just-flatten-it - npm Package Compare versions

Comparing version 2.1.0 to 2.2.0

index.js

@@ -8,12 +8,11 @@ module.exports = flatten;
 
-function flatten(arr) {
-  if (!Array.isArray(arr)) {
-    throw new Error('expected an array');
-  }
+function flattenHelper(arr, depth) {
   var result = [];
   var len = arr.length;
+
   for (var i = 0; i < len; i++) {
     var elem = arr[i];
-    if (Array.isArray(elem)) {
-      result.push.apply(result, flatten(elem));
+
+    if (Array.isArray(elem) && depth > 0) {
+      result.push.apply(result, flattenHelper(elem, depth - 1));
     } else {
@@ -23,3 +22,18 @@ result.push(elem);
   }
+
   return result;
 }
+
+function flatten(arr, depth) {
+  if (!Array.isArray(arr)) {
+    throw new Error('expected an array');
+  }
+
+  if (depth !== undefined && typeof depth !== 'number') {
+    throw new Error('depth expects a number');
+  }
+
+  var optionDepth = typeof depth === 'number' ? depth : Infinity;
+
+  return flattenHelper(arr, optionDepth);
+}

package.json

 {
   "name": "just-flatten-it",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "description": "return a flattened array",
@@ -21,2 +21,2 @@ "main": "index.js",
   }
-}
+}

README.md

@@ -13,2 +13,5 @@ ## just-flatten-it
 // [1, 2, 3, 4, 5, 6, 7, 8, 9]
+
+flatten([[1, [2, 3]], [[4, 5], 6, 7, [8, 9]]], 1);
+// [1, [2, 3], [[4, 5], 6, 7, [8, 9]]]
 ```

No alert changes

Improved metrics

Total package byte prevSize

2736

increased by16.62%

Lines of code

28

increased by33.33%

Number of lines in readme file

17

increased by21.43%

No dependency changes