@aikidosec/firewall/helpers/isMusl.js

Zen by Aikido is an embedded Application Firewall that autonomously protects Node.js apps against common and critical attacks, provides rate limiting, detects malicious traffic (including bots), and more.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.isMusl = isMusl;
/**
 * Detects if the current process is running on a musl-based system (e.g. Alpine Linux).
 * Based on the approach from the detect-libc package.
 */
function isMusl() {
    var _a;
    if (process.platform !== "linux") {
        return false;
    }
    try {
        const report = (_a = process.report) === null || _a === void 0 ? void 0 : _a.getReport();
        if (!report) {
            return false;
        }
        const header = report.header;
        if (header && typeof header.glibcVersionRuntime === "string") {
            return false;
        }
        const sharedObjects = report.sharedObjects;
        if (Array.isArray(sharedObjects)) {
            return sharedObjects.some((so) => so.includes("libc.musl-") || so.includes("ld-musl-"));
        }
        return false;
    }
    catch {
        return false;
    }
}