JavaScript library to efficiently mutate data without changing the original source

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  • immutability-helper

    mutate a copy of data without changing the original source

  • ramda

    :ram: Practical functional Javascript

    if you want to write immutable code is a great library

  • Klotho

    AWS Cloud-aware infrastructure-from-code toolbox [NEW]. Build cloud backends with Infrastructure-from-Code (IfC), a revolutionary technique for generating and updating cloud infrastructure. Try IfC with AWS and Klotho now (Now open-source)

  • immutable-js

    Immutable persistent data collections for Javascript which increase efficiency and simplicity.

    However, the way Immer uses that phrase seems to be different than how Immutable.js uses that phrase: , It specifically points to the use of specialized data structures like "hash mapped tries" as a mechanism to reuse existing references. Immer definitely doesn't use any of those.

  • Immer

    Create the next immutable state by mutating the current one

    Yes, Immer's docs say it uses "structural sharing": . Specifically, it just leaves existing references as-is if they don't need to be updated.

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