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# styled-jsx [](https://github.com/vercel/styled-jsx/actions?query=branch%3Amain) Full, scoped and component-friendly CSS support for JSX (rendered on the server or the client). Code and docs are for v3 which we highly recommend you to try. Looking for styled-jsx v2? Switch to the [v2 branch](https://github.com/vercel/styled-jsx/tree/v2). - [Getting started](#getting-started) - [Configuration options](#configuration-options) - [`optimizeForSpeed`](#optimizeforspeed) - [`sourceMaps`](#sourcemaps) - [`styleModule`](#stylemodule) - [`vendorPrefixes`](#vendorprefixes) - [Features](#features) - [How It Works](#how-it-works) - [Why It Works Like This](#why-it-works-like-this) - [Targeting The Root](#targeting-the-root) - [Global styles](#global-styles) - [One-off global selectors](#one-off-global-selectors) - [Dynamic styles](#dynamic-styles) - [Via interpolated dynamic props](#via-interpolated-dynamic-props) - [Via `className` toggling](#via-classname-toggling) - [Via inline `style`](#via-inline-style) - [Constants](#constants) - [Server-Side Rendering](#server-side-rendering) - [External CSS and styles outside of the component](#external-css-and-styles-outside-of-the-component) - [External styles](#external-styles) - [Styles outside of components](#styles-outside-of-components) - [The `resolve` tag](#the-resolve-tag) - [Styles in regular CSS files](#styles-in-regular-css-files) - [CSS Preprocessing via Plugins](#css-preprocessing-via-plugins) - [Plugin options](#plugin-options) - [Example plugins](#example-plugins) - [Rendering in tests](#rendering-in-tests) - [FAQ](#faq) - [Warning: unknown `jsx` prop on <style> tag](#warning-unknown-jsx-prop-on-style-tag) - [Can I return an array of components when using React 16?](#can-i-return-an-array-of-components-when-using-react-16) - [Styling third parties / child components from the parent](#styling-third-parties--child-components-from-the-parent) - [Some styles are missing in production](https://github.com/vercel/styled-jsx/issues/319#issuecomment-349239326) - [Build a component library with styled-jsx](#build-a-component-library-with-styled-jsx) - [Syntax Highlighting](#syntax-highlighting) - [ESLint](#eslint) - [TypeScript](#typescript) - [Credits](#credits) ## Getting started Firstly, install the package: ```bash npm install --save styled-jsx ``` Next, add `styled-jsx/babel` to `plugins` in your babel configuration: ```json { "plugins": ["styled-jsx/babel"] } ``` Now add `<style jsx>` to your code and fill it with CSS: ```jsx export default () => ( <div> <p>only this paragraph will get the style :)</p> {/* you can include <Component />s here that include other <p>s that don't get unexpected styles! */} <style jsx>{` p { color: red; } `}</style> </div> ) ``` ## Configuration options The following are optional settings for the babel plugin. #### `optimizeForSpeed` Blazing fast and optimized CSS rules injection system based on the CSSOM APIs. ```json { "plugins": [["styled-jsx/babel", { "optimizeForSpeed": true }]] } ``` When in production\* this mode is automatically enabled.<br> Beware that when using this option source maps cannot be generated and styles cannot be edited via the devtools. \* `process.env.NODE_ENV === 'production'` #### `sourceMaps` Generates source maps (default: `false`) #### `styleModule` Module that the transpiled files should import (default: `styled-jsx/style`) #### `vendorPrefixes` Turn on/off automatic vendor prefixing (default: `true`) ## Features - Full CSS support, no tradeoffs in power - Runtime size of just **3kb** (gzipped, from 12kb) - Complete isolation: Selectors, animations, keyframes - Built-in CSS vendor prefixing - Very fast, minimal and efficient transpilation (see below) - High-performance runtime-CSS-injection when not server-rendering - Future-proof: Equivalent to server-renderable "Shadow CSS" - Source maps support - Dynamic styles and themes support - CSS Preprocessing via Plugins ## Using in Next.js Next.js automatically configures `styled-jsx` with babel or swc, you don't have to configure it manually. ## How It Works The example above transpiles to the following: ```jsx import _JSXStyle from 'styled-jsx/style' export