get-property-descriptor.js

"use strict";

module.exports = function getPropertyDescriptor(object, property) {
    var proto = object;
    var descriptor;
    var isOwn = Boolean(object && Object.getOwnPropertyDescriptor(object, property));

    while (proto && !(descriptor = Object.getOwnPropertyDescriptor(proto, property))) {
        proto = Object.getPrototypeOf(proto);
    }

    if (descriptor) {
        descriptor.isOwn = isOwn;
    }

    return descriptor;
};