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/**
* An implementation of the `EventTarget` interface.
* @see https://dom.spec.whatwg.org/#eventtarget
*/
declare class EventTarget<TEventMap extends Record<string, Event$1> = Record<string, Event$1>, TMode extends "standard" | "strict" = "standard"> {
/**
* Initialize this instance.
*/
constructor();
/**
* Add an event listener.
* @param type The event type.
* @param callback The event listener.
* @param options Options.
*/
addEventListener<T extends string & keyof TEventMap>(type: T, callback?: EventTarget.EventListener<this, TEventMap[T]> | null, options?: EventTarget.AddOptions): void;
/**
* Add an event listener.
* @param type The event type.
* @param callback The event listener.
* @param options Options.
*/
addEventListener(type: string, callback?: EventTarget.FallbackEventListener<this, TMode>, options?: EventTarget.AddOptions): void;
/**
* Add an event listener.
* @param type The event type.
* @param callback The event listener.
* @param capture The capture flag.
* @deprecated Use `{capture: boolean}` object instead of a boolean value.
*/
addEventListener<T extends string & keyof TEventMap>(type: T, callback: EventTarget.EventListener<this, TEventMap[T]> | null | undefined, capture: boolean): void;
/**
* Add an event listener.
* @param type The event type.
* @param callback The event listener.
* @param capture The capture flag.
* @deprecated Use `{capture: boolean}` object instead of a boolean value.
*/
addEventListener(type: string, callback: EventTarget.FallbackEventListener<this, TMode>, capture: boolean): void;
/**
* Remove an added event listener.
* @param type The event type.
* @param callback The event listener.
* @param options Options.
*/
removeEventListener<T extends string & keyof TEventMap>(type: T, callback?: EventTarget.EventListener<this, TEventMap[T]> | null, options?: EventTarget.Options): void;
/**
* Remove an added event listener.
* @param type The event type.
* @param callback The event listener.
* @param options Options.
*/
removeEventListener(type: string, callback?: EventTarget.FallbackEventListener<this, TMode>, options?: EventTarget.Options): void;
/**
* Remove an added event listener.
* @param type The event type.
* @param callback The event listener.
* @param capture The capture flag.
* @deprecated Use `{capture: boolean}` object instead of a boolean value.
*/
removeEventListener<T extends string & keyof TEventMap>(type: T, callback: EventTarget.EventListener<this, TEventMap[T]> | null | undefined, capture: boolean): void;
/**
* Remove an added event listener.
* @param type The event type.
* @param callback The event listener.
* @param capture The capture flag.
* @deprecated Use `{capture: boolean}` object instead of a boolean value.
*/
removeEventListener(type: string, callback: EventTarget.FallbackEventListener<this, TMode>, capture: boolean): void;
/**
* Dispatch an event.
* @param event The `Event` object to dispatch.
*/
dispatchEvent<T extends string & keyof TEventMap>(event: EventTarget.EventData<TEventMap, TMode, T>): boolean;
/**
* Dispatch an event.
* @param event The `Event` object to dispatch.
*/
dispatchEvent(event: EventTarget.FallbackEvent<TMode>): boolean;
}
declare namespace EventTarget {
/**
* The event listener.
*/
type EventListener<TEventTarget extends EventTarget<any, any>, TEvent extends Event$1> = CallbackFunction<TEventTarget, TEvent> | CallbackObject<TEvent>;
/**
* The event listener function.
*/
interface CallbackFunction<TEventTarget extends EventTarget<any, any>, TEvent extends Event$1> {
(this: TEventTarget, event: TEvent): void;
}
/**
* The event listener object.
* @see https://dom.spec.whatwg.org/#callbackdef-eventlistener
*/
interface CallbackObject<TEvent extends Event$1> {
handleEvent(event: TEvent): void;
}
/**
* The common options for both `addEventListener` and `removeEventListener` methods.
* @see https://dom.spec.whatwg.org/#dictdef-eventlisteneroptions
*/
interface Options {
capture?: boolean;
}
/**
* The options for the `addEventListener` methods.
* @see https://dom.spec.whatwg.org/#dictdef-addeventlisteneroptions
*/
interface AddOptions extends Options {
passive?: boolean;
once?: boolean;
signal?: AbortSignal | null | undefined;
}
/**
* The abort signal.
* @see https://dom.spec.whatwg.org/#abortsignal
*/
interface AbortSignal extends EventTarget<{
abort: Event$1;
}> {
readonly aborted: boolean;
onabort: CallbackFunction<this, Event$1> | null;
}
/**
* The event data to dispatch in strict mode.
*/
type EventData<TEventMap extends Record<string, Event$1>, TMode extends "standard" | "strict", TEventType extends string> = TMode extends "strict" ? IsValidEventMap<TEventMap> extends true ? ExplicitType<TEventType> & Omit<TEventMap[TEventType], keyof Event$1> & Partial<Omit<Event$1, "type">> : never : never;
/**
* Define explicit `type` property if `T` is a string literal.
* Otherwise, never.
*/
type ExplicitType<T extends string> = string extends T ? never : {
readonly type: T;
};
/**
* The event listener type in standard mode.
* Otherwise, never.
*/
type FallbackEventListener<TEventTarget extends EventTarget<any, any>, TMode extends "standard" | "strict"> = TMode extends "standard" ? EventListener<TEventTarget, Event$1> | null | undefined : never;
/**
* The event type in standard mode.
* Otherwise, never.
*/
type FallbackEvent<TMode extends "standard" | "strict"> = TMode extends "standard" ? Event$1 : never;
/**
* Check if given event map is valid.
* It's valid if the keys of the event map are narrower than `string`.
