electron
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Build cross platform desktop apps with JavaScript, HTML, and CSS
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TypeScript
// Type definitions for Electron 37.2.0
// Project: http://electronjs.org/
// Definitions by: The Electron Team <https://github.com/electron/electron>
// Definitions: https://github.com/electron/typescript-definitions
/// <reference types="node" />
type DOMEvent = Event;
type GlobalResponse = Response;
type GlobalRequest = Request;
declare namespace Electron {
const NodeEventEmitter: typeof import('events').EventEmitter;
type Accelerator = string;
type Event<Params extends object = {}> = {
preventDefault: () => void;
readonly defaultPrevented: boolean;
} & Params;
interface App extends NodeJS.EventEmitter {
// Docs: https://electronjs.org/docs/api/app
/**
* Emitted when Chrome's accessibility support changes. This event fires when
* assistive technologies, such as screen readers, are enabled or disabled. See
* https://www.chromium.org/developers/design-documents/accessibility for more
* details.
*
* @platform darwin,win32
*/
on(event: 'accessibility-support-changed', listener: (event: Event,
/**
* `true` when Chrome's accessibility support is enabled, `false` otherwise.
*/
accessibilitySupportEnabled: boolean) => void): this;
/**
* @platform darwin,win32
*/
off(event: 'accessibility-support-changed', listener: (event: Event,
/**
* `true` when Chrome's accessibility support is enabled, `false` otherwise.
*/
accessibilitySupportEnabled: boolean) => void): this;
/**
* @platform darwin,win32
*/
once(event: 'accessibility-support-changed', listener: (event: Event,
/**
* `true` when Chrome's accessibility support is enabled, `false` otherwise.
*/
accessibilitySupportEnabled: boolean) => void): this;
/**
* @platform darwin,win32
*/
addListener(event: 'accessibility-support-changed', listener: (event: Event,
/**
* `true` when Chrome's accessibility support is enabled, `false` otherwise.
*/
accessibilitySupportEnabled: boolean) => void): this;
/**
* @platform darwin,win32
*/
removeListener(event: 'accessibility-support-changed', listener: (event: Event,
/**
* `true` when Chrome's accessibility support is enabled, `false` otherwise.
*/
accessibilitySupportEnabled: boolean) => void): this;
/**
* Emitted when the application is activated. Various actions can trigger this
* event, such as launching the application for the first time, attempting to
* re-launch the application when it's already running, or clicking on the
* application's dock or taskbar icon.
*
* @platform darwin
*/
on(event: 'activate', listener: (event: Event,
hasVisibleWindows: boolean) => void): this;
/**
* @platform darwin
*/
off(event: 'activate', listener: (event: Event,
hasVisibleWindows: boolean) => void): this;
/**
* @platform darwin
*/
once(event: 'activate', listener: (event: Event,
hasVisibleWindows: boolean) => void): this;
/**
* @platform darwin
*/
addListener(event: 'activate', listener: (event: Event,
hasVisibleWindows: boolean) => void): this;
/**
* @platform darwin
*/
removeListener(event: 'activate', listener: (event: Event,
hasVisibleWindows: boolean) => void): this;
/**
* Emitted during Handoff after an activity from this device was successfully
* resumed on another one.
*
* @platform darwin
*/
on(event: 'activity-was-continued', listener: (event: Event,
/**
* A string identifying the activity. Maps to `NSUserActivity.activityType`.
*/
type: string,
/**
* Contains app-specific state stored by the activity.
*/
userInfo: unknown) => void): this;
/**
* @platform darwin
*/
off(event: 'activity-was-continued', listener: (event: Event,
/**
* A string identifying the activity. Maps to `NSUserActivity.activityType`.
*/
type: string,
/**
* Contains app-specific state stored by the activity.
*/
userInfo: unknown) => void): this;
/**
* @platform darwin
*/
once(event: 'activity-was-continued', listener: (event: Event,
/**
* A string identifying the activity. Maps to `NSUserActivity.activityType`.
