Module 958554

function(e,t,n){"use strict";var i=function(){function e(e,t){for(var n=0;n<t.length;n++){var i=t[n];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}return function(t,n,i){return n&&e(t.prototype,n),i&&e(t,i),t}}(),r=n(698380),s=n(87805),a=n(731841),o=n(82322);n(336258);var l=n(972535),u=n.g.Set||n(576655);e.exports=function(e){if("function"!=typeof e&&null!==e)throw TypeError("Super expression must either be null or a function, not "+typeof e);function t(e){if(!(this instanceof t))throw TypeError("Cannot call a class as a function");var n=function(e,t){if(!e)throw ReferenceError("this hasn't been initialised - super() hasn't been called");return t&&("object"==typeof t||"function"==typeof t)?t:e}(this,(t.__proto__||Object.getPrototypeOf(t)).call(this));return n._value=e,n._offset=0,n._animation=null,n._listeners={},n}return t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e),i(t,[{key:"__detach",value:function(){this.stopAnimation()}},{key:"__getValue",value:function(){return this._value+this._offset}},{key:"setValue",value:function(e){this._animation&&(this._animation.stop(),this._animation=null),this._updateValue(e)}},{key:"setOffset",value:function(e){this._offset=e}},{key:"flattenOffset",value:function(){this._value+=this._offset,this._offset=0}},{key:"addListener",value:function(e){var t=l();return this._listeners[t]=e,t}},{key:"removeListener",value:function(e){delete this._listeners[e]}},{key:"removeAllListeners",value:function(){this._listeners={}}},{key:"stopAnimation",value:function(e){this.stopTracking(),this._animation&&this._animation.stop(),this._animation=null,e&&e(this.__getValue())}},{key:"interpolate",value:function(e){return new a(this,o.create(e))}},{key:"animate",value:function(e,t){var n=this,i=null;e.__isInteraction&&(i=s.current.createInteractionHandle());var r=this._animation;this._animation&&this._animation.stop(),this._animation=e,e.start(this._value,function(e){n._updateValue(e)},function(e){n._animation=null,null!==i&&s.current.clearInteractionHandle(i),t&&t(e)},r)}},{key:"stopTracking",value:function(){this._tracking&&this._tracking.__detach(),this._tracking=null}},{key:"track",value:function(e){this.stopTracking(),this._tracking=e}},{key:"_updateValue",value:function(e){var t,n;for(var i in this._value=e,t=this,n=new u,!function e(t){"function"==typeof t.update?n.add(t):t.__getChildren().forEach(e)}(t),n.forEach(function(e){return e.update()}),this._listeners)this._listeners[i]({value:this.__getValue()})}}]),t}(r)}