dfg_3dviewer_js_library/scripts/serve-dist.js
2026-06-25 09:11:23 +02:00

53 lines
1.5 KiB
JavaScript

import http from 'http'
import fs from 'fs'
import path from 'path'
import { fileURLToPath } from 'url'
const __dirname = path.dirname(fileURLToPath(import.meta.url))
const distDir = process.env.DIST_DIR || 'dist'
const root = path.resolve(__dirname, '..', distDir)
const host = process.env.HOST || '127.0.0.1'
const port = process.env.PORT || 8080
const mime = {
'.js': 'application/javascript',
'.css': 'text/css',
'.html': 'text/html',
'.wasm': 'application/wasm',
'.json': 'application/json',
'.svg': 'image/svg+xml'
}
const server = http.createServer((req, res) => {
try {
let reqUrl = decodeURI(new URL(req.url, `http://localhost`).pathname)
if (reqUrl === '/') reqUrl = '/index.html'
const safePath = path.normalize(path.join(root, reqUrl))
if (!safePath.startsWith(root)) {
res.statusCode = 403
return res.end('Forbidden')
}
fs.stat(safePath, (err, stats) => {
if (err || !stats.isFile()) {
res.statusCode = 404
return res.end('Not found')
}
const ext = path.extname(safePath).toLowerCase()
res.setHeader('Content-Type', mime[ext] || 'application/octet-stream')
res.setHeader('Content-Length', stats.size)
const stream = fs.createReadStream(safePath)
stream.pipe(res)
stream.on('error', () => {
res.statusCode = 500
res.end()
})
})
} catch (e) {
res.statusCode = 500
res.end('Server error')
}
})
server.listen(port, host, () => console.log(`Serving ${root} at http://${host}:${port}/`))