finish

.dockerignore

+# compiled output
+/dist
+/node_modules
+
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+
+# OS
+.DS_Store
+
+# Tests
+/coverage
+/.nyc_output
+
+# IDEs and editors
+/.idea
+.project
+.classpath
+.c9/
+*.launch
+.settings/
+*.sublime-workspace
+
+# IDE - VSCode
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+
+/data
+/output
+/config.yaml
+
+.git*
+Dockerfile
+.dockerignore
+/eng.traineddata

.eslintrc.js

+module.exports = {
+  parser: '@typescript-eslint/parser',
+  parserOptions: {
+    project: 'tsconfig.json',
+    tsconfigRootDir : __dirname, 
+    sourceType: 'module',
+  },
+  plugins: ['@typescript-eslint/eslint-plugin'],
+  extends: [
+    'plugin:@typescript-eslint/recommended',
+    'plugin:prettier/recommended',
+  ],
+  root: true,
+  env: {
+    node: true,
+    jest: true,
+  },
+  ignorePatterns: ['.eslintrc.js'],
+  rules: {
+    '@typescript-eslint/interface-name-prefix': 'off',
+    '@typescript-eslint/explicit-function-return-type': 'off',
+    '@typescript-eslint/explicit-module-boundary-types': 'off',
+    '@typescript-eslint/no-explicit-any': 'off',
+  },
+};

.gitignore

+# compiled output
+/dist
+/node_modules
+
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+
+# OS
+.DS_Store
+
+# Tests
+/coverage
+/.nyc_output
+
+# IDEs and editors
+/.idea
+.project
+.classpath
+.c9/
+*.launch
+.settings/
+*.sublime-workspace
+
+# IDE - VSCode
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+
+/data
+/output
+/config.yaml
+/eng.traineddata

.gitlab-ci.yml

+stages:
+  - build
+  - combine
+  - deploy
+variables:
+  GIT_DEPTH: "1"
+  CONTAINER_TEST_IMAGE: $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG
+  CONTAINER_TEST_ARM_IMAGE: $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG-arm
+  CONTAINER_TEST_X86_IMAGE: $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG-x86
+  CONTAINER_RELEASE_IMAGE: $CI_REGISTRY_IMAGE:latest
+before_script:
+  - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
+build-x86:
+  stage: build
+  tags:
+    - docker
+  script:
+    - TARGET_IMAGE=$CONTAINER_TEST_X86_IMAGE
+    - docker build --pull -t $TARGET_IMAGE .
+    - docker push $TARGET_IMAGE
+build-arm:
+  stage: build
+  tags:
+    - docker-arm
+  script:
+    - TARGET_IMAGE=$CONTAINER_TEST_ARM_IMAGE
+    - docker build --pull -t $TARGET_IMAGE .
+    - docker push $TARGET_IMAGE
+combine:
+  stage: combine
+  tags:
+    - docker
+  script:
+    - TARGET_IMAGE=$CONTAINER_TEST_IMAGE
+    - SOURCE_IMAGE_2=$CONTAINER_TEST_ARM_IMAGE
+    - SOURCE_IMAGE_1=$CONTAINER_TEST_X86_IMAGE
+    - docker pull $SOURCE_IMAGE_1
+    - docker pull $SOURCE_IMAGE_2
+    - docker manifest create $TARGET_IMAGE --amend $SOURCE_IMAGE_1 --amend
+      $SOURCE_IMAGE_2
+    - docker manifest push $TARGET_IMAGE
+deploy_latest:
+  stage: deploy
+  tags:
+    - docker
+  script:
+    - TARGET_IMAGE=$CONTAINER_RELEASE_IMAGE
+    - SOURCE_IMAGE=$CONTAINER_TEST_IMAGE
+    - docker pull $SOURCE_IMAGE
+    - docker tag $SOURCE_IMAGE $TARGET_IMAGE
+    - docker push $TARGET_IMAGE
+  only:
+    - master
+deploy_tag:
+  stage: deploy
+  tags:
+    - docker
+  script:
+    - TARGET_IMAGE=$CI_REGISTRY_IMAGE:$CI_COMMIT_TAG
+    - SOURCE_IMAGE=$CONTAINER_TEST_IMAGE
+    - docker pull $SOURCE_IMAGE
+    - docker tag $SOURCE_IMAGE $TARGET_IMAGE
+    - docker push $TARGET_IMAGE
+  only:
+    - tags

