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