Multiple versions of react (react-dom uses old react dependency)

Question

I was getting the famous two versions loaded error. I ran the line npm ls | grep reactand got the following:

├─┬ react@15.1.0
├── react-addons-css-transition-group@15.0.2
├─┬ react-big-calendar@0.9.12
│ ├─┬ react@15.1.0
│ ├── react-dom@15.1.0
│ ├── react-overlays@0.6.3
│ ├── react-prop-types@0.2.2
├─┬ react-datetime@2.1.0
│ └─┬ react-onclickoutside@4.9.0
├── react-dom@15.1.0
│ ├─┬ react@0.14.8
│ └── react-addons-update@0.14.8

It seems that react-dom uses react@0.14.8 while the rest of my project uses react@15.1.0.

What do I do to make react-dom not load this older version of react? I thought that this was the most up-to-date version of react-dom.

Note: I am using npm version 2.15.1 and node version v4.4.4

Answer 1

You can try https://docs.npmjs.com/cli/dedupe, if Nicole's comment, with clean reinstall, does not help.