CodeMod: remove const {PureRenderMixin} = React.addons;

test.js

let React = {};
React.addons = {
  PureRenderMixin: null,
};
const {PureRenderMixin} = React.addons;
const {a, b} = React.addons;

transformer.js

export default function transformer(file, api) {
  const j = api.jscodeshift;

  return j(file.source)
    .find(j.MemberExpression, {
      type: "MemberExpression",
      object: {
        name: "React",
      },
      property: {
        name: "addons",
      }
    })
    .forEach(p => {
      let hasPureMixinObj = false;
      j(p.parent)
        .find(j.Identifier, {name: "PureRenderMixin"})
        .forEach(d=>{
          if(d.value && d.value.type === 'Identifier' &&
             d.parent.parent.value.type === 'ObjectPattern'
          ){
             hasPureMixinObj = true;
          }
        });
      if(hasPureMixinObj){
       p.parent.prune();
      }
    }).toSource()
};