executing resolver on demand in angular 5

Question

I am working on an angular app which I recently converted into angular 5 from angular 4.2( although I am not using any feature of angular 5 yet).

I need to execute an resolver on a particular route on demand ( from the code when a certain condition met). for example

if ( a === b) {
     //execute resolver
  }

I am not sure, what is the right way of doing that as resolver is a class just like any other typescript class.

So I'm assuming you need a condition when you first go to the route, or is it after you have arrived at the route? — BSchnitzel
– BSchnitzel, Commented Apr 10, 2018 at 19:51
I need a condition when I go first to the route. your assumption is right. — Akash
– Akash, Commented Apr 10, 2018 at 20:07

BSchnitzel · Accepted Answer · 2018-04-10 20:17:32Z

1

I'll give it a shot. Just a generalization since you haven't posted any actual code. I used a simple ternary to get a task done earlier this year

app.module.ts provider excerpt of Resolver

  {
        provide: 'conditionResolver', useValue: (route: ActivatedRouteSnapshot, state: RouterStateSnapshot) => {
            //Something like this
            window.open((route.data as any).otherUrl);
        }
    }

app.router.ts route excerpt of Implementation

    path: 'SomeComponentURL', component: SomeComponent, resolve: {
        url: 'conditionResolver'
    },
    data: {
        condition: (someCondition != '#/SomeComponent')
            ? 'doSomething()' : orDoSomethingElse()
    }

answered Apr 10, 2018 at 20:17

BSchnitzel

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1 Comment

Akash Over a year ago

Thanks. I actually end-up doing by updating my route config and putting an condition in the resolver resolve method itself. +1 for another approach.

Akash · Accepted Answer · 2018-04-14 01:05:12Z

1

I actually end-up doing by updating my route config and putting an condition in the resolver's resolve method itself.

answered Apr 14, 2018 at 1:05

Akash

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