1.sh

mkdir my-app && cd my-app && npm init -y && npm i --save express

10.js

app.get("/posts/:postName", async (req, res) => {
	const cwd = process.cwd();
  	const {postName} = req.params;
  	const path = cwd + '/content/wp-json' + '/posts/' + postName + '.json';
  	const exists = fs.existsSync(path);
	if (exists) {
		const post = require(path);
		res.json(post.data);
	} else {
		try{
			const site = await require('wpapi')
				.discover('https://calderaforms.com');
			try{
				const post = await site.posts().slug(postName);
				if( post.length ){
					await fs.writeFileSync(path,JSON.stringify(post[0]));
					return res.json(post[0]);
				}
				res.status(404);
				res.json(notFound);
			}catch (e) {
				res.status(500);
				return res.json(e);
			}
		}catch (e) {
			res.status(500);
			return res.json(e);
		}
	}
});

10.sh

npm i --save react react-dom react-oembed-container

11.js

app.get( "/", async(req, res) => {
	const server = require( 'react-dom/server');
	const React = require( 'react');
	const { renderToString } =  server;
	const cwd = process.cwd();
	const postName = 'hello-world';
	const path = cwd + '/content/wp-json' + '/posts/' + postName + '.json';
	const exists = fs.existsSync(path);
	if (exists) {
		const post = require(path).data;
		return res.send(renderToString( React.createElement('article',{
				id: `post-${post.id}`
			},[
				React.createElement('h2', {}, post.title.rendered),
				React.createElement('div', {dangerouslySetInnerHTML: {__html: post.content.rendered}}, ),
			]
		)));

	}
});

2.js

const express = require( 'express' );
const app = express();
app.get("/", (req, res) => {
  res.send(`Hi Roy!`);
});
const server = app.listen(process.env.PORT, () => {
  console.log("Started at http://localhost:%d\n", server.address().port);
});

3.js

res.status(418); //Set status code to indicate to client that server is a teapot

4.js

return res.json({url: 'https://i.kym-cdn.com/photos/images/original/000/626/354/cea.jpg' }); //Return this object as JSON, with the right headers and stuff

5.js

app.get("/posts/:postName", (req, res) => {
	const cwd = process.cwd();
	const {postName} = req.params;
	return res.json({postName});//returns the second part of the URL
});

6.js

app.get("/posts/:postName", (req, res) => {
	const cwd = process.cwd();
  	const {postName} = req.params;
  	const path = cwd + '/content/wp-json/posts/' + postName + '.json';
  	const post = require(path);
	res.json(post.data);
});

7.js

const notFound = {
	code: "rest_post_invalid_id",
	message: "Invalid post ID.",
	data: {
		status: 404
	}
};

app.get("/posts/:postName", (req, res) => {
	const cwd = process.cwd();
	const {postName} = req.params;
	const path = cwd + '/content/wp-json/posts/' + postName + '.json';
	const exists = fs.existsSync(path);
	if (exists) {
		const post = require(path);
		res.json(post.data);
	} else {
		res.status(404);
		res.json(notFound);
	}
});

8.sh

npm install --save wpapi

9.js

async () => {
	const site = await require('wpapi')
		.discover('https://calderaforms.com');
};