mirror of
https://github.com/whoisclebs/lodash.git
synced 2026-02-07 18:07:49 +00:00
Bump to v4.0.0.
This commit is contained in:
@@ -1,5 +1,5 @@
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Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
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Based on Underscore.js, copyright 2009-2015 Jeremy Ashkenas,
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Copyright 2012-2016 The Dojo Foundation <http://dojofoundation.org/>
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Based on Underscore.js, copyright 2009-2016 Jeremy Ashkenas,
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DocumentCloud and Investigative Reporters & Editors <http://underscorejs.org/>
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Permission is hereby granted, free of charge, to any person obtaining
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@@ -1,20 +1,18 @@
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# lodash.intersection v3.2.0
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# lodash.intersection v4.0.0
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The [modern build](https://github.com/lodash/lodash/wiki/Build-Differences) of [lodash’s](https://lodash.com/) `_.intersection` exported as a [Node.js](http://nodejs.org/)/[io.js](https://iojs.org/) module.
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The [lodash](https://lodash.com/) method `_.intersection` exported as a [Node.js](https://nodejs.org/) module.
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## Installation
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Using npm:
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```bash
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$ {sudo -H} npm i -g npm
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$ npm i --save lodash.intersection
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```
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In Node.js/io.js:
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In Node.js:
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```js
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var intersection = require('lodash.intersection');
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```
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See the [documentation](https://lodash.com/docs#intersection) or [package source](https://github.com/lodash/lodash/blob/3.2.0-npm-packages/lodash.intersection) for more details.
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See the [documentation](https://lodash.com/docs#intersection) or [package source](https://github.com/lodash/lodash/blob/4.0.0-npm-packages/lodash.intersection) for more details.
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@@ -1,21 +1,100 @@
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/**
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* lodash 3.2.0 (Custom Build) <https://lodash.com/>
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* Build: `lodash modern modularize exports="npm" -o ./`
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* Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
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* lodash 4.0.0 (Custom Build) <https://lodash.com/>
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* Build: `lodash modularize exports="npm" -o ./`
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* Copyright 2012-2016 The Dojo Foundation <http://dojofoundation.org/>
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* Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
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* Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
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* Copyright 2009-2016 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
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* Available under MIT license <https://lodash.com/license>
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*/
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var baseIndexOf = require('lodash._baseindexof'),
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cacheIndexOf = require('lodash._cacheindexof'),
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createCache = require('lodash._createcache'),
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restParam = require('lodash.restparam');
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var SetCache = require('lodash._setcache'),
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arrayIncludes = require('lodash._arrayincludes'),
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arrayIncludesWith = require('lodash._arrayincludeswith'),
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arrayMap = require('lodash._arraymap'),
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cacheHas = require('lodash._cachehas'),
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rest = require('lodash.rest');
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/** Used as references for various `Number` constants. */
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var MAX_SAFE_INTEGER = 9007199254740991;
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/** `Object#toString` result references. */
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var funcTag = '[object Function]',
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genTag = '[object GeneratorFunction]';
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/**
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* Used as the [maximum length](http://ecma-international.org/ecma-262/6.0/#sec-number.max_safe_integer)
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* of an array-like value.
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* The base implementation of `_.unary` without support for storing wrapper metadata.
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*
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* @private
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* @param {Function} func The function to cap arguments for.
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* @returns {Function} Returns the new function.
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*/
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var MAX_SAFE_INTEGER = 9007199254740991;
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function baseUnary(func) {
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return function(value) {
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return func(value);
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};
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}
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/** Used for built-in method references. */
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var objectProto = global.Object.prototype;
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/**
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* Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)
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* of values.
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*/
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var objectToString = objectProto.toString;
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/**
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* The base implementation of methods like `_.intersection`, without support
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* for iteratee shorthands, that accepts an array of arrays to inspect.
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*
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* @private
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* @param {Array} arrays The arrays to inspect.
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* @param {Function} [iteratee] The iteratee invoked per element.
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* @param {Function} [comparator] The comparator invoked per element.
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* @returns {Array} Returns the new array of shared values.
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*/
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function baseIntersection(arrays, iteratee, comparator) {
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var includes = comparator ? arrayIncludesWith : arrayIncludes,
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othLength = arrays.length,
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othIndex = othLength,
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caches = Array(othLength),
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result = [];
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while (othIndex--) {
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var array = arrays[othIndex];
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if (othIndex && iteratee) {
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array = arrayMap(array, baseUnary(iteratee));
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}
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caches[othIndex] = !comparator && (iteratee || array.length >= 120)
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? new SetCache(othIndex && array)
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: undefined;
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}
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array = arrays[0];
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var index = -1,
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length = array.length,
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seen = caches[0];
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outer:
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while (++index < length) {
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var value = array[index],
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computed = iteratee ? iteratee(value) : value;
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if (!(seen ? cacheHas(seen, computed) : includes(result, computed, comparator))) {
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var othIndex = othLength;
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while (--othIndex) {
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var cache = caches[othIndex];
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if (!(cache ? cacheHas(cache, computed) : includes(arrays[othIndex], computed, comparator))) {
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continue outer;
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}
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}
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if (seen) {
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seen.push(computed);
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}
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result.push(value);
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}
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}
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return result;
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}
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/**
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* The base implementation of `_.property` without support for deep paths.
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@@ -43,27 +122,14 @@ function baseProperty(key) {
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var getLength = baseProperty('length');
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/**
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* Checks if `value` is array-like.
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* Converts `value` to an array-like object if it's not one.
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*
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* @private
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* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is array-like, else `false`.
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* @param {*} value The value to process.
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* @returns {Array} Returns the array-like object.
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*/
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function isArrayLike(value) {
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return value != null && isLength(getLength(value));
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}
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/**
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* Checks if `value` is a valid array-like length.
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*
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* **Note:** This function is based on [`ToLength`](http://ecma-international.org/ecma-262/6.0/#sec-tolength).
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*
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* @private
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* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
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*/
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function isLength(value) {
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return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
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function toArrayLikeObject(value) {
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return isArrayLikeObject(value) ? value : [];
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}
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/**
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@@ -77,44 +143,181 @@ function isLength(value) {
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* @param {...Array} [arrays] The arrays to inspect.
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* @returns {Array} Returns the new array of shared values.
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* @example
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* _.intersection([1, 2], [4, 2], [2, 1]);
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* _.intersection([2, 1], [4, 2], [1, 2]);
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* // => [2]
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*/
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var intersection = restParam(function(arrays) {
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var othLength = arrays.length,
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othIndex = othLength,
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caches = Array(length),
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indexOf = baseIndexOf,
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isCommon = true,
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result = [];
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while (othIndex--) {
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var value = arrays[othIndex] = isArrayLike(value = arrays[othIndex]) ? value : [];
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caches[othIndex] = (isCommon && value.length >= 120) ? createCache(othIndex && value) : null;
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}
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var array = arrays[0],
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index = -1,
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length = array ? array.length : 0,
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seen = caches[0];
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outer:
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while (++index < length) {
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value = array[index];
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if ((seen ? cacheIndexOf(seen, value) : indexOf(result, value, 0)) < 0) {
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var othIndex = othLength;
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while (--othIndex) {
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var cache = caches[othIndex];
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if ((cache ? cacheIndexOf(cache, value) : indexOf(arrays[othIndex], value, 0)) < 0) {
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continue outer;
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}
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}
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if (seen) {
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seen.push(value);
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}
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result.push(value);
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}
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}
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return result;
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var intersection = rest(function(arrays) {
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var mapped = arrayMap(arrays, toArrayLikeObject);
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return (mapped.length && mapped[0] === arrays[0])
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? baseIntersection(mapped)
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: [];
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});
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/**
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* Checks if `value` is array-like. A value is considered array-like if it's
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* not a function and has a `value.length` that's an integer greater than or
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* equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
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*
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* @static
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* @memberOf _
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* @type Function
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* @category Lang
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* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is array-like, else `false`.
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* @example
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*
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* _.isArrayLike([1, 2, 3]);
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* // => true
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*
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* _.isArrayLike(document.body.children);
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* // => true
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*
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* _.isArrayLike('abc');
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* // => true
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*
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* _.isArrayLike(_.noop);
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* // => false
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*/
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function isArrayLike(value) {
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return value != null &&
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!(typeof value == 'function' && isFunction(value)) && isLength(getLength(value));
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}
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/**
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* This method is like `_.isArrayLike` except that it also checks if `value`
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* is an object.
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*
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* @static
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* @memberOf _
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* @type Function
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* @category Lang
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* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is an array-like object, else `false`.
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* @example
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*
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* _.isArrayLikeObject([1, 2, 3]);
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* // => true
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*
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* _.isArrayLikeObject(document.body.children);
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* // => true
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*
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* _.isArrayLikeObject('abc');
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* // => false
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*
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* _.isArrayLikeObject(_.noop);
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* // => false
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*/
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function isArrayLikeObject(value) {
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return isObjectLike(value) && isArrayLike(value);
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}
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/**
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* Checks if `value` is classified as a `Function` object.
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*
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* @static
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* @memberOf _
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* @category Lang
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* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
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* @example
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*
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* _.isFunction(_);
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* // => true
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*
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* _.isFunction(/abc/);
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* // => false
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*/
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function isFunction(value) {
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// The use of `Object#toString` avoids issues with the `typeof` operator
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// in Safari 8 which returns 'object' for typed array constructors, and
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// PhantomJS 1.9 which returns 'function' for `NodeList` instances.
