From 33c16382b3e2ae76f47a4d28e4b5bbe7db3faeb1 Mon Sep 17 00:00:00 2001
From: Jukka Kurkela <jukka.kurkela@gmail.com>
Date: Fri, 7 May 2021 22:48:55 +0300
Subject: [PATCH] Allow scale to auto-adjust it's min when stacked (#9045)

---
 src/scales/scale.linearbase.js   | 4 ++--
 test/specs/scale.linear.tests.js | 6 ++++++
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/scales/scale.linearbase.js b/src/scales/scale.linearbase.js
index 8e4440aea..f8248668e 100644
--- a/src/scales/scale.linearbase.js
+++ b/src/scales/scale.linearbase.js
@@ -168,14 +168,14 @@ export default class LinearScaleBase extends Scale {
 
   handleTickRangeOptions() {
     const me = this;
-    const {beginAtZero, stacked} = me.options;
+    const {beginAtZero} = me.options;
     const {minDefined, maxDefined} = me.getUserBounds();
     let {min, max} = me;
 
     const setMin = v => (min = minDefined ? min : v);
     const setMax = v => (max = maxDefined ? max : v);
 
-    if (beginAtZero || stacked) {
+    if (beginAtZero) {
       const minSign = sign(min);
       const maxSign = sign(max);
 
diff --git a/test/specs/scale.linear.tests.js b/test/specs/scale.linear.tests.js
index c523afea9..8591ceba6 100644
--- a/test/specs/scale.linear.tests.js
+++ b/test/specs/scale.linear.tests.js
@@ -194,6 +194,12 @@ describe('Linear Scale', function() {
     chart.scales.y.options.stacked = true;
     chart.update();
 
+    expect(chart.scales.y.min).toBe(30);
+    expect(chart.scales.y.max).toBe(90);
+
+    chart.scales.y.options.beginAtZero = true;
+    chart.update();
+
     expect(chart.scales.y.min).toBe(0);
     expect(chart.scales.y.max).toBe(90);
   });