[ML] Fix y axis ticks. (#116670)

Fixes the y axis ticks for chart variants where the maximum transaction count for overall buckets is only 1.
elastic · Oct 30, 2021 · 2cfcb8c · 2cfcb8c
1 parent 151968b
commit 2cfcb8c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/x-pack/plugins/apm/public/components/shared/charts/transaction_distribution_chart/index.tsx b/x-pack/plugins/apm/public/components/shared/charts/transaction_distribution_chart/index.tsx
@@ -132,7 +132,7 @@ export function TransactionDistributionChart({
     Math.max(
       ...flatten(data.map((d) => d.histogram)).map((d) => d.doc_count)
     ) ?? 0;
-  const yTicks = Math.ceil(Math.log10(yMax));
+  const yTicks = Math.max(1, Math.ceil(Math.log10(yMax)));
   const yAxisDomain = {
     min: 0.5,
     max: Math.pow(10, yTicks),