Handling paths for different OS in Node.js - '/' or '\'

nodePathHandling.js

'use strict';

const FS = require('fs');
const OS = require('os');
let EXEC_PATH = process.argv[1];
let FILE_PATH = getFilePath(EXEC_PATH);
const FILE = JSON.parse(FS.readFileSync(FILE_PATH + '/myFile.json', 'utf8'));

function getFilePath(execPath){
  let splitter = (OS.type() === "Windows_NT") ? "\\" : "/";
  let path = execPath.split(splitter);
  path.pop();
  return (path.join(splitter));
}