lodash.keys - npm Package Compare versions

Comparing version 3.1.2 to 4.0.0

index.js

 /**
- * lodash 3.1.2 (Custom Build) <https://lodash.com/>
- * Build: `lodash modern modularize exports="npm" -o ./`
- * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
+ * lodash 4.0.0 (Custom Build) <https://lodash.com/>
+ * Build: `lodash modularize exports="npm" -o ./`
+ * Copyright 2012-2016 The Dojo Foundation <http://dojofoundation.org/>
  * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
- * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
+ * Copyright 2009-2016 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
  * Available under MIT license <https://lodash.com/license>
  */
-var getNative = require('lodash._getnative'),
-    isArguments = require('lodash.isarguments'),
-    isArray = require('lodash.isarray');
 
+/** Used as references for various `Number` constants. */
+var MAX_SAFE_INTEGER = 9007199254740991;
+
+/** `Object#toString` result references. */
+var argsTag = '[object Arguments]',
+    funcTag = '[object Function]',
+    genTag = '[object GeneratorFunction]',
+    stringTag = '[object String]';
+
 /** Used to detect unsigned integer values. */
-var reIsUint = /^\d+$/;
+var reIsUint = /^(?:0|[1-9]\d*)$/;
 
-/** Used for native method references. */
-var objectProto = Object.prototype;
+/**
+ * The base implementation of `_.times` without support for iteratee shorthands
+ * or max array length checks.
+ *
+ * @private
+ * @param {number} n The number of times to invoke `iteratee`.
+ * @param {Function} iteratee The function invoked per iteration.
+ * @returns {Array} Returns the array of results.
+ */
+function baseTimes(n, iteratee) {
+  var index = -1,
+      result = Array(n);
 
+  while (++index < n) {
+    result[index] = iteratee(index);
+  }
+  return result;
+}
+
+/**
+ * Checks if `value` is a valid array-like index.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
+ * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
+ */
+function isIndex(value, length) {
+  value = (typeof value == 'number' || reIsUint.test(value)) ? +value : -1;
+  length = length == null ? MAX_SAFE_INTEGER : length;
+  return value > -1 && value % 1 == 0 && value < length;
+}
+
+/** Used for built-in method references. */
+var objectProto = global.Object.prototype;
+
 /** Used to check objects for own properties. */
 var hasOwnProperty = objectProto.hasOwnProperty;
 
-/* Native method references for those with the same name as other `lodash` methods. */
-var nativeKeys = getNative(Object, 'keys');
+/**
+ * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)
+ * of values.
+ */
+var objectToString = objectProto.toString;
 
+/** Built-in value references. */
+var getPrototypeOf = Object.getPrototypeOf,
+    propertyIsEnumerable = objectProto.propertyIsEnumerable;
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeKeys = Object.keys;
+
 /**
- * Used as the [maximum length](http://ecma-international.org/ecma-262/6.0/#sec-number.max_safe_integer)
- * of an array-like value.
+ * The base implementation of `_.has` without support for deep paths.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @param {Array|string} key The key to check.
+ * @returns {boolean} Returns `true` if `key` exists, else `false`.
  */
-var MAX_SAFE_INTEGER = 9007199254740991;
+function baseHas(object, key) {
+  // Avoid a bug in IE 10-11 where objects with a [[Prototype]] of `null`,
+  // that are composed entirely of index properties, return `false` for
+  // `hasOwnProperty` checks of them.
+  return hasOwnProperty.call(object, key) ||
+    (typeof object == 'object' && key in object && getPrototypeOf(object) === null);
+}
 
 /**
+ * The base implementation of `_.keys` which doesn't skip the constructor
+ * property of prototypes or treat sparse arrays as dense.
+ *
+ * @private
+ * @type Function
+ * @param {Object} object The object to query.
+ * @returns {Array} Returns the array of property names.
+ */
+function baseKeys(object) {
+  return nativeKeys(Object(object));
+}
+
+/**
  * The base implementation of `_.property` without support for deep paths.
@@ -57,68 +129,188 @@ *
 /**
- * Checks if `value` is array-like.
+ * Creates an array of index keys for `object` values of arrays,
+ * `arguments` objects, and strings, otherwise `null` is returned.
  *
  * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
+ * @param {Object} object The object to query.
+ * @returns {Array|null} Returns index keys, else `null`.
  */
-function isArrayLike(value) {
-  return value != null && isLength(getLength(value));
+function indexKeys(object) {
+  var length = object ? object.length : undefined;
+  return (isLength(length) && (isArray(object) || isString(object) || isArguments(object)))
+    ? baseTimes(length, String)
+    : null;
 }
 
