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50 lines
1.3 KiB
50 lines
1.3 KiB
2 years ago
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declare var mitt: mitt.MittStatic;
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declare module "mitt" {
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export = mitt;
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}
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declare namespace mitt {
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type Handler = (event?: any) => void;
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type WildcardHandler = (type?: string, event?: any) => void;
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interface MittStatic {
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(all?: {[key: string]: Array<Handler>}): Emitter;
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}
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interface Emitter {
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/**
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* Register an event handler for the given type.
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*
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* @param {string} type Type of event to listen for, or `"*"` for all events.
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* @param {Handler} handler Function to call in response to the given event.
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*
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* @memberOf Mitt
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*/
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on(type: string, handler: Handler): void;
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on(type: "*", handler: WildcardHandler): void;
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/**
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* Function to call in response to the given event
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*
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* @param {string} type Type of event to unregister `handler` from, or `"*"`
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* @param {Handler} handler Handler function to remove.
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*
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* @memberOf Mitt
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*/
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off(type: string, handler: Handler): void;
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off(type: "*", handler: WildcardHandler): void;
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/**
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* Invoke all handlers for the given type.
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* If present, `"*"` handlers are invoked prior to type-matched handlers.
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*
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* @param {string} type The event type to invoke
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* @param {any} [event] An event object, passed to each handler
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*
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* @memberOf Mitt
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*/
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emit(type: string, event?: any): void;
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}
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}
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