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@@ -1,21 +1,23 @@
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import * as React from "react";
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const MOBILE_BREAKPOINT = 768;
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+const MOBILE_MEDIA_QUERY = `(max-width: ${MOBILE_BREAKPOINT - 1}px)`;
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-export function useIsMobile() {
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- const [isMobile, setIsMobile] = React.useState<boolean | undefined>(
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- undefined,
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- );
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+function subscribe(callback: () => void) {
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+ const mql = window.matchMedia(MOBILE_MEDIA_QUERY);
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+ mql.addEventListener("change", callback);
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+
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+ return () => mql.removeEventListener("change", callback);
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+}
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- React.useEffect(() => {
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- const mql = window.matchMedia(`(max-width: ${MOBILE_BREAKPOINT - 1}px)`);
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- const onChange = () => {
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- setIsMobile(window.innerWidth < MOBILE_BREAKPOINT);
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- };
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- mql.addEventListener("change", onChange);
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- setIsMobile(window.innerWidth < MOBILE_BREAKPOINT);
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- return () => mql.removeEventListener("change", onChange);
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- }, []);
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+function getSnapshot() {
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+ return window.innerWidth < MOBILE_BREAKPOINT;
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+}
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- return !!isMobile;
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+function getServerSnapshot() {
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+ return false;
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+}
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+
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+export function useIsMobile() {
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+ return React.useSyncExternalStore(subscribe, getSnapshot, getServerSnapshot);
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}
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