add ja ts config

.vitepress/config/index.ts

@@ -2,11 +2,13 @@ import { defineConfig } from 'vitepress'
 import { shared } from './shared'
 import { en } from './en'
 import { zh } from './zh'
+import { ja } from './ja'
 
 export default defineConfig({
   ...shared,
   locales: {
     root: { label: 'English', ...en },
-    zh: { label: '简体中文', ...zh }
+    zh: { label: '简体中文', ...zh },
+    ja: { label: '日本語', ...ja }
   }
 })

.vitepress/config/ja.ts

@@ -0,0 +1,106 @@
+import config from '../../package.json'
+import { defineConfig, type DefaultTheme } from 'vitepress'
+
+export const ja = defineConfig({
+  lang: 'ja',
+  description: 'sora-editor は効率的な Android コードエディターです',
+
+  themeConfig: {
+    nav: nav(),
+
+    sidebar: {
+      '/ja/reference/': { base: '/ja/reference/', items: sidebarReference() },
+      '/ja/guide/': { base: '/ja/guide/', items: guideReference() }
+    },
+
+    editLink: {
+      pattern: 'https://github.com/project-sora/sora-editor-docs/edit/main/docs/:path',
+      text: 'GitHub でこのページを編集する'
+    },
+
+    footer: {
+      message: 'LGPL-2.1 ライセンスに基づいてリリース',
+      copyright: `著作権 © 2020-${new Date().getFullYear()} Rosemoe`
+    },
+
+    docFooter: {
+      prev: '前のページ',
+      next: '次のページ'
+    },
+
+    outline: {
+      label: 'ナビゲーション'
+    },
+
+    lastUpdated: {
+      text: '最終更新日',
+      formatOptions: {
+        dateStyle: 'short',
+        timeStyle: 'medium'
+      }
+    },
+
+    langMenuLabel: '言語',
+    returnToTopLabel: 'トップに戻る',
+    sidebarMenuLabel: 'メニュー',
+    darkModeSwitchLabel: 'テーマ',
+    lightModeSwitchTitle: 'ライトモードに切り替える',
+    darkModeSwitchTitle: 'ダークモードに切り替える'
+  }
+})
+
+function nav(): DefaultTheme.NavItem[] {
+  return [
+    {
+      text: 'ガイド',
+      link: '/ja/guide/getting-started',
+      activeMatch: '/ja/guide/'
+    },
+    {
+      text: '参考',
+      link: '/ja/reference/no-implemention',
+      activeMatch: '/ja/reference/'
+    },
+    {
+      text: config.version,
+      items: [
+        {
+          text: 'リリース',
+          link: 'https://github.com/Rosemoe/sora-editor/releases'
+        },
+        {
+          text: '贡献者',
+          link: 'https://github.com/Rosemoe/sora-editor/graphs/contributors'
+        }
+      ]
+    }
+  ]
+}
+
+function guideReference(): DefaultTheme.SidebarItem[] {
+  return [
+    {
+      text: '概要と開始方法',
+      collapsed: false,
+      items: [
+        {
+          text: 'クイックスタート',
+          link: '/getting-started'
+        }
+      ]
+    }
+  ]
+}
+
+function sidebarReference(): DefaultTheme.SidebarItem[] {
+  return [
+    {
+      items: [
+        {
+          text: 'No implemention',
+          link: '/no-implemention'
+        }
+      ]
+    }
+  ]
+}