Created
August 29, 2018 22:38
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Simple No Modules pure Node Example
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| /* | |
| * Primary file for API | |
| * | |
| */ | |
| // Dependencies | |
| var http = require('http'); | |
| var url = require('url'); | |
| var StringDecoder = require('string_decoder').StringDecoder; | |
| // Configure the server to respond to all requests with a string | |
| var server = http.createServer(function(req,res){ | |
| // Parse the url | |
| var parsedUrl = url.parse(req.url, true); | |
| // Get the path | |
| var path = parsedUrl.pathname; | |
| var trimmedPath = path.replace(/^\/+|\/+$/g, ''); | |
| // Get the query string as an object | |
| var queryStringObject = parsedUrl.query; | |
| // Get the HTTP method | |
| var method = req.method.toLowerCase(); | |
| //Get the headers as an object | |
| var headers = req.headers; | |
| // Get the payload,if any | |
| var decoder = new StringDecoder('utf-8'); | |
| var buffer = ''; | |
| req.on('data', function(data) { | |
| buffer += decoder.write(data); | |
| }); | |
| req.on('end', function() { | |
| buffer += decoder.end(); | |
| // Check the router for a matching path for a handler. If one is not found, use the notFound handler instead. | |
| var chosenHandler = typeof(router[trimmedPath]) !== 'undefined' ? router[trimmedPath] : handlers.notFound; | |
| // Construct the data object to send to the handler | |
| var data = { | |
| 'trimmedPath' : trimmedPath, | |
| 'queryStringObject' : queryStringObject, | |
| 'method' : method, | |
| 'headers' : headers, | |
| 'payload' : buffer | |
| }; | |
| // Route the request to the handler specified in the router | |
| chosenHandler(data,function(statusCode,payload){ | |
| // Use the status code returned from the handler, or set the default status code to 200 | |
| statusCode = typeof(statusCode) == 'number' ? statusCode : 200; | |
| // Use the payload returned from the handler, or set the default payload to an empty object | |
| payload = typeof(payload) == 'object'? payload : {}; | |
| // Convert the payload to a string | |
| var payloadString = JSON.stringify(payload); | |
| // Return the response | |
| res.setHeader('Content-Type', 'application/json'); | |
| res.writeHead(statusCode); | |
| res.end(payloadString); | |
| console.log("Returning this response: ",statusCode,payloadString); | |
| }); | |
| }); | |
| }); | |
| // Start the server | |
| server.listen(3000,function(){ | |
| console.log('The server is up and running now'); | |
| }); | |
| // Define all the handlers | |
| var handlers = {}; | |
| // Sample handler | |
| handlers.sample = function(data,callback){ | |
| callback(406,{'name':'sample handler'}); | |
| }; | |
| // Not found handler | |
| handlers.notFound = function(data,callback){ | |
| callback(404); | |
| }; | |
| // Define the request router | |
| var router = { | |
| 'sample' : handlers.sample | |
| }; |
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