add_d3.sh

D3FILES=`ag dispatch modules -l`

for f in $D3FILES; do
  node ./import_d3.js $f
done

import_d3.js

var fs = require('fs');
var path = require('path');

// var utilPath = path.join(path.relative(
//     path.dirname(process.argv[2]),
//     path.join(__dirname, './modules/util')), 'rebind');

// convert old-fashioned d3 event dispatching with new-fashioned
fs.writeFileSync(process.argv[2],
    fs.readFileSync(process.argv[2], 'utf8').replace(/\sdispatch.(\w+)\((.*)?\)/g, function(res, p1, p2) {
        if (p2) return ' dispatch.call("' + p1 + '", this, ' + p2 + ')';
        return ' dispatch.call("' + p1 + '")';
    }));

rebind-shift.js

/**
 * Unchains chained variable declarations.
 */
export default function transformer(file, api) {
  const j = api.jscodeshift;
  
  return j(file.source)
    .find(j.VariableDeclaration)
    .filter(p => {
      if (p.node.declarations.length !== 1) return false;
      var dec = p.node.declarations[0];
      return dec.init &&
        dec.init.type === 'CallExpression' &&
        dec.init.callee.type === 'MemberExpression' &&
        dec.init.callee.object.name === 'React' &&
        dec.init.callee.property.name === 'createClass';
    })
    .replaceWith(p => {
      p.node.kind = 'var';
      return p.node;
    })
    .toSource();
};