Clears screen during watch mode correctly.#3294
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marr
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Thank you so much for fixing this! I'm sorry for the thrash on that issue, my mistake and I apologize. |
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Summary
This change is to prevent the screen from clearing when building for Continuous Integration systems. While the
--watchflag typically wouldn't be used on a CI system, this change gives us a hook into disabling the clear feature that can prevent other processes' output from being seen during a typical development workflow.Test plan
I was able to verify this worked using the
CI=true jest --watchAllnpm-script in my project. Without theCIvalue set, the standard behavior of the screen clearing between watch runs, occurs.Fixes #2959.