es6-tween - npm Package Compare versions

Comparing version 3.1.0 to 3.3.0

dist/Tween.js

@@ -28,3 +28,3 @@ (function (global, factory) {
   if (_autoPlay && !isStarted) {
-    update();
+    _tick = _ticker(update);
     isStarted = true;
@@ -50,6 +50,7 @@ }
   for (var id in _tweens) {
-    _tweens[+id] = null;
-    delete _tweens[+id];
+    _tweens[id] = null;
+    delete _tweens[id];
   }
   _tweens.length = 0;
+  _stopTicker(_tick);
 };
@@ -60,3 +61,3 @@
     if (tween.id === +searchTween) {
-      return _tweens[+searchTween]
+      return _tweens[searchTween]
     }
@@ -75,6 +76,9 @@ }
     if (tween.id === +searchTween) {
-      delete _tweens[+searchTween];
+      delete _tweens[searchTween];
       _tweens.length--;
     }
   }
+  if (_tweens.length === 0) {
+    _stopTicker(_tick);
+  }
 };
@@ -108,7 +112,7 @@
 
-  if (_autoPlay) {
-    _tick = _ticker(update);
-  }
+  _tick = _ticker(update);
 
-  if (_tweens.length === 0) {
+  var i;
+  var length = _tweens.length;
+  if (!length) {
     isStarted = false;
@@ -119,9 +123,4 @@ _stopTicker(_tick);
 
-  for (var i in _tweens) {
-    if (_tweens[i].update(time) || preserve) {
-      i++;
-    } else {
-      delete _tweens[+i];
-      _tweens.length--;
-    }
+  for (i in _tweens) {
+    _tweens[i].update(time, preserve);
   }
@@ -132,2 +131,4 @@
 
+var isRunning = function () { return isStarted; };
+
 var Plugins = {};
@@ -141,8 +142,6 @@
   doc.addEventListener('visibilitychange', function () {
-    if (_tweens.length === 0) {
-      return false
-    }
-
     if (document.hidden) {
       timePause = now();
+      _stopTicker(_tick);
+      isStarted = false;
     } else {
@@ -154,2 +153,4 @@ timeDiff = now() - timePause;
       }
+      _tick = _ticker(update);
+      isStarted = true;
     }
@@ -477,3 +478,3 @@
     Linear: function Linear (p0, p1, t) {
-      return typeof p1 === 'function' ? p1(t) : (p1 - p0) * t + p0
+      return typeof p0 === 'function' ? p0(t) : (p1 - p0) * t + p0
     },
@@ -632,4 +633,2 @@
   } else if (!Array.isArray(start) && Array.isArray(end)) {
-    end.unshift(start);
-    end.push(end[end.length - 1]);
     return end.map(function (v, i) { return SubTween(i === 0 ? start : end[i - 1], v); })
@@ -646,3 +645,3 @@ } else {
     if (tween) {
-      return tween
+      return Object.assign(Store[node], tween)
     }
@@ -660,7 +659,2 @@ return Store[node]
 
-EventClass.prototype.bind = function bind (scope) {
-  this._bind = scope;
-  return this
-};
-
 EventClass.prototype.on = function on (event, callback) {
@@ -676,2 +670,4 @@ if (!this._events[event]) {
 EventClass.prototype.once = function once (event, callback) {
+    var this$1 = this;
+
   if (!this._events[event]) {
@@ -683,3 +679,2 @@ this._events[event] = [];
     var _events = ref._events;
-    var _bind = ref._bind;
   var spliceIndex = _events[event].length;
@@ -690,3 +685,3 @@ this._events[event].push(function () {
 
-    callback.apply(_bind, args);
+    callback.apply(this$1, args);
     _events[event].splice(spliceIndex, 1);
@@ -717,3 +712,2 @@ });
     var _events = ref._events;
-    var _bind = ref._bind;
 
@@ -727,3 +721,3 @@ if (event === undefined || !_events[event]) {
   for (var i = 0, length = _event.length; i < length; i++) {
-    _event[i].call(_bind, arg1, arg2, arg3, arg4);
+    _event[i](arg1, arg2, arg3, arg4);
   }
@@ -747,12 +741,14 @@ };
 var Tween = (function (EventClass$$1) {
-  function Tween (object, instate) {
-    if ( object === void 0 ) object = {};
-
+  function Tween (node, object) {
     EventClass$$1.call(this);
 
-    if (object.node) {
-      this.node = object.node;
-      delete object.node;
+    this.id = nextId();
+    if (typeof node === 'object' && !object && !node.nodeType) {
+      object = this.object = node;
+      node = null;
+    } else if (typeof node !== 'undefined') {
+      this.node = node;
+      object = this.object = NodeCache(node, object);
+      this.object.node = node;
     }
-    this.object = NodeCache(this.node, object);
     this._valuesStart = Tween.createEmptyConst(object);
@@ -775,10 +771,5 @@ this._valuesEnd = Tween.createEmptyConst(object);
     this._pausedTime = null;
-    this.id = nextId();
     this._plugins = {};
+    this._isFinite = true;
 
