lodash vs underscore vs ramda vs remeda
JavaScript Utility Libraries Comparison
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What's JavaScript Utility Libraries?

JavaScript utility libraries provide a collection of functions that help developers manipulate data, handle arrays, objects, and perform functional programming tasks more efficiently. These libraries aim to simplify common programming tasks, enhance code readability, and improve productivity by offering a wide range of utility functions that can be reused across different projects. They are particularly useful in modern JavaScript development, where managing complex data structures and asynchronous operations is commonplace.

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lodash69,891,76660,515-1044 years agoMIT
underscore14,764,21727,387906 kB5210 months agoMIT
ramda11,519,04124,0031.18 MB150a year agoMIT
remeda568,4604,914841 kB256 hours agoMIT
Feature Comparison: lodash vs underscore vs ramda vs remeda

Functional Programming Support

  • lodash:

    Lodash provides some functional programming capabilities, but it is primarily focused on utility functions for data manipulation. It supports chaining and has methods that can be used in a functional style, but it does not enforce a functional programming paradigm.

  • underscore:

    Underscore offers basic functional programming support but is not as comprehensive as Ramda. It provides utility functions that can be used in a functional style, but it lacks the advanced features and immutability focus of Ramda.

  • ramda:

    Ramda is designed specifically for functional programming. It encourages a point-free style and provides curried functions by default, allowing for easy composition of functions and a more declarative approach to programming.

  • remeda:

    Remeda combines utility functions with a functional programming approach, offering curried functions and a focus on immutability. It aims to provide a balance between utility and functional programming principles, making it suitable for modern TypeScript applications.

Performance

  • lodash:

    Lodash is optimized for performance and is often faster than its counterparts, especially for large datasets. It includes performance optimizations like lazy evaluation and memoization, making it suitable for performance-critical applications.

  • underscore:

    Underscore is lightweight and performs well for basic utility functions, but it lacks the extensive optimizations found in Lodash. It is suitable for smaller projects where performance is not a primary concern.

  • ramda:

    Ramda's performance is generally good, but it may not match Lodash in raw speed due to its emphasis on immutability and functional programming. However, its performance is adequate for most applications, especially those that prioritize code clarity and maintainability.

  • remeda:

    Remeda is designed to be lightweight and efficient, providing good performance while maintaining type safety. It aims to strike a balance between performance and usability, making it a solid choice for modern applications.

TypeScript Support

  • lodash:

    Lodash has TypeScript definitions available, but they may not cover all functions comprehensively. While it works well with TypeScript, some developers may find the type definitions lacking in certain areas.

  • underscore:

    Underscore has basic TypeScript definitions available, but they are not as comprehensive as those for Lodash or Ramda. It may require additional type definitions for more complex use cases.

  • ramda:

    Ramda has excellent TypeScript support, with comprehensive type definitions that enhance the developer experience. It is a great choice for TypeScript users who want to leverage functional programming principles with strong type safety.

  • remeda:

    Remeda is built with TypeScript in mind, providing first-class type definitions and ensuring type safety across its API. It is an ideal choice for TypeScript developers looking for a modern utility library.

Mutability

  • lodash:

    Lodash allows for mutable operations, meaning it can modify the original objects or arrays unless explicitly designed to return new instances. This can lead to side effects if not managed carefully.

  • underscore:

    Underscore allows for mutable operations similar to Lodash. It does not enforce immutability, so developers need to be cautious about side effects when using its functions.

  • ramda:

    Ramda emphasizes immutability, encouraging developers to work with immutable data structures. Its functions do not mutate the original data, promoting safer and more predictable code.

  • remeda:

    Remeda focuses on immutability and provides functions that do not mutate the original data structures. It is designed for developers who want to maintain immutability in their applications.

Learning Curve

  • lodash:

    Lodash has a moderate learning curve due to its extensive API, but its documentation is thorough, making it easier for developers to get up to speed. Familiarity with JavaScript concepts is sufficient to start using it effectively.

  • underscore:

    Underscore has a low learning curve, making it easy for developers to pick up and start using. Its simpler API and fewer features compared to Lodash make it accessible for quick utility tasks.

  • ramda:

    Ramda has a steeper learning curve, especially for developers new to functional programming. Its point-free style and currying may require a shift in mindset, but it rewards users with more concise and maintainable code once mastered.

