Prisma Generation client (npm script concurrently)

backend/src/graphql/graphql.typings.ts

@@ -20,7 +20,7 @@ export class User {
 }
 
 export abstract class IQuery {
-    abstract users(): Nullable<Nullable<User>[]> | Promise<Nullable<Nullable<User>[]>>;
+    abstract users(): Nullable<User>[] | Promise<Nullable<User>[]>;
 
     abstract user(id: string): Nullable<User> | Promise<Nullable<User>>;
 }

backend/src/users/users.graphql

@@ -16,7 +16,7 @@ input CreateUserInput {
 # }
 
 type Query {
-  users: [User]
+  users: [User]!
   user(id: String!): User
 }