feat: lang codes

Author: vltansky

lib/cli.js

@@ -69,7 +69,9 @@ const onLoad = async (targetDir, version) => {
       type: "autocomplete",
       name: "lang",
       message: "Select language",
-      choices: langs,
+      choices: langs.map((code) => {
+        return { title: code };
+      }),
     },
   ];
 
@@ -79,7 +81,7 @@ const onLoad = async (targetDir, version) => {
     const sourceHTML = await fs.readFile(indexFile, "utf-8");
     const resultHTML = sourceHTML.replace(
       /(<html.*lang=)\"([^"]*)\"/gi,
-      `$1"${lang}"`
+      `$1"${lang || ""}"`
     );
     await fs.writeFile(indexFile, resultHTML);
   } catch (err) {