Npm install --save

–save or -S: When the following command is used with npm install this will save all your installed core packages into the dependency section in the package. json file. Core dependencies are those packages without which your application will not give desired results.

1. What is the difference between npm install and npm install -- save?
2. Where does npm install save?
3. Is -- save necessary?
4. Why do we not use -- save with npm install anymore?
5. Where is npm cache stored?
6. Where are npm packages stored?
7. Where do Pip installs go?
8. What is -- Save flag in NPM?
9. What purpose does the -- save Dev flag serve?
10. What is npm install save Dev?
11. Which is better yarn or npm?
12. What is NPX vs npm?
13. Does npm install cache?

What is the difference between npm install and npm install -- save?

When we run the npm install package_name command, then the package name is added in the package. json file as a dependency. The --save specifies that the package is required at production or development. That means, it is a required package regardless of the environment.

Where does npm install save?

The npm also has a cache folder, which can be found by running npm config get cache ( %AppData%/npm-cache on Windows). The npm modules are first downloaded here and then copied to npm global folder ( %AppData%/Roaming/npm on Windows) or project specific folder ( your-project/node_modules ).

Is -- save necessary?

Update npm 5:

0, installed modules are added as a dependency by default, so the --save option is no longer needed. The other save options still exist and are listed in the documentation for npm install .

Why do we not use -- save with npm install anymore?

You don't need --save anymore for NPM installs. This was long the golden standard to install a package and save it as a dependency in your project. Meaning if we didn't specify the --save flag, it would only get locally installed and not added to the package. json file.

Where is npm cache stored?

Cache files are stored in ~/. npm on Posix, or %AppData%/npm-cache on Windows.

Where are npm packages stored?

Local Installation of Packages: Local packages are installed in the directory where you run npm install <package-name> and they are put in the node_modules folder under this directory.

Where do Pip installs go?

To install modules locally, you need to create and activate what is called a virtual environment, so pip install installs to the folder where that virtual environment is located, instead of globally (which may require administrator privileges).

What is -- Save flag in NPM?

npm install saves any specified packages into dependencies by default. Additionally, you can control where and how they get saved with some additional flags: -P, --save-prod: Package will appear in your dependencies. This is the default unless -D or -O are present.

What purpose does the -- save Dev flag serve?

--save-dev saves the name and version of the package being installed in the dev-dependency object. As developers who are just getting started or want to build an application that can be easily deployed without any problem this difference is a must know.

What is npm install save Dev?

npm install [package-name] –save-dev: When –save-dev is used with npm install, it signifies that the package is a development dependency. A development dependency is any package that absence will not affect the work of the application.

Which is better yarn or npm?

Speed and Performance. As mentioned above, while NPM installs dependency packages sequentially, Yarn installs in-parallel. Because of this, Yarn performs faster than NPM when installing larger files. Both tools also offer the option of saving dependency files in the offline cache.

What is NPX vs npm?

Npm is a tool that use to install packages. Npx is a tool that use to execute packages. Packages used by npm are installed globally. You have to care about pollution in the long term.

Does npm install cache?

Anytime you install a package using NPM, the package files and data will be saved as a . tar file in the NPM cache folder (automatically configured during installation) to be reused later when you run the same npm install command. Your NPM cache files will be stored under ~/. npm/_cacache folder by default.