*/
type: string,
/**
* Contains app-specific state stored by the activity.
*/
userInfo: unknown) => void): this;
/**
* @platform darwin
*/
addListener(event: 'activity-was-continued', listener: (event: Event,
/**
* A string identifying the activity. Maps to `NSUserActivity.activityType`.
*/
type: string,
/**
* Contains app-specific state stored by the activity.
*/
userInfo: unknown) => void): this;
/**
* @platform darwin
*/
removeListener(event: 'activity-was-continued', listener: (event: Event,
/**
* A string identifying the activity. Maps to `NSUserActivity.activityType`.
*/
type: string,
/**
* Contains app-specific state stored by the activity.
*/
userInfo: unknown) => void): this;
/**
* Emitted before the application starts closing its windows. Calling
* `event.preventDefault()` will prevent the default behavior, which is terminating
* the application.
*
* > [!NOTE] If application quit was initiated by `autoUpdater.quitAndInstall()`,
* then `before-quit` is emitted _after_ emitting `close` event on all windows and
* closing them.
*
* > [!NOTE] On Windows, this event will not be emitted if the app is closed due to
* a shutdown/restart of the system or a user logout.
*/
on(event: 'before-quit', listener: (event: Event) => void): this;
off(event: 'before-quit', listener: (event: Event) => void): this;
once(event: 'before-quit', listener: (event: Event) => void): this;
addListener(event: 'before-quit', listener: (event: Event) => void): this;
removeListener(event: 'before-quit', listener: (event: Event) => void): this;
/**
* Emitted when a browserWindow gets blurred.
*/
on(event: 'browser-window-blur', listener: (event: Event,
window: BrowserWindow) => void): this;
off(event: 'browser-window-blur', listener: (event: Event,
window: BrowserWindow) => void): this;
once(event: 'browser-window-blur', listener: (event: Event,
window: BrowserWindow) => void): this;
addListener(event: 'browser-window-blur', listener: (event: Event,
window: BrowserWindow) => void): this;
removeListener(event: 'browser-window-blur', listener: (event: Event,
window: BrowserWindow) => void): this;
/**
* Emitted when a new browserWindow is created.
*/
on(event: 'browser-window-created', listener: (event: Event,
window: BrowserWindow) => void): this;
off(event: 'browser-window-created', listener: (event: Event,
window: BrowserWindow) => void): this;
once(event: 'browser-window-created', listener: (event: Event,
window: BrowserWindow) => void): this;
addListener(event: 'browser-window-created', listener: (event: Event,
window: BrowserWindow) => void): this;
removeListener(event: 'browser-window-created', listener: (event: Event,
window: BrowserWindow) => void): this;
/**
* Emitted when a browserWindow gets focused.
*/
on(event: 'browser-window-focus', listener: (event: Event,
window: BrowserWindow) => void): this;
off(event: 'browser-window-focus', listener: (event: Event,
window: BrowserWindow) => void): this;
once(event: 'browser-window-focus', listener: (event: Event,
window: BrowserWindow) => void): this;
addListener(event: 'browser-window-focus', listener: (event: Event,
window: BrowserWindow) => void): this;
removeListener(event: 'browser-window-focus', listener: (event: Event,
window: BrowserWindow) => void): this;
/**
* Emitted when failed to verify the `certificate` for `url`, to trust the
* certificate you should prevent the default behavior with
* `event.preventDefault()` and call `callback(true)`.
