lodash.reduce - 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 baseCallback = require('lodash._basecallback'),
-    baseEach = require('lodash._baseeach'),
+var baseEach = require('lodash._baseeach'),
+    baseIsEqual = require('lodash._baseisequal'),
+    baseIsMatch = require('lodash._baseismatch'),
     baseReduce = require('lodash._basereduce'),
-    isArray = require('lodash.isarray');
+    get = require('lodash.get'),
+    hasIn = require('lodash.hasin'),
+    toPairs = require('lodash.topairs');
 
+/** Used to compose bitmasks for comparison styles. */
+var UNORDERED_COMPARE_FLAG = 1,
+    PARTIAL_COMPARE_FLAG = 2;
+
+/** Used as references for various `Number` constants. */
+var INFINITY = 1 / 0;
+
+/** `Object#toString` result references. */
+var symbolTag = '[object Symbol]';
+
+/** Used to match property names within property paths. */
+var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
+    reIsPlainProp = /^\w*$/,
+    rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]/g;
+
+/** Used to match backslashes in property paths. */
+var reEscapeChar = /\\(\\)?/g;
+
 /**
- * A specialized version of `_.reduce` for arrays without support for callback
- * shorthands and `this` binding.
+ * A specialized version of `_.reduce` for arrays without support for
+ * iteratee shorthands.
  *
@@ -22,4 +43,3 @@ * @private
  * @param {*} [accumulator] The initial value.
- * @param {boolean} [initFromArray] Specify using the first element of `array`
- *  as the initial value.
+ * @param {boolean} [initFromArray] Specify using the first element of `array` as the initial value.
  * @returns {*} Returns the accumulated value.
@@ -40,16 +60,84 @@ */
 
