import {format, parse} from 'node:url';
import type {Request} from 'express';
import type {Entry} from '../entry';

/**
 * Build the entry's canonical URL (its own pathname) carrying over the current
 * request's query string. Shared by the permalink and markdown-url redirects.
 */
export default function buildCanonicalUrl(req: Request, entry: Entry): string {
    return format({
        pathname: parse(entry.url).pathname,
        search: parse(req.originalUrl).search
    });
};