overleaf/services/chat/test/acceptance/js/helpers/ChatApp.js

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import { createServer } from '../../../../app/js/server.js'
import { promisify } from 'util'
export { db } from '../../../../app/js/mongodb.js'
let serverPromise = null
export async function ensureRunning() {
if (!serverPromise) {
const { app } = await createServer()
const startServer = promisify(app.listen.bind(app))
serverPromise = startServer(3010, '127.0.0.1')
}
return serverPromise
}