@angular/router

TitleStrategy

Class

Provides a strategy for setting the page title after a router navigation.

API

  
    abstract class TitleStrategy {}

updateTitle

void

Performs the application title update.

@paramsnapshotRouterStateSnapshot

@returnsvoid

buildTitle

string | undefined

@paramsnapshotRouterStateSnapshot

@returnsstring | undefined

getResolvedTitleForRoute

any

Given an ActivatedRouteSnapshot, returns the final value of the Route.title property, which can either be a static string or a resolved value.

@paramsnapshotActivatedRouteSnapshot

@returnsany

Description

Provides a strategy for setting the page title after a router navigation.

The built-in implementation traverses the router state snapshot and finds the deepest primary outlet with title property. Given the Routes below, navigating to /base/child(popup:aux) would result in the document title being set to "child".

          [  {path: 'base', title: 'base', children: [    {path: 'child', title: 'child'},  ],  {path: 'aux', outlet: 'popup', title: 'popupTitle'}]

This class can be used as a base class for custom title strategies. That is, you can create your own class that extends the TitleStrategy. Note that in the above example, the title from the named outlet is never used. However, a custom strategy might be implemented to incorporate titles in named outlets.