How to access function from module.exports

Question

I have the following code in test1.js.

module.exports = function(d){
  d.demo1 = function() {
    return "DEMO 1";
  },

  d.demo2 = function() {
    return "DEMO 2";
  }
}

I am trying to access function demo1 on test2.js. Below the code which call the function.

var demo = require('./test1');
var result = demo.****;        //code to call function demo1
console.log("calling function", result); //output should be "calling function DEMO 1"

Please help how can I access this function. Thanks.

Possible duplicate of Can we call the function written in one JavaScript in another JS file? — Pugazh
– Pugazh, Commented Apr 1, 2016 at 9:35

Emil Oberg · Accepted Answer · 2016-04-01 08:52:07Z

7

It is very unclear what you're trying to achieve here.

You're exporting a function. That function will take 1 argument (d). Then you try to assign the demo1 and demo2 properties, of that received argument, to two different functions.

What I think you want to do is that you want to export an object with two different properties for those functions. E.g. doing this:

module.exports = {
  demo1: function() {
    return "DEMO 1";
  },

  demo2: function() {
    return "DEMO 2";
  }
}

Then you can import the module and access the demo1 and demo2 functions as:

var demo = require('./test1');
var result = demo.demo1();

answered Apr 1, 2016 at 8:52

Emil Oberg

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1 Comment

Raju Kumar Over a year ago

I know this, but i am trying this in different way which i ask you. Thanx i got solution from #user1280859

Vladimir G. · Accepted Answer · 2016-04-01 08:44:22Z

1

var demo = require('./test1');
var o = {};
demo(o);
o.demo1(); // "DEMO 1";

answered Apr 1, 2016 at 8:44

Vladimir G.

8857 silver badges15 bronze badges

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