On: Npm v5.0.0 released

[bryanlarsen]

Even with shrinkwrap, npm install is not deterministic, install order still matters. To get a deterministic install, you need to use shrinkwrap and do an `rm -rf node_modules` before every install. And it's still not completely deterministic if any dependency or sub-dependency has optionalDependencies.

https://docs.npmjs.com/how-npm-works/npm3-nondet

[dvlsg → bryanlarsen]

That, and the fact that it's not the default behavior in npm gives yarn a pretty big advantage in my opinion. Especially for devs who are newer to Node.js.

[nailer → bryanlarsen]

I've read the https://docs.npmjs.com/how-npm-works/npm3-nondet but it make no mention of shrinkwrap. Since shrinkwrap captures versions for the entire tree, install order wouldn't matter.