*/
on(event: 'certificate-error', listener: (event: Event,
webContents: WebContents,
url: string,
/**
* The error code
*/
error: string,
certificate: Certificate,
callback: (isTrusted: boolean) => void,
isMainFrame: boolean) => void): this;
off(event: 'certificate-error', listener: (event: Event,
webContents: WebContents,
url: string,
/**
* The error code
*/
error: string,
certificate: Certificate,
callback: (isTrusted: boolean) => void,
isMainFrame: boolean) => void): this;
once(event: 'certificate-error', listener: (event: Event,
webContents: WebContents,
url: string,
/**
* The error code
*/
error: string,
certificate: Certificate,
callback: (isTrusted: boolean) => void,
isMainFrame: boolean) => void): this;
addListener(event: 'certificate-error', listener: (event: Event,
webContents: WebContents,
url: string,
/**
* The error code
*/
error: string,
certificate: Certificate,
callback: (isTrusted: boolean) => void,
isMainFrame: boolean) => void): this;
removeListener(event: 'certificate-error', listener: (event: Event,
webContents: WebContents,
url: string,
/**
* The error code
*/
error: string,
certificate: Certificate,
callback: (isTrusted: boolean) => void,
isMainFrame: boolean) => void): this;
/**
* Emitted when the child process unexpectedly disappears. This is normally because
* it was crashed or killed. It does not include renderer processes.
*/
on(event: 'child-process-gone', listener: (event: Event,
details: Details) => void): this;
off(event: 'child-process-gone', listener: (event: Event,
details: Details) => void): this;
once(event: 'child-process-gone', listener: (event: Event,
details: Details) => void): this;
addListener(event: 'child-process-gone', listener: (event: Event,
details: Details) => void): this;
removeListener(event: 'child-process-gone', listener: (event: Event,
details: Details) => void): this;
/**
* Emitted during Handoff when an activity from a different device wants to be
* resumed. You should call `event.preventDefault()` if you want to handle this
* event.
*
* A user activity can be continued only in an app that has the same developer Team
* ID as the activity's source app and that supports the activity's type. Supported
* activity types are specified in the app's `Info.plist` under the
* `NSUserActivityTypes` key.
*
* @platform darwin
*/
on(event: 'continue-activity', listener: (event: Event,
/**
* A string identifying the activity. Maps to `NSUserActivity.activityType`.
*/
type: string,
/**
* Contains app-specific state stored by the activity on another device.
*/
userInfo: unknown,
details: ContinueActivityDetails) => void): this;
/**
* @platform darwin
*/
off(event: 'continue-activity', listener: (event: Event,
/**
* A string identifying the activity. Maps to `NSUserActivity.activityType`.
*/
type: string,
/**
* Contains app-specific state stored by the activity on another device.
*/
userInfo: unknown,
details: ContinueActivityDetails) => void): this;
/**
* @platform darwin
*/
once(event: 'continue-activity', listener: (event: Event,
/**
* A string identifying the activity. Maps to `NSUserActivity.activityType`.
*/
type: string,
/**
* Contains app-specific state stored by the activity on another device.
*/
userInfo: unknown,
details: ContinueActivityDetails) => void): this;
/**
* @platform darwin
*/
addListener(event: 'continue-activity', listener: (event: Event,
/**
* A string identifying the activity. Maps to `NSUserActivity.activityType`.
*/
type: string,
/**
* Contains app-specific state stored by the activity on another device.
*/
userInfo: unknown,
details: ContinueActivityDetails) => void): this;
/**
* @platform darwin
*/
removeListener(event: 'continue-activity', listener: (event: Event,
/**
* A string identifying the activity. Maps to `NSUserActivity.activityType`.
*/
type: string,
/**
* Contains app-specific state stored by the activity on another device.
*/
userInfo: unknown,
details: ContinueActivityDetails) => void): this;
/**
* Emitted during Handoff when an activity from a different device fails to be
* resumed.
*
* @platform darwin
*/
on(event: 'continue-activity-error', listener: (event: Event,
/**
* A string identifying the activity. Maps to `NSUserActivity.activityType`.
*/
type: string,
/**
* A string with the error's localized description.
*/
error: string) => void): this;
/**
* @platform darwin
*/
off(event: 'continue-activity-error', listener: (event: Event,
/**
* A string identifying the activity. Maps to `NSUserActivity.activityType`.
*/
type: string,
/**
* A string with the error's localized description.
*/
error: string) => void): this;
/**
* @platform darwin
*/
once(event: 'continue-activity-error', listener: (event: Event,
/**
* A string identifying the activity. Maps to `NSUserActivity.activityType`.
