Export module after promise completes

javascript, node-modules, node.js

Solution

This is my code

read.js

var dir = require('node-dir');

var files = new Promise(function (resolve, reject) {
    dir.files('../sample/sample.txt', function (err, res){
        if (err) {
            reject(err);
            console.log('Oops, an error occured %s', err);
        }
        else {
            resolve(res);
        }
    });
});

exports.files = files;

And then use it as such on the file that imports this module.

app.js

var read = require('read.js');

read.files.then(function(res) {
    console.log(res);
});

Your revised code

read.js

var dir = require('node-dir');

var files = function(){
    return new Promise(function (resolve, reject) {
        dir.files('../sample/sample', function (err, res){
            if (err) {
                    reject(err);
                    console.log('Oops, an error occured %s', err);
            }
            else {
                      resolve(res);
                      return res;
              }
        });
    });
}

exports.files = files;

app.js

var read = require('read.js');

read.files().then(function(res) {
    console.log(res);
});

Hope that helps.

Problem

I actually want to put the "read" function in a different module and then require it in my main app.js. (I'm quite new to using promises) [REVISED] ``` var dir = require('node-dir'); var files = function getFiles(){ return new Promise(function (resolve, reject) { dir.files('../sample/sample', function (err, res){ if (err) { reject(err); console.log('Oops, an error occured %s', err); } else { resolve(res); return res; } }); }); } console.log(files); module.exports = files; ``` UPDATE AGAIN: ``` //read.js var dir = require('node-dir'); var Promise = require('promise'); module.exports = new Promise(function (resolve, reject) { dir.files('../sample/sample', function (error, results){ if (error) { reject(error); console.log('Oops, an error occured %s', err); } else { resolve(results); } }); }) //app.js var filelist = require('./read'); filelist.then(function (res){ console.log(res); }) ``` How do I go about that? I've tried "return new promise..." and putting the whole thing in a getFile function, but it doesn't return anything. What am I doing wrong?

Original source