SkirdaElectronLauncher/app/assets/js/preloader.js

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const {ipcRenderer} = require('electron')
const os = require('os')
const path = require('path')
const rimraf = require('rimraf')
const ConfigManager = require('./configmanager')
const DistroManager = require('./distromanager')
console.log('%c[Preloader]', 'color: #a02d2a; font-weight: bold', 'Loading..')
// Load ConfigManager
ConfigManager.load()
function onDistroLoad(data){
if(data != null){
// Resolve the selected server if its value has yet to be set.
if(ConfigManager.getSelectedServer() == null || data.getServer(ConfigManager.getSelectedServer()) == null){
console.log('%c[Preloader]', 'color: #a02d2a; font-weight: bold', 'Determining default selected server..')
ConfigManager.setSelectedServer(data.getMainServer().getID())
ConfigManager.save()
}
}
ipcRenderer.send('distributionIndexDone', data != null)
}
// Ensure Distribution is downloaded and cached.
DistroManager.pullRemote().then((data) => {
console.log('%c[Preloader]', 'color: #a02d2a; font-weight: bold', 'Loaded distribution index.')
onDistroLoad(data)
}).catch((err) => {
console.log('%c[Preloader]', 'color: #a02d2a; font-weight: bold', 'Failed to load distribution index.')
console.error(err)
console.log('%c[Preloader]', 'color: #a02d2a; font-weight: bold', 'Attempting to load an older version of the distribution index.')
// Try getting a local copy, better than nothing.
DistroManager.pullLocal().then((data) => {
console.log('%c[Preloader]', 'color: #a02d2a; font-weight: bold', 'Successfully loaded an older version of the distribution index.')
onDistroLoad(data)
}).catch((err) => {
console.log('%c[Preloader]', 'color: #a02d2a; font-weight: bold', 'Failed to load an older version of the distribution index.')
console.log('%c[Preloader]', 'color: #a02d2a; font-weight: bold', 'Application cannot run.')
console.error(err)
onDistroLoad(null)
})
})
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// Clean up temp dir incase previous launches ended unexpectedly.
rimraf(path.join(os.tmpdir(), ConfigManager.getTempNativeFolder()), (err) => {
if(err){
console.warn('%c[Preloader]', 'color: #a02d2a; font-weight: bold', 'Error while cleaning natives directory', err)
} else {
console.log('%c[Preloader]', 'color: #a02d2a; font-weight: bold', 'Cleaned natives directory.')
}
})