async vs p-queue vs concurrently vs npm-run-all vs yarn-run-all
JavaScript Task Management Libraries Comparison
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asyncp-queueconcurrentlynpm-run-allyarn-run-allSimilar Packages:
What's JavaScript Task Management Libraries?

These libraries provide various utilities for managing asynchronous tasks in JavaScript, allowing developers to execute multiple tasks concurrently, manage task queues, and streamline the execution of scripts in a more efficient manner. They are particularly useful in build processes, automation scripts, and any scenario where multiple asynchronous operations need to be coordinated effectively.

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async62,371,04928,233808 kB106 months agoMIT
p-queue7,721,8043,59740.6 kB47a month agoMIT
concurrently6,792,8607,266406 kB722 months agoMIT
npm-run-all3,211,3005,783-1076 years agoMIT
yarn-run-all22,8535,783-1078 years agoMIT
Feature Comparison: async vs p-queue vs concurrently vs npm-run-all vs yarn-run-all

Execution Control

  • async:

    Async provides a variety of control flow functions that allow developers to manage the execution order of asynchronous tasks. It supports patterns like series, parallel, and waterfall, enabling complex task management with ease.

  • p-queue:

    P-Queue allows you to manage a queue of tasks with control over concurrency. You can set limits on how many tasks run at once and prioritize certain tasks, making it ideal for scenarios where resource management is crucial.

  • concurrently:

    Concurrently allows you to run multiple commands in parallel, but it does not manage the order of execution. It simply starts all specified commands at once, making it suitable for tasks that can run independently without needing to wait for others to complete.

  • npm-run-all:

    NPM Run All enables you to run scripts in parallel or sequentially based on your needs. It provides options to control the execution order, making it flexible for managing npm scripts in your project.

  • yarn-run-all:

    Yarn Run All offers similar functionality to npm-run-all, allowing you to run multiple Yarn scripts in parallel or sequentially, providing control over execution order without complex setups.

Ease of Use

  • async:

    Async has a learning curve due to its extensive API, but once familiar, developers can leverage its powerful features to simplify complex asynchronous workflows.

  • p-queue:

    P-Queue is also user-friendly, with a simple API for adding tasks to the queue and managing concurrency, but it may require some understanding of promises and async functions.

  • concurrently:

    Concurrently is straightforward to use, requiring minimal setup. You simply list the commands you want to run, making it user-friendly for quick tasks.

  • npm-run-all:

    NPM Run All is easy to integrate into existing npm scripts, requiring no additional configuration beyond specifying the scripts to run, making it accessible for most users.

  • yarn-run-all:

    Yarn Run All is designed for ease of use, similar to npm-run-all, and integrates seamlessly with Yarn, making it a natural choice for Yarn users.

Performance

  • async:

    Async is optimized for performance with its various execution patterns, but the overhead of managing complex flows can impact performance in certain scenarios with many tasks.

  • p-queue:

    P-Queue is designed for high performance, allowing you to control how many tasks run concurrently, which can help optimize resource usage and prevent bottlenecks.

  • concurrently:

    Concurrently is efficient for running multiple commands simultaneously, but the performance may vary based on the commands being executed and the system resources available.

  • npm-run-all:

    NPM Run All is efficient for running scripts, but running too many scripts in parallel can lead to performance degradation, depending on system capabilities.

  • yarn-run-all:

    Yarn Run All performs well for running multiple scripts, but like npm-run-all, it can suffer from performance issues if too many scripts are run in parallel.

Compatibility

  • async:

    Async is compatible with both Node.js and browser environments, making it versatile for various JavaScript applications.

  • p-queue:

    P-Queue is compatible with any environment that supports promises, making it a flexible choice for modern JavaScript applications.

  • concurrently:

    Concurrently is primarily designed for Node.js environments, making it best suited for development tasks that involve running multiple processes.

  • npm-run-all:

    NPM Run All works seamlessly with npm scripts, ensuring compatibility across different Node.js environments and projects.

  • yarn-run-all:

    Yarn Run All is tailored for Yarn users, ensuring compatibility with Yarn's package management features.

Community and Support

  • async:

    Async has a large community and extensive documentation, providing ample resources for troubleshooting and learning.

  • p-queue:

    P-Queue has a smaller community but is well-documented, providing enough resources for effective usage.

  • concurrently:

    Concurrently has a growing user base and sufficient documentation, but may not have as extensive community support as Async.

  • npm-run-all:

    NPM Run All benefits from a solid user community and clear documentation, making it easy to find help and examples.

  • yarn-run-all:

    Yarn Run All is supported by the Yarn community, which is active and provides good documentation, ensuring users can find assistance when needed.

How to Choose: async vs p-queue vs concurrently vs npm-run-all vs yarn-run-all
  • async:

    Choose Async if you need a comprehensive suite of utilities for working with asynchronous JavaScript, particularly if you require control over the flow of asynchronous operations, such as series, parallel, and waterfall execution patterns.

