To Begin A fresh React + Typescript application

npm init npm i --save react react-dom npm i -D typescript npm i -D @types/react @types/react-dom @types/node npm i -D webpack webpack-cli npm i -D ts-loader

Set up Webpack - webpack.config.js

Set up Typescript Compiler new file - tsconfig.json

create src folder create entry file - index.tsx

add build script to package.json and run it creating a watched index.js in the build folder

create index.html file with index.js script tag

create app.tsx and import into index.tsx