-    if (instate && instate.to) {
-      return new Tween(object)
-        .to(instate.to, instate)
-    }
-
     return this
@@ -791,5 +782,8 @@ }
 
-  Tween.fromTo = function fromTo (from, instance) {
-    return new Tween(from, instance)
+  Tween.prototype.timeout = function timeout (fn, delay) {
+    return new Tween({x: 0}).to({x: 1}, delay).on('complete', fn)
   };
+  Tween.prototype.interval = function interval (fn, delay) {
+    return new Tween({x: 0}).to({x: 1}, delay).repeat(Infinity).on('repeat', fn)
+  };
 
@@ -910,4 +904,6 @@ Tween.createEmptyConst = function createEmptyConst (oldObject) {
     var ref = this;
+    var _valuesStart = ref._valuesStart;
     var _valuesEnd = ref._valuesEnd;
     var object = ref.object;
+    var _plugins = ref._plugins;
 
@@ -917,14 +913,14 @@ for (var property in _valuesEnd) {
       if (isPluginProp) {
-        isPluginProp = this$1._plugins[property] = new Plugins[property](this$1, object[property], _valuesEnd[property]);
+        isPluginProp = _plugins[property] = new Plugins[property](this$1, object[property], _valuesEnd[property]);
         isPluginProp.preprocess && isPluginProp.preprocess(object[property], _valuesEnd[property]);
       }
-      if (typeof _valuesEnd[property] === 'object' && _valuesEnd[property]) {
-        this$1._valuesEnd[property] = SubTween(object[property], _valuesEnd[property]);
-        if (typeof this$1._valuesEnd[property] === 'function') {
-          this$1.object[property] = this$1._valuesEnd[property](0);
+      if (typeof _valuesEnd[property] === 'object' && _valuesEnd[property] && typeof object[property] === 'object') {
+        _valuesEnd[property] = SubTween(object[property], _valuesEnd[property]);
+        if (typeof _valuesEnd[property] === 'function') {
+          object[property] = _valuesEnd[property](0);
         }
       } else if (typeof _valuesEnd[property] === 'string' && typeof object[property] === 'string') {
-        this$1._valuesEnd[property] = SubTween(object[property], _valuesEnd[property]);
-        if (typeof this$1._valuesEnd[property] === 'function') {
-          this$1.object[property] = this$1._valuesEnd[property](0);
+        _valuesEnd[property] = SubTween(object[property], _valuesEnd[property]);
+        if (typeof _valuesEnd[property] === 'function') {
+          object[property] = _valuesEnd[property](0);
         }
@@ -939,6 +935,6 @@ }
 
-      this$1._valuesStart[property] = object[property];
+      _valuesStart[property] = object[property];
 
       if (isPluginProp) {
-        isPluginProp.postprocess && isPluginProp.postprocess(this$1.object[property], this$1._valuesEnd[property]);
+        isPluginProp.postprocess && isPluginProp.postprocess(object[property], _valuesEnd[property]);
       }
@@ -999,2 +995,3 @@ }
     this._r = this._repeat;
+    this._isFinite = isFinite(amount);
 
@@ -1034,2 +1031,20 @@ return this
 
+  Tween.prototype.reassignValues = function reassignValues () {
+    var ref = this;
+    var _valuesStart = ref._valuesStart;
+    var _valuesEnd = ref._valuesEnd;
+    var object = ref.object;
+
+    for (var property in _valuesEnd) {
+      var end = _valuesEnd[property];
+      var start = _valuesStart[property];
+
+      if (typeof end === 'number' || typeof end === 'string') {
+        object[property] = start;
+      }
+    }
+
+    return this
+  };
+
   Tween.prototype.get = function get$$1 (time) {
@@ -1040,5 +1055,3 @@ this.update(time);
 
-  Tween.prototype.update = function update$$1 (time) {
-    var this$1 = this;
-
+  Tween.prototype.update = function update$$1 (time, preserve) {
     var ref = this;
@@ -1059,2 +1072,3 @@ var _onStartCallbackFired = ref._onStartCallbackFired;
     var object = ref.object;
+    var _isFinite = ref._isFinite;
 
@@ -1121,7 +1135,5 @@ var property;
 
