Create index.js

index.js

@@ -0,0 +1,45 @@
+const node = {}
+const modules = 'child_process|fs|os|process|timers|util'
+for (let m of modules.split`|`) node[m] = require(`node:${m}`)
+
+const formatBytes = require('bytes'),
+  express = require('express'),
+  morgan = require('morgan'),
+  serveIndex = require('serve-index')
+
+const limitSize = '69mb',
+  tmpDir = node.os.tmpdir(),
+  { env } = node.process,
+  PORT = env.SERVER_PORT || env.PORT || 7860
+
+const logger = (...args) => console.log(
+  new Date().toLocaleTimeString(
+    'fr', { timeZone: 'Asia/Jakarta' }
+  ),
+  ...args
+)
+
+const execPromise = node.util.promisify(
+  node.child_process.exec
+)
+
+express()
+  .enable('trust proxy')
+  .set('json spaces', 2)
+  .use(express.json({ limit: limitSize }))
+  .use(express.urlencoded({ extended: true, limit: limitSize }))
+  .use(morgan('dev'))
+  .use(
+    tmpDir,
+    express.static(tmpDir),
+    serveIndex(tmpDir, { hidden: true, icons: true })
+  )
+  .all('/', (_, res) => res.json({ msg: 'goodbye world.' }))
+  .post('/eval', async (req, res) => {
+    let code = req.body.code, o
+    code = `(async function MengEval() { ${code} })()`
+    try { o = await eval(code) }
+    catch (e) { o = e }
+    finally { res.send(node.util.format(o)) }
+  })
+  .listen(PORT, logger)