https://docs.npmjs.com › specifying-dependencies-and-devdependencies-in-a-package-json-file

To add dependencies and devDependencies to a package.json file from the command line, you can install them in the root directory of your package using the --save-prod flag (also -S) for dependencies (the default behavior of npm install) or the --save-dev flag (also -D) for devDependencies.

https://stackoverflow.com › questions › 36999461

For installing all packages under dependencies or Prod dependencies, set Environment variable NODE_ENV=production or pass it with the command NODE_ENV=production npm install or npm install --only=prod

https://docs.npmjs.com › cli › v9 › commands › npm-install ›

Learn how to use npm install to install a package and its dependencies, with various options and arguments. See examples of installing from different sources, scopes, versions, and aliases.

https://runebook.dev › fr › docs › npm › specifying-dependencies-and-devdependencies-in-a...

Les devDependencies sont les packages nécessaires uniquement au développement et aux tests locaux. Apprenez à ajouter des devDependencies à un fichier package.json à partir de la ligne de commande ou en modifiant manuellement le fichier.

https://www.warp.dev › terminus › npm-install-dev-dependencies

Learn how to use the npm install command with --save-dev or -D flags to add packages for development only. Find out how to install specific versions, update or reinstall dev dependencies, and troubleshoot common issues.

https://dev.to › writech › a-complete-guide-to-regular-dev-and-peer-dependencies-in-npm-57j9

To install a dev dependency, you need to specify the using --save-dev or -D flag in the npm install command. For example npm install --save-dev jest or npm install -D jest would cause Jest to be added to the devDependencies field of package.json: "devDependencies": { "jest": "^27.0.6" }

https://dmeechan.com › blog › how-to-install-dev-dependencies-npm

Sometimes you want to install a dependency for your JavaScript / Node project that you only need during development or at build time, like eslint or typescript or a types package like @types/node. These packages should be installed to devDependencies because you don't need them in production.

https://dcodesnippet.com › npm-install-dev-dependencies

Learn what dev dependencies are, why they are needed, and how to install and remove them with npm. Find examples of common dev dependencies and tips for managing them in your projects.