Angular 4 production build throwing errors for HTTP do() and map() functions -


i'm attempting deploy production build of app onto apache server.

i can fine using development build (ng build) when try ng build --prod syntax errors.

i've tested app ng serve --prod --sm=true command , found problem every call http service on services.

for live examples visit www.gamerfinder.net/dev

in console errors 

error typeerror: object doesn't support property or method 'do' vendor.37ef2a1036483bd42043.bundle.js (1,4605)

this happens on page makes http call (which every page except 2 of them).

unfortunatley can't same error show after using ng build --prod --sm (i syntax errors way)

can me fix error? thanks

(as side note: know how can same errors ng serve show on ng build?... make easier show on gamerfinder.net/dev)

edit

i've uploaded source code app at: https://github.com/jamiemac262/gamerfinder

i hope helps :)

in order use rxjs operators, should imported - unless you're importing entire rxjs package, avoided.

there should 

import 'rxjs/add/operator/map';

and/or

import 'rxjs/add/operator/do';

in files use these operators. alternatively, can considered 'core' operators , imported in common place, polyfills.ts.


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