But that analysis is part of the design process on the front end. You don't just 'take' libraries or utilities without evaluating them. And you don't just write

But that analysis is part of the design process on the front end. You don't just 'take' libraries or utilities without evaluating them. And you don't just write bespoke libraries without thinking about the APIs. So do your upfront work, by all means. It isn't an all or nothing decision.