Navigate relative with Angular 2 Router (Version 3)

Question

How to navigate relative from /questions/123/step1 to /questions/123/step2 within a component using Router without string concatenation an

Answer 1

You may use below,

Assumption is questions is loaded into your primary router-outlet

  this.router.navigate([
      '/',
      { 
        outlets: {
          primary: [
              // below may be replaced with different variables
              'questions',
              '123',  
              'step2'
          ]
        }
      }
  ])

Hope this helps!!