-    this.object = object;
-
     if (elapsed === 1 || (_reversed && elapsed === 0)) {
       if (_repeat) {
-        if (isFinite(_repeat)) {
+        if (_isFinite) {
           this._repeat--;
@@ -1132,3 +1144,3 @@ }
           if (typeof (_valuesEnd[property]) === 'string' && typeof (_valuesStart[property]) === 'number') {
-            this$1._valuesStart[property] = _valuesStart[property] + parseFloat(_valuesEnd[property]);
+            _valuesStart[property] = _valuesStart[property] + parseFloat(_valuesEnd[property]);
           }
@@ -1141,3 +1153,3 @@ }
         if (_yoyo) {
-          this._reversed = !_reversed;
+          this.reverse();
         }
@@ -1155,2 +1167,5 @@
       } else {
+        if (!preserve) {
+          remove(this);
+        }
         this.emit(EVENT_COMPLETE, object);
@@ -1169,2 +1184,64 @@ this._repeat = this._r;
 
+var PlaybackPosition = function PlaybackPosition () {
+  this.totalTime = 0;
+  this.labels = [];
+  this.offsets = [];
+};
+PlaybackPosition.prototype.parseLabel = function parseLabel (name, offset) {
+  var ref = this;
+    var offsets = ref.offsets;
+    var labels = ref.labels;
+  var i = labels.indexOf(name);
+  if (typeof name === 'string' && name.indexOf('=') !== -1 && !offset && i === -1) {
+    var rty = name.substr(name.indexOf('=') - 1, 2);
+    var rt = name.split(rty);
+    offset = rt.length === 2 ? rty + rt[1] : null;
+    name = rt[0];
+    i = labels.indexOf(name);
+  }
+  if (i !== -1 && name) {
+    var currOffset = offsets[i] || 0;
+    if (typeof offset === 'number') {
+      currOffset = offset;
+    } else if (typeof offset === 'string') {
+      if (offset.indexOf('=') !== -1) {
+        var type = offset.charAt(0);
+        offset = Number(offset.substr(2));
+        if (type === '+' || type === '-') {
+          currOffset += parseFloat(type + offset);
+        } else if (type === '*') {
+          currOffset *= offset;
+        } else if (type === '/') {
+          currOffset /= offset;
+        } else if (type === '%') {
+          currOffset *= offset / 100;
+        }
+      }
+    }
+    return currOffset
+  }
+  return typeof offset === 'number' ? offset : 0
+};
+PlaybackPosition.prototype.addLabel = function addLabel (name, offset) {
+  this.labels.push(name);
+  this.offsets.push(this.parseLabel(name, offset));
+  return this
+};
+PlaybackPosition.prototype.setLabel = function setLabel (name, offset) {
+  var i = this.labels.indexOf(name);
+  if (i !== -1) {
+    this.offsets.splice(i, 1, this.parseLabel(name, offset));
+  }
+  return this
+};
+PlaybackPosition.prototype.eraseLabel = function eraseLabel (name) {
+  var i = this.labels.indexOf(name);
+  if (i !== -1) {
+    this.labels.splice(i, 1);
+    this.offsets.splice(i, 1);
+  }
+  return this
+};
+
+var _id = 0;
 var Timeline = (function (Tween$$1) {
@@ -1176,7 +1253,8 @@ function Timeline (params) {
     this._tweens = {};
-    this._timing = [];
     this._elapsed = 0;
-    this._id = nextId();
-    this._labels = {};
+    this._id = _id++;
     this._defaultParams = params;
+    this.position = new PlaybackPosition();
+    this.position.addLabel('afterLast', this._totalDuration);
+    this.position.addLabel('afterInit', this._startTime);
 
@@ -1190,34 +1268,7 @@ return this
 
-  Timeline.prototype.setLabel = function setLabel (name, value) {
-    this._labels[name] = this.parsePosition(0, value, 0);
+  Timeline.prototype.addLabel = function addLabel (name, offset) {
+    this.position.addLabel(name, offset);
     return this
   };
 
-  Timeline.prototype.parsePosition = function parsePosition (startTime, input, total) {
-    var this$1 = this;
-
-    var position = startTime + total;
-
-    if (typeof input === 'string') {
-      for (var label in this$1._labels) {
-        if (input.indexOf(label) === 0) {
-          var inp = input.split(label)[1];
-
-          if (inp.length === 0 || (inp[0] === '+' || inp[0] === '-')) {
-            position = this$1._labels[label] + startTime;
-            input = input.replace(label, '');
-          }
-        }
-      }
-
-      if (input.indexOf('+') === 0 || input.indexOf('-') === 0) {
-        position += parseFloat(input);
-      }
-    } else if (typeof input === 'number') {
-      position += input;
-    }
-
-    return Math.max(0, position)
-  };
-
   Timeline.prototype.map = function map (fn) {
@@ -1243,3 +1294,3 @@ var this$1 = this;
     } else if (typeof tween === 'object' && !(tween instanceof Tween$$1)) {
-      tween = new Tween$$1(tween.from, tween);
+      tween = new Tween$$1(tween.from).to(tween.to, tween);
     }
@@ -1257,6 +1308,8 @@
 
