Yarn Package Manager Crash Course – Download

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In this video we will look at the Yarn package manager and talk about what it is and then jump in and look at all of the fundamental commands to install, remove, updated packages, etc.

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COMMAND GIST:

# GET VERSION
yarn -v (or –version)
# GET HELP
yarn help
# CREATE PACKAGE.JSON
yarn init
yarn init -y // Use defaults
# SET DEFAULTS
yarn config set init-license ISC
# GET DEFAULTS
yarn config get init-license
# REMOVE DEFAULTS
yarn delete init-license
# INSTALLING LOCAL PACKAGES
yarn add lodash
yarn add moment
# INSTALL FROM PACKAGE.JSON
(add "gulp":"*")
yarn install
# REMOVING MODULES
yarn remove lodash
# INSTALL CERTAIN VERSIONS
yarn add lodash@4.17.3
# FIND OUTDATED VERSIONS
yarn outdated lodash
yarn outdated
# UPGRADE
yarn upgrade lodash
yarn upgrade
# INSTALL GLOBAL MODULE (global must be put right after yarn)
yarn global add nodemon
# FIND ROOT FOLDER
yarn global bin
# REMOVE GLOBAL PACKAGES
yarn global remove nodemon
# LISTING PACKAGES
yarn list
yarn list –depth=0
yarn list –depth=1
yarn list –pattern gulp
# INSTALLING AS DEV DEPENDENCY
yarn add gulp -D or –dev
# REMOVE DEV DEPENDENCY
yarn remove gulp
#VERIFY THAT VERSIONS MATCH LOCK FILE
yarn check
# CREATE YARN.LOCK FILE
yarn import
# ADD SCRIPT
"scripts": {
"dev": "nodemon index.js"
},
# RUN SCRIPT
yarn run dev
# GET LICENSES
yarn license
# CREATE GZIP ARCHIVE OF DEPENDENCIES
yarn pack
yarn pack mydep
# LIST GLOBAL CACHE PACKAGES
yarn cache list
yarn cache list –pattern lodash
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