48 lines
1.6 KiB
TypeScript
48 lines
1.6 KiB
TypeScript
/* ============================================================================
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":lang" LAYOUT
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----------------------------------------------------------------------------
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Owned by the app shell, not by a page agent.
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One route tree serves both languages: every page module below this layout is
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rendered for /en/... and /ar/... alike, and reads its locale from
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`useLocale()` (or from this route's loader data via
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`useRouteLoaderData("locale")`).
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The layout itself renders nothing but the outlet - the header, the footer
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and <html lang/dir> live in the root route, above it - so its whole job is
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validating the segment:
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/en, /ar -> render
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/EN, /Ar -> 301 to the lower-case canonical URL
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/fr, /xx -> 404 through the root ErrorBoundary
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========================================================================= */
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import { data, Outlet, redirect } from "react-router";
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import { dirFor, isLocale } from "~/i18n/config";
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import type { Route } from "./+types/locale-layout";
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export function loader({ params, request }: Route.LoaderArgs) {
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const segment = params.lang;
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const normalized = segment?.toLowerCase();
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if (!isLocale(normalized)) {
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throw data("Not Found", { status: 404, statusText: "Not Found" });
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}
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if (normalized !== segment) {
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const url = new URL(request.url);
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url.pathname = url.pathname.replace(
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/^\/[^/]+/,
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`/${normalized}`,
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);
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throw redirect(`${url.pathname}${url.search}`, 301);
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}
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return { locale: normalized, dir: dirFor(normalized) };
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}
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export default function LocaleLayout() {
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return <Outlet />;
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}
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