default () => ( <div className="jsx-123"> <p className="jsx-123">only this paragraph will get the style :)</p> <_JSXStyle id="123">{`p.jsx-123 {color: red;}`}</_JSXStyle> </div> ) ``` ### Why It Works Like This Unique classnames give us style encapsulation and `_JSXStyle` is heavily optimized for: - Injecting styles upon render - Only injecting a certain component's style once (even if the component is included multiple times) - Removing unused styles - Keeping track of styles for server-side rendering ### Targeting The Root Notice that the outer `<div>` from the example above also gets a `jsx-123` classname. We do this so that you can target the "root" element, in the same manner that [`:host`](https://www.html5rocks.com/en/tutorials/webcomponents/shadowdom-201/#toc-style-host) works with Shadow DOM. If you want to target _only_ the host, we suggest you use a class: ```jsx export default () => ( <div className="root"> <style jsx>{` .root { color: green; } `}</style> </div> ) ``` ### Global styles To skip scoping entirely, you can make the global-ness of your styles explicit by adding _global_. ```jsx export default () => ( <div> <style jsx global>{` body { background: red; } `}</style> </div> ) ``` The advantage of using this over `<style>` is twofold: no need to use `dangerouslySetInnerHTML` to avoid escaping issues with CSS and take advantage of `styled-jsx`'s de-duping system to avoid the global styles being inserted multiple times. ### One-off global selectors Sometimes it's useful to skip selectors scoping. In order to get a one-off global selector we support `:global()`, inspired by [css-modules](https://github.com/css-modules/css-modules). This is very useful in order to, for example, generate a _global class_ that you can pass to 3rd-party components. For example, to style `react-select` which supports passing a custom class via `optionClassName`: ```jsx import Select from 'react-select' export default () => ( <div> <Select optionClassName="react-select" /> <style jsx>{` /* "div" will be prefixed, but ".react-select" won't */ div :global(.react-select) { color: red; } `}</style> </div> ) ``` ### Dynamic styles To make a component's visual representation customizable from the outside world there are three options. #### Via interpolated dynamic props Any value that comes from the component's `render` method scope is treated as dynamic. This makes it possible to use `props` and `state` for example. ```jsx const Button = props => ( <button> {props.children} <style jsx>{` button { padding: ${'large' in props ? '50' : '20'}px; background: ${props.theme.background}; color: #999; display: inline-block; font-size: 1em; } `}</style> </button> ) ``` New styles' injection is optimized to perform well at runtime. That said when your CSS is mostly static we recommend to split it up in static and dynamic styles and use two separate `style` tags so that, when changing, only the dynamic parts are recomputed/rendered. ```jsx const Button = props => ( <button> {props.children} <style jsx>{` button { color: #999; display: inline-block; font-size: 2em; } `}</style> <style jsx>{` button { padding: ${'large' in props ? '50' : '20'}px; background: ${props.theme.background}; } `}</style> </button> ) ``` #### Via `className` toggling The second option is to pass properties that toggle class names. ```jsx const Button = props => ( <button className={'large' in props && 'large'}> {props.children} <style jsx>{` button { padding: 20px; background: #eee; color: #999; } .large { padding: 50px; } `}</style> </button> ) ``` Then you would use this component as either `<Button>Hi</Button>` or `<Button large>Big</Button>`. #### Via inline `style` \***best for animations** Imagine that you wanted to make the padding in the button above completely customizable. You can override the CSS you configure via inline-styles: ```jsx const Button = ({ padding, children }) => ( <button style={{ padding }}> {children} <style jsx>{` button { padding: 20px; background: #eee; color: #999; } `}</style> </button> ) ``` In this example, the padding defaults to the one set in `<style>` (`20`), but the user can pass a custom one via `<Button padding={30}>`. ### Constants It is possible to use constants like so: ```jsx import { colors, spacing } from '../theme' import { invertColor } from '../theme/utils' const Button = ({ children }) => ( <button> {children} <style jsx>{` button { padding: ${spacing.medium}; background: ${colors.primary}; color: ${invertColor(colors.primary)}; } `}</style> </button> ) ``` Please keep in mind that constants defined outside of the component scope are treated as static styles. ## Server-Side Rendering `styled-jsx` v5 introduced `StyledRegistry` component and `useStyleRegistry` hook to let you scope styles rendering in each SSR render to keep concurrent-safe. - `registry.styles()` will return the array of react components for style tags. - `registry.flush()` can clean the existing styles in the registry, it's optional for SSR when you have a standalone registry for each SSR render. > Next.js 12 integrates with `styled-jsx` v5 and manages the registry for you. ```jsx import React from 'react' import ReactDOM from 'react-dom/server' import { StyleRegistry, useStyleRegistry } from 'styled-jsx' import App from './app' function Styles() { const registry = useStyleRegistry() const styles = registry.styles() return <>{styles}</> } export default (req, res) => { const app = ReactDOM.renderToString(<App />) const html = ReactDOM.renderToStaticMarkup( <StyleRegistry> <html> <head> <Styles /> </head> <body> <div id="root" dangerouslySetInnerHTML={{ __html: app }} /> </body> </html> </StyleRegistry> ) res.end('<!doctype html>' + html) } ``` There's also a new API `createStyleRegistry` that is introduced when you have to create a registry manually. In this way you can operate the registry yourself to extract the rendered styles (`registry.styles()`) or flush them out (`registry.flush()`). ```js const registry = createStyleRegistry() const styles = registry.styles() // access styles function Page() { return ( <StyleRegistry registry={registry}> <App /> </StyleRegistry> ) } ``` By default `<StyleRegistry />` will use the `registry` from root top `StyleRegistry`, which means there's only one `registry` in the react tree. It's **paramount** that you use one of these two functions so that the generated styles can be diffed when the client loads and duplicate styles are avoided. ### Content Security Policy Strict [CSP](https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP) is supported. You should generate a nonce **per request**. ```js import nanoid from 'nanoid' const nonce = Buffer.from(nanoid()).toString('base64') //ex: N2M0MDhkN2EtMmRkYi00MTExLWFhM2YtNDhkNTc4NGJhMjA3 ``` You must then pass a nonce to `registry.styles({ nonce })` **and** set a `<meta property="csp-nonce" content={nonce} />` tag. Your CSP policy must share the same nonce as well (the header nonce needs to match the html nonce and remain unpredictable). `Content-Security-Policy: default-src 'self'; style-src 'self' 'nonce-N2M0MDhkN2EtMmRkYi00MTExLWFhM2YtNDhkNTc4NGJhMjA3';` ### External CSS and styles outside of the component In styled-jsx styles can be defined outside of the component's render method or in separate JavaScript modules using the `styled-jsx/css` library. `styled-jsx/css` exports three tags that can be used to tag your styles: - `css`, the default export, to define scoped styles. - `css.global` to define global styles. - `css.resolve` to define scoped styles that resolve to the scoped `className` and a `styles` element. #### External styles In an external file: ```js /* styles.js */ import css from 'styled-jsx/css' // Scoped styles export const button = css` button { color: hotpink; } ` // Global styles export const body = css.global`body { margin: 0; }` // Resolved styles export const link = css.resolve`a { color: green; }` // link.className -> scoped className to apply to `a` elements e.g. jsx-123 // link.styles -> styles element to render inside of your component // Works also with default exports export default css` div { color: green; } ` ``` You can then import and use those styles: ```jsx import styles, { button, body } from './styles' export default () => ( <div> <button>styled-jsx</button> <style jsx>{styles}</style> <style jsx>{button}</style> <style jsx global> {body} </style> </div> ) ``` N.B. All the tags except for [`resolve`](#the-resolve-tag) don't support dynamic styles. `resolve` and `global` can also be imported individually: ```js import { resolve } from 'styled-jsx/css' import { global } from 'styled-jsx/css' ``` If you use Prettier we recommend you to use the default `css` export syntax since the tool doesn't support named imports. #### Styles outside of components The `css` tag from `styled-jsx/css` can be also used to define styles in your components files but outside of the component itself. This might help with keeping `render` methods smaller. ```jsx import css from 'styled-jsx/css' export default () => ( <div> <button>styled-jsx</button> <style jsx>{button}</style> </div> ) const button = css` button { color: hotpink; } ` ``` Like in externals styles `css` doesn't work with dynamic styles. If you have dynamic parts you might want to place them inline inside of your component using a regular `<style jsx>` element. #### The `resolve` tag The `resolve` tag from `styled-jsx/css` can be used when you need to scope some CSS - for example, if you need to style nested components from the parent, such as the `Link` component in the example below. It works by returning the generated scoped `className` and related `styles`. ```jsx import React from 'react' import Link from 'some-library' import css from 'styled-jsx/css' const { className, styles } = css.resolve` a { color: green } ` export default () => ( <div> {/* use the className */} <Link className={className}>About</Link> {/* render the styles for it */} {styles} </div> ) ``` The `resolve` tag also supports dynamic styles, via template string interpolation: ```jsx import React from 'react' import css from 'styled-jsx/css' function getLinkStyles(color) { return css.resolve` a { color: ${color} } ` } export default props => { const { className, styles } = getLinkStyles(props.theme.color) return ( <div> <Link className={className}>About</Link> {styles} </div> ) } ``` #### Using `resolve` as a Babel macro If you can't (or would rather not) make changes to your `.babelrc`, the `resolve` tag can be used as a Babel macro, thanks to the [`babel-plugin-macros`](https://github.com/kentcdodds/babel-plugin-macros) system. To set this up, first of all, install `styled-jsx` and `babel-plugin-macros`: ```bash npm i --save styled-jsx npm i --save-dev babel-plugin-macros ``` Next, add `babel-plugin-macros` to your Babel configuration: ```json { "plugins": ["babel-plugin-macros"] } ``` You can then use `resolve` by importing it from `styled-jsx/macro`. ```jsx import css from 'styled-jsx/macro' const { className, styles } = css.resolve` a { color: green } ` export default () => ( <div> <Link className={className}>About</Link> {styles} </div> ) ``` ##### Usage with [`create-react-app`](https://create-react-app.dev) [Create React App](https://create-react-app.dev) comes with `babel-plugin-macros` already installed, so the only thing that needs to be done is to install `styled-jsx`: ```bash npm i --save styled-jsx ``` Then `resolve` can be imported from `styled-jsx/macro` and used the same way as in the example in the [Using `resolve` as a Babel macro](https://github.com/vercel/styled-jsx/blob/main/readme.md#using-resolve-as-a-babel-macro) section above. #### Styles in regular CSS files styled-jsx v3 comes with a webpack loader that lets you write styles in regular `css` files and consume them in React. ```js import styles from '../components/button/styles.css' export default () => ( <div> <button>styled-jsx</button> <style jsx>{styles}</style> </div> ) ``` To consume the styles in your component you can import them from your CSS file and render them using a `<style jsx>` tag. Remember to add the `global` prop if you want your styles to be global. To use this feature you need to register the loader in your webpack config file, before `babel-loader` which will then transpile the styles via `styled-jsx/babel` ```js config: { module: { rules: [ { test: /\.css$/, use: [ { loader: require('styled-jsx/webpack').loader, options: { type: 'scoped' } } ] } ] } } ``` The plugin accepts a `type` option to configure whether the styles should be `scoped`, `global` or `resolve` (see above). By default its values is set to `scoped`. `type` can also be a `function` which takes the `fileName` and the `fileNameQuery` that is being transpiled and must return a valid type. ```js type validTypes = 'scoped' | 'global' | 'resolve' type fileName = string type Options = {| type: validTypes | ((fileName, options) => validTypes) |} ``` ```js import styles from './styles.css?type=global' // webpack config: { module: { rules: [ { test: /\.css$/, use: [ { loader: require('styled-jsx/webpack').loader, options: { type: (fileName, options) => options.query.type || 'scoped' } } ] } ] } } ``` The type can also be set per individual CSS file via CSS comment: ```css /* @styled-jsx=scoped */ button { color: red; } ``` The CSS comment option will override the one in the webpack configuration only for this specific file. ##### Next.js Example of `next.config.js` to integrate `styled-jsx/webpack`: ```js module.exports = { webpack: (config, { defaultLoaders }) => { config.module.rules.push({ test: /\.css$/, use: [ defaultLoaders.babel, { loader: require('styled-jsx/webpack').loader, options: { type: 'scoped' } } ] }) return config } } ``` ## CSS Preprocessing via Plugins Styles can be preprocessed via plugins. Plugins are regular JavaScript modules that export a simple function with the following signature: ```ts function plugin(css: string, options: Object): string ``` Basically they accept a CSS string in input, optionally modify it and finally return it. Plugins make it possible to use popular preprocessors like SASS, Less, Stylus, PostCSS or apply custom transformations to the styles at **compile time**. To register a plugin add an option `plugins` for `styled-jsx/babel` to your `.babelrc`. `plugins` must be an array of module names or _full_ paths for local plugins. ```json { "plugins": [ [ "styled-jsx/babel", { "plugins": [ "my-styled-jsx-plugin-package", "/full/path/to/local/plugin" ] } ] ] } ``` <details> <summary>Instructions to integrate with Next.js</summary> In order to register styled-jsx plugins in a Next.js app you need to create a custom .babelrc file: ```json { "presets": [ [ "next/babel", { "styled-jsx": { "plugins": ["styled-jsx-plugin-postcss"] } } ] ] } ``` This is a fairly new feature so make sure that you using a version of Next.js that supports passing options to `styled-jsx`. </details> <br> Plugins are applied in definition order left to right before styles are scoped. In order to resolve local plugins paths you can use NodeJS' [require.resolve](https://nodejs.org/api/globals.html#globals_require_resolve). N.B. when applying the plugins styled-jsx replaces template literals expressions with placeholders because otherwise CSS parsers would get invalid CSS E.g. ```css /* `ExprNumber` is a number */ %%styled-jsx-placeholder-ExprNumber%% ``` **Plugins won't transform expressions** (eg. dynamic styles). When publishing a plugin you may want to add the keywords: `styled-jsx` and `styled-jsx-plugin`. We also encourage you to use the following naming convention for your plugins: ``` styled-jsx-plugin-<your-plugin-name> ``` #### Plugin options Users can set plugin options by registering a plugin as an array that contains the plugin path and an options object. ```json { "plugins": [ [ "styled-jsx/babel", { "plugins": [ ["my-styled-jsx-plugin-package", { "exampleOption": true }] ], "sourceMaps": true } ] ] } ``` Each plugin receives a `options` object as second argument which contains the babel and user options: ```js ;(css, options) => { /* ... */ } ``` The `options` object has the following shape: ```js { // user options go here // eg. exampleOption: true // babel options babel: { sourceMaps: boolean, vendorPrefixes: boolean, isGlobal: boolean, filename: ?string, // defined only when the filename option is passed to Babel, such as when using Babel CLI or Webpack location: { // the original location of the CSS block in the JavaScript file start: { line: number, column: number, }, end: { line: number, column: number, } } } } ``` #### Example plugins The following plugins are proof of concepts/sample: - [styled-jsx-plugin-sass](https://github.com/giuseppeg/styled-jsx-plugin-sass) - [styled-jsx-plugin-postcss](https://github.com/giuseppeg/styled-jsx-plugin-postcss) - [styled-jsx-plugin-stylelint](https://github.com/giuseppeg/styled-jsx-plugin-stylelint) - [styled-jsx-plugin-less](https://github.com/erasmo-marin/styled-jsx-plugin-less) - [styled-jsx-plugin-stylus](https://github.com/omardelarosa/styled-jsx-plugin-stylus) ## Rendering in tests If you're using a tool such as Enzyme, you might want to avoid compiling your styles in test renders. In general, styled-jsx artifacts like `jsx-123` classnames and vendor prefixing are not direct concerns of your component, and they generate a lot of snapshot noise. One option is to exclude the `styled-jsx/babel` plugin from the `test` environment using `env` in your Babel config (see [Config Merging options](https://babeljs.io/docs/en/options#config-merging-options)). But this can cause noise in your terminal output when rendering: ``` console.error node_modules/react-dom/cjs/react-dom.development.js:527 Warning: Received `true` for a non-boolean attribute `jsx`. ``` The `styled-jsx/babel-test` solves this problem. It simply strips `jsx` attributes from all `<style>` tags. Be sure to target each environment with the appropriate plugin: ```json { "env": { "production": { "plugins": ["styled-jsx/babel"] }, "development": { "plugins": ["styled-jsx/babel"] }, "test": { "plugins": ["styled-jsx/babel-test"] } } } ``` #### styled-jsx/css in tests When using `styled-jsx/babel-test`, `styled-jsx/css` throws the following error: ``` styled-jsx/css: if you are getting this error it means that your `css` tagged template literals were not transpiled. ``` to solve this issue you need to mock `styled-jsx/css`. You can find a guide at the following link https://kevinjalbert.com/jest-snapshots-reducing-styled-jsx-noise/ ## FAQ ### Warning: unknown `jsx` prop on <style> tag If you get this warning it means that your styles were not compiled by styled-jsx. Please take a look at your setup and make sure that everything is correct and that the styled-jsx transformation is ran by Babel. ### Can I return an array of components when using React 16? No, this feature is not supported. However we support React Fragments, which are available in React `16.2.0` and above. ```jsx const StyledImage = ({ src, alt = '' }) => ( <React.Fragment> <img src={src} alt={alt} /> <style jsx>{` img { max-width: 100%; } `}</style> </React.Fragment> ) ``` ### Styling third parties / child components from the parent When the component accepts a `className` (or ad-hoc) prop as a way to allow customizations then you can use [the `resolve` tag from `styled-jsx/css`](#the-resolve-tag). When the component doesn't accept any `className` or doesn't expose any API to customize the component, then your only option is to use `:global()` styles: ```jsx export default () => ( <div> <ExternalComponent /> <style jsx>{` /* "div" will be prefixed, but ".nested-element" won't */ div > :global(.nested-element) { color: red; } `}</style> </div> ) ``` Please keep in mind that `:global()` styles will affect the entire subtree, so in many cases you may want to be careful and use the children (direct descendant) selector `>`. ### Build a component library with styled-jsx There's an [article](https://medium.com/@tomaszmularczyk89/guide-to-building-a-react-components-library-with-rollup-and-styled-jsx-694ec66bd2) explaining how to bundle React components with Rollup and styled-jsx as an external dependency. ## Syntax Highlighting When working with template literals a common drawback is missing syntax highlighting. The following editors currently have support for highlighting CSS inside `<style jsx>` elements. _If you have a solution for an editor not on the list_ **please [open a PR](https://github.com/vercel/styled-jsx/pull/new/main)** _and let us now._ ### Atom The [`language-babel`](https://github.com/gandm/language-babel) package for the [Atom editor](https://atom.io/) has an option to [extend the grammar for JavaScript tagged template literals](https://github.com/gandm/language-babel#javascript-tagged-template-literal-grammar-extensions). After [installing the package](https://github.com/gandm/language-babel#installation) add the code below to the appropriate settings entry. In a few moments you should be blessed with proper CSS syntax highlighting. ([source](https://github.com/gandm/language-babel/issues/324)) ``` "(?