hipstersmoothie/react-docgen-typescript-plugin#28

steps to reproduce

• yarn install
• yarn start
• open http://localhost:8080/ in browser
• edit source code in src/my-button.tsx
• see changes in page

steps to debug

• open node_modules/react-docgen-typescript-plugin/dist/plugin.js
• delete line 124 //# sourceMappingURL=plugin.js.map
• add a debugger statement in processModule
• open chrome://inspect/ in chrome, and Open dedicated DevTools for Node
• yarn debug