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26 lines
1.0 KiB
26 lines
1.0 KiB
var global = require('../internals/global'); |
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var DESCRIPTORS = require('../internals/descriptors'); |
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var MISSED_STICKY = require('../internals/regexp-sticky-helpers').MISSED_STICKY; |
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var classof = require('../internals/classof-raw'); |
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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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var TypeError = global.TypeError; |
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// `RegExp.prototype.sticky` getter |
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// https://tc39.es/ecma262/#sec-get-regexp.prototype.sticky |
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if (DESCRIPTORS && MISSED_STICKY) { |
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defineProperty(RegExpPrototype, '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 (classof(this) === '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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