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generateHTML.js
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generateHTML.js
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import React from "react"
import ReactDOMServer from "react-dom/server"
import fs from "fs"
import Footer from "./app/components/Footer"
import Header from "./app/components/Header"
import LoadingDotsIcon from "./app/components/LoadingDotsIcon"
import { StaticRouter as Router } from "react-router-dom/server"
import StateContext from "./app/StateContext"
function Shell() {
return (
<StateContext.Provider value={{ loggedIn: false }}>
<Router>
<Header staticEmpty={true} />
<div className="py-5 my-5 text-center">
<LoadingDotsIcon />
</div>
<Footer />
</Router>
</StateContext.Provider>
)
}
const startOfHTML = `<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta http-equiv="X-UA-Compatible" content="ie=edge" />
<title>OurApp</title>
<link href="https://fonts.googleapis.com/css?family=Public+Sans:300,400,400i,700,700i&display=swap" rel="stylesheet" />
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" crossorigin="anonymous" />
<script defer src="https://use.fontawesome.com/releases/v5.5.0/js/all.js" integrity="sha384-GqVMZRt5Gn7tB9D9q7ONtcp4gtHIUEW/yG7h98J7IpE3kpi+srfFyyB/04OV6pG0" crossorigin="anonymous"></script>
<link rel="stylesheet" href="/main.css" />
</head>
<body>
<div id="app">`
const endOfHTML = `</div>
</body>
</html>`
/* Use Node tools (outside the scope of this course) to setup a
stream we can write to that saves to a file on our hard drive
*/
const fileName = "./app/index-template.html"
const writeStream = fs.createWriteStream(fileName)
// Add the start of our HTML template to the stream
writeStream.write(startOfHTML)
/*
Add the actual React generated HTML to the stream.
We can use ReactDomServer (you can see how we imported
that at the very top of this file) to generate a string
of HTML text that a Node stream can leverage.
*/
const myStream = ReactDOMServer.renderToPipeableStream(<Shell />, {
onAllReady() {
myStream.pipe(writeStream)
// End the stream with the final bit of our HTML
writeStream.end(endOfHTML)
}
})