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23 lines
591 B
JavaScript
23 lines
591 B
JavaScript
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var classof = require('./classof-raw');
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var regexpExec = require('./regexp-exec');
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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 (typeof exec === 'function') {
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var result = exec.call(R, S);
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if (typeof result !== 'object') {
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throw TypeError('RegExp exec method returned something other than an Object or null');
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}
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return result;
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}
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if (classof(R) !== 'RegExp') {
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throw TypeError('RegExp#exec called on incompatible receiver');
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}
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return regexpExec.call(R, S);
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};
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