RocketChat/Rocket.Chat

// We need a function that treats thrown errors exactly like Iron Router would.
// This file is written in JavaScript to enable copy-pasting Iron Router code.

// Taken from: https://github.com/iron-meteor/iron-router/blob/9c369499c98af9fd12ef9e68338dee3b1b1276aa/lib/router_server.js#L3
const env = process.env.NODE_ENV || 'development';

// Taken from: https://github.com/iron-meteor/iron-router/blob/9c369499c98af9fd12ef9e68338dee3b1b1276aa/lib/router_server.js#L47
export function ironRouterSendErrorToResponse(err, req, res) {
    if (res.statusCode < 400) res.statusCode = 500;

    if (err.status) res.statusCode = err.status;

    let msg;
    if (env === 'development') msg = `${err.stack || err.toString()}\n`;
    // XXX get this from standard dict of error messages?
    else msg = 'Server error.';

    console.error(err.stack || err.toString());

    if (res.headersSent) return req.socket.destroy();

    res.setHeader('Content-Type', 'text/html');
    res.setHeader('Content-Length', Buffer.byteLength(msg));
    if (req.method === 'HEAD') return res.end();
    res.end(msg);
}