Fixed eslint issues

src/dat/utils/common.js

@@ -11,8 +11,8 @@
  * http://www.apache.org/licenses/LICENSE-2.0
  */
 
-var ARR_EACH = Array.prototype.forEach;
-var ARR_SLICE = Array.prototype.slice;
+const ARR_EACH = Array.prototype.forEach;
+const ARR_SLICE = Array.prototype.slice;
 
 /**
  * Band-aid methods for things that should be a lot easier in JavaScript.
@@ -20,118 +20,112 @@ var ARR_SLICE = Array.prototype.slice;
  * http://documentcloud.github.com/underscore/
  */
 
-var Common = {
-
+const Common = {
   BREAK: {},
 
-  extend: function (target) {
-
-    this.each(ARR_SLICE.call(arguments, 1), function (obj) {
-
-      for (var key in obj)
-        if (!this.isUndefined(obj[key]))
+  extend: function(target) {
+    this.each(ARR_SLICE.call(arguments, 1), function(obj) {
+      for (const key in obj) {
+        if (!this.isUndefined(obj[key])) {
           target[key] = obj[key];
-
+        }
+      }
     }, this);
 
     return target;
-
   },
 
-  defaults: function (target) {
-
-    this.each(ARR_SLICE.call(arguments, 1), function (obj) {
-
-      for (var key in obj)
-        if (this.isUndefined(target[key]))
+  defaults: function(target) {
+    this.each(ARR_SLICE.call(arguments, 1), function(obj) {
+      for (const key in obj) {
+        if (this.isUndefined(target[key])) {
           target[key] = obj[key];
-
+        }
+      }
     }, this);
 
     return target;
-
   },
 
-  compose: function () {
-    var toCall = ARR_SLICE.call(arguments);
-    return function () {
-      var args = ARR_SLICE.call(arguments);
-      for (var i = toCall.length - 1; i >= 0; i--) {
+  compose: function() {
+    const toCall = ARR_SLICE.call(arguments);
+    return function() {
+      let args = ARR_SLICE.call(arguments);
+      for (let i = toCall.length - 1; i >= 0; i--) {
         args = [toCall[i].apply(this, args)];
       }
       return args[0];
-    }
+    };
   },
 
-  each: function (obj, itr, scope) {
-
-    if (!obj) return;
+  each: function(obj, itr, scope) {
+    if (!obj) {
+      return;
+    }
 
     if (ARR_EACH && obj.forEach && obj.forEach === ARR_EACH) {
-
       obj.forEach(itr, scope);
-
     } else if (obj.length === obj.length + 0) { // Is number but not NaN
-
-      for (var key = 0, l = obj.length; key < l; key++)
-        if (key in obj && itr.call(scope, obj[key], key) === this.BREAK)
+      let key;
+      for (key = 0, l = obj.length; key < l; key++) {
+        if (key in obj && itr.call(scope, obj[key], key) === this.BREAK) {
           return;
-
+        }
+      }
     } else {
-
-      for (var key in obj)
-        if (itr.call(scope, obj[key], key) === this.BREAK)
+      for (const key in obj) {
+        if (itr.call(scope, obj[key], key) === this.BREAK) {
           return;
-
+        }
+      }
     }
-
   },
 
-  defer: function (fnc) {
+  defer: function(fnc) {
     setTimeout(fnc, 0);
   },
 
-  toArray: function (obj) {
+  toArray: function(obj) {
     if (obj.toArray) return obj.toArray();
     return ARR_SLICE.call(obj);
   },
 
-  isUndefined: function (obj) {
+  isUndefined: function(obj) {
     return obj === undefined;
   },
 
-  isNull: function (obj) {
+  isNull: function(obj) {
     return obj === null;
   },
 
-  isNaN: function (obj) {
-    return obj !== obj;
+  isNaN: function(obj) {
+    return isNaN(obj);
   },
 
-  isArray: Array.isArray || function (obj) {
+  isArray: Array.isArray || function(obj) {
     return obj.constructor === Array;
   },
 
-  isObject: function (obj) {
+  isObject: function(obj) {
     return obj === Object(obj);
   },
 
-  isNumber: function (obj) {
+  isNumber: function(obj) {
     return obj === obj + 0;
   },
 
-  isString: function (obj) {
+  isString: function(obj) {
     return obj === obj + '';
   },
 
-  isBoolean: function (obj) {
+  isBoolean: function(obj) {
     return obj === false || obj === true;
   },
 
-  isFunction: function (obj) {
+  isFunction: function(obj) {
     return Object.prototype.toString.call(obj) === '[object Function]';
   }
 
 };
 
-module.exports = Common;
+export default Common;

src/dat/utils/css.js

@@ -12,17 +12,18 @@
  */
 
 module.exports = {
-  load: function (url, doc) {
-    doc = doc || document;
-    var link = doc.createElement('link');
+  load: function(url, indoc) {
+    const doc = indoc || document;
+    const link = doc.createElement('link');
     link.type = 'text/css';
     link.rel = 'stylesheet';
     link.href = url;
     doc.getElementsByTagName('head')[0].appendChild(link);
   },
-  inject: function (css, doc) {
-    doc = doc || document;
-    var injected = document.createElement('style');
+
+  inject: function(css, indoc) {
+    const doc = indoc || document;
+    const injected = document.createElement('style');
     injected.type = 'text/css';
     injected.innerHTML = css;
     doc.getElementsByTagName('head')[0].appendChild(injected);

src/dat/utils/requestAnimationFrame.js

@@ -11,13 +11,16 @@
  * http://www.apache.org/licenses/LICENSE-2.0
  */
 
-module.exports = function () {
+export default function() {
+  function requestAnimationFrame(callback) {
+    // TODO: Get rid of window
+    window.setTimeout(callback, 1000 / 60);
+  }
+
   return window.requestAnimationFrame ||
     window.webkitRequestAnimationFrame ||
     window.mozRequestAnimationFrame ||
     window.oRequestAnimationFrame ||
     window.msRequestAnimationFrame ||
-    function (callback, element) {
-      window.setTimeout(callback, 1000 / 60);
-    };
-};
+    requestAnimationFrame;
+}