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yarn.md

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+---
+title: Yarn
+category: JavaScript libraries
+---
+
+| npm | yarn |
+| --- | ---- |
+| `npm install` | `yarn` |
+| `npm install gulp` | `yarn add gulp` |
+| `npm install gulp --save-dev --save-exact` | `yarn add gulp --dev --exact` |
+| `npm install -g gulp` | `yarn global add gulp` |
+| `./node_modules/.bin/gulp` | `yarn run gulp` |
+
+## yarn add
+
+```
+--dev
+--peer
+--optional
+--exact
+--tilde
+```