postchain-client
Version:
Client library for accessing a Postchain node through REST.
23 lines (22 loc) • 1.34 kB
TypeScript
export type Web3EventMap = Record<string, unknown>;
export type Web3EventKey<T extends Web3EventMap> = string & keyof T;
export type Web3EventCallback<T> = (params: T) => void | Promise<void>;
export interface Web3Emitter<T extends Web3EventMap> {
on<K extends Web3EventKey<T>>(eventName: K, fn: Web3EventCallback<T[K]>): void;
once<K extends Web3EventKey<T>>(eventName: K, fn: Web3EventCallback<T[K]>): void;
off<K extends Web3EventKey<T>>(eventName: K, fn: Web3EventCallback<T[K]>): void;
emit<K extends Web3EventKey<T>>(eventName: K, params: T[K]): void;
}
export declare class Web3EventEmitter<T extends Web3EventMap> implements Web3Emitter<T> {
private readonly _emitter;
on<K extends Web3EventKey<T>>(eventName: K, fn: Web3EventCallback<T[K]>): void;
once<K extends Web3EventKey<T>>(eventName: K, fn: Web3EventCallback<T[K]>): void;
off<K extends Web3EventKey<T>>(eventName: K, fn: Web3EventCallback<T[K]>): void;
emit<K extends Web3EventKey<T>>(eventName: K, params: T[K]): void;
listenerCount<K extends Web3EventKey<T>>(eventName: K): number;
listeners<K extends Web3EventKey<T>>(eventName: K): Function[];
eventNames(): (string | symbol)[];
removeAllListeners(): void;
setMaxListenerWarningThreshold(maxListenersWarningThreshold: number): void;
getMaxListeners(): number;
}