This Chrome Extension was bootstrapped with Create React App.

1. yarn
2. yarn build
3. Go to chrome://extensions in Chrome
4. Ensure that the Developer mode checkbox in the top right-hand corner is checked
5. Click Load unpacked extension to pop up a file-selection dialog & select directory build in your repository.
6. Ensure that the enabled box next to your chrome extension is checked so you can see it in action

Doc Instruction - chrome extension docx

React App in Popup - master branch

React App in Content Script - react-content branch (to see App go to https://www.google.com/)

Vanila JS example for Popup in branch popup, content setting in content-settings and context menu in branch contextmenu