From 1a6eac4cccf993010c0630c362eab8f97d6e26b3 Mon Sep 17 00:00:00 2001
From: ciandt-crodrigues <crodrigues@ciandt.com>
Date: Tue, 29 Oct 2024 22:26:49 -0300
Subject: [PATCH 1/3] feat(retry-plugin): allow fallback function to receive
 failed URL

---
 packages/retry-plugin/__tests__/retry.spec.ts | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/packages/retry-plugin/__tests__/retry.spec.ts b/packages/retry-plugin/__tests__/retry.spec.ts
index 126c33459e..f638331527 100644
--- a/packages/retry-plugin/__tests__/retry.spec.ts
+++ b/packages/retry-plugin/__tests__/retry.spec.ts
@@ -118,6 +118,24 @@ describe('fetchWithRetry', () => {
     expect(fetch).toHaveBeenLastCalledWith('https://fallback.com', {});
   });
 
+  it('should build fallback URL from remote after retries fail', async () => {
+    mockErrorFetch();
+    const retryTimes = 3;
+    const responsePromise = fetchWithRetry({
+      url: 'https://example.com',
+      retryTimes,
+      retryDelay: 0,
+      fallback: (url) => `${url}/fallback`,
+    });
+    vi.advanceTimersByTime(2000 * retryTimes);
+
+    await expect(responsePromise).rejects.toThrow(
+      'The request failed three times and has now been abandoned',
+    );
+    expect(fetch).toHaveBeenCalledTimes(5); //first fetch + retryTimes fetch
+    expect(fetch).toHaveBeenLastCalledWith('https://example.com/fallback', {});
+  });
+
   it('should handle JSON parse error', async () => {
     const mockFetch = vi.fn().mockResolvedValueOnce({
       ok: true,

From 2baab508667de7a4d41e10a659b5a6ccb2e37220 Mon Sep 17 00:00:00 2001
From: ciandt-crodrigues <crodrigues@ciandt.com>
Date: Tue, 29 Oct 2024 22:38:06 -0300
Subject: [PATCH 2/3] feat(retry-plugin): update site

---
 apps/website-new/docs/en/plugin/plugins/retry-plugin.mdx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/apps/website-new/docs/en/plugin/plugins/retry-plugin.mdx b/apps/website-new/docs/en/plugin/plugins/retry-plugin.mdx
index 1be95039b2..e8e16b924e 100644
--- a/apps/website-new/docs/en/plugin/plugins/retry-plugin.mdx
+++ b/apps/website-new/docs/en/plugin/plugins/retry-plugin.mdx
@@ -96,7 +96,9 @@ type FetchWithRetryOptions = {
   options?: RequestInit;
   retryTimes?: number;
   retryDelay?: number;
-  fallback?: (() => string) | ((url: string | URL | globalThis.Request) => string);
+  fallback?:
+    | (() => string)
+    | ((url: string | URL | globalThis.Request) => string);
 }
 
 type ScriptWithRetryOptions = {

From 04a9e54ab7a689627df29d4c621505d223e0291b Mon Sep 17 00:00:00 2001
From: ciandt-crodrigues <crodrigues@ciandt.com>
Date: Tue, 29 Oct 2024 22:42:53 -0300
Subject: [PATCH 3/3] feat(retry-plugin): adding changeset

---
 .changeset/orange-goats-hope.md | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 .changeset/orange-goats-hope.md

diff --git a/.changeset/orange-goats-hope.md b/.changeset/orange-goats-hope.md
new file mode 100644
index 0000000000..937c0c5434
--- /dev/null
+++ b/.changeset/orange-goats-hope.md
@@ -0,0 +1,5 @@
+---
+'@module-federation/retry-plugin': minor
+---
+
+Allow fallback function to receive the failed URL in order to build the fallback URL.