React Strict DOM Setup for Expo

This guide covers setting up react-strict-dom in an Expo project with Tailwind CSS v4 and react-native-css for universal app development.

Overview

react-strict-dom provides a subset of HTML/CSS that works identically across web and native platforms. This setup includes:

• Babel preset - Transforms react-strict-dom components for each platform
• PostCSS plugin - Processes styles for web builds
• CSS directive - Enables react-strict-dom styles in global CSS
• HTML wrapper components - CSS-wrapped primitives with Tailwind className support

Installation

Install react-strict-dom using bun: