mori
vector
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mori
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Om but in javascript
immutable-js or mori for immutable data structures
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How to handle "mutable state" in a pure functional way
Use persistent immutable data structures (as implemented in, for instance, mori or Immutable.js) to represent the state. As much as possible, push calculations into referentially transparent functions (i.e., input depends purely on output) which take persistent data. Write the interactions with the real world in imperative style.
- Understanding Clojure's Persistent Vectors (2013)
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Immutable.js is not dead!
Mori
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Functional Programming with Javascript | Introduction
Always make immutable variables. You can achieve this by having a persistence data structure using Mori or immutable.js libraries to open the features such as linked list, trees, path dealing to help with efficiency. I will not be covering how to create a persistence data structure using those libraries as it’s not the scope of this post.
vector
- Persistent Vector with amortized O(1) modification on both ends
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Understanding Clojure's Persistent Vectors (2013)
voila.. took a bit longer, the code was "too slow"... turns out I was using the wrong branching factor!
https://github.com/tomprimozic/vector
What are some alternatives?
immutable-js - Immutable persistent data collections for Javascript which increase efficiency and simplicity.
nim-persistent-vector - Implementation of Clojures persistent vector in Nim for easy immutable lists.
Immer - Create the next immutable state by mutating the current one
react-matchstick - Matchstick game solver implemented in browser-side JavaScript. React front end.
ramda - :ram: Practical functional Javascript
lodash - A modern JavaScript utility library delivering modularity, performance, & extras.
underscore-contrib - The brass buckles on Underscore's utility belt
buckets - A complete, fully tested and documented data structure library written in pure JavaScript.
Index - ⚡ Pattern Matching in Typescript
lazy.js - Like Underscore, but lazier
react-websocket - Easy-to-use React component for websocket communications.