code cosmetics: pacify eslint

js/messaging.js

@@ -379,6 +379,8 @@ function onTabReady(tabOrId) {
  * @returns {Promise<Tab>} Promise that resolves to the opened/activated tab
  */
 function openURL({
+  // https://github.com/eslint/eslint/issues/10639
+  // eslint-disable-next-line no-undef
   url = arguments[0],
   index,
   active,

manage/manage.js

@@ -541,7 +541,7 @@ Object.assign(handleEvent, {
 });
 
 
-function handleUpdate(style, {reason, method, codeIsUpdated} = {}) {
+function handleUpdate(style, {reason, method} = {}) {
   if (reason === 'editPreview') return;
   // the style was toggled and refreshAllTabs() sent a mini-notification,
   // but we've already processed 'styleUpdated' sent directly from notifyAllTabs()