util.promisify vs bluebird vs fs-extra vs fs-extra-promise vs fs-promise vs promisify-node
Node.js Promise and File System Utilities
Search packages..
util.promisifybluebirdfs-extrafs-extra-promisefs-promisepromisify-nodeSimilar Packages:

Node.js Promise and File System Utilities

This collection of npm packages provides various utilities for handling promises and file system operations in Node.js. They enhance the standard capabilities of Node.js by offering improved promise management, additional file system methods, and utilities for converting callback-based functions to promise-based ones. These packages are essential for developers looking to streamline asynchronous operations and enhance file handling in their applications.

Npm Package Weekly Downloads Trend

3 Years

Github Stars Ranking

Stat Detail

Package
Downloads
Stars
Size
Issues
Publish
License
util.promisify9,863,80012726.1 kB2a year agoMIT
bluebird020,572-1286 years agoMIT
fs-extra09,61757.7 kB132 months agoMIT
fs-extra-promise044-79 years agoMIT
fs-promise0170-29 years agoMIT
promisify-node0147-98 years agoMIT

Feature Comparison: util.promisify vs bluebird vs fs-extra vs fs-extra-promise vs fs-promise vs promisify-node

Promise Management

  • util.promisify:

    util.promisify is a built-in Node.js utility that converts callback functions into promise-returning functions, providing a native and lightweight solution for promise management.

  • bluebird:

    Bluebird offers advanced promise management features such as cancellation, progress reporting, and concurrency control, allowing developers to handle complex asynchronous flows efficiently. Its performance is optimized for speed, making it suitable for high-load applications.

  • fs-extra:

    fs-extra does not provide promise management features as it focuses on file system operations. However, it can be used in conjunction with other promise libraries to handle asynchronous file operations.

  • fs-extra-promise:

    fs-extra-promise wraps fs-extra methods in promises, allowing for straightforward promise management in file operations. This enables chaining and better error handling compared to traditional callback methods.

  • fs-promise:

    fs-promise provides a simple promise-based API for the native fs module, making it easy to manage asynchronous file operations without the complexity of callbacks.

  • promisify-node:

    promisify-node converts callback-based functions to promises, simplifying promise management in existing codebases. It allows developers to easily integrate promise-based workflows into their applications.

File System Operations

  • util.promisify:

    util.promisify can be used to convert native fs functions into promise-based ones, allowing for easier integration of file operations into promise workflows.

  • bluebird:

    Bluebird does not directly handle file system operations but can be used alongside other libraries to manage asynchronous file tasks effectively.

  • fs-extra:

    fs-extra extends the native fs module with additional methods like copy, move, and remove, making it a comprehensive solution for file system operations in Node.js applications.

  • fs-extra-promise:

    fs-extra-promise inherits all the features of fs-extra, providing promise-based methods for file operations, which simplifies the process of handling files asynchronously.

  • fs-promise:

    fs-promise provides a promise-based API for the native fs module, allowing for straightforward file operations while maintaining the simplicity of the native API.

  • promisify-node:

    promisify-node does not provide file system operations directly but allows existing callback-based file system functions to be used with promises, enhancing their usability in asynchronous workflows.

Ease of Use

  • util.promisify:

    util.promisify is very easy to use and integrates seamlessly into existing Node.js applications, making it a practical choice for developers looking to adopt promises.

  • bluebird:

    Bluebird has a steeper learning curve due to its extensive feature set, but it provides powerful tools for managing complex asynchronous tasks once mastered.

  • fs-extra:

    fs-extra is user-friendly and easy to integrate, making it a go-to choice for developers needing enhanced file system capabilities without a steep learning curve.

  • fs-extra-promise:

    fs-extra-promise is straightforward to use for those familiar with promises, as it simply wraps fs-extra methods, making it easy to adopt in existing projects.

  • fs-promise:

    fs-promise is designed for simplicity, offering a minimalistic approach to promise-based file operations, making it easy for developers to switch from callbacks to promises.

  • promisify-node:

    promisify-node is easy to use, especially for developers who are already familiar with Node.js callback patterns, as it requires minimal changes to existing code.

Performance

  • util.promisify:

    util.promisify is highly efficient and has negligible performance overhead, making it an excellent choice for converting callback functions in performance-sensitive applications.

