> What the Immutable.js library does inside a web application, why it is part of the site's own code and whether it raises any GDPR consent question. > > Canonical: https://www.flowconsent.com/en/services/framework/immutable-js Frameworks # Immutable.js Unclassified · [Official website](https://facebook.github.io/immutable-js/) Immutable.js is an open source JavaScript library, originally created at Facebook, that provides immutable data structures such as List, Map and Set. Developers use it inside web applications to manage state in a predictable way. It runs entirely in the browser or on the server as part of the code and does not set cookies or send data to a third party. 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