Fixes #14464 (#14473)

src/bun.js/bindings/bindings.zig

@@ -6510,6 +6510,10 @@ pub const CallFrame = opaque {
             pub inline fn slice(self: *const @This()) []const JSValue {
                 return self.ptr[0..self.len];
             }
+
+            pub inline fn all(self: *const @This()) []const JSValue {
+                return self.ptr[0..];
+            }
         };
     }
 

src/css/values/color_js.zig

@@ -146,9 +146,9 @@ pub const Ansi256 = struct {
 };
 
 pub fn jsFunctionColor(globalThis: *JSC.JSGlobalObject, callFrame: *JSC.CallFrame) callconv(JSC.conv) JSC.JSValue {
-    const args = callFrame.arguments(2).slice();
-    if (args.len < 1 or args[0].isUndefined()) {
-        globalThis.throwNotEnoughArguments("Bun.color", 2, args.len);
+    const args = callFrame.argumentsUndef(2).all();
+    if (args[0].isUndefined()) {
+        globalThis.throwInvalidArgumentType("color", "input", "string, number, or object");
         return JSC.JSValue.jsUndefined();
     }
 

test/js/bun/css/color.test.ts

@@ -180,6 +180,7 @@ const bad = [
 ];
 test.each(bad)("color(%s, 'css') === null", input => {
   expect(color(input, "css")).toBeNull();
+  expect(color(input)).toBeNull();
 });
 
 const weird = [
@@ -189,9 +190,18 @@ const weird = [
 describe("weird", () => {
   test.each(weird)("color(%s, 'css') === %s", (input, expected) => {
     expect(color(input, "css")).toEqual(expected);
+    expect(color(input)).toEqual(expected);
   });
 });
 
+test("0 args", () => {
+  expect(() => color()).toThrow(
+    expect.objectContaining({
+      code: "ERR_INVALID_ARG_TYPE",
+    }),
+  );
+});
+
 test("fuzz ansi256", () => {
   withoutAggressiveGC(() => {
     for (let i = 0; i < 256; i++) {