Package JavaScript Into Desktop App or Desktop executable file software for Windows and Mac

I already have working JavaScript code; now I need it bundled into a proper desktop application that installs cleanly on both Windows and macOS. I am not looking for new features or a redesigned interface—just... (Budget: ₹600 - ₹1500 INR, Jobs: App Development, C++ Programming, Continuous Integration, Desktop Application, Java, JavaScript, Scripting, Software Architecture, Software Development, Software Engineering)