simple-helpers.js/types/helpers.d.ts

简洁高效的现代JavaScript函数库

declare module "simple-helpers.js" {
    export namespace HBasics {
        export function inRange(
            value: number,
            range: [number, number],
            side?: [boolean, boolean]
        ): boolean;

        export function exist(value: any): boolean;
        export function notExist(value: any): boolean;
    }
    export namespace HObject {
        export function picker<T extends object, U extends keyof T>(
            o: T,
            pure?: boolean,
            ...keys: Array<U>
        ): Pick<T, U>;
        export function cloneDeep<T>(target: T, hash?: WeakMap<object, any>): T;
        export function useful<T extends Object>(o: T): Partial<T>;
    }

    export namespace HArray {
        export function head<T>(list: Array<T>): T | undefined;
        export function last<T>(list: Array<T>): T | undefined;
        export function getIndex<T>(list: Array<T>, val: T): number;
        export function getIndexBy<T extends object>(
            list: Array<T>,
            by: string | symbol | number,
            val: T
        ): number;
    }
}