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var tag = isObject(value) ? objectToString.call(value) : '';
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return tag == funcTag || tag == genTag;
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}
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/**
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* Checks if `value` is a valid array-like length.
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*
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* **Note:** This function is loosely based on [`ToLength`](http://ecma-international.org/ecma-262/6.0/#sec-tolength).
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*
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* @static
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* @memberOf _
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* @category Lang
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* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
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* @example
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*
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* _.isLength(3);
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* // => true
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*
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* _.isLength(Number.MIN_VALUE);
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* // => false
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*
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* _.isLength(Infinity);
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* // => false
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*
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* _.isLength('3');
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* // => false
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*/
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function isLength(value) {
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return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
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}
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/**
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* Checks if `value` is the [language type](https://es5.github.io/#x8) of `Object`.
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* (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
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*
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* @static
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* @memberOf _
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* @category Lang
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* @param {*} value The value to check.
|
||||
* @returns {boolean} Returns `true` if `value` is an object, else `false`.
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* @example
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*
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* _.isObject({});
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* // => true
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*
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* _.isObject([1, 2, 3]);
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* // => true
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*
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* _.isObject(_.noop);
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* // => true
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*
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* _.isObject(null);
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* // => false
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*/
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function isObject(value) {
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// Avoid a V8 JIT bug in Chrome 19-20.
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// See https://code.google.com/p/v8/issues/detail?id=2291 for more details.
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var type = typeof value;
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||||
return !!value && (type == 'object' || type == 'function');
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||||
}
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||||
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||||
/**
|
||||
* Checks if `value` is object-like. A value is object-like if it's not `null`
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* and has a `typeof` result of "object".
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||||
*
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||||
* @static
|
||||
* @memberOf _
|
||||
* @category Lang
|
||||
* @param {*} value The value to check.
|
||||
* @returns {boolean} Returns `true` if `value` is object-like, else `false`.
|
||||
* @example
|
||||
*
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||||
* _.isObjectLike({});
|
||||
* // => true
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||||
*
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||||
* _.isObjectLike([1, 2, 3]);
|
||||
* // => true
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||||
*
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||||
* _.isObjectLike(_.noop);
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||||
* // => false
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||||
*
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||||
* _.isObjectLike(null);
|
||||
* // => false
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||||
*/
|
||||
function isObjectLike(value) {
|
||||
return !!value && typeof value == 'object';
|
||||
}
|
||||
|
||||
module.exports = intersection;
|
||||
|
||||
@@ -1,25 +1,25 @@
|
||||
{
|
||||
"name": "lodash.intersection",
|
||||
"version": "3.2.0",
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||||
"description": "The modern build of lodash’s `_.intersection` as a module.",
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||||
"version": "4.0.0",
|
||||
"description": "The lodash method `_.intersection` exported as a module.",
|
||||
"homepage": "https://lodash.com/",
|
||||
"icon": "https://lodash.com/icon.svg",
|
||||
"license": "MIT",
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||||
"keywords": "lodash, lodash-modularized, stdlib, util",
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||||
"keywords": "lodash, lodash-modularized, stdlib, util, intersection",
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||||
"author": "John-David Dalton <john.david.dalton@gmail.com> (http://allyoucanleet.com/)",
|
||||
"contributors": [
|
||||
"John-David Dalton <john.david.dalton@gmail.com> (http://allyoucanleet.com/)",
|
||||
"Benjamin Tan <demoneaux@gmail.com> (https://d10.github.io/)",
|
||||
"Blaine Bublitz <blaine@iceddev.com> (http://www.iceddev.com/)",
|
||||
"Kit Cambridge <github@kitcambridge.be> (http://kitcambridge.be/)",
|
||||
"Blaine Bublitz <blaine@iceddev.com> (https://github.com/phated)",
|
||||
"Mathias Bynens <mathias@qiwi.be> (https://mathiasbynens.be/)"
|
||||
],
|
||||
"repository": "lodash/lodash",
|
||||
"scripts": { "test": "echo \"See https://travis-ci.org/lodash/lodash-cli for testing details.\"" },
|
||||
"dependencies": {
|
||||
"lodash._baseindexof": "^3.0.0",
|
||||
"lodash._cacheindexof": "^3.0.0",
|
||||
"lodash._createcache": "^3.0.0",
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||||
"lodash.restparam": "^3.0.0"
|
||||
"lodash._arrayincludes": "^3.0.0",
|
||||
"lodash._arrayincludeswith": "^3.0.0",
|
||||
"lodash._arraymap": "^3.0.0",
|
||||
"lodash._cachehas": "^3.0.0",
|
||||
"lodash._setcache": "^3.0.0",
|
||||
"lodash.rest": "^4.0.0"
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user