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It can be tempting to put large swaths of code under the control of complex series of toggles. However, this can be confusing for the rest of your team and a nightmare to debug weeks or months down the road when that toggle accidentally starts to impact other teams’ features.
Generally, try to keep the number of toggles in your codebase low and be sure to deploy them strategically. Also, make sure to have a process in place for vetting when toggling is the correct approach to solving a problem.
One important practice for managing toggle configuration is to name them with meaningful names that describe what they do. This helps to ensure that anyone on the team can quickly understand what a toggle is doing. It also makes it much easier to see what the state of a toggle is in source control (since we generally don’t test with all toggles flipped On).
Many teams recommend testing the toggle configuration that they expect to be live in production and also test the fallback configuration where all toggles are flipped Off. This helps to prevent any surprise regressions when a feature is released.
