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// Make this a module
export {};
// Conditional type aliases, which are later merged into the global scope.
// Will either be empty if the relevant web library is already present, or the @types/node definition otherwise.
type __Event = typeof globalThis extends { onmessage: any } ? {} : Event;
interface Event {
readonly bubbles: boolean;
cancelBubble: boolean;
readonly cancelable: boolean;
readonly composed: boolean;
composedPath(): [EventTarget?];
readonly currentTarget: EventTarget | null;
readonly defaultPrevented: boolean;
readonly eventPhase: 0 | 2;
initEvent(type: string, bubbles?: boolean, cancelable?: boolean): void;
readonly isTrusted: boolean;
preventDefault(): void;
readonly returnValue: boolean;
readonly srcElement: EventTarget | null;
stopImmediatePropagation(): void;
stopPropagation(): void;
readonly target: EventTarget | null;
readonly timeStamp: number;
readonly type: string;
}
type __CustomEvent<T = any> = typeof globalThis extends { onmessage: any } ? {} : CustomEvent<T>;
interface CustomEvent<T = any> extends Event {
readonly detail: T;
}
type __EventTarget = typeof globalThis extends { onmessage: any } ? {} : EventTarget;
interface EventTarget {
addEventListener(
type: string,
listener: EventListener | EventListenerObject,
options?: AddEventListenerOptions | boolean,
): void;
dispatchEvent(event: Event): boolean;
removeEventListener(
type: string,
listener: EventListener | EventListenerObject,
options?: EventListenerOptions | boolean,
): void;
}
interface EventInit {
bubbles?: boolean;
cancelable?: boolean;
composed?: boolean;
}
interface CustomEventInit<T = any> extends EventInit {
detail?: T;
}
interface EventListenerOptions {
capture?: boolean;
}
interface AddEventListenerOptions extends EventListenerOptions {
once?: boolean;
passive?: boolean;
signal?: AbortSignal;
}
interface EventListener {
(evt: Event): void;
}
interface EventListenerObject {
handleEvent(object: Event): void;
}
// Merge conditional interfaces into global scope, and conditionally declare global constructors.
declare global {
interface Event extends __Event {}
var Event: typeof globalThis extends { onmessage: any; Event: infer T } ? T
: {
prototype: Event;
new(type: string, eventInitDict?: EventInit): Event;
};
interface CustomEvent<T = any> extends __CustomEvent<T> {}
var CustomEvent: typeof globalThis extends { onmessage: any; CustomEvent: infer T } ? T
: {
prototype: CustomEvent;
new<T>(type: string, eventInitDict?: CustomEventInit<T>): CustomEvent<T>;
};
interface EventTarget extends __EventTarget {}
var EventTarget: typeof globalThis extends { onmessage: any; EventTarget: infer T } ? T
: {
prototype: EventTarget;
new(): EventTarget;
};
}
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