Bump to v3.0.0.

This commit is contained in:
John-David Dalton
2014-12-20 17:27:20 -06:00
commit bb53dde973
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Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
Based on Underscore.js 1.7.0, copyright 2009-2015 Jeremy Ashkenas,
DocumentCloud and Investigative Reporters & Editors <http://underscorejs.org/>
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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# lodash._baseisequal v3.0.0
The [modern build](https://github.com/lodash/lodash/wiki/Build-Differences) of [lodashs](https://lodash.com/) internal `baseIsEqual` exported as a [Node.js](http://nodejs.org/)/[io.js](https://iojs.org/) module.
## Installation
Using npm:
```bash
$ {sudo -H} npm i -g npm
$ npm i --save lodash._baseisequal
```
In Node.js/io.js:
```js
var baseIsEqual = require('lodash._baseisequal');
```
See the [package source](https://github.com/lodash/lodash/blob/3.0.0-npm-packages/lodash._baseisequal) for more details.

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/**
* lodash 3.0.0 (Custom Build) <https://lodash.com/>
* Build: `lodash modern modularize exports="npm" -o ./`
* Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
* Based on Underscore.js 1.7.0 <http://underscorejs.org/LICENSE>
* Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
* Available under MIT license <https://lodash.com/license>
*/
var isArray = require('lodash.isarray'),
isTypedArray = require('lodash.istypedarray'),
keys = require('lodash.keys');
/** `Object#toString` result references. */
var argsTag = '[object Arguments]',
arrayTag = '[object Array]',
boolTag = '[object Boolean]',
dateTag = '[object Date]',
errorTag = '[object Error]',
numberTag = '[object Number]',
objectTag = '[object Object]',
regexpTag = '[object RegExp]',
stringTag = '[object String]';
/**
* Converts `value` to a string if it is not one. An empty string is returned
* for `null` or `undefined` values.
*
* @private
* @param {*} value The value to process.
* @returns {string} Returns the string.
*/
function baseToString(value) {
if (typeof value == 'string') {
return value;
}
return value == null ? '' : (value + '');
}
/** Used for native method references. */
var objectProto = Object.prototype;
/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;
/**
* Used to resolve the `toStringTag` of values.
* See the [ES spec](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-object.prototype.tostring)
* for more details.
*/
var objToString = objectProto.toString;
/**
* The base implementation of `_.isEqual` without support for `this` binding
* `customizer` functions.
*
* @private
* @param {*} value The value to compare.
* @param {*} other The other value to compare.
* @param {Function} [customizer] The function to customize comparing values.
* @param {boolean} [isWhere] Specify performing partial comparisons.
* @param {Array} [stackA] Tracks traversed `value` objects.
* @param {Array} [stackB] Tracks traversed `other` objects.
* @returns {boolean} Returns `true` if the values are equivalent, else `false`.
*/
function baseIsEqual(value, other, customizer, isWhere, stackA, stackB) {
// Exit early for identical values.
if (value === other) {
// Treat `+0` vs. `-0` as not equal.
return value !== 0 || (1 / value == 1 / other);
}
var valType = typeof value,
othType = typeof other;
// Exit early for unlike primitive values.
if ((valType != 'function' && valType != 'object' && othType != 'function' && othType != 'object') ||
value == null || other == null) {
// Return `false` unless both values are `NaN`.
return value !== value && other !== other;
}
return baseIsEqualDeep(value, other, baseIsEqual, customizer, isWhere, stackA, stackB);
}
/**
* A specialized version of `baseIsEqual` for arrays and objects which performs
* deep comparisons and tracks traversed objects enabling objects with circular
* references to be compared.
*
* @private
* @param {Object} object The object to compare.
* @param {Object} other The other object to compare.
* @param {Function} equalFunc The function to determine equivalents of values.
* @param {Function} [customizer] The function to customize comparing objects.
* @param {boolean} [isWhere] Specify performing partial comparisons.
* @param {Array} [stackA=[]] Tracks traversed `value` objects.
* @param {Array} [stackB=[]] Tracks traversed `other` objects.
* @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
*/
function baseIsEqualDeep(object, other, equalFunc, customizer, isWhere, stackA, stackB) {
var objIsArr = isArray(object),
othIsArr = isArray(other),
objTag = arrayTag,
othTag = arrayTag;
if (!objIsArr) {
objTag = objToString.call(object);
if (objTag == argsTag) {
objTag = objectTag;
} else if (objTag != objectTag) {
objIsArr = isTypedArray(object);
}
}
if (!othIsArr) {
othTag = objToString.call(other);
if (othTag == argsTag) {
othTag = objectTag;
} else if (othTag != objectTag) {
othIsArr = isTypedArray(other);
}
}
var objIsObj = objTag == objectTag,
othIsObj = othTag == objectTag,
isSameTag = objTag == othTag;
if (isSameTag && !(objIsArr || objIsObj)) {
return equalByTag(object, other, objTag);
}
var valWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),
othWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');
if (valWrapped || othWrapped) {
return equalFunc(valWrapped ? object.value() : object, othWrapped ? other.value() : other, customizer, isWhere, stackA, stackB);
}
if (!isSameTag) {
return false;
}
// Assume cyclic values are equal.
// For more information on detecting circular references see https://es5.github.io/#JO.
stackA || (stackA = []);
stackB || (stackB = []);
var length = stackA.length;
