From af5fbb52822e73b2d163909483f1d2bfc33e52d4 Mon Sep 17 00:00:00 2001
From: Tyke Chen <190473011+chentyke@users.noreply.github.com>
Date: Thu, 9 Jul 2026 15:21:31 +0800
Subject: [PATCH] test: add i18n duplicate key check

---
 main/manager-web/package.json          |  2 +
 main/manager-web/scripts/check-i18n.js | 96 ++++++++++++++++++++++++++
 2 files changed, 98 insertions(+)
 create mode 100644 main/manager-web/scripts/check-i18n.js

diff --git a/main/manager-web/package.json b/main/manager-web/package.json
index e9f0d65c..a059bdd9 100644
--- a/main/manager-web/package.json
+++ b/main/manager-web/package.json
@@ -4,6 +4,8 @@
   "private": true,
   "scripts": {
     "serve": "vue-cli-service serve",
+    "test": "npm run test:i18n",
+    "test:i18n": "node scripts/check-i18n.js",
     "build": "vue-cli-service build",
     "analyze": "cross-env ANALYZE=true vue-cli-service build"
   },
diff --git a/main/manager-web/scripts/check-i18n.js b/main/manager-web/scripts/check-i18n.js
new file mode 100644
index 00000000..14c82809
--- /dev/null
+++ b/main/manager-web/scripts/check-i18n.js
@@ -0,0 +1,96 @@
+const fs = require('fs');
+const path = require('path');
+
+const rootDir = path.resolve(__dirname, '..');
+const locales = [
+  { name: 'zh_CN', file: 'src/i18n/zh_CN.js' },
+  { name: 'zh_TW', file: 'src/i18n/zh_TW.js' },
+  { name: 'en', file: 'src/i18n/en.js' },
+  { name: 'de', file: 'src/i18n/de.js' },
+  { name: 'vi', file: 'src/i18n/vi.js' },
+  { name: 'pt_BR', file: 'src/i18n/pt_BR.js' },
+];
+
+function readLocale(locale) {
+  const filePath = path.join(rootDir, locale.file);
+  const lines = fs.readFileSync(filePath, 'utf8').split(/\r?\n/);
+  const keys = [];
+  const seen = new Map();
+  const duplicates = [];
+
+  lines.forEach((line, index) => {
+    const match = line.match(/^\s*['"]([^'"]+)['"]\s*:/);
+    if (!match) {
+      return;
+    }
+
+    const key = match[1];
+    keys.push(key);
+    if (!seen.has(key)) {
+      seen.set(key, []);
+    }
+    seen.get(key).push(index + 1);
+  });
+
+  seen.forEach((lineNumbers, key) => {
+    if (lineNumbers.length > 1) {
+      duplicates.push({ key, lineNumbers });
+    }
+  });
+
+  return {
+    ...locale,
+    filePath,
+    keys,
+    keySet: new Set(keys),
+    duplicates,
+  };
+}
+
+function diffKeys(left, right) {
+  return [...left].filter((key) => !right.has(key)).sort();
+}
+
+function formatKeyList(keys) {
+  return keys.length ? keys.map((key) => `    - ${key}`).join('\n') : '';
+}
+
+function main() {
+  const results = locales.map(readLocale);
+  const base = results.find((locale) => locale.name === 'zh_CN');
+  const errors = [];
+
+  results.forEach((locale) => {
+    locale.duplicates.forEach(({ key, lineNumbers }) => {
+      errors.push(
+        `${locale.file} has duplicate key "${key}" on lines ${lineNumbers.join(', ')}`
+      );
+    });
+  });
+
+  results
+    .filter((locale) => locale !== base)
+    .forEach((locale) => {
+      const missing = diffKeys(base.keySet, locale.keySet);
+      const extra = diffKeys(locale.keySet, base.keySet);
+
+      if (missing.length) {
+        errors.push(`${locale.file} is missing keys from ${base.file}:\n${formatKeyList(missing)}`);
+      }
+
+      if (extra.length) {
+        errors.push(`${locale.file} has keys that do not exist in ${base.file}:\n${formatKeyList(extra)}`);
+      }
+    });
+
+  if (errors.length) {
+    console.error(`i18n check failed with ${errors.length} issue(s):`);
+    console.error(errors.join('\n\n'));
+    process.exit(1);
+  }
+
+  const keyCount = base.keySet.size;
+  console.log(`i18n check passed: ${results.length} locale files, ${keyCount} keys each.`);
+}
+
+main();