When to use viewProviders in Angular – Simplified

I have often seen developers are confused about viewProviders property of the @Componnet decorator.  This post explains to you about the viewProviders option. The viewProviders defines the set of injectable objects that are visible to its view, DOM children. They are not visible to the content children. At the component level, you can provide a service in two ways: Using the providers arrayUsing the viewProviders array. If … Continue reading When to use viewProviders in Angular – Simplified

Do Angular useExisting providers create a new object of service?

Short answer is NO, the useExisting provider use object created by other tokens. Read on, To learn more about such concepts, join a free webinar on Saturday, 20 June 4 PM IST. RSVP here: https://www.meetup.com/Geek97/events/271292371/ In Angular, providers determine how an object of a particular token gets created. That means whether Angular creates a new … Continue reading Do Angular useExisting providers create a new object of service?

Simplifying Different Types of Providers in Angular

An Angular Service provider delivers a runtime version of a dependency value. Therefore, when you inject a service, the Angular injector looks at the providers to create the instance of the service. It is the provider that determines which instance or value should be injected at the runtime in component, pipes, or directives. There are … Continue reading Simplifying Different Types of Providers in Angular