 /**
- * Checks if `value` is a valid array-like index.
+ * Checks if `value` is likely a prototype object.
  *
  * @private
  * @param {*} value The value to check.
- * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
- * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
+ * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.
  */
-function isIndex(value, length) {
-  value = (typeof value == 'number' || reIsUint.test(value)) ? +value : -1;
-  length = length == null ? MAX_SAFE_INTEGER : length;
-  return value > -1 && value % 1 == 0 && value < length;
+function isPrototype(value) {
+  var Ctor = value && value.constructor,
+      proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;
+
+  return value === proto;
 }
 
 /**
- * Checks if `value` is a valid array-like length.
+ * Checks if `value` is likely an `arguments` object.
  *
- * **Note:** This function is based on [`ToLength`](http://ecma-international.org/ecma-262/6.0/#sec-tolength).
+ * @static
+ * @memberOf _
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
+ * @example
  *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
+ * _.isArguments(function() { return arguments; }());
+ * // => true
+ *
+ * _.isArguments([1, 2, 3]);
+ * // => false
  */
-function isLength(value) {
-  return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
+function isArguments(value) {
+  // Safari 8.1 incorrectly makes `arguments.callee` enumerable in strict mode.
+  return isArrayLikeObject(value) && hasOwnProperty.call(value, 'callee') &&
+    (!propertyIsEnumerable.call(value, 'callee') || objectToString.call(value) == argsTag);
 }
 
 /**
- * A fallback implementation of `Object.keys` which creates an array of the
- * own enumerable property names of `object`.
+ * Checks if `value` is classified as an `Array` object.
  *
- * @private
- * @param {Object} object The object to query.
- * @returns {Array} Returns the array of property names.
+ * @static
+ * @memberOf _
+ * @type Function
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
+ * @example
+ *
+ * _.isArray([1, 2, 3]);
+ * // => true
+ *
+ * _.isArray(document.body.children);
+ * // => false
+ *
+ * _.isArray('abc');
+ * // => false
+ *
+ * _.isArray(_.noop);
+ * // => false
  */
-function shimKeys(object) {
-  var props = keysIn(object),
-      propsLength = props.length,
-      length = propsLength && object.length;
+var isArray = Array.isArray;
 
-  var allowIndexes = !!length && isLength(length) &&
-    (isArray(object) || isArguments(object));
+/**
+ * Checks if `value` is array-like. A value is considered array-like if it's
+ * not a function and has a `value.length` that's an integer greater than or
+ * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
+ *
+ * @static
+ * @memberOf _
+ * @type Function
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
+ * @example
+ *
+ * _.isArrayLike([1, 2, 3]);
+ * // => true
+ *
+ * _.isArrayLike(document.body.children);
+ * // => true
+ *
+ * _.isArrayLike('abc');
+ * // => true
+ *
+ * _.isArrayLike(_.noop);
+ * // => false
+ */
+function isArrayLike(value) {
+  return value != null &&
+    !(typeof value == 'function' && isFunction(value)) && isLength(getLength(value));
+}
 
-  var index = -1,
-      result = [];
+/**
+ * This method is like `_.isArrayLike` except that it also checks if `value`
+ * is an object.
+ *
+ * @static
+ * @memberOf _
+ * @type Function
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is an array-like object, else `false`.
+ * @example
+ *
+ * _.isArrayLikeObject([1, 2, 3]);
+ * // => true
+ *
+ * _.isArrayLikeObject(document.body.children);
+ * // => true
+ *
+ * _.isArrayLikeObject('abc');
+ * // => false
+ *
+ * _.isArrayLikeObject(_.noop);
+ * // => false
+ */
+function isArrayLikeObject(value) {
+  return isObjectLike(value) && isArrayLike(value);
+}
 
-  while (++index < propsLength) {
-    var key = props[index];
-    if ((allowIndexes && isIndex(key, length)) || hasOwnProperty.call(object, key)) {
-      result.push(key);
-    }
-  }
-  return result;
+/**
+ * Checks if `value` is classified as a `Function` object.
+ *
+ * @static
+ * @memberOf _
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
+ * @example
+ *
+ * _.isFunction(_);
+ * // => true
+ *
+ * _.isFunction(/abc/);
+ * // => false
+ */
+function isFunction(value) {
+  // The use of `Object#toString` avoids issues with the `typeof` operator
+  // in Safari 8 which returns 'object' for typed array constructors, and
+  // PhantomJS 1.9 which returns 'function' for `NodeList` instances.
+  var tag = isObject(value) ? objectToString.call(value) : '';
+  return tag == funcTag || tag == genTag;
 }
 
