From 676be833f9435efcde26aa6d9ae8476b3e09c479 Mon Sep 17 00:00:00 2001
From: Roger Qiu <roger.qiu@polyhack.io>
Date: Sat, 12 Aug 2023 22:51:33 +1000
Subject: [PATCH] test: make jest actually use ESM

---
 jest.config.mjs | 2 +-
 package.json    | 2 +-
 tests/setup.ts  | 3 +++
 3 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/jest.config.mjs b/jest.config.mjs
index 3c04baf..634dc53 100644
--- a/jest.config.mjs
+++ b/jest.config.mjs
@@ -75,7 +75,7 @@ const config = {
     'jest-extended/all',
     '<rootDir>/tests/setupAfterEnv.ts'
   ],
-  extensionsToTreatAsEsm: ['.ts'],
+  extensionsToTreatAsEsm: ['.ts', '.tsx', '.mts'],
 };
 
 export default config;
diff --git a/package.json b/package.json
index a5b9521..5982e44 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "build": "shx rm -rf ./dist && tsc -p ./tsconfig.build.json",
     "postversion": "npm install --package-lock-only --ignore-scripts --silent",
     "tsx": "tsx",
-    "test": "tsc -p ./tsconfig.build.json && jest",
+    "test": "tsc -p ./tsconfig.build.json && NODE_OPTIONS=--experimental-vm-modules jest",
     "lint": "eslint '{src,tests,scripts,benches}/**/*.{js,ts}'",
     "lintfix": "eslint '{src,tests,scripts,benches}/**/*.{js,ts}' --fix",
     "lint-shell": "find ./src ./tests ./scripts -type f -regextype posix-extended -regex '.*\\.(sh)' -exec shellcheck {} +",
diff --git a/tests/setup.ts b/tests/setup.ts
index e69de29..73bf649 100644
--- a/tests/setup.ts
+++ b/tests/setup.ts
@@ -0,0 +1,3 @@
+import { jest } from '@jest/globals';
+
+globalThis.jest = jest;