fix(ext/node): spread args in setImmediate (#22998)

Closes https://github.com/denoland/deno/issues/22997

Co-authored-by: Divy Srivastava <dj.srivastava23@gmail.com>

2 files changed, 18 insertions, 3 deletions

diff --git a/ext/node/polyfills/internal/timers.mjs b/ext/node/polyfills/internal/timers.mjs
index bdaf95d91..bdf258de6 100644
--- a/ext/node/polyfills/internal/timers.mjs
+++ b/ext/node/polyfills/internal/timers.mjs
@@ -117,8 +117,8 @@ Timeout.prototype[Symbol.toPrimitive] = function () {
 };
 
 // Immediate constructor function.
-export function Immediate(callback, args) {
-  this._immediateId = setImmediate_(callback, args);
+export function Immediate(callback, ...args) {
+  this._immediateId = setImmediate_(callback, ...args);
 }
 
 // Make sure the linked list only shows the minimal necessary information.
diff --git a/tests/unit_node/timers_test.ts b/tests/unit_node/timers_test.ts
index c0b49c998..5a7668be7 100644
--- a/tests/unit_node/timers_test.ts
+++ b/tests/unit_node/timers_test.ts
@@ -30,7 +30,7 @@ Deno.test("[node/timers setInterval]", () => {
   }
 });
 
-Deno.test("[node/timers setImmediate]", () => {
+Deno.test("[node/timers setImmediate]", async () => {
   {
     const { clearImmediate, setImmediate } = timers;
     const imm = setImmediate(() => {});
@@ -41,6 +41,21 @@ Deno.test("[node/timers setImmediate]", () => {
     const imm = timers.setImmediate(() => {});
     timers.clearImmediate(imm);
   }
+
+  {
+    const deffered = Promise.withResolvers<void>();
+    const imm = timers.setImmediate(
+      (a, b) => {
+        assert(a === 1);
+        assert(b === 2);
+        deffered.resolve();
+      },
+      1,
+      2,
+    );
+    await deffered;
+    timers.clearImmediate(imm);
+  }
 });
 
 Deno.test("[node/timers/promises setTimeout]", () => {