-    tween._startTime = this.parsePosition(now() + tween._delayTime, position, _totalDuration);
-    this._timing[tween.id] = tween._startTime;
-    this._totalDuration = Math.max(_totalDuration, tween._duration + tween._startTime + tween._delayTime);
+    var offset = typeof position === 'number' ? position : this.position.parseLabel(typeof position !== 'undefined' ? position : 'afterLast', null);
+    tween._startTime = this._startTime;
+    tween._startTime += offset;
+    this._totalDuration = Math.max(_totalDuration, tween._startTime + tween._delayTime + tween._duration);
     this._tweens[tween.id] = tween;
+    this.position.setLabel('afterLast', this._totalDuration);
     return this
@@ -1270,3 +1323,3 @@ };
 
-    return this.emit('restart')
+    return this.emit(EVENT_RS)
   };
@@ -1283,10 +1336,4 @@
   Timeline.prototype.reverse = function reverse () {
-    var this$1 = this;
-
     this._reversed = !this._reversed;
-    this._timing = this._timing.reverse();
-    for (var tween in this$1._tweens) {
-      this$1._tweens[tween]._startTime = this$1._timing[+tween];
-    }
-    return this
+    return this.emit(EVENT_REVERSE)
   };
@@ -1304,2 +1351,3 @@
     var _repeat = ref._repeat;
+    var _isFinite = ref._isFinite;
 
@@ -1328,11 +1376,11 @@ if (time < _startTime) {
 
-    this.emit('update', elapsed, timing);
+    this.emit(EVENT_UPDATE, elapsed, timing);
 
     if (elapsed === 1 || (_reversed && elapsed === 0)) {
       if (_repeat) {
-        if (isFinite(_repeat)) {
+        if (_isFinite) {
           this._repeat--;
         }
 
-        this.emit(_reversed ? 'reverse' : 'repeat');
+        this.emit(_reversed ? EVENT_REVERSE : EVENT_REPEAT);
 
@@ -1356,2 +1404,3 @@ if (_yoyo) {
           }
+          _tween$1.reassignValues();
         }
@@ -1361,3 +1410,3 @@
       } else {
-        this.emit('complete');
+        this.emit(EVENT_COMPLETE);
         this._repeat = this._r;
@@ -1402,2 +1451,3 @@
 exports.autoPlay = autoPlay;
+exports.isRunning = isRunning;
 exports.Tween = Tween;
@@ -1404,0 +1454,0 @@ exports.Easing = Easing;

