Use let instead of var

script/coverage.js

@@ -1,22 +1,22 @@
-var path = require('path'),
-  util = require('./util'),
-  istanbul = require('istanbul')
+const path = require('path')
+const util = require('./util')
+const istanbul = require('istanbul')
 
-var collector = new istanbul.Collector(),
-  reporter = new istanbul.Reporter()
+let collector = new istanbul.Collector()
+let reporter = new istanbul.Reporter()
 
-var remappedJson = require('../coverage/coverage-remapped.json')
+let remappedJson = require('../coverage/coverage-remapped.json')
 
-var coverage = util.reduce(
+let coverage = util.reduce(
   util.keys(remappedJson),
   function(result, source) {
     if (isSrc()) {
-      var correctPath = source.replace(
+      let correctPath = source.replace(
         path.resolve(__dirname, '../src'),
         path.resolve(__dirname, '../')
       )
 
-      var val = remappedJson[source]
+      let val = remappedJson[source]
       val.path = correctPath
       result[correctPath] = val
     }

script/cpTestLib.js

@@ -1,6 +1,6 @@
-var copy = require('copy'),
-  path = require('path'),
-  util = require('./util')
+const copy = require('copy')
+const path = require('path')
+const util = require('./util')
 
 util.mkdir(path.resolve(__dirname, '../test/lib'), function(err) {
   if (err) return console.log(err)

script/webpack.base.js

@@ -1,15 +1,15 @@
-var autoprefixer = require('autoprefixer'),
-  classPrefix = require('postcss-class-prefix'),
-  webpack = require('webpack'),
-  pkg = require('../package.json'),
-  path = require('path')
+const autoprefixer = require('autoprefixer')
+const classPrefix = require('postcss-class-prefix')
+const webpack = require('webpack')
+const pkg = require('../package.json')
+const path = require('path')
 
 process.traceDeprecation = true
 
-var nodeModDir = path.resolve('./node_modules/') + '/',
-  banner = pkg.name + ' v' + pkg.version + ' ' + pkg.homepage
+let nodeModDir = path.resolve('./node_modules/') + '/'
+let banner = pkg.name + ' v' + pkg.version + ' ' + pkg.homepage
 
-var postcssLoader = {
+let postcssLoader = {
   loader: 'postcss-loader',
   options: {
     plugins: [classPrefix('eruda-'), autoprefixer]

script/webpack.dev.js

@@ -1,4 +1,4 @@
-var webpack = require('webpack')
+const webpack = require('webpack')
 
 exports = require('./webpack.base')
 

script/webpack.release.js

@@ -1,4 +1,4 @@
-var webpack = require('webpack')
+const webpack = require('webpack')
 
 exports = require('./webpack.base')