just-split-at - npm Package Compare versions

Comparing version 1.0.0 to 2.0.0

index.js

@@ -7,8 +7,17 @@ module.exports = splitAt;
   splitAt([], 2); // [[], []]
-  splitAt(null, 1); // undefined
-  splitAt(undefined, 1); // undefined
+  splitAt(null, 1); // throws
+  splitAt(undefined, 1); // throws
 */
 
-function splitAt(array, n) {
-  return Array.isArray(array) ? [array.slice(0, n), array.slice(n)] : undefined;
+function splitAt(arr, n) {
+  if (!Array.isArray(arr)) {
+    throw new Error('expected an array for the first argument');
+  }
+  if (n != null && typeof n != 'number') {
+    throw new Error('expected a number or null for the second argument');
+  }
+  if (n == null) {
+    n = 0;
+  }
+  return [arr.slice(0, n), arr.slice(n)];
 }

package.json

 {
   "name": "just-split-at",
-  "version": "1.0.0",
+  "version": "2.0.0",
   "description": "splits an array into two at a given position",
@@ -10,8 +10,3 @@ "main": "index.js",
   "repository": "https://github.com/angus-c/split-at",
-  "keywords": [
-    "array",
-    "split-at",
-    "no-dependencies",
-    "just"
-  ],
+  "keywords": ["array", "split-at", "no-dependencies", "just"],
   "author": "Cameron Hunter",
@@ -18,0 +13,0 @@ "license": "MIT",

No alert changes

Improved metrics

Total package byte prevSize

1509

increased by14.06%

Lines of code

20

increased by81.82%

No dependency changes