timers: document ref option for scheduler.wait

PR-URL: #54605
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Jake Yuesong Li <jake.yuesong@gmail.com>

Author: ShogunPanda

doc/api/timers.md

@@ -521,6 +521,9 @@ added:
 *`delay` {number} The number of milliseconds to wait before resolving the
  promise.
 *`options` {Object}
+*`ref` {boolean} Set to `false` to indicate that the scheduled `Timeout`
+ should not require the Node.js event loop to remain active.
+**Default:**`true`.
 *`signal` {AbortSignal} An optional `AbortSignal` that can be used to
  cancel waiting.
 * Returns: {Promise}

lib/timers/promises.js

@@ -131,22 +131,18 @@ function setImmediate(value, options = kEmptyObject) {
 }
 
 asyncfunction*setInterval(after,value,options=kEmptyObject){
-try{
-if(typeofafter!=='undefined'){
-validateNumber(after,'delay');
-}
+if(typeofafter!=='undefined'){
+validateNumber(after,'delay');
+}
 
-validateObject(options,'options');
+validateObject(options,'options');
 
-if(typeofoptions?.signal!=='undefined'){
-validateAbortSignal(options.signal,'options.signal');
-}
+if(typeofoptions?.signal!=='undefined'){
+validateAbortSignal(options.signal,'options.signal');
+}
 
-if(typeofoptions?.ref!=='undefined'){
-validateBoolean(options.ref,'options.ref');
-}
-}catch(err){
-returnPromiseReject(err);
+if(typeofoptions?.ref!=='undefined'){
+validateBoolean(options.ref,'options.ref');
 }
 
 const{ signal, ref =true}=options;