"use strict";

const path = require("path");

const getDirectory = ()=> {

const stackTrace = require('stack-trace');

const trace = stackTrace.get();

let folderPath = trace[2].getFileName().split(path.sep);

folderPath.pop();

folderPath = folderPath.join(path.sep);

return folderPath + path.sep;

};

const addToPath = (givenPath)=> {

if (process.env.NODE_PATH === undefined) {

process.env.NODE_PATH = givenPath;

} else {

const join = path.sep === "\\" ? ";" : ":";

process.env.NODE_PATH = process.env.NODE_PATH + join + givenPath;

}

};

const refresh = ()=> {

require("module").Module._initPaths();

};

const add = function () {

addToPath(getDirectory());

refresh();

};

module.exports = add;