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Restoring dynamic canonical URL.

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softsimon 2020-07-19 22:49:06 +07:00
parent 3b380fa4cc
commit b34648389c
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1 changed files with 21 additions and 4 deletions
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25
frontend/src/app/components/app/app.component.ts
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@ -1,5 +1,5 @@
import { Component, HostListener } from '@angular/core'; import { Component, HostListener, OnInit } from '@angular/core';
import { Router } from '@angular/router'; import { Router, NavigationEnd } from '@angular/router';
import { WebsocketService } from '../../services/websocket.service'; import { WebsocketService } from '../../services/websocket.service';
import { StateService } from 'src/app/services/state.service'; import { StateService } from 'src/app/services/state.service';
@ -8,8 +8,7 @@ import { StateService } from 'src/app/services/state.service';
templateUrl: './app.component.html', templateUrl: './app.component.html',
styleUrls: ['./app.component.scss'] styleUrls: ['./app.component.scss']
}) })
export class AppComponent { export class AppComponent implements OnInit {
network = '';
link: HTMLLinkElement; link: HTMLLinkElement;
constructor( constructor(
@ -26,4 +25,22 @@ export class AppComponent {
this.stateService.keyNavigation$.next(event); this.stateService.keyNavigation$.next(event);
} }
ngOnInit() {
this.router.events.subscribe((val) => {
if (val instanceof NavigationEnd) {
this.updateCanonicalUrlElement('https://mempool.space' + location.pathname);
}
});
}
updateCanonicalUrlElement(url: string) {
if (!this.link) {
this.link = window.document.createElement('link');
this.link.setAttribute('rel', 'canonical');
window.document.head.appendChild(this.link);
}
this.link.setAttribute('href', url);
}
} }