@sammwy/milkshake/src/preprocessors/concatenation.js

<p align="center"> <img src="https://raw.githubusercontent.com/sammwyy/milkshake/master/docs/milkshake.png" height="64px"> <h1 align="center">MilkShake</h1> <p align="center"> <b>Automatize Tasks, Compile, concatenate and minify automaticall

const fs = require("fs");
const path = require("path");

exports.concat = (directory) => {
    return new Promise ( (resolve, reject) => {
        fs.readdir(directory, function (err, files) {
            if (err) {
                return console.log('Unable to scan directory: ' + err);
            } 

            let count = 0;
            let body = [];

            for (let file of files) {
                fs.readFile(path.join(directory, file), (err, buffer) => {
                    let content = buffer.toString();
                    body.push(content);
                    count++;

                    if (count == files.length) {
                        resolve(body);
                    }
                })
            }
        });
    });
}