Express Session with TypeScriptRequired PackagesWe’ll need the default “express-session” package from npm: $ npm install -s express-sessionAfter that, because we’re using TypeScript, so: $ typings install -s -g dt~express-sessionNote: You may want to search the typings source before install it with “dt~express-session” or “env~express-session” by: $ typings search express-sessionExtending the “Express.Request” InterfaceBecause
