feat: improve return types for createMany, findByIds, findMany resolvers ([Type] -> [Type!])

Author: nodkz

src/resolvers/__tests__/createMany-test.js

@@ -194,15 +194,13 @@ describe('createMany() ->', () => {
     });
 
     it('should have recordIds field, NonNull List', () => {
-      const outputType: any = createMany(UserModel, UserTC).getType();
-      const recordIdField = schemaComposer.createObjectTC(outputType).getFieldConfig('recordIds');
-      expect(recordIdField.type).toEqual(new GraphQLNonNull(GraphQLList(GraphQLMongoID)));
+      const resolver = createMany(UserModel, UserTC);
+      expect(resolver.getOTC().getFieldTypeName('recordIds')).toEqual('[MongoID!]!');
     });
 
     it('should have records field, NonNull List', () => {
-      const outputType: any = createMany(UserModel, UserTC).getType();
-      const recordField = schemaComposer.createObjectTC(outputType).getFieldConfig('records');
-      expect(recordField.type).toEqual(new GraphQLNonNull(GraphQLList(UserTC.getType())));
+      const resolver = createMany(UserModel, UserTC);
+      expect(resolver.getOTC().getFieldTypeName('records')).toEqual('[User!]!');
     });
 
     it('should have createCount field, Int', () => {

src/resolvers/createMany.js

@@ -51,11 +51,11 @@ export default function createMany<TSource: MongooseDocument, TContext>(
   const outputType = tc.schemaComposer.getOrCreateOTC(outputTypeName, (t) => {
     t.addFields({
       recordIds: {
-        type: '[MongoID]!',
+        type: '[MongoID!]!',
         description: 'Created document ID',
       },
       records: {
-        type: tc.getTypePlural().getTypeNonNull(),
+        type: tc.getTypeNonNull().getTypePlural().getTypeNonNull(),
         description: 'Created documents',
       },
       createCount: {

src/resolvers/findByIds.js

@@ -28,7 +28,7 @@ export default function findByIds<TSource: MongooseDocument, TContext>(
   }
 
   return tc.schemaComposer.createResolver({
-    type: [tc],
+    type: tc.getTypeNonNull().getTypePlural(),
     name: 'findByIds',
     kind: 'query',
     args: {

src/resolvers/findMany.js

@@ -31,7 +31,7 @@ export default function findMany<TSource: MongooseDocument, TContext>(
   }
 
   return tc.schemaComposer.createResolver({
-    type: [tc],
+    type: tc.getTypeNonNull().getTypePlural(),
     name: 'findMany',
     kind: 'query',
     args: {