feat: new "whole page" hydration strategy

packages/client/src/hydration-client-route.ts

@@ -0,0 +1,43 @@
+import '@lit-labs/ssr-client/lit-element-hydrate-support.js';
+
+import { RouteModule, type Parameters } from '@gracile/engine/routes/route';
+import { hydrate } from '@lit-labs/ssr-client';
+// eslint-disable-next-line import-x/no-unresolved
+import { routeImports } from 'gracile:client:routes';
+import { premiseUrl } from '@gracile/internal-utils/paths';
+import { URLPattern } from 'urlpattern-polyfill/urlpattern';
+
+async function init() {
+	const url = new URL(globalThis.document.location.href);
+	const urlPattern = new URLPattern({
+		baseURL: url.href,
+	});
+
+	let route: RouteModule | undefined;
+	let parameters: Parameters = {};
+	for (const [pattern, routeImport] of routeImports.entries()) {
+		const match = urlPattern.exec(pattern, url.href);
+		if (match) {
+			// eslint-disable-next-line unicorn/no-await-expression-member
+			const loaded = (await routeImport()).default(RouteModule);
+			route = loaded;
+			parameters = match.pathname.groups;
+			break;
+		}
+	}
+	if (!route?.template) throw new ReferenceError('No route template found.');
+
+	const propertiesUrl = premiseUrl(url.pathname, 'props');
+	const properties = await fetch(propertiesUrl).then((r) => r.json());
+
+	const template = route.template({
+		url,
+		params: parameters,
+		props: properties,
+	});
+	hydrate(template, document.body);
+}
+
+document.addEventListener('DOMContentLoaded', () => {
+	void init();
+});