handle undefined request body gracefully

[stuikomma]

I'm getting the exception:

TypeError: Object.keys called on non-object
at Function.keys (native)
at Object.request.add ([...]\node_modules\express-debug\lib\request.js:11:33)
at ServerResponse.send ([...]\node_modules\express-debug\lib\response.js:122:21)
at module.exports ([...]\routes\share.js:10:23)
at Layer.handle as handle_request
at next ([...]\node_modules\express\lib\router\route.js:110:13)
at Route.dispatch ([...]\node_modules\express\lib\router\route.js:91:3)
at Layer.handle as handle_request
at [...]\node_modules\express\lib\router\index.js:267:22
at Function.proto.process_params ([...]\node_modules\express\lib\router\index.js:321:12)
at next ([...]\node_modules\express\lib\router\index.js:261:10)
at checkSession ([...]\src\server\urlSessions.js:48:14)
at module.exports.middleware ([...]\src\server\urlSessions.js:21:14)
at Layer.handle as handle_request
at trim_prefix ([...]\node_modules\express\lib\router\index.js:302:13)
at [...]\node_modules\express\lib\router\index.js:270:7
at Function.proto.process_params ([...]\node_modules\express\lib\router\index.js:321:12)
at next ([...]\node_modules\express\lib\router\index.js:261:10)
at cookieParser ([...]\node_modules\cookie-parser\index.js:48:5)
at Layer.handle as handle_request
at trim_prefix ([...]\node_modules\express\lib\router\index.js:302:13)
at [...]\node_modules\express\lib\router\index.js:270:7
at Function.proto.process_params ([...]\node_modules\express\lib\router\index.js:321:12)
at next ([...]\node_modules\express\lib\router\index.js:261:10)
at logger ([...]\node_modules\morgan\index.js:136:5)
at Layer.handle as handle_request
at trim_prefix ([...]\node_modules\express\lib\router\index.js:302:13)
at [...]\node_modules\express\lib\router\index.js:270:7
at Function.proto.process_params ([...]\node_modules\express\lib\router\index.js:321:12)
at next ([...]\node_modules\express\lib\router\index.js:261:10)
at SendStream.error ([...]\node_modules\express\node_modules\serve-static\index.js:106:7)
at SendStream.emit (events.js:95:17)
at SendStream.error ([...]\node_modules\express\node_modules\send\index.js:244:17)
at SendStream.onStatError ([...]\node_modules\express\node_modules\send\index.js:340:48)
at next ([...]\node_modules\express\node_modules\send\index.js:591:16)
at onstat ([...]\node_modules\express\node_modules\send\index.js:580:14)
at Object.oncomplete (fs.js:107:15)

This happens because req.body is undefined in request.js:11. Writing req.body !== undefined ? Object.keys(req.body).length ? req.body : req.rawBody : req.rawBody, solves this.