yarn-install 
If command yarn exists it uses Yarn to install, otherwise fallbacks to npm.
NOTE: to install packages in a directory, it's recommened to use install-packages instead. In most cases that is a better choice.
Install
$ npm install --save yarn-installUsage
const install = require('yarn-install')
const result = install({
deps: ['webpack', 'mocha']
})
//=> result, returned by child_process.spawnSyncCLI
yarn global add yarn-install
# then you will have `yarn-install` & `yarn-remove` commands
yarn-install pokemon --dev
yarn-install yo --global
yarn-remove xo
# don't forget that `yarn-install` with dependencies is always `--save` by default.
yarn-install help
yarn-remove helpAPI
install([options])
options
deps
Type: array
An array of dependencies to install, you can omit it to install dependencies in package.json. If dependencies is present, it defaults to --save mode.
install({
deps: ['ava', 'koa']
})cwd
Type: string
The directory to run the command.
registry
Type: string
Specfic a custom npm registry to use.
dev
Type: boolean
Use --dev for Yarn and --save-dev for npm.
global
Type: boolean
Install globally, stands for npm --global or yarn global.
remove
Type: boolean
Default: undefined
The reversed behavior to install, ie. yarn remove and npm uninstall
production
Type: boolean
Default: undefined
Only install dependencies in package.json.
respectNpm5
Type: boolean
Default: undefined
Use npm if it's >= npm5.
install.getPm([options])
Get the package manager that will be used to install.
options
respectNpm5
// Given you have yarn & npm 4 installed
const pm = install.getPm()
//=> yarn
// Given you have yarn & npm 5 installed
const pm = install.getPm()
//=> yarn
// Given you have yarn & npm 5 installed
const pm = install.getPm({ respectNpm5: true })
//=> npmContributing
- Fork it!
- Create your feature branch:
git checkout -b my-new-feature - Commit your changes:
git commit -am 'Add some feature' - Push to the branch:
git push origin my-new-feature - Submit a pull request :D