/* Copyright 2023, 2024 New Vector Ltd. SPDX-License-Identifier: AGPL-3.0-only Please see LICENSE in the repository root for full details. */ import { useCallback, useMemo, useState } from "react"; import { useEventTarget } from "./useEvents"; /** * React hook that tracks whether the given media query matches. */ export function useMediaQuery(query: string): boolean { const mediaQuery = useMemo(() => matchMedia(query), [query]); const [numChanges, setNumChanges] = useState(0); useEventTarget( mediaQuery, "change", useCallback(() => setNumChanges((n) => n + 1), [setNumChanges]), ); // We want any change to the update counter to trigger an update here // eslint-disable-next-line react-hooks/exhaustive-deps return useMemo(() => mediaQuery.matches, [mediaQuery, numChanges]); }