spread routes

test/apps/basics/src/routes/[...rest]/deep.json.js

@@ -0,0 +1,3 @@
+export function get(req, res) {
+	res.end(req.params.rest.join(','));
+}

test/apps/basics/src/routes/[...rest]/deep.svelte

@@ -0,0 +1,7 @@
+<script>
+	import { page } from '@sapper/app';
+</script>
+
+<h1>{$page.params.rest.join(',')}</h1>
+
+<a href="xyz/abc/qwe/deep.json">deep</a>

test/apps/basics/src/routes/[...rest]/index.svelte

@@ -0,0 +1,7 @@
+<script>
+	import { page } from '@sapper/app';
+</script>
+
+<h1>{$page.params.rest.join(',')}</h1>
+
+<a href="xyz/abc/deep">deep</a>

test/apps/basics/test.ts

@@ -275,4 +275,22 @@ describe('basics', function() {
 		await wait(50);
 		assert.equal(await title(), 'bar');
 	});
-});
+
+  it('navigates to ...rest', async () => {
+		await page.goto(`${base}/abc/xyz`);
+		await start();
+
+		assert.equal(await title(), 'abc,xyz');
+
+		await page.click('[href="xyz/abc/deep"]');
+		await wait(50);
+		assert.equal(await title(), 'xyz,abc');
+
+		await page.click(`[href="xyz/abc/qwe/deep.json"]`);
+		await wait(50);
+		assert.equal(
+			await page.evaluate(() => document.body.textContent),
+			'xyz,abc,qwe'
+		);
+	});
+});