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Ionic 5 was announced a few hours ago (12th Feb 2020) and I upgraded my one of the small production app to Ionic 5 along with Angular 9: # To update to Ionic 5 npm install @ionic/[email protected] @ionic/[email protected] --save-exact --save# To update to ...

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I have service which returns an observable which does an http request to my server and gets the data. I want to use this data but I always end up getting undefined. What’s the problem? Service: @Injectable() export class EventService {constructor(private http: ...

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When wanting to mock external modules with Jest, we can use the jest.mock() method to auto-mock functions on a module. We can then manipulate and interrogate the mocked functions on our mocked module as we wish. For example, consider the following contrived example for ...

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