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'use strict';
/*eslint complexity: 0*/
module.exports = function equal(a, b) {
if (a === b) return true;
var arrA = Array.isArray(a)
, arrB = Array.isArray(b)
, i;
if (arrA && arrB) {
if (a.length != b.length) return false;
for (i = 0; i < a.length; i++)
if (!equal(a[i], b[i])) return false;
return true;
}
if (arrA != arrB) return false;
if (a && b && typeof a === 'object' && typeof b === 'object') {
var keys = Object.keys(a);
if (keys.length !== Object.keys(b).length) return false;
var dateA = a instanceof Date
, dateB = b instanceof Date;
if (dateA && dateB) return a.getTime() == b.getTime();
if (dateA != dateB) return false;
var regexpA = a instanceof RegExp
, regexpB = b instanceof RegExp;
if (regexpA && regexpB) return a.toString() == b.toString();
if (regexpA != regexpB) return false;
for (i = 0; i < keys.length; i++)
if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false;
for (i = 0; i < keys.length; i++)
if(!equal(a[keys[i]], b[keys[i]])) return false;
return true;
}
return false;
};
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