'use strict';

function joinPath(pathArray) {
  if (pathArray.length > 0) {
    return pathArray.join('/') + '/';
  } else {
    return '';
  }
}

function resolveDotSegments(pathArray) {
  var pathAbsolute = [];

  pathArray.forEach(function (dir) {
    if (dir !== '..') {
      if (dir !== '.') {
        pathAbsolute.push(dir);
      }
    } else {
      // Remove parent
      if (pathAbsolute.length > 0) {
        pathAbsolute.splice(pathAbsolute.length - 1, 1);
      }
    }
  });

  return pathAbsolute;
}

module.exports = {
  join: joinPath,
  resolveDotSegments: resolveDotSegments,
};