React UI

For any val that renders a UI, prefer to build it with React components in .tsx files, unless the user states otherwise. The templates/react-hono-starter template is set up for this — start there with remix_val instead of building from scratch.

File conventions

Put markup, styles, and scripts in real files — avoid template literal strings (e.g. new Response(\...`)`). Code in template strings has no syntax highlighting, no linting, no type checking, and is unreviewable.

• .tsx — React/JSX components, any UI with logic or interactivity
• .html — purely static markup
• .ts — server code and scripts

Build UI component by component in .tsx files. Compose small components rather than rendering one giant page.

Styling: Twind + Tailwind

Prefer Twind to apply Tailwind utility classes at runtime — no build step required. Add the script to your HTML shell: