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🆕 tss-react now supports Next.js 13 appDir 🥳.

🗳️ I've opened a pool about introducing a new API.

'tss-react' is intended to be the replacement for @material-ui v4 makeStyles and 'react-jss'.

If you like TSS consider giving the project a ⭐️

• ✅ Seamless integration with MUI.
• ✅ withStyles API support.
• ✅ Server side rendering support (e.g: Next.js, Gatsby).
• ✅ Offers a type-safe equivalent of the JSS $ syntax.
• ✅ Custom @emotion cache support.
• ✅ Build on top of @emotion/react, it has very little impact on the bundle size alongside mui (~5kB minziped).
• ✅ Maintained for the foreseeable future, issues are dealt with within good delays.
• ✅ As fast as emotion (see the difference with mui's makeStyles)
• ✅ Library authors: tss-react won’t be yet another entry in your peerDependencies.
• ✅ Support MUI's theme global styles overrides

$ yarn add tss-react @emotion/react

JavaScript support: YES.

exhaustive.demo.mov

Playground:

Get started 🚀

In SSR everything should work with JavaScript disabled!

Changelog highlights

Click to expand

v4.7.0

• Reduce bundle size when using Next.js Pages dir setup, fixes #147

v4.5.0

• Provide support for Next 13 appDir.

v4.3.0

• Provide an alternative setup for peoples experiencing styles inconsistencies after upgrading to MUI v5 using TSS.
• Better Next.js integration API.

v4.2.0

• Re introduce <TssCacheProvider />

v4.1.0

• Publish an ESM distribution. Many thanks to @jiby-aurum for he's help. This fixes many bug when working in Vite.

v4.0.0

• No need to provide an emotion cache explicitly, MUI and TSS can share the same emotion cache.
  No special instruction to make TSS work with SSR.

v3.7.1

• Retrocompatibility with React 16. Ref

v3.3.1

• I.E is almost supported out of the box (See note at the end of this sections)

Breaking changes in v3

• New API for nested selectors. We no longer use createRef().
• label have been renamed name for helping the migration from the old mui API.

Development

Running the demo apps:

git clone https://github.com/garronej/tss-react
cd tss-react
yarn
yarn build
npx tsc -w & npx tsc --module es2015 --outDir dist/esm -w
# Open another Terminal
yarn start_spa  # For testing in in a Create React App setup
yarn start_ssr # For testing in a Next.js setup
yarn start_appdir #  Next.js 13 setup in App directory mode

FAQ

Click to expand

Why this instead of the hook API of Material UI v4?

First of all because makeStyle is deprecated in @material-ui v5 but also because it has some major flaws. Let's consider this example:

import { makeStyles, createStyles } from "@material-ui/core/styles";

type Props = {
    color: "red" | "blue";
};

const useStyles = makeStyles(theme =>
    createStyles<"root" | "label", { color: "red" | "blue" }>({
        "root": {
            "backgroundColor": theme.palette.primary.main
        },
        "label": ({ color }) => ({
            color
        })
    })
);

function MyComponent(props: Props) {
    const classes = useStyles(props);

    return (
        <div className={classes.root}>
            <span className={classes.label}>Hello World</span>
        </div>
    );
}

Two pain points:

• Because TypeScript doesn't support partial argument inference, we have to explicitly enumerate the classes name as an union type "root" | "label".
• We shouldn't have to import createStyles to get correct typings.

Let's now compare with tss-react

import { makeStyles } from "./makeStyles";

type Props = {
    color: "red" | "blue";
};

const { useStyles } = makeStyles<{ color: "red" | "blue" }>()(
    (theme, { color }) => ({
        "root": {
            "backgroundColor": theme.palette.primary.main
        },
        "label": { color }
    })
);

function MyComponent(props: Props) {
    const { classes } = useStyles(props);

    return (
        <div className={classes.root}>
            <span className={classes.label}>Hello World</span>
        </div>
    );
}

Benefits:

• Less verbose, same type safety.
• You don't need to remember how things are supposed to be named, just let intellisense guide you.

Besides, the hook api of material-ui, have other problems:

• One major bug: see issue
• JSS has poor performances compared to emotion source

Why this instead of Styled component ?

See this issue

Compile error TS1023

If you get this error:

node_modules/tss-react/index.d.ts:18:10 - error TS1023: An index signature parameter type must be either 'string' or 'number'.

18         [mediaQuery: `@media${string}`]: { [RuleName_1 in keyof ClassNameByRuleName]?: import("./types").CSSObject | undefined; };
            ~~~~~~~~~~

it means that you need to update TypeScript to a version >= 4.4.
If you can't use import { } from "tss-react/compat"; instead of import { } from "tss-react".
Only withStyles() will have slightly inferior type inference.