“npm install all dependencies in package.json” Code Answer’s

The npm package is installed as a dependency when you use npm install . Within these dependencies, the listing package is automatically listed in the package.json file.

To install development dependency, you have to enter the -D flag, or --save-dev which results to add it to the devDependencies list. These development dependencies are considered development-only packages that are useless in production.

In the production menu when you type npm install, the folders in which the package.json file is located are created. these folders are supposed to be development deployed.

if you don't want to install development dependencies you have to put the --production flag in (npm install --production).

Tip:

To deal with package-lock, an npm shrinkwrap file, or a yarn lock file in a package. you should install dependencies concerning the following order of commands.

• npm-shrinkwrap.json
• package-lock.json
• yarn.lock