hamid
16 lines
828 B
TypeScript
16 lines
828 B
TypeScript
/**
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* Longest-prefix, winner-takes-all active-path matching shared by the sidebar and every bottom
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* bar. Given the current (locale-stripped) pathname and a set of nav-item paths, returns the
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* single path that should render as active — the longest candidate that prefixes the pathname —
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* so e.g. `/nurse/requests` lights up "Requests" and not the "Dashboard" root (`/nurse`), and
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* `/patients/123` still lights up the `/patients` tab.
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*/
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export function matchActivePath(pathname: string, paths: ReadonlyArray<string | undefined>): string | undefined {
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const isMatch = (path: string) => (path === '/' ? pathname === path : pathname === path || pathname.startsWith(`${path}/`));
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return paths
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.filter((path): path is string => Boolean(path))
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.filter(isMatch)
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.sort((a, b) => b.length - a.length)[0];
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}
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