Replace additional spread operator usage

Author: neodescis

CHANGELOG.md

@@ -6,7 +6,8 @@
 
 ### 🐞 Bug fixes
 - _...Add new stuff here..._
--
+- Replace additional spread operator (`...`) due to esbuild limitations
+
 ## 24.1.1
 
 ### 🐞 Bug fixes

src/validate_style.min.ts

@@ -75,10 +75,7 @@ validateStyleMin.layoutProperty = wrapCleanErrors(injectValidateSpec(validateLay
 
 function injectValidateSpec(validator: (options: object) => any) {
     return function(options) {
-        return validator({
-            ...options,
-            validateSpec: validate,
-        });
+        return validator(Object.assign({}, options, {validateSpec: validate}));
     };
 }