*/
type: string,
/**
* A string with the error's localized description.
*/
error: string) => void): this;
/**
* @platform darwin
*/
addListener(event: 'continue-activity-error', listener: (event: Event,
/**
* A string identifying the activity. Maps to `NSUserActivity.activityType`.
*/
type: string,
/**
* A string with the error's localized description.
*/
error: string) => void): this;
/**
* @platform darwin
*/
removeListener(event: 'continue-activity-error', listener: (event: Event,
/**
* A string identifying the activity. Maps to `NSUserActivity.activityType`.
*/
type: string,
/**
* A string with the error's localized description.
*/
error: string) => void): this;
/**
* Emitted when the application becomes active. This differs from the `activate`
* event in that `did-become-active` is emitted every time the app becomes active,
* not only when Dock icon is clicked or application is re-launched. It is also
* emitted when a user switches to the app via the macOS App Switcher.
*
* @platform darwin
*/
on(event: 'did-become-active', listener: (event: Event) => void): this;
/**
* @platform darwin
*/
off(event: 'did-become-active', listener: (event: Event) => void): this;
/**
* @platform darwin
*/
once(event: 'did-become-active', listener: (event: Event) => void): this;
/**
* @platform darwin
*/
addListener(event: 'did-become-active', listener: (event: Event) => void): this;
/**
* @platform darwin
*/
removeListener(event: 'did-become-active', listener: (event: Event) => void): this;
/**
* Emitted when the app is no longer active and doesn’t have focus. This can be
* triggered, for example, by clicking on another application or by using the macOS
* App Switcher to switch to another application.
*
* @platform darwin
*/
on(event: 'did-resign-active', listener: (event: Event) => void): this;
/**
* @platform darwin
*/
off(event: 'did-resign-active', listener: (event: Event) => void): this;
/**
* @platform darwin
*/
once(event: 'did-resign-active', listener: (event: Event) => void): this;
/**
* @platform darwin
*/
addListener(event: 'did-resign-active', listener: (event: Event) => void): this;
/**
* @platform darwin
*/
removeListener(event: 'did-resign-active', listener: (event: Event) => void): this;
/**
* Emitted whenever there is a GPU info update.
*/
on(event: 'gpu-info-update', listener: () => void): this;
off(event: 'gpu-info-update', listener: () => void): this;
once(event: 'gpu-info-update', listener: () => void): this;
addListener(event: 'gpu-info-update', listener: () => void): this;
removeListener(event: 'gpu-info-update', listener: () => void): this;
/**
* Emitted when `webContents` or Utility process wants to do basic auth.
*
* The default behavior is to cancel all authentications. To override this you
* should prevent the default behavior with `event.preventDefault()` and call
* `callback(username, password)` with the credentials.
*
* If `callback` is called without a username or password, the authentication
* request will be cancelled and the authentication error will be returned to the
* page.
