112 lines
3.8 KiB
TypeScript
112 lines
3.8 KiB
TypeScript
import { css, CSSResult, customElement, html, LitElement, property, TemplateResult } from "lit-element";
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import { Route } from "./Route";
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import { ROUTES } from "../../routes";
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import { RouteMatch } from "./RouteMatch";
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import AKGlobal from "../../authentik.css";
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import "./Router404";
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import { Page } from "../Page";
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import { ROUTE_SEPARATOR, TITLE_SUFFIX } from "../../constants";
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// Poliyfill for hashchange.newURL,
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// https://developer.mozilla.org/en-US/docs/Web/API/WindowEventHandlers/onhashchange
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window.addEventListener("load", () => {
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if (!window.HashChangeEvent) (function () {
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let lastURL = document.URL;
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window.addEventListener("hashchange", function (event) {
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Object.defineProperty(event, "oldURL", { enumerable: true, configurable: true, value: lastURL });
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Object.defineProperty(event, "newURL", { enumerable: true, configurable: true, value: document.URL });
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lastURL = document.URL;
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});
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}());
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});
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@customElement("ak-router-outlet")
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export class RouterOutlet extends LitElement {
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@property({attribute: false})
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current?: RouteMatch;
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@property()
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defaultUrl?: string;
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static get styles(): CSSResult[] {
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return [AKGlobal,
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css`
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:host {
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height: 100vh;
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background-color: var(--ak-dark-background, var(--pf-c-page--BackgroundColor)) !important;
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}
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*:first-child {
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height: 100%;
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display: flex;
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flex-direction: column;
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}
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`,
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];
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}
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constructor() {
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super();
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window.addEventListener("hashchange", (ev: HashChangeEvent) => this.navigate(ev));
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}
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firstUpdated(): void {
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this.navigate();
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}
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updated(): void {
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if (!this.shadowRoot) return;
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Array.from(this.shadowRoot?.children).forEach((el) => {
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if ("pageTitle" in el) {
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const title = (el as Page).pageTitle();
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document.title = `${title} - ${TITLE_SUFFIX}`;
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} else {
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document.title = TITLE_SUFFIX;
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}
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});
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}
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navigate(ev?: HashChangeEvent): void {
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let activeUrl = window.location.hash.slice(1, Infinity).split(ROUTE_SEPARATOR)[0];
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if (ev) {
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// Check if we've actually changed paths
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const oldPath = new URL(ev.oldURL).hash.slice(1, Infinity).split(ROUTE_SEPARATOR)[0];
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if (oldPath === activeUrl) return;
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}
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if (activeUrl === "") {
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activeUrl = this.defaultUrl || "/";
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window.location.hash = `#${activeUrl}`;
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console.debug(`authentik/router: defaulted URL to ${window.location.hash}`);
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return;
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}
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let matchedRoute: RouteMatch | null = null;
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ROUTES.some((route) => {
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const match = route.url.exec(activeUrl);
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if (match != null) {
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matchedRoute = new RouteMatch(route);
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matchedRoute.arguments = match.groups || {};
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matchedRoute.fullUrl = activeUrl;
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console.debug("authentik/router: found match ", matchedRoute);
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return true;
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}
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});
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if (!matchedRoute) {
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console.debug(`authentik/router: route "${activeUrl}" not defined`);
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const route = new Route(
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RegExp(""),
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html`<div class="pf-c-page__main">
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<ak-router-404 url=${activeUrl}></ak-router-404>
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</div>`
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);
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matchedRoute = new RouteMatch(route);
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matchedRoute.arguments = route.url.exec(activeUrl)?.groups || {};
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matchedRoute.fullUrl = activeUrl;
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}
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this.current = matchedRoute;
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}
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render(): TemplateResult | undefined {
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return this.current?.render();
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}
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}
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