jianghh-canvas
Version:
canvas画板，支持笔写、手写、鼠标流畅绘图，自动保存，撤销重做
16 lines (15 loc) • 734 B
TypeScript
type Events = Record<string, ((...args: any) => void)[]>;
export type IEventBus = {
on: <T extends keyof Events>(eventName: T, handler: (...args: any) => void) => void;
emit: <T extends keyof Events>(eventName: T, ...args: any) => void;
off: <T extends keyof Events>(eventName: T, handler: (...args: any) => void) => void;
};
export declare class EventBus implements IEventBus {
events: Events;
constructor();
on<T extends keyof Events>(eventName: T, handler: (...args: any) => void): void;
emit<T extends keyof Events>(eventName: T, ...args: any): void;
off<T extends keyof Events>(eventName: T, handler: (...args: any) => void): void;
}
export declare function useEventBus(vm: any): void;
export {};