lodash.uniq - npm Package Compare versions

Comparing version 3.2.2 to 4.0.0

index.js

 /**
- * lodash 3.2.2 (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 baseCallback = require('lodash._basecallback'),
-    baseUniq = require('lodash._baseuniq'),
-    isIterateeCall = require('lodash._isiterateecall');
+var SetCache = require('lodash._setcache'),
+    arrayIncludes = require('lodash._arrayincludes'),
+    arrayIncludesWith = require('lodash._arrayincludeswith'),
+    cacheHas = require('lodash._cachehas');
 
+/** Used as the size to enable large array optimizations. */
+var LARGE_ARRAY_SIZE = 200;
+
+/** `Object#toString` result references. */
+var funcTag = '[object Function]',
+    genTag = '[object GeneratorFunction]';
+
+/** Used to match `RegExp` [syntax characters](http://ecma-international.org/ecma-262/6.0/#sec-patterns). */
+var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;
+
+/** Used to detect host constructors (Safari > 5). */
+var reIsHostCtor = /^\[object .+?Constructor\]$/;
+
 /**
- * An implementation of `_.uniq` optimized for sorted arrays without support
- * for callback shorthands and `this` binding.
+ * Checks if `value` is a host object in IE < 9.
  *
  * @private
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a host object, else `false`.
+ */
+function isHostObject(value) {
+  // Many host objects are `Object` objects that can coerce to strings
+  // despite having improperly defined `toString` methods.
+  var result = false;
+  if (value != null && typeof value.toString != 'function') {
+    try {
+      result = !!(value + '');
+    } catch (e) {}
+  }
+  return result;
+}
+
+/**
+ * Converts `set` to an array.
+ *
+ * @private
+ * @param {Object} set The set to convert.
+ * @returns {Array} Returns the converted array.
+ */
+function setToArray(set) {
+  var index = -1,
+      result = Array(set.size);
+
+  set.forEach(function(value) {
+    result[++index] = value;
+  });
+  return result;
+}
+
+/** Used for built-in method references. */
+var objectProto = global.Object.prototype;
+
+/** Used to resolve the decompiled source of functions. */
+var funcToString = global.Function.prototype.toString;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty = objectProto.hasOwnProperty;
+
+/**
+ * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)
+ * of values.
+ */
+var objectToString = objectProto.toString;
+
+/** Used to detect if a method is native. */
+var reIsNative = RegExp('^' +
+  funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&')
+  .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
+);
+
+/* Built-in method references that are verified to be native. */
+var Set = getNative(global, 'Set');
+
+/**
+ * The base implementation of `_.uniqBy` without support for iteratee shorthands.
+ *
+ * @private
  * @param {Array} array The array to inspect.
- * @param {Function} [iteratee] The function invoked per iteration.
- * @returns {Array} Returns the new duplicate-value-free array.
+ * @param {Function} [iteratee] The iteratee invoked per element.
+ * @param {Function} [comparator] The comparator invoked per element.
+ * @returns {Array} Returns the new duplicate free array.
  */
-function sortedUniq(array, iteratee) {
-  var seen,
-      index = -1,
+function baseUniq(array, iteratee, comparator) {
+  var index = -1,
+      includes = arrayIncludes,
       length = array.length,
-      resIndex = -1,
-      result = [];
+      isCommon = true,
+      result = [],
+      seen = result;
 
+  if (comparator) {
+    isCommon = false;
+    includes = arrayIncludesWith;
+  }
+  else if (length >= LARGE_ARRAY_SIZE) {
+    var set = iteratee ? null : createSet(array);
+    if (set) {
+      return setToArray(set);
+    }
+    isCommon = false;
+    includes = cacheHas;
+    seen = new SetCache;
+  }
+  else {
+    seen = iteratee ? [] : result;
+  }
+  outer:
   while (++index < length) {
     var value = array[index],
-        computed = iteratee ? iteratee(value, index, array) : value;
+        computed = iteratee ? iteratee(value) : value;
 
