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• report a bug
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Current behaviour

Creating new instance of engine.io and then attaching it to a http server does not carry on the path option given when instantiating. See repro:

Steps to reproduce (if the current behaviour is a bug)

const engine = require('engine.io');
const eio = engine({ path: '/eio' });
eio.attach(http.createServer());
// eio is listening on the default /engine.io path instead of /eio - one must give the options again in attach to make it work

Expected behaviour

Attaching the engine.io instance to the correct path specified in the constructor unless override is given in attach(srv, { path: '/override-eio' }).

Setup

• engine.io version: latest

Other information (e.g. stacktraces, related issues, suggestions how to fix)

Options passed as parameter should respect constructor parameters.
https://github.com/socketio/engine.io/blob/master/lib/server.js#L438