Package.json yarn using yarn of command

Official Description: https://classic.yarnpkg.com/zh-Hans/docs/package-json

Original Address: Use the command of yarn

 

name And  version is a  package.json document the two most important fields, without which your package can not be installed. name And  version fields together to create a unique id.

yarn add [name]

　　This is the name of your package. It is in the URL, as command line arguments as  node_modules directory names in use.

node_modules/[name]


https://registry.npmjs.org/[name]/-/[name]-[version].tgz

　　

 

Add a dependency

By  yarn add updates add dependencies  package.json and  yarn.lock files

1. yarn add <packageName> Dependence will be recorded in  package.json the dependencies 

1. yarn global add <packageName> Global Installation depends

 Update a dependent

yarn upgrade The latest version of the update package to be used based on the specification range

    yarn upgrade --latest # 忽略版本规则，升级到最新版本，并且更新 package.json

Removing a dependent

yarn remove <packageName>

Install all the files package.json

yarn or yarn install

Run the script

yarn run To execute  package.json the  scripts script attributes defined under

    // package.json
    {
        "scripts": {
            "dev": "node app.js", "start": "node app.js" } }

    yarn run dev # yarn 执行 dev 对应的脚本 node app.js
    npm run # npm

    yarn start # yarn npm start # npm

And you can have the same npm  yarn start and  yarn test two shorthand way of running the script

 

A display package information

yarn info <packageName> A module can be used to view the latest version information

All rely listed items

yarn list   # 列出当前项目的依赖

yarn global list # 列出全局安装的模块