js linting

.eslintrc

@@ -1,3 +1,6 @@
 {
-      "extends": "ascribe"
+      "extends": "ascribe",
+      "rules": {
+          "no-unused-vars": 0
+      }
 }

_src/_assets/js/_dnt.js

@@ -1,5 +1,3 @@
-/* eslint-disable */
-
 /**
  * Returns true or false based on whether doNotTack is enabled. It also takes into account the
  * anomalies, such as !bugzilla 887703, which effect versions of Fx 31 and lower. It also handles
@@ -10,39 +8,36 @@
  * @returns {boolean} true if enabled else false
  */
 function _dntEnabled(dnt, userAgent) {
-
-    'use strict';
-
     // for old version of IE we need to use the msDoNotTrack property of navigator
     // on newer versions, and newer platforms, this is doNotTrack but, on the window object
     // Safari also exposes the property on the window object.
-    var dntStatus = dnt || navigator.doNotTrack || window.doNotTrack || navigator.msDoNotTrack;
-    var ua = userAgent || navigator.userAgent;
+    let dntStatus = dnt || navigator.doNotTrack || window.doNotTrack || navigator.msDoNotTrack
+    const ua = userAgent || navigator.userAgent
 
     // List of Windows versions known to not implement DNT according to the standard.
-    var anomalousWinVersions = ['Windows NT 6.1', 'Windows NT 6.2', 'Windows NT 6.3'];
+    const anomalousWinVersions = ['Windows NT 6.1', 'Windows NT 6.2', 'Windows NT 6.3']
 
-    var fxMatch = ua.match(/Firefox\/(\d+)/);
-    var ieRegEx = /MSIE|Trident/i;
-    var isIE = ieRegEx.test(ua);
+    const fxMatch = ua.match(/Firefox\/(\d+)/)
+    const ieRegEx = /MSIE|Trident/i
+    const isIE = ieRegEx.test(ua)
     // Matches from Windows up to the first occurance of ; un-greedily
     // http://www.regexr.com/3c2el
-    var platform = ua.match(/Windows.+?(?=;)/g);
+    const platform = ua.match(/Windows.+?(?=;)/g)
 
     // With old versions of IE, DNT did not exist so we simply return false;
     if (isIE && typeof Array.prototype.indexOf !== 'function') {
-        return false;
+        return false
     } else if (fxMatch && parseInt(fxMatch[1], 10) < 32) {
         // Can't say for sure if it is 1 or 0, due to Fx bug 887703
-        dntStatus = 'Unspecified';
+        dntStatus = 'Unspecified'
     } else if (isIE && platform && anomalousWinVersions.indexOf(platform.toString()) !== -1) {
         // default is on, which does not honor the specification
-        dntStatus = 'Unspecified';
+        dntStatus = 'Unspecified'
     } else {
         // sets dntStatus to Disabled or Enabled based on the value returned by the browser.
         // If dntStatus is undefined, it will be set to Unspecified
-        dntStatus = { '0': 'Disabled', '1': 'Enabled' }[dntStatus] || 'Unspecified';
+        dntStatus = { '0': 'Disabled', '1': 'Enabled' }[dntStatus] || 'Unspecified'
     }
 
-    return dntStatus === 'Enabled' ? true : false;
+    return dntStatus === 'Enabled'
 }

_src/_assets/js/ipdb.js

@@ -1,3 +1,5 @@
+/* global SmoothScroll */
+
 // =include _dnt.js
 // =include smooth-scroll/dist/js/smooth-scroll.js