Sure, here are the commands with single-line explanations:

1. yarn init

   • Initializes a new Yarn project, creating a package.json file.

2. yarn add react react-dom --peer

   • Adds react and react-dom as peer dependencies, expecting them to be provided by the consuming project.

3. yarn add react react-dom esbuild -D

   • Adds react, react-dom, and esbuild as development dependencies for the project.

4. npx sb init

   • Add Storybook in react project , select webpack 5

5. create useScroller.stories.js story in src/stories

6. yarn storybook to run the example

7. Setting up esbuild

• install esbuild as dev dependencies yarn add esbuild --dev
• add scripts for build

8. Building multiple js Modules - read JSmodules.md