20 lines
1,001 B
JavaScript
20 lines
1,001 B
JavaScript
var DESCRIPTORS = require('../internals/descriptors');
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var propertyIsEnumerableModule = require('../internals/object-property-is-enumerable');
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var createPropertyDescriptor = require('../internals/create-property-descriptor');
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var toIndexedObject = require('../internals/to-indexed-object');
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var toPrimitive = require('../internals/to-primitive');
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var has = require('../internals/has');
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var IE8_DOM_DEFINE = require('../internals/ie8-dom-define');
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var nativeGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
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// `Object.getOwnPropertyDescriptor` method
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// https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptor
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exports.f = DESCRIPTORS ? nativeGetOwnPropertyDescriptor : function getOwnPropertyDescriptor(O, P) {
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O = toIndexedObject(O);
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P = toPrimitive(P, true);
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if (IE8_DOM_DEFINE) try {
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return nativeGetOwnPropertyDescriptor(O, P);
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} catch (error) { /* empty */ }
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if (has(O, P)) return createPropertyDescriptor(!propertyIsEnumerableModule.f.call(O, P), O[P]);
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};
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