Adjust all files according to the eslint-rules

lib/actions/copy-tpl.js

@@ -1,21 +1,24 @@
 'use strict';
 
-var path = require('path');
 var extend = require('deep-extend');
 var ejs = require('ejs');
-var isBinaryFile = require("isbinaryfile");
+var isBinaryFile = require('isbinaryfile');
 
 function render(contents, filename, context, tplSettings) {
+  let result;
+
   if (isBinaryFile.sync(filename)) {
-    return contents.toString();
+    result = contents.toString();
   } else {
-    return ejs.render(
+    result = ejs.render(
       contents.toString(),
       context,
       // Setting filename by default allow including partials.
       extend({filename: filename}, tplSettings)
     );
   }
+
+  return result;
 }
 
 module.exports = function (from, to, context, tplSettings, options) {

lib/actions/copy.js

@@ -11,7 +11,7 @@ var util = require('../util');
 
 function applyProcessingFunc(process, contents, filename) {
   var output = process(contents, filename);
-  return output instanceof Buffer ? output : new Buffer(output);
+  return output instanceof Buffer ? output : Buffer.from(output);
 }
 
 exports.copy = function (from, to, options) {

lib/actions/write.js

@@ -11,7 +11,7 @@ module.exports = function (filepath, contents, stat) {
   var file = this.store.get(filepath);
   file.isNew = file.contents === null;
   file.state = 'modified';
-  file.contents = typeof contents === 'string' ? new Buffer(contents) : contents;
+  file.contents = typeof contents === 'string' ? Buffer.from(contents) : contents;
   file.stat = stat;
   this.store.add(file);