 /**
+ * Checks if `value` is a valid array-like length.
+ *
+ * **Note:** This function is loosely based on [`ToLength`](http://ecma-international.org/ecma-262/6.0/#sec-tolength).
+ *
+ * @static
+ * @memberOf _
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
+ * @example
+ *
+ * _.isLength(3);
+ * // => true
+ *
+ * _.isLength(Number.MIN_VALUE);
+ * // => false
+ *
+ * _.isLength(Infinity);
+ * // => false
+ *
+ * _.isLength('3');
+ * // => false
+ */
+function isLength(value) {
+  return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
+}
+
+/**
  * Checks if `value` is the [language type](https://es5.github.io/#x8) of `Object`.
@@ -140,3 +332,6 @@ * (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
  *
- * _.isObject(1);
+ * _.isObject(_.noop);
+ * // => true
+ *
+ * _.isObject(null);
  * // => false
@@ -152,42 +347,56 @@ */
 /**
- * Creates an array of the own enumerable property names of `object`.
+ * Checks if `value` is object-like. A value is object-like if it's not `null`
+ * and has a `typeof` result of "object".
  *
- * **Note:** Non-object values are coerced to objects. See the
- * [ES spec](http://ecma-international.org/ecma-262/6.0/#sec-object.keys)
- * for more details.
- *
  * @static
  * @memberOf _
- * @category Object
- * @param {Object} object The object to query.
- * @returns {Array} Returns the array of property names.
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
  * @example
  *
- * function Foo() {
- *   this.a = 1;
- *   this.b = 2;
- * }
+ * _.isObjectLike({});
+ * // => true
  *
- * Foo.prototype.c = 3;
+ * _.isObjectLike([1, 2, 3]);
+ * // => true
  *
- * _.keys(new Foo);
- * // => ['a', 'b'] (iteration order is not guaranteed)
+ * _.isObjectLike(_.noop);
+ * // => false
  *
- * _.keys('hi');
- * // => ['0', '1']
+ * _.isObjectLike(null);
+ * // => false
  */
-var keys = !nativeKeys ? shimKeys : function(object) {
-  var Ctor = object == null ? undefined : object.constructor;
-  if ((typeof Ctor == 'function' && Ctor.prototype === object) ||
-      (typeof object != 'function' && isArrayLike(object))) {
-    return shimKeys(object);
-  }
-  return isObject(object) ? nativeKeys(object) : [];
-};
+function isObjectLike(value) {
+  return !!value && typeof value == 'object';
+}
 
 /**
- * Creates an array of the own and inherited enumerable property names of `object`.
+ * Checks if `value` is classified as a `String` primitive or object.
  *
- * **Note:** Non-object values are coerced to objects.
+ * @static
+ * @memberOf _
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
+ * @example
  *
+ * _.isString('abc');
+ * // => true
+ *
+ * _.isString(1);
+ * // => false
+ */
+function isString(value) {
+  return typeof value == 'string' ||
+    (!isArray(value) && isObjectLike(value) && objectToString.call(value) == stringTag);
+}
+
+/**
+ * Creates an array of the own enumerable property names of `object`.
+ *
+ * **Note:** Non-object values are coerced to objects. See the
+ * [ES spec](http://ecma-international.org/ecma-262/6.0/#sec-object.keys)
+ * for more details.
+ *
  * @static
@@ -207,28 +416,22 @@ * @memberOf _
  *
- * _.keysIn(new Foo);
- * // => ['a', 'b', 'c'] (iteration order is not guaranteed)
+ * _.keys(new Foo);
+ * // => ['a', 'b'] (iteration order is not guaranteed)
+ *
+ * _.keys('hi');
+ * // => ['0', '1']
  */
-function keysIn(object) {
-  if (object == null) {
-    return [];
+function keys(object) {
+  var isProto = isPrototype(object);
+  if (!(isProto || isArrayLike(object))) {
+    return baseKeys(object);
   }
-  if (!isObject(object)) {
-    object = Object(object);
-  }
-  var length = object.length;
-  length = (length && isLength(length) &&
-    (isArray(object) || isArguments(object)) && length) || 0;
+  var indexes = indexKeys(object),
+      skipIndexes = !!indexes,
+      result = indexes || [],
+      length = result.length;
 
