import { Ref, ObjectEmitsOptions } from '@wakeadmin/demi';
export type PickOnEvent<T extends {}> = {
    [K in keyof T as K extends `on${string}` ? K : never]: T[K];
};
/**
 * 选择 _ 开始的属性
 */
export type PickUnderScore<T extends {}> = {
    [K in keyof T as K extends `_${string}` ? K : never]: T[K];
};
/**
 * 忽略掉 _ 开始的属性
 */
export type OmitUnderScore<T extends {}> = Omit<T, keyof PickUnderScore<T>>;
type TrimOnPrefix<K extends string> = K extends `on${infer E}` ? E extends `${infer F}${infer L}` ? `${Lowercase<F>}${L}` : E : K;
type TrimRenderPrefix<K extends string> = K extends `render${infer E}` ? E extends `${infer F}${infer L}` ? `${Lowercase<F>}${L}` : E : K;
type TrimOnEvents<T extends {}> = {
    [K in keyof T as TrimOnPrefix<string & K>]: T[K];
};
type AddOnPrefix<K extends string> = K extends `on${infer E}` ? K : K extends `${infer F}${infer L}` ? `on${Uppercase<F>}${L}` : `on${Uppercase<K>}`;
/**
 * 将事件名称都转换成`onXxxx`格式
 */
export type ToJSXEmitDefinition<T extends {}> = {
    [K in keyof T as AddOnPrefix<K & string>]: T[K];
};
/**
 * 将 on* 类型的事件转换为 h 库的 emit 类型格式
 */
export type ToHEmitDefinition<T> = TrimOnEvents<Required<T>>;
type TrimRenderFunctionAndExtraParam<T extends {}> = {
    [K in keyof T as TrimRenderPrefix<string & K>]: T[K] extends (a: void) => any ? never : T[K] extends (a: infer R, ...args: any[]) => any ? R : never;
};
/**
 * 将 render* 类型的渲染函数转换未 h 库的 slot 类型格式
 */
export type ToHSlotDefinition<T> = TrimRenderFunctionAndExtraParam<Required<T>>;
type TransformRenderFunctionToSlotDefinition<T extends {}> = {
    [K in keyof T as TrimRenderPrefix<string & K>]: T[K];
};
/**
 * 将 render* 类型的渲染函数转换为 volar 类型声明
 */
export interface ToVolarSlotDefinition<T extends {}> {
    /**
     * @private Volar 用于推断插槽类型
     */
    $slots: TransformRenderFunctionToSlotDefinition<Required<T>>;
}
type UnionToIntersection<Union> = (Union extends any ? (arg: Union) => void : never) extends (arg: infer I) => void ? I : never;
/**
 * 将 on* 类型渲染转换为 volar $emit 类型
 */
export interface ToVolarEmitDefinition<T extends {}, HEmit extends ObjectEmitsOptions = ToHEmitDefinition<T>, Event extends keyof HEmit = keyof HEmit> {
    $emit: UnionToIntersection<{
        [key in Event]: HEmit[key] extends (...args: infer Args) => any ? (event: key, ...args: Args) => void : (event: key, ...args: any[]) => void;
    }[Event]>;
}
/**
 * 自定义组件实例
 */
export interface OurComponentInstance<Props extends {}, Slots extends {}, Events extends {}, Expose = any> extends ToVolarSlotDefinition<Slots>, ToVolarEmitDefinition<Events> {
    $props: Props & {
        'v-slots'?: Partial<TransformRenderFunctionToSlotDefinition<Required<Slots>>>;
        ref?: Ref<Expose | Expose[] | undefined> | string;
    };
}
export type DefineOurComponent<Props extends {}, Slots extends {}, Events extends {}, Expose = any> = new (props: Props) => OurComponentInstance<Props, Slots, Events, Expose>;
/**
 * 获取Set类型里函数的参数
 */
export type GetParameterInSet<S extends Set<any>> = S extends Set<infer F extends (...args: any) => any> ? Parameters<F> : never;
type Without<T> = {
    [K in keyof T]?: never;
};
export type XOR<T, U> = (Without<T> & U) | (Without<U> & T);
export type Prettify<T> = {
    [K in keyof T]: T[K];
} & {};
export {};
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