From 972a6d9773dcd5d3599a90904031d3c6d709f3b9 Mon Sep 17 00:00:00 2001
From: Thummanoon Kunanuntakij <boat@jitta.com>
Date: Sat, 13 Oct 2018 02:09:34 +0700
Subject: [PATCH] convert variable declaration to es6 style

---
 examples/node-download.js | 20 ++++++++++----------
 examples/node-seed.js     |  8 +++-----
 lib/global.js             | 26 +++++++++++---------------
 package.json              |  2 +-
 4 files changed, 25 insertions(+), 31 deletions(-)

diff --git a/examples/node-download.js b/examples/node-download.js
index 65a3e6b..8739dd7 100644
--- a/examples/node-download.js
+++ b/examples/node-download.js
@@ -1,24 +1,24 @@
-// var WebTorrent = require('webtorrent-hybrid')
-var WebTorrent = require('../index')
-var fs = require('fs')
+const WebTorrent = require('../index')
+const fs = require('fs')
 
-var client = new WebTorrent()
+const client = new WebTorrent()
 
-var torrentId = 'magnet:?xt=urn:btih:6a9759bffd5c0af65319979fb7832189f4f3c35d'
+const torrentId = 'magnet:?xt=urn:btih:6a9759bffd5c0af65319979fb7832189f4f3c35d'
 
 console.log('torrentId:\t', torrentId)
 
 client.add(torrentId, torrent => {
-  var files = torrent.files
-  var length = files.length
+  const files = torrent.files
+  let length = files.length
   // Stream each file to the disk
   files.forEach(file => {
-    var source = file.createReadStream()
-    var destination = fs.createWriteStream(file.name)
+    const source = file.createReadStream()
+    const destination = fs.createWriteStream(file.name)
     source.on('end', () => {
       console.log('file:\t\t', file.name)
       // close after all files are saved
-      if (!--length) process.exit()
+      length -= 1
+      if (!length) process.exit()
     }).pipe(destination)
   })
 })
diff --git a/examples/node-seed.js b/examples/node-seed.js
index a10cd3f..7848792 100644
--- a/examples/node-seed.js
+++ b/examples/node-seed.js
@@ -1,9 +1,7 @@
-// var WebTorrent = require('webtorrent-hybrid')
-var WebTorrent = require('../index')
+const WebTorrent = require('../index')
 
-var client = new WebTorrent()
-
-var filePath = './node-seed.js'
+const client = new WebTorrent()
+const filePath = __filename
 
 console.log('filePath:', filePath)
 
diff --git a/lib/global.js b/lib/global.js
index 80cb30f..2ee535f 100644
--- a/lib/global.js
+++ b/lib/global.js
@@ -1,16 +1,18 @@
-var createTorrent = require('create-torrent')
-var ElectronWebRTC = require('electron-webrtc')
+const createTorrent = require('create-torrent')
+const ElectronWebRTC = require('electron-webrtc')
 
 global.WEBTORRENT_ANNOUNCE = createTorrent.announceList
-  .map(arr => {
-    return arr[0]
-  })
-  .filter(url => {
-    return url.indexOf('wss://') === 0 || url.indexOf('ws://') === 0
-  })
+  .map(arr => arr[0])
+  .filter(url => url.indexOf('wss://') === 0 || url.indexOf('ws://') === 0)
 
 global.WRTC = () => {
-  var wrtc = ElectronWebRTC()
+  const wrtc = ElectronWebRTC()
+
+  const ensureCloseElectron = () => {
+    process.removeListener('SIGINT', ensureCloseElectron)
+    process.removeListener('SIGTERM', ensureCloseElectron)
+    wrtc.close()
+  }
 
   process.on('SIGINT', ensureCloseElectron)
   process.on('SIGTERM', ensureCloseElectron)
@@ -21,11 +23,5 @@ global.WRTC = () => {
     }
   })
 
-  function ensureCloseElectron () {
-    process.removeListener('SIGINT', ensureCloseElectron)
-    process.removeListener('SIGTERM', ensureCloseElectron)
-    wrtc.close()
-  }
-
   return wrtc
 }
diff --git a/package.json b/package.json
index 74b403c..3ce1741 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "standard": "*"
   },
   "engines": {
-    "node": ">=4"
+    "node": ">=6"
   },
   "homepage": "http://webtorrent.io",
   "keywords": [