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.
@@ -20,71 +20,65 @@ 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]))
+      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]))
+      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);
+    const toCall = ARR_SLICE.call(arguments);
     return function() {
-      var args = ARR_SLICE.call(arguments);
-      for (var i = toCall.length - 1; i >= 0; i--) {
+      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;
-
-    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)
+    if (!obj) {
       return;
-
-    } else {
-
-      for (var key in obj)
-        if (itr.call(scope, obj[key], key) === this.BREAK)
-          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
+      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 (const key in obj) {
+        if (itr.call(scope, obj[key], key) === this.BREAK) {
+          return;
+        }
+      }
+    }
   },
 
   defer: function(fnc) {
@@ -105,7 +99,7 @@ var Common = {
   },
 
   isNaN: function(obj) {
-    return obj !== obj;
+    return isNaN(obj);
   },
 
   isArray: Array.isArray || function(obj) {
@@ -134,4 +128,4 @@ var Common = {
 
 };
 
-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;
+}