9 lines
292 B
JavaScript
9 lines
292 B
JavaScript
'use strict';
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var $TypeError = TypeError;
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module.exports = function (options) {
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var mode = options && options.mode;
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if (mode === undefined || mode === 'shortest' || mode === 'longest' || mode === 'strict') return mode || 'shortest';
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throw new $TypeError('Incorrect `mode` option');
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};
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