next/dist/esm/build/turborepo-access-trace/tcp.js

The React Framework

import net from 'net';
/**
 * Proxy the TCP connect method to determine if any network access is made during the build
 *
 * @param addresses An array to track the addresses that are accessed.
 * @returns A function that restores the original connect method.
 */ export function tcpProxy(addresses) {
    // net.Socket docs https://nodejs.org/api/net.html#class-netsocket
    const originalConnect = net.Socket.prototype.connect;
    // Override the connect method
    net.Socket.prototype.connect = function(...args) {
        // First, check if the first argument is an object and not null
        if (typeof args[0] === 'object' && args[0] !== null) {
            const options = args[0];
            // check if the options has what we need
            if ('port' in options && options.port !== undefined && 'host' in options && options.host !== undefined) {
                addresses.push({
                    addr: options.host,
                    port: options.port.toString()
                });
            }
        }
        return originalConnect.apply(this, args);
    };
    return ()=>{
        // Restore the original connect method
        net.Socket.prototype.connect = originalConnect;
    };
}

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