@uppy/utils/lib/getSocketHost.js

Shared utility functions for Uppy Core and plugins maintained by the Uppy team.

export default function getSocketHost(url) {
    // get the host domain
    const regex = /^(?:https?:\/\/|\/\/)?(?:[^@\n]+@)?([^\n]+)/i;
    const host = regex.exec(url)?.[1];
    const socketProtocol = /^http:\/\//i.test(url) ? 'ws' : 'wss';
    return `${socketProtocol}://${host}`;
}