:sparkles: breaking out title push func

vue-theme/src/store/modules/artist.js

@@ -36,31 +36,28 @@ const _arrangeByMaterial = artistsList => {
 
 let seen = 0
 let hasTitle = []
+const storeTitle = letter => {
+    if(hasTitle.includes(letter)) return
+    flatPacked.push({ slug: letter, title: letter, inbetween: true })
+    hasTitle.push(letter)
+}
 const _arrangeByAlpha = artistsList => {
     const alphabet = [...'9abcdefghijklmnopqrstuvwxyz']
     const flatPacked = []
     artistsList.forEach((artist, i) => {
         const lastWord = artist.slug.split('-').filter(c => c).pop()
-        const firstCharaOfLastWord = lastWord[0]
         const firstCharaOfSortWord = artist.sortname ? artist.sortname[0] : 'z'
-        const charaIndex = alphabet.indexOf(firstCharaOfLastWord) < alphabet.indexOf(firstCharaOfSortWord) ? alphabet.indexOf(firstCharaOfLastWord) : alphabet.indexOf(firstCharaOfSortWord)
+        const charaIndex = alphabet.indexOf(lastWord[0]) < alphabet.indexOf(firstCharaOfSortWord) ? alphabet.indexOf(lastWord[0]) : alphabet.indexOf(firstCharaOfSortWord)
         
-        console.log('chara loading:', charaIndex)
-        // The first artist you've seen in this batch
+        // The first artist you've seen in THIS BATCH
         if(i == 0) {
             seen = charaIndex
-            flatPacked.push({ slug: alphabet[seen], title: alphabet[seen], inbetween: true })
-            hasTitle.push(alphabet[seen])
+            storeTitle(alphabet[seen])
         }
-
         if (charaIndex == seen + 1) {
             seen++
-            if(seen > alphabet.length) { seen = 0 }
-            
-            if(!hasTitle.includes(alphabet[seen])) {
-                flatPacked.push({ slug: alphabet[seen], title: alphabet[seen], inbetween: true })
-                hasTitle.push(alphabet[seen])
-            }
+            if(seen > alphabet.length) seen = 0
+            storeTitle(alphabet[seen])
         }
         flatPacked.push(artist)
     })