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dev:all stops both sides when the server's port is taken

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Jm2auWk6RP71CjaAb4FMoG
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Eric Wagoner
2026-09-28 13:43:15 -04:00
co-authored by Claude Opus 5.5
parent ab999c1c43
commit 43a5a2023b
1 changed files with 10 additions and 2 deletions
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scripts/dev-all.mjs
+10 -2
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@@ -1,5 +1,6 @@
// The game server and the site together, for playing locally: one terminal, // The game server and the site together, for playing locally: one terminal,
// each line marked with its side, and Ctrl-C (or either one stopping) stops both. // each line marked with its side, and Ctrl-C (or either one stopping or
// failing to get its port) stops both.
import { spawn } from 'node:child_process'; import { spawn } from 'node:child_process';
const sides = [ const sides = [
@@ -13,7 +14,14 @@ const children = sides.map(([name, args]) => {
stream.on('data', (chunk) => { stream.on('data', (chunk) => {
const lines = (rest + chunk).split('\n'); const lines = (rest + chunk).split('\n');
rest = lines.pop(); rest = lines.pop();
for (const line of lines) console.log(`[${name}] ${line}`); for (const line of lines) {
console.log(`[${name}] ${line}`);
// A watcher outlives the crash it watches, so a port already taken would leave one side running alone.
if (line.includes('EADDRINUSE')) {
console.log(`[${name}] its port is taken: is another copy already running?`);
stop(1);
}
}
}); });
} }
child.on('exit', (code) => stop(code ?? 0)); child.on('exit', (code) => stop(code ?? 0));