Update eslint spacing rules (#366)

* Add space-infix-ops rule

* Add no-multi-spaces

---------

Co-authored-by: Darius Jahandarie <djahandarie@gmail.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/ext/js/dom/selector-observer.js b/ext/js/dom/selector-observer.js
index 2cf46543..8dd18242 100644
--- a/ext/js/dom/selector-observer.js
+++ b/ext/js/dom/selector-observer.js
@@ -25,7 +25,7 @@ export class SelectorObserver {
      * Creates a new instance.
      * @param {import('selector-observer').ConstructorDetails<T>} details The configuration for the object.
      */
-    constructor({selector, ignoreSelector=null, onAdded=null, onRemoved=null, onChildrenUpdated=null, isStale=null}) {
+    constructor({selector, ignoreSelector = null, onAdded = null, onRemoved = null, onChildrenUpdated = null, isStale = null}) {
         /** @type {string} */
         this._selector = selector;
         /** @type {?string} */
@@ -65,7 +65,7 @@ export class SelectorObserver {
      * @throws {Error} An error if element is null.
      * @throws {Error} An error if an element is already being observed.
      */
-    observe(element, attributes=false) {
+    observe(element, attributes = false) {
         if (element === null) {
             throw new Error('Invalid element');
         }