dist/Tween.min.js

@@ -1,3 +0,3 @@
-!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports):"function"==typeof define&&define.amd?define(["exports"],e):e(t.TWEEN=t.TWEEN||{})}(this,function(t){"use strict";function e(t){var e=parseFloat(t);return"number"!=typeof e||isNaN(e)?t:e}var n,r={},i=!1,o=!1,s="undefined"!=typeof window?window:"undefined"!=typeof global?global:{},a=0,u=function(t){return"undefined"!=typeof requestAnimationFrame?requestAnimationFrame(t):setTimeout(t,16.6)},p=function(t){return"undefined"!=typeof cancelAnimationFrame?cancelAnimationFrame(t):clearTimeout(t)};!function(t,e,n){Object.defineProperty(t,e,n)}(r,"length",{enumerable:!1,writable:!0,value:0});var f=function(t){var e=t.id;r[e]=t,r.length++,o&&!i&&(y(),i=!0)},h=function(){var t=a;return a++,t},c=function(t){for(var e in r)if(t.id===+e)return r[+e];return null},l=function(t){for(var e in r)t.id===+e&&(delete r[+e],r.length--)},_=function(){if("undefined"!=typeof process&&void 0!==process.hrtime)return function(){var t=process.hrtime();return 1e3*t[0]+t[1]/1e6};if(void 0!==s.performance&&void 0!==s.performance.now)return s.performance.now.bind(s.performance);var t=s.performance&&s.performance.timing&&s.performance.timing.navigationStart?s.performance.timing.navigationStart:Date.now();return function(){return Date.now()-t}}(),y=function(t,e){if(t=void 0!==t?t:_(),o&&(n=u(y)),0===r.length)return i=!1,p(n),!1;for(var s in r)r[s].update(t)||e?s++:(delete r[+s],r.length--);return!0},d={};if(s.document){var v=0,m=0;s.document.addEventListener("visibilitychange",function(){if(0===r.length)return!1;if(document.hidden)m=_();else{v=_()-m;for(var t in r)r[t]._startTime+=v}return!0})}var g={Linear:{None:function(t){return t}},Quadratic:{In:function(t){return t*t},Out:function(t){return t*(2-t)},InOut:function(t){return(t*=2)<1?.5*t*t:-.5*(--t*(t-2)-1)}},Cubic:{In:function(t){return t*t*t},Out:function(t){return--t*t*t+1},InOut:function(t){return(t*=2)<1?.5*t*t*t:.5*((t-=2)*t*t+2)}},Quartic:{In:function(t){return t*t*t*t},Out:function(t){return 1- --t*t*t*t},InOut:function(t){return(t*=2)<1?.5*t*t*t*t:-.5*((t-=2)*t*t*t-2)}},Quintic:{In:function(t){return t*t*t*t*t},Out:function(t){return--t*t*t*t*t+1},InOut:function(t){return(t*=2)<1?.5*t*t*t*t*t:.5*((t-=2)*t*t*t*t+2)}},Sinusoidal:{In:function(t){return 1-Math.cos(t*Math.PI/2)},Out:function(t){return Math.sin(t*Math.PI/2)},InOut:function(t){return.5*(1-Math.cos(Math.PI*t))}},Exponential:{In:function(t){return 0===t?0:Math.pow(1024,t-1)},Out:function(t){return 1===t?1:1-Math.pow(2,-10*t)},InOut:function(t){return 0===t?0:1===t?1:(t*=2)<1?.5*Math.pow(1024,t-1):.5*(2-Math.pow(2,-10*(t-1)))}},Circular:{In:function(t){return 1-Math.sqrt(1-t*t)},Out:function(t){return Math.sqrt(1- --t*t)},InOut:function(t){return(t*=2)<1?-.5*(Math.sqrt(1-t*t)-1):.5*(Math.sqrt(1-(t-=2)*t)+1)}},Elastic:{In:function(t){return 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0!==t?this.update(t*this._totalDuration):this._elapsed},e.prototype.seek=function(t){return this.update(t<1.1?t*this._totalDuration:t)},e}(k);t.Plugins=_,t.Interpolator=A,t.nextId=h,t.has=function(t){return null!==c(t)},t.get=c,t.getAll=function(){return r},t.removeAll=function(){for(var t in r)r[t]=null,delete r[t];r.length=0,p(n)},t.remove=l,t.add=f,t.now=y,t.update=d,t.autoPlay=function(t){o=t},t.isRunning=function(){return i},t.Tween=k,t.Easing=b,t.Interpolation=g,t.Timeline=S,Object.defineProperty(t,"__esModule",{value:!0})});
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 //# sourceMappingURL=Tween.min.js.map

package.json

 {
 	"name": "es6-tween",
-	"version": "3.1.0",
+	"version": "3.3.0",
 	"description": "ES6 implementation of amazing tween.js",
@@ -5,0 +5,0 @@ "browser": "dist/Tween.min.js",

README.md

@@ -39,2 +39,3 @@ # es6-tween
 * Demo #2 [Morphing SVG Shape](https://codepen.io/dalisoft/pen/BdLydv)
+* Demo #3 [Timeline](https://codepen.io/dalisoft/pen/mMRWdr)
 
@@ -41,0 +42,0 @@ ## Installation

src/dist/core.js

@@ -22,3 +22,3 @@ /* global global, window, Object, document, process, requestAnimationFrame, cancelAnimationFrame, setTimeout, clearTimeout */
   if (_autoPlay && !isStarted) {
-    update()
+    _tick = _ticker(update)
     isStarted = true
@@ -44,6 +44,7 @@ }
   for (let id in _tweens) {
-    _tweens[+id] = null
-    delete _tweens[+id]
+    _tweens[id] = null
+    delete _tweens[id]
   }
   _tweens.length = 0
+  _stopTicker(_tick)
 }
@@ -54,3 +55,3 @@
     if (tween.id === +searchTween) {
-      return _tweens[+searchTween]
+      return _tweens[searchTween]
     }
@@ -69,6 +70,9 @@ }
     if (tween.id === +searchTween) {
-      delete _tweens[+searchTween]
+      delete _tweens[searchTween]
       _tweens.length--
     }
   }
+  if (_tweens.length === 0) {
+    _stopTicker(_tick)
+  }
 }
@@ -102,7 +106,7 @@
 
-  if (_autoPlay) {
-    _tick = _ticker(update)
-  }
+  _tick = _ticker(update)
 
-  if (_tweens.length === 0) {
+  let i
+  let length = _tweens.length
+  if (!length) {
     isStarted = false
@@ -113,9 +117,4 @@ _stopTicker(_tick)
 
-  for (let i in _tweens) {
-    if (_tweens[i].update(time) || preserve) {
-      i++
-    } else {
-      delete _tweens[+i]
-      _tweens.length--
-    }
+  for (i in _tweens) {
+    _tweens[i].update(time, preserve)
   }
@@ -126,2 +125,4 @@
 
