'use strict';

var ES = require('es-abstract/es7');

var defineProperty = Object.defineProperty; var getDescriptor = Object.getOwnPropertyDescriptor; var getOwnNames = Object.getOwnPropertyNames; var getSymbols = Object.getOwnPropertySymbols; var concat = Function.call.bind(Array.prototype.concat); var reduce = Function.call.bind(Array.prototype.reduce); var getAll = getSymbols ? function (obj) {

return concat(getOwnNames(obj), getSymbols(obj));

} : getOwnNames;

var isES5 = ES.IsCallable(getDescriptor) && ES.IsCallable(getOwnNames);

var safePut = function put(obj, prop, val) { // eslint-disable-line max-params

if (defineProperty && prop in obj) {
        defineProperty(obj, prop, {
                configurable: true,
                enumerable: true,
                value: val,
                writable: true
        });
} else {
        obj[prop] = val;
}

};

module.exports = function getOwnPropertyDescriptors(value) {

ES.RequireObjectCoercible(value);
if (!isES5) {
        throw new TypeError('getOwnPropertyDescriptors requires Object.getOwnPropertyDescriptor');
}

var O = ES.ToObject(value);
return reduce(getAll(O), function (acc, key) {
        var descriptor = getDescriptor(O, key);
        if (typeof descriptor !== 'undefined') {
                safePut(acc, key, descriptor);
        }
        return acc;
}, {});

};