67 lines
1.8 KiB
JavaScript
67 lines
1.8 KiB
JavaScript
'use strict'
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const app = require('electron').app
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const EventEmitter = require('events').EventEmitter
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const squirrelUpdate = require('./squirrel-update-win')
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const util = require('util')
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function AutoUpdater () {
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EventEmitter.call(this)
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}
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util.inherits(AutoUpdater, EventEmitter)
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AutoUpdater.prototype.quitAndInstall = function () {
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if (!this.updateAvailable) {
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return this.emitError('No update available, can\'t quit and install')
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}
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squirrelUpdate.processStart()
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return app.quit()
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}
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AutoUpdater.prototype.setFeedURL = function (updateURL) {
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this.updateURL = updateURL
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}
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AutoUpdater.prototype.checkForUpdates = function () {
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if (!this.updateURL) {
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return this.emitError('Update URL is not set')
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}
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if (!squirrelUpdate.supported()) {
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return this.emitError('Can not find Squirrel')
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}
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this.emit('checking-for-update')
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squirrelUpdate.download(this.updateURL, (error, update) => {
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if (error != null) {
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return this.emitError(error)
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}
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if (update == null) {
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this.updateAvailable = false
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return this.emit('update-not-available')
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}
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this.updateAvailable = true
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this.emit('update-available')
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squirrelUpdate.update(this.updateURL, (error) => {
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var date, releaseNotes, version
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if (error != null) {
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return this.emitError(error)
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}
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releaseNotes = update.releaseNotes
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version = update.version
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// Following information is not available on Windows, so fake them.
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date = new Date()
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this.emit('update-downloaded', {}, releaseNotes, version, date, this.updateURL, () => {
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this.quitAndInstall()
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})
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})
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})
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}
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// Private: Emit both error object and message, this is to keep compatibility
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// with Old APIs.
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AutoUpdater.prototype.emitError = function (message) {
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return this.emit('error', new Error(message), message)
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}
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module.exports = new AutoUpdater()
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