Fix linting errors and update changelog

CHANGES.md

@@ -4,6 +4,7 @@
 
 - [enable_smacks](https://conversejs.org/docs/html/configuration.html#enable-smacks) is not set to `true` by default.
 - Refactor some presence and status handling code from `converse-core` into `@converse/headless/converse-status`.
+- It's now possible to navigate the emoji-picker via the keyboard arrow keys.
 
 - Add support for [notifications about affiliation change for users not in a room](https://xmpp.org/extensions/xep-0045.html#example-196)
 - Add support for [XEP-0424 Message Retraction](http://localhost:3080/extensions/xep-0424.html)

src/converse-emoji-views.js

@@ -327,9 +327,6 @@ converse.plugins.add('converse-emoji-views', {
                         ev.preventDefault();
                         ev.stopPropagation();
                         ev.target.blur();
-                        const category = this.model.get('current_category');
-                        // If there's no category, we're viewing search results.
-                        const selector = category ? `ul[data-category="${category}"]` : 'ul';
                         this.disableArrowNavigation();
                         this.navigator.enable();
                         this.navigator.handleKeydown(ev);

src/dom-navigator.js

@@ -4,7 +4,6 @@
  * This module started as a fork of Rubens Mariuzzo's dom-navigator.
  * @copyright Rubens Mariuzzo, JC Brand
  */
-import log from  "@converse/headless/log";
 import u from './utils/html';
 
 
@@ -105,6 +104,22 @@ class DOMNavigator {
         };
     }
 
+    static getClosestElement (els, getDistance) {
+        const next = els.reduce((prev, curr) => {
+            const current_distance = getDistance(curr);
+            if (current_distance < prev.distance) {
+                return {
+                    distance: current_distance,
+                    element: curr
+                };
+            }
+            return prev;
+        }, {
+            distance: Infinity
+        });
+        return next.element;
+    }
+
     /**
      * Create a new DOM Navigator.
      * @param { Element } container The container of the element to navigate.
@@ -189,22 +204,6 @@ class DOMNavigator {
         }
     }
 
-    getClosestElement (els, getDistance) {
-        const next = els.reduce((prev, curr) => {
-            const current_distance = getDistance(curr);
-            if (current_distance < prev.distance) {
-                return {
-                    distance: current_distance,
-                    element: curr
-                };
-            }
-            return prev;
-        }, {
-            distance: Infinity
-        });
-        return next.element;
-    }
-
     /**
      * @method DOMNavigator#getNextElement
      * @param {'down'|'right'|'left'|'up'} direction