react-addons-shallow-compare - npm Package Compare versions

Comparing version 15.4.2 to 15.5.0-alpha.0

index.js

@@ -1,1 +0,76 @@
-module.exports = require('react/lib/shallowCompare');
+/**
+ * Copyright 2013-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ *
+ * @providesModule shallowCompare
+ */
+
+'use strict';
+
+var hasOwnProperty = Object.prototype.hasOwnProperty;
+
+/**
+ * inlined Object.is polyfill to avoid requiring consumers ship their own
+ * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is
+ */
+function is(x, y) {
+  // SameValue algorithm
+  if (x === y) {
+    // Steps 1-5, 7-10
+    // Steps 6.b-6.e: +0 != -0
+    // Added the nonzero y check to make Flow happy, but it is redundant
+    return x !== 0 || y !== 0 || 1 / x === 1 / y;
+  } else {
+    // Step 6.a: NaN == NaN
+    return x !== x && y !== y;
+  }
+}
+
+/**
+ * Performs equality by iterating through keys on an object and returning false
+ * when any key has values which are not strictly equal between the arguments.
+ * Returns true when the values of all keys are strictly equal.
+ */
+function shallowEqual(objA, objB) {
+  if (is(objA, objB)) {
+    return true;
+  }
+
+  if (typeof objA !== 'object' || objA === null || typeof objB !== 'object' || objB === null) {
+    return false;
+  }
+
+  var keysA = Object.keys(objA);
+  var keysB = Object.keys(objB);
+
+  if (keysA.length !== keysB.length) {
+    return false;
+  }
+
+  // Test for A's keys different from B.
+  for (var i = 0; i < keysA.length; i++) {
+    if (!hasOwnProperty.call(objB, keysA[i]) || !is(objA[keysA[i]], objB[keysA[i]])) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+/**
+ * Does a shallow comparison for props and state.
+ * See ReactComponentWithPureRenderMixin
+ * See also https://facebook.github.io/react/docs/shallow-compare.html
+ */
+function shallowCompare(instance, nextProps, nextState) {
+  return (
+    !shallowEqual(instance.props, nextProps) ||
+    !shallowEqual(instance.state, nextState)
+  );
+}
+
+module.exports = shallowCompare;

package.json

 {
   "name": "react-addons-shallow-compare",
-  "version": "15.4.2",
+  "version": "15.5.0-alpha.0",
   "main": "index.js",
@@ -16,3 +16,3 @@ "repository": "facebook/react",
   "peerDependencies": {
-    "react": "^15.4.2"
+    "react": "^15.5.0"
   },
@@ -24,3 +24,12 @@ "files": [
     "index.js"
-  ]
-}
+  ],
+  "scripts": {
+    "test": "jest"
+  },
+  "devDependencies": {
+    "jest": "^19.0.2",
+    "react": "^16.0.0-alpha.4",
+    "react-addons-test-utils": "^16.0.0-alpha.3",
+    "react-dom": "^16.0.0-alpha.4"
+  }
+}

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Total package byte prevSize

6187

increased by49.44%

Lines of code

65

increased byInfinity%

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0

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Dev dependency count

4

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2

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Number of lines in readme file

1

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