:bug: adding by-date to accepted sort types

vue-theme/src/utils/helpers.js

     return type.charAt(0).toUpperCase() + type.slice(1)
 }
 
-const materials = [
-    'clay',
-    'fiber',
-    'glass',
-    'metal',
-    'paper',
-    'wood'
-]
+const materials = ['clay', 'fiber', 'glass', 'metal', 'paper', 'wood']
 
 const sortTypes = {
     alpha: 'by-alpha',
-    recent: 'by-recent',
-    material: 'by-material',
+u    material: 'by-material',
     artist: 'by-artist',
     episode: 'by-episode',
     upcoming: 'by-upcoming',
     current: 'by-current',
     subtype: 'by-type',
+    date: 'by-date',
     currentAndUpcoming: 'by-current-and-upcoming',
     past: 'by-past',
 }
 
 const formatDate = (unix, includeTime) => {
     const d = new Date(parseInt(unix) * 1000)
-    return includeTime ? d.toLocaleString('en-US', { timeZone: 'UTC' }) : d.toLocaleDateString('en-US', { timeZone: 'UTC' })
+    return includeTime
+        ? d.toLocaleString('en-US', { timeZone: 'UTC' })
+        : d.toLocaleDateString('en-US', { timeZone: 'UTC' })
 }
 
 export {
     sortTypes,
     postTypes,
     ytThumbnail,
-    formatDate
+    formatDate,
 }