###### tags: `Web` `Npm` # npm --save 與 npm --save-dev 不同處紀錄 ## npm i --save [package name] 安裝套件設定在dependencies ## npm i --save-dev [package name] 安裝套件設定在devDependencies ## dependencies與devDependencies差異 - "dependencies": Packages required by your application in production. (Rls用了什麼套件) - "devDependencies": Packages that are only needed for local development and testing. (只有在開發或測試的時候需要的套件) 可以想像 dependencies 的套件是你的程式 build 出來之後發布版本仍然需要的套件,舉例來說,我需要 sass 套件將我的 sass 轉成 css,但是發布版本已經是 css 了,就不需要再有 sass 套件了。 **另外小提醒,@types是 typescript型別,通常編譯後還是js 所以@types系列不會放在 dependencies會放在 devDependencies**
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