Merge pull request #103 from htmltiger/htmltiger-patch-1

display value math template

README.md

@@ -44,7 +44,7 @@ or added by clicking the "Add to lovelace" button on the HACS dashboard after in
 | speed | number | `0` | long press speed in ms, `0` to disable
 | refresh | number | `0` | `1` to disable debounce when change, may fix issues with updating
 | secondary_info | string |  | `last_changed` `last_updated` or any text/html,<br />you can also display states or other attributes of any entity for eg. <br /> `Light is %light.office_1:state` <br />`Room temp is %climate.heating:attributes:current_temperature:~1` (:~x digits after decimal) <br />`%switch.switch_2:last_updated`
-| unit | string/bool  | `unit_of_measurement` | Override unit string (set to `false` to hide) <br />`time` to display the number in hh:mm:ss<br />`timehm` to display the number in hh:mm
+| unit | string/bool  | `unit_of_measurement` | Override unit string (set to `false` to hide) <br />`time` to display the number in hh:mm:ss<br />`timehm` to display the number in hh:mm<br />to use javascript on state value use brackets to eval for eg. `(value*100)` to change the display value
 
 #### Advanced Config for climate/fan/input_datetime etc
 

numberbox-card.js

@@ -1,6 +1,6 @@
 ((LitElement) => {
 
-console.info('NUMBERBOX_CARD 4.14');
+console.info('NUMBERBOX_CARD 4.15');
 const html = LitElement.prototype.html;
 const css = LitElement.prototype.css;
 class NumberBox extends LitElement {
@@ -253,6 +253,11 @@ niceNum(){
 		return html`${t}`;
 	}
 	if(isNaN(Number(fix))){return fix;}
+	if(typeof u == 'string' && u.startsWith('(')){
+		let value = fix; value = eval(u);
+		return html`${value}`;
+	}
+
 	const lang={language:this._hass.language, comma_decimal:['en-US','en'], decimal_comma:['de','es','it'], space_comma:['fr','sv','cs'], system:undefined};
 	let g=this._hass.locale.number_format || 'language';
 	if(g!='none'){