From 55379f3cf5a88ae7682d2a9d1a08a509e73c1263 Mon Sep 17 00:00:00 2001
From: hayden <hayden9653@gmail.com>
Date: Thu, 16 Nov 2023 20:35:44 +0800
Subject: [PATCH] build: fix antlr4 script

---
 scripts/antlr4.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/scripts/antlr4.js b/scripts/antlr4.js
index 4bc93f9..11c9c76 100644
--- a/scripts/antlr4.js
+++ b/scripts/antlr4.js
@@ -15,8 +15,10 @@ const baseCmd = 'antlr4ts -visitor -listener -Xexact-output-dir -o';
 function compile(language) {
     const cmd = `${baseCmd} ${outputPath}/${language} ${grammarsPath}/${language}/*.g4`;
 
-    console.info(chalk.green(`\nRemoving:`, chalk.gray(`${outputPath}/${language}/*`)));
-    fs.rmSync(`${outputPath}/${language}`, { recursive: true });
+    if (fs.existsSync(`${outputPath}/${language}`)) {
+        console.info(chalk.green(`\nRemoving:`, chalk.gray(`${outputPath}/${language}/*`)));
+        fs.rmSync(`${outputPath}/${language}`, { recursive: true });
+    }
 
     console.info(chalk.green('Executing:'), chalk.gray(cmd));
     exec(cmd, (err) => {