build: Test runner configuration per package

1 files changed, 9 insertions, 0 deletions

diff --git a/packages/preload/jest.config.js b/packages/preload/jest.config.js
new file mode 100644
index 0000000..3b5d436
--- /dev/null
+++ b/packages/preload/jest.config.js
@@ -0,0 +1,9 @@
+// @ts-check
+
+const rootConfig = require('../../jest.config.js');
+
+/** @type {import('ts-jest/dist/types').InitialOptionsTsJest} */
+module.exports = {
+  ...rootConfig,
+  testEnvironment: 'jsdom',
+};