add internationalization base configuration and internationalize App.tsx

frontend/package.json

@@ -36,10 +36,14 @@
     "codemirror": "^6.0.1",
     "copy-to-clipboard": "^3.3.3",
     "html2canvas": "^1.4.1",
+    "i18next": "^23.13.0",
+    "i18next-browser-languagedetector": "^8.0.0",
+    "i18next-http-backend": "^2.5.2",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "react-dropzone": "^14.2.3",
     "react-hot-toast": "^2.4.1",
+    "react-i18next": "^15.0.1",
     "react-icons": "^4.12.0",
     "react-router-dom": "^6.20.1",
     "tailwind-merge": "^2.0.0",

frontend/public/locales/en/translation.json

@@ -0,0 +1,10 @@
+{
+  "app": {
+    "title": "Screenshot to Code",
+    "errors": {
+      "emptyInstruction": "Please include some instructions for AI on what to update.",
+      "noCurrentVersion": "No current version set. Contact support or open a Github issue.",
+      "invalidHistory": "Version history is invalid. This shouldn't happen. Please contact support or open a Github issue."
+    }
+  }
+}

frontend/public/locales/zh/translation.json

@@ -0,0 +1,10 @@
+{
+  "app": {
+    "title": "截图转代码",
+    "errors": {
+      "emptyInstruction": "请为AI提供一些关于更新内容的指示。",
+      "noCurrentVersion": "未设置当前版本。请联系支持或在Github上开issue。",
+      "invalidHistory": "版本历史无效。这不应该发生。请联系支持或在Github上开issue。"
+    }
+  }
+}

frontend/src/App.tsx

@@ -23,8 +23,11 @@ import DeprecationMessage from "./components/messages/DeprecationMessage";
 import { GenerationSettings } from "./components/settings/GenerationSettings";
 import StartPane from "./components/start-pane/StartPane";
 import { takeScreenshot } from "./lib/takeScreenshot";
+import { useTranslation } from 'react-i18next'; // 导入 useTranslation hook
 
 function App() {
+  const { t } = useTranslation(); // 初始化 useTranslation hook
+
   const {
     // Inputs
     inputMode,
@@ -118,16 +121,14 @@ function App() {
 
   const regenerate = () => {
     if (currentVersion === null) {
-      toast.error(
+      toast.error(t('app.errors.noCurrentVersion'));
-        "No current version set. Please open a Github issue as this shouldn't happen."
-      );
       return;
     }
 
     // Retrieve the previous command
     const previousCommand = appHistory[currentVersion];
     if (previousCommand.type !== "ai_create") {
-      toast.error("Only the first version can be regenerated.");
+      toast.error(t('app.errors.regenerateFirstVersion'));
       return;
     }
 
@@ -189,9 +190,7 @@ function App() {
           setAppHistory((prev) => {
             // Validate parent version
             if (parentVersion === null) {
-              toast.error(
+              toast.error(t('app.errors.noCurrentVersion'));
-                "No parent version set. Contact support or open a Github issue."
-              );
               return prev;
             }
 
@@ -254,14 +253,12 @@ function App() {
     selectedElement?: HTMLElement
   ) {
     if (updateInstruction.trim() === "") {
-      toast.error("Please include some instructions for AI on what to update.");
+      toast.error(t('app.errors.emptyInstruction'));
       return;
     }
 
     if (currentVersion === null) {
-      toast.error(
+      toast.error(t('app.errors.noCurrentVersion'));
-        "No current version set. Contact support or open a Github issue."
-      );
       return;
     }
 
@@ -269,9 +266,7 @@ function App() {
     try {
       historyTree = extractHistoryTree(appHistory, currentVersion);
     } catch {
-      toast.error(
+      toast.error(t('app.errors.invalidHistory'));
-        "Version history is invalid. This shouldn't happen. Please contact support or open a Github issue."
-      );
       return;
     }
 
@@ -365,7 +360,7 @@ function App() {
         <div className="flex grow flex-col gap-y-2 overflow-y-auto border-r border-gray-200 bg-white px-6 dark:bg-zinc-950 dark:text-white">
           {/* Header with access to settings */}
           <div className="flex items-center justify-between mt-10 mb-2">
-            <h1 className="text-2xl ">Screenshot to Code</h1>
+            <h1 className="text-2xl ">{t('app.title')}</h1>
             <SettingsDialog settings={settings} setSettings={setSettings} />
           </div>
 

