react_on_elixir

'use strict'
const app = require('<%= server_bundle_path %>');

// Define stdin and stdout
const stdin = process.stdin;
const stdout = process.stdout;
let component = {};

stdin.resume();
stdin.setEncoding('utf8');

function isEmpty(object) {
  for(var key in object) {
    if(object.hasOwnProperty(key)){
      return false;
    }
  }
  return true;
}

function renderToStaticMarkup(element) {
  return ReactDOMServer.renderToStaticMarkup(element);
}

function renderToString(element) {
  return ReactDOMServer.renderToString(element);
}

function handleRequest(request) {
  const componentName = request.component;
  const renderMethod = request.render_type;
  const props = JSON.parse(request.props);

  let component;

  try {
    component = eval(componentName);
  } catch (error) {
    return ['error', `Component { ${componentName} } not found`];
  }

  let render
  switch (renderMethod) {
    case undefined:
      render = renderToString;
      break;
    case 'static':
      render = renderToStaticMarkup
      break;
    default:
      render = renderToString;
      break;
  }

  return ['ok', render(React.createElement(component, props))];
}

stdin.on('data', function(data) {
  const parseData = JSON.parse(data);
  Object.assign(component, parseData);
});

stdin.on('end', function () {
  if(isEmpty(component)) {
    stdout.write(["error", "Invalid options provided \n"]);
  } else {
    const result = handleRequest(component);
    stdout.write(JSON.stringify(result));
    stdout.write('\n');
  }
});