feat(node): Swap to tsx (#37171)

plugin-server/jest.config.js

@@ -1,11 +1,16 @@
 module.exports = {
     transform: {
-        '^.+\\.(t|j)s$': ['@swc/jest'],
+        '^.+\\.(t|j)s$': [
+            'ts-jest',
+            {
+                tsconfig: './tsconfig.json',
+            },
+        ],
     },
     testEnvironment: 'node',
     clearMocks: true,
     coverageProvider: 'v8',
-    setupFilesAfterEnv: ['./jest.setup.js'],
+    setupFilesAfterEnv: ['./jest.setup.ts'],
     testMatch: ['<rootDir>/tests/**/*.test.ts', '<rootDir>/src/**/*.test.ts'],
     testTimeout: 60000,
     modulePathIgnorePatterns: ['<rootDir>/.tmp/'],

plugin-server/jest.setup.ts

@@ -32,7 +32,7 @@ beforeEach(() => {
     jest.mocked(logger.debug).mockClear()
     jest.mocked(logger.error).mockClear()
 
-    const responsesToUrls = {
+    const responsesToUrls: Record<string, any> = {
         'https://google.com/results.json?query=fetched': { count: 2, query: 'bla', results: [true, true] },
         'https://mmdbcdn.posthog.net/': readFileSync(join(__dirname, 'tests', 'assets', 'GeoLite2-City-Test.mmdb.br')),
         'https://app.posthog.com/api/event?token=THIS+IS+NOT+A+TOKEN+FOR+TEAM+2': { hello: 'world' },
@@ -40,7 +40,7 @@ beforeEach(() => {
         'https://www.example.com': { example: 'data' },
     }
 
-    const headersToUrls = {
+    const headersToUrls: Record<string, Map<string, string>> = {
         'https://mmdbcdn.posthog.net/': new Map([
             ['content-type', 'vnd.maxmind.maxmind-db'],
             ['content-disposition', `attachment; filename="GeoLite2-City-${DateTime.local().toISODate()}.mmdb"`],
@@ -48,7 +48,7 @@ beforeEach(() => {
     }
 
     // Create a proper Response-like object factory
-    const createMockResponse = (url, options = {}) => {
+    const createMockResponse = (url: string, options: any = {}): any => {
         const responseBody = responsesToUrls[url] || { fetch: 'mock' }
         const responseHeaders = headersToUrls[url] || new Map()
         const responseText =
@@ -63,13 +63,13 @@ beforeEach(() => {
             statusText: 'OK',
             ok: true,
             headers: {
-                get: (name) => {
+                get: (name: string) => {
                     if (responseHeaders instanceof Map) {
                         return responseHeaders.get(name) || null
                     }
                     return null
                 },
-                forEach: (callback) => {
+                forEach: (callback: (value: string, key: string) => void) => {
                     if (responseHeaders instanceof Map) {
                         responseHeaders.forEach((value, key) => callback(value, key))
                     }
@@ -88,7 +88,7 @@ beforeEach(() => {
         }
     }
 
-    jest.mocked(fetch).mockImplementation((url, options = {}) => {
+    jest.mocked(fetch as any).mockImplementation((url: string, options: any = {}) => {
         return Promise.resolve(createMockResponse(url, options))
     })
 })

plugin-server/package.json

@@ -10,9 +10,9 @@
     "scripts": {
         "test": "SHARD_IDX=${SHARD_INDEX:-1}; SHARD_TOTAL=${SHARD_COUNT:-1}; echo $SHARD_IDX/$SHARD_TOTAL; jest --runInBand --forceExit --shard=$SHARD_IDX/$SHARD_TOTAL",
         "start": "pnpm start:dev",
-        "start:dist": "BASE_DIR=.. node dist/index.js",
-        "start:dev": "NODE_ENV=dev BASE_DIR=.. nodemon --exitcrash --watch src/ --exec node -r @swc-node/register src/index.ts",
-        "start:devNoWatch": "NODE_ENV=dev BASE_DIR=.. node -r @swc-node/register src/index.ts",
+        "start:dist": "node dist/index.js",
+        "start:dev": "NODE_ENV=dev tsx watch src/index.ts",
+        "start:devNoWatch": "NODE_ENV=dev tsx src/index.ts",
         "prestart:dev": "pnpm build:cyclotron",
         "prestart:devNoWatch": "pnpm build:cyclotron",
         "build": "pnpm clean && pnpm typescript:compile && pnpm typescript:compile-cleanup",
@@ -129,9 +129,8 @@
         "@babel/cli": "^7.22.5",
         "@babel/types": "^7.20.2",
         "@segment/actions-core": "^3.151.0",
-        "@swc-node/register": "^1.10.9",
-        "@swc/core": "^1.10.14",
-        "@swc/jest": "^0.2.37",
+        "tsx": "^4.7.0",
+        "ts-jest": "^29.1.0",
         "@types/adm-zip": "^0.4.34",
         "@types/babel__core": "^7.1.19",
         "@types/babel__standalone": "^7.1.4",
@@ -169,7 +168,6 @@
         "eslint-plugin-promise": "^6.1.1",
         "jest": "^30.0.0",
         "node-pg-migrate": "^8.0.3",
-        "nodemon": "^3.1.10",
         "pino-pretty": "^9.1.0",
         "prettier": "^3.6.2",
         "supertest": "^7.0.0",