+/** Used for built-in method references. */
+var objectProto = global.Object.prototype;
+
 /**
- * Creates a function for `_.reduce` or `_.reduceRight`.
+ * 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 _Symbol = global.Symbol;
+
+/** Used to convert symbols to primitives and strings. */
+var symbolProto = _Symbol ? _Symbol.prototype : undefined,
+    symbolToString = _Symbol ? symbolProto.toString : undefined;
+
+/**
+ * The base implementation of `_.get` without support for default values.
  *
  * @private
- * @param {Function} arrayFunc The function to iterate over an array.
- * @param {Function} eachFunc The function to iterate over a collection.
- * @returns {Function} Returns the new each function.
+ * @param {Object} object The object to query.
+ * @param {Array|string} path The path of the property to get.
+ * @returns {*} Returns the resolved value.
  */
-function createReduce(arrayFunc, eachFunc) {
-  return function(collection, iteratee, accumulator, thisArg) {
-    var initFromArray = arguments.length < 3;
-    return (typeof iteratee == 'function' && thisArg === undefined && isArray(collection))
-      ? arrayFunc(collection, iteratee, accumulator, initFromArray)
-      : baseReduce(collection, baseCallback(iteratee, thisArg, 4), accumulator, initFromArray, eachFunc);
+function baseGet(object, path) {
+  path = isKey(path, object) ? [path + ''] : baseToPath(path);
+
+  var index = 0,
+      length = path.length;
+
+  while (object != null && index < length) {
+    object = object[path[index++]];
+  }
+  return (index && index == length) ? object : undefined;
+}
+
+/**
+ * The base implementation of `_.iteratee`.
+ *
+ * @private
+ * @param {*} [value=_.identity] The value to convert to an iteratee.
+ * @returns {Function} Returns the iteratee.
+ */
+function baseIteratee(value) {
+  var type = typeof value;
+  if (type == 'function') {
+    return value;
+  }
+  if (value == null) {
+    return identity;
+  }
+  if (type == 'object') {
+    return isArray(value)
+      ? baseMatchesProperty(value[0], value[1])
+      : baseMatches(value);
+  }
+  return property(value);
+}
+
+/**
+ * The base implementation of `_.matches` which doesn't clone `source`.
+ *
+ * @private
+ * @param {Object} source The object of property values to match.
+ * @returns {Function} Returns the new function.
+ */
+function baseMatches(source) {
+  var matchData = getMatchData(source);
+  if (matchData.length == 1 && matchData[0][2]) {
+    var key = matchData[0][0],
+        value = matchData[0][1];
+
+    return function(object) {
+      if (object == null) {
+        return false;
+      }
+      return object[key] === value &&
+        (value !== undefined || (key in Object(object)));
+    };
+  }
+  return function(object) {
+    return object === source || baseIsMatch(object, source, matchData);
   };
@@ -59,2 +147,118 @@ }
 /**
+ * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.
+ *
+ * @private
+ * @param {string} path The path of the property to get.
+ * @param {*} srcValue The value to match.
+ * @returns {Function} Returns the new function.
+ */
+function baseMatchesProperty(path, srcValue) {
+  return function(object) {
+    var objValue = get(object, path);
+    return (objValue === undefined && objValue === srcValue)
+      ? hasIn(object, path)
+      : baseIsEqual(srcValue, objValue, undefined, UNORDERED_COMPARE_FLAG | PARTIAL_COMPARE_FLAG);
+  };
+}
+
+/**
+ * The base implementation of `_.property` without support for deep paths.
+ *
+ * @private
+ * @param {string} key The key of the property to get.
+ * @returns {Function} Returns the new function.
+ */
+function baseProperty(key) {
+  return function(object) {
+    return object == null ? undefined : object[key];
+  };
+}
+
+/**
+ * A specialized version of `baseProperty` which supports deep paths.
+ *
+ * @private
+ * @param {Array|string} path The path of the property to get.
+ * @returns {Function} Returns the new function.
+ */
+function basePropertyDeep(path) {
+  return function(object) {
+    return baseGet(object, path);
+  };
+}
+
+/**
+ * The base implementation of `_.toPath` which only converts `value` to a
+ * path if it's not one.
+ *
+ * @private
+ * @param {*} value The value to process.
+ * @returns {Array} Returns the property path array.
+ */
+function baseToPath(value) {
+  return isArray(value) ? value : stringToPath(value);
+}
+
+/**
+ * Gets the property names, values, and compare flags of `object`.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @returns {Array} Returns the match data of `object`.
+ */
+function getMatchData(object) {
+  var result = toPairs(object),
+      length = result.length;
+
+  while (length--) {
+    result[length][2] = isStrictComparable(result[length][1]);
+  }
+  return result;
+}
+
+/**
+ * Checks if `value` is a property name and not a property path.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @param {Object} [object] The object to query keys on.
+ * @returns {boolean} Returns `true` if `value` is a property name, else `false`.
+ */
+function isKey(value, object) {
+  if (typeof value == 'number') {
+    return true;
+  }
+  return !isArray(value) &&
+    (reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||
+      (object != null && value in Object(object)));
+}
+
+/**
+ * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` if suitable for strict
+ *  equality comparisons, else `false`.
+ */
+function isStrictComparable(value) {
+  return value === value && !isObject(value);
+}
+
+/**
+ * Converts `string` to a property path array.
+ *
+ * @private
+ * @param {string} string The string to convert.
+ * @returns {Array} Returns the property path array.
+ */
+function stringToPath(string) {
+  var result = [];
+  toString(string).replace(rePropName, function(match, number, quote, string) {
+    result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));
+  });
+  return result;
+}
+
+/**
  * Reduces `collection` to a value which is the accumulated result of running
@@ -64,3 +268,3 @@ * each element in `collection` through `iteratee`, where each successive
  * is not provided the first element of `collection` is used as the initial
- * value. The `iteratee` is bound to `thisArg` and invoked with four arguments:
+ * value. The iteratee is invoked with four arguments:
  * (accumulator, value, index|key, collection).
@@ -72,28 +276,214 @@ *
  * The guarded methods are:
- * `assign`, `defaults`, `includes`, `merge`, `sortByAll`, and `sortByOrder`
+ * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,
+ * and `sortBy`
  *
  * @static
  * @memberOf _
- * @alias foldl, inject
  * @category Collection
- * @param {Array|Object|string} collection The collection to iterate over.
+ * @param {Array|Object} collection The collection to iterate over.
  * @param {Function} [iteratee=_.identity] The function invoked per iteration.
  * @param {*} [accumulator] The initial value.
- * @param {*} [thisArg] The `this` binding of `iteratee`.
  * @returns {*} Returns the accumulated value.
  * @example
  *
- * _.reduce([1, 2], function(total, n) {
- *   return total + n;
+ * _.reduce([1, 2], function(sum, n) {
+ *   return sum + n;
  * });
  * // => 3
  *
- * _.reduce({ 'a': 1, 'b': 2 }, function(result, n, key) {
- *   result[key] = n * 3;
+ * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {
+ *   (result[value] || (result[value] = [])).push(key);
  *   return result;
  * }, {});
- * // => { 'a': 3, 'b': 6 } (iteration order is not guaranteed)
+ * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)
  */
-var reduce = createReduce(arrayReduce, baseEach);
+function reduce(collection, iteratee, accumulator) {
+  var func = isArray(collection) ? arrayReduce : baseReduce,
+      initFromCollection = arguments.length < 3;
 