.npmignore

+/install-npm.sh
+.git*
+/data
+/output
+/config.yaml
+.idea
+.dockerignore
+Dockerfile
+/src
+/eng.traineddata

.prettierrc

+{
+  "singleQuote": true,
+  "trailingComma": "all"
+}
\ No newline at end of file

Dockerfile

+FROM node:lts-bullseye-slim as base
+LABEL Author="Nanahira <nanahira@momobako.com>"
+
+RUN apt update && apt -y install python3 build-essential tesseract-ocr && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* /var/log/*
+WORKDIR /usr/src/app
+COPY ./package*.json ./
+
+FROM base as builder
+RUN npm ci && npm cache clean --force
+COPY . ./
+RUN npm run build
+
+FROM base
+ENV NODE_ENV production
+RUN npm ci && npm cache clean --force
+COPY --from=builder /usr/src/app/dist ./dist
+COPY ./config.example.yaml ./config.yaml
+COPY ./lang-data ./
+
+EXPOSE 3000
+CMD [ "npm", "run", "start:prod" ]

README.md

+# Wenyuanwall Fetch
+
+Data fetcher for https://twitter.com/Hamimelon7/

config.example.yaml

+host: '::'
+port: 3000
+hamiUsername: 'Hamimelon7'
+hamiBlacklistSearch: '＃蔷蔷挂人板'
+twintUrl: 'http://twint'
+twintToken: 'twintToken'

install-npm.sh

+#!/bin/bash
+npm install --save \
+	class-validator \
+	class-transformer \
+	@nestjs/swagger \
+	@nestjs/config \
+	yaml
+
+npm install --save-dev \
+	@types/express

nest-cli.json

+{
+  "collection": "@nestjs/schematics",
+  "sourceRoot": "src",
+  "compilerOptions": {
+    "plugins": ["@nestjs/swagger"]
+  }
+}

package.json

+{
+  "name": "wenyuanwall-fetch",
+  "version": "0.0.1",
+  "description": "",
+  "author": "",
+  "private": true,
+  "license": "UNLICENSED",
+  "scripts": {
+    "prebuild": "rimraf dist",
+    "build": "nest build",
+    "format": "prettier --write \"src/**/*.ts\" \"test/**/*.ts\"",
+    "start": "nest start",
+    "start:dev": "nest start --watch",
+    "start:debug": "nest start --debug --watch",
+    "start:prod": "node dist/main",
+    "lint": "eslint \"{src,apps,libs,test}/**/*.ts\" --fix",
+    "test": "jest",
+    "test:watch": "jest --watch",
+    "test:cov": "jest --coverage",
+    "test:debug": "node --inspect-brk -r tsconfig-paths/register -r ts-node/register node_modules/.bin/jest --runInBand",
+    "test:e2e": "jest --config ./test/jest-e2e.json"
+  },
+  "dependencies": {
+    "@nestjs/axios": "^0.1.0",
+    "@nestjs/common": "^9.0.0",
+    "@nestjs/config": "^2.2.0",
+    "@nestjs/core": "^9.0.0",
+    "@nestjs/platform-express": "^9.0.0",
+    "@nestjs/swagger": "^6.0.3",
+    "class-transformer": "^0.5.1",
+    "class-validator": "^0.13.2",
+    "lodash": "^4.17.21",
+    "node-tesseract-ocr": "^2.2.1",
+    "p-queue": "6.6.2",
+    "reflect-metadata": "^0.1.13",
+    "rimraf": "^3.0.2",
+    "rxjs": "^7.2.0",
+    "yaml": "^2.1.1"
+  },
+  "devDependencies": {
+    "@nestjs/cli": "^9.0.0",
+    "@nestjs/schematics": "^9.0.0",
+    "@nestjs/testing": "^9.0.0",
+    "@types/express": "^4.17.13",
+    "@types/jest": "28.1.4",
+    "@types/lodash": "^4.14.182",
+    "@types/node": "^16.0.0",
+    "@types/supertest": "^2.0.11",
+    "@typescript-eslint/eslint-plugin": "^5.0.0",
+    "@typescript-eslint/parser": "^5.0.0",
+    "axios": "^0.27.2",
+    "eslint": "^8.0.1",
+    "eslint-config-prettier": "^8.3.0",
+    "eslint-plugin-prettier": "^4.0.0",
+    "jest": "28.1.2",
+    "prettier": "^2.3.2",
+    "source-map-support": "^0.5.20",
+    "supertest": "^6.1.3",
+    "ts-jest": "28.0.5",
+    "ts-loader": "^9.2.3",
+    "ts-node": "^10.0.0",
+    "tsconfig-paths": "4.0.0",
+    "typescript": "^4.3.5"
+  },
+  "jest": {
+    "moduleFileExtensions": [
+      "js",
+      "json",
+      "ts"
+    ],
+    "rootDir": "src",
+    "testRegex": ".*\\.spec\\.ts$",
+    "transform": {
+      "^.+\\.(t|j)s$": "ts-jest"
+    },
+    "collectCoverageFrom": [
+      "**/*.(t|j)s"
+    ],
+    "coverageDirectory": "../coverage",
+    "testEnvironment": "node"
+  }
+}

