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Lusito / forget-me-not

Make the browser forget website data, except for the data you want to keep.
zlib License
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Preserving localstorage when cleaning cookies #156

Closed ghost closed 4 years ago

ghost commented 5 years ago

Is it possible to create a rule that cleans all cookies while preserving some (or all) localstorage keys?

For example I'd like to persist the theme: dark setting on https://docs.microsoft.com, which is saved in localstorage, while clearing all of their tracking cookies.

Thanks in advance.

Lusito commented 5 years ago

Two things: Currently it's not possible to clean only some keys in local storage. While it is technically possible, it would be a very hacky solution, since it would require the website to be open and a script to be injected. So don't expect a key specific rules for local storage any time soon.

The use-case clean all cookies, but not local storage is currently possible, although not very convenient, since you need to know all cookie names. You could add A never rule to ms.com and then add cookie-specific forget rules for all cookies.

There has been a feature request for a wildcard in the cookie specific rules (See #137), which would make this easier, but until that is resolved, this is the only way.