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Have a default port and only switch to a random one if that's taken

pull/1/head
kolaente 8 months ago
parent
commit
e122ed329b
Signed by: konrad GPG Key ID: F40E70337AB24C9B
  1. 28
      main.js

28
main.js

@ -2,6 +2,7 @@ const {app, BrowserWindow, shell} = require('electron')
const path = require('path')
const express = require('express')
const eApp = express()
const portInUse = require('./portInUse.js')
const frontendPath = 'frontend/'
@ -24,15 +25,24 @@ function createWindow() {
// Hide the toolbar
mainWindow.setMenuBarVisibility(false)
// Start a local express server to serve static files
eApp.use(express.static(path.join(__dirname, frontendPath)))
// Handle urls set by the frontend
eApp.get('*', (request, response, next) => {
response.sendFile(`${__dirname}/${frontendPath}index.html`);
})
const server = eApp.listen(0, '127.0.0.1', () => {
console.log(`Server started on port ${server.address().port}`)
mainWindow.loadURL(`http://127.0.0.1:${server.address().port}`)
// We try to use the same port every time and only use a different one if that does not succeed.
let port = 45735
portInUse(port, used => {
if(used) {
console.log(`Port ${port} already used, switching to a random one`)
port = 0 // This lets express choose a random port
}
// Start a local express server to serve static files
eApp.use(express.static(path.join(__dirname, frontendPath)))
// Handle urls set by the frontend
eApp.get('*', (request, response, next) => {
response.sendFile(`${__dirname}/${frontendPath}index.html`);
})
const server = eApp.listen(port, '127.0.0.1', () => {
console.log(`Server started on port ${server.address().port}`)
mainWindow.loadURL(`http://127.0.0.1:${server.address().port}`)
})
})
}

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