React Boilerplate for Dynamic Rendering

Reboil dynamic is educational purpose project that have simple easy to understand setup for SEO friendly React. Contain this feature:

1. Client Side Rendering
2. SEO Friendly (dynamic rendering using puppeter for screen reader user agent)
3. Fast Refresh!
4. New JSX Transform (no need to import React manually)
5. React Router V5
6. React Helmet to manage document head
7. Fastify as a web server
8. Tools configured: ESLint, Prettier, Typescript, Husky and Lint Staged.
9. Testing with Jest and React Testing Library
10. CSS Support with vanilla-extract!

How the dynamic rendering work:

1. Fastify check for user agent and type of the request (if its requesting document or assets) on every request.
2. If its crawler, access the webpage with headless chrome via puppeter and send the html. Some key point that need to take a note when we access our page in puppeter:
   • we only request for resource that help DOM production (document, script, fetch, xhr)
   • we do not load analytic script as it could produce unintended pageviews and prevent executing unnecessary code. The list can be extend if we have other script that does not help for DOM production
3. If its regular user, serve as regular static client rendered page

If we ever want to change status code for server response to crawler. e.g: You have 404 page and does not want crawler to index because you return status code 200. With react-helmet, add meta tags:

<meta name="render:status_code" content="4xx" />

server will check for this status code and replace default 200 code when you serve error page.

Development

Client

Run this script and start modify the code inside /src/client.

yarn server:dev

Server

There is no hmr installed for server code development currently, so everytime we update code, we need to run this. Codes is inside /src/server.

yarn server:build && yarn server:start

Scripts

Lists of script you can run within this project.

Command (yarn or npm)	Description
lint	Lint all files
prettier:format	Format all files with prettier
prettier:check	Check codes format only without emmitting
client:test	Run test for client (frontend) codes
client:dev	Run client code in development mode with hmr and fast refresh
client:build	Build client codes for production to /dist/client
client:build:analyze	Build client and analyze bundle size
client:check-types	Client type checking
server:build	Build server codes for production to /dist/server
server:start	Start server, ideally run this after build
server:check-types	Server type checking
validate	Validate all code with type checking, prettier check and linter