Node.js Yarn Package Manager Creating a basic package
Example
The yarn init command will walk you through the creation of a package.json file to configure some information about your package. This is similar to the npm init command in npm.
Create and navigate to a new directory to hold your package, and then run yarn init
mkdir my-package && cd my-package
yarn init
Answer the questions that follow in the CLI
question name (my-package): my-package
question version (1.0.0):
question description: A test package
question entry point (index.js):
question repository url:
question author: StackOverflow Documentation
question license (MIT):
success Saved package.json
✨ Done in 27.31s.
This will generate a package.json file similar to the following
{
"name": "my-package",
"version": "1.0.0",
"description": "A test package",
"main": "index.js",
"author": "StackOverflow Documentation",
"license": "MIT"
}
Now lets try adding a dependency. The basic syntax for this is yarn add [package-name]
Run the following to install ExpressJS
yarn add express
This will add a dependencies section to your package.json, and add ExpressJS
"dependencies": {
"express": "^4.15.2"
}