-  var Ctor = object.constructor,
-      index = -1,
-      isProto = typeof Ctor == 'function' && Ctor.prototype === object,
-      result = Array(length),
-      skipIndexes = length > 0;
-
-  while (++index < length) {
-    result[index] = (index + '');
-  }
   for (var key in object) {
-    if (!(skipIndexes && isIndex(key, length)) &&
-        !(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {
+    if (baseHas(object, key) &&
+        !(skipIndexes && (key == 'length' || isIndex(key, length))) &&
+        !(isProto && key == 'constructor')) {
       result.push(key);
@@ -235,0 +438,0 @@ }

package.json

 {
   "name": "lodash.keys",
-  "version": "3.1.2",
-  "description": "The modern build of lodash’s `_.keys` as a module.",
+  "version": "4.0.0",
+  "description": "The lodash method `_.keys` exported as a module.",
   "homepage": "https://lodash.com/",
   "icon": "https://lodash.com/icon.svg",
   "license": "MIT",
-  "keywords": "lodash, lodash-modularized, stdlib, util",
+  "keywords": "lodash, lodash-modularized, stdlib, util, keys",
   "author": "John-David Dalton <[e-mail]> (http://allyoucanleet.com/)",
   "contributors": [
     "John-David Dalton <[e-mail]> (http://allyoucanleet.com/)",
-    "Benjamin Tan <[e-mail]> (https://d10.github.io/)",
-    "Blaine Bublitz <[e-mail]> (http://www.iceddev.com/)",
-    "Kit Cambridge <[e-mail]> (http://kitcambridge.be/)",
+    "Blaine Bublitz <[e-mail]> (https://github.com/phated)",
     "Mathias Bynens <[e-mail]> (https://mathiasbynens.be/)"
   ],
   "repository": "lodash/lodash",
-  "scripts": { "test": "echo \"See https://travis-ci.org/lodash/lodash-cli for testing details.\"" },
-  "dependencies": {
-    "lodash._getnative": "^3.0.0",
-    "lodash.isarguments": "^3.0.0",
-    "lodash.isarray": "^3.0.0"
-  }
+  "scripts": { "test": "echo \"See https://travis-ci.org/lodash/lodash-cli for testing details.\"" }
 }

README.md

@@ -1,4 +0,4 @@
-# lodash.keys v3.1.2
+# lodash.keys v4.0.0
 
-The [modern build](https://github.com/lodash/lodash/wiki/Build-Differences) of [lodash’s](https://lodash.com/) `_.keys` exported as a [Node.js](http://nodejs.org/)/[io.js](https://iojs.org/) module.
+The [lodash](https://lodash.com/) method `_.keys` exported as a [Node.js](https://nodejs.org/) module.
 
@@ -8,3 +8,2 @@ ## Installation
 Using npm:
-
 ```bash
@@ -15,4 +14,3 @@ $ {sudo -H} npm i -g npm
 
-In Node.js/io.js:
-
+In Node.js:
 ```js
@@ -22,2 +20,2 @@ var keys = require('lodash.keys');
 
-See the [documentation](https://lodash.com/docs#keys) or [package source](https://github.com/lodash/lodash/blob/3.1.2-npm-packages/lodash.keys) for more details.
+See the [documentation](https://lodash.com/docs#keys) or [package source](https://github.com/lodash/lodash/blob/4.0.0-npm-packages/lodash.keys) for more details.

New alerts

Major refactor

Supply chain risk

Package has recently undergone a major refactor. It may be unstable or indicate significant internal changes. Use caution when updating to versions that include significant changes.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

14063

increased by49.46%

Dependency count

0

decreased by-100%

Lines of code

409

increased by89.35%

Worsened metrics

Number of lines in readme file

19

decreased by-9.52%

Number of medium supply chain risk alerts

1

increased byInfinity%

Dependency changes

• - Removedlodash._getnative@^3.0.0

• - Removedlodash.isarguments@^3.0.0

• - Removedlodash.isarray@^3.0.0

• - Removedlodash._getnative@3.9.1(transitive)

• - Removedlodash.isarguments@3.1.0(transitive)

• - Removedlodash.isarray@3.0.4(transitive)