Remove redandunt object cloning

Philipp Alferov · Philipp Alferov · commit 9e74a9601300 · 2016-04-09T23:15:20.000-04:00
diff --git a/index.js b/index.js
@@ -66,7 +66,6 @@ module.exports = function arrayToTree(data, options) {
     throw new TypeError('Expected an object but got an invalid argument');
   }
 
-  var cloned = data.slice();
-  var grouped = groupByParents(cloned, options);
+  var grouped = groupByParents(data, options);
   return createTree(grouped, grouped[options.rootID], options.customID);
 };

Original file line number	Diff line number	Diff line change
`@@ -66,7 +66,6 @@ module.exports = function arrayToTree(data, options) {`
`66`	`66`	`throw new TypeError('Expected an object but got an invalid argument');`
`67`	`67`	`}`
`68`	`68`
`69`		`- var cloned = data.slice();`
`70`		`- var grouped = groupByParents(cloned, options);`
	`69`	`+ var grouped = groupByParents(data, options);`
`71`	`70`	`return createTree(grouped, grouped[options.rootID], options.customID);`
`72`	`71`	`};`