countUp.min.js 4.6 KB
var __assign=this&&this.__assign||function(){return(__assign=Object.assign||function(t){for(var i,a=1,s=arguments.length;a<s;a++)for(var n in i=arguments[a])Object.prototype.hasOwnProperty.call(i,n)&&(t[n]=i[n]);return t}).apply(this,arguments)},CountUp=function(){function t(t,i,a){var s=this;this.target=t,this.endVal=i,this.options=a,this.version="2.0.4",this.defaults={startVal:0,decimalPlaces:0,duration:2,useEasing:!0,useGrouping:!0,smartEasingThreshold:999,smartEasingAmount:333,separator:",",decimal:".",prefix:"",suffix:""},this.finalEndVal=null,this.useEasing=!0,this.countDown=!1,this.error="",this.startVal=0,this.paused=!0,this.count=function(t){s.startTime||(s.startTime=t);var i=t-s.startTime;s.remaining=s.duration-i,s.useEasing?s.countDown?s.frameVal=s.startVal-s.easingFn(i,0,s.startVal-s.endVal,s.duration):s.frameVal=s.easingFn(i,s.startVal,s.endVal-s.startVal,s.duration):s.countDown?s.frameVal=s.startVal-(s.startVal-s.endVal)*(i/s.duration):s.frameVal=s.startVal+(s.endVal-s.startVal)*(i/s.duration),s.countDown?s.frameVal=s.frameVal<s.endVal?s.endVal:s.frameVal:s.frameVal=s.frameVal>s.endVal?s.endVal:s.frameVal,s.frameVal=Math.round(s.frameVal*s.decimalMult)/s.decimalMult,s.printValue(s.frameVal),i<s.duration?s.rAF=requestAnimationFrame(s.count):null!==s.finalEndVal?s.update(s.finalEndVal):s.callback&&s.callback()},this.formatNumber=function(t){var i,a,n,e,r,o=t<0?"-":"";if(i=Math.abs(t).toFixed(s.options.decimalPlaces),n=(a=(i+="").split("."))[0],e=a.length>1?s.options.decimal+a[1]:"",s.options.useGrouping){r="";for(var l=0,h=n.length;l<h;++l)0!==l&&l%3==0&&(r=s.options.separator+r),r=n[h-l-1]+r;n=r}return s.options.numerals&&s.options.numerals.length&&(n=n.replace(/[0-9]/g,function(t){return s.options.numerals[+t]}),e=e.replace(/[0-9]/g,function(t){return s.options.numerals[+t]})),o+s.options.prefix+n+e+s.options.suffix},this.easeOutExpo=function(t,i,a,s){return a*(1-Math.pow(2,-10*t/s))*1024/1023+i},this.options=__assign({},this.defaults,a),this.formattingFn=this.options.formattingFn?this.options.formattingFn:this.formatNumber,this.easingFn=this.options.easingFn?this.options.easingFn:this.easeOutExpo,this.startVal=this.validateValue(this.options.startVal),this.frameVal=this.startVal,this.endVal=this.validateValue(i),this.options.decimalPlaces=Math.max(this.options.decimalPlaces),this.decimalMult=Math.pow(10,this.options.decimalPlaces),this.resetDuration(),this.options.separator=String(this.options.separator),this.useEasing=this.options.useEasing,""===this.options.separator&&(this.options.useGrouping=!1),this.el="string"==typeof t?document.getElementById(t):t,this.el?this.printValue(this.startVal):this.error="[CountUp] target is null or undefined"}return t.prototype.determineDirectionAndSmartEasing=function(){var t=this.finalEndVal?this.finalEndVal:this.endVal;this.countDown=this.startVal>t;var i=t-this.startVal;if(Math.abs(i)>this.options.smartEasingThreshold){this.finalEndVal=t;var a=this.countDown?1:-1;this.endVal=t+a*this.options.smartEasingAmount,this.duration=this.duration/2}else this.endVal=t,this.finalEndVal=null;this.finalEndVal?this.useEasing=!1:this.useEasing=this.options.useEasing},t.prototype.start=function(t){this.error||(this.callback=t,this.duration>0?(this.determineDirectionAndSmartEasing(),this.paused=!1,this.rAF=requestAnimationFrame(this.count)):this.printValue(this.endVal))},t.prototype.pauseResume=function(){this.paused?(this.startTime=null,this.duration=this.remaining,this.startVal=this.frameVal,this.determineDirectionAndSmartEasing(),this.rAF=requestAnimationFrame(this.count)):cancelAnimationFrame(this.rAF),this.paused=!this.paused},t.prototype.reset=function(){cancelAnimationFrame(this.rAF),this.paused=!0,this.resetDuration(),this.startVal=this.validateValue(this.options.startVal),this.frameVal=this.startVal,this.printValue(this.startVal)},t.prototype.update=function(t){cancelAnimationFrame(this.rAF),this.startTime=null,this.endVal=this.validateValue(t),this.endVal!==this.frameVal&&(this.startVal=this.frameVal,this.finalEndVal||this.resetDuration(),this.determineDirectionAndSmartEasing(),this.rAF=requestAnimationFrame(this.count))},t.prototype.printValue=function(t){var i=this.formattingFn(t);"INPUT"===this.el.tagName?this.el.value=i:"text"===this.el.tagName||"tspan"===this.el.tagName?this.el.textContent=i:this.el.innerHTML=i},t.prototype.ensureNumber=function(t){return"number"==typeof t&&!isNaN(t)},t.prototype.validateValue=function(t){var i=Number(t);return this.ensureNumber(i)?i:(this.error="[CountUp] invalid start or end value: "+t,null)},t.prototype.resetDuration=function(){this.startTime=null,this.duration=1e3*Number(this.options.duration),this.remaining=this.duration},t}();export{CountUp};