feat: ✨ Move users.resolver to users/presentation

libs/users/presentation/README.md

@@ -0,0 +1,7 @@
+# users-presentation
+
+This library was generated with [Nx](https://nx.dev).
+
+## Running unit tests
+
+Run `nx test users-presentation` to execute the unit tests via [Jest](https://jestjs.io).

libs/users/presentation/eslint.config.js

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+const baseConfig = require('../../../eslint.config.js');
+
+module.exports = [...baseConfig];

libs/users/presentation/jest.config.ts

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+export default {
+  displayName: 'users-presentation',
+  preset: '../../../jest.preset.js',
+  testEnvironment: 'node',
+  transform: {
+    '^.+\\.[tj]s$': ['ts-jest', { tsconfig: '<rootDir>/tsconfig.spec.json' }],
+  },
+  moduleFileExtensions: ['ts', 'js', 'html'],
+  coverageDirectory: '../../../coverage/libs/users/presentation',
+};

libs/users/presentation/project.json

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+{
+  "name": "users-presentation",
+  "$schema": "../../../node_modules/nx/schemas/project-schema.json",
+  "sourceRoot": "libs/users/presentation/src",
+  "projectType": "library",
+  "tags": [],
+  "// targets": "to see all targets run: nx show project users-presentation --web",
+  "targets": {}
+}

libs/users/presentation/src/index.ts

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+export * from './lib/users.resolver';

libs/users/presentation/src/lib/users.resolver.spec.ts

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+import { Test, TestingModule } from '@nestjs/testing';
+import { UsersResolver } from './users.resolver';
+import { UsersService } from '../../../application/src/lib/users.service';
+import { User } from '@user/domain';
+
+describe('UsersResolver', () => {
+  let resolver: UsersResolver;
+  let service: UsersService;
+
+  beforeEach(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      providers: [
+        UsersResolver,
+        {
+          provide: UsersService,
+          useValue: {
+            findById: jest.fn(),
+          },
+        },
+      ],
+    }).compile();
+
+    resolver = module.get<UsersResolver>(UsersResolver);
+    service = module.get<UsersService>(UsersService);
+  });
+
+  it('should be defined', () => {
+    expect(resolver).toBeDefined();
+  });
+
+  describe('getUser', () => {
+    it('should return a user by id', () => {
+      const user: User = { id: '1', name: 'John Doe' };
+      jest.spyOn(service, 'findById').mockReturnValue(user);
+
+      expect(resolver.getUser('1')).toEqual(user);
+      expect(service.findById).toHaveBeenCalledWith('1');
+    });
+
+    it('should return undefined if user not found', () => {
+      jest.spyOn(service, 'findById').mockReturnValue(undefined);
+
+      expect(resolver.getUser('2')).toBeUndefined();
+      expect(service.findById).toHaveBeenCalledWith('2');
+    });
+  });
+
+  describe('resolveReference', () => {
+    it('should return a user by reference id', () => {
+      const user: User = { id: '1', name: 'John Doe' };
+      jest.spyOn(service, 'findById').mockReturnValue(user);
+
+      expect(
+        resolver.resolveReference({ __typename: 'User', id: '1' }),
+      ).toEqual(user);
+      expect(service.findById).toHaveBeenCalledWith('1');
+    });
+
+    it('should return undefined if user not found by reference id', () => {
+      jest.spyOn(service, 'findById').mockReturnValue(undefined);
+
+      expect(
+        resolver.resolveReference({ __typename: 'User', id: '2' }),
+      ).toBeUndefined();
+      expect(service.findById).toHaveBeenCalledWith('2');
+    });
+  });
+});

libs/users/presentation/src/lib/users.resolver.ts

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+import { Args, ID, Query, Resolver, ResolveReference } from '@nestjs/graphql';
+import { User } from '@user/domain';
+
+import { UsersService } from '../../../application/src/lib/users.service';
+
+@Resolver(() => User)
+export class UsersResolver {
+  constructor(private usersService: UsersService) {}
+
+  @Query(() => User, { nullable: true })
+  getUser(@Args({ name: 'id', type: () => ID }) id: string): User | undefined {
+    return this.usersService.findById(id);
+  }
+
+  @ResolveReference()
+  resolveReference(reference: {
+    __typename: string;
+    id: string;
+  }): User | undefined {
+    return this.usersService.findById(reference.id);
+  }
+}

libs/users/presentation/tsconfig.json

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+{
+  "extends": "../../../tsconfig.base.json",
+  "compilerOptions": {
+    "module": "commonjs",
+    "forceConsistentCasingInFileNames": true,
+    "strict": true,
+    "noImplicitOverride": true,
+    "noImplicitReturns": true,
+    "noFallthroughCasesInSwitch": true,
+    "noPropertyAccessFromIndexSignature": true
+  },
+  "files": [],
+  "include": [],
+  "references": [
+    {
+      "path": "./tsconfig.lib.json"
+    },
+    {
+      "path": "./tsconfig.spec.json"
+    }
+  ]
+}

libs/users/presentation/tsconfig.lib.json

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+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "module": "commonjs",
+    "outDir": "../../../dist/out-tsc",
+    "declaration": true,
+    "types": ["node"]
+  },
+  "exclude": ["jest.config.ts", "src/**/*.spec.ts", "src/**/*.test.ts"],
+  "include": ["src/**/*.ts"]
+}

libs/users/presentation/tsconfig.spec.json

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+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "../../../dist/out-tsc",
+    "module": "commonjs",
+    "types": ["jest", "node"]
+  },
+  "include": [
+    "jest.config.ts",
+    "src/**/*.test.ts",
+    "src/**/*.spec.ts",
+    "src/**/*.d.ts"
+  ]
+}

tsconfig.base.json

@@ -18,7 +18,8 @@
       "@libs/config": ["libs/config/src/index.ts"],
       "@prompt/domain": ["libs/prompt/domain/src/index.ts"],
       "@user/domain": ["libs/user/domain/src/index.ts"],
-      "@users/application": ["libs/users/application/src/index.ts"]
+      "@users/application": ["libs/users/application/src/index.ts"],
+      "@users/presentation": ["libs/users/presentation/src/index.ts"]
     }
   },
   "exclude": ["node_modules", "tmp"]