*/
on(event: 'login', listener: (event: Event,
webContents: WebContents,
authenticationResponseDetails: AuthenticationResponseDetails,
authInfo: AuthInfo,
callback: (username?: string, password?: string) => void) => void): this;
off(event: 'login', listener: (event: Event,
webContents: WebContents,
authenticationResponseDetails: AuthenticationResponseDetails,
authInfo: AuthInfo,
callback: (username?: string, password?: string) => void) => void): this;
once(event: 'login', listener: (event: Event,
webContents: WebContents,
authenticationResponseDetails: AuthenticationResponseDetails,
authInfo: AuthInfo,
callback: (username?: string, password?: string) => void) => void): this;
addListener(event: 'login', listener: (event: Event,
webContents: WebContents,
authenticationResponseDetails: AuthenticationResponseDetails,
authInfo: AuthInfo,
callback: (username?: string, password?: string) => void) => void): this;
removeListener(event: 'login', listener: (event: Event,
webContents: WebContents,
authenticationResponseDetails: AuthenticationResponseDetails,
authInfo: AuthInfo,
callback: (username?: string, password?: string) => void) => void): this;
/**
* Emitted when the user clicks the native macOS new tab button. The new tab button
* is only visible if the current `BrowserWindow` has a `tabbingIdentifier`
*
* @platform darwin
*/
on(event: 'new-window-for-tab', listener: (event: Event) => void): this;
/**
* @platform darwin
*/
off(event: 'new-window-for-tab', listener: (event: Event) => void): this;
/**
* @platform darwin
*/
once(event: 'new-window-for-tab', listener: (event: Event) => void): this;
/**
* @platform darwin
*/
addListener(event: 'new-window-for-tab', listener: (event: Event) => void): this;
/**
* @platform darwin
*/
removeListener(event: 'new-window-for-tab', listener: (event: Event) => void): this;
/**
* Emitted when the user wants to open a file with the application. The `open-file`
* event is usually emitted when the application is already open and the OS wants
* to reuse the application to open the file. `open-file` is also emitted when a
* file is dropped onto the dock and the application is not yet running. Make sure
* to listen for the `open-file` event very early in your application startup to
* handle this case (even before the `ready` event is emitted).
*
* You should call `event.preventDefault()` if you want to handle this event.
*
* On Windows, you have to parse `process.argv` (in the main process) to get the
* filepath.
*
* @platform darwin
*/
on(event: 'open-file', listener: (event: Event,
path: string) => void): this;
/**
* @platform darwin
*/
off(event: 'open-file', listener: (event: Event,
path: string) => void): this;
/**
* @platform darwin
*/
once(event: 'open-file', listener: (event: Event,
path: string) => void): this;
/**
* @platform darwin
*/
addListener(event: 'open-file', listener: (event: Event,
path: string) => void): this;
/**
* @platform darwin
*/
removeListener(event: 'open-file', listener: (event: Event,
path: string) => void): this;
/**
* Emitted when the user wants to open a URL with the application. Your
* application's `Info.plist` file must define the URL scheme within the
* `CFBundleURLTypes` key, and set `NSPrincipalClass` to `AtomApplication`.
*
* As with the `open-file` event, be sure to register a listener for the `open-url`
* event early in your application startup to detect if the application is being
* opened to handle a URL. If you register the listener in response to a `ready`
* event, you'll miss URLs that trigger the launch of your application.
*
* @platform darwin
*/
on(event: 'open-url', listener: (event: Event,
url: string) => void): this;
/**
* @platform darwin
*/
off(event: 'open-url', listener: (event: Event,
url: string) => void): this;
/**
* @platform darwin
*/
once(event: 'open-url', listener: (event: Event,
url: string) => void): this;
/**
* @platform darwin
*/
addListener(event: 'open-url', listener: (event: Event,
url: string) => void): this;
/**
* @platform darwin
*/
removeListener(event: 'open-url', listener: (event: Event,
url: string) => void): this;
/**
* Emitted when the application is quitting.
*
* > [!NOTE] On Windows, this event will not be emitted if the app is closed due to
* a shutdown/restart of the system or a user logout.
*/
on(event: 'quit', listener: (event: Event,
exitCode: number) => void): this;
off(event: 'quit', listener: (event: Event,
exitCode: number) => void): this;
once(event: 'quit', listener: (event: Event,
exitCode: number) => void): this;
addListener(event: 'quit', listener: (event: Event,
exitCode: number) => void): this;
removeListener(event: 'quit', listener: (event: Event,
exitCode: number) => void): this;
/**
* Emitted once, when Electron has finished initializing. On macOS, `launchInfo`
* holds the `userInfo` of the `NSUserNotification` or information from
* `UNNotificationResponse` that was used to open the application, if it was
* launched from Notification Center. You can also call `app.isReady()` to check if
* this event has already fired and `app.whenReady()` to get a Promise that is
* fulfilled when Electron is initialized.
