Saner way of accessing first rendered node. Trim trailing whitespace.

Author: back2dos

src/coconut/diffing/Rendered.hx

@@ -14,38 +14,38 @@ class Rendered<Real:{}> {
   }
 
   public function first(later):Real {
-    try each(later, function (r) throw { F: r })
-    catch (d:Dynamic) 
-      if (d.F != null) return d.F;
-      else Error.rethrow(d);
-    return null;
+    var found = null;
+    try each(later, function (r) throw found = r)
+    catch (d:Dynamic)
+      if (d != found) Error.rethrow(d);
+    return found;
   }
 
   public function each(later:Later, f:Real->Void) {
     function rec(children:Array<RNode<Real>>)
       for (c in children) switch c {
         case RNative(_, r, _): f(r);
-        case RWidget(w, _): 
+        case RWidget(w, _):
           rec(@:privateAccess w._coco_getRender(later).childList);
       }
     rec(childList);
-  }   
+  }
 }
 
 class TypeRegistry<V> {
-  
+
   var keyed:KeyMap<V>;
   var unkeyed:Array<V>;
-  
+
   public function new() {}
 
   public function get(key:Key)
-    return 
-      if (keyed == null) null 
+    return
+      if (keyed == null) null
       else keyed.get(key);
 
   public function set(key:Key, value) {
-    if (keyed == null) 
+    if (keyed == null)
       keyed = new KeyMap();
 
     #if debug
@@ -59,8 +59,8 @@ class TypeRegistry<V> {
     if (unkeyed == null) unkeyed = [];
     unkeyed.push(v);
   }
-  
-  public function pull() 
+
+  public function pull()
     return
       if (unkeyed == null) null;
       else unkeyed.shift();//TODO: find better solution for platforms where shifting is slow

src/coconut/diffing/Widget.hx

@@ -16,7 +16,7 @@ class Widget<Real:{}> {
   @:noCompletion var _coco_parent:Widget<Real>;
   @:noCompletion var _coco_differ:Differ<Real>;
   @:noCompletion var _coco_link:CallbackLink;
-    
+
   public function new(
     rendered:Observable<VNode<Real>>,
     mounted:Void->Void,
@@ -29,7 +29,7 @@ class Widget<Real:{}> {
       case VMany(nodes):
         function isEmpty(nodes:Array<VNode<Real>>) {
           for (n in nodes) if (n != null) switch n {
-            case VMany(nodes): 
+            case VMany(nodes):
               if (!isEmpty(nodes)) return false;
             default: return false;
           }
@@ -39,10 +39,10 @@ class Widget<Real:{}> {
         else r;
       default: r;
     });
-    
+
     this._coco_viewMounted = mounted;
     this._coco_viewUpdated = updated;
-    this._coco_viewUnmounting = unmounting;    
+    this._coco_viewUnmounting = unmounting;
   }
 
   @:noCompletion function _coco_getRender(later:Later):Rendered<Real> {
@@ -73,7 +73,7 @@ class Widget<Real:{}> {
       _coco_invalid = true;
       if (_coco_parent != null)
         _coco_parent._coco_scheduleChild(this);
-      else 
+      else
         defer(_coco_update.bind(null));
     }
 
@@ -93,7 +93,7 @@ class Widget<Real:{}> {
 
     var previousCount = 0,
         first = null;
-    
+
     previous.each(later, function (r) {
       if (first == null) first = r;
       previousCount++;