filer/src/shell/environment.js

'use strict'; 
const defaults = require('../constants.js').ENVIRONMENT;

module.exports = function Environment(env) {
  env = env || {};
  env.TMP = env.TMP || defaults.TMP;
  env.PATH = env.PATH || defaults.PATH;

  this.get = function(name) {
    return env[name];
  };

  this.set = function(name, value) {
    env[name] = value;
  };
};