underscore-contrib
The brass buckles on Underscore's utility belt (by documentcloud)
mori
ClojureScript's persistent data structures and supporting API from the comfort of vanilla JavaScript (by swannodette)
Our great sponsors
| underscore-contrib | mori | |
|---|---|---|
| - | 5 | |
| 622 | 3,388 | |
| 0.3% | - | |
| 2.3 | 0.0 | |
| 7 months ago | about 4 years ago | |
| JavaScript | Clojure | |
| MIT License | - |
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
underscore-contrib
Posts with mentions or reviews of underscore-contrib.
We have used some of these posts to build our list of alternatives
and similar projects.
We haven't tracked posts mentioning underscore-contrib yet.
Tracking mentions began in Dec 2020.
mori
Posts with mentions or reviews of mori.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2022-03-16.
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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.
What are some alternatives?
When comparing underscore-contrib and mori you can also consider the following projects:
RxJS
immutable-js - Immutable persistent data collections for Javascript which increase efficiency and simplicity.
Mout - Modular JavaScript Utilities
Immer - Create the next immutable state by mutating the current one
ramda - :ram: Practical functional Javascript
lodash - A modern JavaScript utility library delivering modularity, performance, & extras.
buckets - A complete, fully tested and documented data structure library written in pure JavaScript.
Index - ⚡ Pattern Matching in Typescript