frontend/src/components/languageSelector/LanguageSelector.css

@@ -0,0 +1,20 @@
+.language-selector-container {
+  display: inline-block;
+}
+
+.language-selector {
+  color: white;
+  background-color: #333;
+  padding: 8px 32px 8px 12px;
+  font-size: 14px;
+  border: 1px solid #444;
+  border-radius: 4px;
+  cursor: pointer;
+  outline: none;
+  transition: all 0.3s ease;
+}
+
+.language-selector:hover, .language-selector:focus {
+  background-color: #444;
+  border-color: #555;
+}

frontend/src/components/languageSelector/LanguageSelector.tsx

@@ -0,0 +1,43 @@
+import React, { useState, useEffect } from 'react';
+import i18n from '../../i18n';
+import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "../ui/select";
+import './LanguageSelector.css';
+
+type Languages = 'en' | 'zh';
+
+const LanguageSelector: React.FC = () => {
+  const getBrowserLanguage = () => {
+    const browserLang = navigator.language.split('-')[0];
+    return (['en', 'zh'].includes(browserLang) ? browserLang : 'en') as Languages;
+  };
+
+  const [selectedLang, setSelectedLang] = useState<Languages>(i18n.language as Languages);
+
+  useEffect(() => {
+    const defaultLang = getBrowserLanguage();
+    if (defaultLang !== i18n.language) {
+      i18n.changeLanguage(defaultLang);
+      setSelectedLang(defaultLang);
+    }
+  }, []);
+
+  const handleLanguageChange = (value: string) => {
+    const nextLang = value as Languages;
+    i18n.changeLanguage(nextLang);
+    setSelectedLang(nextLang);
+  };
+
+  return (
+    <Select onValueChange={handleLanguageChange} value={selectedLang}>
+      <SelectTrigger className="w-[100px]">
+        <SelectValue placeholder="Language" />
+      </SelectTrigger>
+      <SelectContent>
+        <SelectItem value="en">English</SelectItem>
+        <SelectItem value="zh">中文</SelectItem>
+      </SelectContent>
+    </Select>
+  );
+};
+
+export default LanguageSelector;

frontend/src/components/settings/SettingsDialog.tsx

@@ -22,6 +22,7 @@ import {
   AccordionItem,
   AccordionTrigger,
 } from "../ui/accordion";
+import LanguageSelector from "../languageSelector/LanguageSelector";
 
 interface Props {
   settings: Settings;
@@ -131,7 +132,10 @@ function SettingsDialog({ settings, setSettings }: Props) {
               }
             />
           </div>
-
+          <div className="flex items-center justify-between">
+          <Label htmlFor="language-select">Language</Label>
+          <LanguageSelector />
+        </div>
           <Accordion type="single" collapsible className="w-full">
             <AccordionItem value="item-1">
               <AccordionTrigger>Screenshot by URL Config</AccordionTrigger>

frontend/src/i18n.ts

@@ -0,0 +1,18 @@
+import i18n from 'i18next';
+import { initReactI18next } from 'react-i18next';
+import HttpBackend from 'i18next-http-backend';
+import LanguageDetector from 'i18next-browser-languagedetector';
+
+i18n
+  .use(HttpBackend)
+  .use(LanguageDetector)
+  .use(initReactI18next)
+  .init({
+    fallbackLng: 'en',
+    debug: true,
+    interpolation: {
+      escapeValue: false 
+    }
+  });
+
+export default i18n;

frontend/src/main.tsx

@@ -5,6 +5,7 @@ import "./index.css";
 import { Toaster } from "react-hot-toast";
 import EvalsPage from "./components/evals/EvalsPage.tsx";
 import { BrowserRouter as Router, Routes, Route } from "react-router-dom";
+import './i18n';
 
 ReactDOM.createRoot(document.getElementById("root")!).render(
   <React.StrictMode>

frontend/yarn.lock

@@ -420,6 +420,13 @@
   dependencies:
     regenerator-runtime "^0.14.0"
 
+"@babel/runtime@^7.23.2", "@babel/runtime@^7.24.8":
+  version "7.25.0"
+  resolved "https://registry.npmmirror.com/@babel/runtime/-/runtime-7.25.0.tgz#3af9a91c1b739c569d5d80cc917280919c544ecb"
+  integrity sha512-7dRy4DwXwtzBrPbZflqxnvfxLF8kdZXPkhymtDeFoFqE6ldzjQFgYTtYIFARcLEYDrqfBfYcZt1WqFxRoyC9Rw==
+  dependencies:
+    regenerator-runtime "^0.14.0"
+
 "@babel/template@^7.22.15":
   version "7.22.15"
   resolved "https://registry.npmjs.org/@babel/template/-/template-7.22.15.tgz"
@@ -2735,6 +2742,13 @@ crelt@^1.0.5:
   resolved "https://registry.yarnpkg.com/crelt/-/crelt-1.0.6.tgz#7cc898ea74e190fb6ef9dae57f8f81cf7302df72"
   integrity sha512-VQ2MBenTq1fWZUH9DJNGti7kKv6EeAuYr3cLwxUWhIu1baTaXh4Ib5W2CqHVqib4/MqbYGJqiL3Zb8GJZr3l4g==
 
