Npm vs Yarn

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1. Npm vs Yarn vs NantesJS

2. Consultant @ Zenika Nantes Fullstack developer Franck Abgrall

3. • Created in 2009 • Opensource • Most used javascript

   package manager • Created in 2016 • Opensource • Use the npm registry • Created to solve problem their authors faced themselves
4. None

5. Semantic versioning [major] . [minor] . [patch] Incompatible changes .

   Non breaking changes . Bug fixes Caret ranges ( ^ ) ^6.7.0 == between 6.7.0 and 7.0.0 (7.0.0 excluded) "node": "^6.7.0"

6. Cheat sheet npm install yarn (or yarn install) npm install

   <package> --save yarn add <package> npm install <package> --save-dev yarn add <package> --dev npm update --save yarn upgrade npm install <package> -g yarn global add <package> npm uninstall <package> --save yarn remove <package>

7. , an improvement over + Speed + Cache + Deterministic

   + Offline mode + Yarn why + Checksum + Emojis - Not completely stable

8. Conclusion • Young • Huge and active community

9. blog.zenika.com/npm-vs-yarn/ Découvrez le futur des gestionnaires de paquets js !

10. https://github.com/kefranabg/NPM-VS-YARN

11. Un feedback? http://bit.ly/2ql2qxz