log

packages/kit/src/runtime/client/client.js

@@ -647,6 +647,7 @@ export function create_client({ target, base }) {
 			});
 
 			if (import.meta.env.DEV) {
+console.warn('loading node');
 				try {
 					lock_fetch();
 					data = (await node.shared.load.call(null, load_input)) ?? null;
@@ -1521,6 +1522,7 @@ export function create_client({ target, base }) {
 		},
 
 		_hydrate: async ({ status, error, node_ids, params, route, data: server_data_nodes, form }) => {
+console.warn(`hydrating`);
 			hydrated = true;
 
 			const url = new URL(location.href);

packages/kit/src/runtime/client/fetcher.js

@@ -11,7 +11,7 @@ export function lock_fetch() {
 export function unlock_fetch() {
 	loading -= 1;
 }
-
+console.warn(`initializing fetcher ${import.meta.env.DEV}`);
 if (import.meta.env.DEV) {
 	let can_inspect_stack_trace = false;
 
@@ -23,11 +23,12 @@ if (import.meta.env.DEV) {
 	check_stack_trace();
 
 	window.fetch = (input, init) => {
-		const url = input instanceof Request ? input.url : input.toString();
 		const stack = /** @type {string} */ (new Error().stack);
-
 		const heuristic = can_inspect_stack_trace ? stack.includes('load_node') : loading;
+console.warn(`doing fetch. heuristic: ${!!heuristic}. can_inspect_stack_trace: ${!!can_inspect_stack_trace}. loading: ${loading}`);
+console.warn(stack);
 		if (heuristic) {
+			const url = input instanceof Request ? input.url : input.toString();
 			console.warn(
 				`Loading ${url} using \`window.fetch\`. For best results, use the \`fetch\` that is passed to your \`load\` function: https://kit.svelte.dev/docs/load#making-fetch-requests`
 			);

packages/kit/test/apps/basics/test/client.test.js

@@ -608,28 +608,24 @@ test.describe('Load', () => {
 
 	if (process.env.DEV) {
 		test('using window.fetch causes a warning', async ({ page, baseURL }) => {
-			await Promise.all([
-				page.goto('/load/window-fetch/incorrect'),
-				page.waitForEvent('console', {
-					predicate: (message) => {
-						return (
-							message.text() ===
-							`Loading ${baseURL}/load/window-fetch/data.json using \`window.fetch\`. For best results, use the \`fetch\` that is passed to your \`load\` function: https://kit.svelte.dev/docs/load#making-fetch-requests`
-						);
-					},
-					timeout: 3_000
-				})
-			]);
-			expect(await page.textContent('h1')).toBe('42');
-
 			/** @type {string[]} */
 			const warnings = [];
+
 			page.on('console', (msg) => {
 				if (msg.type() === 'warning') {
 					warnings.push(msg.text());
 				}
 			});
 
+			await page.goto('/load/window-fetch/incorrect');
+			expect(await page.textContent('h1')).toBe('42');
+
+			expect(warnings).toContain(
+				`Loading ${baseURL}/load/window-fetch/data.json using \`window.fetch\`. For best results, use the \`fetch\` that is passed to your \`load\` function: https://kit.svelte.dev/docs/load#making-fetch-requests`
+			);
+
+			warnings.length = 0;
+
 			await page.goto('/load/window-fetch/correct');
 			expect(await page.textContent('h1')).toBe('42');