fixed requirements

badger-am.js

@@ -3,12 +3,9 @@
 // requirements
 const os = require('os');
 const path = require('path');
-const fs = require('fs');
-const fse = require('fs-extra');
 const async = require('async');
 const commander = require('commander');
 const recursive = require('recursive-readdir');
-
 const app = require('./package.json');
 const audio = require('./lib/audio');
 const util = require('./lib/util');
@@ -60,7 +57,7 @@ function sort(input, output, options) {
             const bar = util.createProgressBar(files.length);
             // handle each file
             async.eachLimit(files, concurrency, function (file, eachCallback) {
-                processFile(output, file, function (err) {
+                processFileSort(output, file, function (err) {
                     bar.tick();
                     if (err) {
                         return eachCallback(err);
@@ -84,7 +81,7 @@ function sort(input, output, options) {
 }
 
 // move file to location defined by its metadata
-function processFile(output, sourceFile, callback) {
+function processFileSort(output, sourceFile, callback) {
     async.waterfall([
         function (asyncCallback) {
             audio.extractMetadata(sourceFile, asyncCallback)

lib/audio.js

@@ -1,4 +1,5 @@
 // requirements
+const fs = require('fs');
 const metadata = require('musicmetadata');
 
 // extract metadata for further processing

lib/util.js

@@ -1,4 +1,7 @@
 // requirements
+const path = require('path');
+const async = require('async');
+const fse = require('fs-extra');
 const progress = require('progress');
 
 // print logo
@@ -70,7 +73,7 @@ exports.moveFile = function moveFile(source, target, callback) {
         }
         callback();
     });
-}
+};
 
 // fill a string beginning from the front
 exports.frontfill = function frontFill(string, fill, length) {