Package.json
The minimum folder structure of a Node.js project includes:
package.json: The heart of the project, containing metadata, dependencies, and scripts.package-lock.json(or yarn.lock): Generated automatically to ensure consistent dependency installations.index.js: The main entry point of the Node.js application, where the server starts or primary logic executes.
Contents of a package.json file​
name: Name of the package or project.version: Current version of the package.description: Brief description of the package.main: Entry point of the package.dependencies: Packages required in production.devDependencies: Packages required during development.scripts: Custom scripts for tasks.license: License type of the package.repository: URL of the source code repository.keywords: Keywords for package discovery.
Note: The above list covers the essential and commonly used fields, but there may be other optional fields depending on the specific needs of the project.