Node packege manager

What do we know about it?

package.json

npm install <some module>

npm uninstall <some module>

Semantic versioning

npm publish/unpublish

npm init -y

package.json

version

http://semver.org/

MAJOR.MINOR.PATCH

• description
• keywords
• homepage
• bugs
• license
• people fields: author, contributors

• files
• main
• .npmignore
• .gitignore
• bin

man, directories ...

• engines
• os
• cpu
• preferGlobal

• dependencies
• devDependencies
• bundledDependencies
• optionalDependencies
• peerDependencies

npm install/uninstall

-g

--save

--save-dev

--save-optional

--dry-run

--no-optional

--only=dev

What version should be used?

what is set on

--save?

^1.2.3

npm shrinkwrap

All packages in npm3 peer? 

npm dedupe

start writing a code

npm search

can't be unpublished 

small stat

https://www.npmjs.com/package/number-zero

https://www.npmjs.com/package/is-not-thirteen

https://www.npmjs.com/package/positive-zero

https://www.npmjs.com/package/is-array

https://www.npmjs.com/package/is-positive-integer

https://geektimes.ru/post/273554/

U day

• npm update
• npm outdated
• npm ls

Done)))

But how to work?

NPM scripts

commands:

• npm start
• npm stop
• npm restart
• npm build
• npm run

npm start: node server.js.

npm run transpile-typescript

private repository

scope

Npm on-site

Questions?