lodash.isarray
Advanced tools
Comparing version 3.0.4 to 4.0.0
163
index.js
/** | ||
* lodash 3.0.4 (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> | ||
*/ | ||
/** `Object#toString` result references. */ | ||
var arrayTag = '[object Array]', | ||
funcTag = '[object Function]'; | ||
/** Used to detect host constructors (Safari > 5). */ | ||
var reIsHostCtor = /^\[object .+?Constructor\]$/; | ||
/** | ||
* Checks if `value` is object-like. | ||
* | ||
* @private | ||
* @param {*} value The value to check. | ||
* @returns {boolean} Returns `true` if `value` is object-like, else `false`. | ||
*/ | ||
function isObjectLike(value) { | ||
return !!value && typeof value == 'object'; | ||
} | ||
/** Used for native method references. */ | ||
var objectProto = Object.prototype; | ||
/** Used to resolve the decompiled source of functions. */ | ||
var fnToString = Function.prototype.toString; | ||
/** Used to check objects for own properties. */ | ||
var hasOwnProperty = objectProto.hasOwnProperty; | ||
/** | ||
* Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring) | ||
* of values. | ||
*/ | ||
var objToString = objectProto.toString; | ||
/** Used to detect if a method is native. */ | ||
var reIsNative = RegExp('^' + | ||
fnToString.call(hasOwnProperty).replace(/[\\^$.*+?()[\]{}|]/g, '\\$&') | ||
.replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$' | ||
); | ||
/* Native method references for those with the same name as other `lodash` methods. */ | ||
var nativeIsArray = getNative(Array, 'isArray'); | ||
/** | ||
* Used as the [maximum length](http://ecma-international.org/ecma-262/6.0/#sec-number.max_safe_integer) | ||
* of an array-like value. | ||
*/ | ||
var MAX_SAFE_INTEGER = 9007199254740991; | ||
/** | ||
* 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; | ||
} | ||
/** | ||
* Checks if `value` is a valid array-like length. | ||
* | ||
* **Note:** This function is based on [`ToLength`](http://ecma-international.org/ecma-262/6.0/#sec-tolength). | ||
* | ||
* @private | ||
* @param {*} value The value to check. | ||
* @returns {boolean} Returns `true` if `value` is a valid length, else `false`. | ||
*/ | ||
function isLength(value) { | ||
return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER; | ||
} | ||
/** | ||
* Checks if `value` is classified as an `Array` object. | ||
@@ -89,2 +15,3 @@ * | ||
* @memberOf _ | ||
* @type Function | ||
* @category Lang | ||
@@ -98,85 +25,13 @@ * @param {*} value The value to check. | ||
* | ||
* _.isArray(function() { return arguments; }()); | ||
* _.isArray(document.body.children); | ||
* // => false | ||
*/ | ||
var isArray = nativeIsArray || function(value) { | ||
return isObjectLike(value) && isLength(value.length) && objToString.call(value) == arrayTag; | ||
}; | ||
/** | ||
* Checks if `value` is classified as a `Function` object. | ||
* | ||
* @static | ||
* @memberOf _ | ||
* @category Lang | ||
* @param {*} value The value to check. | ||
* @returns {boolean} Returns `true` if `value` is correctly classified, else `false`. | ||
* @example | ||
* | ||
* _.isFunction(_); | ||
* // => true | ||
* | ||
* _.isFunction(/abc/); | ||
* _.isArray('abc'); | ||
* // => false | ||
*/ | ||
function isFunction(value) { | ||
// The use of `Object#toString` avoids issues with the `typeof` operator | ||
// in older versions of Chrome and Safari which return 'function' for regexes | ||
// and Safari 8 equivalents which return 'object' for typed array constructors. | ||
return isObject(value) && objToString.call(value) == funcTag; | ||
} | ||
/** | ||
* 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(1); | ||
* _.isArray(_.noop); | ||
* // => 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'); | ||
} | ||
var isArray = Array.isArray; | ||
/** | ||
* 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 (isFunction(value)) { | ||
return reIsNative.test(fnToString.call(value)); | ||
} | ||
return isObjectLike(value) && reIsHostCtor.test(value); | ||
} | ||
module.exports = isArray; |
{ | ||
"name": "lodash.isarray", | ||
"version": "3.0.4", | ||
"description": "The modern build of lodash’s `_.isArray` as a module.", | ||
"version": "4.0.0", | ||
"description": "The lodash method `_.isArray` 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, isarray", | ||
"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/)" | ||
@@ -16,0 +14,0 @@ ], |
@@ -1,4 +0,4 @@ | ||
# lodash.isarray v3.0.4 | ||
# lodash.isarray v4.0.0 | ||
The [modern build](https://github.com/lodash/lodash/wiki/Build-Differences) of [lodash’s](https://lodash.com/) `_.isArray` exported as a [Node.js](http://nodejs.org/)/[io.js](https://iojs.org/) module. | ||
The [lodash](https://lodash.com/) method `_.isArray` 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 isArray = require('lodash.isarray'); | ||
See the [documentation](https://lodash.com/docs#isArray) or [package source](https://github.com/lodash/lodash/blob/3.0.4-npm-packages/lodash.isarray) for more details. | ||
See the [documentation](https://lodash.com/docs#isArray) or [package source](https://github.com/lodash/lodash/blob/4.0.0-npm-packages/lodash.isarray) for more details. |
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Deprecated
MaintenanceThe maintainer of the package marked it as deprecated. This could indicate that a single version should not be used, or that the package is no longer maintained and any new vulnerabilities will not be fixed.
Found 1 instance in 1 package
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