Refactor code structure for improved readability and maintainability

scripts/i18n-utils.cjs

@@ -0,0 +1,32 @@
+const fs = require('fs');
+const path = require('path');
+const vm = require('vm');
+
+const localeDir = path.join(__dirname, '..', 'webapp', 'src', 'lib', 'i18n', 'locales');
+
+function readLocale(fileName, variableName) {
+  let code = fs.readFileSync(path.join(localeDir, fileName), 'utf8');
+  code = code
+    .replace(/const (\w+): Record<string, string> =/g, 'const $1 =')
+    .replace(/export default \w+;\s*$/m, '');
+  code += `\nresult = ${variableName};`;
+  const sandbox = { result: null };
+  vm.createContext(sandbox);
+  vm.runInContext(code, sandbox, { filename: fileName });
+  return sandbox.result;
+}
+
+function writeLocale(fileName, variableName, table, header) {
+  const body = JSON.stringify(table, null, 2);
+  fs.writeFileSync(
+    path.join(localeDir, fileName),
+    `${header}\nconst ${variableName}: Record<string, string> = ${body};\n\nexport default ${variableName};\n`,
+    'utf8'
+  );
+}
+
+module.exports = {
+  localeDir,
+  readLocale,
+  writeLocale,
+};

scripts/i18n-validate.cjs

@@ -0,0 +1,42 @@
+const { readLocale } = require('./i18n-utils.cjs');
+
+const localeFiles = [
+  ['en', 'en.ts', 'en'],
+  ['zh-CN', 'zh-CN.ts', 'zhCN'],
+  ['zh-TW', 'zh-TW.ts', 'zhTW'],
+  ['ru', 'ru.ts', 'ru'],
+];
+
+const locales = Object.fromEntries(
+  localeFiles.map(([locale, fileName, variableName]) => [locale, readLocale(fileName, variableName)])
+);
+const base = locales.en;
+const baseKeys = Object.keys(base).sort();
+const placeholderRe = /\{\w+\}/g;
+const errors = [];
+
+for (const [locale, table] of Object.entries(locales)) {
+  const keys = Object.keys(table).sort();
+  const missing = baseKeys.filter((key) => !(key in table));
+  const extra = keys.filter((key) => !baseKeys.includes(key));
+  if (missing.length || extra.length) {
+    errors.push({ locale, missing, extra });
+  }
+
+  for (const key of baseKeys) {
+    const basePlaceholders = Array.from(String(base[key]).matchAll(placeholderRe), (match) => match[0]).sort().join('|');
+    const localePlaceholders = Array.from(String(table[key]).matchAll(placeholderRe), (match) => match[0]).sort().join('|');
+    if (basePlaceholders !== localePlaceholders) {
+      errors.push({ locale, key, basePlaceholders, localePlaceholders });
+    }
+  }
+}
+
+console.log(JSON.stringify({
+  counts: Object.fromEntries(Object.entries(locales).map(([locale, table]) => [locale, Object.keys(table).length])),
+  errors,
+}, null, 2));
+
+if (errors.length) {
+  process.exit(1);
+}