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41 lines
1.1 KiB
41 lines
1.1 KiB
2 years ago
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import express from 'express'
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import index from './app/index.html'
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# A simple state that exists until the server stops
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const state = {
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count: 0,
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}
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# Using Imba with Express as the server is quick to set up:
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const app = express()
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const port = process.env.PORT or 3000
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# Express works like usual, so we can allow JSON in the POST request:
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const jsonBody = express.json({ limit: '1kb' })
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app.post('/increment', jsonBody) do(req,res)
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# A good exercise here is to add validation for the request body.
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# For example, what would happen if you send a string instead of a number?
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state.count += req.body.increment
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# Sending the state back to the client lets us update it right away:
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res.send({
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count: state.count
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})
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app.get('/count') do(req,res)
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res.send({
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count: state.count
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})
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# catch-all route that returns our index.html
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app.get(/.*/) do(req,res)
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# only render the html for requests that prefer an html response
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unless req.accepts(['image/*', 'html']) == 'html'
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return res.sendStatus(404)
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res.send(index.body)
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# Express is set up and ready to go!
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imba.serve(app.listen(port))
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