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4 years ago
"use strict";
var isArray = Array.isArray, getPrototypeOf = Object.getPrototypeOf;
module.exports = function (obj) {
var proto;
if (!obj || !isArray(obj)) return false;
proto = getPrototypeOf(obj);
if (!isArray(proto)) return false;
return !isArray(getPrototypeOf(proto));
};