How to avoid `loaded two copies of React` error when developing an external component?

Question

I am developing an external component (let\'s say my-component, which I link to the project with npm link (as it is in process and I need the packa

Answer 1

I believe the answer is to specify react and react-dom as peerDependencies in your external component's package.json. As best as I can follow here and here, npm link should (as of npm@3) no longer install peerDependencies (or `devDependencies either).

Aaaand I just read your post more carefully and realized that you already are specifying them as peerDependencies. Therefore, I think the answer boils down to:

Upgrade to npm@3:

npm install -g npm@3.0-latest