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28 lines
596 B
JavaScript
28 lines
596 B
JavaScript
6 years ago
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/*!
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* is-equal-shallow <https://github.com/jonschlinkert/is-equal-shallow>
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*
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* Copyright (c) 2015, Jon Schlinkert.
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* Licensed under the MIT License.
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*/
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'use strict';
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var isPrimitive = require('is-primitive');
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module.exports = function isEqual(a, b) {
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if (!a && !b) { return true; }
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if (!a && b || a && !b) { return false; }
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var numKeysA = 0, numKeysB = 0, key;
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for (key in b) {
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numKeysB++;
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if (!isPrimitive(b[key]) || !a.hasOwnProperty(key) || (a[key] !== b[key])) {
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return false;
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}
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}
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for (key in a) {
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numKeysA++;
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}
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return numKeysA === numKeysB;
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};
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