feat(esm): moving backend-benchmarking to esm

packages/backend-benchmarking/jest.config.ts

@@ -0,0 +1,23 @@
+import type { Config } from 'jest';
+
+const config: Config = {
+  preset: 'ts-jest/presets/default-esm', // or other ESM presets
+  testEnvironment: 'node',
+  testMatch: ['**/?(*.)+(jest|spec).[jt]s?(x)'],
+  testPathIgnorePatterns: ['/dist/'],
+  moduleNameMapper: {
+    "^(\\.{1,2}/.*)\\.js$": "$1"
+  },
+  transform: {
+    ['^.+.tsx?$']: [
+      'ts-jest',
+      {
+        tsconfig: '<rootDir>/tsconfig.json',
+        isolatedModules: true,
+        useESM: true,
+      },
+    ],
+  }
+};
+
+export default config;

packages/backend-benchmarking/package.json

@@ -13,6 +13,17 @@
   },
   "license": "ISC",
   "author": "",
+  "type": "module",
+  "exports": {
+    "import": {
+      "types": "./dist/index.d.ts",
+      "import": "./dist/index.js"
+    },
+    "require": {
+      "types": "./dist/index.d.cts",
+      "require": "./dist/index.cjs"
+    }
+  },
   "main": "dist/index.js",
   "module": "dist/index.mjs",
   "types": "dist/index.d.ts",
@@ -32,6 +43,7 @@
     "@pocket-tools/eslint-config": "workspace:*",
     "@types/jest": "29.5.14",
     "@types/node": "^22.8.2",
+    "@types/chance": "1.1.6",
     "jest": "29.7.0",
     "ts-jest": "29.2.5",
     "ts-node": "10.9.2",

packages/backend-benchmarking/src/index.ts

@@ -1,5 +1,5 @@
 // this is the entry point for the npm package
 // anything we want consumable (module, type, class, etc) should be exported here
 
-export * from './timeIt';
-export * as seeds from './seeds';
+export * from './timeIt.ts';
+export * as seeds from './seeds/index.ts';

packages/backend-benchmarking/src/seeds/index.ts

@@ -1 +1 @@
-export * from './list';
+export * from './list.ts';

packages/backend-benchmarking/src/seeds/list.spec.ts

@@ -1,4 +1,4 @@
-import { mockList } from './list';
+import { mockList } from './list.ts';
 
 describe('mockList', () => {
   it('should produce data when total count is divisible by batch size', () => {