36bcfa7913PR-URL: https://github.com/nodejs/node/pull/63857 Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Jordan Harband <ljharb@gmail.com>
25 lines
No EOL
1.1 KiB
JavaScript
25 lines
No EOL
1.1 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.MAX_NESTING_DEPTH = void 0;
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exports.default = resolveMaxNestingDepth;
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/**
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* The default maximum selector nesting depth allowed when parsing or
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* serializing a selector. Going beyond this would otherwise recurse deeply
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* enough to overflow the call stack (CVE-2026-9358 / CWE-674). Real-world
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* selectors never get anywhere near this, so it acts purely as a safety net
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* that turns an uncatchable stack overflow into a catchable error.
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*/
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exports.MAX_NESTING_DEPTH = 256;
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/**
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* Coerce a user-supplied nesting-depth limit into a safe value. Anything that
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* is not a non-negative safe integer (NaN, Infinity, negative numbers, or a
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* non-number) would disable or break the guard, so it falls back to the
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* default.
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*
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* @param {unknown} value the limit provided through the `maxNestingDepth` option
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* @returns {number} a safe, non-negative integer limit
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*/
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function resolveMaxNestingDepth(value) {
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return Number.isSafeInteger(value) && value >= 0 ? value : exports.MAX_NESTING_DEPTH;
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}
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//# sourceMappingURL=maxNestingDepth.js.map
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