25 lines
545 B
JavaScript
Executable file
25 lines
545 B
JavaScript
Executable file
'use strict';
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var GetIntrinsic = require('get-intrinsic');
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var $match = GetIntrinsic('%Symbol.match%', true);
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var hasRegExpMatcher = require('is-regex');
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var ToBoolean = require('./ToBoolean');
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// https://ecma-international.org/ecma-262/6.0/#sec-isregexp
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module.exports = function IsRegExp(argument) {
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if (!argument || typeof argument !== 'object') {
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return false;
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}
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if ($match) {
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var isRegExp = argument[$match];
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if (typeof isRegExp !== 'undefined') {
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return ToBoolean(isRegExp);
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}
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}
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return hasRegExpMatcher(argument);
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};
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