ollama/app/src/index.ts

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import { spawn, ChildProcess } from 'child_process'
import { app, autoUpdater, dialog, Tray, Menu, BrowserWindow, MenuItemConstructorOptions, nativeTheme } from 'electron'
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import Store from 'electron-store'
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import winston from 'winston'
import 'winston-daily-rotate-file'
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import * as path from 'path'
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import { analytics, id } from './telemetry'
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import { installed } from './install'
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require('@electron/remote/main').initialize()
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if (require('electron-squirrel-startup')) {
app.quit()
}
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const store = new Store()
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let welcomeWindow: BrowserWindow | null = null
declare const MAIN_WINDOW_WEBPACK_ENTRY: string
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const logger = winston.createLogger({
transports: [
new winston.transports.Console(),
new winston.transports.File({
filename: path.join(app.getPath('home'), '.ollama', 'logs', 'server.log'),
maxsize: 1024 * 1024 * 20,
maxFiles: 5,
}),
],
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format: winston.format.printf(info => info.message),
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})
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app.on('ready', () => {
const gotTheLock = app.requestSingleInstanceLock()
if (!gotTheLock) {
app.exit(0)
return
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}
app.on('second-instance', () => {
if (app.hasSingleInstanceLock()) {
app.releaseSingleInstanceLock()
}
if (proc) {
proc.off('exit', restart)
proc.kill()
}
app.exit(0)
})
app.focus({ steal: true })
init()
})
function firstRunWindow() {
// Create the browser window.
welcomeWindow = new BrowserWindow({
width: 400,
height: 500,
frame: false,
fullscreenable: false,
resizable: false,
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movable: true,
show: false,
webPreferences: {
nodeIntegration: true,
contextIsolation: false,
},
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alwaysOnTop: true,
})
require('@electron/remote/main').enable(welcomeWindow.webContents)
welcomeWindow.loadURL(MAIN_WINDOW_WEBPACK_ENTRY)
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welcomeWindow.on('ready-to-show', () => welcomeWindow.show())
}
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let tray: Tray | null = null
let updateAvailable = false
const assetPath = app.isPackaged ? process.resourcesPath : path.join(__dirname, '..', '..', 'assets')
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function trayIconPath() {
return nativeTheme.shouldUseDarkColors
? updateAvailable
? path.join(assetPath, 'iconDarkUpdateTemplate.png')
: path.join(assetPath, 'iconDarkTemplate.png')
: updateAvailable
? path.join(assetPath, 'iconUpdateTemplate.png')
: path.join(assetPath, 'iconTemplate.png')
}
function updateTrayIcon() {
if (tray) {
tray.setImage(trayIconPath())
}
}
function updateTray() {
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const updateItems: MenuItemConstructorOptions[] = [
{ label: 'An update is available', enabled: false },
{
label: 'Restart to update',
click: () => autoUpdater.quitAndInstall(),
},
{ type: 'separator' },
]
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const menu = Menu.buildFromTemplate([
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...(updateAvailable ? updateItems : []),
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{ role: 'quit', label: 'Quit Ollama', accelerator: 'Command+Q' },
])
if (!tray) {
tray = new Tray(trayIconPath())
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}
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tray.setToolTip(updateAvailable ? 'An update is available' : 'Ollama')
tray.setContextMenu(menu)
tray.setImage(trayIconPath())
nativeTheme.off('updated', updateTrayIcon)
nativeTheme.on('updated', updateTrayIcon)
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}
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let proc: ChildProcess = null
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function server() {
const binary = app.isPackaged
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? path.join(process.resourcesPath, 'ollama')
: path.resolve(process.cwd(), '..', 'ollama')
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proc = spawn(binary, ['serve'])
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proc.stdout.on('data', data => {
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logger.info(data.toString().trim())
})
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proc.stderr.on('data', data => {
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logger.error(data.toString().trim())
})
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proc.on('exit', restart)
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}
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function restart() {
setTimeout(server, 1000)
}
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app.on('before-quit', () => {
if (proc) {
proc.off('exit', restart)
proc.kill()
}
})
function init() {
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if (app.isPackaged) {
heartbeat()
autoUpdater.checkForUpdates()
setInterval(() => {
heartbeat()
autoUpdater.checkForUpdates()
}, 60 * 60 * 1000)
}
updateTray()
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if (process.platform === 'darwin') {
if (app.isPackaged) {
if (!app.isInApplicationsFolder()) {
const chosen = dialog.showMessageBoxSync({
type: 'question',
buttons: ['Move to Applications', 'Do Not Move'],
message: 'Ollama works best when run from the Applications directory.',
defaultId: 0,
cancelId: 1,
})
if (chosen === 0) {
try {
app.moveToApplicationsFolder({
conflictHandler: conflictType => {
if (conflictType === 'existsAndRunning') {
dialog.showMessageBoxSync({
type: 'info',
message: 'Cannot move to Applications directory',
detail:
'Another version of Ollama is currently running from your Applications directory. Close it first and try again.',
})
}
return true
},
})
return
} catch (e) {
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logger.error(`[Move to Applications] Failed to move to applications folder - ${e.message}}`)
}
}
}
}
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}
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server()
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if (store.get('first-time-run') && installed()) {
if (process.platform === 'darwin') {
app.dock.hide()
}
app.setLoginItemSettings({ openAtLogin: app.getLoginItemSettings().openAtLogin })
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return
}
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// This is the first run or the CLI is no longer installed
app.setLoginItemSettings({ openAtLogin: true })
firstRunWindow()
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}
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// Quit when all windows are closed, except on macOS. There, it's common
// for applications and their menu bar to stay active until the user quits
// explicitly with Cmd + Q.
app.on('window-all-closed', () => {
if (process.platform !== 'darwin') {
app.quit()
}
})
// In this file you can include the rest of your app's specific main process
// code. You can also put them in separate files and import them here.
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autoUpdater.setFeedURL({
url: `https://ollama.ai/api/update?os=${process.platform}&arch=${process.arch}&version=${app.getVersion()}`,
})
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async function heartbeat() {
analytics.track({
anonymousId: id(),
event: 'heartbeat',
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properties: {
version: app.getVersion(),
},
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})
}
autoUpdater.on('error', e => {
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console.error(`update check failed - ${e.message}`)
})
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autoUpdater.on('update-downloaded', () => {
updateAvailable = true
updateTray()
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})