From 59d2d0b7278eb51cda869b4b30468b114a62e9a1 Mon Sep 17 00:00:00 2001
From: "vincent.dusautoir" <vincent.dusautoir.pro@gmail.com>
Date: Sat, 12 Jul 2025 18:28:17 +0200
Subject: [PATCH 1/2] fix: Make ipx transform work with a remote base url

---
 src/providers/ipx.test.ts | 17 +++++++++++++++++
 src/providers/ipx.ts      |  2 +-
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/src/providers/ipx.test.ts b/src/providers/ipx.test.ts
index c1f6ed8..985d5c7 100644
--- a/src/providers/ipx.test.ts
+++ b/src/providers/ipx.test.ts
@@ -5,6 +5,8 @@ import { assertEquals } from "jsr:@std/assert";
 const absoluteImg = "https://example.com/images/test.jpg";
 const img = "/images/test.jpg";
 const baseURL = "https://example.com/_ipx";
+const remoteBaseUrl = "https://ipx.example.com";
+
 
 Deno.test("ipx extract", async (t) => {
 	await t.step("should extract operations from a URL", () => {
@@ -122,4 +124,19 @@ Deno.test("ipx transform", async (t) => {
 			`/_ipx/s_300x200,f_auto/https://example.com/images/test.jpg`,
 		);
 	});
+
+	await t.step("should work with ipx as a remote service baseURL", () => {
+		const result = transform(
+			absoluteImg,
+			{
+				width: 300,
+				height: 200,
+			},
+			{ baseURL: remoteBaseUrl },
+		);
+		assertEqualIgnoringQueryOrder(
+			result,
+			`${remoteBaseUrl}/s_300x200,f_auto/https://example.com/images/test.jpg`,
+		);
+	});
 });
diff --git a/src/providers/ipx.ts b/src/providers/ipx.ts
index d1fce56..a36d974 100644
--- a/src/providers/ipx.ts
+++ b/src/providers/ipx.ts
@@ -74,7 +74,7 @@ export const generate: URLGenerator<"ipx"> = (
 	const baseURL = options?.baseURL ?? "/_ipx";
 	const url = toUrl(baseURL);
 
-	url.pathname = `${url.pathname}/${modifiers}/${
+	url.pathname = `${url.pathname === '/' ? '' : url.pathname}/${modifiers}/${
 		stripLeadingSlash(src.toString())
 	}`;
 	return toCanonicalUrlString(url);

From bd14d3087f75a088948d9d3678657d2ba315dae1 Mon Sep 17 00:00:00 2001
From: "vincent.dusautoir" <vincent.dusautoir.pro@gmail.com>
Date: Sat, 12 Jul 2025 18:34:12 +0200
Subject: [PATCH 2/2] fix: use stripTrailingSlash

---
 src/providers/ipx.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/providers/ipx.ts b/src/providers/ipx.ts
index a36d974..978259a 100644
--- a/src/providers/ipx.ts
+++ b/src/providers/ipx.ts
@@ -8,6 +8,7 @@ import {
 import {
 	createOperationsHandlers,
 	stripLeadingSlash,
+	stripTrailingSlash,
 	toCanonicalUrlString,
 	toUrl,
 } from "../utils.ts";
@@ -74,7 +75,7 @@ export const generate: URLGenerator<"ipx"> = (
 	const baseURL = options?.baseURL ?? "/_ipx";
 	const url = toUrl(baseURL);
 
-	url.pathname = `${url.pathname === '/' ? '' : url.pathname}/${modifiers}/${
+	url.pathname = `${stripTrailingSlash(url.pathname)}/${modifiers}/${
 		stripLeadingSlash(src.toString())
 	}`;
 	return toCanonicalUrlString(url);