lib/core/phaser.js
function maybeStart(priv) {
  if (priv.started) {
    return;
  }
  priv.elem.addEventListener(feature.transitionEventName, handleTransitionEnd.bind(null, priv));
  priv.started = true;
}
function maybeStart(priv) {
  if (priv.started) {
    return;
  }
  priv.elem.addEventListener(feature.transitionEventName, handleTransitionEnd.bind(null, priv));
  priv.started = true;
}
function maybeStart ( priv ) { if ( priv . started ) { return ; } priv . elem . addEventListener ( feature . transitionEventName , handleTransitionEnd . bind ( null , priv ) ) ; priv . started = true ; }
Attaches event listener to phasers DOM element, if phaser was not previously started.
Attaches event listener to phasers DOM element if phaser was not previously started .