Dev environment : closure compiler + jshint update

Fixed error raised by closure compiler
Added es3 option to jshint (detect trailing commas)
Added curly option to jshint (missing curly braces for if/for blocks)
Removed trailing whitespaces (not enforced through jshint though)

js/utils/PixelUtils.js

@@ -12,8 +12,8 @@
           pixels.push({"col": x, "row": y});
         }
       }
-      
-      return pixels;      
+
+      return pixels;
     },
 
     getBoundRectanglePixels : function (x0, y0, x1, y1) {
@@ -30,32 +30,32 @@
         pixels.push({"col": rectangle.x0, "row": y});
         pixels.push({"col": rectangle.x1, "row": y});
       }
-      
-      return pixels;  
+
+      return pixels;
     },
 
     /**
      * Return an object of ordered rectangle coordinate.
-     * In returned object {x0, y0} => top left corner - {x1, y1} => bottom right corner 
+     * In returned object {x0, y0} => top left corner - {x1, y1} => bottom right corner
      * @private
      */
     getOrderedRectangleCoordinates : function (x0, y0, x1, y1) {
       return {
-        x0 : Math.min(x0, x1), 
+        x0 : Math.min(x0, x1),
         y0 : Math.min(y0, y1),
-        x1 : Math.max(x0, x1), 
+        x1 : Math.max(x0, x1),
         y1 : Math.max(y0, y1)
       };
     },
 
     /**
-     * Return the list of pixels that would have been filled by a paintbucket tool applied 
+     * Return the list of pixels that would have been filled by a paintbucket tool applied
      * on pixel at coordinate (x,y).
-     * This function is not altering the Frame object argument. 
+     * This function is not altering the Frame object argument.
      *
      * @param frame pskl.model.Frame The frame target in which we want to paintbucket
-     * @param col number Column coordinate in the frame 
-     * @param row number Row coordinate in the frame 
+     * @param col number Column coordinate in the frame
+     * @param row number Row coordinate in the frame
      *
      * @return an array of the pixel coordinates paint with the replacement color
      */
@@ -73,10 +73,10 @@
     /**
      * Apply the paintbucket tool in a frame at the (col, row) initial position
      * with the replacement color.
-     * 
+     *
      * @param frame pskl.model.Frame The frame target in which we want to paintbucket
-     * @param col number Column coordinate in the frame 
-     * @param row number Row coordinate in the frame 
+     * @param col number Column coordinate in the frame
+     * @param row number Row coordinate in the frame
      * @param replacementColor string Hexadecimal color used to fill the area
      *
      * @return an array of the pixel coordinates paint with the replacement color
@@ -109,11 +109,11 @@
       } catch(e) {
         // Frame out of bound exception.
       }
-      
+
       if(targetColor == replacementColor) {
         return;
       }
-      
+
 
       queue.push({"col": col, "row": row});
       var loopCount = 0;
@@ -140,7 +140,7 @@
         // Security loop breaker:
         if(loopCount > 10 * cellCount) {
           console.log("loop breaker called");
-          break;          
+          break;
         }
       }
       return paintedPixels;

js/utils/Serializer.js

@@ -32,7 +32,7 @@
         var pData = data.piskel;
         var layers = pData.layers.map(function (serializedLayer) {
           return pskl.utils.Serializer.deserializeLayer(serializedLayer);
-        }); 
+        });
         var piskel = new pskl.model.Piskel(pData.width, pData.height, pData.fps);
         layers.forEach(function (layer) {
           piskel.addLayer(layer);

js/utils/Template.js

@@ -23,7 +23,7 @@
           var value = dict[key];
           template = template.replace(new RegExp('\\{\\{'+key+'\\}\\}', 'g'), value);
         }
-      } 
+      }
       return template;
     }
   };

js/utils/UserSettings.js

@@ -8,7 +8,7 @@
 
     KEY_TO_DEFAULT_VALUE_MAP_ : {
       'SHOW_GRID' : false,
-      'CANVAS_BACKGROUND' : 'medium-canvas-background' 
+      'CANVAS_BACKGROUND' : 'medium-canvas-background'
     },
 
     /**
@@ -17,7 +17,7 @@
     cache_ : {},
 
     /**
-     * Static method to access a user defined settings value ot its default 
+     * Static method to access a user defined settings value ot its default
      * value if not defined yet.
      */
     get : function (key) {
@@ -34,7 +34,7 @@
       this.cache_[key] = value;
       this.writeToLocalStorage_(key, value);
 
-      $.publish(Events.USER_SETTINGS_CHANGED, [key, value]);    
+      $.publish(Events.USER_SETTINGS_CHANGED, [key, value]);
     },
 
     /**

js/utils/core.js

@@ -34,8 +34,10 @@ if (typeof Function.prototype.bind !== "function") {
   var ns = $.namespace("pskl.utils");
 
   ns.rgbToHex = function(r, g, b) {
-    if (r > 255 || g > 255 || b > 255)
+    if (r > 255 || g > 255 || b > 255) {
       throw "Invalid color component";
+    }
+    
     return ((r << 16) | (g << 8) | b).toString(16);
   };