test: add i18n duplicate key check

2026-07-22 15:13:55 +08:00 · 2026-07-09 15:25:36 +08:00
parent ef2ed07c1c
commit af5fbb5282
2 changed files with 98 additions and 0 deletions
@@ -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();