fix: do not use cache for generating a new TypeComposer if provided new type name

Author: nodkz

.vscode/settings.json

@@ -2,5 +2,8 @@
   "eslint.validate": ["javascript"],
   "javascript.validate.enable": false,
   "javascript.autoClosingTags": false,
-  "eslint.autoFixOnSave": true
+  "eslint.autoFixOnSave": true,
+  "editor.codeActionsOnSave": {
+    "source.fixAll.eslint": true
+  }
 }

src/fieldsConverter.js

@@ -130,7 +130,12 @@ export function convertModelToGraphQL<TSource, TContext>(
   }
 
   // if model already has generated ObjectTypeComposer early, then return it
-  if (sc.has(model.schema)) {
+  if (sc.has(model.schema) && sc.has(typeName)) {
+    if (sc.get(model.schema) !== sc.get(typeName)) {
+      throw new Error(
+        `You try to generate GrpahQL Type with name ${typeName} from mongoose model but this type already exists in SchemaComposer. Please choose another type name or remove existed type from schemaComposer.`
+      );
+    }
     return sc.getOTC(model.schema);
   }