Wes Hackett - SPFx Context Explorer
The SharePoint Framework (SPFx) comes with a context object. This web part example displays the various properties from that object.
It is useful when you want to check what values can be between workbench/classic/SharePoint pages to help you build the correct logic into the web part.
- Developer Office 365 tenant
- Followed the instructions for getting started with SPFx here: https://github.com/SharePoint/sp-dev-docs/wiki/Setup-SharePoint-Tenant