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21 lines
831 B
21 lines
831 B
var DESCRIPTORS = require('../internals/descriptors'); |
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var UNSUPPORTED_Y = require('../internals/regexp-sticky-helpers').UNSUPPORTED_Y; |
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var defineProperty = require('../internals/object-define-property').f; |
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var getInternalState = require('../internals/internal-state').get; |
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var RegExpPrototype = RegExp.prototype; |
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// `RegExp.prototype.sticky` getter |
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if (DESCRIPTORS && UNSUPPORTED_Y) { |
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defineProperty(RegExp.prototype, 'sticky', { |
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configurable: true, |
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get: function () { |
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if (this === RegExpPrototype) return undefined; |
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// We can't use InternalStateModule.getterFor because |
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// we don't add metadata for regexps created by a literal. |
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if (this instanceof RegExp) { |
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return !!getInternalState(this).sticky; |
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} |
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throw TypeError('Incompatible receiver, RegExp required'); |
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} |
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}); |
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}
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