Update JSHint rules and abide by them

Author: i-like-robots

.jshintrc

@@ -1,36 +1,41 @@
 {
   // strict
-  "bitwise":       true,
-  "camelcase":     true,
-  "curly":         true,
-  "eqeqeq":        true,
-  "es3":           false,
-  "forin":         false,
-  "freeze":        false,
-  "immed":         true,
-  "indent":        4,
-  "latedef":       true,
-  "newcap":        true,
-  "noarg":         true,
-  "noempty":       true,
-  "nonew":         false,
-  "plusplus":      false,
-  "quotmark":      true,
-  "undef":         true,
-  "strict":        true,
-  "trailing":      true,
-  "maxparams":     4,
-  "maxdepth":      5,
-  "maxstatements": 20,
-  "maxlen":        120,
+  "bitwise":        false,
+  "camelcase":      true,
+  "curly":          false,
+  "eqeqeq":         false,
+  "es3":            false,
+  "forin":          false,
+  "freeze":         false,
+  "immed":          true,
+  "indent":         4,
+  "latedef":        true,
+  "newcap":         true,
+  "noarg":          true,
+  "noempty":        true,
+  "nonew":          false,
+  "plusplus":       false,
+  "quotmark":       "single",
+  "undef":          true,
+  "strict":         true,
+  "trailing":       true,
+  "unused":         true,
+  "expr":           true,
+
+  // relax
+  "boss":           true,
+  "eqnull":         true,
+  "supernew":       true,
+  "validthis":      true,
 
   // environment
-  "browser":       true,
+  "browser":        true,
 
   // globals
   "globals": {
-    "jQuery":      true,
-    "module":      true,
-    "define":      false
+    "module":       true,
+    "define":       false,
+    "require":      false,
+    "jQuery":       false
   }
 }

src/easyzoom.js

@@ -53,12 +53,13 @@
         this.$flyout = $('<div class="easyzoom-flyout" />');
         this.$notice = $('<div class="easyzoom-notice" />');
 
-        this.$target
-            .on('mousemove.easyzoom touchmove.easyzoom', $.proxy(this._onMove, this))
-            .on('mouseleave.easyzoom touchend.easyzoom', $.proxy(this._onLeave, this))
-            .on('mouseenter.easyzoom touchstart.easyzoom', $.proxy(this._onEnter, this));
+        this.$target.on({
+            'mousemove.easyzoom touchmove.easyzoom': $.proxy(this._onMove, this),
+            'mouseleave.easyzoom touchend.easyzoom': $.proxy(this._onLeave, this),
+            'mouseenter.easyzoom touchstart.easyzoom': $.proxy(this._onEnter, this)
+        });
 
-        this.opts.preventClicks &&this.$target.on('click.easyzoom', function(e) {
+        this.opts.preventClicks && this.$target.on('click.easyzoom', function(e) {
             e.preventDefault();
         });
     };
@@ -111,7 +112,7 @@
 
         this.isMouseOver = true;
 
-        if (touches && touches.length == 1) {
+        if (!touches || touches.length == 1) {
             e.preventDefault();
             this.show(e, true);
         }
@@ -132,9 +133,8 @@
     /**
      * On leave
      * @private
-     * @param {Event} e
      */
-    EasyZoom.prototype._onLeave = function(e) {
+    EasyZoom.prototype._onLeave = function() {
         this.isMouseOver = false;
         this.isOpen && this.hide();
     };
@@ -180,7 +180,7 @@
      * @param {Function} callback
      */
     EasyZoom.prototype._loadImage = function(href, callback) {
-        var zoom = new Image();
+        var zoom = new Image;
 
         this.$target
             .addClass('is-loading')
@@ -205,8 +205,7 @@
             var touchlist = e.touches || e.originalEvent.touches;
             lx = touchlist[0].pageX;
             ly = touchlist[0].pageY;
-        }
-        else {
+        } else {
             lx = e.pageX || lx;
             ly = e.pageY || ly;
         }
@@ -220,8 +219,7 @@
         // Close if outside
         if (xl < 0 || xt < 0 || xl > dw || xt > dh) {
             this.hide();
-        }
-        else {
+        } else {
             var top = xt * -1;
             var left = xl * -1;
 
@@ -300,8 +298,7 @@
 
             if (!api) {
                 $.data(this, 'easyZoom', new EasyZoom(this, options));
-            }
-            else if (api.isOpen === undefined) {
+            } else if (api.isOpen === undefined) {
                 api._init();
             }
         });
@@ -312,8 +309,7 @@
         define(function() {
             return EasyZoom;
         });
-    }
-    else if (typeof module !== 'undefined' && module.exports) {
+    } else if (typeof module !== 'undefined' && module.exports) {
         module.exports = EasyZoom;
     }