object-assign - npm Package Compare versions

Comparing version 4.0.1 to 4.1.0

index.js

@@ -0,3 +1,3 @@
+'use strict';
 /* eslint-disable no-unused-vars */
-'use strict';
 var hasOwnProperty = Object.prototype.hasOwnProperty;
@@ -14,3 +14,47 @@ var propIsEnumerable = Object.prototype.propertyIsEnumerable;
 
-module.exports = Object.assign || function (target, source) {
+function shouldUseNative() {
+	try {
+		if (!Object.assign) {
+			return false;
+		}
+
+		// Detect buggy property enumeration order in older V8 versions.
+
+		// https://bugs.chromium.org/p/v8/issues/detail?id=4118
+		var test1 = new String('abc');  // eslint-disable-line
+		test1[5] = 'de';
+		if (Object.getOwnPropertyNames(test1)[0] === '5') {
+			return false;
+		}
+
+		// https://bugs.chromium.org/p/v8/issues/detail?id=3056
+		var test2 = {};
+		for (var i = 0; i < 10; i++) {
+			test2['_' + String.fromCharCode(i)] = i;
+		}
+		var order2 = Object.getOwnPropertyNames(test2).map(function (n) {
+			return test2[n];
+		});
+		if (order2.join('') !== '0123456789') {
+			return false;
+		}
+
+		// https://bugs.chromium.org/p/v8/issues/detail?id=3056
+		var test3 = {};
+		'abcdefghijklmnopqrst'.split('').forEach(function (letter) {
+			test3[letter] = letter;
+		});
+		if (Object.keys(Object.assign({}, test3)).join('') !==
+				'abcdefghijklmnopqrst') {
+			return false;
+		}
+
+		return true;
+	} catch (e) {
+		// We don't expect any of the above to throw, but better to be safe.
+		return false;
+	}
+}
+
+module.exports = shouldUseNative() ? Object.assign : function (target, source) {
 	var from;
@@ -17,0 +61,0 @@ var to = toObject(target);

package.json

 {
   "name": "object-assign",
-  "version": "4.0.1",
-  "description": "ES6 Object.assign() ponyfill",
+  "version": "4.1.0",
+  "description": "ES2015 Object.assign() ponyfill",
   "license": "MIT",
@@ -10,3 +10,3 @@ "repository": "sindresorhus/object-assign",
     "email": "[e-mail]",
-    "url": "http://sindresorhus.com"
+    "url": "sindresorhus.com"
   },
@@ -28,3 +28,3 @@ "engines": {
     "properties",
-    "es6",
+    "es2015",
     "ecmascript",
@@ -39,13 +39,7 @@ "harmony",
   "devDependencies": {
-    "lodash": "^3.10.1",
-    "matcha": "^0.6.0",
+    "lodash": "^4.8.2",
+    "matcha": "^0.7.0",
     "mocha": "*",
     "xo": "*"
-  },
-  "xo": {
-    "envs": [
-      "node",
-      "mocha"
-    ]
   }
 }

readme.md

 # object-assign [![Build Status](https://travis-ci.org/sindresorhus/object-assign.svg?branch=master)](https://travis-ci.org/sindresorhus/object-assign)
 
-> ES6 [`Object.assign()`](http://www.2ality.com/2014/01/object-assign.html) ponyfill
+> ES2015 [`Object.assign()`](http://www.2ality.com/2014/01/object-assign.html) ponyfill
 
@@ -10,3 +10,3 @@ > Ponyfill: A polyfill that doesn't overwrite the native method
 
-```sh
+```
 $ npm install --save object-assign
@@ -19,3 +19,3 @@ ```
 ```js
-var objectAssign = require('object-assign');
+const objectAssign = require('object-assign');
 
@@ -48,7 +48,12 @@ objectAssign({foo: 0}, {bar: 1});
 
-- [ES6 spec - Object.assign](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-object.assign)
+- [ES2015 spec - Object.assign](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-object.assign)
 
 
+## Related
+
+- [deep-assign](https://github.com/sindresorhus/deep-assign) - Recursive `Object.assign()`
+
+
 ## License
 
-MIT © [Sindre Sorhus](http://sindresorhus.com)
+MIT © [Sindre Sorhus](https://sindresorhus.com)

New alerts

New author

Supply chain risk

A new npm collaborator published a version of the package for the first time. New collaborators are usually benign additions to a project, but do indicate a change to the security surface area of a package.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

5162

increased by28.5%

Lines of code

70

increased by118.75%

Number of lines in readme file

57

increased by9.62%

Worsened metrics

Number of medium supply chain risk alerts

1

increased byInfinity%

No dependency changes