npm vs Yarn — Choosing the right package manager

npm vs Yarn — Choosing the right package manager

Both npm and Yarn are great package managers for Node.js and Javascript. But have you ever wondered why Yarn was developed when there was already npm? In this article, I’ll compare both these package managers, so that you can decide which one suits your needs better.

Both npm and Yarn are great package managers for Node.js and Javascript. But have you ever wondered why Yarn was developed when there was already npm? It was built by Facebook to solve major problems they faced with npm, such as slower installation of packages and there were also a few security issues in npm. In this article, I’ll compare both these package managers, so that you can decide which one suits your needs better.

Parallel installation of packages

When a package is installed, it carries out a set of tasks. In npm, when installing multiple packages, it waits for a package to be fully installed before moving to another package. i.e., the tasks are executed per package sequentially. Yarn installs these tasks in parallel, thus increasing performance *and *speed.

To test this, I installed react using npm and Yarn and I was surprised to see the result. The timings were:

  • npm — 3.572 seconds
  • Yarn — 1.44 seconds

programming javascript nodejs software-development software-engineering

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