What is Nativewind?

Nativewind allows you to useTailwind CSS to style your components in React Native. Styled components can be shared between all React Native platforms, using the best style engine for that platform; CSS StyleSheet on web and StyleSheet.create for native. Its goals are to provide a consistent styling experience across all platforms, improving Developer UX, component performance and code maintainability.

On native platforms, Nativewind performs two functions. First, at build time, it compiles your Tailwind CSS styles intoStyleSheet.create objects and determines the conditional logic of styles (e.g. hover, focus, active, etc). Second, it has an efficient runtime system that applies the styles to your components. This means you can use the full power of Tailwind CSS, including media queries, container queries, and custom values, while still having the performance of a native style system.

On web, Nativewind is a small polyfill for addingclassName support to React Native Web.

Key Features

🌐Universal Uses the best style system for each platform.

🖥️DevUX Plugins for simple setup and improving intellisense support

✨Media & Container queries Use modern mobile styling features like media and container queries(docs)

👪Custom values (CSS Variables) Create themes, sub-themes and dynamic styles using custom values

✨Pseudo classes hover / focus / active on compatible components(docs)

👪Parent state styles automatically style children based upon parent pseudo classes(docs)

🔥Lots of other features

• dark mode
• arbitrary classes
• platform selectors
• plugins

How is this different StyleSheet.create?

A full featured style system should have

• Static styles
• UI state styles (active, hover, focus, etc)
• Responsive styles (media queries, dynamic units)
• Container queries (styling based upon parent appearance)
• Device state styles (orientation, color scheme)
• Use the best rendering engine available

React Native's StyleSheet system only provides static styles, with other features left for the user to implement. By using Nativewind you can focus on writing your system instead of building your own custom style system.

On the web, it avoids injecting a StyleSheet at runtime by reusing the existing Tailwind CSS stylesheet, allowing you to use Server Side Rendering and much better initial page load performance.

In action

Nativewind handles both the Tailwind CSS compilation and the runtime styles. It works via a JSX transform, meaning there is no need for custom wrappers/boilerplate.

As all React components are transformed with JSX, it works with 3rd party modules.

import { CustomText }from "third-party-text-component";export function BoldText(props) {  // You just need to write `className="<your styles>"`  return <CustomText className="text-bold" {...props} />;}

Styling can be dynamic and you can perform conditional logic and build up complex style objects.

import { Text }from "react-native";export function MyText({bold,italic,lineThrough,...props }) {  const classNames = [];  if (bold) classNames.push("font-bold");  if (italic) classNames.push("italic");  if (lineThrough) classNames.push("line-through");  return <Text className={classNames.join(" ")} {...props} />;}

By default Nativewind mapsclassName->style, but it can handle the mapping of complex components.

remapProps(FlatList, {  className:"style",  ListFooterComponentClassName:"ListFooterComponentStyle",  ListHeaderComponentClassName:"ListHeaderComponentStyle",  columnWrapperClassName:"columnWrapperStyle",  contentContainerClassName:"contentContainerStyle",});<FlatList  {...}  className="bg-black"  ListHeaderComponentClassName="bg-black text-white"  ListFooterComponentClassName="bg-black text-white"  columnWrapperClassName="bg-black"  contentContainerClassName="bg-black"  indicatorClassName="bg-black"/>

And can even work with components that expect style attributes as props

import { Text }from "react-native";import { cssInterop }from "nativewind";import { Svg, Circle }from "react-native-svg";/** * Svg uses `height`/`width` props on native and className on web */const StyledSVG = cssInterop(Svg, {  className: {    target:"style",    nativeStyleToProp: {      height:true,      width:true,    },  },});/** * Circle uses `fill`/`stroke`/`strokeWidth` props on native and className on web */const StyledCircle = cssInterop(Circle, {  className: {    target:"style",    nativeStyleToProp: {      fill:true,      stroke:true,      strokeWidth:true,    },  },});export function BoldText(props) {  return (    <Svg className="w-1/2 h-1/2" viewBox="0 0 100 100">      <StyledCircle        className="fill-green-500 stroke-blue-500 stroke-2"        cx="50"        cy="50"        r="45"      />    </Svg>  );}

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