diff --git a/frontend/src/classes/Deck.js b/frontend/src/classes/Deck.js
new file mode 100644
index 0000000..51143b9
--- /dev/null
+++ b/frontend/src/classes/Deck.js
@@ -0,0 +1,96 @@
+'use strict'
+
+export default class {
+  constructor(str) {
+    // select all lines containing card serial numbers
+    let cardLinesRE = /^.*\b\d-\d{3}[A-Z]?\b.*$/gm
+    let cardLines = str.match(cardLinesRE)
+    let cardCounts = {}
+
+    cardLines.forEach(cardLine => {
+      // extract serial (guaranteed to be in here!)
+      let serialRE = /\b(\d-\d{3})[A-Z]?\b/i
+      let serial = serialRE.exec(cardLine)[1]
+
+      // strip out serial number
+      cardLine = cardLine.replace(serialRE, '')
+
+      let countREs = [
+        // prioritize a count with "times" symbol *, x, ×
+        /\b([0-9]+)(?:[*×]|[x]\b)/,
+        /(?:[*×]|\b[x])([0-9]+)\b/,
+        // next priority: count with whitespace
+        /\s+([0-9]+)\s+/,
+        /\s+([0-9]+)\b/,
+        /\b([0-9]+)\s+/,
+        // least priority: any simple number
+        /\b([0-9]+)\b/
+      ]
+
+      // fallback value
+      let count = 1
+      for (let i = 0; i < countREs.length; i++) {
+        let data = countREs[i].exec(cardLine)
+
+        if (data) {
+          count = Number(data[1])
+          break
+        }
+      }
+
+      // count copies
+      if (!cardCounts[serial]) {
+        cardCounts[serial] = 0
+      }
+      cardCounts[serial] += count
+    })
+
+    // push card data into deck
+    this.cards = []
+    Object.keys(cardCounts).forEach(serial => {
+      this.cards.push({
+        serial: serial,
+        count: cardCounts[serial]
+      })
+    })
+
+    // strip out lines with serial numbers
+    str = str.replace(cardLinesRE, '')
+    // then strip out anything after the first empty line
+    str = str.replace(/^[\s]*$[^]*/m, '')
+
+    // select the line containing 'deck name:'
+    // and its successor (ffdecks format)
+    let metaRE = /^Deck Name: (.+)$[\s]*?^(.+)$/m
+    let metaData = metaRE.exec(str)
+
+    // fallback
+    this.name = 'Unnamed Deck'
+    this.note = ''
+
+    if (!metaData) {
+      // use lax format: <anything>:[deck name][newline][note]
+      metaRE = /[^]*?:(.+)$[\s]*?^([^]*)/m
+      metaData = metaRE.exec(str)
+    }
+
+    // look again, I am not an else!
+    if (metaData) {
+      // extract matches
+      this.name = metaData[1].trim()
+      this.note = metaData[2].trim()
+    }
+  }
+
+  count() {
+    return this.cards.reduce((total, card) => total + card.count, 0)
+  }
+
+  plainObject() {
+    return {
+      name: this.name,
+      note: this.note,
+      cards: this.cards
+    }
+  }
+}
diff --git a/frontend/src/components/forms/DeckEditor.vue b/frontend/src/components/forms/DeckEditor.vue
index 14d542d..cf8e040 100644
--- a/frontend/src/components/forms/DeckEditor.vue
+++ b/frontend/src/components/forms/DeckEditor.vue
@@ -49,6 +49,7 @@
 <script>
 import * as Cookies from 'js-cookie'
 import axios from '@/plugins/axios'
+import Deck from '@/classes/Deck'
 
 export default {
   name: 'DeckEditor',
@@ -72,123 +73,25 @@ export default {
     session: () => Cookies.get('session'),
 
     new_deck() {
+      let deck
       try {
-        return this.parse_deck(this.new_decklist)
+        deck = new Deck(this.new_decklist)
       } catch (e) {
-        return this.parse_deck(this.value)
+        deck = new Deck(this.value)
       }
+      return deck
     }
   },
 
   methods: {
-    parse_deck(deck_string) {
-      let retval = {
-        name: '',
-        note: '',
-        cards: [],
-        count: 0
-      }
-
-      // select all lines containing card serial numbers
-      let cardLinesRE = /^.*\b\d-\d{3}[A-Z]?\b.*$/gm
-      let cardLines = deck_string.match(cardLinesRE)
-      let cardCounts = {}
-
-      cardLines.forEach(cardLine => {
-        // extract serial (guaranteed to be in here!)
-        let serialRE = /\b(\d-\d{3})[A-Z]?\b/i
-        let serial = serialRE.exec(cardLine)[1]
-
-        // strip out serial number
-        cardLine = cardLine.replace(serialRE, '')
-
-        let countREs = [
-          // prioritize a count with "times" symbol *, x, ×
-          /\b([0-9]+)(?:[*×]|[x]\b)/,
-          /(?:[*×]|\b[x])([0-9]+)\b/,
-          // next priority: count with whitespace
-          /\s+([0-9]+)\s+/,
-          /\s+([0-9]+)\b/,
-          /\b([0-9]+)\s+/,
-          // least priority: any simple number
-          /\b([0-9]+)\b/
-        ]
-
-        // fallback value
-        let count = 1
-        for (let i = 0; i < countREs.length; i++) {
-          let data = countREs[i].exec(cardLine)
-
-          if (data) {
-            count = Number(data[1])
-            break
-          }
-        }
-
-        // count copies
-        if (!cardCounts[serial]) {
-          cardCounts[serial] = 0
-        }
-        cardCounts[serial] += count
-
-        retval.count += count
-      })
-
-      // push card data into deck
-      Object.keys(cardCounts).forEach(serial => {
-        retval.cards.push({
-          serial: serial,
-          count: cardCounts[serial]
-        })
-      })
-
-      // strip out lines with serial numbers
-      deck_string = deck_string.replace(cardLinesRE, '')
-
-      // select the line containing 'deck name:'
-      // and its successor (ffdecks format)
-      let metaRE = /^Deck Name: (.+)$[\s]*?^(.+)$/m
-      let metaData = metaRE.exec(deck_string)
-
-      // fallback
-      retval.name = 'Unnamed Deck'
-      retval.note = ''
-
-      if (!metaData) {
-        // no ffdecks format found: strip out anything after the first empty line
-        deck_string = deck_string.replace(/^[\s]*$[^]*/m, '')
-
-        // use lax format: <anything>:[deck name][newline][note]
-        metaRE = /[^]*?:(.+)$[\s]*?^([^]*)/m
-        metaData = metaRE.exec(deck_string)
-      }
-
-      // look again, I am not an else!
-      if (metaData) {
-        // extract matches
-        retval.name = metaData[1].trim()
-        retval.note = metaData[2].trim()
-      }
-
-      return retval
-    },
-
     close() {
       this.checked = false
       this.$emit('close')
     },
 
-    update_deck(text) {
-      try {
-        this.new_deck = this.parse_deck(text)
-      } catch (e) {
-        this.new_deck = this.parse_deck(this.value)
-      }
-    },
-
     check_deck() {
       // count number of cards
-      this.check.count = this.new_deck.count
+      this.check.count = this.new_deck.count()
 
       // find most frequent card
       this.check.maximum = 0
@@ -205,7 +108,7 @@ export default {
         .post('/decks/modify', {
           session: this.session,
           deckID: this.id,
-          deckCards: this.new_deck
+          deckCards: this.new_deck.plainObject()
         })
         .then(response => {
           if (response.data.success) {