sábado, 24 de julio de 2021

Cypress, React and Emacs backup/lock files

 So I'm dealing with some javascript lately, and it took me a while to figure out that some of the javascript tooling ("cypress open", or "yarn start" a react app) fails to refresh correctly (in fact exits with an exception) every time you modify a file that it is watching.

So, if autorefresh is "on", you can't touch any file.  Not good.

Found out that the cause of those failures are both emacs lockfiles and backup files. They are created in the source directories, and then, js tries to load them, or to examine them somehow, and js falls flat on its face.

(setq make-backup-files nil  

         create-lockfiles nil)  

That should do it.

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