From 629483411f5cbb51118500f1fc1350f8f2330a89 Mon Sep 17 00:00:00 2001
From: Max Netterberg <max.netterberg@prorenata.se>
Date: Mon, 23 Nov 2020 13:22:02 +0100
Subject: [PATCH] added "fromNumber" prop on abstract chart

---
 src/AbstractChart.tsx | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/AbstractChart.tsx b/src/AbstractChart.tsx
index 093bab66..b9c45967 100644
--- a/src/AbstractChart.tsx
+++ b/src/AbstractChart.tsx
@@ -5,6 +5,7 @@ import { ChartConfig, Dataset, PartialBy } from "./HelperTypes";
 
 export interface AbstractChartProps {
   fromZero?: boolean;
+  fromNumber?: number;
   chartConfig?: AbstractChartConfig;
   yAxisLabel?: string;
   yAxisSuffix?: string;
@@ -40,6 +41,11 @@ class AbstractChart<
   calcScaler = (data: number[]) => {
     if (this.props.fromZero) {
       return Math.max(...data, 0) - Math.min(...data, 0) || 1;
+    } else if (this.props.fromNumber) {
+      return (
+        Math.max(...data, this.props.fromNumber) -
+          Math.min(...data, this.props.fromNumber) || 1
+      );
     } else {
       return Math.max(...data) - Math.min(...data) || 1;
     }