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Stopping and starting MSW will cause multiple "instances"

See original GitHub issue

Describe the bug

I have a use case where only I start MSW when user selects “development” data. First time it works fine, but if the user logs out and in again, i.e. stopping and starting MSW, then now it’ll return twice requests twice. It will also write “Mocking enabled” twice. Basically every time I stop and start MSW it adds an extra instance.

Environment

msw: 0.19.3
nodejs: 13.11.0
yarn: 1.22.4

Microsoft Edge: Version 83.0.478.50

To Reproduce

Start a worker.
Call .stop() on that worker.
Start a new worker.

Expected behavior

Expected mocking to only be enabled once

Issue Analytics

State:
Created 3 years ago
Reactions:2
Comments:8 (8 by maintainers)

Top GitHub Comments

1reaction

marcosvega91commented, Jun 23, 2020

Yes I can give you an hand 😄

1reaction

marcosvega91commented, Jun 23, 2020

I have tried nextjs example but I don’t see the problem there, I have only one log for [MSW] Mocking enabled. Hot reload should be good if we work locally but how we can handle manual stop and start of the worker?

We should add two logic maybe:

as you said hot-reload should remove all listeners
stop() should remove listeners too

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