Files

41 lines
879 B
TypeScript

import { existsSync, readFileSync, writeFileSync } from 'fs'
import { spawn } from 'child_process'
import path from 'path'
const PID_FILE = path.join(__dirname, 'worker.pid')
function isRunning(pid: number): boolean {
try {
process.kill(pid, 0)
return true
} catch {
return false
}
}
if (existsSync(PID_FILE)) {
const pid = parseInt(readFileSync(PID_FILE, 'utf-8').trim(), 10)
if (!isNaN(pid) && isRunning(pid)) {
console.log(`[cron-check] worker already running (PID ${pid})`)
process.exit(0)
}
}
const child = spawn(
'node',
[
'-r', 'ts-node/register',
'-r', 'tsconfig-paths/register',
path.join(__dirname, 'index.ts'),
],
{ detached: true, stdio: 'ignore' }
)
child.unref()
if (child.pid) {
writeFileSync(PID_FILE, String(child.pid))
console.log(`[cron-check] worker started (PID ${child.pid})`)
}
process.exit(0)