main.min.js

!function(a){a("#dolarInfo").css("display","none"),a("#calculate-btn").click(function(){getData()})}(jQuery);const getData=async()=>{$.LoadingOverlay("show");let a=[],t=0;for(;0===a.length;)a=await fetchData(t),t++;$.LoadingOverlay("hide"),$("#dolarInfo").css("display","block");let o=$("#dolar").val()*a[0].cotacaoVenda,c=o/100*4,r=o+c,n=(r/100*3.38+r).toLocaleString("pt-BR",{minimumFractionDigits:2,style:"currency",currency:"REA"});$("#total").val(n),$("#data").html(moment(a[0].dataHoraCotacao).format("DD/MM/YYYY")+" \xe0s "+moment(a[0].dataHoraCotacao).format("HH:mm:ss")),$("#compra").html(a[0].cotacaoCompra.toLocaleString("pt-BR",{minimumFractionDigits:4,style:"currency",currency:"BLR"})),$("#venda").html(a[0].cotacaoVenda.toLocaleString("pt-BR",{minimumFractionDigits:4,style:"currency",currency:"BLR"}))},fetchData=async a=>{let t="https://olinda.bcb.gov.br/olinda/servico/PTAX/versao/v1/odata/CotacaoDolarDia(dataCotacao=@dataCotacao)?@dataCotacao='"+moment().subtract(a,"days").format("MM-DD-YYYY")+"'&$top=100&$format=json&$select=cotacaoCompra,cotacaoVenda,dataHoraCotacao",o=await $.getJSON(t);return o.value};