Create a project based on this boilerplate.
$ npx degit https://github.com/sivertschou/react-typescript-chrome-extension-boilerplate.git#christmas <project-name>
Navigate to the project directory and install the dependencies.
$ npm install
To build the extension, and rebuild it when the files are changed, run
$ npm start
After the project has been built, a directory named dist
has been created. You have to add this directory to your Chrome browser:
chrome://extensions
.dist
directory.