Tramvai test unit jest

Jest preset for unit-testing

Installation

Install package:

``bash
npm i --save-dev @tramvai/test-unit-jest
`

Add new preset to your jest.config:

`js
module.exports = {
preset: '@tramvai/test-unit-jest',
};
`

Explanation

This presets implements next settings:

- default test runner jest-circuis
- default testEnvironment is node
- uses @swc-node/jest for transformation
- css files are mapped with identity-obj-proxy
- image files are mapped to empty string

How To

$3

Based on jest doc

Just add at the start of test file following comment:

`ts
/**
* @jest-environment your-environment
*/
``