  • remeda:

    Remeda is designed to be user-friendly, with a straightforward API that is easy to learn for both new and experienced developers. Its focus on TypeScript also aids in understanding and using the library effectively.

How to Choose: lodash vs underscore vs ramda vs remeda
  • lodash:

    Choose Lodash if you need a comprehensive utility library with a wide range of functions for data manipulation, performance optimizations, and compatibility with older browsers. Lodash is known for its performance and extensive documentation, making it a go-to choice for many developers.

  • underscore:

    Choose Underscore if you need a lightweight utility library that provides basic functionality without the overhead of Lodash. It is suitable for projects that require simple data manipulation without the need for extensive features or performance optimizations.

  • ramda:

    Choose Ramda if you prefer a functional programming style and want to work with immutable data structures. Ramda emphasizes a point-free style and provides a rich set of functions that are curried by default, making it ideal for functional programming enthusiasts who value composability and immutability.

  • remeda:

    Choose Remeda if you are looking for a modern utility library that combines the best features of Lodash and Ramda, with a focus on TypeScript support and type safety. Remeda provides a concise API and is designed for developers who want a lightweight, type-safe alternative to Lodash and Ramda.

Similar Npm Packages to lodash

lodash is a widely-used utility library in JavaScript that provides a plethora of functions for common programming tasks, such as manipulating arrays, objects, and strings. It simplifies complex tasks and enhances productivity by offering a consistent and performant API. While lodash is a powerful tool for developers, there are several alternatives that also provide utility functions and functional programming capabilities. Here are a few notable alternatives:

  • immutable is a library that provides immutable data structures for JavaScript. It allows developers to work with data in a way that prevents unintended mutations, making it easier to manage state in applications, especially in React. Immutable.js offers persistent data structures that are efficient and can help improve performance in applications that require frequent updates to state. If you are looking for a way to ensure immutability in your data handling, immutable is a strong choice.

  • ramda is a functional programming library for JavaScript that emphasizes a functional programming style. Unlike lodash, which is more focused on utility functions, ramda provides a suite of functions designed to work with functional programming paradigms, such as currying and composition. Ramda's approach allows for more declarative code and can lead to cleaner and more maintainable applications. If you prefer a functional programming style and want to leverage powerful functional utilities, ramda is an excellent alternative.

  • underscore is another utility library that provides a similar set of functions to lodash. It was one of the first utility libraries in JavaScript and laid the groundwork for many of the features that lodash later adopted. While lodash has since become more popular due to its performance optimizations and additional features, underscore remains a solid choice for developers who need basic utility functions without the overhead of a larger library. If you are looking for a lightweight alternative that covers the essentials, underscore may be suitable.

For a detailed comparison of these libraries, check out the following link: Comparing immutable vs lodash vs ramda vs underscore.

Similar Npm Packages to underscore

underscore is a popular JavaScript utility library that provides a wide range of functions for common programming tasks, including manipulating arrays, objects, and functions. It serves as a foundation for many other libraries and frameworks, offering a functional programming approach to JavaScript development. While underscore is widely used, there are several alternatives that provide similar or enhanced functionality. Here are a few notable alternatives:

  • immutable is a library designed to create immutable data structures in JavaScript. It provides persistent data structures that enable developers to manage state without mutating the original data. This is particularly useful in functional programming and React applications, where immutability can lead to easier state management and improved performance. If your application requires a focus on immutability and you want to avoid side effects from data mutations, immutable is a strong choice.
  • lodash is a modern utility library that builds upon the concepts introduced by underscore, offering a more extensive set of functions and improved performance. It provides a rich set of methods for manipulating arrays, objects, strings, and more, while also supporting chaining and lazy evaluation. If you are looking for a comprehensive utility library with a large community and extensive documentation, lodash is an excellent alternative to underscore.
  • ramda is a functional programming library for JavaScript that emphasizes a point-free style and immutability. It provides a wide range of utility functions that are designed to work seamlessly with functional programming paradigms. If you prefer a more functional approach to programming and want to leverage currying and composition, ramda is a great choice for enhancing your JavaScript code.

To see how underscore compares with immutable, lodash, and ramda, check out the comparison: Comparing immutable vs lodash vs ramda vs underscore.

