made slightly more efficient in response to comments

chatcommand.js

@@ -254,26 +254,21 @@ function handleClean(chan, user, target) {
     // you can use regexps, in case someone tries
     // to fool you with cyrillic or something.
     target = new RegExp(target);
-    var uid = false; // to skip first chan.sendAll()
     // local variables for deleteNext() callback
     var pl = chan.playlist;
     var count = 0;
+    var matches = pl.items.findAll(function(item) {
+        return target.test(item.queueby);
+    });
+    console.log(matches);
     var deleteNext;
-    // this callback will search for matching items,
-    // and if one is found, call the remove method
-    // with itself as the callback to execute after
-    // the remove is finished.  
     deleteNext = function() {
-        // notify channel that this is deleted
-        if (uid !== false) {
+        if (count < matches.length) {
+            var uid=matches[count].uid;
+            count += 1
             chan.sendAll("delete", {
                 uid: uid
             });
-        }
-        // find next match
-        uid = pl.items.findSubmitter(target);
-        if (uid !== false) {
-            // remove, and restart callback when removed.
             pl.remove(uid, deleteNext);
         } else {
             // refresh playlist only once, at the end

ullist.js

@@ -181,21 +181,14 @@ ULList.prototype.findVideoId = function (id) {
     return false;
 };
 
-/**
-returns the UID of the first item in the queue that
-was submitted by a user matching the target regexp.
-*/
-ULList.prototype.findSubmitter = function(target) {
-    var item = this.first;
-    
-    while(item !== null) {
-        if(item.queueby && target.test(item.queueby)) {
-            console.log("found", item.uid, target, item.queueby);
-            return item.uid;
-        } 
-        item = item.next;
-    }
-    return false;
+ULList.prototype.findAll = function(fn) {
+    var result = [];
+    this.forEach(function(item) {
+        if( fn(item) ) {
+            result.push(item);
+        }
+    });
+    return result;
 }
 
 exports.ULList = ULList;