juanmard/icestudio

/**
 * Icetudio > Sigrok > Pulseview integration
 *
 * @category   icestudio Plugins
 * @package    iceRok
 * @author     Carlos Venegas (cavearr at github, @cavearr at twitter)
 * @copyright  2020 FPGAwars
 * @license    https://github.com/FPGAwars/icestudio/blob/develop/LICENSE  GPL v2
 * @version    1.0
 * @link       https://github.com/FPGAwars/icestudio/
 **/
//-- like jQuery, no compatibility with older browsers
window.$ = function (selector) {
  let selectorType = 'querySelectorAll';

  if (selector.indexOf('#') === 0) {
    selectorType = 'getElementById';
    selector = selector.substr(1, selector.length);
  }

  return document[selectorType](selector);
};

function elToggleClass(el, classname) {
  if (el.classList) {
    el.classList.toggle(classname);
  } else {
    if (elHasClass(el, classname)) {
      elRemoveClass(el, classname);
    } else {
      elAddClass(el, classname);
    }
  }
}
function elHasClass(el, className) {
  if (el.classList) {
    return el.classList.contains(className);
  }
  return !!el.className.match(new RegExp('(\\s|^)' + className + '(\\s|$)'));
}

function elAddClass(el, className) {
  if (el.classList) {
    el.classList.add(className);
  } else if (!hasClass(el, className)) {
    el.className += ' ' + className;
  }
}

function elRemoveClass(el, className) {
  if (el.classList) {
    el.classList.remove(className);
  } else if (hasClass(el, className)) {
    var reg = new RegExp('(\\s|^)' + className + '(\\s|$)');
    el.className = el.className.replace(reg, ' ');
  }
}