-    if (!index || seen !== computed) {
-      seen = computed;
-      result[++resIndex] = value;
+    if (isCommon && computed === computed) {
+      var seenIndex = seen.length;
+      while (seenIndex--) {
+        if (seen[seenIndex] === computed) {
+          continue outer;
+        }
+      }
+      if (iteratee) {
+        seen.push(computed);
+      }
+      result.push(value);
     }
+    else if (!includes(seen, computed, comparator)) {
+      if (seen !== result) {
+        seen.push(computed);
+      }
+      result.push(value);
+    }
   }
@@ -42,31 +148,36 @@ return result;
 /**
+ * Creates a set of `values`.
+ *
+ * @private
+ * @param {Array} values The values to add to the set.
+ * @returns {Object} Returns the new set.
+ */
+var createSet = !(Set && new Set([1, 2]).size === 2) ? noop : function(values) {
+  return new Set(values);
+};
+
+/**
+ * Gets the native function at `key` of `object`.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @param {string} key The key of the method to get.
+ * @returns {*} Returns the function if it's native, else `undefined`.
+ */
+function getNative(object, key) {
+  var value = object == null ? undefined : object[key];
+  return isNative(value) ? value : undefined;
+}
+
+/**
  * Creates a duplicate-free version of an array, using
  * [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)
- * for equality comparisons, in which only the first occurence of each element
- * is kept. Providing `true` for `isSorted` performs a faster search algorithm
- * for sorted arrays. If an iteratee function is provided it is invoked for
- * each element in the array to generate the criterion by which uniqueness
- * is computed. The `iteratee` is bound to `thisArg` and invoked with three
- * arguments: (value, index, array).
+ * for equality comparisons, in which only the first occurrence of each element
+ * is kept.
  *
- * If a property name is provided for `iteratee` the created `_.property`
- * style callback returns the property value of the given element.
- *
- * If a value is also provided for `thisArg` the created `_.matchesProperty`
- * style callback returns `true` for elements that have a matching property
- * value, else `false`.
- *
- * If an object is provided for `iteratee` the created `_.matches` style
- * callback returns `true` for elements that have the properties of the given
- * object, else `false`.
- *
  * @static
  * @memberOf _
- * @alias unique
  * @category Array
  * @param {Array} array The array to inspect.
- * @param {boolean} [isSorted] Specify the array is sorted.
- * @param {Function|Object|string} [iteratee] The function invoked per iteration.
- * @param {*} [thisArg] The `this` binding of `iteratee`.
- * @returns {Array} Returns the new duplicate-value-free array.
+ * @returns {Array} Returns the new duplicate free array.
  * @example
@@ -76,33 +187,135 @@ *
  * // => [2, 1]
+ */
+function uniq(array) {
+  return (array && array.length)
+    ? baseUniq(array)
+    : [];
+}
+
+/**
+ * Checks if `value` is classified as a `Function` object.
  *
- * // using `isSorted`
- * _.uniq([1, 1, 2], true);
- * // => [1, 2]
+ * @static
+ * @memberOf _
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
+ * @example
  *
- * // using an iteratee function
- * _.uniq([1, 2.5, 1.5, 2], function(n) {
- *   return this.floor(n);
- * }, Math);
- * // => [1, 2.5]
+ * _.isFunction(_);
+ * // => true
  *
- * // using the `_.property` callback shorthand
- * _.uniq([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');
- * // => [{ 'x': 1 }, { 'x': 2 }]
+ * _.isFunction(/abc/);
+ * // => false
  */
-function uniq(array, isSorted, iteratee, thisArg) {
-  var length = array ? array.length : 0;
-  if (!length) {
-    return [];
+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 the [language type](https://es5.github.io/#x8) of `Object`.
+ * (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
+ *
+ * @static
+ * @memberOf _
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is an object, else `false`.
+ * @example
+ *
+ * _.isObject({});
+ * // => true
+ *
+ * _.isObject([1, 2, 3]);
+ * // => true
+ *
+ * _.isObject(_.noop);
+ * // => true
+ *
+ * _.isObject(null);
+ * // => false
+ */
+function isObject(value) {
+  // Avoid a V8 JIT bug in Chrome 19-20.
+  // See https://code.google.com/p/v8/issues/detail?id=2291 for more details.
+  var type = typeof value;
+  return !!value && (type == 'object' || type == 'function');
+}
+
+/**
+ * Checks if `value` is object-like. A value is object-like if it's not `null`
+ * and has a `typeof` result of "object".
+ *
+ * @static
+ * @memberOf _
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
+ * @example
+ *
+ * _.isObjectLike({});
+ * // => true
+ *
+ * _.isObjectLike([1, 2, 3]);
+ * // => true
+ *
+ * _.isObjectLike(_.noop);
+ * // => false
+ *
+ * _.isObjectLike(null);
+ * // => false
+ */
+function isObjectLike(value) {
+  return !!value && typeof value == 'object';
+}
+
+/**
+ * Checks if `value` is a native function.
+ *
+ * @static
+ * @memberOf _
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a native function, else `false`.
+ * @example
+ *
+ * _.isNative(Array.prototype.push);
+ * // => true
+ *
+ * _.isNative(_);
+ * // => false
+ */
+function isNative(value) {
+  if (value == null) {
+    return false;
   }
-  if (isSorted != null && typeof isSorted != 'boolean') {
-    thisArg = iteratee;
-    iteratee = isIterateeCall(array, isSorted, thisArg) ? undefined : isSorted;
-    isSorted = false;
+  if (isFunction(value)) {
+    return reIsNative.test(funcToString.call(value));
   }
-  iteratee = iteratee == null ? iteratee : baseCallback(iteratee, thisArg, 3);
-  return (isSorted)
-    ? sortedUniq(array, iteratee)
-    : baseUniq(array, iteratee);
+  return isObjectLike(value) &&
+    (isHostObject(value) ? reIsNative : reIsHostCtor).test(value);
 }
 
