fix(node): make sure "setImmediate" is not clamped to 4ms (#19213)

This commit changes implementation of "setImmediate"
from "node:timers" module to 0ms timer that is never
clamped to 4ms no matter how many nested calls there are.

Closes https://github.com/denoland/deno/issues/19034

1 files changed, 5 insertions, 2 deletions

diff --git a/ext/node/polyfills/timers.ts b/ext/node/polyfills/timers.ts
index 9c688f242..e5e64529c 100644
--- a/ext/node/polyfills/timers.ts
+++ b/ext/node/polyfills/timers.ts
@@ -8,6 +8,7 @@ import * as timers from "ext:deno_web/02_timers.js";
 
 const clearTimeout_ = timers.clearTimeout;
 const clearInterval_ = timers.clearInterval;
+const setTimeoutUnclamped = timers.setTimeoutUnclamped;
 
 export function setTimeout(
   callback: (...args: unknown[]) => void,
@@ -46,10 +47,12 @@ export function clearInterval(timeout?: Timeout | number | string) {
 }
 // TODO(bartlomieju): implement the 'NodeJS.Immediate' versions of the timers.
 // https://github.com/DefinitelyTyped/DefinitelyTyped/blob/1163ead296d84e7a3c80d71e7c81ecbd1a130e9a/types/node/v12/globals.d.ts#L1120-L1131
-export const setImmediate = (
+export function setImmediate(
   cb: (...args: unknown[]) => void,
   ...args: unknown[]
-): Timeout => setTimeout(cb, 0, ...args);
+): Timeout {
+  return setTimeoutUnclamped(cb, 0, ...args);
+}
 export const clearImmediate = clearTimeout;
 
 export default {