Npm vs Yarn | Choosing the Right Package Manager

Npm vs Yarn | Choosing the Right Package Manager

Npm Vs Yarn | Choosing the Right Package Manager

Both yarn vs npm are great package managers for Node.js and Javascript. But when npm already existed, have you ever wondered why Yarn was developed? It was created by Facebook to solve the main problems faced by npm, such as slower packet installation and some security issues in npm. In this article, I will compare these two package managers so you can decide which one is right for your needs.

Parallel installation of packages

When the package is installed, it performs a number of functions. When installing multiple packages on Npm, it waits for one package to be fully installed before moving on to another package. that is, the tasks are performed sequentially for each packet. The thread sets these functions in parallel, thereby increasing performance and speed. To test this, I set up the reaction using npm and Yarn and was surprised to see the result.

Automatic Lock File Generation

Both Npm and Yarn track project dependencies and their version numbers in a package.json file. Each time you set dependencies, you may notice that the dependency version may start with ^ before the version number. This means that every time we install all the packages on another machine or run the installation command manually, the package manager checks for the newly released versions.

When links are added, the thread automatically adds the yarn.lock file. The npm Shrinkwrap command in npm also creates a lock file. But the difference is that Yarn always creates and updates the yarn.lock file, while npm does not create a block file by default. It will only be updated if npm-shrinkwrap.json is available. Npm comes with a new package called v5.0 lock.json file and has dropped the honest npm-shrinkwrap system. This effectively increased the installation process and productivity, although it has not yet reached the Yarn speed level.


Npm automatically implements a code that allows other packets to be put on the flight, leading to various vulnerabilities in the security system. Yarn, on the other hand, installs files that contain yarn.lock or package.json. It is therefore considered safer than npm packages.

Final Overview

They both have two different privileges and features that help users in different ways. Thread is more efficient compared to npm. However, the thread is also responsible for taking up too much space on the hard drive.

The yarn is a new collection and people are very skeptical of the yarn on npm because it is much older, but the yarn is becoming popular today with its stability and safety updates. It should also be noted that npm is also trying to meet with other package managers as the developers are working on it.