src/app.module.ts

+import { Module } from '@nestjs/common';
+import { ConfigModule, ConfigService } from '@nestjs/config';
+import { loadConfig } from './utility/config';
+import { HttpModule } from '@nestjs/axios';
+import { HamiFetcherService } from './hami-fetcher/hami-fetcher.service';
+import { OcrService } from './ocr/ocr.service';
+import { BlacklistService } from './blacklist/blacklist.service';
+import { BlacklistController } from './blacklist/blacklist.controller';
+
+@Module({
+  imports: [
+    ConfigModule.forRoot({
+      load: [loadConfig],
+      isGlobal: true,
+    }),
+    HttpModule.registerAsync({
+      imports: [ConfigModule],
+      inject: [ConfigService],
+      useFactory: async (configService: ConfigService) =>
+        configService.get('http'),
+    }),
+  ],
+  providers: [HamiFetcherService, OcrService, BlacklistService],
+  controllers: [BlacklistController],
+})
+export class AppModule {}

src/blacklist/blacklist.controller.spec.ts

+import { Test, TestingModule } from '@nestjs/testing';
+import { BlacklistController } from './blacklist.controller';
+
+describe('BlacklistController', () => {
+  let controller: BlacklistController;
+
+  beforeEach(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      controllers: [BlacklistController],
+    }).compile();
+
+    controller = module.get<BlacklistController>(BlacklistController);
+  });
+
+  it('should be defined', () => {
+    expect(controller).toBeDefined();
+  });
+});

src/blacklist/blacklist.controller.ts

+import { Controller, Get, Query } from '@nestjs/common';
+import { BlacklistService } from './blacklist.service';
+import { ApiOkResponse, ApiOperation, ApiQuery } from '@nestjs/swagger';
+import { ReturnMessageDto } from '../dto/ReturnMessage.dto';
+import { HamiResult } from '../dto/hami.dto';
+
+const HamiResultDto = ReturnMessageDto([HamiResult]);
+
+@Controller('blacklist')
+export class BlacklistController {
+  constructor(private blacklist: BlacklistService) {}
+
+  @Get()
+  @ApiOperation({ summary: '获取黑名单' })
+  @ApiQuery({ name: 'since', description: '获取黑名单的起始时间' })
+  @ApiOkResponse({ type: HamiResultDto })
+  async getBlacklist(@Query('since') since: string) {
+    const data = await this.blacklist.fetchBlacklist(since);
+    return new HamiResultDto(200, 'success', data);
+  }
+}

src/blacklist/blacklist.service.spec.ts

+import { Test, TestingModule } from '@nestjs/testing';
+import { BlacklistService } from './blacklist.service';
+
+describe('BlacklistService', () => {
+  let service: BlacklistService;
+
+  beforeEach(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      providers: [BlacklistService],
+    }).compile();
+
+    service = module.get<BlacklistService>(BlacklistService);
+  });
+
+  it('should be defined', () => {
+    expect(service).toBeDefined();
+  });
+});

