From 4645d9f4e1149f454f868eee51154191f357911a Mon Sep 17 00:00:00 2001
From: 0zminDev <0zminDev@pm.me>
Date: Wed, 15 Jul 2026 20:59:29 +0200
Subject: [PATCH] fix(types): correct FormData values()/entries() iterator
 types

Fixes #27194
---
 packages/bun-types/globals.d.ts               |  5 +++--
 test/integration/bun-types/bun-types.test.ts  |  2 +-
 test/integration/bun-types/fixture/globals.ts | 10 +++++++---
 3 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/packages/bun-types/globals.d.ts b/packages/bun-types/globals.d.ts
index d88036b35841..217eadfb9518 100644
--- a/packages/bun-types/globals.d.ts
+++ b/packages/bun-types/globals.d.ts
@@ -1699,8 +1699,9 @@ interface FormData {
   set(name: string, blobValue: Blob, filename?: string): void;
   forEach(callbackfn: (value: Bun.FormDataEntryValue, key: string, parent: FormData) => void, thisArg?: any): void;
   keys(): IterableIterator<string>;
-  values(): IterableIterator<string>;
-  entries(): IterableIterator<[string, string]>;
+  values(): IterableIterator<Bun.FormDataEntryValue>;
+  entries(): IterableIterator<[string, Bun.FormDataEntryValue]>;
+  [Symbol.iterator](): IterableIterator<[string, Bun.FormDataEntryValue]>;
 }
 declare var FormData: Bun.__internal.UseLibDomIfAvailable<"FormData", { prototype: FormData; new (): FormData }>;
 
diff --git a/test/integration/bun-types/bun-types.test.ts b/test/integration/bun-types/bun-types.test.ts
index 4538907db0d4..733c6430a268 100644
--- a/test/integration/bun-types/bun-types.test.ts
+++ b/test/integration/bun-types/bun-types.test.ts
@@ -640,7 +640,7 @@ describe("@types/bun integration test", () => {
         },
         {
           code: 2353,
-          line: "globals.ts:307:5",
+          line: "globals.ts:311:5",
           message: "Object literal may only specify known properties, and 'headers' does not exist in type 'string[]'.",
         },
         {
diff --git a/test/integration/bun-types/fixture/globals.ts b/test/integration/bun-types/fixture/globals.ts
index 0ca54f0153e1..287b8a16ea46 100644
--- a/test/integration/bun-types/fixture/globals.ts
+++ b/test/integration/bun-types/fixture/globals.ts
@@ -226,13 +226,17 @@ const writableStream = new WritableStream();
   a.forEach((value, key) => {
     console.log(value, key);
   });
-  a.entries();
+  a.entries() satisfies IterableIterator<[string, string | File]>;
   a.get("asdf");
   a.getAll("asdf");
   a.has("asdf");
-  a.keys();
-  a.values();
+  a.keys() satisfies IterableIterator<string>;
+  a.values() satisfies IterableIterator<string | File>;
   a.toString();
+  for (const [key, value] of a) {
+    key satisfies string;
+    value satisfies string | File;
+  }
 }
 {
   const a = new Headers();