What props should a React autocomplete component accept?
fetchSuggestions (async function that returns an array) and onSelect (callback when a suggestion is selected). This makes the component reusable. The parent provides the data source and handles the selection.
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More FAQs in Autocomplete Search Bar in React
Use useState for query, suggestions, highlight, isLoading, isOpen. Use useEffect for debounce (setTimeout in useEffect with query dependency) and click-outside listener. Use useRef for the container and debounce timer. Handle keyboard navigation in handleKeyDown.
Use useEffect with the query as a dependency. Set a setTimeout inside useEffect. Return () => clearTimeout(timer) as the cleanup. This creates a debounced effect that runs 300ms after the query changes.
Use useEffect to add a document click listener. Check if the click is inside the container using a ref: if (containerRef.current && !containerRef.current.contains(e.target)) setIsOpen(false). Remove the listener in the cleanup.
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