dify/web/scripts/copy-and-start.mjs
MelodicGin 82be305680
Bugfix: Windows compatibility issue with 'cp' command not found when running pnpm start. (#25670) (#25672)
Co-authored-by: crazywoola <100913391+crazywoola@users.noreply.github.com>
2025-10-26 11:53:56 +08:00

116 lines
3.1 KiB
JavaScript

#!/usr/bin/env node
/**
* This script copies static files to the target directory and starts the server.
* It is intended to be used as a replacement for `next start`.
*/
import { cp, mkdir, stat } from 'node:fs/promises'
import { spawn } from 'node:child_process'
import path from 'node:path'
// Configuration for directories to copy
const DIRS_TO_COPY = [
{
src: path.join('.next', 'static'),
dest: path.join('.next', 'standalone', '.next', 'static'),
},
{
src: 'public',
dest: path.join('.next', 'standalone', 'public'),
},
]
// Path to the server script
const SERVER_SCRIPT_PATH = path.join('.next', 'standalone', 'server.js')
// Function to check if a path exists
const pathExists = async (path) => {
try {
console.debug(`Checking if path exists: ${path}`)
await stat(path)
console.debug(`Path exists: ${path}`)
return true
}
catch (err) {
if (err.code === 'ENOENT') {
console.warn(`Path does not exist: ${path}`)
return false
}
throw err
}
}
// Function to recursively copy directories
const copyDir = async (src, dest) => {
console.debug(`Copying directory from ${src} to ${dest}`)
await cp(src, dest, { recursive: true })
console.info(`Successfully copied ${src} to ${dest}`)
}
// Process each directory copy operation
const copyAllDirs = async () => {
console.debug('Starting directory copy operations')
for (const { src, dest } of DIRS_TO_COPY) {
try {
// Instead of pre-creating destination directory, we ensure parent directory exists
const destParent = path.dirname(dest)
console.debug(`Ensuring destination parent directory exists: ${destParent}`)
await mkdir(destParent, { recursive: true })
if (await pathExists(src)) {
await copyDir(src, dest)
}
else {
console.error(`Error: ${src} directory does not exist. This is a required build artifact.`)
process.exit(1)
}
}
catch (err) {
console.error(`Error processing ${src}:`, err.message)
process.exit(1)
}
}
console.debug('Finished directory copy operations')
}
// Run copy operations and start server
const main = async () => {
console.debug('Starting copy-and-start script')
await copyAllDirs()
// Start server
const port = process.env.npm_config_port || process.env.PORT || '3000'
const host = process.env.npm_config_host || process.env.HOSTNAME || '0.0.0.0'
console.info(`Starting server on ${host}:${port}`)
console.debug(`Server script path: ${SERVER_SCRIPT_PATH}`)
console.debug(`Environment variables - PORT: ${port}, HOSTNAME: ${host}`)
const server = spawn(
process.execPath,
[SERVER_SCRIPT_PATH],
{
env: {
...process.env,
PORT: port,
HOSTNAME: host,
},
stdio: 'inherit',
},
)
server.on('error', (err) => {
console.error('Failed to start server:', err)
process.exit(1)
})
server.on('exit', (code) => {
console.debug(`Server exited with code: ${code}`)
process.exit(code || 0)
})
}
main().catch((err) => {
console.error('Unexpected error:', err)
process.exit(1)
})