fbredius/storybook

import ip from 'ip';

import { logger } from '@storybook/node-logger';
import detectFreePort from 'detect-port';

export function getServerAddresses(port: number, host: string, proto: string) {
  return {
    address: `${proto}://localhost:${port}/`,
    networkAddress: `${proto}://${host || ip.address()}:${port}/`,
  };
}

export const getServerPort = (port: number) =>
  detectFreePort(port).catch((error) => {
    logger.error(error);
    process.exit(-1);
  });

export const getServerChannelUrl = (port: number, { https }: { https?: boolean }) => {
  return `${https ? 'wss' : 'ws'}://localhost:${port}/storybook-server-channel`;
};