Similar Npm Packages to ramda

ramda is a functional programming library for JavaScript that emphasizes a declarative approach to coding. It provides a wide array of utility functions that are designed to work seamlessly with JavaScript's built-in data structures. One of the key features of Ramda is its focus on immutability and function composition, allowing developers to create more predictable and maintainable code. While Ramda is a powerful tool for functional programming, there are several alternatives that also provide utility functions for JavaScript development. Here are a few notable options:

  • immutable is a library that provides immutable data structures for JavaScript. It allows developers to work with collections, lists, and maps in an immutable way, which can help prevent unintended side effects in applications. Immutable.js is particularly useful in scenarios where performance and memory efficiency are critical, as it optimizes operations on large data sets. If your application requires a strong emphasis on immutability and performance, Immutable.js is an excellent choice.
  • lodash is a widely-used utility library that provides a rich set of functions for manipulating arrays, objects, and strings. It offers a mix of functional programming features and traditional imperative programming styles, making it versatile for various use cases. Lodash is known for its performance and ease of use, making it a go-to choice for many developers. If you need a comprehensive utility library that balances performance and functionality, Lodash is a solid option.
  • underscore is another utility library that provides a set of functions for common programming tasks, similar to Lodash. While it predates Lodash, it offers a more minimalistic approach to utility functions. Underscore focuses on providing functional programming helpers, but it may not be as feature-rich or performant as Lodash. If you are looking for a lightweight library with essential utility functions, Underscore can be a suitable choice.

To see how Ramda compares with Immutable, Lodash, and Underscore, check out the comparison: Comparing immutable vs lodash vs ramda vs underscore.

Similar Npm Packages to remeda

remeda is a modern utility library for JavaScript that focuses on providing a set of functional programming helpers. It is designed to be lightweight and tree-shakable, making it an excellent choice for developers who want to write clean and concise code without the overhead of larger libraries. Remeda offers a variety of functions for manipulating arrays, objects, and other data structures, all while maintaining a functional programming style.

While remeda provides a robust set of utilities, there are several alternatives in the JavaScript ecosystem that also offer similar functionality. Here are a few notable ones:

  • lodash is one of the most popular utility libraries in the JavaScript community. It provides a comprehensive set of functions for working with arrays, objects, strings, and more. Lodash is known for its performance and versatility, making it a go-to choice for many developers. It offers both a modular approach and a full build, allowing developers to include only the functions they need. If you require a well-established library with extensive documentation and a wide range of utilities, lodash is an excellent option.
  • ramda is a functional programming library for JavaScript that emphasizes a point-free style of coding. It provides a rich set of functions that are designed to work with immutable data structures and support currying, making it ideal for functional programming enthusiasts. Ramda's focus on immutability and function composition allows developers to write more declarative code. If you are looking for a library that promotes functional programming principles, ramda is a strong candidate.
  • underscore is another utility library that provides a range of functions for common programming tasks. It was one of the first libraries to popularize the concept of utility functions in JavaScript. While underscore has been largely overshadowed by lodash in terms of popularity and features, it still offers a solid set of utilities for working with arrays and objects. If you are looking for a lightweight alternative with a simpler API, underscore may be suitable for your needs.

To see how remeda compares with lodash, ramda, and underscore, check out the comparison: Comparing lodash vs ramda vs remeda vs underscore.

README for lodash

lodash v4.17.21

The Lodash library exported as Node.js modules.

Installation

Using npm:

$ npm i -g npm
$ npm i --save lodash

In Node.js:

// Load the full build.
var _ = require('lodash');
// Load the core build.
var _ = require('lodash/core');
// Load the FP build for immutable auto-curried iteratee-first data-last methods.
var fp = require('lodash/fp');

// Load method categories.
var array = require('lodash/array');
var object = require('lodash/fp/object');

// Cherry-pick methods for smaller browserify/rollup/webpack bundles.
var at = require('lodash/at');
var curryN = require('lodash/fp/curryN');

See the package source for more details.

Note:
Install n_ for Lodash use in the Node.js < 6 REPL.

Support

Tested in Chrome 74-75, Firefox 66-67, IE 11, Edge 18, Safari 11-12, & Node.js 8-12.
Automated browser & CI test runs are available.

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