37 lines
796 B
TypeScript
37 lines
796 B
TypeScript
'use client';
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import { backButton } from '@telegram-apps/sdk-react';
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import { usePathname, useRouter } from 'next/navigation';
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import { useCallback, useEffect } from 'react';
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export function useBackButton() {
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const { back } = useRouter();
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const pathname = usePathname();
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const onBackClick = useCallback(() => {
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if (pathname !== '/') {
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back();
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}
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}, [pathname, back]);
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useEffect(() => {
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const off = backButton.onClick(onBackClick);
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return off;
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}, [onBackClick]);
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useEffect(() => {
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if (backButton.isMounted()) {
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if (isRootLevelPage(pathname)) {
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backButton.hide();
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} else {
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backButton.show();
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}
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}
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}, [pathname]);
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}
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function isRootLevelPage(path: string) {
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return path.split('/').filter(Boolean).length === 1;
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}
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