chore: configure jest

Author: svedova

README.md

@@ -16,6 +16,8 @@
 
 ✔️  **Typescript:** Built-in TypeScript support
 
+✔️  **Jest:** Built-in Jest support
+
 ## Getting started
 
 This is a starter template for building applications with Vite and React. Click `use this template` and start working right away.
@@ -60,6 +62,24 @@ The API is comptabile with [Stormkit](https://www.stormkit.io). [Check the docs]
 If you need to host the API elsewhere, you'll need to change the [vite.config.api.ts](./vite.config.api.ts) file and create a bundle from it. You may
 also need to write an entry point that calls the appropriate function based on the route.
 
+## Test
+
+Jest is already preconfigured to work with this repository. Simply run:
+
+```bash
+$ npm run test
+$ yarn test
+$ pnpm run test
+```
+
+to execute all tests. You can add the `--watch` flag to keep listening to changes while testing:
+
+```bash
+$ npm run test -- --watch
+$ yarn test --watch
+$ pnpm run test --watch
+```
+
 ## Community
 
 Here's a curated list of websites using this framework. Please feel free to add your own:

babel.config.cjs

@@ -0,0 +1 @@
+module.exports = { presets: ["@babel/preset-env"] };

jest.config.cjs

@@ -0,0 +1,7 @@
+module.exports = {
+  preset: "ts-jest",
+  transform: {
+    "^.+\\.(ts|tsx)?$": "ts-jest",
+    "^.+\\.(js|jsx)$": "babel-jest",
+  },
+};