Init

apps/api-e2e/.spec.swcrc

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+{
+  "jsc": {
+    "target": "es2017",
+    "parser": {
+      "syntax": "typescript",
+      "decorators": true,
+      "dynamicImport": true
+    },
+    "transform": {
+      "decoratorMetadata": true,
+      "legacyDecorator": true
+    },
+    "keepClassNames": true,
+    "externalHelpers": true,
+    "loose": true
+  },
+  "module": {
+    "type": "es6"
+  },
+  "sourceMaps": true,
+  "exclude": []
+}

apps/api-e2e/eslint.config.mjs

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+import baseConfig from '../../eslint.config.mjs';
+
+export default [...baseConfig];

apps/api-e2e/jest.config.cts

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+/* eslint-disable */
+import { readFileSync } from 'fs';
+
+// Reading the SWC compilation config for the spec files
+const swcJestConfig = JSON.parse(
+  readFileSync(`${__dirname}/.spec.swcrc`, 'utf-8'),
+);
+
+// Disable .swcrc look-up by SWC core because we're passing in swcJestConfig ourselves
+swcJestConfig.swcrc = false;
+
+export default {
+  displayName: '@my-monorepo/api-e2e',
+  preset: '../../jest.preset.js',
+  globalSetup: '<rootDir>/src/support/global-setup.ts',
+  globalTeardown: '<rootDir>/src/support/global-teardown.ts',
+  setupFiles: ['<rootDir>/src/support/test-setup.ts'],
+  testEnvironment: 'node',
+  transform: {
+    '^.+\\.[tj]s$': ['@swc/jest', swcJestConfig],
+  },
+  moduleFileExtensions: ['ts', 'js', 'html'],
+  coverageDirectory: 'test-output/jest/coverage',
+};

apps/api-e2e/package.json

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+{
+  "name": "@my-monorepo/api-e2e",
+  "version": "0.0.1",
+  "private": true,
+  "nx": {
+    "implicitDependencies": [
+      "@my-monorepo/api"
+    ],
+    "targets": {
+      "e2e": {
+        "executor": "@nx/jest:jest",
+        "outputs": [
+          "{projectRoot}/test-output/jest/coverage"
+        ],
+        "options": {
+          "jestConfig": "apps/api-e2e/jest.config.cts",
+          "passWithNoTests": true
+        },
+        "dependsOn": [
+          "@my-monorepo/api:build",
+          "@my-monorepo/api:serve"
+        ]
+      }
+    }
+  }
+}

apps/api-e2e/src/api/api.spec.ts

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+import axios from 'axios';
+
+describe('GET /api', () => {
+  it('should return a message', async () => {
+    const res = await axios.get(`/api`);
+
+    expect(res.status).toBe(200);
+    expect(res.data).toEqual({ message: 'Hello API' });
+  });
+});

apps/api-e2e/src/support/global-setup.ts

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+import { waitForPortOpen } from '@nx/node/utils';
+
+/* eslint-disable */
+var __TEARDOWN_MESSAGE__: string;
+
+module.exports = async function () {
+  // Start services that that the app needs to run (e.g. database, docker-compose, etc.).
+  console.log('\nSetting up...\n');
+
+  const host = process.env.HOST ?? 'localhost';
+  const port = process.env.PORT ? Number(process.env.PORT) : 3000;
+  await waitForPortOpen(port, { host });
+
+  // Hint: Use `globalThis` to pass variables to global teardown.
+  globalThis.__TEARDOWN_MESSAGE__ = '\nTearing down...\n';
+};

apps/api-e2e/src/support/global-teardown.ts

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+import { killPort } from '@nx/node/utils';
+/* eslint-disable */
+
+module.exports = async function () {
+  // Put clean up logic here (e.g. stopping services, docker-compose, etc.).
+  // Hint: `globalThis` is shared between setup and teardown.
+  const port = process.env.PORT ? Number(process.env.PORT) : 3000;
+  await killPort(port);
+  console.log(globalThis.__TEARDOWN_MESSAGE__);
+};

apps/api-e2e/src/support/test-setup.ts

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+/* eslint-disable */
+import axios from 'axios';
+
+module.exports = async function () {
+  // Configure axios for tests to use.
+  const host = process.env.HOST ?? 'localhost';
+  const port = process.env.PORT ?? '3000';
+  axios.defaults.baseURL = `http://${host}:${port}`;
+};

apps/api-e2e/tsconfig.json

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+{
+  "extends": "../../tsconfig.base.json",
+  "compilerOptions": {
+    "outDir": "out-tsc/@my-monorepo/api-e2e",
+    "esModuleInterop": true,
+    "noUnusedLocals": false,
+    "noImplicitAny": false
+  },
+  "include": ["jest.config.ts", "src/**/*.ts"],
+  "references": []
+}