yarn基本使用

yarn v1

npm (v5)	yarn（1.x）	说明
npm install	yarn add	初始化项目
(N/A)	yarn add --flat
(N/A)	yarn add --har
npm install --no-package-lock	yarn add --no-lockfile
(N/A)	yarn add --pure-lockfile
npm install [package] --save	yarn add [package]
npm install [package] --save-dev	yarn add [package] --dev
(N/A)	yarn add [package] --peer
npm install [package] --save-optional	yarn add [package] --optional
npm install [package] --save-exact	yarn add [package] --exact
(N/A)	yarn add [package] --tilde
npm install [package] --global	yarn global add [package]
npm update --global	yarn global upgrade
npm rebuild	yarn add --force
npm uninstall [package]	yarn remove [package]
npm cache clean	yarn cache clean [package]
rm -rf node_modules && npm install	yarn upgrade
npm version major	yarn version --major
npm version minor	yarn version --minor
npm version patch	yarn version --patch

yarn v2

https://next.yarnpkg.com/getting-started/install

1. 全局安装最新版本的yarn v2

   npm install -g yarn@berry

2. 初始化react项目

   yarn dlx create-react-app my-app --template typescript --use-pnp

3. 1

初始化项目：

yarn init -2