frontend/node_modules/next/dist/esm/shared/lib/get-hostname.js

/**
 * Takes an object with a hostname property (like a parsed URL) and some
 * headers that may contain Host and returns the preferred hostname.
 * @param parsed An object containing a hostname property.
 * @param headers A dictionary with headers containing a `host`.
 */ export function getHostname(parsed, headers) {
    // Get the hostname from the headers if it exists, otherwise use the parsed
    // hostname.
    let hostname;
    if ((headers == null ? void 0 : headers.host) && !Array.isArray(headers.host)) {
        hostname = headers.host.toString().split(':', 1)[0];
    } else if (parsed.hostname) {
        hostname = parsed.hostname;
    } else return;
    return hostname.toLowerCase();
}

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