Style: no more var

src/renderer/lib/migrations.js

@@ -17,7 +17,7 @@ function run (state) {
     state.saved.version = '0.0.0' // Pre-0.7.0 version, so run all migrations
   }
 
-  var version = state.saved.version
+  const version = state.saved.version
 
   if (semver.lt(version, '0.7.0')) {
     migrate_0_7_0(state.saved)
@@ -40,11 +40,11 @@ function run (state) {
 }
 
 function migrate_0_7_0 (saved) {
-  var fs = require('fs-extra')
-  var path = require('path')
+  const fs = require('fs-extra')
+  const path = require('path')
 
   saved.torrents.forEach(function (ts) {
-    var infoHash = ts.infoHash
+    const infoHash = ts.infoHash
 
     // Replace torrentPath with torrentFileName
     // There are a number of cases to handle here:
@@ -52,7 +52,7 @@ function migrate_0_7_0 (saved) {
     // * Then, relative paths for the default torrents, eg '../static/sintel.torrent'
     // * Then, paths computed at runtime for default torrents, eg 'sintel.torrent'
     // * Finally, now we're getting rid of torrentPath altogether
-    var src, dst
+    let src, dst
     if (ts.torrentPath) {
       if (path.isAbsolute(ts.torrentPath) || ts.torrentPath.startsWith('..')) {
         src = ts.torrentPath
@@ -70,7 +70,7 @@ function migrate_0_7_0 (saved) {
 
     // Replace posterURL with posterFileName
     if (ts.posterURL) {
-      var extension = path.extname(ts.posterURL)
+      const extension = path.extname(ts.posterURL)
       src = path.isAbsolute(ts.posterURL)
         ? ts.posterURL
         : path.join(config.STATIC_PATH, ts.posterURL)
@@ -116,7 +116,7 @@ function migrate_0_12_0 (saved) {
   // Undo a terrible bug where clicking Play on a default torrent on a fresh
   // install results in a "path missing" error
   // See https://github.com/feross/webtorrent-desktop/pull/806
-  var defaultTorrentFiles = [
+  const defaultTorrentFiles = [
     '6a9759bffd5c0af65319979fb7832189f4f3c35d.torrent',
     '88594aaacbde40ef3e2510c47374ec0aa396c08e.torrent',
     '6a02592d2bbc069628cd5ed8a54f88ee06ac0ba5.torrent',
@@ -125,7 +125,7 @@ function migrate_0_12_0 (saved) {
   ]
   saved.torrents.forEach(function (torrentSummary) {
     if (!defaultTorrentFiles.includes(torrentSummary.torrentFileName)) return
-    var fileOrFolder = TorrentSummary.getFileOrFolder(torrentSummary)
+    const fileOrFolder = TorrentSummary.getFileOrFolder(torrentSummary)
     if (!fileOrFolder) return
     try {
       fs.statSync(fileOrFolder)