When multiple series are defined in the sql, and then the user deselects one of the series, and then hovers over the others, the tooltip that should show the series values does not appear.

fix #868

Author: lovasoa

CHANGELOG.md

@@ -1,5 +1,8 @@
 # CHANGELOG.md
 
+## v0.35
+ - Fix tooltips not showing on line charts with one or more hidden series
+
 ## v0.34 (2025-03-23)
 
 ### ✨ Top Features at a Glance

sqlpage/apexcharts.js

@@ -215,6 +215,7 @@ sqlpage_chart = (() => {
             : undefined,
         y: {
           formatter: (value) => {
+            if (value == null) return "";
             if (is_timeseries && data.type === "rangeBar") {
               const d = new Date(value);
               if (d.getHours() === 0 && d.getMinutes() === 0)