Cleaned up and updated vars to ES6

src/js/utils/detector.js

@@ -4,26 +4,21 @@
  */
 
 export default {
-
   canvas: !!window.CanvasRenderingContext2D,
   webgl: (function() {
-
     try {
-
       var canvas = document.createElement('canvas');
+
       return !!( window.WebGLRenderingContext && ( canvas.getContext('webgl') || canvas.getContext('experimental-webgl') ) );
-
     } catch(e) {
-
       return false;
-
     }
   })(),
+
   workers: !!window.Worker,
   fileapi: window.File && window.FileReader && window.FileList && window.Blob,
 
   getWebGLErrorMessage: function() {
-
     var element = document.createElement('div');
     element.id = 'webgl-error-message';
     element.style.fontFamily = 'monospace';
@@ -37,7 +32,6 @@ export default {
     element.style.margin = '5em auto 0';
 
     if(!this.webgl) {
-
       element.innerHTML = window.WebGLRenderingContext ? [
         'Your graphics card does not seem to support <a href="http://khronos.org/webgl/wiki/Getting_a_WebGL_Implementation" style="color:#000000">WebGL</a>.<br />',
         'Find out how to get it <a href="http://get.webgl.org/" style="color:#000000">here</a>.'
@@ -45,15 +39,12 @@ export default {
         'Your browser does not seem to support <a href="http://khronos.org/webgl/wiki/Getting_a_WebGL_Implementation" style="color:#000000">WebGL</a>.<br/>',
         'Find out how to get it <a href="http://get.webgl.org/" style="color:#000000">here</a>.'
       ].join('\n');
-
     }
 
     return element;
-
   },
 
   addGetWebGLMessage: function(parameters) {
-
     var parent, id, element;
 
     parameters = parameters || {};
@@ -65,7 +56,5 @@ export default {
     element.id = id;
 
     parent.appendChild(element);
-
   }
-
 };

src/js/utils/helpers.js

@@ -1,16 +1,15 @@
 export default class Helpers {
   static throttle(fn, threshhold, scope) {
     threshhold || (threshhold = 250);
-    var last, deferTimer;
+    let last, deferTimer;
 
     return function() {
-      var context = scope || this;
+      const context = scope || this;
 
-      var now  = +new Date,
+      const now  = +new Date,
           args = arguments;
 
       if(last && now < last + threshhold) {
-        // hold on to it
         clearTimeout(deferTimer);
         deferTimer = setTimeout(function() {
           last = now;

src/js/utils/keyboard.js

@@ -32,7 +32,7 @@ export default class Keyboard {
   }
 
   onBlur() {
-    for(let prop in this.keyCodes)
+    for(const prop in this.keyCodes)
       this.keyCodes[prop] = false;
   }
 
@@ -41,14 +41,14 @@ export default class Keyboard {
     //console.log('onKeyChange', event, event.keyCode, event.shiftKey, event.ctrlKey, event.altKey, event.metaKey)
 
     // update this.keyCodes
-    let keyCode = event.keyCode;
+    const keyCode = event.keyCode;
     this.keyCodes[keyCode] = event.type === 'keydown';
   }
 
   pressed(keyDesc) {
-    let keys = keyDesc.split('+');
+    const keys = keyDesc.split('+');
     for(let i = 0; i < keys.length; i++) {
-      let key = keys[i];
+      const key = keys[i];
       let pressed = false;
       if(Object.keys(ALIAS).indexOf(key) != -1) {
         pressed = this.keyCodes[ALIAS[key]];
@@ -63,24 +63,24 @@ export default class Keyboard {
   }
 
   eventMatches(event, keyDesc) {
-    let aliases = ALIAS;
+    const aliases = ALIAS;
-    let aliasKeys = Object.keys(aliases);
+    const aliasKeys = Object.keys(aliases);
-    let keys = keyDesc.split('+');
+    const keys = keyDesc.split('+');
     // log to debug
     // console.log('eventMatches', event, event.keyCode, event.shiftKey, event.ctrlKey, event.altKey, event.metaKey)
     for(let i = 0; i < keys.length; i++) {
-      let key = keys[i];
+      const key = keys[i];
       let pressed = false;
       if(key === 'shift') {
-        pressed = (event.shiftKey ? true : false);
+        pressed = event.shiftKey ? true : false;
       } else if(key === 'ctrl') {
-        pressed = (event.ctrlKey ? true : false);
+        pressed = event.ctrlKey ? true : false;
       } else if(key === 'alt') {
-        pressed = (event.altKey ? true : false);
+        pressed = event.altKey ? true : false;
       } else if(key === 'meta') {
-        pressed = (event.metaKey ? true : false);
+        pressed = event.metaKey ? true : false;
       } else if(aliasKeys.indexOf(key) !== -1) {
-        pressed = (event.keyCode === aliases[key]);
+        pressed = event.keyCode === aliases[key];
       } else if(event.keyCode === key.toUpperCase().charCodeAt(0)) {
         pressed = true;
       }