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

JavaScript utility libraries provide a set of functions that facilitate common programming tasks, such as manipulating arrays, objects, and functions. These libraries enhance productivity by offering pre-built methods that simplify coding, reduce boilerplate, and improve code readability. Each library has its own design philosophy and feature set, catering to different programming styles and needs.

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lodash69,295,19860,475-1064 years agoMIT
underscore14,610,36427,386906 kB5210 months agoMIT
ramda11,414,35323,9941.18 MB151a year agoMIT
deepdash91,190279-274 years agoMIT
Feature Comparison: lodash vs underscore vs ramda vs deepdash

Functional Programming Support

  • lodash:

    Lodash supports functional programming with methods like _.curry, _.partial, and _.flow, allowing developers to create more reusable and composable functions.

  • underscore:

    Underscore offers some functional programming capabilities, such as _.map, _.reduce, and _.filter, but it is not as comprehensive as Ramda in this regard.

  • ramda:

    Ramda is designed with functional programming in mind, providing a rich set of tools for function composition, currying, and immutability, making it a favorite among functional programmers.

  • deepdash:

    Deepdash does not focus on functional programming principles but provides utility functions that can be used in a functional style when combined with lodash.

Performance

  • lodash:

    Lodash is known for its performance optimizations, especially for operations on arrays and objects. It is designed to be fast and efficient, making it suitable for performance-critical applications.

  • underscore:

    Underscore is generally slower than lodash due to its simpler implementation. It is suitable for small-scale applications where performance is not a critical concern.

  • ramda:

    Ramda's emphasis on immutability and functional programming can lead to performance trade-offs compared to lodash, especially when dealing with large datasets. However, its lazy evaluation can optimize performance in certain scenarios.

  • deepdash:

    Deepdash inherits performance characteristics from lodash but may incur additional overhead due to its deep traversal capabilities. It is optimized for deep data structures but should be used judiciously to avoid performance bottlenecks.

Modularity

  • lodash:

    Lodash is modular, allowing developers to import only the functions they need, which helps reduce bundle size and improve performance in modern applications.

  • underscore:

    Underscore is less modular compared to lodash and ramda, providing a single file that includes all functions. This can lead to larger bundle sizes if not managed properly.

  • ramda:

    Ramda is highly modular, enabling developers to import specific functions as needed. This modularity aligns well with tree-shaking and helps keep bundle sizes small.

  • deepdash:

    Deepdash extends lodash with additional functionality, but it is not modular in the sense that it requires lodash to function, which may increase bundle size if not tree-shaken properly.

Learning Curve

  • lodash:

    Lodash has a gentle learning curve, with clear documentation and a straightforward API that makes it accessible for beginners and experienced developers alike.

  • underscore:

    Underscore is easy to learn, especially for those familiar with JavaScript. Its API is simple and intuitive, making it a good starting point for utility libraries.

  • ramda:

    Ramda has a steeper learning curve due to its functional programming paradigm and point-free style. Developers new to functional programming may find it challenging initially.

  • deepdash:

    Deepdash has a moderate learning curve, especially for those already familiar with lodash. Understanding its deep traversal capabilities may require additional learning.

Community and Ecosystem

  • lodash:

    Lodash has a large and active community, extensive documentation, and numerous resources available, making it easy to find support and examples.

  • underscore:

    Underscore has a long-standing community, but it has seen a decline in usage as lodash has become more popular. However, it still has a wealth of legacy resources.

  • ramda:

    Ramda has a dedicated community focused on functional programming, with resources and discussions available, though it is smaller than lodash's community.

  • deepdash:

    Deepdash has a smaller community compared to lodash and ramda, which may result in fewer resources and examples available for learning and troubleshooting.

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

    Choose Lodash for a well-rounded utility library that balances performance and functionality. It is widely used, well-documented, and provides a rich set of functions for array and object manipulation.

  • underscore:

    Choose Underscore if you need a lightweight library with essential utility functions. It provides a simpler API compared to Lodash and is a good choice for projects that require basic functionality without the overhead.

  • ramda:

    Choose Ramda if you prefer a functional programming style and immutability. It emphasizes a point-free style and allows for easier composition of functions, making it suitable for functional programming enthusiasts.

  • deepdash:

    Choose Deepdash if you need to perform deep operations on nested data structures, as it extends lodash with deep traversal capabilities, making it ideal for complex data manipulation.

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 deepdash

deepdash is a powerful utility library for deep manipulation of JavaScript objects and arrays. It extends the functionality of lodash by providing additional methods specifically designed for deep operations, such as deep merging, deep cloning, and deep searching. This makes it particularly useful for working with complex nested data structures, allowing developers to easily traverse and manipulate data without writing verbose code. While deepdash offers a robust solution for deep data manipulation, there are several alternatives in the JavaScript ecosystem that provide similar functionalities. Here are a few noteworthy alternatives:

  • deepmerge is a simple and effective library for deep merging of objects. It allows developers to combine multiple objects into one while preserving the nested structure. Unlike deepdash, which provides a broader range of deep manipulation functions, deepmerge focuses specifically on the merging aspect, making it a lightweight option for scenarios where deep merging is the primary requirement.

  • lodash is one of the most popular utility libraries in the JavaScript ecosystem. It provides a wide range of functions for manipulating arrays, objects, and other data types. While lodash includes some deep manipulation functions, it is not specifically tailored for deep operations like deepdash. However, its extensive feature set and widespread usage make it a go-to choice for many developers.

  • merge-deep is a minimalistic library that focuses solely on deep merging objects. It is lightweight and straightforward, making it easy to integrate into projects where deep merging is needed without the overhead of a larger utility library. If you only need deep merging capabilities, merge-deep is an excellent choice.

  • object-path is a utility library that provides a way to access and manipulate nested properties in JavaScript objects. It allows developers to get, set, and delete properties at any depth, making it useful for working with deeply nested data structures. While it doesn’t offer the same breadth of functionality as deepdash, it excels in its specific use case of object property manipulation.

  • ramda is a functional programming library for JavaScript that emphasizes a functional programming style. It provides a wide range of utility functions, including those for deep manipulation. Ramda’s focus on immutability and function composition makes it a powerful alternative for developers who prefer a functional approach to data manipulation.

  • underscore is another utility library that provides a variety of functions for working with arrays and objects. Similar to lodash, it includes some deep manipulation capabilities but is not as specialized as deepdash. It is a solid choice for developers looking for a comprehensive utility library, though it may not offer the same depth of functionality for deep operations.

For a detailed comparison of these packages, check out: Comparing deepdash vs deepmerge vs lodash vs merge-deep vs object-path vs ramda 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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