first prototype of i18n system

src/settings/Settings.tsx

@@ -7,32 +7,50 @@ import {
   List,
   ListItem,
   ListItemButton,
+  ListItemIcon,
   ListItemSecondaryAction,
   ListItemText,
   ListSubheader,
+  NativeSelect,
   Switch,
   Toolbar,
 } from "@suid/material";
 import {
   Close as CloseIcon,
+  Public as PublicIcon,
   Refresh as RefreshIcon,
+  Translate as TranslateIcon,
 } from "@suid/icons-material";
 import { useNavigate } from "@solidjs/router";
 import { Title } from "../material/typography.jsx";
 import { css } from "solid-styled";
 import { useSignedInProfiles } from "../masto/acct.js";
 import { signOut, type Account } from "../accounts/stores.js";
-import { intlFormat } from "date-fns";
+import { format, intlFormat } from "date-fns";
 import { useStore } from "@nanostores/solid";
 import { $settings } from "./stores.js";
 import { useRegisterSW } from "virtual:pwa-register/solid";
+import {
+  autoMatchLangTag,
+  autoMatchRegion,
+  createStringResource,
+  SUPPORTED_LANGS,
+  SUPPORTED_REGIONS,
+  useDateFnLocale,
+} from "../platform/i18n.jsx";
+import { resolveTemplate, translator } from "@solid-primitives/i18n";
 
 const Settings: ParentComponent = () => {
+  const [strings] = createStringResource(
+    (code) => import(`./i18n/${code}.json`),
+  );
+  const t = translator(strings, resolveTemplate);
   const navigate = useNavigate();
   const settings$ = useStore($settings);
   const {
     needRefresh: [needRefresh],
   } = useRegisterSW();
+  const dateFnLocale = useDateFnLocale();
 
   const [profiles] = useSignedInProfiles();
 
@@ -60,7 +78,7 @@ const Settings: ParentComponent = () => {
             <IconButton color="inherit" onClick={[navigate, -1]} disableRipple>
               <CloseIcon />
             </IconButton>
-            <Title>Settings</Title>
+            <Title>{t("Settings")}</Title>
           </Toolbar>
         </AppBar>
       }
@@ -68,16 +86,16 @@ const Settings: ParentComponent = () => {
       <List class="setting-list" use:solid-styled>
         <li>
           <ul>
-            <ListSubheader>Accounts</ListSubheader>
+            <ListSubheader>{t("Accounts")}</ListSubheader>
             <ListItem>
-              <ListItemText>All Notifications</ListItemText>
+              <ListItemText>{t("All Notifications")}</ListItemText>
               <ListItemSecondaryAction>
                 <Switch value={false} />
               </ListItemSecondaryAction>
             </ListItem>
             <Divider />
             <ListItem>
-              <ListItemText>Sign in...</ListItemText>
+              <ListItemText>{t("Sign in...")}</ListItemText>
             </ListItem>
             <Divider />
           </ul>
@@ -101,7 +119,7 @@ const Settings: ParentComponent = () => {
           </For>
         </li>
         <li>
-          <ListSubheader>Reading</ListSubheader>
+          <ListSubheader>{t("Reading")}</ListSubheader>
           <ListItem>
             <ListItemText secondary="Regular">Fonts</ListItemText>
           </ListItem>
@@ -114,8 +132,8 @@ const Settings: ParentComponent = () => {
               )
             }
           >
-            <ListItemText secondary="Tutu will download toots before you scroll to the position.">
-              Prefetch Toots
+            <ListItemText secondary={t("Prefetch Toots.2nd")}>
+              {t("Prefetch Toots")}
             </ListItemText>
             <ListItemSecondaryAction>
               <Switch checked={!settings$().prefetchTootsDisabled} />
@@ -124,24 +142,93 @@ const Settings: ParentComponent = () => {
           <Divider />
         </li>
         <li>
-          <ListSubheader>This Application</ListSubheader>
+          <ListSubheader>{t("This Application")}</ListSubheader>
           <ListItem>
-            <ListItemText secondary="Comformtable tooting experience.">
-              About Tutu
+            <ListItemIcon>
+              <TranslateIcon />
+            </ListItemIcon>
+            <ListItemText>{t("Language")}</ListItemText>
+            <ListItemSecondaryAction>
+              <NativeSelect
+                value={settings$().language || "xauto"}
+                onChange={(e) => {
+                  $settings.setKey(
+                    "language",
+                    e.currentTarget.value === "xauto"
+                      ? undefined
+                      : e.currentTarget.value,
+                  );
+                }}
+              >
+                <option value={"xauto"}>
+                  {t("lang.auto", {
+                    detected: t("lang." + autoMatchLangTag()),
+                  })}
+                </option>
+                <For each={SUPPORTED_LANGS}>
+                  {(code) => <option value={code}>{t("lang." + code)}</option>}
+                </For>
+              </NativeSelect>
+            </ListItemSecondaryAction>
+          </ListItem>
+          <Divider />
+          <ListItem>
+            <ListItemIcon>
+              <PublicIcon />
+            </ListItemIcon>
+            <ListItemText>{t("Region")}</ListItemText>
+            <ListItemSecondaryAction>
+              <NativeSelect
+                value={settings$().region}
+                onChange={(e) => {
+                  $settings.setKey(
+                    "region",
+                    e.currentTarget.value === "xauto"
+                      ? undefined
+                      : e.currentTarget.value,
+                  );
+                }}
+              >
+                <option value={"xauto"}>
+                  {t("region.auto", {
+                    detected: t("region." + autoMatchRegion()),
+                  })}
+                </option>
+                <For each={SUPPORTED_REGIONS}>
+                  {(code) => (
+                    <option value={code}>{t("region." + code)}</option>
+                  )}
+                </For>
+              </NativeSelect>
+            </ListItemSecondaryAction>
+          </ListItem>
+          <Divider />
+          <ListItem>
+            <ListItemText secondary={t("About Tutu.2nd")}>
+              {t("About Tutu")}
             </ListItemText>
           </ListItem>
           <Divider />
           <ListItem>
             <ListItemText
-              secondary={`Using v${import.meta.env.PACKAGE_VERSION} (built on ${intlFormat(import.meta.env.BUILT_AT)}, ${import.meta.env.MODE})`}
+              secondary={t("version", {
+                packageVersion: import.meta.env.PACKAGE_VERSION,
+                builtAt: format(
+                  import.meta.env.BUILT_AT,
+                  t("datefmt") || "yyyy/MM/dd",
+                  { locale: dateFnLocale() },
+                ),
+                buildMode: import.meta.env.MODE,
+              })}
             >
-              {needRefresh()
-                ? "An update is ready, restart the Tutu to apply"
-                : "No updates"}
+              {needRefresh() ? t("updates.ready") : t("updates.no")}
             </ListItemText>
             <Show when={needRefresh()}>
               <ListItemSecondaryAction>
-                <IconButton aria-label="Restart Now" onClick={() => window.location.reload()}>
+                <IconButton
+                  aria-label="Restart Now"
+                  onClick={() => window.location.reload()}
+                >
                   <RefreshIcon />
                 </IconButton>
               </ListItemSecondaryAction>

