web-base/react/shared/hooks/async-search.js
2024-03-27 16:27:26 +01:00

26 lines
742 B
JavaScript

import {useEffect, useState} from "react";
export default function useAsyncSearch(callback, minLength = 1) {
const [searchString, setSearchString] = useState("");
const [results, setResults] = useState(null);
const [isSearching, setSearching] = useState(false);
useEffect(() => {
if (minLength > 0 && (!searchString || searchString.length < minLength)) {
setResults([]);
return;
}
if (!isSearching) {
setSearching(true);
callback(searchString).then(results => {
setResults(results || null);
setSearching(false);
});
}
}, [searchString]);
return [searchString, setSearchString, results];
}