From d77deb5a063397b2fef2c76ccb0c6c2ceae95d8f Mon Sep 17 00:00:00 2001
From: NishiOwO <nishi@nishi.boats>
Date: Sun, 10 May 2026 01:33:16 +0900
Subject: [PATCH] tiny fix

---
 src/js.c          | 2 +-
 src/js/cmdline.js | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/js.c b/src/js.c
index 098dde7..69eaf76 100644
--- a/src/js.c
+++ b/src/js.c
@@ -31,7 +31,7 @@ static void js_win32_init(void) {
 }
 
 static void js_pmake_subdirectory_main(const char* name) {
-	duk_eval_string(js_ctx, "main();");
+	duk_eval_string(js_ctx, "if(!this.main){\n	console.log(\"No main function was defined!\");\n	process.exit(1);}\nmain();");
 }
 
 static duk_ret_t js_pmake_subdirectory(duk_context* self) {
diff --git a/src/js/cmdline.js b/src/js/cmdline.js
index 7507862..f74e9fb 100644
--- a/src/js/cmdline.js
+++ b/src/js/cmdline.js
@@ -70,6 +70,10 @@ for(var i = 1; i < ARGV.length; i++) {
 	}
 }
 
+if(!this.main) {
+	console.log("No main function was defined!");
+	process.exit(1);
+}
 main();
 
 (function() {