mirror of
https://github.com/whoisclebs/lodash.git
synced 2026-02-01 23:57:49 +00:00
114 lines
3.6 KiB
JavaScript
114 lines
3.6 KiB
JavaScript
/**
|
|
* lodash 3.2.0 (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 1.8.3 <http://underscorejs.org/LICENSE>
|
|
* Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
|
|
* Available under MIT license <https://lodash.com/license>
|
|
*/
|
|
var baseIsMatch = require('lodash._baseismatch'),
|
|
bindCallback = require('lodash._bindcallback'),
|
|
pairs = require('lodash.pairs');
|
|
|
|
/**
|
|
* Gets the propery 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 = pairs(object),
|
|
length = result.length;
|
|
|
|
while (length--) {
|
|
result[length][2] = isStrictComparable(result[length][1]);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* 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);
|
|
}
|
|
|
|
/**
|
|
* 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);
|
|
* // => 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');
|
|
}
|
|
|
|
/**
|
|
* Performs a deep comparison between `object` and `source` to determine if
|
|
* `object` contains equivalent property values. If `customizer` is provided
|
|
* it's invoked to compare values. If `customizer` returns `undefined`
|
|
* comparisons are handled by the method instead. The `customizer` is bound
|
|
* to `thisArg` and invoked with three arguments: (value, other, index|key).
|
|
*
|
|
* **Note:** This method supports comparing properties of arrays, booleans,
|
|
* `Date` objects, numbers, `Object` objects, regexes, and strings. Functions
|
|
* and DOM nodes are **not** supported. Provide a customizer function to extend
|
|
* support for comparing other values.
|
|
*
|
|
* @static
|
|
* @memberOf _
|
|
* @category Lang
|
|
* @param {Object} object The object to inspect.
|
|
* @param {Object} source The object of property values to match.
|
|
* @param {Function} [customizer] The function to customize value comparisons.
|
|
* @param {*} [thisArg] The `this` binding of `customizer`.
|
|
* @returns {boolean} Returns `true` if `object` is a match, else `false`.
|
|
* @example
|
|
*
|
|
* var object = { 'user': 'fred', 'age': 40 };
|
|
*
|
|
* _.isMatch(object, { 'age': 40 });
|
|
* // => true
|
|
*
|
|
* _.isMatch(object, { 'age': 36 });
|
|
* // => false
|
|
*
|
|
* // using a customizer callback
|
|
* var object = { 'greeting': 'hello' };
|
|
* var source = { 'greeting': 'hi' };
|
|
*
|
|
* _.isMatch(object, source, function(value, other) {
|
|
* return _.every([value, other], RegExp.prototype.test, /^h(?:i|ello)$/) || undefined;
|
|
* });
|
|
* // => true
|
|
*/
|
|
function isMatch(object, source, customizer, thisArg) {
|
|
customizer = typeof customizer == 'function' ? bindCallback(customizer, thisArg, 3) : undefined;
|
|
return baseIsMatch(object, getMatchData(source), customizer);
|
|
}
|
|
|
|
module.exports = isMatch;
|