src/blacklist/blacklist.service.ts

+import { ConsoleLogger, Injectable } from '@nestjs/common';
+import { HamiFetcherService } from '../hami-fetcher/hami-fetcher.service';
+import { OcrService } from '../ocr/ocr.service';
+import { HamiData, HamiResult, TwintData } from '../dto/hami.dto';
+import _ from 'lodash';
+
+@Injectable()
+export class BlacklistService extends ConsoleLogger {
+  constructor(private fetcher: HamiFetcherService, private ocr: OcrService) {
+    super('BlacklistService');
+  }
+  async fetchBlacklist(since: string) {
+    const twintData = await this.fetcher.fetchBlacklist(since);
+    this.log(`Fetched ${twintData.length} tweets of blacklist.`);
+    const checkedData = await Promise.all(
+      twintData.map((data) => this.checkTweet(data)),
+    );
+    const result = checkedData
+      .filter((data) => data.accounts?.length)
+      .map((data) => HamiResult.fromData(data));
+    this.log(`Found ${result.length} valid tweets.`);
+    return result;
+  }
+
+  async checkTweet(data: TwintData): Promise<HamiData> {
+    const urls = data.photos || [];
+    const accounts = (
+      await Promise.all(urls.map((url) => this.ocr.checkImage(url)))
+    ).flat();
+    if (accounts.length) {
+      this.log(`Found account ${accounts.join(', ')} in tweet ${data.link}`);
+    }
+    return {
+      ...data,
+      accounts: _.uniq(accounts),
+    };
+  }
+}

src/dto/ReturnMessage.dto.ts

+import { ApiProperty } from '@nestjs/swagger';
+import { HttpException } from '@nestjs/common';
+
+export interface BlankReturnMessage {
+  statusCode: number;
+  message: string;
+  success: boolean;
+}
+
+export interface ReturnMessage<T> extends BlankReturnMessage {
+  data?: T;
+}
+
+export class BlankReturnMessageDto implements BlankReturnMessage {
+  @ApiProperty({ description: '返回状态' })
+  statusCode: number;
+  @ApiProperty({ description: '返回信息' })
+  message: string;
+  @ApiProperty({ description: '是否成功' })
+  success: boolean;
+  constructor(statusCode: number, message?: string) {
+    this.statusCode = statusCode;
+    this.message = message || 'success';
+    this.success = statusCode < 400;
+  }
+
+  toException() {
+    return new HttpException(this, this.statusCode);
+  }
+}
+
+type AnyClass = new (...args: any[]) => any;
+type ClassOrArray = AnyClass | [AnyClass];
+type TypeFromClass<T> = T extends new (...args: any[]) => infer U ? U : never;
+export type ParseType<T extends ClassOrArray> = T extends [infer U]
+  ? TypeFromClass<U>[]
+  : TypeFromClass<T>;
+
+function getClass(o: ClassOrArray) {
+  return o instanceof Array ? o[0] : o;
+}
+
+export function ReturnMessageDto<T extends ClassOrArray>(type: T) {
+  const cl = class SpecificReturnMessage extends BlankReturnMessageDto {
+    data?: ParseType<T>;
+    constructor(statusCode: number, message?: string, data?: ParseType<T>) {
+      super(statusCode, message);
+      this.data = data;
+    }
+  };
+  ApiProperty({ description: '返回数据', type })(cl.prototype, 'data');
+  Object.defineProperty(cl, 'name', {
+    value: `${getClass(type).name}ReturnMessageDto`,
+  });
+  return cl;
+}

src/dto/hami.dto.ts

+export interface TwintReturn {
+  data: TwintData[];
+  message: string;
+  statusCode: number;
+  success: boolean;
+}
+
+export interface TwintData {
+  cashtags: string[];
+  conversation_id: string;
+  datestamp: string;
+  datetime: string;
+  geo: string;
+  hashtags: string[];
+  id: number;
+  id_str: string;
+  lang: string;
+  likes_count: number;
+  link: string;
+  mentions: string[];
+  name: string;
+  near: string;
+  photos: string[];
+  place: string;
+  quote_url: string;
+  replies_count: number;
+  reply_to: string[];
+  retweet: boolean;
+  retweet_date: string;
+  retweet_id: string;
+  retweets_count: number;
+  source: string;
+  thumbnail: string;
+  timestamp: string;
+  timezone: string;
+  trans_dest: string;
+  trans_src: string;
+  translate: string;
+  tweet: string;
+  urls: string[];
+  user_id: number;
+  user_id_str: string;
+  user_rt: string;
+  user_rt_id: string;
+  username: string;
+  video: number;
+}
+
+export interface HamiData extends TwintData {
+  accounts: string[];
+}
+
+export class HamiResult implements HamiData {
+  static fromData(data: HamiData): HamiResult {
+    const result = new HamiResult();
+    Object.assign(result, data);
+    return result;
+  }
+
+  cashtags: string[];
+  conversation_id: string;
+  datestamp: string;
+  datetime: string;
+  geo: string;
+  hashtags: string[];
+  id: number;
+  id_str: string;
+  lang: string;
+  likes_count: number;
+  link: string;
+  mentions: string[];
+  name: string;
+  near: string;
+  photos: string[];
+  place: string;
+  quote_url: string;
+  replies_count: number;
+  reply_to: string[];
+  retweet: boolean;
+  retweet_date: string;
+  retweet_id: string;
+  retweets_count: number;
+  source: string;
+  thumbnail: string;
+  timestamp: string;
+  timezone: string;
+  trans_dest: string;
+  trans_src: string;
+  translate: string;
+  tweet: string;
+  urls: string[];
+  user_id: number;
+  user_id_str: string;
+  user_rt: string;
+  user_rt_id: string;
+  username: string;
+  video: number;
+  accounts: string[];
+}

