TanTan
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48 lines
2.3 KiB
Plaintext
48 lines
2.3 KiB
Plaintext
/**
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* Protocol-independent DOM-style event fan-out.
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*
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* Owners perform event-specific state updates before calling
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* {@link dispatch}. Dispatch then invokes the singular handler followed by a
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* snapshot of listeners in insertion order.
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*
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* @typeParam EventMap - Maps event names to their listener parameter types.
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*/
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export declare class EventDispatcher<EventMap extends Record<string, unknown>> {
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private readonly _eventSlots;
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/** Set, replace, or clear the singular handler for an event. */
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setHandler<K extends keyof EventMap>(event: K, handler: ((params: EventMap[K]) => void) | undefined): void;
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/** Get the singular handler for an event, if one is set. */
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getHandler<K extends keyof EventMap>(event: K): ((params: EventMap[K]) => void) | undefined;
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/** Add a listener. Listeners run in insertion order after the handler. */
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addEventListener<K extends keyof EventMap>(event: K, handler: (params: EventMap[K]) => void): void;
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/** Remove the first matching listener, if present. */
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removeEventListener<K extends keyof EventMap>(event: K, handler: (params: EventMap[K]) => void): void;
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/**
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* Dispatch an event to its singular handler and a listener snapshot.
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* Listener mutations during dispatch take effect on the next dispatch.
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*/
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dispatch<K extends keyof EventMap>(event: K, params: EventMap[K]): void;
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private _ensureEventSlot;
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}
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/**
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* Tracks which JSON-RPC methods already have a handler registered through the
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* owning `App` / `AppBridge`, so a second direct `setRequestHandler` /
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* `setNotificationHandler` call for the same method throws instead of
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* silently replacing the first handler (the base SDK `Protocol` replaces).
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*
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* The `on*` setters use {@link replace} for DOM-style replace semantics, and
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* `removeRequestHandler` / `removeNotificationHandler` use {@link release}.
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*
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* @internal
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*/
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export declare class MethodRegistry {
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private readonly _methods;
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/** Claim `method`. Throws if a handler is already registered for it. */
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claim(method: string, via: string): void;
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/** Claim `method` with replace semantics (never throws). */
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replace(method: string): void;
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/** Release `method` so it can be claimed again. */
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release(method: string): void;
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has(method: string): boolean;
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}
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