feat: manual i18n sync tool (#52637)

tools/scripts/sync-i18n.ts

@@ -0,0 +1,44 @@
+import { exec } from 'child_process';
+import { readdir, stat } from 'fs/promises';
+import { join } from 'path';
+import { promisify } from 'util';
+
+const asyncExec = promisify(exec);
+
+const loadDirectory = async (path: string): Promise<string[]> => {
+  const files: string[] = [];
+  const status = await stat(path);
+  if (status.isDirectory()) {
+    const filesInDir = await readdir(path);
+    for (const file of filesInDir) {
+      files.push(...(await loadDirectory(join(path, file))));
+    }
+  } else {
+    files.push(path);
+  }
+  return files;
+};
+
+const syncChallenges = async () => {
+  const ignore = ['.markdownlint.yaml', '_meta', 'english'];
+  const basePath = join(process.cwd(), 'curriculum', 'challenges');
+  const allLangs = await readdir(basePath);
+  const filtered = allLangs.filter(lang => !ignore.includes(lang));
+  // these will be paths
+  const english = await loadDirectory(join(basePath, 'english'));
+  for (const path of english) {
+    for (const lang of filtered) {
+      const targetPath = path.replace('english', lang);
+      // we swallow the error here to detect if the file doesn't exist
+      const status = await stat(targetPath).catch(() => null);
+      if (!status) {
+        console.log(`Syncing ${path.split('/english/')[1]}`);
+        await asyncExec(`mkdir -p ${targetPath} && cp ${path} ${targetPath}`);
+      }
+    }
+  }
+};
+
+void (async () => {
+  await syncChallenges();
+})();