var baseIsMatch = require('../internal/baseIsMatch'), bindCallback = require('../internal/bindCallback'), getMatchData = require('../internal/getMatchData'); /** * 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;