  • bluebird:

    Bluebird is optimized for performance, often outperforming native promises in benchmarks, especially in scenarios involving many chained promises or complex asynchronous flows.

  • fs-extra:

    fs-extra's performance is comparable to the native fs module, but its additional methods may introduce slight overhead depending on usage patterns.

  • fs-extra-promise:

    fs-extra-promise maintains the performance of fs-extra while adding promise support, making it efficient for file operations without significant performance loss.

  • fs-promise:

    fs-promise offers performance similar to the native fs module, providing a lightweight promise wrapper without additional overhead.

  • promisify-node:

    promisify-node has minimal performance impact when converting functions to promises, making it a good choice for enhancing existing callback-based code without sacrificing speed.

Community and Support

  • util.promisify:

    util.promisify is part of the Node.js core, ensuring robust support and documentation directly from the Node.js community.

  • bluebird:

    Bluebird has a large community and extensive documentation, providing ample resources for troubleshooting and advanced usage patterns.

  • fs-extra:

    fs-extra is widely used and well-documented, with a supportive community that offers help and examples for common use cases.

  • fs-extra-promise:

    fs-extra-promise benefits from the popularity of fs-extra, with community support and documentation available for users transitioning to promise-based file operations.

  • fs-promise:

    fs-promise has a smaller community but is straightforward enough that users can find support through general Node.js forums and documentation.

  • promisify-node:

    promisify-node has a niche user base, but its simplicity makes it easy to find help in broader Node.js communities.

How to Choose: util.promisify vs bluebird vs fs-extra vs fs-extra-promise vs fs-promise vs promisify-node

  • util.promisify:

    Select util.promisify if you want a built-in solution from Node.js to convert callback-based functions to promises. It's a good choice for projects that prioritize using native solutions and want to keep dependencies minimal.

  • bluebird:

    Choose Bluebird if you need a powerful promise library that offers advanced features like cancellation, concurrency control, and performance optimizations. It's ideal for complex asynchronous workflows and when you require extensive control over promise behavior.

  • fs-extra:

    Select fs-extra if you need a comprehensive file system utility that extends the native fs module with additional methods like copy, move, and remove. It's a great choice for projects requiring enhanced file manipulation capabilities beyond the standard Node.js fs module.

  • fs-extra-promise:

    Opt for fs-extra-promise if you prefer using promises with the fs-extra library. This package wraps fs-extra methods in promises, making it easier to work with asynchronous file operations without the need for callbacks.

  • fs-promise:

    Use fs-promise if you want a lightweight promise-based wrapper around the native fs module. It's suitable for simple file operations where you want to avoid callback hell but don't need the extensive features of fs-extra.

  • promisify-node:

    Choose promisify-node if you need a straightforward way to convert Node.js callback-style functions into promise-based ones. It's useful for quickly adapting existing codebases to use promises without rewriting the entire logic.

Similar Npm Packages to bluebird

bluebird is a fully-featured promise library for JavaScript that provides a powerful and flexible way to work with asynchronous operations. It enhances the native JavaScript promises by adding a wide range of features, such as cancellation, progress reporting, and more robust error handling. Bluebird is particularly useful for developers who need to manage complex asynchronous workflows and want to take advantage of its performance optimizations.

While Bluebird is a popular choice for promise management, there are several alternatives available in the JavaScript ecosystem. Here are a few noteworthy options:

  • lie is a lightweight promise library that aims to provide a simple and minimalistic implementation of the Promise/A+ specification. It is designed for developers who need a straightforward promise solution without the additional features and overhead that come with larger libraries like Bluebird. Lie is particularly useful for smaller projects or when you want to keep your dependencies minimal.

  • q is another promise library that offers a rich set of features for managing asynchronous operations. It was one of the first libraries to implement the promise concept in JavaScript and provides a variety of utilities for working with promises, such as chaining, error handling, and more. Q is a good choice for developers who need a robust promise implementation with a focus on compatibility and performance.

  • rsvp is a promise library that was created to provide a simple and reliable implementation of promises for JavaScript. It includes features like promise chaining, error handling, and the ability to handle multiple promises concurrently. RSVP is particularly useful for developers who want a straightforward promise solution that is easy to use and integrates well with existing codebases.

  • when is a promise library that focuses on providing a powerful and flexible way to work with asynchronous operations. It offers features like chaining, error handling, and the ability to combine multiple promises. When is a great option for developers who need a comprehensive promise library that can handle complex asynchronous workflows.

