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write module source code to file and then load as node module

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async.js
JavaScript
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var http = require('http');
var fs = require('fs');
 
var helloModuleString = "exports.world = function() { return 'Hello World\\n'; }";
fs.writeFile('./hello.js', helloModuleString, function (err) {
if (err) return console.log(err);
var hello = require('./hello');
 
http.createServer(function (req, res) {
res.writeHead(200, {'Content-Type': 'text/plain'});
res.end(hello.world());
}).listen(1337, '127.0.0.1');
 
console.log('Server running at http://127.0.0.1:1337/');
});
sync.js
JavaScript
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var http = require('http');
var fs = require('fs');
 
var helloModuleString = "exports.world = function() { return 'Hello World\\n'; }";
fs.writeFileSync('./hello.js', helloModuleString);
var hello = require('./hello');
 
http.createServer(function (req, res) {
res.writeHead(200, {'Content-Type': 'text/plain'});
res.end(hello.world());
}).listen(1337, '127.0.0.1');
 
console.log('Server running at http://127.0.0.1:1337/');

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