Merge pull request #6870 from plotly/fix-selection-double-y-axis

Fix interacting with selection on subplots with overlaid axes

Author: archmoj

draftlogs/6870_change.md

@@ -0,0 +1 @@
+- Fix bug where extending an existing box/lasso selection on traces with overlaying axes didn't update the selection [[#6870](https://github.com/plotly/plotly.js/pull/6870)].

src/components/selections/select.js

@@ -809,8 +809,8 @@ function determineSearchTraces(gd, xAxes, yAxes, subplot) {
             var sankeyInfo = createSearchInfo(trace._module, cd, xAxes[0], yAxes[0]);
             searchTraces.push(sankeyInfo);
         } else {
-            if(xAxisIds.indexOf(trace.xaxis) === -1) continue;
-            if(yAxisIds.indexOf(trace.yaxis) === -1) continue;
+            if(xAxisIds.indexOf(trace.xaxis) === -1 && (!trace._xA || !trace._xA.overlaying)) continue;
+            if(yAxisIds.indexOf(trace.yaxis) === -1 && (!trace._yA || !trace._yA.overlaying)) continue;
 
             searchTraces.push(createSearchInfo(trace._module, cd,
               getFromId(gd, trace.xaxis), getFromId(gd, trace.yaxis)));