fix: Add fragment only mode

packages/graphback-codegen-client/src/ClientCRUDPlugin.ts

@@ -17,6 +17,13 @@ export interface ClientGeneratorPluginConfig {
      */
     format: 'ts' | 'graphql' | 'gqlwithfragment'
 
+    /**
+     * Generate only fragments and skip query, mutation and subscription elements
+     * This can be particulairly usefull when many custom complex queries are needed
+     * but they still base on autogenerated fragments
+     */
+    fragmentOnly: boolean
+
     /**
      * RelativePath for the output files created by generator
      */
@@ -80,6 +87,15 @@ export class ClientCRUDPlugin extends GraphbackPlugin {
             throw new Error("Invalid output format for client plugin");
         }
 
+        if (this.pluginConfig.fragmentOnly) {
+            documents = {
+                fragments: documents.fragments,
+                queries: [],
+                mutations:[],
+                subscriptions: [],
+            };
+        }
+
         return documents;
     }
 }