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26 lines
995 B
26 lines
995 B
2 years ago
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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 defineBuiltInAccessor = require('../internals/define-built-in-accessor');
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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 = 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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defineBuiltInAccessor(RegExpPrototype, 'sticky', {
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configurable: true,
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get: function sticky() {
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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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