36 lines
1.1 KiB
JavaScript
36 lines
1.1 KiB
JavaScript
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import { ThemeProvider, useTheme, createTheme } from '@mui/material/styles';
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import useMediaQuery from '@mui/material/useMediaQuery';
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/**
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* Be careful using this hook. It only works because the number of
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* breakpoints in theme is static. It will break once you change the number of
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* breakpoints. See https://legacy.reactjs.org/docs/hooks-rules.html#only-call-hooks-at-the-top-level
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*/
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function useWidth() {
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const theme = useTheme();
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const keys = [...theme.breakpoints.keys].reverse();
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return (
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keys.reduce((output, key) => {
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// TODO: uncomment once we enable eslint-plugin-react-compiler // eslint-disable-next-line react-compiler/react-compiler -- useMediaQuery is called inside callback
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// eslint-disable-next-line react-hooks/rules-of-hooks
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const matches = useMediaQuery(theme.breakpoints.up(key));
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return !output && matches ? key : output;
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}, null) || 'xs'
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);
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}
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function MyComponent() {
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const width = useWidth();
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return <span>{`width: ${width}`}</span>;
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}
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const theme = createTheme();
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export default function UseWidth() {
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return (
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<ThemeProvider theme={theme}>
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<MyComponent />
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</ThemeProvider>
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);
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}
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