Add dummy mutation (for client)

src/graphql/resolvers/dummy.mutation.ts

@@ -0,0 +1,11 @@
+import { Resolver, Mutation } from 'type-graphql';
+
+@Resolver()
+class DummyMutationResolver {
+  @Mutation()
+  noop(): string {
+    return 'hi';
+  }
+}
+
+export default DummyMutationResolver;

src/graphql/resolvers/index.ts

@@ -1,2 +1,3 @@
 export { default as topRatedArtistsResolver } from './topRatedArtists.resolver';
 export { default as trackResolver } from './track.resolver';
+export { default as dummyMutationResolver } from './dummy.mutation';

src/index.ts

@@ -8,7 +8,11 @@ import { buildSchema } from 'type-graphql';
 import fastifyCompress from 'fastify-compress';
 
 import { FastifyInstanceType } from '@app/types';
-import { topRatedArtistsResolver, trackResolver } from '@app/graphql/resolvers';
+import {
+  topRatedArtistsResolver,
+  trackResolver,
+  dummyMutationResolver,
+} from '@app/graphql/resolvers';
 
 dotenv.config();
 
@@ -20,7 +24,7 @@ const buildServer = async (): Promise<FastifyInstanceType> => {
   app.register(fastifyCompress);
 
   const schema = await buildSchema({
-    resolvers: [topRatedArtistsResolver, trackResolver],
+    resolvers: [topRatedArtistsResolver, trackResolver, dummyMutationResolver],
   });
 
   app.register(fastifyGQL, {