old_contents: // @flow
  import React from 'react';
  import ReactDOMServer from 'react-dom/server';
  import getHandler from './handler';
  
  export const onPreResponse = {
  	/*
  	 * This function processes the route response before it is sent to the client.
  	 *
  	 * - In dev, it transforms the generic 500 error response JSON into a full dev-
  	 *   friendly rendering of the stack trace.
  	 */
  	method: (request: HapiRequest, reply: HapiReply) => {
  		const response = request.response;
  
  		if (response && response.header) {
  			response.header('vary', 'User-Agent')
  		}
  
  		if (!response.isBoom || process.env.NODE_ENV === 'production') {
  			return reply.continue();
  		}
  		const error = response;
  		const { RedBoxError } = require('redbox-react');
  		const errorMarkup = ReactDOMServer.renderToString(
  			React.createElement(RedBoxError, { error })
  		);
  		const errorResponse = reply(
  			`<!DOCTYPE html><html><body>${errorMarkup}</body></html>`
  		);
  		errorResponse.code(error.output.statusCode);
  		return errorResponse;
  	},
  };
  
  /*
   * Wildcard route for all application GET requests - see the 'handler' module
   * for rendering details
   *
   * Route config:
   *
   * - `onPreResponse`: process the response before it is sent to client
   * - `state`: skip cookie validation because cookies can be set by other services
   *   on the same domain and may not conform to the validation rules that are
   *   used by Hapi
   */
  export default (languageRenderers: { [string]: LanguageRenderer }) => ({
  	method: 'GET',
  	path: '/{wild*}',
  	config: {
  		ext: {
  			onPreResponse,
  		},
  		plugins: {
  			'electrode-csrf-jwt': {
  				enabled: true, // need to generate tokens on page request
  			},
  		},
  		state: {
  			failAction: 'ignore', // ignore cookie validation, just accept
  		},
  	},
  	handler: getHandler(languageRenderers),
  });
  
new_contents: // @flow
  import React from 'react';
  import ReactDOMServer from 'react-dom/server';
  import getHandler from './handler';
  
  export const onPreResponse = {
  	/*
  	 * This function processes the route response before it is sent to the client.
  	 *
  	 * - In dev, it transforms the generic 500 error response JSON into a full dev-
  	 *   friendly rendering of the stack trace.
  	 */
  	method: (request: HapiRequest, reply: HapiReply) => {
  		const response = request.response;
  
  		response.header('vary', 'User-Agent')
  
  		if (!response.isBoom || process.env.NODE_ENV === 'production') {
  			return reply.continue();
  		}
  		const error = response;
  		const { RedBoxError } = require('redbox-react');
  		const errorMarkup = ReactDOMServer.renderToString(
  			React.createElement(RedBoxError, { error })
  		);
  		const errorResponse = reply(
  			`<!DOCTYPE html><html><body>${errorMarkup}</body></html>`
  		);
  		errorResponse.code(error.output.statusCode);
  		return errorResponse;
  	},
  };
  
  /*
   * Wildcard route for all application GET requests - see the 'handler' module
   * for rendering details
   *
   * Route config:
   *
   * - `onPreResponse`: process the response before it is sent to client
   * - `state`: skip cookie validation because cookies can be set by other services
   *   on the same domain and may not conform to the validation rules that are
   *   used by Hapi
   */
  export default (languageRenderers: { [string]: LanguageRenderer }) => ({
  	method: 'GET',
  	path: '/{wild*}',
  	config: {
  		ext: {
  			onPreResponse,
  		},
  		plugins: {
  			'electrode-csrf-jwt': {
  				enabled: true, // need to generate tokens on page request
  			},
  		},
  		state: {
  			failAction: 'ignore', // ignore cookie validation, just accept
  		},
  	},
  	handler: getHandler(languageRenderers),
  });
  
subject: remove unneeded checks from route plugin