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@@ -20,128 +20,148 @@
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* ```
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*/
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type EventHandler<T = unknown> = (data: T) => void
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type EventHandler<T = unknown> = (data: T) => void;
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// Export EventHandler type for external use
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export type { EventHandler }
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export type { EventHandler };
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interface EventBusInstance {
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on<T = unknown>(event: string, handler: EventHandler<T>): () => void
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once<T = unknown>(event: string, handler: EventHandler<T>): () => void
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off<T = unknown>(event: string, handler: EventHandler<T>): void
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emit<T = unknown>(event: string, data: T): void
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clear(): void
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on<T = unknown>(event: string, handler: EventHandler<T>): () => void;
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once<T = unknown>(event: string, handler: EventHandler<T>): () => void;
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off<T = unknown>(event: string, handler: EventHandler<T>): void;
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emit<T = unknown>(event: string, data: T): void;
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clear(): void;
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}
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function createEventBus(): EventBusInstance {
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const handlers = new Map<string, Set<EventHandler>>()
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const handlers = new Map<string, Set<EventHandler>>();
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return {
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on<T = unknown>(event: string, handler: EventHandler<T>): () => void {
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if (!handlers.has(event)) {
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handlers.set(event, new Set())
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}
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handlers.get(event)!.add(handler as EventHandler)
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return {
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on<T = unknown>(event: string, handler: EventHandler<T>): () => void {
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if (!handlers.has(event)) {
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handlers.set(event, new Set());
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}
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handlers.get(event)!.add(handler as EventHandler);
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// Return unsubscribe function
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return () => {
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this.off(event, handler)
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}
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},
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// Return unsubscribe function
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return () => {
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this.off(event, handler);
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};
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},
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once<T = unknown>(event: string, handler: EventHandler<T>): () => void {
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const wrappedHandler: EventHandler<T> = (data) => {
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this.off(event, wrappedHandler)
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handler(data)
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}
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return this.on(event, wrappedHandler)
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},
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once<T = unknown>(event: string, handler: EventHandler<T>): () => void {
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const wrappedHandler: EventHandler<T> = (data) => {
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this.off(event, wrappedHandler);
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handler(data);
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};
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return this.on(event, wrappedHandler);
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},
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off<T = unknown>(event: string, handler: EventHandler<T>): void {
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const eventHandlers = handlers.get(event)
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if (eventHandlers) {
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eventHandlers.delete(handler as EventHandler)
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if (eventHandlers.size === 0) {
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handlers.delete(event)
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}
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}
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},
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off<T = unknown>(event: string, handler: EventHandler<T>): void {
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const eventHandlers = handlers.get(event);
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if (eventHandlers) {
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eventHandlers.delete(handler as EventHandler);
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if (eventHandlers.size === 0) {
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handlers.delete(event);
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}
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}
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},
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emit<T = unknown>(event: string, data: T): void {
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const eventHandlers = handlers.get(event)
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if (eventHandlers) {
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for (const handler of eventHandlers) {
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try {
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handler(data)
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} catch (error) {
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console.error(`Error in event handler for "${event}":`, error)
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}
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}
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}
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},
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emit<T = unknown>(event: string, data: T): void {
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const eventHandlers = handlers.get(event);
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if (eventHandlers) {
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for (const handler of eventHandlers) {
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try {
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handler(data);
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} catch (error) {
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console.error(`Error in event handler for "${event}":`, error);
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}
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}
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}
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},
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clear(): void {
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handlers.clear()
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},
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}
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clear(): void {
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handlers.clear();
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},
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};
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}
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// Singleton event bus instance
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export const EventBus = createEventBus()
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export const EventBus = createEventBus();
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import type { KeybindActionName } from "@/context/KeybindContext";
