Fix eslint for plugins/zoom-slider.js

plugins/zoom-slider.js

@@ -1,12 +1,17 @@
 // @author         fragger
 // @name           Zoom slider
 // @category       Controls
-// @version        0.2.2
+// @version        0.2.3
 // @description    Show a zoom slider on the map instead of the zoom buttons.
 
 /* exported setup, changelog --eslint */
+/* global L -- eslint */
 
 var changelog = [
+  {
+    version: '0.2.3',
+    changes: ['Refactoring: fix eslint'],
+  },
   {
     version: '0.2.2',
     changes: ['Version upgrade due to a change in the wrapper: added plugin icon'],
@@ -19,15 +24,13 @@ window.plugin.zoomSlider = zoomSlider;
 
 zoomSlider.options = {
   // Height of zoom-slider.png in px
-  //stepHeight: 8,
-
+  // stepHeight: 8,
   // Height of the knob div in px (including border)
-  //knobHeight: 6,
-
-  //styleNS: 'leaflet-control-zoomslider'
+  // knobHeight: 6,
+  // styleNS: 'leaflet-control-zoomslider'
 };
 
-function setup () {
+function setup() {
   loadLeafletZoomslider();
 
   var map = window.map;
@@ -40,17 +43,15 @@ function setup () {
   // which makes zoomslider not aligning with other leaflet controls
   // Here we are trying to unset it (make the same as general `.leaflet-control`)
   // (adapted from https://github.com/kartena/Leaflet.zoomslider/pull/74)
-  $('<style>')
-    .html('.leaflet-touch .leaflet-control-zoomslider { border: 2px solid rgba(0,0,0,0.2) }')
-    .appendTo('head');
+  $('<style>').html('.leaflet-touch .leaflet-control-zoomslider { border: 2px solid rgba(0,0,0,0.2) }').appendTo('head');
 }
 
-function loadLeafletZoomslider () {
+function loadLeafletZoomslider() {
   try {
     // https://github.com/kartena/Leaflet.zoomslider
+    // eslint-disable-next-line
     '@include_raw:external/L.Control.Zoomslider.js@';
     $('<style>').html('@include_string:external/L.Control.Zoomslider.css@').appendTo('head');
-
   } catch (e) {
     console.error('L.Control.Zoomslider.js loading failed');
     throw e;