+const isRunning = () => isStarted
+
 const Plugins = {}
@@ -135,8 +136,6 @@
   doc.addEventListener('visibilitychange', () => {
-    if (_tweens.length === 0) {
-      return false
-    }
-
     if (document.hidden) {
       timePause = now()
+      _stopTicker(_tick)
+      isStarted = false
     } else {
@@ -148,2 +147,4 @@ timeDiff = now() - timePause
       }
+      _tick = _ticker(update)
+      isStarted = true
     }
@@ -155,2 +156,2 @@
 
-export { Plugins, get, has, nextId, getAll, removeAll, remove, add, now, update, autoPlay }
+export { Plugins, get, has, nextId, getAll, removeAll, remove, add, now, update, autoPlay, isRunning }

src/dist/Event.js

@@ -6,7 +6,2 @@ export default class EventClass {
 
-  bind (scope) {
-    this._bind = scope
-    return this
-  }
-
   on (event, callback) {
@@ -26,6 +21,6 @@ if (!this._events[event]) {
 
-    let {_events, _bind} = this
+    let {_events} = this
     let spliceIndex = _events[event].length
     this._events[event].push((...args) => {
-      callback.apply(_bind, args)
+      callback.apply(this, args)
       _events[event].splice(spliceIndex, 1)
@@ -53,3 +48,3 @@ })
   emit (event, arg1, arg2, arg3, arg4) {
-    let {_events, _bind} = this
+    let {_events} = this
 
@@ -63,5 +58,5 @@ if (event === undefined || !_events[event]) {
     for (let i = 0, length = _event.length; i < length; i++) {
-      _event[i].call(_bind, arg1, arg2, arg3, arg4)
+      _event[i](arg1, arg2, arg3, arg4)
     }
   }
 }

src/dist/Interpolation.js

@@ -61,3 +61,3 @@ const Interpolation = {
     Linear (p0, p1, t) {
-      return typeof p1 === 'function' ? p1(t) : (p1 - p0) * t + p0
+      return typeof p0 === 'function' ? p0(t) : (p1 - p0) * t + p0
     },
@@ -64,0 +64,0 @@

src/dist/NodeCache.js

@@ -6,3 +6,3 @@ let Store = {}
     if (tween) {
-      return tween
+      return Object.assign(Store[node], tween)
     }
@@ -9,0 +9,0 @@ return Store[node]

src/dist/SubTween.js

@@ -109,4 +109,2 @@ import toNumber from './toNumber'
   } else if (!Array.isArray(start) && Array.isArray(end)) {
-    end.unshift(start)
-    end.push(end[end.length - 1])
     return end.map((v, i) => SubTween(i === 0 ? start : end[i - 1], v))
@@ -113,0 +111,0 @@ } else {

src/dist/Timeline.js

@@ -1,4 +0,6 @@
-import Tween from './Tween'
-import { add, now, nextId } from './core'
+import Tween, { EVENT_UPDATE, EVENT_RS, EVENT_REPEAT, EVENT_REVERSE, EVENT_COMPLETE } from './Tween'
+import { add, now } from './core'
+import PlaybackPosition from './PlaybackPosition'
 
+let _id = 0
 class Timeline extends Tween {
@@ -10,7 +12,8 @@ constructor (params) {
     this._tweens = {}
-    this._timing = []
     this._elapsed = 0
-    this._id = nextId()
-    this._labels = {}
+    this._id = _id++
     this._defaultParams = params
+    this.position = new PlaybackPosition()
+    this.position.addLabel('afterLast', this._totalDuration)
+    this.position.addLabel('afterInit', this._startTime)
 
@@ -20,32 +23,7 @@ return this
 
-  setLabel (name, value) {
-    this._labels[name] = this.parsePosition(0, value, 0)
+  addLabel (name, offset) {
+    this.position.addLabel(name, offset)
     return this
   }
 
-  parsePosition (startTime, input, total) {
-    let position = startTime + total
-
-    if (typeof input === 'string') {
-      for (let label in this._labels) {
-        if (input.indexOf(label) === 0) {
-          let inp = input.split(label)[1]
-
-          if (inp.length === 0 || (inp[0] === '+' || inp[0] === '-')) {
-            position = this._labels[label] + startTime
-            input = input.replace(label, '')
-          }
-        }
-      }
-
-      if (input.indexOf('+') === 0 || input.indexOf('-') === 0) {
-        position += parseFloat(input)
-      }
-    } else if (typeof input === 'number') {
-      position += input
-    }
-
-    return Math.max(0, position)
-  }
-
   map (fn) {
@@ -67,3 +45,3 @@ for (let tween in this._tweens) {
     } else if (typeof tween === 'object' && !(tween instanceof Tween)) {
-      tween = new Tween(tween.from, tween)
+      tween = new Tween(tween.from).to(tween.to, tween)
     }
@@ -82,6 +60,8 @@
 
