**
+ *
+ * @param level
+ */
+export function getSpellLevelPactMagicRequestsDataKey(level) {
+    switch (level) {
+        case 1:
+            return 'level1';
+        case 2:
+            return 'level2';
+        case 3:
+            return 'level3';
+        case 4:
+            return 'level4';
+        case 5:
+            return 'level5';
+    }
+    return null;
+}
+/**
+ *
+ * @param level
+ */
+export function getSpellLevelSpellSlotRequestsDataKey(level) {
+    switch (level) {
+        case 1:
+            return 'level1';
+        case 2:
+            return 'level2';
+        case 3:
+            return 'level3';
+        case 4:
+            return 'level4';
+        case 5:
+            return 'level5';
+        case 6:
+            return 'level6';
+        case 7:
+            return 'level7';
+        case 8:
+            return 'level8';
+        case 9:
+            return 'level9';
+    }
+    return null;
+}