React interview questions in Hindi #19 What is difference between dependencies vs devDependencies?

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What is difference between dependencies vs devDependencies?
In the context of software development and package management, "dependencies" and "devDependencies" refer to two different categories of packages that are used to build and manage software projects. These terms are commonly used in package managers for programming languages like Node.js (npm), Python (pip), and others.
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Dependencies:
Dependencies are the packages that your project relies on in order to run correctly. They are essential components that your application needs to function properly in a production environment. These packages are typically libraries, frameworks, or tools that provide functionality directly used by your application's codebase. When you deploy or distribute your project, these are the packages that need to be installed on the user's system to ensure your application runs smoothly.

devDependencies:
devDependencies, on the other hand, are packages that are only necessary for development and testing purposes. They include tools, libraries, and frameworks that help with tasks like testing, linting, building, and maintaining the codebase. These packages are not required to be installed on the user's system when they use your application; they are primarily used by developers during the development phase. Including them as devDependencies keeps the production deployment leaner by excluding unnecessary development tools.

Here's a breakdown of the key differences:

devDependencies: Used for development, testing, and building your application but not needed when the application is deployed to production.
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