From 2c8f3b56aea4208d8b68850ee97795d3336a8329 Mon Sep 17 00:00:00 2001
From: Sosuke Suzuki <aosukeke@gmail.com>
Date: Tue, 10 Apr 2018 17:14:25 +0900
Subject: [PATCH] use arrow functions

---
 browser/main/SideNav/index.js | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/browser/main/SideNav/index.js b/browser/main/SideNav/index.js
index a20fe665..af9ab925 100644
--- a/browser/main/SideNav/index.js
+++ b/browser/main/SideNav/index.js
@@ -145,13 +145,12 @@ class SideNav extends React.Component {
 
   tagListComponent () {
     const { data, location, config } = this.props
-    let tagList = _.sortBy(data.tagNoteMap.map((tag, name) => {
-      return { name, size: tag.size }
-    }), ['name'])
+    let tagList = _.sortBy(data.tagNoteMap.map(
+      (tag, name) => ({name, size: tag.size})),
+      ['name']
+    )
     if (config.sortTagsBy === 'COUNTER') {
-      tagList = _.sortBy(tagList, function (item) {
-        return 0 - item.size
-      })
+      tagList = _.sortBy(tagList, item => (0 - item.size))
     }
     return (
       tagList.map(tag => {