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import type { TABS } from "@/utils/navigation";
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import type { PaneId, NavMode } from "@/context/NavigationContext";
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// Common event types for the application
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export type AppEvents = {
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"theme.changed": { theme: string; mode: "dark" | "light" }
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"theme.mode.changed": { mode: "dark" | "light" }
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"theme.reload": {}
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"navigation.tab.changed": { tab: string; previousTab?: string }
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"navigation.layer.changed": { depth: number; previousDepth: number }
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"feed.subscribed": { feedId: string; feedUrl: string }
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"feed.unsubscribed": { feedId: string }
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"player.play": { episodeId: string }
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"player.pause": { episodeId: string }
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"player.stop": {}
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"auth.login": { userId: string }
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"auth.logout": {}
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"toast.show": { message: string; variant: "info" | "success" | "warning" | "error"; title?: string; duration?: number }
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"dialog.open": { dialogId: string }
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"dialog.close": { dialogId?: string }
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"command.execute": { command: string; args?: unknown }
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"clipboard.copied": { text: string }
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"selection.start": { x: number; y: number }
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"selection.end": { text: string }
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"theme.changed": { theme: string; mode: "dark" | "light" };
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"theme.mode.changed": { mode: "dark" | "light" };
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"theme.reload": {};
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"navigation.tab.changed": { tab: string; previousTab?: string };
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"navigation.layer.changed": { depth: number; previousDepth: number };
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"feed.subscribed": { feedId: string; feedUrl: string };
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"feed.unsubscribed": { feedId: string };
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"player.play": { episodeId: string };
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"player.pause": { episodeId: string };
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"player.stop": {};
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"auth.login": { userId: string };
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"auth.logout": {};
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"toast.show": {
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message: string;
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variant: "info" | "success" | "warning" | "error";
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title?: string;
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duration?: number;
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};
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"dialog.open": { dialogId: string };
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"dialog.close": { dialogId?: string };
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"command.execute": { command: string; args?: unknown };
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// Yazi-style unified router → active page dispatch. The Shell router
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// emits these; each page subscribes to the subset it implements.
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"nav.action": {
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action: KeybindActionName;
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tab: TABS;
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pane: PaneId;
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mode: NavMode;
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};
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"clipboard.copied": { text: string };
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"selection.start": { x: number; y: number };
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"selection.end": { text: string };
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// Multimedia key events (emitted by useMultimediaKeys, consumed by useAudio)
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"media.toggle": {}
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"media.volumeUp": {}
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"media.volumeDown": {}
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"media.seekForward": {}
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"media.seekBackward": {}
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"media.speedCycle": {}
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}
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// Multimedia key events (emitted by useMultimediaKeys, consumed by useAudio)
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"media.toggle": {};
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"media.volumeUp": {};
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"media.volumeDown": {};
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"media.seekForward": {};
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"media.seekBackward": {};
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"media.speedCycle": {};
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};
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// Type-safe emit and on functions
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export function emit<K extends keyof AppEvents>(event: K, data: AppEvents[K]): void {
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EventBus.emit(event, data)
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export function emit<K extends keyof AppEvents>(
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event: K,
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data: AppEvents[K],
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): void {
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EventBus.emit(event, data);
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}
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export function on<K extends keyof AppEvents>(
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event: K,
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handler: EventHandler<AppEvents[K]>
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event: K,
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handler: EventHandler<AppEvents[K]>,
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): () => void {
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return EventBus.on(event, handler)
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return EventBus.on(event, handler);
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}
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export function once<K extends keyof AppEvents>(
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event: K,
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handler: EventHandler<AppEvents[K]>
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event: K,
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handler: EventHandler<AppEvents[K]>,
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): () => void {
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return EventBus.once(event, handler)
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return EventBus.once(event, handler);
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}
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export function off<K extends keyof AppEvents>(
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event: K,
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handler: EventHandler<AppEvents[K]>
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event: K,
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handler: EventHandler<AppEvents[K]>,
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): void {
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EventBus.off(event, handler)
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EventBus.off(event, handler);
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}
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