*
* > [!NOTE] The `ready` event is only fired after the main process has finished
* running the first tick of the event loop. If an Electron API needs to be called
* before the `ready` event, ensure that it is called synchronously in the
* top-level context of the main process.
*/
on(event: 'ready', listener: (event: Event,
/**
* @platform darwin
*/
launchInfo: (Record<string, any>) | (NotificationResponse)) => void): this;
off(event: 'ready', listener: (event: Event,
/**
* @platform darwin
*/
launchInfo: (Record<string, any>) | (NotificationResponse)) => void): this;
once(event: 'ready', listener: (event: Event,
/**
* @platform darwin
*/
launchInfo: (Record<string, any>) | (NotificationResponse)) => void): this;
addListener(event: 'ready', listener: (event: Event,
/**
* @platform darwin
*/
launchInfo: (Record<string, any>) | (NotificationResponse)) => void): this;
removeListener(event: 'ready', listener: (event: Event,
/**
* @platform darwin
*/
launchInfo: (Record<string, any>) | (NotificationResponse)) => void): this;
/**
* Emitted when the renderer process unexpectedly disappears. This is normally
* because it was crashed or killed.
*/
on(event: 'render-process-gone', listener: (event: Event,
webContents: WebContents,
details: RenderProcessGoneDetails) => void): this;
off(event: 'render-process-gone', listener: (event: Event,
webContents: WebContents,
details: RenderProcessGoneDetails) => void): this;
once(event: 'render-process-gone', listener: (event: Event,
webContents: WebContents,
details: RenderProcessGoneDetails) => void): this;
addListener(event: 'render-process-gone', listener: (event: Event,
webContents: WebContents,
details: RenderProcessGoneDetails) => void): this;
removeListener(event: 'render-process-gone', listener: (event: Event,
webContents: WebContents,
details: RenderProcessGoneDetails) => void): this;
/**
* This event will be emitted inside the primary instance of your application when
* a second instance has been executed and calls `app.requestSingleInstanceLock()`.
*
* `argv` is an Array of the second instance's command line arguments, and
* `workingDirectory` is its current working directory. Usually applications
* respond to this by making their primary window focused and non-minimized.
*
* > [!NOTE] `argv` will not be exactly the same list of arguments as those passed
* to the second instance. The order might change and additional arguments might be
* appended. If you need to maintain the exact same arguments, it's advised to use
* `additionalData` instead.
*
* > [!NOTE] If the second instance is started by a different user than the first,
* the `argv` array will not include the arguments.
*
* This event is guaranteed to be emitted after the `ready` event of `app` gets
* emitted.
*
* > [!NOTE] Extra command line arguments might be added by Chromium, such as
* `--original-process-start-time`.
*/
on(event: 'second-instance', listener: (event: Event,
/**
* An array of the second instance's command line arguments
*/
argv: string[],
/**
* The second instance's working directory
*/
workingDirectory: string,
/**
* A JSON object of additional data passed from the second instance
*/
additionalData: unknown) => void): this;
off(event: 'second-instance', listener: (event: Event,
/**
* An array of the second instance's command line arguments
*/
argv: string[],
/**
* The second instance's working directory
*/
workingDirectory: string,
/**
* A JSON object of additional data passed from the second instance
*/
additionalData: unknown) => void): this;
once(event: 'second-instance', listener: (event: Event,
/**
* An array of the second instance's command line arguments
*/
argv: string[],
/**
* The second instance's working directory
*/
workingDirectory: string,
/**
* A JSON object of additional data passed from the second instance
*/
additionalData: unknown) => void): this;
addListener(event: 'second-instance', listener: (event: Event,
/**
* An array of the second instance's command line arguments
*/
argv: string[],
/**
* The second instance's working directory
*/
workingDirectory: string,
/**
* A JSON object of additional data passed from the second instance
*/
additionalData: unknown) => void): this;
removeListener(event: 'second-instance', listener: (event: Event,
/**
* An array of the second instance's command line arguments
*/
argv: string[],
/**
* The second instance's working directory
*/
workingDirectory: string,
/**
* A JSON object of additional data passed from the second instance
*/
additionalData: unknown) => void): this;
/**
* Emitted when a client certificate is requested.
