asarfuckery/electronasar/stable/browser/api/auto-updater/auto-updater-win.js
2019-01-17 19:22:05 +01:00

74 lines
2.1 KiB
JavaScript

'use strict'
const { app } = require('electron')
const { EventEmitter } = require('events')
const squirrelUpdate = require('@electron/internal/browser/api/auto-updater/squirrel-update-win')
class AutoUpdater extends EventEmitter {
quitAndInstall () {
if (!this.updateAvailable) {
return this.emitError('No update available, can\'t quit and install')
}
squirrelUpdate.processStart()
app.quit()
}
getFeedURL () {
return this.updateURL
}
setFeedURL (options) {
let updateURL
if (typeof options === 'object') {
if (typeof options.url === 'string') {
updateURL = options.url
} else {
throw new Error('Expected options object to contain a \'url\' string property in setFeedUrl call')
}
} else if (typeof options === 'string') {
updateURL = options
} else {
throw new Error('Expected an options object with a \'url\' property to be provided')
}
this.updateURL = updateURL
}
checkForUpdates () {
if (!this.updateURL) {
return this.emitError('Update URL is not set')
}
if (!squirrelUpdate.supported()) {
return this.emitError('Can not find Squirrel')
}
this.emit('checking-for-update')
squirrelUpdate.checkForUpdate(this.updateURL, (error, update) => {
if (error != null) {
return this.emitError(error)
}
if (update == null) {
return this.emit('update-not-available')
}
this.updateAvailable = true
this.emit('update-available')
squirrelUpdate.update(this.updateURL, (error) => {
if (error != null) {
return this.emitError(error)
}
const { releaseNotes, version } = update
// Date is not available on Windows, so fake it.
const date = new Date()
this.emit('update-downloaded', {}, releaseNotes, version, date, this.updateURL, () => {
this.quitAndInstall()
})
})
})
}
// Private: Emit both error object and message, this is to keep compatibility
// with Old APIs.
emitError (message) {
this.emit('error', new Error(message), message)
}
}
module.exports = new AutoUpdater()