+cross-fetch@4.0.0:
+  version "4.0.0"
+  resolved "https://registry.npmmirror.com/cross-fetch/-/cross-fetch-4.0.0.tgz#f037aef1580bb3a1a35164ea2a848ba81b445983"
+  integrity sha512-e4a5N8lVvuLgAWgnCrLr2PP0YyDOTHa9H/Rj54dirp61qXnNq46m82bRhNqIA5VccJtWBvPTFRV3TtvHUKPB1g==
+  dependencies:
+    node-fetch "^2.6.12"
+
 cross-spawn@^7.0.2, cross-spawn@^7.0.3:
   version "7.0.3"
   resolved "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.3.tgz"
@@ -3563,6 +3577,13 @@ html-minifier-terser@^6.1.0:
     relateurl "^0.2.7"
     terser "^5.10.0"
 
+html-parse-stringify@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.npmmirror.com/html-parse-stringify/-/html-parse-stringify-3.0.1.tgz#dfc1017347ce9f77c8141a507f233040c59c55d2"
+  integrity sha512-KknJ50kTInJ7qIScF3jeaFRpMpE8/lfiTdzf/twXyPBLAGrLRTmkz3AdTnKeh40X8k9L2fdYwEp/42WGXIRGcg==
+  dependencies:
+    void-elements "3.1.0"
+
 html2canvas@^1.4.1:
   version "1.4.1"
   resolved "https://registry.npmjs.org/html2canvas/-/html2canvas-1.4.1.tgz#7cef1888311b5011d507794a066041b14669a543"
@@ -3597,6 +3618,27 @@ human-signals@^5.0.0:
   resolved "https://registry.yarnpkg.com/human-signals/-/human-signals-5.0.0.tgz#42665a284f9ae0dade3ba41ebc37eb4b852f3a28"
   integrity sha512-AXcZb6vzzrFAUE61HnN4mpLqd/cSIwNQjtNWR0euPm6y0iqx3G4gOXaIDdtdDwZmhwe82LA6+zinmW4UBWVePQ==
 
+i18next-browser-languagedetector@^8.0.0:
+  version "8.0.0"
+  resolved "https://registry.npmmirror.com/i18next-browser-languagedetector/-/i18next-browser-languagedetector-8.0.0.tgz#b6fdd9b43af67c47f2c26c9ba27710a1eaf31e2f"
+  integrity sha512-zhXdJXTTCoG39QsrOCiOabnWj2jecouOqbchu3EfhtSHxIB5Uugnm9JaizenOy39h7ne3+fLikIjeW88+rgszw==
+  dependencies:
+    "@babel/runtime" "^7.23.2"
+
+i18next-http-backend@^2.5.2:
+  version "2.5.2"
+  resolved "https://registry.npmmirror.com/i18next-http-backend/-/i18next-http-backend-2.5.2.tgz#3d846cc239987fe7700d1cf0f17975807bfd25d3"
+  integrity sha512-+K8HbDfrvc1/2X8jpb7RLhI9ZxBDpx3xogYkQwGKlWAUXLSEGXzgdt3EcUjLlBCdMwdQY+K+EUF6oh8oB6rwHw==
+  dependencies:
+    cross-fetch "4.0.0"
+
+i18next@^23.13.0:
+  version "23.13.0"
+  resolved "https://registry.npmmirror.com/i18next/-/i18next-23.13.0.tgz#d3cba6c5611b9826ff988f97a4929638a91875f6"
+  integrity sha512-B+g0/KTKmN3+NeMKPljQxdrih6Q6lyDF5O2e/Ofd0JQsTLojJD/BSTTN04iw6OVc0yBiHeypu5hoBNV6ag44Zw==
+  dependencies:
+    "@babel/runtime" "^7.23.2"
+
 ieee754@^1.1.13, ieee754@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.2.1.tgz#8eb7a10a63fff25d15a57b001586d177d1b0d352"
@@ -4459,6 +4501,13 @@ no-case@^3.0.4:
     lower-case "^2.0.2"
     tslib "^2.0.3"
 
