calling a function in another file in javascript using node.js

Question

I have a problem, i am trying to create an object that i can use over and over in a separate javascript file. I have a file called foo.js and another file called boo.js. I want to create the object in boo.js In my server.js file i required foo.js, and it works fine i can access foo.js. I want to be able to access boo.js from foo.js. I keep getting errors when i require boo.js in foo.js and i cant access it. Is There a way to do this?

here is my code

//boo.js
var obj = function () {
   return {
     data: 'data'
  }
}

module.exports = {
  obj: obj
}

foo.js

//foo.js

var request = require('request');
var x = require('./modules/boo')
var random= function() {
    return x.obj();
}

module.exports = {
  random: random
}

What is the error you're getting "when i require boo.js in foo.js?" Where are the files located in relation to each other? Are they in the same or different directories? — Jonathan Lonowski
– Jonathan Lonowski, Commented Oct 14, 2016 at 23:33
i get the error cant find module boo, they are both in the same directory. — inhaler
– inhaler, Commented Oct 14, 2016 at 23:38
i changed my file path for boo from ./modules/boo to ./boo and it worked. — inhaler
– inhaler, Commented Oct 14, 2016 at 23:41

Ryan · Accepted Answer · 2016-10-14 23:41:24Z

1

If they are in the same directory you will want to require like so var x = require('./boo'). The ./ is relative to the current directory.

answered Oct 14, 2016 at 23:41

Ryan

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Jonathan Lonowski · Accepted Answer · 2016-10-14 23:49:54Z

0

they are both in the same directory

In that case, you'll want to remove the modules/ from the path:

var x = require('./boo');

require() is aware of the current script's location and bases relative paths from the script's own parent directory.

The ./ at the start of the path will refer to the same directory as __dirname, which seems to be modules/.

console.log(__dirname);
// "/project-path/modules"

Including modules/ in the path will result in doubling it:

var path = require('path');

console.log(path.resolve(__dirname, './modules/boo'));
// "/project-path/modules/modules/boo"

(Side note: The fs module does not behave the same way. Relative paths for it are based from the current working directory or process.cwd().)

edited Oct 14, 2016 at 23:49

answered Oct 14, 2016 at 23:42

Jonathan Lonowski

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