Merge branch '180-v1-4-ecolyodemo-pb-echelle-ecran-multi' into 'dev'

Resolve "v1.4 ecolyodemo Pb échelle écran multi ?"

Closes #180

See merge request web-et-numerique/llle_project/ecolyo!457

src/components/Charts/BarChart.tsx

@@ -49,11 +49,19 @@ const BarChart: React.FC<BarChartProps> = ({
     const maxCompare = chartData.comparisonData
       ? Math.max(...chartData.comparisonData.map(d => d.value))
       : 0
-    let max = chartData.actualData
+
+    const max = chartData.actualData
       ? Math.max(...chartData.actualData.map(d => d.value))
       : 0
-    max = max <= 0 ? 15 : max
-    return showCompare ? Math.max(max, maxCompare) : max
+
+    if (showCompare) {
+      if (max <= 0 && maxCompare <= 0) return 15
+      else return Math.max(max, maxCompare)
+    } else {
+      if (max <= 0) {
+        return 15
+      } else return max
+    }
   }
 
   const xScale: ScaleBand<string> = scaleBand()