+  return func(collection, baseIteratee(iteratee, 4), accumulator, initFromCollection, baseEach);
+}
+
+/**
+ * Checks if `value` is classified as an `Array` object.
+ *
+ * @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
+ */
+var isArray = Array.isArray;
+
+/**
+ * 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 classified as a `Symbol` primitive or object.
+ *
+ * @static
+ * @memberOf _
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
+ * @example
+ *
+ * _.isSymbol(Symbol.iterator);
+ * // => true
+ *
+ * _.isSymbol('abc');
+ * // => false
+ */
+function isSymbol(value) {
+  return typeof value == 'symbol' ||
+    (isObjectLike(value) && objectToString.call(value) == symbolTag);
+}
+
+/**
+ * Converts `value` to a string if it's not one. An empty string is returned
+ * for `null` and `undefined` values. The sign of `-0` is preserved.
+ *
+ * @static
+ * @memberOf _
+ * @category Lang
+ * @param {*} value The value to process.
+ * @returns {string} Returns the string.
+ * @example
+ *
+ * _.toString(null);
+ * // => ''
+ *
+ * _.toString(-0);
+ * // => '-0'
+ *
+ * _.toString([1, 2, 3]);
+ * // => '1,2,3'
+ */
+function toString(value) {
+  // Exit early for strings to avoid a performance hit in some environments.
+  if (typeof value == 'string') {
+    return value;
+  }
+  if (value == null) {
+    return '';
+  }
+  if (isSymbol(value)) {
+    return _Symbol ? symbolToString.call(value) : '';
+  }
+  var result = (value + '');
+  return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
+}
+
+/**
+ * This method returns the first argument provided to it.
+ *
+ * @static
+ * @memberOf _
+ * @category Util
+ * @param {*} value Any value.
+ * @returns {*} Returns `value`.
+ * @example
+ *
+ * var object = { 'user': 'fred' };
+ *
+ * _.identity(object) === object;
+ * // => true
+ */
+function identity(value) {
+  return value;
+}
+
+/**
+ * Creates a function that returns the value at `path` of a given object.
+ *
+ * @static
+ * @memberOf _
+ * @category Util
+ * @param {Array|string} path The path of the property to get.
+ * @returns {Function} Returns the new function.
+ * @example
+ *
+ * var objects = [
+ *   { 'a': { 'b': { 'c': 2 } } },
+ *   { 'a': { 'b': { 'c': 1 } } }
+ * ];
+ *
+ * _.map(objects, _.property('a.b.c'));
+ * // => [2, 1]
+ *
+ * _.map(_.sortBy(objects, _.property(['a', 'b', 'c'])), 'a.b.c');
+ * // => [1, 2]
+ */
+function property(path) {
+  return isKey(path) ? baseProperty(path) : basePropertyDeep(path);
+}
+
 module.exports = reduce;

package.json

 {
   "name": "lodash.reduce",
-  "version": "3.1.2",
-  "description": "The modern build of lodash’s `_.reduce` as a module.",
+  "version": "4.0.0",
+  "description": "The lodash method `_.reduce` 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, reduce",
   "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 +18,10 @@ ],
   "dependencies": {
-    "lodash._basecallback": "^3.0.0",
-    "lodash._baseeach": "^3.0.0",
+    "lodash._baseeach": "^4.0.0",
+    "lodash._baseisequal": "^4.0.0",
+    "lodash._baseismatch": "^4.0.0",
     "lodash._basereduce": "^3.0.0",
-    "lodash.isarray": "^3.0.0",
-    "lodash.keys": "^3.0.0"
+    "lodash.get": "^4.0.0",
+    "lodash.hasin": "^4.0.0",
+    "lodash.topairs": "^4.0.0"
   }
 }

README.md

@@ -1,4 +0,4 @@
-# lodash.reduce v3.1.2
+# lodash.reduce v4.0.0
 
-The [modern build](https://github.com/lodash/lodash/wiki/Build-Differences) of [lodash’s](https://lodash.com/) `_.reduce` exported as a [Node.js](http://nodejs.org/)/[io.js](https://iojs.org/) module.
+The [lodash](https://lodash.com/) method `_.reduce` 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 reduce = require('lodash.reduce');
 
-See the [documentation](https://lodash.com/docs#reduce) or [package source](https://github.com/lodash/lodash/blob/3.1.2-npm-packages/lodash.reduce) for more details.
+See the [documentation](https://lodash.com/docs#reduce) or [package source](https://github.com/lodash/lodash/blob/4.0.0-npm-packages/lodash.reduce) for more details.

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Fixed alerts

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Improved metrics

Total package byte prevSize

15725

increased by147.37%

Lines of code

448

increased by403.37%

Worsened metrics

Dependency count

7

increased by40%

Number of lines in readme file

19

decreased by-9.52%

Number of medium supply chain risk alerts

1

increased byInfinity%

Dependency changes

• + Addedlodash._baseisequal@^4.0.0

• + Addedlodash._baseismatch@^4.0.0

• + Addedlodash.get@^4.0.0

• + Addedlodash.hasin@^4.0.0

• + Addedlodash.topairs@^4.0.0

• + Addedlodash._baseeach@4.1.3(transitive)

• + Addedlodash._baseisequal@4.1.1(transitive)

• + Addedlodash._baseismatch@4.0.2(transitive)

• + Addedlodash._root@3.0.1(transitive)

• + Addedlodash._stack@4.1.3(transitive)

• + Addedlodash.get@4.4.2(transitive)

• + Addedlodash.hasin@4.5.2(transitive)

• + Addedlodash.keys@4.2.0(transitive)

• + Addedlodash.topairs@4.3.0(transitive)

• - Removedlodash._basecallback@^3.0.0

• - Removedlodash.isarray@^3.0.0

• - Removedlodash.keys@^3.0.0

• - Removedlodash._basecallback@3.3.1(transitive)

• - Removedlodash._baseeach@3.0.4(transitive)

• - Removedlodash._baseisequal@3.0.7(transitive)

• - Removedlodash._bindcallback@3.0.1(transitive)

• - Removedlodash._getnative@3.9.1(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)

• Updatedlodash._baseeach@^4.0.0