7fe4f761创建于 4月29日历史提交
var __assign=this&&this.__assign||function(){return(__assign=Object.assign||function(t){for(var i,n=1,s=arguments.length;n<s;n++)for(var a in i=arguments[n])Object.prototype.hasOwnProperty.call(i,a)&&(t[a]=i[a]);return t}).apply(this,arguments)},CountUp=(()=>{function t(t,i,n){var r=this;this.endVal=i,this.options=n,this.version="2.3.2",this.defaults={startVal:0,decimalPlaces:0,duration:2,useEasing:!0,useGrouping:!0,smartEasingThreshold:999,smartEasingAmount:333,separator:",",decimal:".",prefix:"",suffix:"",enableScrollSpy:!1,scrollSpyDelay:200,scrollSpyOnce:!1},this.finalEndVal=null,this.useEasing=!0,this.countDown=!1,this.error="",this.startVal=0,this.paused=!0,this.once=!1,this.count=function(t){r.startTime||(r.startTime=t);var t=t-r.startTime,i=(r.remaining=r.duration-t,r.useEasing?r.countDown?r.frameVal=r.startVal-r.easingFn(t,0,r.startVal-r.endVal,r.duration):r.frameVal=r.easingFn(t,r.startVal,r.endVal-r.startVal,r.duration):r.frameVal=r.startVal+(r.endVal-r.startVal)*(t/r.duration),r.countDown?r.frameVal<r.endVal:r.frameVal>r.endVal);r.frameVal=i?r.endVal:r.frameVal,r.frameVal=Number(r.frameVal.toFixed(r.options.decimalPlaces)),r.printValue(r.frameVal),t<r.duration?r.rAF=requestAnimationFrame(r.count):null!==r.finalEndVal?r.update(r.finalEndVal):r.callback&&r.callback()},this.formatNumber=function(t){var i=t<0?"-":"",t=Math.abs(t).toFixed(r.options.decimalPlaces),t=(t+="").split("."),n=t[0],t=1<t.length?r.options.decimal+t[1]:"";if(r.options.useGrouping){for(var s="",a=0,e=n.length;a<e;++a)0!==a&&a%3==0&&(s=r.options.separator+s),s=n[e-a-1]+s;n=s}return r.options.numerals&&r.options.numerals.length&&(n=n.replace(/[0-9]/g,function(t){return r.options.numerals[+t]}),t=t.replace(/[0-9]/g,function(t){return r.options.numerals[+t]})),i+r.options.prefix+n+t+r.options.suffix},this.easeOutExpo=function(t,i,n,s){return n*(1-Math.pow(2,-10*t/s))*1024/1023+i},this.options=__assign(__assign({},this.defaults),n),this.formattingFn=this.options.formattingFn||this.formatNumber,this.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.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","undefined"!=typeof window&&this.options.enableScrollSpy&&(this.error?console.error(this.error,t):(window.onScrollFns=window.onScrollFns||[],window.onScrollFns.push(function(){return r.handleScroll(r)}),window.onscroll=function(){window.onScrollFns.forEach(function(t){return t()})},this.handleScroll(this)))}return t.prototype.handleScroll=function(t){var i,n;t&&window&&!t.once&&(i=window.innerHeight+window.scrollY,(n=(n=t.el.getBoundingClientRect()).top+n.height+window.pageYOffset)<i&&n>window.scrollY&&t.paused?(t.paused=!1,setTimeout(function(){return t.start()},t.options.scrollSpyDelay),t.options.scrollSpyOnce&&(t.once=!0)):window.scrollY>n&&!t.paused&&t.reset())},t.prototype.determineDirectionAndSmartEasing=function(){var t=this.finalEndVal||this.endVal,i=(this.countDown=this.startVal>t,t-this.startVal);Math.abs(i)>this.options.smartEasingThreshold&&this.options.useEasing?(this.finalEndVal=t,i=this.countDown?1:-1,this.endVal=t+i*this.options.smartEasingAmount,this.duration=this.duration/2):(this.endVal=t,this.finalEndVal=null),null!==this.finalEndVal?this.useEasing=!1:this.useEasing=this.options.useEasing},t.prototype.start=function(t){this.error||(this.callback=t,0<this.duration?(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,null==this.finalEndVal&&this.resetDuration(),this.finalEndVal=null,this.determineDirectionAndSmartEasing(),this.rAF=requestAnimationFrame(this.count))},t.prototype.printValue=function(t){t=this.formattingFn(t);"INPUT"===this.el.tagName?this.el.value=t:"text"===this.el.tagName||"tspan"===this.el.tagName?this.el.textContent=t:this.el.innerHTML=t},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: ".concat(t),null)},t.prototype.resetDuration=function(){this.startTime=null,this.duration=1e3*Number(this.options.duration),this.remaining=this.duration},t})();export{CountUp};