  • p-queue:

    Use P-Queue if you need a powerful queue management system that allows you to control concurrency and prioritize tasks. This is particularly beneficial for scenarios where you need to manage a large number of asynchronous tasks with specific limits on how many can run simultaneously.

  • concurrently:

    Select Concurrently if you want to run multiple commands concurrently in the same terminal window, making it ideal for development environments where you need to run multiple processes simultaneously, such as starting a server and a client application at the same time.

  • npm-run-all:

    Opt for NPM Run All if you want a simple way to run multiple npm scripts in parallel or sequentially without the need for complex configurations. It's particularly useful for managing scripts in package.json without modifying your existing scripts.

  • yarn-run-all:

    Choose Yarn Run All if you are using Yarn as your package manager and want a straightforward way to run multiple scripts in parallel or sequentially, similar to npm-run-all, but optimized for Yarn users.

Similar Npm Packages to async

async is a utility module that provides powerful functions for working with asynchronous JavaScript. It simplifies the process of managing asynchronous operations, allowing developers to write cleaner and more maintainable code. With features like parallel execution, series execution, and control flow, async is particularly useful for handling complex asynchronous workflows. However, there are several alternatives in the JavaScript ecosystem that also provide similar functionalities. Here are a few notable ones:

  • bluebird is a fully-featured promise library that offers a wide range of utilities for working with promises. It enhances the native Promise functionality by providing additional features such as cancellation, progress tracking, and more robust error handling. bluebird is known for its performance and is a great choice for developers looking for an advanced promise library that can handle complex asynchronous tasks with ease.

  • p-map is a lightweight utility that allows you to map over an array asynchronously, executing a provided function for each element in parallel. It is particularly useful when you need to perform asynchronous operations on an array of items and want to control the concurrency level. p-map is simple to use and can be a great alternative for scenarios where you need to process multiple asynchronous tasks without the overhead of a larger library.

  • q is another promise library that focuses on providing a simple and straightforward API for working with asynchronous code. It was one of the earlier promise libraries in the JavaScript ecosystem and offers features like chaining, error handling, and more. While it may not be as feature-rich as some of the newer libraries, q is still a solid choice for developers looking for a lightweight solution for managing asynchronous operations.

To see how async compares with bluebird, p-map, and q, check out the comparison: Comparing async vs bluebird vs p-map vs q.

Similar Npm Packages to p-queue

p-queue is a promise-based queue implementation for managing asynchronous tasks in JavaScript. It allows developers to control the concurrency of tasks, ensuring that a specified number of tasks run simultaneously while others wait in line. This is particularly useful when dealing with APIs or other asynchronous operations that may have rate limits or require controlled execution. With features like priority support and the ability to pause and resume queues, p-queue provides a flexible solution for managing complex asynchronous workflows.

There are several alternatives to p-queue that also provide functionality for managing asynchronous tasks:

  • async is a widely-used utility module that provides a variety of functions to work with asynchronous JavaScript. It includes methods for controlling concurrency, such as async.eachLimit and async.parallelLimit, which allow you to run multiple asynchronous operations in parallel with a specified limit. While async is a powerful library with a broad range of features, it may be considered more heavyweight compared to p-queue, especially if you only need simple queuing functionality.

  • p-all is a lightweight utility that allows you to run multiple promise-returning functions concurrently and returns a promise that resolves when all of the promises have resolved. It provides a simple way to manage concurrency without the additional features found in p-queue. If your primary need is to run a set of promises concurrently without the overhead of a full queue implementation, p-all is an excellent choice.

  • p-limit is another minimalist utility that allows you to limit the number of concurrent promises. It creates a function that can be called with promise-returning functions, ensuring that only a specified number of them are executed at any given time. This is particularly useful for controlling resource usage when dealing with APIs or other asynchronous tasks. If you need a straightforward way to limit concurrency without the additional features of a queue, p-limit is an ideal solution.

To see how p-queue compares with async, p-all, and p-limit, check out the comparison: Comparing async vs p-all vs p-limit vs p-queue.

Similar Npm Packages to concurrently

concurrently is a command-line utility that allows developers to run multiple npm scripts concurrently in a single command. This is particularly useful in development environments where you may need to start multiple processes, such as a server and a client, or run various build tasks simultaneously. By using concurrently, developers can streamline their workflow and improve productivity by managing multiple tasks without having to open separate terminal windows.

While concurrently is a popular choice for running multiple scripts, there are several alternatives available that offer similar functionality. Here are a few noteworthy options:

  • npm-run-all is a command-line tool that allows you to run multiple npm scripts sequentially or in parallel. It provides a simple syntax to define how scripts should be executed, making it easy to manage complex workflows. Unlike concurrently, which focuses solely on parallel execution, npm-run-all gives you the flexibility to choose between running scripts in sequence or concurrently, depending on your needs. This makes it a versatile option for developers who require more control over their script execution order.

  • npm-watch is another alternative that focuses on running npm scripts in response to file changes. It watches specified files or directories and automatically executes defined scripts when changes are detected. This is particularly useful in development environments where you want to automate tasks like rebuilding assets or restarting a server whenever you make changes to your code. While npm-watch is not a direct replacement for concurrently, it complements it by providing a way to automate script execution based on file changes.

