@aikidosec/firewall/agent/hooks/instrumentation/getPackageVersionFromPath.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.getPackageVersionFromPath = getPackageVersionFromPath;
const fs_1 = require("fs");
const cache = new Map();
/**
 * Get the installed version of a package
 */
function getPackageVersionFromPath(basePath) {
    // This function is called for every file of an imported package, so we cache the result
    if (cache.has(basePath)) {
        return cache.get(basePath);
    }
    try {
        const version = JSON.parse((0, fs_1.readFileSync)(`${basePath}/package.json`, "utf8")).version;
        cache.set(basePath, version);
        return version;
    }
    catch {
        // Return undefined if the package is not found
        cache.set(basePath, undefined);
    }
}