*/
type IsValidEventMap<T> = string extends keyof T ? false : true;
}
/**
* An implementation of `Event` interface, that wraps a given event object.
* `EventTarget` shim can control the internal state of this `Event` objects.
* @see https://dom.spec.whatwg.org/#event
*/
declare class Event$1<TEventType extends string = string> {
/**
* @see https://dom.spec.whatwg.org/#dom-event-none
*/
static get NONE(): number;
/**
* @see https://dom.spec.whatwg.org/#dom-event-capturing_phase
*/
static get CAPTURING_PHASE(): number;
/**
* @see https://dom.spec.whatwg.org/#dom-event-at_target
*/
static get AT_TARGET(): number;
/**
* @see https://dom.spec.whatwg.org/#dom-event-bubbling_phase
*/
static get BUBBLING_PHASE(): number;
/**
* Initialize this event instance.
* @param type The type of this event.
* @param eventInitDict Options to initialize.
* @see https://dom.spec.whatwg.org/#dom-event-event
*/
constructor(type: TEventType, eventInitDict?: Event$1.EventInit);
/**
* The type of this event.
* @see https://dom.spec.whatwg.org/#dom-event-type
*/
get type(): TEventType;
/**
* The event target of the current dispatching.
* @see https://dom.spec.whatwg.org/#dom-event-target
*/
get target(): EventTarget | null;
/**
* The event target of the current dispatching.
* @deprecated Use the `target` property instead.
* @see https://dom.spec.whatwg.org/#dom-event-srcelement
*/
get srcElement(): EventTarget | null;
/**
* The event target of the current dispatching.
* @see https://dom.spec.whatwg.org/#dom-event-currenttarget
*/
get currentTarget(): EventTarget | null;
/**
* The event target of the current dispatching.
* This doesn't support node tree.
* @see https://dom.spec.whatwg.org/#dom-event-composedpath
*/
composedPath(): EventTarget[];
/**
* @see https://dom.spec.whatwg.org/#dom-event-none
*/
get NONE(): number;
/**
* @see https://dom.spec.whatwg.org/#dom-event-capturing_phase
*/
get CAPTURING_PHASE(): number;
/**
* @see https://dom.spec.whatwg.org/#dom-event-at_target
*/
get AT_TARGET(): number;
/**
* @see https://dom.spec.whatwg.org/#dom-event-bubbling_phase
*/
get BUBBLING_PHASE(): number;
/**
* The current event phase.
* @see https://dom.spec.whatwg.org/#dom-event-eventphase
*/
get eventPhase(): number;
/**
* Stop event bubbling.
* Because this shim doesn't support node tree, this merely changes the `cancelBubble` property value.
* @see https://dom.spec.whatwg.org/#dom-event-stoppropagation
*/
stopPropagation(): void;
/**
* `true` if event bubbling was stopped.
* @deprecated
* @see https://dom.spec.whatwg.org/#dom-event-cancelbubble
*/
get cancelBubble(): boolean;
/**
* Stop event bubbling if `true` is set.
* @deprecated Use the `stopPropagation()` method instead.
* @see https://dom.spec.whatwg.org/#dom-event-cancelbubble
*/
set cancelBubble(value: boolean);
/**
* Stop event bubbling and subsequent event listener callings.
* @see https://dom.spec.whatwg.org/#dom-event-stopimmediatepropagation
*/
stopImmediatePropagation(): void;
/**
* `true` if this event will bubble.
* @see https://dom.spec.whatwg.org/#dom-event-bubbles
*/
get bubbles(): boolean;
/**
* `true` if this event can be canceled by the `preventDefault()` method.
* @see https://dom.spec.whatwg.org/#dom-event-cancelable
*/
get cancelable(): boolean;
/**
* `true` if the default behavior will act.
* @deprecated Use the `defaultPrevented` proeprty instead.
* @see https://dom.spec.whatwg.org/#dom-event-returnvalue
*/
get returnValue(): boolean;
/**
* Cancel the default behavior if `false` is set.
* @deprecated Use the `preventDefault()` method instead.
* @see https://dom.spec.whatwg.org/#dom-event-returnvalue
*/
set returnValue(value: boolean);
/**
* Cancel the default behavior.
* @see https://dom.spec.whatwg.org/#dom-event-preventdefault
*/
preventDefault(): void;
/**
* `true` if the default behavior was canceled.
* @see https://dom.spec.whatwg.org/#dom-event-defaultprevented
*/
get defaultPrevented(): boolean;
/**
* @see https://dom.spec.whatwg.org/#dom-event-composed
*/
get composed(): boolean;
/**
* @see https://dom.spec.whatwg.org/#dom-event-istrusted
*/
get isTrusted(): boolean;
/**
* @see https://dom.spec.whatwg.org/#dom-event-timestamp
*/
get timeStamp(): number;
/**
* @deprecated Don't use this method. The constructor did initialization.
*/
initEvent(type: string, bubbles?: boolean, cancelable?: boolean): void;
}
declare namespace Event$1 {
/**
* The options of the `Event` constructor.
* @see https://dom.spec.whatwg.org/#dictdef-eventinit
*/
interface EventInit {
bubbles?: boolean;
cancelable?: boolean;
composed?: boolean;
}
}
declare const EventTargetConstructor: typeof EventTarget
declare const EventConstructor: typeof Event
declare class FetchEvent {
request: Request
response: Response | null
awaiting: Set<Promise<void>>
constructor(request: Request)
respondWith(response: Response | Promise<Response>): void
waitUntil(promise: Promise<void>): void
}
export { EventConstructor as Event, EventTargetConstructor as EventTarget, FetchEvent, EventTarget as PromiseRejectionEvent };
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