-    tween._startTime = this.parsePosition(now() + tween._delayTime, position, _totalDuration)
-    this._timing[tween.id] = tween._startTime
-    this._totalDuration = Math.max(_totalDuration, tween._duration + tween._startTime + tween._delayTime)
+    const offset = typeof position === 'number' ? position : this.position.parseLabel(typeof position !== 'undefined' ? position : 'afterLast', null)
+    tween._startTime = this._startTime
+    tween._startTime += offset
+    this._totalDuration = Math.max(_totalDuration, tween._startTime + tween._delayTime + tween._duration)
     this._tweens[tween.id] = tween
+    this.position.setLabel('afterLast', this._totalDuration)
     return this
@@ -95,3 +75,3 @@ }
 
-    return this.emit('restart')
+    return this.emit(EVENT_RS)
   }
@@ -109,7 +89,3 @@
     this._reversed = !this._reversed
-    this._timing = this._timing.reverse()
-    for (let tween in this._tweens) {
-      this._tweens[tween]._startTime = this._timing[+tween]
-    }
-    return this
+    return this.emit(EVENT_REVERSE)
   }
@@ -126,3 +102,4 @@
       _yoyo,
-      _repeat
+      _repeat,
+      _isFinite
     } = this
@@ -152,11 +129,11 @@
 
-    this.emit('update', elapsed, timing)
+    this.emit(EVENT_UPDATE, elapsed, timing)
 
     if (elapsed === 1 || (_reversed && elapsed === 0)) {
       if (_repeat) {
-        if (isFinite(_repeat)) {
+        if (_isFinite) {
           this._repeat--
         }
 
-        this.emit(_reversed ? 'reverse' : 'repeat')
+        this.emit(_reversed ? EVENT_REVERSE : EVENT_REPEAT)
 
@@ -180,2 +157,3 @@ if (_yoyo) {
           }
+          _tween.reassignValues()
         }
@@ -185,3 +163,3 @@
       } else {
-        this.emit('complete')
+        this.emit(EVENT_COMPLETE)
         this._repeat = this._r
@@ -188,0 +166,0 @@

src/dist/Tween.js

@@ -18,25 +18,32 @@ import {
 // Events list
-const EVENT_UPDATE = 'update'
-const EVENT_COMPLETE = 'complete'
-const EVENT_START = 'start'
-const EVENT_REPEAT = 'repeat'
-const EVENT_REVERSE = 'reverse'
-const EVENT_PAUSE = 'pause'
-const EVENT_PLAY = 'play'
-const EVENT_RS = 'restart'
-const EVENT_STOP = 'stop'
-const EVENT_SEEK = 'seek'
+export const EVENT_UPDATE = 'update'
+export const EVENT_COMPLETE = 'complete'
+export const EVENT_START = 'start'
+export const EVENT_REPEAT = 'repeat'
+export const EVENT_REVERSE = 'reverse'
+export const EVENT_PAUSE = 'pause'
+export const EVENT_PLAY = 'play'
+export const EVENT_RS = 'restart'
+export const EVENT_STOP = 'stop'
+export const EVENT_SEEK = 'seek'
 
 class Tween extends EventClass {
-  static fromTo (from, instance) {
-    return new Tween(from, instance)
+  timeout (fn, delay) {
+    return new Tween({x: 0}).to({x: 1}, delay).on('complete', fn)
   }
-  constructor (object = {}, instate) {
+  interval (fn, delay) {
+    return new Tween({x: 0}).to({x: 1}, delay).repeat(Infinity).on('repeat', fn)
+  }
+  constructor (node, object) {
     super()
 
-    if (object.node) {
-      this.node = object.node
-      delete object.node
+    this.id = nextId()
+    if (typeof node === 'object' && !object && !node.nodeType) {
+      object = this.object = node
+      node = null
+    } else if (typeof node !== 'undefined') {
+      this.node = node
+      object = this.object = NodeCache(node, object)
+      this.object.node = node
     }
-    this.object = NodeCache(this.node, object)
     this._valuesStart = Tween.createEmptyConst(object)
@@ -59,10 +66,5 @@ this._valuesEnd = Tween.createEmptyConst(object)
     this._pausedTime = null
-    this.id = nextId()
     this._plugins = {}
+    this._isFinite = true
 
