38 lines
2.5 KiB
JavaScript
38 lines
2.5 KiB
JavaScript
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import {loop,shell,smooth,staticMotion} from '../shared/runtime.js';
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export function mount(element, options = {}) {
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const clean=shell(element,options);
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const value=element.querySelector('.metric-value'),chart=element.querySelector('.metric-bars');
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const content=options.content || {};
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if(content.value!==undefined)value.textContent=typeof content.value==='number' && Number.isFinite(content.value)?content.value.toLocaleString('en-US',{maximumFractionDigits:2}):String(content.value);
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if(Array.isArray(content.series)){
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const series=content.series.filter(n=>typeof n==='number' && Number.isFinite(n) && n>=0),max=Math.max(1,...series);
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chart.replaceChildren(...series.map((n,i)=>{const bar=document.createElement('i');bar.style.setProperty('--height',`${n/max*96}%`);if(i===series.length-1)bar.className='current';else if(i>=series.length-6)bar.className='recent';return bar;}));
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}
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const bars=[...chart.querySelectorAll('i')];
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const formatted=value.textContent.trim(),still=staticMotion(element,options);
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const digits=[];
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value.replaceChildren();
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const readable=document.createElement('span');readable.className='metric-readable';readable.textContent=formatted;value.append(readable);
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for(const char of formatted){
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const slot=document.createElement('span');slot.setAttribute('aria-hidden','true');
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if(!/\d/.test(char)){slot.className='metric-separator';slot.textContent=char;value.append(slot);continue;}
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slot.className='metric-digit';
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const strip=document.createElement('span');strip.className='metric-reel';
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const end=Number(char);
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for(let i=0;i<=end;i++){const n=document.createElement('span');n.textContent=String(i%10);strip.append(n);}
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slot.append(strip);value.append(slot);digits.push({strip,end});
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}
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const clock=loop(element,time=>{
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const staticState=still();
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digits.forEach(({strip,end},i)=>{
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const p=staticState?1:smooth((time-.12-i*.065)/2.05);
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strip.style.transform=`translateY(${-end*p}em)`;
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});
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bars.forEach((bar,i)=>{
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const p=staticState?1:smooth((time-.10-i*.018)/1.85);
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bar.style.setProperty('--bar-growth',Math.max(.008,p));
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});
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element.style.setProperty('--metric-settled',staticState?1:smooth((time-1.70)/.70));
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},{...options,duration:Math.max(2.65,bars.length*.018+1.95,digits.length*.065+2.17)});
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return {replay:()=>clock.restart(),destroy(){clock.destroy();clean();value.textContent=formatted;element.style.removeProperty('--metric-settled');bars.forEach(b=>b.style.removeProperty('--bar-growth'));}};
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}
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