List all fonts for Photoshop

font-list.jsx

function PostScriptNameRenderer(element) {
  return element ? element.postScriptName : undefined;
}

function getFont(renderer) {
  var list = app.fonts;
  var result = [];
  var name;
  var i;
  if (renderer) {
    for (i = 0; i < list.length; i++) {
      name = renderer(list[i]);
      result.push(name);
    }
  }
  return result;
}

var result = getFont(PostScriptNameRenderer);
for (var i = 0; i < result.length; i++) {
  $.writeln(result[i]);
}