76 lines
2.2 KiB
TypeScript
76 lines
2.2 KiB
TypeScript
import { app } from 'electron';
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import { EventEmitter } from 'events';
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import * as squirrelUpdate from './squirrel-update-win';
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class AutoUpdater extends EventEmitter {
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updateAvailable: boolean = false;
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updateURL: string | null = null;
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quitAndInstall () {
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if (!this.updateAvailable) {
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return this.emitError(new Error('No update available, can\'t quit and install'));
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}
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squirrelUpdate.processStart();
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app.quit();
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}
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getFeedURL () {
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return this.updateURL;
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}
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setFeedURL (options: { url: string } | string) {
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let updateURL: string;
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if (typeof options === 'object') {
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if (typeof options.url === 'string') {
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updateURL = options.url;
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} else {
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throw new Error('Expected options object to contain a \'url\' string property in setFeedUrl call');
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}
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} else if (typeof options === 'string') {
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updateURL = options;
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} else {
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throw new Error('Expected an options object with a \'url\' property to be provided');
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}
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this.updateURL = updateURL;
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}
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checkForUpdates () {
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const url = this.updateURL;
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if (!url) {
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return this.emitError(new Error('Update URL is not set'));
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}
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if (!squirrelUpdate.supported()) {
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return this.emitError(new Error('Can not find Squirrel'));
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}
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this.emit('checking-for-update');
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squirrelUpdate.checkForUpdate(url, (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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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(url, (error) => {
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if (error != null) {
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return this.emitError(error);
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}
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const { releaseNotes, version } = update;
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// Date is not available on Windows, so fake it.
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const 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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emitError (error: Error) {
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this.emit('error', error, error.message);
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}
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}
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export default new AutoUpdater();
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