Rich text comments on your Next.js blog with Portable Text

Write "comments" as Sanity documents from a Next.js 15 application into the Content Lake. Using the Tailwind UI Radiant Blog template and writing "optimistic" updates with React 19. This video shows writing text comments first and then configuring the Portable Text Editor on the front end to write rich text and block content to the Content Lake in Sanity. Portable Text Editor: https://www.portabletext.org/ Tailwind UI Radiant Blog: https://tailwindui.com/templates/radiant useOptimistic: https://react.dev/reference/react/use... 00:00 What we'll build 00:29 Introducing the Portable Text Editor 02:22 The stack we're using 03:15 Creating plain-text comments 11:17 Setup the Portable Text Editor 17:37 Updating the Form Action 20:26 Rendering Portable Text 22:05 The final product