Using the TypeScript type system to validate Express handlers

[cloudify]

http://federicoferoldi.com/2017/12/28/using-the-typescript-type-system-to-validate-express-handlers.html

[moocowtruck]

I closed it at IResponse, IResponseJson, IResponseOkJson, IResponseNotFound, IResponseOk

[cloudify → moocowtruck]

hi there, author here, love to hear your feedback about the approach!