Cant resubscribe after reconnect

[masterada]

Description

If you subscribe and unsubscribe from a channel, and then a centrifuge reconnect happens, you can no longer subscribe to that channel.

Steps to reproduce

1. connect centrifuge
2. subscribe to channel 'test': let sub = centrifuge.subscribe('test', handler)
3. unsubscribe from channel 'test': sub.unsubscribe()
4. reconnect centrifuge (eg: network error)
5. subsribe to channel 'test' again: let sub = centrifuge.subscribe('test', handler)

Expexted:

• centrifuge subscribes to 'test' channel

Actual:

• centrifuge won't subscribe to 'test' channel

Other info

Might be related to: #46

After a bit of investigation, i found out that the subsription is stuck in _STATE_SUBSCRIBING:

1. connect centrifuge
2. subscribe to channel 'test': let oldSub = centrifuge.subscribe('test', handler)
3. unsubscribe from channel 'test': oldSub.unsubscribe()
4. reconnect centrifuge (eg: network error)
5. check status of oldSub: console.log(oldSub._status) // prints out 1, expected 4

[FZambia]

@masterada hello, many thanks for detailed description and steps to reproduce, will take a look very soon.

[FZambia]

@masterada could you please check library version from dist folder in master branch which already contains fix from f421b6c - I believe it should fix an issue. If it works - will create new release.

[masterada]

@FZambia thanks for the quick fix, tested with 7e859c0, works fine for me.

[FZambia]

Thanks! Just released 2.1.6