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Reactive Functional Programming in NodeJS with Most.js
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'use static'; | |
const http = require('http'); | |
const most = require('most'); | |
const port = 3000; | |
const server = http.createServer(); | |
most.fromEvent('listening', server).forEach(() => { | |
console.log(`Server started on port ${port}`); | |
}); | |
server.on('request', (request, response) => { | |
response.writeHead(402, {"Content-Type": "text/plain"}); | |
response.write('Hello world'); | |
response.end(); | |
}); | |
const requests = most.fromEvent('request', server).map((e) => { | |
return { | |
request: e[0], | |
response: e[1] | |
}; | |
}); | |
const reqPlain = requests.map((e) => { | |
e.response.writeHead(200, {'Content-Type': 'text/plain'}); | |
return e; | |
}); | |
function close(e) { | |
e.response.end(); | |
} | |
function get(e) { | |
return e.requet.method == 'GET'; | |
} | |
function post(e) { | |
return e.requet.method == 'POST'; | |
} | |
reqPlain.filter(post) | |
.map((e) => { | |
e.response.write('Hello POST'); | |
return e; | |
}) | |
.forEach(close); | |
reqPlain.filter(get) | |
.map((e) => { | |
e.response.write('Hello GET'); | |
return e; | |
}) | |
.forEach(close); | |
server.listen(port); |
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