From 2719f64abecfc10fbd1f2114c43ee63cb9d246d0 Mon Sep 17 00:00:00 2001
From: petterav <petter@devotta.no>
Date: Wed, 17 Apr 2024 15:00:45 +0200
Subject: [PATCH] More cognitive age counting

---
 .../GrowthChartBuilder/GrowthChartBuilder.tsx  | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/src/components/GrowthChart/GrowthChartBuilder/GrowthChartBuilder.tsx b/src/components/GrowthChart/GrowthChartBuilder/GrowthChartBuilder.tsx
index 67acbde..aa34a6a 100644
--- a/src/components/GrowthChart/GrowthChartBuilder/GrowthChartBuilder.tsx
+++ b/src/components/GrowthChart/GrowthChartBuilder/GrowthChartBuilder.tsx
@@ -59,7 +59,23 @@ export const GrowthChartBuilder = ({
                 },
                 min: datasetMetadata.range.start,
                 max: datasetMetadata.range.end,
-                ticks: { stepSize: 1 },
+                ticks: {
+                    stepSize: 1,
+                    callback: (value: number, index, values) => {
+                        if (datasetMetadata.xAxisLabel === 'Months') {
+                            const isFirstTick = index === 0;
+                            const isLastTick = index === values.length - 1;
+
+                            if (isFirstTick) return '0';
+                            if (isLastTick) return '12';
+
+                            const modulo = value % 12;
+                            return modulo === 0 ? '' : modulo;
+                        }
+                        return value;
+                    },
+                },
+
             },
             y: {
                 title: {