[node:event] Add captureRejectionSymbol

src/bun.js/modules/EventsModule.h

@@ -32,6 +32,10 @@ inline void generateEventsSourceCode(JSC::JSGlobalObject *lexicalGlobalObject,
   exportValues.append(JSC::JSFunction::create(
       vm, lexicalGlobalObject, 0, MAKE_STATIC_STRING_IMPL("on"),
       Events_functionOn, ImplementationVisibility::Public));
+  exportNames.append(
+      JSC::Identifier::fromString(vm, "captureRejectionSymbol"_s));
+  exportValues.append(Symbol::create(
+      vm, vm.symbolRegistry().symbolForKey("nodejs.rejection"_s)));
 
   JSFunction *eventEmitterModuleCJS =
       jsCast<JSFunction *>(WebCore::JSEventEmitter::getConstructor(

test/bun.js/event-emitter.test.ts

@@ -1,11 +1,18 @@
-import { test, describe, expect } from "bun:test";
+import { test, describe, expect, it } from "bun:test";
 import fs from "node:fs";
 
 // this is also testing that imports with default and named imports in the same statement work
 // our transpiler transform changes this to a var with import.meta.require
-import EventEmitter, { getEventListeners } from "node:events";
+import EventEmitter, {
+  getEventListeners,
+  captureRejectionSymbol,
+} from "node:events";
 
 describe("EventEmitter", () => {
+  it("captureRejectionSymbol", () => {
+    expect(EventEmitter.captureRejectionSymbol).toBeDefined();
+    expect(captureRejectionSymbol).toBeDefined();
+  });
   test("getEventListeners", () => {
     expect(getEventListeners(new EventEmitter(), "hey").length).toBe(0);
   });