Stuff like babel and webpack are only used to build, so they're not included at runtime, whereas you'd need lodash for the app to run. Combine the install process of multiple packages and add them as dependencies to your project by passing multiple packages to the npm install command including the -save flag.ĭev dependencies are those things that are only used to build your application, but not to run it. You can install and directly add the newest package version as a dependency to your project by passing the -save flag to the install command.

Regarding this, how install multiple dependencies NPM? save- dev adds the third-party package to the package's development dependencies. When you're trying to install dependencies for your app/module, you would need to first install them, and then add them to the dependencies section of your package. Possible duplicate of Is it possible to automatically install the required modules for a node.js script? –Īlso, what is NPM Install - Save Dev? By default, NPM simply installs a package under node_modules.This means that the package you're installing will only be used in your development machine. to install the dependencies automatically, first of all list them manually in package.json file and run the npm install (sometimes sudo npm install ) command. Answer (1 of 4): The save-dev flag is used to install a package as a development-only dependency.Herein, how install dependencies automatically NPM? json file from the command line, you can install them in the root directory of your package using the -save-prod flag for dependencies (the default behavior of npm install ) or the -save- dev flag for devDependencies.

To add dependencies and devDependencies to a package. npm install node-tap -save-dev npm install dtrace-provider -save-optional npm install readable-stream -save-exact npm install ansi-regex -save-bundle Note: If there is a file or folder named in the current working directory, then it will try to install that, and only try to fetch the package by name if it is not valid.

Npm save dev save