47 lines
1.5 KiB
JavaScript
47 lines
1.5 KiB
JavaScript
/**
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* start.js - safe server launcher
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* Kills any process already on PORT before starting index.js.
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* Run with: node web/server/start.js
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*/
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const { execSync, spawnSync, spawn } = require("child_process");
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const rawPort = process.env.PORT || "5000";
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const PORT = parseInt(rawPort, 10);
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if (!Number.isInteger(PORT) || PORT < 1 || PORT > 65535) {
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console.error(`[start] Invalid PORT value: ${JSON.stringify(rawPort)}`);
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process.exit(1);
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}
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function killPort(port) {
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try {
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if (process.platform === "win32") {
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const out = execSync(`netstat -ano | findstr :${port}`, { encoding: "utf-8" }).trim();
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const pids = new Set();
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for (const line of out.split("\n")) {
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if (!line.includes("LISTENING")) continue;
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const pid = line.trim().split(/\s+/).pop();
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if (pid && pid !== "0") pids.add(pid);
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}
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for (const pid of pids) {
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console.log(`[start] Killing stale process PID ${pid} on port ${port}`);
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spawnSync("taskkill", ["/PID", pid, "/F"], { stdio: "ignore" });
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}
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} else {
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spawnSync("fuser", [`${port}/tcp`, "-k"], { stdio: "ignore" });
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}
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} catch {
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// No process on that port -- fine
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}
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}
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killPort(PORT);
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const proc = spawn(process.execPath, [require("path").join(__dirname, "index.js")], {
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stdio: "inherit",
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env: process.env,
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});
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proc.on("exit", (code) => process.exit(code ?? 0));
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process.on("SIGINT", () => proc.kill("SIGINT"));
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process.on("SIGTERM", () => proc.kill("SIGTERM"));
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