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authentik/web/src/elements/router/RouterOutlet.ts

124 lines
4.1 KiB
TypeScript

import { ROUTE_SEPARATOR } from "@goauthentik/common/constants";
import { AKElement } from "@goauthentik/elements/Base";
import { Route } from "@goauthentik/elements/router/Route";
import { RouteMatch } from "@goauthentik/elements/router/RouteMatch";
import "@goauthentik/elements/router/Router404";
import { CSSResult, TemplateResult, css, html } from "lit";
import { customElement, property } from "lit/decorators.js";
import AKGlobal from "@goauthentik/common/styles/authentik.css";
// Poliyfill for hashchange.newURL,
// https://developer.mozilla.org/en-US/docs/Web/API/WindowEventHandlers/onhashchange
window.addEventListener("load", () => {
if (!window.HashChangeEvent)
(function () {
let lastURL = document.URL;
window.addEventListener("hashchange", function (event) {
Object.defineProperty(event, "oldURL", {
enumerable: true,
configurable: true,
value: lastURL,
});
Object.defineProperty(event, "newURL", {
enumerable: true,
configurable: true,
value: document.URL,
});
lastURL = document.URL;
});
})();
});
export function paramURL(url: string, params?: { [key: string]: unknown }): string {
let finalUrl = "#";
finalUrl += url;
if (params) {
finalUrl += ";";
finalUrl += encodeURIComponent(JSON.stringify(params));
}
return finalUrl;
}
export function navigate(url: string, params?: { [key: string]: unknown }): void {
window.location.assign(paramURL(url, params));
}
@customElement("ak-router-outlet")
export class RouterOutlet extends AKElement {
@property({ attribute: false })
current?: RouteMatch;
@property()
defaultUrl?: string;
@property({ attribute: false })
routes: Route[] = [];
static get styles(): CSSResult[] {
return [
AKGlobal,
css`
:host {
background-color: transparent !important;
}
*:first-child {
flex-direction: column;
}
`,
];
}
constructor() {
super();
window.addEventListener("hashchange", (ev: HashChangeEvent) => this.navigate(ev));
}
firstUpdated(): void {
this.navigate();
}
navigate(ev?: HashChangeEvent): void {
let activeUrl = window.location.hash.slice(1, Infinity).split(ROUTE_SEPARATOR)[0];
if (ev) {
// Check if we've actually changed paths
const oldPath = new URL(ev.oldURL).hash.slice(1, Infinity).split(ROUTE_SEPARATOR)[0];
if (oldPath === activeUrl) return;
}
if (activeUrl === "") {
activeUrl = this.defaultUrl || "/";
window.location.hash = `#${activeUrl}`;
console.debug(`authentik/router: defaulted URL to ${window.location.hash}`);
return;
}
let matchedRoute: RouteMatch | null = null;
this.routes.some((route) => {
const match = route.url.exec(activeUrl);
if (match != null) {
matchedRoute = new RouteMatch(route);
matchedRoute.arguments = match.groups || {};
matchedRoute.fullUrl = activeUrl;
console.debug("authentik/router: found match ", matchedRoute);
return true;
}
return false;
});
if (!matchedRoute) {
console.debug(`authentik/router: route "${activeUrl}" not defined`);
const route = new Route(RegExp(""), async () => {
return html`<div class="pf-c-page__main">
<ak-router-404 url=${activeUrl}></ak-router-404>
</div>`;
});
matchedRoute = new RouteMatch(route);
matchedRoute.arguments = route.url.exec(activeUrl)?.groups || {};
matchedRoute.fullUrl = activeUrl;
}
this.current = matchedRoute;
}
render(): TemplateResult | undefined {
return this.current?.render();
}
}