src/hami-fetcher/hami-fetcher.service.spec.ts

+import { Test, TestingModule } from '@nestjs/testing';
+import { HamiFetcherService } from './hami-fetcher.service';
+
+describe('HamiFetcherService', () => {
+  let service: HamiFetcherService;
+
+  beforeEach(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      providers: [HamiFetcherService],
+    }).compile();
+
+    service = module.get<HamiFetcherService>(HamiFetcherService);
+  });
+
+  it('should be defined', () => {
+    expect(service).toBeDefined();
+  });
+});

src/hami-fetcher/hami-fetcher.service.ts

+import { ConsoleLogger, Injectable } from '@nestjs/common';
+import { HttpService } from '@nestjs/axios';
+import { TwintData, TwintReturn } from '../dto/hami.dto';
+import { ConfigService } from '@nestjs/config';
+import { lastValueFrom } from 'rxjs';
+import { AxiosRequestConfig } from 'axios';
+
+@Injectable()
+export class HamiFetcherService extends ConsoleLogger {
+  private readonly twintUrl: string = this.config.get('twintUrl');
+  private readonly twintToken: string = this.config.get('twintToken');
+  private readonly hamiUsername: string = this.config.get('hamiUsername');
+  private readonly hamiBlacklistSearch: string = this.config.get(
+    'hamiBlacklistSearch',
+  );
+  constructor(private http: HttpService, private config: ConfigService) {
+    super('HamiFetcherService');
+  }
+
+  axiosConfig(): AxiosRequestConfig {
+    return {
+      headers: {
+        Authorization: `Bearer ${this.twintToken}`,
+      },
+      timeout: 600000,
+      responseType: 'json',
+    };
+  }
+
+  async fetchBlacklist(Since?: string): Promise<TwintData[]> {
+    try {
+      const { data } = await lastValueFrom(
+        this.http.post<TwintReturn>(
+          `${this.twintUrl}/Search`,
+          {
+            Username: 'Hamimelon7',
+            Search: '＃蔷蔷挂人板',
+            Since,
+          },
+          this.axiosConfig(),
+        ),
+      );
+      return data.data;
+    } catch (e) {
+      this.error(`Failed to fetch blacklist since ${Since}: ${e.message}`);
+      return [];
+    }
+  }
+}

src/main.ts

+import { NestFactory } from '@nestjs/core';
+import { SwaggerModule, DocumentBuilder } from '@nestjs/swagger';
+import { NestExpressApplication } from '@nestjs/platform-express';
+import { AppModule } from './app.module';
+import { ConfigService } from '@nestjs/config';
+
+async function bootstrap() {
+  const app = await NestFactory.create<NestExpressApplication>(AppModule);
+  app.enableCors();
+  app.set('trust proxy', ['172.16.0.0/12', 'loopback']);
+  app.setGlobalPrefix('api');
+
+  const documentConfig = new DocumentBuilder()
+    .setTitle('wenyuanwall-fetch')
+    .setDescription('文援墙挂人采集器。')
+    .setVersion('1.0')
+    .build();
+
+  const document = SwaggerModule.createDocument(app, documentConfig);
+  SwaggerModule.setup('docs', app, document);
+
+  const config = app.get(ConfigService);
+  await app.listen(
+    config.get<number>('port') || 3000,
+    config.get<string>('host') || '::',
+  );
+}
+bootstrap();

src/ocr/ocr.service.spec.ts

+import { Test, TestingModule } from '@nestjs/testing';
+import { OcrService } from './ocr.service';
+
+describe('OcrService', () => {
+  let service: OcrService;
+
+  beforeEach(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      providers: [OcrService],
+    }).compile();
+
+    service = module.get<OcrService>(OcrService);
+  });
+
+  it('should be defined', () => {
+    expect(service).toBeDefined();
+  });
+});

