Why do we use @Injectable () decorator , when we can actually inject ...
The @Injectable () decorator has the providedIn metadata option, where you can specify the provider of the decorated service class with the root injector, or with the injector for a specific NgModule. To …
angular - What does @Injectable mean? - Stack Overflow
2019年9月23日 · Injectable () in the service specifies that this service can be injected/used in other components. In short if service has injectable decorator, other components can use that service by …
What is the difference between @Inject and @Injectable in Angular 2 ...
2016年5月19日 · The @Injectable decorator aims to actually set some metadata about which dependencies to inject into the constructor of the associated class. It's a class decorator that doesn't …
node.js - What is Injectable in NestJS? - Stack Overflow
2020年10月14日 · import { Injectable } from '@nestjs/common'; const userMock = [{ account: 'dung', password: '12345678' }]; @Injectable() export class UserService { getUser() { return userMock } } I …
dependency injection - How can I make an Angular service injectable ...
2024年9月11日 · I am trying to create a service in Angular that should only be injectable within a specific module, not accessible outside that module. I have a service MyService that I want to restrict so it …
angular - Component as Injectable? - Stack Overflow
2016年4月8日 · A component is injectable by default @Component() (or @Directive()) includes @Injectable(). Don't expect to get a specific instance of a component injected. This works for …
Angular 19 - Why is a new @Injectable service created each time
2025年1月11日 · The service is marked as @injectable. I then injected the service into a route guard component. The route guard gets an authentication service object from inject (). I expected Angular …
What is the need for @Inject and Injectable in Angular DI?
2017年8月27日 · Angular doesn't use metadata generated by TypeScript when you use @Inject decorator explicitly, that's why you don't need to apply @Injectable if you use @Inject.
When do we need to use @Injectable on our services in Angular2?
2016年12月23日 · The first paragraph sounds like the previous @Injectable documentation, while the second paragraph got it right. Just keep in mind that it is just recommended that we always add the …
Flutter Injectable: inject multiple instances of generic types via ...
2021年8月18日 · Flutter Injectable: inject multiple instances of generic types via annotation Asked 4 years, 4 months ago Modified 1 year, 9 months ago Viewed 1k times