*
* The `url` corresponds to the navigation entry requesting the client certificate
* and `callback` can be called with an entry filtered from the list. Using
* `event.preventDefault()` prevents the application from using the first
* certificate from the store.
*/
on(event: 'select-client-certificate', listener: (event: Event,
webContents: WebContents,
url: string,
certificateList: Certificate[],
callback: (certificate?: Certificate) => void) => void): this;
off(event: 'select-client-certificate', listener: (event: Event,
webContents: WebContents,
url: string,
certificateList: Certificate[],
callback: (certificate?: Certificate) => void) => void): this;
once(event: 'select-client-certificate', listener: (event: Event,
webContents: WebContents,
url: string,
certificateList: Certificate[],
callback: (certificate?: Certificate) => void) => void): this;
addListener(event: 'select-client-certificate', listener: (event: Event,
webContents: WebContents,
url: string,
certificateList: Certificate[],
callback: (certificate?: Certificate) => void) => void): this;
removeListener(event: 'select-client-certificate', listener: (event: Event,
webContents: WebContents,
url: string,
certificateList: Certificate[],
callback: (certificate?: Certificate) => void) => void): this;
/**
* Emitted when Electron has created a new `session`.
*/
on(event: 'session-created', listener: (session: Session) => void): this;
off(event: 'session-created', listener: (session: Session) => void): this;
once(event: 'session-created', listener: (session: Session) => void): this;
addListener(event: 'session-created', listener: (session: Session) => void): this;
removeListener(event: 'session-created', listener: (session: Session) => void): this;
/**
* Emitted when Handoff is about to be resumed on another device. If you need to
* update the state to be transferred, you should call `event.preventDefault()`
* immediately, construct a new `userInfo` dictionary and call
* `app.updateCurrentActivity()` in a timely manner. Otherwise, the operation will
* fail and `continue-activity-error` will be called.
*
* @platform darwin
*/
on(event: 'update-activity-state', listener: (event: Event,
/**
* A string identifying the activity. Maps to `NSUserActivity.activityType`.
*/
type: string,
/**
* Contains app-specific state stored by the activity.
*/
userInfo: unknown) => void): this;
/**
* @platform darwin
*/
off(event: 'update-activity-state', listener: (event: Event,
/**
* A string identifying the activity. Maps to `NSUserActivity.activityType`.
*/
type: string,
/**
* Contains app-specific state stored by the activity.
*/
userInfo: unknown) => void): this;
/**
* @platform darwin
*/
once(event: 'update-activity-state', listener: (event: Event,
/**
* A string identifying the activity. Maps to `NSUserActivity.activityType`.
*/
type: string,
/**
* Contains app-specific state stored by the activity.
*/
userInfo: unknown) => void): this;
/**
* @platform darwin
*/
addListener(event: 'update-activity-state', listener: (event: Event,
/**
* A string identifying the activity. Maps to `NSUserActivity.activityType`.
*/
type: string,
/**
* Contains app-specific state stored by the activity.
*/
userInfo: unknown) => void): this;
/**
* @platform darwin
*/
removeListener(event: 'update-activity-state', listener: (event: Event,
/**
* A string identifying the activity. Maps to `NSUserActivity.activityType`.
*/
type: string,
/**
* Contains app-specific state stored by the activity.
*/
userInfo: unknown) => void): this;
/**
* Emitted when a new webContents is created.
*/
on(event: 'web-contents-created', listener: (event: Event,
webContents: WebContents) => void): this;
off(event: 'web-contents-created', listener: (event: Event,
webContents: WebContents) => void): this;
once(event: 'web-contents-created', listener: (event: Event,
webContents: WebContents) => void): this;
addListener(event: 'web-contents-created', listener: (event: Event,
webContents: WebContents) => void): this;
removeListener(event: 'web-contents-created', listener: (event: Event,