wehub-resource-sync
92 lines
2.0 KiB
JavaScript
92 lines
2.0 KiB
JavaScript
import os from 'node:os'
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import path from 'node:path'
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import { spawn } from 'node:child_process'
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import fs from 'node:fs'
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const DEFAULT_LEON_HOME_DIRNAME = '.leon'
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// Must match server/src/core/server-lifecycle.ts.
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const LEON_RESTART_EXIT_CODE = 77
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/**
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* This launcher must stay plain-Node compatible because it is invoked before
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* tsx/path aliases are available.
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*/
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function resolveLeonHomePath() {
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const configuredLeonHome = String(process.env['LEON_HOME'] || '').trim()
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return configuredLeonHome
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? path.resolve(configuredLeonHome)
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: path.join(os.homedir(), DEFAULT_LEON_HOME_DIRNAME)
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}
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const leonHomePath = resolveLeonHomePath()
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const managedNodePath = process.platform === 'win32'
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? path.join(leonHomePath, 'bin', 'node', 'node.exe')
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: path.join(leonHomePath, 'bin', 'node', 'bin', 'node')
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const args = process.argv.slice(2)
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if (!fs.existsSync(managedNodePath)) {
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console.error(
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`Managed Node.js binary not found at "${managedNodePath}". Run "pnpm run postinstall" first.`
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)
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process.exit(1)
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}
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if (args.length === 0) {
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console.error('No script was provided to the managed Node.js launcher.')
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process.exit(1)
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}
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let child = null
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let shouldRestart = true
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function startManagedProcess() {
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child = spawn(managedNodePath, args, {
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cwd: process.cwd(),
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stdio: 'inherit',
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windowsHide: true
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})
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child.on('error', (error) => {
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console.error(error)
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process.exit(1)
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})
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child.on('exit', (code, signal) => {
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child = null
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if (signal) {
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process.kill(process.pid, signal)
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return
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}
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if (shouldRestart && code === LEON_RESTART_EXIT_CODE) {
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startManagedProcess()
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return
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}
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process.exit(code ?? 0)
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})
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}
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function stopManagedProcess(signal) {
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shouldRestart = false
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if (child?.pid) {
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child.kill(signal)
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return
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}
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process.exit(0)
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}
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process.on('SIGINT', () => {
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stopManagedProcess('SIGINT')
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})
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process.on('SIGTERM', () => {
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stopManagedProcess('SIGTERM')
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})
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startManagedProcess()
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