refactor: Misc js lint changes

src/features/painter/index.js

@@ -38,7 +38,7 @@ const paint = postElements => filterPostElements(postElements, { excludeClass })
       try {
         const { response: { tags: sourceTags } } = await apiFetch(`/v2/blog/${rebloggedRootUuid}/posts/${rebloggedRootId}`);
         if (sourceTags.some(tag => tagArray.includes(tag.toLowerCase()))) coloursToApply.push(tagColour);
-      } catch (exception) {
+      } catch {
         // The source post can't be found, so we can't extract tags from it either.
         // This means we don't have to do anything else with it, and we can quit quietly.
       }

src/features/quick_tags/options/index.js

@@ -54,7 +54,7 @@ const editTagBundle = async ({ currentTarget }) => {
     currentTarget.firstElementChild.className = 'ri-pencil-line';
 
     const { [storageKey]: tagBundles = [] } = await browser.storage.local.get(storageKey);
-    const index = parseInt(parentNode.id);
+    const index = parseInt(parentNode.id, 10);
     const tagBundle = tagBundles[index];
 
     for (const input of inputs) {
@@ -70,7 +70,7 @@ const deleteBundle = async ({ currentTarget }) => {
   const { parentNode: { parentNode } } = currentTarget;
 
   const { [storageKey]: tagBundles = [] } = await browser.storage.local.get(storageKey);
-  const index = parseInt(parentNode.id);
+  const index = parseInt(parentNode.id, 10);
   tagBundles.splice(index, 1);
   browser.storage.local.set({ [storageKey]: tagBundles });
 };

src/features/scroll_to_bottom/index.js

@@ -24,7 +24,7 @@ export const styleElement = buildStyle(`
 
 let timeoutID;
 
-const onLoadersAdded = loaders => {
+const onLoadersAdded = () => {
   if (active) {
     clearTimeout(timeoutID);
   }

src/features/timeformat/index.js

@@ -92,7 +92,7 @@ const thresholds = [
 ];
 
 const constructRelativeTimeString = function (unixTime) {
-  const now = Math.trunc(new Date().getTime() / 1000);
+  const now = Math.trunc(Date.now() / 1000);
   const unixDiff = unixTime - now;
   const unixDiffAbsolute = Math.abs(unixDiff);
 

src/features/timestamps/index.js

@@ -92,7 +92,7 @@ const constructISOString = function (unixTime) {
 };
 
 const constructRelativeTimeString = function (unixTime) {
-  const now = Math.trunc(new Date().getTime() / 1000);
+  const now = Math.trunc(Date.now() / 1000);
   const unixDiff = unixTime - now;
   const unixDiffAbsolute = Math.abs(unixDiff);
 
@@ -175,7 +175,7 @@ const addReblogTimestamps = async function () {
         timestampElement.textContent = constructTimeString(result);
         timestampElement.title = constructRelativeTimeString(result);
       }).catch(exception => {
-        timestampElement.textContent = (exception.body && exception.body.meta) ? exception.body.meta.msg : '';
+        timestampElement.textContent = exception.body?.meta?.msg ?? '';
       });
     });
   });