Helper for less compiler via jshost.exe

less-helper.js

LoadModule('jsstd');
LoadModule('jsio');

var thisDir = arguments[0].replace(/[^\\/]+$/, '');
var srcFile = arguments[1];
var dstFile = arguments[2];

var window = {
  location: {
    port: 80,
    href: "file:///" + srcFile.replace("\\", "/")
  },
  XMLHttpRequest: function() { }
};
var document = {
  getElementsByTagName: function() { return [] },
  createElemet: function() { }
};
var location = window.location;
var XMLHttpRequest = window.XMLHttpRequest;
XMLHttpRequest.prototype.open = function(verb, url) {
  this.status = url.indexOf("file:///") == 0 ? 0 : 200;
  this.responseText = new File(url).content;
};
XMLHttpRequest.prototype.getResponseHeader = function() {};
XMLHttpRequest.prototype.setRequestHeader = function() {};
XMLHttpRequest.prototype.send = function() {};

Exec(thisDir + 'less.js');

var less = window.less || {};

new less.Parser({ opimization: 2 }).parse(
  new File(srcFile).content,
  function (err, tree) {
    if (err) File.stdout.Write(err.message);
    (dstFile ?
      new File(dstFile).Open(File.WRONLY | File.CREATE_FILE | File.TRUNCATE) :
      File.stdout
    ).Write(tree.toCSS({ compress: true }));
  }
);