Hi all,
I'm trying to understand the advantages of making use of interfaces in
typescript/angular2.
For Example I can have a Logon component which depend on a LoginService.
class LogonComponent{
constructor(service: LogonService)
{
}
}
In order to mock the logon service I can simply use another class
'MockService' that implements all the members of 'LogonService'
var lg = new LogonComponent( new MockService());
So, why I should create an interface 'ILoginService (which LoginService and
MockLoginService implement) and then have the LogonComponent require an
ILoginService?
Massimiliano
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