:recycle: trying one title and switching if seen

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

@@ -56,13 +56,21 @@ const _arrangeByAlpha = (postsList, seenTitles) => {
         const lastWord = post.slug.split('-').filter(c => c).pop()
         const firstCharaOflastWord = lastWord[0]
         const firstCharaOfSortWord = post.sortname ? post.sortname[0] : 'z'
-        let charaIndex = alphabet.indexOf(firstCharaOflastWord) < alphabet.indexOf(firstCharaOfSortWord) ? alphabet.indexOf(firstCharaOflastWord) : alphabet.indexOf(firstCharaOfSortWord)
         
-        // Kamaka problem
-        if(seenTitles.includes(letter)) {
-            charaIndex = alphabet.indexOf(firstCharaOflastWord) > alphabet.indexOf(firstCharaOfSortWord) ? alphabet.indexOf(firstCharaOflastWord) : alphabet.indexOf(firstCharaOfSortWord)
+        let charaIndex = null
+        let otherIndex = null
+        const lastWordAlphaIndex = alphabet.indexOf(firstCharaOflastWord)
+        const altWordAlphaIndex = alphabet.indexOf(firstCharaOfSortWord)
+        if(lastWordAlphaIndex < altWordAlphaIndex) {
+            charaIndex = lastWordAlphaIndex
+            otherIndex = altWordAlphaIndex
+        } else if (lastWordAlphaIndex > altWordAlphaIndex) {
+            otherIndex = lastWordAlphaIndex
+            charaIndex = altWordAlphaIndex
+        }
+        if(seenTitles.includes(alphabet[charaIndex])) {
+            charaIndex = otherIndex
         }
-
         storeTitle(alphabet[charaIndex])
         flatPacked.push(post)
     })