48 lines
1.3 KiB
JavaScript
48 lines
1.3 KiB
JavaScript
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/**
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* External dependencies
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*/
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import { useResizeObserver } from 'wordpress-compose';
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/**
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* Returns a resizeListener element and a class name based on its width.
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* Class names are based on the smaller of the breakpoints:
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* https://github.com/WordPress/gutenberg/tree/master/packages/viewport#usage
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* Values are also based on those breakpoints minus ~80px which is aproximately
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* the left + right margin in Storefront with a font-size of 16px.
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* _Note: `useContainerQueries` will return an empty class name `` until after
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* first render_
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*
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* @return {Array} An array of {Element} `resizeListener` and {string} `className`.
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*
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* @example
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*
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* ```js
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* const App = () => {
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* const [ resizeListener, containerQueryClassName ] = useContainerQueries();
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*
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* return (
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* <div className={ containerQueryClassName }>
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* { resizeListener }
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* Your content here
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* </div>
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* );
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* };
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* ```
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*/
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export const useContainerQueries = () => {
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const [ resizeListener, { width } ] = useResizeObserver();
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let className = '';
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if ( width > 700 ) {
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className = 'is-large';
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} else if ( width > 520 ) {
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className = 'is-medium';
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} else if ( width > 400 ) {
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className = 'is-small';
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} else if ( width ) {
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className = 'is-mobile';
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}
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return [ resizeListener, className ];
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};
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