Interface EventTarget

front_end/core/common/EventTarget.ts:31–41

export type EventListener<Events, T extends keyof Events> = (arg0: EventTargetEvent<Events[T], Events>) => void;

export interface EventTarget<Events> {
  addEventListener<T extends keyof Events>(eventType: T, listener: EventListener<Events, T>, thisObject?: Object):
      EventDescriptor<Events, T>;
  once<T extends keyof Events>(eventType: T): Promise<Events[T]>;
  removeEventListener<T extends keyof Events>(eventType: T, listener: EventListener<Events, T>, thisObject?: Object):
      void;
  hasEventListeners(eventType: keyof Events): boolean;
  dispatchEventToListeners<T extends keyof Events>(
      eventType: Platform.TypeScriptUtilities.NoUnion<T>,
      ...[eventData]: EventPayloadToRestParameters<Events, T>): void;
}

export function fireEvent(name: string, detail: unknown = {}, target: HTMLElement|Window = window): void {
  const evt = new CustomEvent(name, {bubbles: true, cancelable: true, detail});