addToLibrary({
  open_filepicker: function() {
    window.filePicker.show();
  },
  set_filter: function(filter) {
    window.filePicker.setFilter(Module.UTF8ToString(filter));
  },
  file_picker_confirmed: function() {
    return window.filePicker.wasConfirmed();
  },
  file_picker_closed: function() {
    return window.filePicker.wasClosed();
  },
  file_picker_cancelled: function() {
    return window.filePicker.wasCancelled();
  },
  get_first_file: function() {
    if (window.filePicker.wasConfirmed()) {
      let output = window.filePicker.getFirstFile();
      let len = Module.lengthBytesUTF8(output) + 1;
      let outptr = Module._malloc(len);
      for (let i = 0; i < len; i++) {
        setValue(outptr + i, 0, 'i8');
      }
      Module.stringToUTF8(output, outptr, len);
      return outptr;
    } else {
      return 0;
    }
  },
  file_picker_visible: function() {
    return window.filePicker.visible;
  },
  file_picker_loading: function() {
    return window.filePicker.loading;
  },
  clear_file_selection: function() {
    window.filePicker.clearSelection();
  },
  get_size: function(x, y) {
    let canvas = document.getElementById("canvas");
    setValue(x, canvas.offsetWidth, "i32");
    setValue(y, canvas.offsetHeight, "i32");
  },
  is_puter_enabled: function() {
    return window.filePicker.puterEnabled;
  },
  enable_puter: function(enable) {
    window.filePicker.puterEnabled = enable;
  },
  quit: function() {
    puter.ui.exit();
  }
})