SkirdaElectronLauncher/app/assets/js/preloader.js

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const {ipcRenderer} = require('electron')
const fs = require('fs-extra')
const os = require('os')
const path = require('path')
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const ConfigManager = require('./configmanager')
const DistroManager = require('./distromanager')
const LangLoader = require('./langloader')
const { LoggerUtil } = require('helios-core')
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const logger = LoggerUtil.getLogger('Preloader')
logger.info('Loading..')
// Load ConfigManager
ConfigManager.load()
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// Load Strings
LangLoader.loadLanguage('en_US')
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){
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logger.info('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) => {
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logger.info('Loaded distribution index.')
onDistroLoad(data)
}).catch((err) => {
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logger.info('Failed to load distribution index.')
logger.error(err)
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logger.info('Attempting to load an older version of the distribution index.')
// Try getting a local copy, better than nothing.
DistroManager.pullLocal().then((data) => {
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logger.info('Successfully loaded an older version of the distribution index.')
onDistroLoad(data)
}).catch((err) => {
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logger.info('Failed to load an older version of the distribution index.')
logger.info('Application cannot run.')
logger.error(err)
onDistroLoad(null)
})
})
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// Clean up temp dir incase previous launches ended unexpectedly.
fs.remove(path.join(os.tmpdir(), ConfigManager.getTempNativeFolder()), (err) => {
if(err){
logger.warn('Error while cleaning natives directory', err)
} else {
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logger.info('Cleaned natives directory.')
}
})