Fix `process.argv` with standalone

2 files changed, 20 insertions, 7 deletions

diff --git a/src/bun.js/node/types.zig b/src/bun.js/node/types.zig
index dacb9540c..97098391e 100644
--- a/src/bun.js/node/types.zig
+++ b/src/bun.js/node/types.zig
@@ -1988,13 +1988,19 @@ pub const Process = struct {
         var args_list = std.ArrayListUnmanaged(JSC.ZigString){ .items = args, .capacity = args.len };
         args_list.items.len = 0;
 
-        // get the bun executable
-        // without paying the cost of a syscall to resolve the full path
-        args_list.appendAssumeCapacity(
-            JSC.ZigString.init(
-                std.fs.selfExePathAlloc(allocator) catch "bun",
-            ).withEncoding(),
-        );
+        if (vm.standalone_module_graph != null) {
+            // Don't break user's code because they did process.argv.slice(2)
+            // Even if they didn't type "bun", we still want to add it
+            args_list.appendAssumeCapacity(
+                JSC.ZigString.init("bun"),
+            );
+        } else {
+            args_list.appendAssumeCapacity(
+                JSC.ZigString.init(
+                    std.fs.selfExePathAlloc(allocator) catch "bun",
+                ).withEncoding(),
+            );
+        }
 
         if (vm.main.len > 0)
             args_list.appendAssumeCapacity(JSC.ZigString.init(vm.main).withEncoding());
diff --git a/src/cli.zig b/src/cli.zig
index 621f54fd2..3b1f7e305 100644
--- a/src/cli.zig
+++ b/src/cli.zig
@@ -1114,6 +1114,13 @@ pub const Command = struct {
             };
 
             ctx.args.target = Api.Target.bun;
+            var argv = try bun.default_allocator.alloc(string, std.os.argv.len -| 1);
+            if (std.os.argv.len > 1) {
+                for (argv, std.os.argv[1..]) |*dest, src| {
+                    dest.* = bun.span(src);
+                }
+            }
+            ctx.passthrough = argv;
 
             try @import("./bun_js.zig").Run.bootStandalone(
                 ctx,