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Now that they removed project.json in Visual Studio 2017, but npm used to install packages in the devDependencies in that file, how do we use npm to install packages now? If I create a package.json file, wouldn't that be redundant considering the existing MyProject.csproj file?
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The package. json file is the heart of any Node project. It records important metadata about a project which is required before publishing to NPM, and also defines functional attributes of a project that npm uses to install dependencies, run scripts, and identify the entry point to our package.
To open the package manager, from Solution Explorer, right-click the npm node in your project. Next, you can search for npm packages, select one, and install by selecting Install Package.
By default, npm install will install all modules listed as dependencies in package. json . With the --production flag (or when the NODE_ENV environment variable is set to production ), npm will not install modules listed in devDependencies .
All npm packages contain a file, usually in the project root, called package. json - this file holds various metadata relevant to the project. This file is used to give information to npm that allows it to identify the project as well as handle the project's dependencies.
When you install library via terminal and click on dependencies in the solution project, you can see that library will be marked as extraneous.
Extraneous means a package is installed but is not listed in your project's package.json
So use package.json if you want to install packages.
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