Initialize Jest configuration

Install Jest testing framework

Run Jest tests

jest/config

Configure Jest settings

jest

config

settings

module.exports = { testEnvironment: "node" }

Jest configuration allows you to customize test environment, setup files, and other options.

Node environment

module.exports = { testEnvironment: "node" }

Setup files

module.exports = { setupFilesAfterEnv: ["<rootDir>/jest.setup.js"] }

Coverage collection

module.exports = { collectCoverageFrom: ["src/**/*.js"] }

Configure GitHub CLI

Run tests in watch mode

Generate test coverage report