fix(fetch) fix fetch inheritance (#2842)

* patch fetch function inheritance

* fmt

* fix reserveCapacity and number of arguments for fetch

* change Bun.fetch to use Fetch.jsFunction

* merge Fetch.jsFunction and Fetch.call

* remove commented code

1 files changed, 5 insertions, 0 deletions

diff --git a/test/js/web/fetch/fetch.test.ts b/test/js/web/fetch/fetch.test.ts
index cc59ba3f6..6e07db40b 100644
--- a/test/js/web/fetch/fetch.test.ts
+++ b/test/js/web/fetch/fetch.test.ts
@@ -1129,3 +1129,8 @@ it("#874", () => {
   expect(new Request(new Request("https://example.com")).url).toBe("https://example.com");
   expect(new Request({ url: "https://example.com" }).url).toBe("https://example.com");
 });
+
+it("#2794", () => {
+  expect(typeof globalThis.fetch.bind).toBe("function");
+  expect(typeof Bun.fetch.bind).toBe("function");
+});