Fix segfault in release mode when module list is empty

1 files changed, 13 insertions, 0 deletions

diff --git a/src/bundler/generate_node_modules_bundle.zig b/src/bundler/generate_node_modules_bundle.zig
index b1a8d5b40..b302e984e 100644
--- a/src/bundler/generate_node_modules_bundle.zig
+++ b/src/bundler/generate_node_modules_bundle.zig
@@ -675,6 +675,19 @@ pub fn generate(
         return null;
     }
 
+    if (this.module_list.items.len == 0) {
+        tmpfile.closeAndDelete(std.mem.span(tmpname));
+        Output.prettyErrorln(
+            \\<r><red>error<r>: no dependencies to bundle!
+            \\
+            \\"bun bun" currently only bundles dependencies in node_modules. 
+            \\
+        ,
+            .{},
+        );
+        Global.crash();
+    }
+
     if (include_refresh_runtime and refresh_runtime_module_id > 0) {
         var refresh_runtime_injector_buf: [1024]u8 = undefined;
         var fixed_buffer = std.io.fixedBufferStream(&refresh_runtime_injector_buf);