"use strict";
Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.default = _defaults;
function _defaults(obj, defaults) {
    var keys = Object.getOwnPropertyNames(defaults);
    for(var i = 0; i < keys.length; i++){
        var key = keys[i];
        var value = Object.getOwnPropertyDescriptor(defaults, key);
        if (value && value.configurable && obj[key] === undefined) {
            Object.defineProperty(obj, key, value);
        }
    }
    return obj;
}