Merge pull request #95 from htmltiger/htmltiger-patch-1

Add rounding in secondary info

numberbox-card.js

@@ -1,6 +1,6 @@
 ((LitElement) => {
 
-console.info('NUMBERBOX_CARD 4.11');
+console.info('NUMBERBOX_CARD 4.12');
 const html = LitElement.prototype.html;
 const css = LitElement.prototype.css;
 class NumberBox extends LitElement {
@@ -84,11 +84,13 @@ secondaryInfo(){
 		while(j.length){
 			let t=j.shift();
 			if(t[0]=='%'){
+				let f=NaN;
 				t=t.substring(1).split(':');
 				let b=this._hass.states;
 				for (let d=0; d<t.length; d++){
 					if(lu.indexOf(t[d])>1){t[d]=t[d].replace('-','_');}
 					const id = t[d];
+					if(id[0]=='~'){f=Number(id.substring(1));break;}
 					if(b.hasOwnProperty(id)){
 						b=b[id];
 						if(!d){
@@ -107,7 +109,7 @@ secondaryInfo(){
 						}
 					}
 				}
-				ret += (typeof b !== 'object')? b : t;
+				ret += (typeof b !== 'object')? (isNaN(f)?b:b.toFixed(f)) : t;
 			}else{
 				ret += t;
 			}