src/ocr/ocr.service.ts

+import { ConsoleLogger, Injectable } from '@nestjs/common';
+import { HttpService } from '@nestjs/axios';
+import { lastValueFrom } from 'rxjs';
+import { recognize } from 'node-tesseract-ocr';
+import PQueue from 'p-queue';
+import * as os from 'os';
+
+@Injectable()
+export class OcrService extends ConsoleLogger {
+  constructor(private http: HttpService) {
+    super('OcrService');
+  }
+
+  private queue = new PQueue({ concurrency: os.cpus().length });
+
+  private async checkImageProcess(url: string): Promise<string[]> {
+    try {
+      const { data } = await lastValueFrom(
+        this.http.get<Buffer>(url, {
+          responseType: 'arraybuffer',
+          timeout: 30000,
+        }),
+      );
+      const text = await recognize(data);
+      if (!text) {
+        return [];
+      }
+      const exactMatches = text.match(/QQ: \d{5,10}/g);
+      if (exactMatches) {
+        return exactMatches.map((info) => info.slice(3));
+      }
+      return text.match(/\d{8,10}/g) || [];
+    } catch (e) {
+      this.error(`Failed to check url ${url}: ${e.message}`);
+    }
+  }
+
+  checkImage(url: string) {
+    return this.queue.add(() => this.checkImageProcess(url));
+  }
+}

src/utility/config.ts

+import yaml from 'yaml';
+import * as fs from 'fs';
+import { HttpModuleOptions } from '@nestjs/axios';
+
+export interface Config {
+  host: string;
+  port: number;
+  http?: HttpModuleOptions;
+  hamiUsername: string;
+  hamiBlacklistSearch: string;
+  twintUrl: string;
+  twintToken: string;
+}
+
+const defaultConfig: Config = {
+  host: '::',
+  port: 3000,
+  http: {},
+  hamiUsername: 'Hamimelon7',
+  hamiBlacklistSearch: '＃蔷蔷挂人板',
+  twintUrl: 'http://twint',
+  twintToken: 'twintToken',
+};
+
+export async function loadConfig(): Promise<Config> {
+  let readConfig: Partial<Config> = {};
+  try {
+    const configText = await fs.promises.readFile('./config.yaml', 'utf-8');
+    readConfig = yaml.parse(configText);
+  } catch (e) {
+    console.error(`Failed to read config: ${e.toString()}`);
+  }
+  return {
+    ...defaultConfig,
+    ...readConfig,
+  };
+}

test/app.e2e-spec.ts

+import { Test, TestingModule } from '@nestjs/testing';
+import { INestApplication } from '@nestjs/common';
+import * as request from 'supertest';
+import { AppModule } from './../src/app.module';
+
+describe('AppController (e2e)', () => {
+  let app: INestApplication;
+
+  beforeEach(async () => {
+    const moduleFixture: TestingModule = await Test.createTestingModule({
+      imports: [AppModule],
+    }).compile();
+
+    app = moduleFixture.createNestApplication();
+    await app.init();
+  });
+
+  /* it('/ (GET)', () => {
+    return request(app.getHttpServer())
+      .get('/')
+      .expect(200)
+      .expect('Hello World!');
+  }); */
+});

test/jest-e2e.json

+{
+  "moduleFileExtensions": ["js", "json", "ts"],
+  "rootDir": ".",
+  "testEnvironment": "node",
+  "testRegex": ".e2e-spec.ts$",
+  "transform": {
+    "^.+\\.(t|j)s$": "ts-jest"
+  }
+}

tsconfig.build.json

+{
+  "extends": "./tsconfig.json",
+  "exclude": ["node_modules", "test", "dist", "**/*spec.ts"]
+}

tsconfig.json

+{
+  "compilerOptions": {
+    "module": "commonjs",
+    "declaration": true,
+    "removeComments": true,
+    "emitDecoratorMetadata": true,
+    "experimentalDecorators": true,
+    "allowSyntheticDefaultImports": true,
+    "target": "es2021",
+    "sourceMap": true,
+    "outDir": "./dist",
+    "baseUrl": "./",
+    "incremental": true,
+    "esModuleInterop": true
+  },
+  "compileOnSave": true,
+  "allowJs": true
+}