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