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