Build 589089stable
Module 527851
1,788 characters · in 514.d733764d42c2ab66.jsDependencies
Source Raw
function(e,t,n){"use strict";var r=function(){function e(e,t){for(var n=0;n<t.length;n++){var r=t[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}}return function(t,n,r){return n&&e(t.prototype,n),r&&e(t,r),t}}(),i=n(150433),a=n(151979),o=n(934580);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._deceleration=void 0!==e.deceleration?e.deceleration:.998,n._velocity=e.velocity,n.__isInteraction=void 0===e.isInteraction||e.isInteraction,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),r(t,[{key:"start",value:function(e,t,n){this.__active=!0,this._lastValue=e,this._fromValue=e,this._onUpdate=t,this.__onEnd=n,this._startTime=Date.now(),this._animationFrame=a.current(this.onUpdate.bind(this))}},{key:"onUpdate",value:function(){var e=Date.now(),t=this._fromValue+this._velocity/(1-this._deceleration)*(1-Math.exp(-(1-this._deceleration)*(e-this._startTime)));(this._onUpdate(t),.1>Math.abs(this._lastValue-t))?this.__debouncedOnEnd({finished:!0}):(this._lastValue=t,this.__active&&(this._animationFrame=a.current(this.onUpdate.bind(this))))}},{key:"stop",value:function(){this.__active=!1,o.current(this._animationFrame),this.__debouncedOnEnd({finished:!1})}}]),t}(i)}