How To Install libjs-async on Debian 9

In this tutorial we learn how to install libjs-async on Debian 9. libjs-async is higher-order functions and common patterns for asynchronous Javascript

Introduction

In this tutorial we learn how to install libjs-async on Debian 9.

What is libjs-async

libjs-async is:

Node is an event-based server-side JavaScript engine.

Async is a utility module which provides straight-forward, powerful functions for working with asynchronous Javascript. Although originally designed for use with Node, it can also be used directly in the browser.

Async provides around 20 functions that include the usual ‘functional’ suspects (map, reduce, filter, forEach??) as well as some common patterns for asynchronous control flow (parallel, series, waterfall??). All these functions assume you follow the Node convention of providing a single callback as the last argument of your async function.

This provides async for use directly in web browsers.

There are three methods to install libjs-async on Debian 9. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install libjs-async Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install libjs-async using apt-get by running the following command:

sudo apt-get -y install libjs-async

Install libjs-async Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install libjs-async using apt by running the following command:

sudo apt -y install libjs-async

Install libjs-async Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Debian. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install libjs-async using aptitude by running the following command:

sudo aptitude -y install libjs-async

How To Uninstall libjs-async on Debian 9

To uninstall only the libjs-async package we can use the following command:

sudo apt-get remove libjs-async

Uninstall libjs-async And Its Dependencies

To uninstall libjs-async and its dependencies that are no longer needed by Debian 9, we can use the command below:

sudo apt-get -y autoremove libjs-async

Remove libjs-async Configurations and Data

To remove libjs-async configuration and data from Debian 9 we can use the following command:

sudo apt-get -y purge libjs-async

Remove libjs-async configuration, data, and all of its dependencies

We can use the following command to remove libjs-async configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge libjs-async

Dependencies

libjs-async have the following dependencies:

References

Summary

In this tutorial we learn how to install libjs-async package on Debian 9 using different package management tools: apt, apt-get and aptitude.