example.ts

/// <reference path="node-cidr.d.ts" />
import { cidr } from 'node-cidr';

node-cidr.d.ts

/**
 * Manual copy of node_modules/node-cidr/dist/index.d.ts, slightly edited to make it work correctly with TypeScript.
 * An error in the package's configuration makes the types not usable by the compiler.
 **/
declare module 'node-cidr' {
    export const ip: {
        toInt: (ipAddress: string) => number;
        toString: (ipInt: number) => string;
        commonCidr: (ips: string[]) => string;
        toHex: (ip: string | number) => string;
        toOctets: (input: string | number) => number[];
        toBinary: (ip: string | number) => string;
        reverse: (ip: string | number) => string;
        previous: (ip: string) => string;
        next: (ip: string) => string;
        toCidr: (ip: string | number) => string;
        validate: (ip: string) => string | null;
    };
    export const cidr: {
        toRange: (cidr: string) => string[];
        usable: (cidr: string) => string[];
        toIntRange: (cidr: string) => number[];
        commonCidr: (cidrs: string[]) => string;
        max: (cidr: string) => string;
        min: (cidr: string) => string;
        count: (cidr: string) => number;
        netmask: (cidr: string) => string;
        wildcardmask: (cidr: string) => string;
        broadcast: (cidr: string) => string;
        subnets: (cidr: string, subMask: number, limit: number) => string[];
        ips: (cidr: string) => string[];
        includes: (cidr: string, ip: string) => boolean;
        random: (cidr: string) => string;
        next: (cidr: string) => string;
        previous: (cidr: string) => string;
        address: (ip: string) => string;
        mask: (ip: string) => number;
        validate: (cidr: string) => string | null;
    };
}