lnreader-plugins/tswatch.ts

import { TscWatchClient } from "tsc-watch/client";

const watch = new TscWatchClient();

let port = Number(process.argv[2]);
if (!port) {
    console.log(`Port not specified! Setting default 3000!
Run \`npm start -- <port>\` to change it
`);
    port = 3000;
}

watch.start("--onSuccess", `node ./.js/index.js ${port}`);

try {
} catch (e) {
    watch.kill(); // Fatal error, kill the compiler instance.
}