sample(@nestjs) add class serializer sample

sample/21-serializer/.gitignore

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+# dependencies
+/node_modules
+
+# IDE
+/.idea
+/.awcache
+/.vscode
+
+# misc
+npm-debug.log
+
+# example
+/quick-start
+
+# tests
+/test
+/coverage
+/.nyc_output
+
+# dist
+/dist

sample/21-serializer/jest.json

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+{
+  "moduleFileExtensions": [
+        "ts",
+        "tsx",
+        "js",
+        "json"
+    ],
+    "transform": {
+        "^.+\\.tsx?$": "<rootDir>/node_modules/ts-jest/preprocessor.js"
+    },
+    "testRegex": "/src/.*\\.(test|spec).(ts|tsx|js)$",
+    "collectCoverageFrom" : ["src/**/*.{js,jsx,tsx,ts}", "!**/node_modules/**", "!**/vendor/**"],
+    "coverageReporters": ["json", "lcov"]
+}

sample/21-serializer/package.json

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+{
+  "name": "nest-typescript-starter",
+  "version": "1.0.0",
+  "description": "Nest TypeScript starter repository",
+  "license": "MIT",
+  "scripts": {
+    "start": "ts-node src/main.ts",
+    "prestart:prod": "tsc",
+    "start:prod": "node dist/main.js",
+    "test": "jest --config=jest.json",
+    "test:watch": "jest --watch --config=jest.json",
+    "test:coverage":
+      "jest --config=jest.json --coverage --coverageDirectory=coverage",
+    "e2e": "jest --config=e2e/jest-e2e.json --forceExit",
+    "e2e:watch": "jest --watch --config=e2e/jest-e2e.json"
+  },
+  "dependencies": {
+    "@nestjs/common": "^5.1.0",
+    "@nestjs/core": "^5.1.0",
+    "@nestjs/microservices": "^5.1.0",
+    "@nestjs/testing": "^5.1.0",
+    "@nestjs/websockets": "^5.1.0",
+    "class-transformer": "^0.1.7",
+    "reflect-metadata": "^0.1.12",
+    "rxjs": "^6.0.0",
+    "typescript": "^2.8.0"
+  },
+  "devDependencies": {
+    "@types/jest": "^20.0.8",
+    "@types/node": "^7.0.41",
+    "jest": "^20.0.4",
+    "supertest": "^3.0.0",
+    "ts-jest": "^20.0.14",
+    "ts-node": "^6.0.0",
+    "tslint": "^5.9.1"
+  }
+}

sample/21-serializer/src/app.controller.ts

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+import {
+  ClassSerializerInterceptor,
+  Controller,
+  Get,
+  SerializeOptions,
+  UseInterceptors,
+} from '@nestjs/common';
+import { RoleEntity } from './entities/role.entity';
+import { UserEntity } from './entities/user.entity';
+
+@Controller()
+@UseInterceptors(ClassSerializerInterceptor)
+export class AppController {
+  @Get()
+  @SerializeOptions({
+    excludePrefixes: 'excludeAll',
+  })
+  findOne(): UserEntity {
+    return new UserEntity({
+      id: 1,
+      firstName: 'Kamil',
+      lastName: 'Mysliwiec',
+      password: 'password',
+      role: new RoleEntity({ id: 1, name: 'admin' }),
+    });
+  }
+}

sample/21-serializer/src/app.module.ts

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+import { Module } from '@nestjs/common';
+import { AppController } from './app.controller';
+
+@Module({
+  controllers: [AppController],
+})
+export class ApplicationModule {}

sample/21-serializer/src/entities/role.entity.ts

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+export class RoleEntity {
+  id: number;
+  name: string;
+
+  constructor(partial: Partial<RoleEntity>) {
+    Object.assign(this, partial);
+  }
+}

sample/21-serializer/src/entities/user.entity.ts

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+import { Exclude, Expose, Transform } from 'class-transformer';
+import { RoleEntity } from './role.entity';
+
+export class UserEntity {
+  id: number;
+  firstName: string;
+  lastName: string;
+
+  @Exclude() password: string;
+
+  @Expose()
+  get fullName(): string {
+    return `${this.firstName} ${this.lastName}`;
+  }
+
+  @Transform(role => role.name)
+  role: RoleEntity;
+
+  constructor(partial: Partial<UserEntity>) {
+    Object.assign(this, partial);
+  }
+}

sample/21-serializer/src/main.ts

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+import { ValidationPipe } from '@nestjs/common';
+import { NestFactory } from '@nestjs/core';
+import { ApplicationModule } from './app.module';
+
+async function bootstrap() {
+  const app = await NestFactory.create(ApplicationModule);
+  app.useGlobalPipes(new ValidationPipe());
+  await app.listen(3000);
+}
+bootstrap();

sample/21-serializer/tsconfig.json

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+{
+  "compilerOptions": {
+    "module": "commonjs",
+    "declaration": false,
+    "noImplicitAny": false,
+    "removeComments": true,
+    "noLib": false,
+    "emitDecoratorMetadata": true,
+    "experimentalDecorators": true,
+    "target": "es6",
+    "sourceMap": true,
+    "allowJs": true,
+    "outDir": "./dist"
+  },
+  "include": [
+    "src/**/*"
+  ],
+  "exclude": [
+    "node_modules",
+    "**/*.spec.ts"
+  ]
+}

sample/21-serializer/tslint.json

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+{
+    "defaultSeverity": "error",
+    "extends": [
+        "tslint:recommended"
+    ],
+    "jsRules": {
+        "no-unused-expression": true
+    },
+    "rules": {
+        "eofline": false,
+        "quotemark": [
+            true,
+            "single"
+        ],
+        "ordered-imports": [
+            false
+        ],
+        "max-line-length": [
+            150
+        ],
+        "member-ordering": [
+            false
+        ],
+        "curly": false,
+        "interface-name": [
+            false
+        ],
+        "array-type": [
+            false
+        ],
+        "member-access": [
+            false
+        ],
+        "no-empty-interface": false,
+        "no-empty": false,
+        "arrow-parens": false,
+        "object-literal-sort-keys": false,
+        "no-unused-expression": false,
+        "max-classes-per-file": [
+            false
+        ],
+        "variable-name": [
+            false
+        ],
+        "one-line": [
+            false
+        ],
+        "one-variable-per-declaration": [
+            false
+        ]
+    },
+    "rulesDirectory": []
+}