src/settings/i18n/en.json

@@ -0,0 +1,25 @@
+{
+  "Settings": "Settings",
+  "Accounts": "Accounts",
+  "All Notifications": "All Notifications",
+  "Sign in...": "Sign in...",
+  "Reading": "Reading",
+  "Prefetch Toots": "Prefetch Toots",
+  "Prefetch Toots.2nd": "Tutu will download the toots before you need.",
+  "This Application": "This Application",
+  "About Tutu": "About Tutu",
+  "About Tutu.2nd": "Comfortable tooting experience.",
+  "updates.ready": "An update is ready, restart the Tutu to apply",
+  "updates.no": "No updates",
+  "version": "Using v{{packageVersion}} (built on {{builtAt}}, {{buildMode}})",
+  "Language": "Language",
+  "Region": "Region",
+  "lang.auto": "Auto({{detected}})",
+  "lang.zh-Hans": "中文（简体）",
+  "lang.en": "English",
+  "region.auto": "Auto({{detected}})",
+  "region.en_GB": "Great Britan (English)",
+  "region.en_US": "United States (English)",
+  "region.zh_CN": "China Mainland (Chinese)",
+  "datefmt": "yyyy/MM/dd"
+}

src/settings/i18n/zh-Hans.json

@@ -0,0 +1,25 @@
+{
+  "Settings": "设置",
+  "Accounts": "所有账号",
+  "All Notifications": "所有通知",
+  "Sign in...": "登录新账户...",
+  "Reading": "阅读",
+  "Prefetch Toots": "提前下载嘟文",
+  "Prefetch Toots.2nd": "图图会在你可能需要的时候提前下载嘟文。",
+  "This Application": "本应用",
+  "About Tutu": "关于图图",
+  "About Tutu.2nd": "舒服地刷嘟。",
+  "updates.ready": "更新已准备好，下次开启会启动新版本",
+  "updates.no": "已是最新版本",
+  "version": "正在使用 v{{packageVersion}} ({{builtAt}}构建, {{buildMode}})",
+  "Language": "语言",
+  "Region": "区域",
+  "lang.auto": "自动（{{detected}}）",
+  "lang.zh-Hans": "中文（简体）",
+  "lang.en": "English",
+  "region.auto": "自动（{{detected}}）",
+  "region.en_GB": "英国和苏格兰（英语）",
+  "region.en_US": "美国（英语）",
+  "region.zh_CN": "中国大陆（中文）",
+  "datefmt": "yyyy年MM月dd日"
+}

src/settings/stores.ts

@@ -3,6 +3,8 @@ import { persistentMap } from "@nanostores/persistent";
 type Settings = {
   onGoingOAuth2Process?: string;
   prefetchTootsDisabled?: boolean;
+  language?: string;
+  region?: string;
 };
 
 export const $settings = persistentMap<Settings>(