| 1 | /* global window */
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| 2 | var defaultDepth = 3;
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| 3 | var matchDepthParameter =
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| 4 | typeof window !== 'undefined' &&
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| 5 | typeof window.location !== 'undefined' &&
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| 6 | window.location.search.match(/[?&]depth=(\d+)(?:$|&)/);
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| 7 |
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| 8 | if (matchDepthParameter) {
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| 9 | defaultDepth = parseInt(matchDepthParameter[1], 10);
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| 10 | } else if (typeof process !== 'undefined' && process.env.UNEXPECTED_DEPTH) {
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| 11 | defaultDepth = parseInt(process.env.UNEXPECTED_DEPTH, 10);
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| 12 | }
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| 13 | module.exports = defaultDepth;
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