naive-ui/es/calendar/src/interface.d.ts

A Vue 3 Component Library. Fairly Complete, Theme Customizable, Uses TypeScript, Fast

export type OnUpdateValue = (value: number, time: DateItem) => void;
export interface DateItem {
    year: number;
    month: number;
    date: number;
}
export type OnPanelChange = (info: {
    year: number;
    month: number;
}) => void;