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@appigram/react-code-split-ssr

v1.2.16

Published

React code splitting with SSR

Downloads

85

Readme

React Code Split SSR

React code splitting with server side rendering

How it works

  • Based on React Router 6
  • Server side: Load all components synchronously, then render to string.
  • Client side: Load the initial component before rendering, render the entire screen synchronously, then load the rest of routes asynchronously.

Note: This packages is only tested in Meteor projects, but technically it can be used in any Nodejs projects. Here is an example with Meteor

Usage

$ npm i react-code-split-ssr --save

Client/server shared:

import { Bundle } from 'react-code-split-ssr'
import React from 'react'

const Home = () => <Bundle mod={import('/imports/modules/home')} />
const Posts = () => <Bundle mod={import('/imports/modules/posts')} />

export const routes = [
  { exact: true, path: '/', component: Home },
  { exact: true, path: '/posts', component: Posts },
]

Client:

import  React from 'react'
import { render } from 'react-dom'
import { matchPath } from 'react-router'
import { BrowserRouter, Route, Switch } from 'react-router-dom'
import { generateRoutes } from 'react-code-split-ssr'
import { routes, redirects } from '/imports/routes'
// import some components...

/* In an async function */
const Routes = await generateRoutes({
  routes,
  redirects,
  notFoundComp: NotFound,
  pathname: window.location.pathname,
})
render(
  <BrowserRouter>
    <Layout>
      <Routes />
    </Layout>
  </BrowserRouter>,
  document.getElementById('app'),
)

Server:

import { Route, StaticRouter, Switch } from 'react-router'
import React from 'react'
import { renderToString } from 'react-dom/server'
import { generateRoutes } from 'react-code-split-ssr'
import { routes, redirects } from '/imports/routes'
// import some components...

/* In an async server router */
const Routes = await generateRoutes({
  routes,
  redirects,
  notFoundComp: NotFound,
  pathname: req.url
})

const ServerRoutes = ({url, context = {}}) => (
  <StaticRouter
    location={url.pathname}
    context={context}
  >
    <Layout>
      <Routes />
    </Layout>
  </StaticRouter>
)
const bodyHtmlString = renderToString(<ServerRoutes url={sink.request.url} />)
// Use bodyHtmlString to where you need

API

Bundle - React Component <Bundle>

Props

  • mod {Promise} Required - A Promise object which can be resolved to React Component
  • loading {Component} - A React Component

generateRoutes - Func (object: Options)

A function that returns a Promise object which can be resolved to React Router routes wrapped in <Switch>

Options

  • pathname {string} Required - Pathname for initial loading
  • routes {objects}[] Required - An array of <Route> props object
    • component field only accepts () => <Bundle/>
    • location, render fields are currently not supported
  • redirects {objects}[] - An array of <Redirect> props object
  • notFoundComp {Component} - A React component for 404 Not Found, only accepts () => <Bundle/>

v1.2.0

  • [x] Remove redirects, Fix React-Router v6 specific rendering

v1.1.0

  • [x] Upgrade to React-Router v6

v1.0.0

  • [ ] SSR correctly for redirected routes
  • [X] Change notFoundComp to () => <Bundle />
  • [ ] Add more argument validations