while (length--) {
if (stackA[length] == object) {
return stackB[length] == other;
}
}
// Add `object` and `other` to the stack of traversed objects.
stackA.push(object);
stackB.push(other);
var result = (objIsArr ? equalArrays : equalObjects)(object, other, equalFunc, customizer, isWhere, stackA, stackB);
stackA.pop();
stackB.pop();
return result;
}
/**
* A specialized version of `baseIsEqualDeep` for arrays with support for
* partial deep comparisons.
*
* @private
* @param {Array} array The array to compare.
* @param {Array} other The other array to compare.
* @param {Function} equalFunc The function to determine equivalents of values.
* @param {Function} [customizer] The function to customize comparing arrays.
* @param {boolean} [isWhere] Specify performing partial comparisons.
* @param {Array} [stackA] Tracks traversed `value` objects.
* @param {Array} [stackB] Tracks traversed `other` objects.
* @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.
*/
function equalArrays(array, other, equalFunc, customizer, isWhere, stackA, stackB) {
var index = -1,
arrLength = array.length,
othLength = other.length,
result = true;
if (arrLength != othLength && !(isWhere && othLength > arrLength)) {
return false;
}
// Deep compare the contents, ignoring non-numeric properties.
while (result && ++index < arrLength) {
var arrValue = array[index],
othValue = other[index];
result = undefined;
if (customizer) {
result = isWhere
? customizer(othValue, arrValue, index)
: customizer(arrValue, othValue, index);
}
if (typeof result == 'undefined') {
// Recursively compare arrays (susceptible to call stack limits).
if (isWhere) {
var othIndex = othLength;
while (othIndex--) {
othValue = other[othIndex];
result = (arrValue && arrValue === othValue) || equalFunc(arrValue, othValue, customizer, isWhere, stackA, stackB);
if (result) {
break;
}
}
} else {
result = (arrValue && arrValue === othValue) || equalFunc(arrValue, othValue, customizer, isWhere, stackA, stackB);
}
}
}
return !!result;
}
/**
* A specialized version of `baseIsEqualDeep` for comparing objects of
* the same `toStringTag`.
*
* **Note:** This function only supports comparing values with tags of
* `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
*
* @private
* @param {Object} value The object to compare.
* @param {Object} other The other object to compare.
* @param {string} tag The `toStringTag` of the objects to compare.
* @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
*/
function equalByTag(object, other, tag) {
switch (tag) {
case boolTag:
case dateTag:
// Coerce dates and booleans to numbers, dates to milliseconds and booleans
// to `1` or `0` treating invalid dates coerced to `NaN` as not equal.
return +object == +other;
case errorTag:
return object.name == other.name && object.message == other.message;
case numberTag:
// Treat `NaN` vs. `NaN` as equal.
return (object != +object)
? other != +other
// But, treat `-0` vs. `+0` as not equal.
: (object == 0 ? ((1 / object) == (1 / other)) : object == +other);
case regexpTag:
case stringTag:
// Coerce regexes to strings and treat strings primitives and string
// objects as equal. See https://es5.github.io/#x15.10.6.4 for more details.
return object == baseToString(other);
}
return false;
}
/**
* A specialized version of `baseIsEqualDeep` for objects with support for
* partial deep comparisons.
*
* @private
* @param {Object} object The object to compare.
* @param {Object} other The other object to compare.
* @param {Function} equalFunc The function to determine equivalents of values.
* @param {Function} [customizer] The function to customize comparing values.
* @param {boolean} [isWhere] Specify performing partial comparisons.
* @param {Array} [stackA] Tracks traversed `value` objects.
* @param {Array} [stackB] Tracks traversed `other` objects.
* @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
*/
function equalObjects(object, other, equalFunc, customizer, isWhere, stackA, stackB) {
var objProps = keys(object),
objLength = objProps.length,
othProps = keys(other),
othLength = othProps.length;
if (objLength != othLength && !isWhere) {
return false;
}
var hasCtor,
index = -1;
while (++index < objLength) {
var key = objProps[index],
result = hasOwnProperty.call(other, key);
if (result) {
var objValue = object[key],
othValue = other[key];
result = undefined;
if (customizer) {
result = isWhere
? customizer(othValue, objValue, key)
: customizer(objValue, othValue, key);
}
if (typeof result == 'undefined') {
// Recursively compare objects (susceptible to call stack limits).
result = (objValue && objValue === othValue) || equalFunc(objValue, othValue, customizer, isWhere, stackA, stackB);
}
}
if (!result) {
return false;
}
hasCtor || (hasCtor = key == 'constructor');
}
if (!hasCtor) {
var objCtor = object.constructor,
othCtor = other.constructor;
// Non `Object` object instances with different constructors are not equal.
if (objCtor != othCtor && ('constructor' in object && 'constructor' in other) &&
!(typeof objCtor == 'function' && objCtor instanceof objCtor && typeof othCtor == 'function' && othCtor instanceof othCtor)) {
return false;
}
}
return true;
}
module.exports = baseIsEqual;

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{
"name": "lodash._baseisequal",
"version": "3.0.0",
"description": "The modern build of lodashs internal `baseIsEqual` as a module.",
"homepage": "https://lodash.com/",
"icon": "https://lodash.com/icon.svg",
"license": "MIT",
"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/)",
"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.isarray": "^3.0.0",
"lodash.istypedarray": "^3.0.0",
"lodash.keys": "^3.0.0"
}
}