Client side rendering

// index.js
import * as React from 'react';
import { renderToString } from 'react-dom/server';
...
router.get("/", (req, res) => {
  ...
  // Renders the App component statically
  const html = renderToString(<App name={name} />);
  res.agnosticRender(html, {
    name,
  });
});

router.get("/published", (req, res) => {
  ...
  res.json({
    date,
  });
});

// main.js
import * as React from "react";
import ReactDOM from "react-dom";
import App from "./components/App";

export default (initialState, el) => {
   /* Update the rendered App component to
      include client side functionallity.
      
      E.g. to trigger a request on button click
      and display the fetched value.
   */
  ReactDOM.hydrate(<App name={initialState.name} />, el);
};

// components/App.js
import * as React from "react";
import PropTypes from "prop-types";
import router from "@sitevision/api/common/router";

// client side SDK
import toasts from "@sitevision/api/client/toasts";
import requester from "@sitevision/api/client/requester";


const App = ({ name }) => {
  // function to trigger on button click
  const moreInfo = () => {
    // send request to the /published route
    requester
      .doGet({
        url: router.getStandaloneUrl("/published"),
      })
      .then(({ date }) => {
        // Display date in a toast
        toasts.publish({
          ttl: 5,
          message: `Last published ${date}`,
        });
      });
  };

  // If no client side functionallity included onClick would never trigger
  return (
    <>
      <div className="env-text-h4">Welcome to {name}!</div>
      <button
        onClick={moreInfo}
        className="env-button env-button--primary env-button--large"
      >
        Latest publish
      </button>
    </>
  );
};

App.propTypes = {
  name: PropTypes.string,
};

export default App;

// index.js
...
router.get("/", (req, res) => {
  ...
  res.agnosticRender('', {
    name,
  });
});

// main.js
import * as React from "react";
import ReactDOM from "react-dom";
import App from "./components/App";

export default (initialState, el) => {
  // Render the App component
  ReactDOM.render(<App name={initialState.name} />, el);
};