npm init
npm install react react-dom
npm install @babel/plugin-transform-runtime
npm install @babel/runtime
npm install --save-dev @babel/preset-env @babel/preset-react
npm install --save-dev jest
npm install --save-dev jest-environment-jsdom
{
"presets": [
"@babel/env",
"@babel/react"
],
"plugins": [
"@babel/transform-runtime"
]
}
module.exports = {
"testEnvironment": "jsdom"
}
Have fun!