In this Hasty Treat, Scott and Wes discuss npm, yarn, lock files, why they're useful, why you would or wouldn't want to track them in Git and much more!
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- What is npm and yarn?
- What's the difference between npm and yarn?
- What is semver?
- What is the dependency tree?
- This is the problem that lock files solve
- Cool new features of npm and yarn
- security warnings