From f6ab9025d0f23db84b92d08e173022e267a866cb Mon Sep 17 00:00:00 2001
From: Carlos Alexandro Becker <caarlos0@users.noreply.github.com>
Date: Thu, 29 Jan 2026 21:54:03 -0300
Subject: [PATCH] test: use esm in jest

Signed-off-by: Carlos Alexandro Becker <caarlos0@users.noreply.github.com>
---
 jest.config.ts | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/jest.config.ts b/jest.config.ts
index 0054977..86b554f 100644
--- a/jest.config.ts
+++ b/jest.config.ts
@@ -1,11 +1,24 @@
-module.exports = {
+import type {Config} from 'jest';
+
+const config: Config = {
   clearMocks: true,
   moduleFileExtensions: ['js', 'ts'],
   setupFiles: ['dotenv/config', '<rootDir>/src/test_setup.ts'],
   testMatch: ['**/*.test.ts'],
   testTimeout: 30000,
   transform: {
-    '^.+\\.ts$': 'ts-jest'
+    '^.+\\.ts$': [
+      'ts-jest',
+      {
+        useESM: true
+      }
+    ]
+  },
+  extensionsToTreatAsEsm: ['.ts'],
+  moduleNameMapper: {
+    '^(\\.{1,2}/.*)\\.js$': '$1'
   },
   verbose: true
 };
+
+export default config;