6 files changed, 19 insertions, 43 deletions

diff --git a/packages/preload/esbuild.config.js b/packages/preload/esbuild.config.js
index 76ac33f..de51fc5 100644
--- a/packages/preload/esbuild.config.js
+++ b/packages/preload/esbuild.config.js
@@ -1,10 +1,8 @@
-// @ts-check
+import { chrome, fileURLToDirname } from '../../config/build-common.js';
+import { getConfig } from '../../config/esbuild-config.js';
 
-const { chrome } = require('../../config/build-common');
-const { getConfig } = require('../../config/esbuild-config');
-
-module.exports = getConfig({
-  absWorkingDir: __dirname,
+export default getConfig({
+  absWorkingDir: fileURLToDirname(import.meta.url),
   entryPoints: [
     'src/index.ts',
   ],
diff --git a/packages/preload/jest.config.js b/packages/preload/jest.config.js
index 5334b14..faecf9a 100644
--- a/packages/preload/jest.config.js
+++ b/packages/preload/jest.config.js
@@ -1,9 +1,7 @@
-// @ts-check
-
-const rootConfig = require('../../jest.config.js');
+import rootConfig from '../../jest.config.js';
 
 /** @type {import('ts-jest').InitialOptionsTsJest} */
-module.exports = {
+export default {
   ...rootConfig,
   testEnvironment: 'jsdom',
 };
diff --git a/packages/preload/package.json b/packages/preload/package.json
index ac21618..e6dd0ee 100644
--- a/packages/preload/package.json
+++ b/packages/preload/package.json
@@ -3,10 +3,10 @@
   "version": "0.1.0",
   "private": true,
   "sideEffects": false,
-  "main": "dist/index.cjs",
+  "type": "module",
   "types": "dist-types/index.d.ts",
   "scripts": {
-    "test": "jest",
+    "test": "node --experimental-vm-modules ../../node_modules/jest/bin/jest.js",
     "typecheck": "tsc"
   },
   "dependencies": {
diff --git a/packages/preload/src/__mocks__/electron.ts b/packages/preload/src/__mocks__/electron.ts
deleted file mode 100644
index 52cddf9..0000000
--- a/packages/preload/src/__mocks__/electron.ts
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * Copyright (C)  2021-2022 Kristóf Marussy <kristof@marussy.com>
- *
- * This file is part of Sophie.
- *
- * Sophie is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, version 3.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- *
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-
-export const ipcRenderer = {
-  invoke: jest.fn(),
-  on: jest.fn(),
-  send: jest.fn(),
-};
diff --git a/packages/preload/src/contextBridge/__tests__/SophieRendererImpl.spec.ts b/packages/preload/src/contextBridge/__tests__/SophieRendererImpl.spec.ts
index 71ac2a1..e40dcf5 100644
--- a/packages/preload/src/contextBridge/__tests__/SophieRendererImpl.spec.ts
+++ b/packages/preload/src/contextBridge/__tests__/SophieRendererImpl.spec.ts
@@ -18,8 +18,8 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
+import { describe, it, jest } from '@jest/globals';
 import { mocked } from 'jest-mock';
-import { ipcRenderer } from 'electron';
 import type { IJsonPatch } from 'mobx-state-tree';
 import {
   Action,
@@ -29,9 +29,17 @@ import {
   SophieRenderer,
 } from '@sophie/shared';
 
-import { createSophieRenderer } from '../SophieRendererImpl';
+jest.unstable_mockModule('electron', () => ({
+  ipcRenderer: {
+    invoke: jest.fn(),
+    on: jest.fn(),
+    send: jest.fn(),
+  },
+}));
 
-jest.mock('electron');
+const { ipcRenderer } = await import('electron');
+
+const { createSophieRenderer } = await import('../SophieRendererImpl');
 
 const event: Electron.IpcRendererEvent = null as unknown as Electron.IpcRendererEvent;
 
diff --git a/packages/preload/tsconfig.json b/packages/preload/tsconfig.json
index 741d435..0f27305 100644
--- a/packages/preload/tsconfig.json
+++ b/packages/preload/tsconfig.json
@@ -6,9 +6,6 @@
       "dom",
       "dom.iterable",
       "esnext"
-    ],
-    "types": [
-      "@types/jest"
     ]
   },
   "references": [