index.js

import 'babel-polyfill';

import fs from 'fs';
import Benchmark from 'benchmark';
import React from 'react';
import {Provider} from 'react-redux';
import {renderToString} from 'react/dist/react.min';
import {getDataDependencies} from 'relate-js';

import createStore from './src/create-store';
import RootComponent from './src/components';

function getComp () {
  const store = createStore();

  return (
    <Provider store={store}>
      <RootComponent />
    </Provider>
  );
}

function getData (query) {
  return {
    data: {
      pages: [
        {
          _id: 'a',
          title: 'A'
        },
        {
          _id: 'b',
          title: 'B'
        }
      ],
      page: {
        _id: 'c',
        title: 'C',
        date: 123
      }
    },
    errors: null
  };
}

async function checkResult () {
  const store = createStore();

  const component = (
    <Provider store={store}>
      <RootComponent />
    </Provider>
  );

  await getDataDependencies(component, getData);
  const result = renderToString(component);
  fs.writeFile('./build/result.html', result, (err) => {
    if (err) {
      return console.log(err);
    }

    console.log('Result saved!');
    console.log(store.getState());
  });
}

async function renderRoute (component) {
  await getDataDependencies(component, getData);
  renderToString(component);
}

async function renderRouteRelate (component) {
  await getDataDependencies(component, getData);
}

const suite = new Benchmark.Suite;

function output (bench) {
  console.log(bench.name);
  console.log('Mean:', bench.stats.mean * 1000, 'ms');
  console.log('Std dev:', bench.stats.deviation * 1000, 'ms');
}

suite
  .add('Relate + React', {
    defer: true,
    fn: (deferred) => {
      renderRoute(getComp())
        .then(() => {
          deferred.resolve();
        })
        .catch((error) => {
          console.log('error', error);
          deferred.reject();
        });
    }
  })
  .add('Relate', {
    defer: true,
    fn: (deferred) => {
      renderRouteRelate(getComp())
        .then(() => {
          deferred.resolve();
        })
        .catch((error) => {
          console.log('error', error);
          deferred.reject();
        });
    }
  })
  .add('React', {
    fn: () => {
      renderToString(getComp());
    }
  })
  .on('complete', function () {
    output(this[0]);
    output(this[1]);
    output(this[2]);
    checkResult();
  })
  .run();