+/**
+ * A no-operation function that returns `undefined` regardless of the
+ * arguments it receives.
+ *
+ * @static
+ * @memberOf _
+ * @category Util
+ * @example
+ *
+ * var object = { 'user': 'fred' };
+ *
+ * _.noop(object) === undefined;
+ * // => true
+ */
+function noop() {
+  // No operation performed.
+}
+
 module.exports = uniq;

package.json

 {
   "name": "lodash.uniq",
-  "version": "3.2.2",
-  "description": "The modern build of lodash’s `_.uniq` as a module.",
+  "version": "4.0.0",
+  "description": "The lodash method `_.uniq` 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, uniq",
   "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/)"
@@ -20,8 +18,7 @@ ],
   "dependencies": {
-    "lodash._basecallback": "^3.0.0",
-    "lodash._baseuniq": "^3.0.0",
-    "lodash._getnative": "^3.0.0",
-    "lodash._isiterateecall": "^3.0.0",
-    "lodash.isarray": "^3.0.0"
+    "lodash._arrayincludes": "^3.0.0",
+    "lodash._arrayincludeswith": "^3.0.0",
+    "lodash._cachehas": "^3.0.0",
+    "lodash._setcache": "^3.0.0"
   }
 }

README.md

@@ -1,4 +0,4 @@
-# lodash.uniq v3.2.2
+# lodash.uniq v4.0.0
 
-The [modern build](https://github.com/lodash/lodash/wiki/Build-Differences) of [lodash’s](https://lodash.com/) `_.uniq` exported as a [Node.js](http://nodejs.org/)/[io.js](https://iojs.org/) module.
+The [lodash](https://lodash.com/) method `_.uniq` 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 uniq = require('lodash.uniq');
 
-See the [documentation](https://lodash.com/docs#uniq) or [package source](https://github.com/lodash/lodash/blob/3.2.2-npm-packages/lodash.uniq) for more details.
+See the [documentation](https://lodash.com/docs#uniq) or [package source](https://github.com/lodash/lodash/blob/4.0.0-npm-packages/lodash.uniq) 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

10874

increased by67.22%

Dependency count

4

decreased by-20%

Lines of code

294

increased by191.09%

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

• + Addedlodash._arrayincludes@^3.0.0

• + Addedlodash._arrayincludeswith@^3.0.0

• + Addedlodash._cachehas@^3.0.0

• + Addedlodash._setcache@^3.0.0

• - Removedlodash._basecallback@^3.0.0

• - Removedlodash._baseuniq@^3.0.0

• - Removedlodash._getnative@^3.0.0

• - Removedlodash._isiterateecall@^3.0.0

• - Removedlodash.isarray@^3.0.0

• - Removedlodash._basecallback@3.3.1(transitive)

• - Removedlodash._baseindexof@3.1.0(transitive)

• - Removedlodash._baseisequal@3.0.7(transitive)

• - Removedlodash._baseuniq@3.0.3(transitive)

• - Removedlodash._bindcallback@3.0.1(transitive)

• - Removedlodash._cacheindexof@3.0.2(transitive)

• - Removedlodash._createcache@3.1.2(transitive)

• - Removedlodash._getnative@3.9.1(transitive)

• - Removedlodash._isiterateecall@3.0.9(transitive)

• - Removedlodash.isarguments@3.1.0(transitive)

• - Removedlodash.isarray@3.0.4(transitive)

• - Removedlodash.istypedarray@3.0.6(transitive)

• - Removedlodash.keys@3.1.2(transitive)

• - Removedlodash.pairs@3.0.1(transitive)