To see how Bluebird compares with lie, q, rsvp, and when, check out the comparison: Comparing bluebird vs lie vs q vs rsvp vs when.

Similar Npm Packages to fs-extra

fs-extra is a popular Node.js package that extends the built-in fs (file system) module with additional methods and functionalities. It provides a more convenient and powerful API for file and directory manipulation, making it easier to handle common tasks like copying, moving, and removing files. With fs-extra, developers can work with promises or callbacks, enabling a more flexible approach to file operations.

While fs-extra is a robust choice for file system operations, there are alternatives available that may better suit specific needs:

  • fs is the built-in Node.js file system module. It provides a comprehensive set of methods for interacting with the file system, including reading and writing files, creating directories, and more. However, it lacks some of the convenience methods found in fs-extra, such as recursive directory creation or file copying with additional options. If you only need basic file system operations and prefer to stick with the core Node.js modules, using fs might be sufficient for your needs.
  • fs-extra-promise is a variant of fs-extra that focuses on providing promise-based methods for file system operations. This package allows developers to work with promises instead of callbacks, making it easier to manage asynchronous operations. If you prefer using promises for handling file system tasks and want to leverage the additional features of fs-extra, fs-extra-promise is a great option.

To see how fs-extra compares with fs and fs-extra-promise, check out the comparison: Comparing fs vs fs-extra vs fs-extra-promise.

Similar Npm Packages to fs-extra-promise

fs-extra-promise is a Node.js library that extends the functionality of the native fs module, providing additional file system methods that return promises. This makes it easier to work with asynchronous file operations in a more readable and manageable way. By using fs-extra-promise, developers can avoid callback hell and write cleaner, more maintainable code when dealing with file system tasks.

While fs-extra-promise offers a robust solution for file system operations, there are several alternatives in the ecosystem that also provide promise-based file system functionalities. Here are a few notable options:

  • bluebird is a fully-featured promise library that provides a rich set of features for working with promises, including advanced error handling, cancellation, and concurrency control. While it is not specifically a file system library, it can be used to promisify existing Node.js modules, including the native fs module, allowing developers to take advantage of its powerful promise capabilities in file operations.
  • fs-extra is a popular library that builds on the native fs module by adding extra methods and functionality. It does not return promises by default but can be used in conjunction with promisify or util.promisify to achieve promise-based file operations. fs-extra is widely used for its simplicity and added features, making it a great choice for developers looking for an enhanced file system module.
  • fs-promise is another library that provides promise-based file system methods. It is a lightweight alternative to fs-extra and focuses solely on providing a promise-based API for the native fs module. If you are looking for a minimalistic approach to file system operations with promises, fs-promise might be a suitable option.
  • promisify-node is a library that allows you to convert Node.js callback-style functions into promise-based functions. It can be used with the native fs module to create promise-based file operations easily. If you want to keep your codebase lightweight and only need to promisify specific functions, promisify-node is a good choice.
  • util.promisify is a built-in Node.js utility that converts callback-based functions into promise-based ones. It can be used with the native fs module to create promise-based file operations without needing an external library. This is a great option if you want to avoid additional dependencies and keep your code simple.

To compare these packages and see how they stack up against each other, check out the following link: Comparing bluebird vs fs-extra vs fs-extra-promise vs fs-promise vs promisify-node vs util.promisify.

README for util.promisify

util.promisify

Polyfill for util.promisify in node versions < v8

node v8.0.0 added support for a built-in util.promisify: https://github.com/nodejs/node/pull/12442/

This package provides the built-in util.promisify in node v8.0.0 and later, and a replacement in other environments.

Usage

Direct

const promisify = require('util.promisify');
// Use `promisify` just like the built-in method on `util`

Shim

require('util.promisify/shim')();
// `util.promisify` is now defined
const util = require('util');
// Use `util.promisify`

Note: this package requires a native ES5 environment, and for Promise to be globally available. It will throw upon requiring it if these are not present.

Promisifying modules

If you want to promisify a whole module, like the fs module, you can use util.promisify-all.

npm-compare.com is an independent website designed to help developers choose the most suitable npm packages. We are not affiliated with npm, Inc, the official website for the npm registry. Note that npm is a registered trademark of npm, Inc. Please share your feedback via our GitHub repository. For more details, please refer to our Terms & Privacy.