-    if (instate && instate.to) {
-      return new Tween(object)
-        .to(instate.to, instate)
-    }
-
     return this
@@ -179,4 +181,6 @@ }
     let {
+      _valuesStart,
       _valuesEnd,
-      object
+      object,
+      _plugins
     } = this
@@ -187,14 +191,14 @@
       if (isPluginProp) {
-        isPluginProp = this._plugins[property] = new Plugins[property](this, object[property], _valuesEnd[property])
+        isPluginProp = _plugins[property] = new Plugins[property](this, object[property], _valuesEnd[property])
         isPluginProp.preprocess && isPluginProp.preprocess(object[property], _valuesEnd[property])
       }
-      if (typeof _valuesEnd[property] === 'object' && _valuesEnd[property]) {
-        this._valuesEnd[property] = SubTween(object[property], _valuesEnd[property])
-        if (typeof this._valuesEnd[property] === 'function') {
-          this.object[property] = this._valuesEnd[property](0)
+      if (typeof _valuesEnd[property] === 'object' && _valuesEnd[property] && typeof object[property] === 'object') {
+        _valuesEnd[property] = SubTween(object[property], _valuesEnd[property])
+        if (typeof _valuesEnd[property] === 'function') {
+          object[property] = _valuesEnd[property](0)
         }
       } else if (typeof _valuesEnd[property] === 'string' && typeof object[property] === 'string') {
-        this._valuesEnd[property] = SubTween(object[property], _valuesEnd[property])
-        if (typeof this._valuesEnd[property] === 'function') {
-          this.object[property] = this._valuesEnd[property](0)
+        _valuesEnd[property] = SubTween(object[property], _valuesEnd[property])
+        if (typeof _valuesEnd[property] === 'function') {
+          object[property] = _valuesEnd[property](0)
         }
@@ -209,6 +213,6 @@ }
 
-      this._valuesStart[property] = object[property]
+      _valuesStart[property] = object[property]
 
       if (isPluginProp) {
-        isPluginProp.postprocess && isPluginProp.postprocess(this.object[property], this._valuesEnd[property])
+        isPluginProp.postprocess && isPluginProp.postprocess(object[property], _valuesEnd[property])
       }
@@ -271,2 +275,3 @@ }
     this._r = this._repeat
+    this._isFinite = isFinite(amount)
 
@@ -306,2 +311,21 @@ return this
 
+  reassignValues () {
+    const {
+      _valuesStart,
+      _valuesEnd,
+      object
+    } = this
+
+    for (let property in _valuesEnd) {
+      let end = _valuesEnd[property]
+      let start = _valuesStart[property]
+
+      if (typeof end === 'number' || typeof end === 'string') {
+        object[property] = start
+      }
+    }
+
+    return this
+  }
+
   get (time) {
@@ -312,3 +336,3 @@ this.update(time)
 
-  update (time) {
+  update (time, preserve) {
     let {
@@ -328,3 +352,4 @@ _onStartCallbackFired,
       _plugins,
-      object
+      object,
+      _isFinite
     } = this
@@ -392,7 +417,5 @@
 
-    this.object = object
-
     if (elapsed === 1 || (_reversed && elapsed === 0)) {
       if (_repeat) {
-        if (isFinite(_repeat)) {
+        if (_isFinite) {
           this._repeat--
@@ -403,3 +426,3 @@ }
           if (typeof (_valuesEnd[property]) === 'string' && typeof (_valuesStart[property]) === 'number') {
-            this._valuesStart[property] = _valuesStart[property] + parseFloat(_valuesEnd[property])
+            _valuesStart[property] = _valuesStart[property] + parseFloat(_valuesEnd[property])
           }
@@ -412,3 +435,3 @@ }
         if (_yoyo) {
-          this._reversed = !_reversed
+          this.reverse()
         }
@@ -426,2 +449,5 @@
       } else {
+        if (!preserve) {
+          remove(this)
+        }
         this.emit(EVENT_COMPLETE, object)
@@ -428,0 +454,0 @@ this._repeat = this._r

src/Tween.js

@@ -1,2 +0,2 @@
-import { nextId, has, get, getAll, removeAll, remove, add, now, update, autoPlay, Plugins } from './dist/core'
+import { nextId, has, get, getAll, removeAll, remove, add, now, update, autoPlay, Plugins, isRunning } from './dist/core'
 import Easing from './dist/Easing'
@@ -7,2 +7,2 @@ import Tween from './dist/Tween'
 import SubTween from './dist/SubTween'
-export { Plugins, SubTween as Interpolator, nextId, has, get, getAll, removeAll, remove, add, now, update, autoPlay, Tween, Easing, Interpolation, Timeline }
+export { Plugins, SubTween as Interpolator, nextId, has, get, getAll, removeAll, remove, add, now, update, autoPlay, isRunning, Tween, Easing, Interpolation, Timeline }

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Improved metrics

Total package byte prevSize

418826

increased by3.24%

Number of package files

28

increased by3.7%

Lines of code

2916

increased by4.37%

Number of lines in readme file

204

increased by0.49%

No dependency changes