To explore how these packages compare, check out the following link: Comparing concurrently vs npm-run-all vs npm-watch.

Similar Npm Packages to npm-run-all

npm-run-all is a command-line utility that allows developers to run multiple npm scripts in parallel or sequentially. This package is particularly useful for managing complex build processes or workflows in JavaScript projects, as it simplifies the execution of multiple tasks without the need for additional scripts or manual intervention. By using npm-run-all, developers can streamline their development process, improve efficiency, and reduce the overhead of managing multiple command-line tasks.

While npm-run-all is a powerful tool, there are several alternatives that also provide similar functionality:

  • concurrently is a popular package that enables users to run multiple commands concurrently in the same terminal window. It is particularly useful for running multiple npm scripts simultaneously, such as starting a development server while running tests or building assets. concurrently provides clear output for each command, making it easy to track the progress of each task. If your workflow requires running multiple processes at the same time, concurrently is an excellent choice.
  • npm-run is a simple utility that allows for running npm scripts with additional options. It provides a straightforward way to execute scripts defined in the package.json file without the need for complex command-line syntax. While it may not offer the same level of parallel execution as npm-run-all or concurrently, it is a lightweight option for those who want to streamline their npm script execution.
  • parallelshell is another alternative that allows users to run multiple shell commands in parallel. It provides a simple interface for executing multiple commands simultaneously and is particularly useful for running scripts that do not depend on each other. While it may not be as widely used as some of the other options, it serves as a lightweight solution for parallel command execution.

To see how npm-run-all compares with concurrently, npm-run, and parallelshell, check out the comparison: Comparing concurrently vs npm-run vs npm-run-all vs parallelshell.

Similar Npm Packages to yarn-run-all

yarn-run-all is a command-line utility for running multiple npm scripts in parallel or sequentially. It is particularly useful for developers who want to streamline their build processes or automate tasks within their projects. By allowing you to run multiple scripts with a single command, yarn-run-all helps improve efficiency and reduce the complexity of managing multiple scripts in package.json.

While yarn-run-all is a powerful tool, there are several alternatives that offer similar functionalities. Here are a few notable ones:

  • async is a utility module that provides powerful functions for working with asynchronous JavaScript. It allows you to manage asynchronous control flow in a more manageable way, making it easier to run tasks in parallel or sequentially. While not specifically designed for running npm scripts, async can be used to handle asynchronous operations in Node.js applications effectively.

  • concurrently is a popular package that allows you to run multiple commands concurrently in the same terminal window. It is particularly useful for running multiple npm scripts at the same time, making it a great alternative to yarn-run-all. With concurrently, you can easily manage the output of each command and control how they are executed, making it a solid choice for developers looking to streamline their workflows.

  • npm-run-all is a similar utility that allows you to run multiple npm scripts in parallel or sequentially. It is designed to work with npm rather than yarn, but it offers similar functionality to yarn-run-all. If you are using npm as your package manager, npm-run-all is a great alternative that provides an easy way to manage your scripts.

  • p-queue is a promise-based queue library that allows you to run asynchronous tasks with a specified concurrency limit. While it is not specifically designed for running npm scripts, it can be used to manage the execution of asynchronous functions in a controlled manner. If you need to handle a large number of asynchronous tasks and want to limit the number of concurrent executions, p-queue is a useful tool.

To see how these packages compare, check out the comparison: Comparing async vs concurrently vs npm-run-all vs p-queue vs yarn-run-all.

README for async

Async Logo

Github Actions CI status NPM version Coverage Status Join the chat at https://gitter.im/caolan/async jsDelivr Hits

Async is a utility module which provides straight-forward, powerful functions for working with asynchronous JavaScript. Although originally designed for use with Node.js and installable via npm i async, it can also be used directly in the browser. An ESM/MJS version is included in the main async package that should automatically be used with compatible bundlers such as Webpack and Rollup.

A pure ESM version of Async is available as async-es.

For Documentation, visit https://caolan.github.io/async/

For Async v1.5.x documentation, go HERE

// for use with Node-style callbacks...
var async = require("async");

var obj = {dev: "/dev.json", test: "/test.json", prod: "/prod.json"};
var configs = {};

async.forEachOf(obj, (value, key, callback) => {
    fs.readFile(__dirname + value, "utf8", (err, data) => {
        if (err) return callback(err);
        try {
            configs[key] = JSON.parse(data);
        } catch (e) {
            return callback(e);
        }
        callback();
    });
}, err => {
    if (err) console.error(err.message);
    // configs is now a map of JSON data
    doSomethingWith(configs);
});

var async = require("async");

// ...or ES2017 async functions
async.mapLimit(urls, 5, async function(url) {
    const response = await fetch(url)
    return response.body
}, (err, results) => {
    if (err) throw err
    // results is now an array of the response bodies
    console.log(results)
})
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