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[system] Use a custom sheet to set prepend for GlobalStyles #43632

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merged 4 commits into from
Sep 11, 2024
Merged

[system] Use a custom sheet to set prepend for GlobalStyles #43632

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778a774
add a custom sheet
siriwatknp Sep 6, 2024
3cd2946
Update packages/mui-styled-engine/src/StyledEngineProvider/StyledEngi…
siriwatknp Sep 10, 2024
5bc9d40
Merge branch 'master' of https://github.com/mui/material-ui into fix/…
siriwatknp Sep 10, 2024
b5b72c2
run pnpm dedupe
siriwatknp Sep 10, 2024
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1 change: 1 addition & 0 deletions packages/mui-styled-engine/package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,7 @@
"dependencies": {
"@babel/runtime": "^7.25.0",
"@emotion/cache": "^11.13.1",
"@emotion/sheet": "^1.4.0",
"csstype": "^3.1.3",
"prop-types": "^15.8.1"
},
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31 changes: 30 additions & 1 deletion packages/mui-styled-engine/src/StyledEngineProvider/StyledEngineProvider.js
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Expand Up @@ -3,12 +3,41 @@ import * as React from 'react';
import PropTypes from 'prop-types';
import { CacheProvider } from '@emotion/react';
import createCache from '@emotion/cache';
import { StyleSheet } from '@emotion/sheet';

const createEmotionCache = (options) => {
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const cache = createCache(options);

/**
* This is for client-side apps only.
* A custom sheet is required to make the GlobalStyles API work with `prepend: true`.
* This is because the [sheet](https://github.com/emotion-js/emotion/blob/main/packages/react/src/global.js#L94-L99) does not consume the options.
*/
class MyStyleSheet extends StyleSheet {
constructor(args) {
super(args);
this.prepend = cache.sheet.prepend;
}
}

// Do the same as https://github.com/emotion-js/emotion/blob/main/packages/cache/src/index.js#L238-L245
cache.sheet = new MyStyleSheet({
key: cache.key,
nonce: cache.sheet.nonce,
container: cache.sheet.container,
speedy: cache.sheet.isSpeedy,
prepend: cache.sheet.prepend,
insertionPoint: cache.sheet.insertionPoint,
});

return cache;
};

// prepend: true moves MUI styles to the top of the <head> so they're loaded first.
// It allows developers to easily override MUI styles with other styling solutions, like CSS modules.
let cache;
if (typeof document === 'object') {
cache = createCache({ key: 'css', prepend: true });
cache = createEmotionCache({ key: 'css', prepend: true });
}

export default function StyledEngineProvider(props) {
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3 changes: 3 additions & 0 deletions pnpm-lock.yaml
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