Remove unused translations from multiple locale files

scripts/check-unused-i18n.js

@@ -0,0 +1,86 @@
+import fs from 'fs';
+import path from 'path';
+import { fileURLToPath } from 'url';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+
+const LOCALES_DIR = path.resolve(__dirname, '../src/locales');
+const SRC_DIRS = [
+  path.resolve(__dirname, '../src'),
+  path.resolve(__dirname, '../src-tauri')
+];
+const exts = ['.js', '.ts', '.tsx', '.jsx', '.vue', '.rs'];
+
+// 递归获取所有文件
+function getAllFiles(dir, exts) {
+  let files = [];
+  fs.readdirSync(dir).forEach(file => {
+    const full = path.join(dir, file);
+    if (fs.statSync(full).isDirectory()) {
+      files = files.concat(getAllFiles(full, exts));
+    } else if (exts.includes(path.extname(full))) {
+      files.push(full);
+    }
+  });
+  return files;
+}
+
+// 读取所有源码内容为一个大字符串
+function getAllSourceContent() {
+  const files = SRC_DIRS.flatMap(dir => getAllFiles(dir, exts));
+  return files.map(f => fs.readFileSync(f, 'utf8')).join('\n');
+}
+
+// 主流程
+function processI18nFile(i18nPath, lang, allSource) {
+  const i18n = JSON.parse(fs.readFileSync(i18nPath, 'utf8'));
+  const keys = Object.keys(i18n);
+
+  const used = {};
+  const unused = [];
+
+  let checked = 0;
+  const total = keys.length;
+  keys.forEach(key => {
+    // 只查找一次
+    const regex = new RegExp(`["'\`]${key}["'\`]`);
+    if (regex.test(allSource)) {
+      used[key] = i18n[key];
+    } else {
+      unused.push(key);
+    }
+    checked++;
+    if (checked % 20 === 0 || checked === total) {
+      const percent = ((checked / total) * 100).toFixed(1);
+      process.stdout.write(`\r[${lang}] Progress: ${checked}/${total} (${percent}%)`);
+      if (checked === total) process.stdout.write('\n');
+    }
+  });
+
+  // 输出未使用的 key
+  console.log(`\n[${lang}] Unused keys:`, unused);
+
+  // 备份原文件
+  const oldPath = i18nPath + '.old';
+  fs.renameSync(i18nPath, oldPath);
+
+  // 写入精简后的 i18n 文件（保留原文件名）
+  fs.writeFileSync(i18nPath, JSON.stringify(used, null, 2), 'utf8');
+  console.log(`[${lang}] Cleaned i18n file written to src/locales/${path.basename(i18nPath)}`);
+  console.log(`[${lang}] Original file backed up as ${path.basename(oldPath)}`);
+}
+
+function main() {
+  // 支持 zhtw.json、zh-tw.json、zh_CN.json 等
+  const files = fs.readdirSync(LOCALES_DIR).filter(f =>
+    /^[a-z0-9\-_]+\.json$/i.test(f) && !f.endsWith('.old')
+  );
+  const allSource = getAllSourceContent();
+  files.forEach(file => {
+    const lang = path.basename(file, '.json');
+    processI18nFile(path.join(LOCALES_DIR, file), lang, allSource);
+  });
+}
+
+main();