mirror of
https://github.com/whoisclebs/lodash.git
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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.sample v3.1.0
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# lodash.sample v4.0.0
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The [modern build](https://github.com/lodash/lodash/wiki/Build-Differences) of [lodash’s](https://lodash.com/) `_.sample` exported as a [Node.js](http://nodejs.org/)/[io.js](https://iojs.org/) module.
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The [lodash](https://lodash.com/) method `_.sample` 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.sample
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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 sample = require('lodash.sample');
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```
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See the [documentation](https://lodash.com/docs#sample) or [package source](https://github.com/lodash/lodash/blob/3.1.0-npm-packages/lodash.sample) for more details.
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See the [documentation](https://lodash.com/docs#sample) or [package source](https://github.com/lodash/lodash/blob/4.0.0-npm-packages/lodash.sample) for more details.
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@@ -1,58 +1,245 @@
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/**
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* lodash 3.1.0 (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 baseRandom = require('lodash._baserandom'),
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isIterateeCall = require('lodash._isiterateecall'),
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toIterable = require('lodash._toiterable'),
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toArray = require('lodash.toarray');
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var arrayMap = require('lodash._arraymap'),
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keys = require('lodash.keys');
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/* Native method references for those with the same name as other `lodash` methods. */
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var nativeMin = Math.min;
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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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* Gets a random element or `n` random elements from a collection.
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* The base implementation of `_.values` and `_.valuesIn` which creates an
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* array of `object` property values corresponding to the property names
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* of `props`.
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*
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* @private
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* @param {Object} object The object to query.
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* @param {Array} props The property names to get values for.
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* @returns {Object} Returns the array of property values.
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*/
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function baseValues(object, props) {
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return arrayMap(props, function(key) {
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return object[key];
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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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/* Built-in method references for those with the same name as other `lodash` methods. */
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var nativeFloor = Math.floor,
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nativeRandom = Math.random;
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/**
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* The base implementation of `_.property` without support for deep paths.
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*
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* @private
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* @param {string} key The key of the property to get.
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* @returns {Function} Returns the new function.
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*/
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function baseProperty(key) {
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return function(object) {
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return object == null ? undefined : object[key];
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};
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}
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/**
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* The base implementation of `_.random` without support for returning
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* floating-point numbers.
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*
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* @private
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* @param {number} lower The lower bound.
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* @param {number} upper The upper bound.
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* @returns {number} Returns the random number.
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*/
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function baseRandom(lower, upper) {
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return lower + nativeFloor(nativeRandom() * (upper - lower + 1));
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}
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/**
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* Gets the "length" property value of `object`.
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*
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* **Note:** This function is used to avoid a [JIT bug](https://bugs.webkit.org/show_bug.cgi?id=142792)
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* that affects Safari on at least iOS 8.1-8.3 ARM64.
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*
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* @private
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* @param {Object} object The object to query.
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* @returns {*} Returns the "length" value.
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*/
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var getLength = baseProperty('length');
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/**
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* Gets a random element from `collection`.
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*
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* @static
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* @memberOf _
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* @category Collection
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* @param {Array|Object|string} collection The collection to sample.
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* @param {number} [n] The number of elements to sample.
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* @param- {Object} [guard] Enables use as a callback for functions like `_.map`.
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* @returns {*} Returns the random sample(s).
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* @param {Array|Object} collection The collection to sample.
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* @returns {*} Returns the random element.
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* @example
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*
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* _.sample([1, 2, 3, 4]);
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* // => 2
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*
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* _.sample([1, 2, 3, 4], 2);
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* // => [3, 1]
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*/
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function sample(collection, n, guard) {
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if (guard ? isIterateeCall(collection, n, guard) : n == null) {
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collection = toIterable(collection);
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var length = collection.length;
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return length > 0 ? collection[baseRandom(0, length - 1)] : undefined;
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}
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var index = -1,
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result = toArray(collection),
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length = result.length,
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lastIndex = length - 1;
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function sample(collection) {
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var array = isArrayLike(collection) ? collection : values(collection),
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length = array.length;
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n = nativeMin(n < 0 ? 0 : (+n || 0), length);
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while (++index < n) {
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var rand = baseRandom(index, lastIndex),
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value = result[rand];
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return length > 0 ? array[baseRandom(0, length - 1)] : undefined;
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}
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result[rand] = result[index];
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result[index] = value;
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}
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result.length = n;
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return result;
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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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* 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.
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* @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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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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* Creates an array of the own enumerable property values of `object`.
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*
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* **Note:** Non-object values are coerced to objects.
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*
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* @static
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* @memberOf _
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* @category Object
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* @param {Object} object The object to query.
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* @returns {Array} Returns the array of property values.
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* @example
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*
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* function Foo() {
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* this.a = 1;
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* this.b = 2;
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* }
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*
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* Foo.prototype.c = 3;
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*
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* _.values(new Foo);
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* // => [1, 2] (iteration order is not guaranteed)
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*
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* _.values('hi');
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* // => ['h', 'i']
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*/
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function values(object) {
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return object ? baseValues(object, keys(object)) : [];
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}
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module.exports = sample;
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@@ -1,26 +1,21 @@
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{
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"name": "lodash.sample",
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"version": "3.1.0",
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"description": "The modern build of lodash’s `_.sample` as a module.",
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"version": "4.0.0",
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"description": "The lodash method `_.sample` exported as a module.",
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"homepage": "https://lodash.com/",
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"icon": "https://lodash.com/icon.svg",
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"license": "MIT",
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"keywords": "lodash, lodash-modularized, stdlib, util",
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"keywords": "lodash, lodash-modularized, stdlib, util, sample",
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"author": "John-David Dalton <john.david.dalton@gmail.com> (http://allyoucanleet.com/)",
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"contributors": [
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"John-David Dalton <john.david.dalton@gmail.com> (http://allyoucanleet.com/)",
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"Benjamin Tan <demoneaux@gmail.com> (https://d10.github.io/)",
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"Blaine Bublitz <blaine@iceddev.com> (http://www.iceddev.com/)",
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"Kit Cambridge <github@kitcambridge.be> (http://kitcambridge.be/)",
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"Blaine Bublitz <blaine@iceddev.com> (https://github.com/phated)",
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"Mathias Bynens <mathias@qiwi.be> (https://mathiasbynens.be/)"
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],
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"repository": "lodash/lodash",
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"scripts": { "test": "echo \"See https://travis-ci.org/lodash/lodash-cli for testing details.\"" },
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"dependencies": {
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"lodash._baserandom": "^3.0.0",
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"lodash._isiterateecall": "^3.0.0",
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"lodash._toiterable": "^3.0.0",
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"lodash.toarray": "^3.0.0",
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"lodash.values": "^3.0.0"
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"lodash._arraymap": "^3.0.0",
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"lodash.keys": "^4.0.0"
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}
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}
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