Merge pull request #7811 from plotly/cam/7791/box-to-violin-plot-fix

fix: Handle `react` call going from box to violin plot

Author: camdecoster

draftlogs/7811_fix.md

@@ -0,0 +1 @@
+- Update box plot defaults to handle situation where `Plotly.react` is called to switch from box to violin plot [[#7811](https://github.com/plotly/plotly.js/pull/7811)]

src/traces/box/defaults.js

@@ -97,6 +97,10 @@ function handleSampleDefaults(traceIn, traceOut, coerce, layout) {
 
         traceOut._hasPreCompStats = q1 && q1.length && median && median.length && q3 && q3.length;
         sLen = Math.min(Lib.minRowLength(q1), Lib.minRowLength(median), Lib.minRowLength(q3));
+    } else {
+        // Non-box (violin) traces don't support pre-computed stats; set explicitly
+        // so Plotly.react's relinkPrivateKeys can't carry over a stale truthy value.
+        traceOut._hasPreCompStats = false;
     }
 
     var yDims = getDims(y);