22 lines
732 B
JavaScript
Executable file
22 lines
732 B
JavaScript
Executable file
var global = require('../internals/global');
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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 = global.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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