How to use the baconjs.fromEventTarget function in baconjs

textBody(req, function(err, body) {
    s_closed[body] = Bacon.fromEventTarget(res, "close").map(true).toProperty(false);
    s_closed[body].onValue();
  });
});

touchend(el) {
    return Bacon.fromEventTarget(el, 'touchend');
  },

click(el) {
    return Bacon.fromEventTarget(el, 'click');
  },

'use strict';

import Bacon   from 'baconjs';
import keycode from 'keycode';

const EVENT_KEYUP = Bacon.fromEventTarget(document, 'keyup');
const EVENT_KEYDOWN = Bacon.fromEventTarget(document, 'keydown');

/**
 * create EventStream from user input
 */
export default {
  /**
   * @param {String|Number} charKey
   * @returns {EventStream}
   */
  key(charKey) {
    let keyCode = typeof charKey === 'string' ? keycode(charKey)
                                              : charKey;
    return EVENT_KEYUP.filter(keyCodeIs(keyCode));
  },

  /**

mousemove(el = document.body) {
    return Bacon.fromEventTarget(el, 'mousemove');
  },

resize() {
    return Bacon.fromEventTarget(window, 'resize');
  },

function resizeEventStream() {
  return Bacon.fromEventTarget(window, 'resize').debounce(250);
}

'use strict';

import Bacon   from 'baconjs';
import keycode from 'keycode';

const EVENT_KEYUP = Bacon.fromEventTarget(document, 'keyup');
const EVENT_KEYDOWN = Bacon.fromEventTarget(document, 'keydown');

/**
 * create EventStream from user input
 */
export default {
  /**
   * @param {String|Number} charKey
   * @returns {EventStream}
   */
  key(charKey) {
    let keyCode = typeof charKey === 'string' ? keycode(charKey)
                                              : charKey;
    return EVENT_KEYUP.filter(keyCodeIs(keyCode));
  },

touchmove(el) {
    return Bacon.fromEventTarget(el, 'touchmove');
  },