Current File : /var/www/html/node_modules/fast-deep-equal/es6/react.js
'use strict';
// do not edit .js files directly - edit src/index.jst
var envHasBigInt64Array = typeof BigInt64Array !== 'undefined';
module.exports = function equal(a, b) {
if (a === b) return true;
if (a && b && typeof a == 'object' && typeof b == 'object') {
if (a.constructor !== b.constructor) return false;
var length, i, keys;
if (Array.isArray(a)) {
length = a.length;
if (length != b.length) return false;
for (i = length; i-- !== 0;)
if (!equal(a[i], b[i])) return false;
return true;
}
if ((a instanceof Map) && (b instanceof Map)) {
if (a.size !== b.size) return false;
for (i of a.entries())
if (!b.has(i[0])) return false;
for (i of a.entries())
if (!equal(i[1], b.get(i[0]))) return false;
return true;
}
if ((a instanceof Set) && (b instanceof Set)) {
if (a.size !== b.size) return false;
for (i of a.entries())
if (!b.has(i[0])) return false;
return true;
}
if (ArrayBuffer.isView(a) && ArrayBuffer.isView(b)) {
length = a.length;
if (length != b.length) return false;
for (i = length; i-- !== 0;)
if (a[i] !== b[i]) return false;
return true;
}
if (a.constructor === RegExp) return a.source === b.source && a.flags === b.flags;
if (a.valueOf !== Object.prototype.valueOf) return a.valueOf() === b.valueOf();
if (a.toString !== Object.prototype.toString) return a.toString() === b.toString();
keys = Object.keys(a);
length = keys.length;
if (length !== Object.keys(b).length) return false;
for (i = length; i-- !== 0;)
if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false;
for (i = length; i-- !== 0;) {
var key = keys[i];
if (key === '_owner' && a.$$typeof) {
// React-specific: avoid traversing React elements' _owner.
// _owner contains circular references
// and is not needed when comparing the actual elements (and not their owners)
continue;
}
if (!equal(a[key], b[key])) return false;
}
return true;
}
// true if both NaN, false otherwise
return a!==a && b!==b;
};
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