Javascript Package - Dependency

About

package Dependency in Node.

Dependency are declared/added in package.json:

• with a package manager
• or manually

Type of dependency relationship

• Javascript Package - Dependencies - dependency in the code used to build the dependency graph.
• Devdependencies - build and test dependency that are not needed in the dependency graph (bundler, test harnesses or transpilers)
• Peerdependencies - A dependency that will be provided and is not needed in the bundle.
• Javascript Package - bundled Dependencies: an array of package names that will be bundled when publishing the package.
• optionalDependencies: build dependency failures do not cause installation to fail

Management

Installation of all dependencies

It will get the dependency from the package.json file

Installation of all dependency of a cloned project.

• for dev

git clone url
yarn install
# or
npm install

• for a continous integration. npm ci. Example: doc publishing

npm ci

Add a dependency to your project

See:

• dependencies
• devdependencies
• peerdependencies

Exclude

To not include a dependency, you need to declare it as peerDependency