async function load_root_error_page()

in kit/svelteKitCustomClient/client.js [842:900]

• 24 lines of code
• 9 McCabe index (conditional complexity)

	async function load_root_error_page({ status, error, url, route }) {
		/** @type {Record<string, string>} */
		const params = {}; // error page does not have params

		/** @type {import('types').ServerDataNode | null} */
		let server_data_node = null;

		const default_layout_has_server_load = app.server_loads[0] === 0;

		if (default_layout_has_server_load) {
			// TODO post-https://github.com/sveltejs/kit/discussions/6124 we can use
			// existing root layout data
			try {
				const server_data = await load_data(url, [true]);

				if (
					server_data.type !== "data" ||
					(server_data.nodes[0] && server_data.nodes[0].type !== "data")
				) {
					throw 0;
				}

				server_data_node = server_data.nodes[0] ?? null;
			} catch {
				// at this point we have no choice but to fall back to the server, if it wouldn't
				// bring us right back here, turning this into an endless loop
				if (url.origin !== location.origin || url.pathname !== location.pathname || hydrated) {
					await native_navigation(url);
				}
			}
		}

		const root_layout = await load_node({
			loader: default_layout_loader,
			url,
			params,
			route,
			parent: () => Promise.resolve({}),
			server_data_node: create_data_node(server_data_node),
		});

		/** @type {import('./types').BranchNode} */
		const root_error = {
			node: await default_error_loader(),
			loader: default_error_loader,
			universal: null,
			server: null,
			data: null,
		};

		return await get_navigation_result_from_branch({
			url,
			params,
			branch: [root_layout, root_error],
			status,
			error,
			route: null,
		});
	}