forked from nsjcy/frontEnd/nsjcy

liuwh
2020-03-14 12e9a4001d693505cc044fe2df0614257c26d535
1
"use strict";function _classCallCheck(t,i){if(!(t instanceof i))throw new TypeError("Cannot call a class as a function")}function _defineProperties(t,i){for(var s=0;s<i.length;s++){var a=i[s];a.enumerable=a.enumerable||!1,a.configurable=!0,"value"in a&&(a.writable=!0),Object.defineProperty(t,a.key,a)}}function _createClass(t,i,s){return i&&_defineProperties(t.prototype,i),s&&_defineProperties(t,s),t}Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=void 0;var CountUp=function(){function r(t,i,s,a){var e=4<arguments.length&&void 0!==arguments[4]?arguments[4]:{},n=5<arguments.length&&void 0!==arguments[5]?arguments[5]:getCurrentPages()[getCurrentPages().length-1];_classCallCheck(this,r),Object.assign(this,{page:n,startVal:t,endVal:i,decimals:s,duration:a,options:e}),this.__init()}return _createClass(r,[{key:"__init",value:function(){this.setData=this.page.setData.bind(this.page),this.lastTime=0,this.mergeOptions(this.options),this.startVal=Number(this.startVal),this.cacheVal=this.startVal,this.endVal=Number(this.endVal),this.countDown=this.startVal>this.endVal,this.frameVal=this.startVal,this.decimals=Math.max(0,this.decimals||0),this.dec=Math.pow(10,this.decimals),this.duration=1e3*Number(this.duration)||2e3,this.printValue(this.formattingFn(this.startVal))}},{key:"setDefaultOptions",value:function(){return{useEasing:!0,useGrouping:!0,separator:",",decimal:".",easingFn:null,formattingFn:null,printValue:function(t){}}}},{key:"mergeOptions",value:function(t){var i=this.setDefaultOptions();for(var s in i)i.hasOwnProperty(s)&&(this.options[s]=void 0!==t[s]?t[s]:i[s],"function"==typeof this.options[s]&&(this.options[s]=this.options[s].bind(this)));""===this.options.separator&&(this.options.useGrouping=!1),this.options.prefix||(this.options.prefix=""),this.options.suffix||(this.options.suffix=""),this.easingFn=this.options.easingFn?this.options.easingFn:this.easeOutExpo,this.formattingFn=this.options.formattingFn?this.options.formattingFn:this.formatNumber,this.printValue=this.options.printValue?this.options.printValue:function(){}}},{key:"requestAnimationFrame",value:function(t){var i=this,s=(new Date).getTime(),a=Math.max(0,16-(s-this.lastTime)),e=setTimeout(function(){t.bind(i)(s+a)},a);return this.lastTime=s+a,e}},{key:"cancelAnimationFrame",value:function(t){clearTimeout(t)}},{key:"formatNumber",value:function(t){var i,s,a,e;if(t=t.toFixed(this.decimals),s=(i=(t+="").split("."))[0],a=1<i.length?this.options.decimal+i[1]:"",e=/(\d+)(\d{3})/,this.options.useGrouping)for(;e.test(s);)s=s.replace(e,"$1"+this.options.separator+"$2");return this.options.prefix+s+a+this.options.suffix}},{key:"easeOutExpo",value:function(t,i,s,a){return s*(1-Math.pow(2,-10*t/a))*1024/1023+i}},{key:"count",value:function(t){this.startTime||(this.startTime=t);var i=(this.timestamp=t)-this.startTime;this.remaining=this.duration-i,this.options.useEasing?this.countDown?this.frameVal=this.startVal-this.easingFn(i,0,this.startVal-this.endVal,this.duration):this.frameVal=this.easingFn(i,this.startVal,this.endVal-this.startVal,this.duration):this.countDown?this.frameVal=this.startVal-(this.startVal-this.endVal)*(i/this.duration):this.frameVal=this.startVal+(this.endVal-this.startVal)*(i/this.duration),this.countDown?this.frameVal=this.frameVal<this.endVal?this.endVal:this.frameVal:this.frameVal=this.frameVal>this.endVal?this.endVal:this.frameVal,this.frameVal=Math.round(this.frameVal*this.dec)/this.dec,this.printValue(this.formattingFn(this.frameVal)),i<this.duration?this.rAF=this.requestAnimationFrame(this.count):this.callback&&this.callback()}},{key:"start",value:function(t){return this.callback=t,this.rAF=this.requestAnimationFrame(this.count),!1}},{key:"pauseResume",value:function(){this.paused?(this.paused=!1,delete this.startTime,this.duration=this.remaining,this.startVal=this.frameVal,this.requestAnimationFrame(this.count)):(this.paused=!0,this.cancelAnimationFrame(this.rAF))}},{key:"reset",value:function(){this.paused=!1,delete this.startTime,this.startVal=this.cacheVal,this.cancelAnimationFrame(this.rAF),this.printValue(this.formattingFn(this.startVal))}},{key:"update",value:function(t){this.cancelAnimationFrame(this.rAF),this.paused=!1,delete this.startTime,this.startVal=this.frameVal,this.endVal=Number(t),this.countDown=this.startVal>this.endVal,this.rAF=this.requestAnimationFrame(this.count)}}]),r}(),_default=CountUp;exports.default=_default;