angular - Angular2 rc3: Error when injecting services in constructor (Cannot resolve parameters' types) -

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i have constructor in authguard class:

@injectable() export class authguard implements canactivate {     constructor(         private ribbonservice: ribbonservice,         private checksessionservice: checksessionservice,         private router: router) { }      // etc }

when build fine following error when accessing through browser:

reflective_provider.js:233 uncaught cannot resolve parameters 'authguard'(undefined, checksessionservice, router).  make sure parameters decorated inject or have valid type annotations , 'authguard' decorated injectable.

i don't understand why happens first service , not second. thought problem inheritance cause first service extending baseservice made second service extend baseservice , works, problematic 1 first one....

note i've tried adding @inject decorator each param result it's same.

thanks before hand!!

ribbonservice (or 1 of dependencies) not imported or provided correctly.


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