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feat(landing-i18n): recall a returning visitor's chosen language

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Render-blocking head script that routes a returning visitor to the language they explicitly picked (stored on switch). Only on default English pages; skips English-only tool-detail pages; crawler-safe. Admin-merged: landing-only PR, the skipped Integration matrix jobs never report the required contexts (known repo deadlock). Logic verified across 10 scenarios; landing build + typecheck clean.
This commit is contained in:
SnapOtter
2026-07-11 15:00:13 +08:00
committed by GitHub
parent 4963ab3bbd
commit 1bc9fe93ec
1 changed files with 28 additions and 1 deletions
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apps/landing/src/layouts/Base.astro
+28 -1
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@@ -4,7 +4,7 @@ import "@/styles/globals.css";
import { TOOLS } from "@snapotter/shared";
import LaunchBanner from "@/components/LaunchBanner.astro";
import MachineTranslationBanner from "@/components/MachineTranslationBanner.astro";
import { t } from "@/i18n";
import { LANDING_LOCALES, t } from "@/i18n";
import { altLinks, dirFor, ogLocale } from "@/lib/i18n-page";
interface Props {
@@ -43,6 +43,33 @@ const htmlDir = dirFor(locale);
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<!-- Locale recall: send a returning visitor to the language they explicitly picked
(stored on switch in LanguageSwitcher). Render-blocking so there is no flash.
Crawler-safe: bots have no localStorage. Only acts on the default English pages,
and never on the English-only tool-detail pages (which have no localized version),
so it can never redirect to a URL that does not exist. -->
<script
is:inline
define:vars={{
recallCurrent: locale,
recallPath: path,
recallLocales: LANDING_LOCALES.filter((c) => c !== "en"),
}}
>
(function () {
try {
if (recallCurrent !== "en") return;
var stored = localStorage.getItem("snapotter:locale");
if (!stored || recallLocales.indexOf(stored) === -1) return;
var segs = recallPath.split("/").filter(Boolean);
if (segs[0] === "tools" && segs.length === 3) return;
var target = "/" + stored + (recallPath === "/" ? "/" : recallPath);
if (target.charAt(target.length - 1) !== "/") target += "/";
location.replace(target + location.search + location.hash);
} catch (e) {}
})();
</script>
<!-- TEMP: 2.0 launch banner dismissal. Render-blocking so a returning visitor
who closed the banner never sees it flash. Remove with the banner. -->
<script is:inline>