Michael Wolf
b0ee53f7d5
The master process will continue to start at port 3000. In practice, this ought to make conflicts between master-superviced processes and ones run by hand less of an issue.
50 lines
1.1 KiB
TypeScript
50 lines
1.1 KiB
TypeScript
import { parseArgs } from "node:util";
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const { values } = parseArgs({
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options: {
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listen: {
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type: "string",
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short: "l",
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},
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},
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strict: true,
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allowPositionals: false,
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});
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function parseListenAddress(listen: string | undefined): {
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host: string;
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port: number;
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} {
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const defaultHost = "127.0.0.1";
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const defaultPort = 3500;
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if (!listen) {
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return { host: defaultHost, port: defaultPort };
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}
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const lastColon = listen.lastIndexOf(":");
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if (lastColon === -1) {
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// Just a port number
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const port = parseInt(listen, 10);
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if (isNaN(port)) {
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throw new Error(`Invalid listen address: ${listen}`);
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}
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return { host: defaultHost, port };
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}
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const host = listen.slice(0, lastColon);
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const port = parseInt(listen.slice(lastColon + 1), 10);
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if (isNaN(port)) {
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throw new Error(`Invalid port in listen address: ${listen}`);
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}
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return { host, port };
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}
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const listenAddress = parseListenAddress(values.listen);
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export const cli = {
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listen: listenAddress,
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};
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