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20 lines
682 B
20 lines
682 B
var call = require('../internals/function-call'); |
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var anObject = require('../internals/an-object'); |
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var isCallable = require('../internals/is-callable'); |
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var classof = require('../internals/classof-raw'); |
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var regexpExec = require('../internals/regexp-exec'); |
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var $TypeError = TypeError; |
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// `RegExpExec` abstract operation |
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// https://tc39.es/ecma262/#sec-regexpexec |
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module.exports = function (R, S) { |
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var exec = R.exec; |
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if (isCallable(exec)) { |
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var result = call(exec, R, S); |
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if (result !== null) anObject(result); |
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return result; |
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} |
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if (classof(R) === 'RegExp') return call(regexpExec, R, S); |
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throw $TypeError('RegExp#exec called on incompatible receiver'); |
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};
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