From e03c69ab8febc6093d092221724b3190a2da351d Mon Sep 17 00:00:00 2001
From: nztqa <nztqa@users.noreply.github.com>
Date: Wed, 28 Jun 2017 15:19:53 +0900
Subject: Fix: id generation

---
 models/checklists.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/models/checklists.js b/models/checklists.js
index 537aecb0..0ee62fa2 100644
--- a/models/checklists.js
+++ b/models/checklists.js
@@ -86,7 +86,13 @@ Checklists.mutations({
   //for items in checklist
   addItem(title) {
     const itemCount = this.itemCount();
-    const _id = `${this._id}${itemCount}`;
+    let idx = 0;
+    if (itemCount > 0) {
+      const lastId = this.items[itemCount - 1]._id;
+      const lastIdSuffix = lastId.substr(this._id.length);
+      idx = parseInt(lastIdSuffix, 10) + 1;
+    }
+    const _id = `${this._id}${idx}`;
     return { $addToSet: { items: { _id, title, isFinished: false } } };
   },
   removeItem(itemId) {
-- 
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