<=<style jsx>{)|(?<=<style jsx global>{)|(?<=css)":source.css.styled ```  ### Webstorm/Idea The IDE let you inject any language in place with _Inject language or reference_ in an _Intention Actions_ (default _alt+enter_). Simply perform the action in the string template and select CSS. You get full CSS highlighting and autocompletion and it will last until you close the IDE. Additionally you can use language injection comments to enable all the IDE language features indefinitely using the language comment style: ```jsx import { colors, spacing } from '../theme' import { invertColor } from '../theme/utils' const Button = ({ children }) => ( <button> {children} {/*language=CSS*/} <style jsx>{` button { padding: ${spacing.medium}; background: ${colors.primary}; color: ${invertColor(colors.primary)}; } `}</style> </button> ) ``` ### Emmet If you're using Emmet you can add the following snippet to `~/emmet/snippets-styledjsx.json` This will allow you to expand `style-jsx` to a styled-jsx block. ```json { "html": { "snippets": { "style-jsx": "<style jsx>{`\n\t$1\n`}</style>" } } } ``` ### Syntax Highlighting [Visual Studio Code Extension](https://marketplace.visualstudio.com/items?itemName=Divlo.vscode-styled-jsx-syntax) Launch VS Code Quick Open (⌘+P), paste the following command, and press enter. ``` ext install Divlo.vscode-styled-jsx-syntax ``` If you use Stylus instead of plain CSS, install [vscode-styled-jsx-stylus](https://marketplace.visualstudio.com/items?itemName=samuelroy.vscode-styled-jsx-stylus) or paste the command below. ``` ext install vscode-styled-jsx-stylus ``` ### Autocomplete [Visual Studio Code Extension](https://marketplace.visualstudio.com/items?itemName=Divlo.vscode-styled-jsx-languageserver) Launch VS Code Quick Open (⌘+P), paste the following command, and press enter. ``` ext install Divlo.vscode-styled-jsx-languageserver ``` ### Vim Install [vim-styled-jsx](https://github.com/alampros/vim-styled-jsx) with your plugin manager of choice. ## ESLint If you're using `eslint-plugin-import`, the `css` import will generate errors, being that it's a "magic" import (not listed in package.json). To avoid these, simply add the following line to your eslint configuration: ``` "settings": {"import/core-modules": ["styled-jsx/css"] } ``` ## TypeScript If you're using TypeScript, then in order to allow `<style jsx>` tags to be properly understood by it, create a file named "styled-jsx.d.ts" anywhere within your project containing the following, or add this line to the top of any single existing .ts file within your project: ```ts /// <reference types="styled-jsx" /> ``` > If you're using babel to transform styled-jsx code with TypeScript, you need to specify `"jsx": "preserve"` in your tsconfig.json to keep the original JSX and let babel parse and transform with styled-jsx babel plugin. ## Credits - **Pedram Emrouznejad** ([rijs](https://github.com/rijs/fullstack)) suggested attribute selectors over my initial class prefixing idea. - **Sunil Pai** ([glamor](https://github.com/threepointone/glamor)) inspired the use of `murmurhash2` (minimal and fast hashing) and an efficient style injection logic. - **Sultan Tarimo** built [stylis.js](https://github.com/thysultan), a super fast and tiny CSS parser and compiler. - **Max Stoiber** ([styled-components](https://github.com/styled-components)) proved the value of retaining the familiarity of CSS syntax and pointed me to the very efficient [stylis](https://github.com/thysultan/stylis.js) compiler (which we forked to very efficiently append attribute selectors to the user's css) - **Yehuda Katz** ([ember](https://github.com/emberjs)) convinced me on Twitter to transpile CSS as an alternative to CSS-in-JS. - **Evan You** ([vuejs](https://github.com/vuejs)) discussed his Vue.js CSS transformation with me. - **Henry Zhu** ([babel](https://github.com/babel)) helpfully pointed me to some important areas of the babel plugin API. ## Authors - Guillermo Rauch ([@rauchg](https://twitter.com/rauchg)) - [▲Vercel](https://vercel.com) - Naoyuki Kanezawa ([@nkzawa](https://twitter.com/nkzawa)) - [▲Vercel](https://vercel.com) - Giuseppe Gurgone ([@giuseppegurgone](https://twitter.com/giuseppegurgone))