Function _fromTo

esm/Flip.js:513–876

(fromState, toState, vars, relative)

  }
},
    _fromTo = function _fromTo(fromState, toState, vars, relative) {
  // relative is -1 if "from()", and 1 if "to()"
  fromState instanceof FlipState && toState instanceof FlipState || console.warn("Not a valid state object.");
  vars = vars || {};

  var _vars = vars,
      clearProps = _vars.clearProps,
      onEnter = _vars.onEnter,
      onLeave = _vars.onLeave,
      absolute = _vars.absolute,
      absoluteOnLeave = _vars.absoluteOnLeave,
      custom = _vars.custom,
      delay = _vars.delay,
      paused = _vars.paused,
      repeat = _vars.repeat,
      repeatDelay = _vars.repeatDelay,
      yoyo = _vars.yoyo,
      toggleClass = _vars.toggleClass,
      nested = _vars.nested,
      _zIndex = _vars.zIndex,
      scale = _vars.scale,
      fade = _vars.fade,
      stagger = _vars.stagger,
      spin = _vars.spin,
      prune = _vars.prune,
      props = ("props" in vars ? vars : fromState).props,
      tweenVars = _copy(vars, _reserved),
      animation = gsap.timeline({
    delay: delay,
    paused: paused,
    repeat: repeat,
    repeatDelay: repeatDelay,
    yoyo: yoyo,
    data: "isFlip"
  }),
      remainingProps = tweenVars,
      entering = [],
      leaving = [],
      comps = [],
      swapOutTargets = [],
      spinNum = spin === true ? 1 : spin || 0,
      spinFunc = typeof spin === "function" ? spin : function () {
    return spinNum;
  },
      interrupted = fromState.interrupted || toState.interrupted,
      addFunc = animation[relative !== 1 ? "to" : "from"],
      v,
      p,
      endTime,
      i,
      el,
      comp,
      state,
      targets,
      finalStates,
      fromNode,
      toNode,
      run,