From d648f9257438952f084deb094ea4d1d2dd0c51e0 Mon Sep 17 00:00:00 2001
From: Ryan Christian <rchristian@ryanchristian.dev>
Date: Mon, 24 Jun 2024 17:48:23 -0500
Subject: [PATCH 1/3] feat: Add `location` stub from prerenderer as a utility

---
 src/prerender.d.ts |  2 ++
 src/prerender.js   | 14 ++++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/src/prerender.d.ts b/src/prerender.d.ts
index 49eb8ab..b9958bc 100644
--- a/src/prerender.d.ts
+++ b/src/prerender.d.ts
@@ -13,3 +13,5 @@ export default function prerender(
 	vnode: VNode,
 	options?: PrerenderOptions
 ): Promise<PrerenderResult>;
+
+export function locationStub(path: string): void;
diff --git a/src/prerender.js b/src/prerender.js
index 49b841e..bc3a759 100644
--- a/src/prerender.js
+++ b/src/prerender.js
@@ -40,3 +40,17 @@ export default async function prerender(vnode, options) {
 		vnodeHook = null;
 	}
 }
+
+/**
+ * Update `location` to current URL so routers can use things like `location.pathname`
+ *
+ * @param {string} path - current URL path
+ */
+export function locationStub(path) {
+	const u = new URL(path, 'http://localhost');
+	for (const i in u) {
+		try {
+			globalThis.location[i] = String(u[i]);
+		} catch {}
+	}
+}

From 29c7d6f2b22591b57470214ea0e2f6fe826e8f8c Mon Sep 17 00:00:00 2001
From: Ryan Christian <33403762+rschristian@users.noreply.github.com>
Date: Wed, 26 Jun 2024 23:59:54 -0500
Subject: [PATCH 2/3] fix: Setup `globalThis.location` & support class methods

---
 src/prerender.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/prerender.js b/src/prerender.js
index bc3a759..be435bf 100644
--- a/src/prerender.js
+++ b/src/prerender.js
@@ -47,10 +47,13 @@ export default async function prerender(vnode, options) {
  * @param {string} path - current URL path
  */
 export function locationStub(path) {
+	globalThis.location = {};
 	const u = new URL(path, 'http://localhost');
 	for (const i in u) {
 		try {
-			globalThis.location[i] = String(u[i]);
+            globalThis.location[i] = /to[A-Z]/.test(i)
+                ? u[i].bind(u)
+                : String(u[i]);
 		} catch {}
 	}
 }

From a10a90669d163c197bf9bb0c722c815b1d917cbd Mon Sep 17 00:00:00 2001
From: Ryan Christian <rchristian@ryanchristian.dev>
Date: Sun, 7 Jul 2024 19:15:23 -0500
Subject: [PATCH 3/3] test: Add tests for locationStub utility

---
 test/location-stub.test.js | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 test/location-stub.test.js

diff --git a/test/location-stub.test.js b/test/location-stub.test.js
new file mode 100644
index 0000000..e78b46d
--- /dev/null
+++ b/test/location-stub.test.js
@@ -0,0 +1,36 @@
+import { describe, it, beforeEach, expect } from '@jest/globals';
+import { locationStub } from '../src/prerender.js';
+
+describe('location-stub', () => {
+	beforeEach(() => {
+		if (globalThis.location) {
+			delete globalThis.location;
+		}
+	});
+
+	it('Contains all Location instance properties', () => {
+		locationStub('/foo/bar?baz=qux#quux');
+
+		[
+			// 'ancestorOrigins', // Not supported by FireFox and sees little use, but we could add an empty val if it's needed
+			'hash',
+			'host',
+			'hostname',
+			'href',
+			'origin',
+			'pathname',
+			'port',
+			'protocol',
+			'search',
+		].forEach(key => {
+			expect(globalThis.location).toHaveProperty(key);
+		});
+	});
+
+	// Do we need to support `assign`, `reload`, and/or `replace`?
+	it('Support bound methods', () => {
+		locationStub('/foo/bar?baz=qux#quux');
+
+		expect(globalThis.location.toString()).toBe('http://localhost/foo/bar?baz=qux#quux');
+	});
+});