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39 lines
1.2 KiB
39 lines
1.2 KiB
4 years ago
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'use strict';
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var CreateDataProperty = require('es-abstract/2019/CreateDataProperty');
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var IsCallable = require('es-abstract/2019/IsCallable');
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var RequireObjectCoercible = require('es-abstract/2019/RequireObjectCoercible');
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var ToObject = require('es-abstract/2019/ToObject');
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var callBound = require('es-abstract/helpers/callBound');
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var $gOPD = Object.getOwnPropertyDescriptor;
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var $getOwnNames = Object.getOwnPropertyNames;
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var $getSymbols = Object.getOwnPropertySymbols;
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var $concat = callBound('Array.prototype.concat');
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var $reduce = callBound('Array.prototype.reduce');
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var getAll = $getSymbols ? function (obj) {
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return $concat($getOwnNames(obj), $getSymbols(obj));
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} : $getOwnNames;
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var isES5 = IsCallable($gOPD) && IsCallable($getOwnNames);
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module.exports = function getOwnPropertyDescriptors(value) {
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RequireObjectCoercible(value);
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if (!isES5) {
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throw new TypeError('getOwnPropertyDescriptors requires Object.getOwnPropertyDescriptor');
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}
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var O = ToObject(value);
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return $reduce(
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getAll(O),
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function (acc, key) {
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var descriptor = $gOPD(O, key);
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if (typeof descriptor !== 'undefined') {
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CreateDataProperty(acc, key, descriptor);
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}
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return acc;
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},
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{}
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);
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};
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