5-npm-yarn.md

NPM & Yarn

• NPM
  • Global vs. Local
  • package.json
  • Outdated / Update versions
• Yarn
  • Upgrade versions
  • Workspaces and Monorepo

NPM

Global vs. Local

sudo npm install npm -g

npm install lodash

package.json

npm init

Update versions

Outdated versions

npm outdated

Update version

npm update

Publish to Repository

npm adduser
npm publish

Ignore files

• add .npmignore

Yarn

• the "new" JS Package Manager
• Backward compatible
• yarn install
• yarn add ...

Upgrade

yarn upgrade-interactive --latest

Workspaces and Monorepo

1. Create a packages folder in root
2. Copy your projects into the packages folder
3. Add a packages.json into your root

{
  "private": true,
  "workspaces": ["packages/*"]
}