This example shows how to bundle the auth0-lock npm package with browserify. It uses Babel to support the new ES2015 syntax, but it is not a requirement.
First, ensure you have node installed on your system. Then, run npm install to install the project's dependencies and npm run build to build the bundle. Finally, open index.html in your favorite browser.
Having multiple copies of React in your bundle can cause problems. Lock was built using React, and if your project, or any other dependency, also depends on React, you might en up with two different versions in your bundle. In such scenarios, you should see a warning when doing npm install. Also, you can check with npm ls react at any time.