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https://angular.io/docs/ts/latest/guide/router.html
Add the base element just after the
<head>tag. If theappfolder is the application root, as it is for our application, set thehrefvalue exactly as shown here.
The <base href="/"> tells the Angular router what is the static part of the URL. The router then only modifies the remaining part of the URL.
<head>
<base href="/">
...
</head>
Alternatively add
>= Angular2 RC.6
import {APP_BASE_HREF} from '@angular/common';
@NgModule({
declarations: [AppComponent],
imports: [routing /* or RouterModule */],
providers: [{provide: APP_BASE_HREF, useValue : '/' }]
]);
in your bootstrap.
In older versions the imports had to be like
< Angular2 RC.6
import {APP_BASE_HREF} from '@angular/common';
bootstrap(AppComponent, [
ROUTER_PROVIDERS,
{provide: APP_BASE_HREF, useValue : '/' });
]);
< RC.0
import {provide} from 'angular2/core';
bootstrap(AppComponent, [
ROUTER_PROVIDERS,
provide(APP_BASE_HREF, {useValue : '/' });
]);
< beta.17
import {APP_BASE_HREF} from 'angular2/router';
>= beta.17
import {APP_BASE_HREF} from 'angular2/platform/common';
See also Location and HashLocationStrategy stopped working in beta.16
I had faced similar issue with Angular4 and Jasmine unit tests; below given solution worked for me
Add below import statement
import { APP_BASE_HREF } from '@angular/common';
Add below statement for TestBed configuration:
TestBed.configureTestingModule({
providers: [
{ provide: APP_BASE_HREF, useValue : '/' }
]
})
You can also use hash-based navigation by including the following in app.module.ts
import { LocationStrategy, HashLocationStrategy } from '@angular/common';
and by adding the following to the @NgModule({ ... })
@NgModule({
...
providers: [
ProductService, {
provide: LocationStrategy, useClass: HashLocationStrategy
}
],
...
})
“HashLocationStrategy—A hash sign (#) is added to the URL, and the URL segment after the hash uniquely identifies the route to be used as a web page fragment. This strategy works with all browsers, including the old ones.”
Excerpt From: Yakov Fain Anton Moiseev. “Angular 2 Development with TypeScript.”
Angular 7,8 fix is in app.module.ts
import {APP_BASE_HREF} from '@angular/common';
inside @NgModule add
providers: [{provide: APP_BASE_HREF, useValue: '/'}]
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