+node-fetch@^2.6.12:
+  version "2.7.0"
+  resolved "https://registry.npmmirror.com/node-fetch/-/node-fetch-2.7.0.tgz#d0f0fa6e3e2dc1d27efcd8ad99d550bda94d187d"
+  integrity sha512-c4FRfUm/dbcWZ7U+1Wq0AwCyFL+3nt2bEw05wfxSz+DWpWsitgmSgYmy2dQdWyKC1694ELPqMs/YzUSNozLt8A==
+  dependencies:
+    whatwg-url "^5.0.0"
+
 node-html-parser@^5.3.3:
   version "5.4.2"
   resolved "https://registry.yarnpkg.com/node-html-parser/-/node-html-parser-5.4.2.tgz#93e004038c17af80226c942336990a0eaed8136a"
@@ -4948,6 +4997,14 @@ react-hot-toast@^2.4.1:
   dependencies:
     goober "^2.1.10"
 
+react-i18next@^15.0.1:
+  version "15.0.1"
+  resolved "https://registry.npmmirror.com/react-i18next/-/react-i18next-15.0.1.tgz#fc662d93829ecb39683fe2757a47ebfbc5c912a0"
+  integrity sha512-NwxLqNM6CLbeGA9xPsjits0EnXdKgCRSS6cgkgOdNcPXqL+1fYNl8fBg1wmnnHvFy812Bt4IWTPE9zjoPmFj3w==
+  dependencies:
+    "@babel/runtime" "^7.24.8"
+    html-parse-stringify "^3.0.1"
+
 react-icons@^4.12.0:
   version "4.12.0"
   resolved "https://registry.npmjs.org/react-icons/-/react-icons-4.12.0.tgz"
@@ -5528,6 +5585,11 @@ toggle-selection@^1.0.6:
   resolved "https://registry.npmjs.org/toggle-selection/-/toggle-selection-1.0.6.tgz#6e45b1263f2017fa0acc7d89d78b15b8bf77da32"
   integrity sha512-BiZS+C1OS8g/q2RRbJmy59xpyghNBqrr6k5L/uKBGRsTfxmu3ffiRnd8mlGPUVayg8pvfi5urfnu8TU7DVOkLQ==
 
+tr46@~0.0.3:
+  version "0.0.3"
+  resolved "https://registry.npmmirror.com/tr46/-/tr46-0.0.3.tgz#8184fd347dac9cdc185992f3a6622e14b9d9ab6a"
+  integrity sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw==
+
 ts-api-utils@^1.0.1:
   version "1.0.3"
   resolved "https://registry.npmjs.org/ts-api-utils/-/ts-api-utils-1.0.3.tgz"
@@ -5769,6 +5831,11 @@ vitest@^1.0.1:
     vite-node "1.0.1"
     why-is-node-running "^2.2.2"
 
+void-elements@3.1.0:
+  version "3.1.0"
+  resolved "https://registry.npmmirror.com/void-elements/-/void-elements-3.1.0.tgz#614f7fbf8d801f0bb5f0661f5b2f5785750e4f09"
+  integrity sha512-Dhxzh5HZuiHQhbvTW9AMetFfBHDMYpo23Uo9btPXgdYP+3T5S+p+jgNy7spra+veYhBP2dCSgxR/i2Y02h5/6w==
+
 vscode-jsonrpc@6.0.0:
   version "6.0.0"
   resolved "https://registry.npmjs.org/vscode-jsonrpc/-/vscode-jsonrpc-6.0.0.tgz"
@@ -5825,6 +5892,11 @@ walker@^1.0.8:
   dependencies:
     makeerror "1.0.12"
 
+webidl-conversions@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.npmmirror.com/webidl-conversions/-/webidl-conversions-3.0.1.tgz#24534275e2a7bc6be7bc86611cc16ae0a5654871"
+  integrity sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ==
+
 webm-duration-fix@^1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/webm-duration-fix/-/webm-duration-fix-1.0.4.tgz#fef235cb3d3ed3363507f705a7577dbb9fdedae6"
@@ -5835,6 +5907,14 @@ webm-duration-fix@^1.0.4:
     events "^3.3.0"
     int64-buffer "^1.0.1"
 
+whatwg-url@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.npmmirror.com/whatwg-url/-/whatwg-url-5.0.0.tgz#966454e8765462e37644d3626f6742ce8b70965d"
+  integrity sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==
+  dependencies:
+    tr46 "~0.0.3"
+    webidl-conversions "^3.0.0"
+
 which@^2.0.1:
   version "2.0.2"
   resolved "https://registry.npmjs.org/which/-/which-2.0.2.tgz"