Simplify deepClone snippet's handling of arrays.

snippets/deepClone.md

@@ -7,26 +7,20 @@ Use `Object.assign()` and an empty object (`{}`) to create a shallow clone of th
 Use `Object.keys()` and `Array.forEach()` to determine which key-value pairs need to be deep cloned.
 
 ```js
+
 const deepClone = obj => {
-if (Array.isArray(obj)){
-	let arr = [];
-	obj.forEach(
-		(i,v) => (arr[i] = typeof v === 'object' ? deepClone(v) : v)
-	)
-	return arr;
-}else {
 	let clone = Object.assign({}, obj);
 	Object.keys(clone).forEach(
 	key => (clone[key] = typeof obj[key] === 'object' ? deepClone(obj[key]) : obj[key])
 	);
-	return clone;
-}
+	return Array.isArray(obj) ? (clone.length = obj.length) && Array.from(clone) : obj;
 };
 ```
 
 ```js
 
 
+
 const a = { foo: 'bar', obj: { a: 1, b: 2 } };
 const b = deepClone(a); // a !== b, a.obj !== b.obj
 ```

test/deepClone/deepClone.js

@@ -1,16 +1,8 @@
 const deepClone = obj => {
-if (Array.isArray(obj)){
-let arr = [];
-obj.forEach(
-(i,v) => (arr[i] = typeof v === 'object' ? deepClone(v) : v)
-)
-return arr;
-}else {
 let clone = Object.assign({}, obj);
 Object.keys(clone).forEach(
 key => (clone[key] = typeof obj[key] === 'object' ? deepClone(obj[key]) : obj[key])
 );
-return clone;
-}
+return Array.isArray(obj) ? (clone.length = obj.length) && Array.from(clone) : obj;
 };
 module.exports = deepClone;