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23 lines
634 B
TypeScript
23 lines
634 B
TypeScript
/**
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* Observe mutations on a DOM node or tree of DOM nodes.
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* Depends on the `MutationObserver` api.
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*
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* ```ts
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* const [element, attachRef] = useCallbackRef(null);
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*
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* useMutationObserver(element, { subtree: true }, (records) => {
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*
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* });
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*
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* return (
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* <div ref={attachRef} />
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* )
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* ```
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*
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* @param element The DOM element to observe
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* @param config The observer configuration
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* @param callback A callback fired when a mutation occurs
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*/
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declare function useMutationObserver(element: Element | null | undefined, config: MutationObserverInit, callback: MutationCallback): void;
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export default useMutationObserver;
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