Complex Drag and Drop Lists using React.js

Note: All of the code can be found on GitHub. This article covers creating an HTML5 based drag and drop container that accepts items from compatible containers, has nice animations, and only uses React.js (no Flux based architectures). Others have written on drag and drop with React.js. It is worth the time to check out some of them. For example, Daniel at webcloud.se has a great article on creati