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22 lines
848 B
JavaScript
22 lines
848 B
JavaScript
var DESCRIPTORS = require('../internals/descriptors');
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var IE8_DOM_DEFINE = require('../internals/ie8-dom-define');
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var anObject = require('../internals/an-object');
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var toPropertyKey = require('../internals/to-property-key');
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// eslint-disable-next-line es/no-object-defineproperty -- safe
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var $defineProperty = Object.defineProperty;
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// `Object.defineProperty` method
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// https://tc39.es/ecma262/#sec-object.defineproperty
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exports.f = DESCRIPTORS ? $defineProperty : function defineProperty(O, P, Attributes) {
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anObject(O);
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P = toPropertyKey(P);
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anObject(Attributes);
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if (IE8_DOM_DEFINE) try {
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return $defineProperty(O, P, Attributes);
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} catch (error) { /* empty */ }
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if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported');
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if ('value' in Attributes) O[P] = Attributes.value;
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return O;
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};
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