enhance(l10n): localize en-US link title

build/flaws/broken-links.ts

@@ -11,6 +11,7 @@ import { isValidLocale } from "../../libs/locale-utils/index.js";
 import * as cheerio from "cheerio";
 import { Doc } from "../../libs/types/document.js";
 import { Flaw } from "./index.js";
+import { ONLY_AVAILABLE_IN_ENGLISH } from "../../libs/l10n/l10n.js";
 
 const _safeToHttpsDomains = new Map();
 
@@ -50,13 +51,14 @@ function mutateLink(
   if (isSelfLink) {
     $element.attr("aria-current", "page");
   } else if (enUSFallback) {
+    const locale = $element.attr("href").match(/^\/([^/]+)\//)[1];
     // If we have an English (US) fallback, then we use this first.
     // As we still suggest the translated version even if we only
     // have an English (US) version.
     $element.attr("href", enUSFallback);
     $element.append(` <small>(${DEFAULT_LOCALE})<small>`);
     $element.addClass("only-in-en-us");
-    $element.attr("title", "Currently only available in English (US)");
+    $element.attr("title", ONLY_AVAILABLE_IN_ENGLISH(locale));
   } else if (suggestion) {
     $element.attr("href", suggestion);
   } else {

kumascript/src/api/web.ts

@@ -5,10 +5,13 @@
 
 import { CONTENT_ROOT } from "../../../libs/env/index.js";
 import { KumaThis } from "../environment.js";
+import { DEFAULT_LOCALE } from "../../../libs/constants/index.js";
+import { ONLY_AVAILABLE_IN_ENGLISH } from "../../../libs/l10n/l10n.js";
 
 const DUMMY_BASE_URL = "https://example.com";
 
 const _warned = new Map();
+
 // The purpose of this function is to make sure `console.warn` is only called once
 // per 'macro' per 'href'.
 // There are some macros that use `smartLink` within themselves and these macros
@@ -152,9 +155,11 @@
           )}"`;
         }
         content ??= enUSPage.short_title ?? enUSPage.title;
+        const title = ONLY_AVAILABLE_IN_ENGLISH(this.env.locale);
+
         return (
           '<a class="only-in-en-us" ' +
-          'title="Currently only available in English (US)" ' +
+          `title="${title}" ` +
           `href="${enUSPage.url}"${flawAttribute}>${content} <small>(en-US)</small></a>`
         );
       }

libs/l10n/l10n.ts

@@ -0,0 +1,30 @@
+type Locale =
+  | "en-US"
+  | "es"
+  | "fr"
+  | "ja"
+  | "ko"
+  | "pt-BR"
+  | "ru"
+  | "zh-CN"
+  | "zh-TW";
+type TranslatedLocale = Exclude<Locale, "en-US">;
+type Strings = {
+  "en-US": string;
+} & Record<TranslatedLocale, string>;
+
+function localString(strings: Strings) {
+  return (locale: string) => strings[locale] ?? strings["en-US"];
+}
+
+export const ONLY_AVAILABLE_IN_ENGLISH = localString({
+  "en-US": "This page is currently only available in English.",
+  es: "Esta página está disponible solo en inglés.",
+  fr: "Cette page est actuellement disponible uniquement en anglais.",
+  ja: "このページは現在、英語のみで利用可能です。",
+  ko: "이 페이지는 현재 영어로만 제공됩니다.",
+  "pt-BR": "Esta página está disponível apenas em inglês no momento.",
+  ru: "Эта страница в настоящее время доступна только на английском.",
+  "zh-CN": "此页面目前仅提供英文版本。",
+  "zh-TW": "此頁面目前僅提供英文版本。",
+});