import { isArrLike } from '../array/isArrLike';
import { isIterable } from './isIterable';
import { IterableV } from '../../types';

/**
 * 遍历对象的值
 * @category Object
 */
export function each<T extends Iterable<any>>(obj: T, iterator: (v: IterableV<T>, k: number, o: T) => any): void;
export function each<T extends ArrayLike<any>, K extends Exclude<keyof T, 'length'>>(obj: T, iterator: (v: T[K], k: number, o: T) => any): void;
export function each<T, K extends keyof T, V = T[K]>(obj: T, iterator: (v: V, k: K, o: T) => any): void;
export function each<T>(obj: ArrayLike<T> | Iterable<T> | Object, iterator) {
    if (isArrLike(obj) || isIterable(obj)) {
        Array.from(obj).forEach(iterator);
    } else {
        Object.keys(obj).forEach(k => {
            const v = obj[k];
            iterator(v, k, obj);
        });
    }
}