esprima-webpack.js

{
  esprima: {
    transforms: [
      {
        type: 'replace',
        enter: function(node, parent) {
          if (node.type === 'VariableDeclaration') {
            var declarations = node.declarations;

            var newDeclarations = declarations.map(function(declaration) {
              if (declaration.type === 'VariableDeclarator') {
                if (declaration.init && declaration.init.type === 'CallExpression' && declaration.init.callee && declaration.init.callee.type === 'MemberExpression' && declaration.init.callee.object && declaration.init.callee.object.name === 'React' && declaration.init.callee.property && declaration.init.callee.property.name === 'createClass') {
                  var newDeclaration = declaration.init.arguments.map(function(argument) {
                    if (argument.type === 'ObjectExpression') {
                      var newPropertyArgs = argument.properties.map(function(property) {
                        if (property.type === 'Property' && property.value.type === 'ArrayExpression' && property.key.name === 'mixins') {
                          property.value.elements.push({ type: "Identifier", name: "LifecycleLogMixin" });
                          return property;
                        } else {
                          return property;
                        }
                      });
                      return newPropertyArgs;
                    } else {
                      return argument;
                    }
                  });
                  return newDeclaration;
                } else {
                  return declaration;
                }
              } else {
                return declaration;
              }
            });
          }
        }
      }
    ]
  }
}