10 years?? You will have to refactor everything and entirely change your toolchain every two years. If you had the misfortune of using some framework, it will

10 years?? You will have to refactor everything and entirely change your toolchain every two years. If you had the misfortune of using some framework, it will no longer be supported by then. No JS application has that kind of longevity, because the entire ecosystem is extremely volatile.