diff --git a/scripts/antlr4.js b/scripts/antlr4.js
index 0506e16e..4bc93f9c 100644
--- a/scripts/antlr4.js
+++ b/scripts/antlr4.js
@@ -1,16 +1,14 @@
-const path = require("path");
-const exec = require("child_process").exec;
-const fs = require("fs");
-const argv = require("yargs-parser")(process.argv.slice(2));
-const inquirer = require("inquirer");
-const chalk = require("chalk");
+const path = require('path');
+const exec = require('child_process').exec;
+const fs = require('fs');
+const argv = require('yargs-parser')(process.argv.slice(2));
+const inquirer = require('inquirer');
+const chalk = require('chalk');
 
-const grammarsPath = path.resolve(__dirname, "../src/grammar");
-const outputPath = path.resolve(__dirname, "../src/lib");
+const grammarsPath = path.resolve(__dirname, '../src/grammar');
+const outputPath = path.resolve(__dirname, '../src/lib');
 
-const languageEntries = fs
-    .readdirSync(grammarsPath)
-    .filter((item) => item !== "impala"); // impala is not support yet.
+const languageEntries = fs.readdirSync(grammarsPath).filter((item) => item !== 'impala'); // impala is not support yet.
 
 const baseCmd = 'antlr4ts -visitor -listener -Xexact-output-dir -o';
 
@@ -18,9 +16,9 @@ function compile(language) {
     const cmd = `${baseCmd} ${outputPath}/${language} ${grammarsPath}/${language}/*.g4`;
 
     console.info(chalk.green(`\nRemoving:`, chalk.gray(`${outputPath}/${language}/*`)));
-    fs.rmdirSync(`${outputPath}/${language}`, { recursive: true })
+    fs.rmSync(`${outputPath}/${language}`, { recursive: true });
 
-    console.info(chalk.green("Executing:"), chalk.gray(cmd));
+    console.info(chalk.green('Executing:'), chalk.gray(cmd));
     exec(cmd, (err) => {
         if (err) {
             console.error(
@@ -38,16 +36,16 @@ function prompt() {
     inquirer
         .prompt([
             {
-                type: "list",
-                name: "language",
-                message: "Which language you want compile (or all languages)",
-                choices: ["All Languages", ...languageEntries],
+                type: 'list',
+                name: 'language',
+                message: 'Which language you want compile (or all languages)',
+                choices: ['All Languages', ...languageEntries],
                 loop: true,
             },
         ])
         .then((result) => {
             const language = result.language;
-            if(language === 'All Languages') {
+            if (language === 'All Languages') {
                 languageEntries.forEach((language) => {
                     compile(language);
                 });
@@ -65,14 +63,12 @@ function main() {
         });
     } else if (argv.lang) {
         // compile single: yarn antlr4 --lang=generic
-        const supportedLanguage = languageEntries.some(
-            (language) => language === argv.lang
-        );
+        const supportedLanguage = languageEntries.some((language) => language === argv.lang);
         if (supportedLanguage) {
             compile(argv.lang);
         } else {
             console.error(
-                chalk.bold.red("\n[Invalid language]:"),
+                chalk.bold.red('\n[Invalid language]:'),
                 chalk.white.underline(`${argv.lang}\n`)
             );
             prompt();