@wordpress/compose/build/hooks/use-resize-observer/index.cjs.map

WordPress higher-order components (HOCs).

{
  "version": 3,
  "sources": ["../../../src/hooks/use-resize-observer/index.ts"],
  "sourcesContent": ["/**\n * Internal dependencies\n */\nimport { useResizeObserver as _useResizeObserver } from './use-resize-observer';\nimport type { ObservedSize } from './legacy';\nimport _useLegacyResizeObserver from './legacy';\n/**\n * External dependencies\n */\nimport type { ReactElement } from 'react';\n\n/**\n * Sets up a [`ResizeObserver`](https://developer.mozilla.org/en-US/docs/Web/API/Resize_Observer_API)\n * for an HTML or SVG element.\n *\n * Pass the returned setter as a callback ref to the React element you want\n * to observe, or use it in layout effects for advanced use cases.\n *\n * @example\n *\n * ```tsx\n * const setElement = useResizeObserver(\n * \t( resizeObserverEntries ) => console.log( resizeObserverEntries ),\n * \t{ box: 'border-box' }\n * );\n * <div ref={ setElement } />;\n *\n * // The setter can be used in other ways, for example:\n * useLayoutEffect( () => {\n * \tsetElement( document.querySelector( `data-element-id=\"${ elementId }\"` ) );\n * }, [ elementId ] );\n * ```\n *\n * @param callback The `ResizeObserver` callback - [MDN docs](https://developer.mozilla.org/en-US/docs/Web/API/ResizeObserver/ResizeObserver#callback).\n * @param options  Options passed to `ResizeObserver.observe` when called - [MDN docs](https://developer.mozilla.org/en-US/docs/Web/API/ResizeObserver/observe#options). Changes will be ignored.\n */\nexport default function useResizeObserver< T extends Element >(\n\t/**\n\t * The `ResizeObserver` callback - [MDN docs](https://developer.mozilla.org/en-US/docs/Web/API/ResizeObserver/ResizeObserver#callback).\n\t */\n\tcallback: ResizeObserverCallback,\n\t/**\n\t * Options passed to `ResizeObserver.observe` when called - [MDN docs](https://developer.mozilla.org/en-US/docs/Web/API/ResizeObserver/observe#options). Changes will be ignored.\n\t */\n\toptions?: ResizeObserverOptions\n): ( element?: T | null ) => void;\n\n/**\n * **This is a legacy API and should not be used.**\n *\n * @deprecated Use the other `useResizeObserver` API instead: `const ref = useResizeObserver( ( entries ) => { ... } )`.\n *\n * Hook which allows to listen to the resize event of any target element when it changes size.\n * _Note: `useResizeObserver` will report `null` sizes until after first render.\n *\n * @example\n *\n * ```js\n * const App = () => {\n * \tconst [ resizeListener, sizes ] = useResizeObserver();\n *\n * \treturn (\n * \t\t<div>\n * \t\t\t{ resizeListener }\n * \t\t\tYour content here\n * \t\t</div>\n * \t);\n * };\n * ```\n */\nexport default function useResizeObserver(): [ ReactElement, ObservedSize ];\n\nexport default function useResizeObserver< T extends HTMLElement >(\n\tcallback?: ResizeObserverCallback,\n\toptions: ResizeObserverOptions = {}\n): ( ( element?: T | null ) => void ) | [ ReactElement, ObservedSize ] {\n\treturn callback\n\t\t? _useResizeObserver( callback, options )\n\t\t: _useLegacyResizeObserver();\n}\n"],
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  "names": ["_useResizeObserver", "_useLegacyResizeObserver"]
}