[incubator-echarts] branch next updated: fix(bar): fix null access bug

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shenyi pushed a commit to branch next
in repository https://gitbox.apache.org/repos/asf/incubator-echarts.git


The following commit(s) were added to refs/heads/next by this push:
     new b717a5c  fix(bar): fix null access bug
b717a5c is described below

commit b717a5c3f2cb1609b77beb44d01f53da92bd0bd6
Author: pissang <bm...@gmail.com>
AuthorDate: Tue Sep 29 11:41:07 2020 +0800

    fix(bar): fix null access bug
---
 src/chart/bar/BarView.ts | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/chart/bar/BarView.ts b/src/chart/bar/BarView.ts
index 0aae1cd..2d48aaa 100644
--- a/src/chart/bar/BarView.ts
+++ b/src/chart/bar/BarView.ts
@@ -845,9 +845,11 @@ function updateStyle(
         );
 
         const label = el.getTextContent();
-        const obj = labelInner(label);
-        obj.prevValue = obj.value;
-        obj.value = seriesModel.getRawValue(dataIndex) as ParsedValue | ParsedValue[];
+        if (label) {
+            const obj = labelInner(label);
+            obj.prevValue = obj.value;
+            obj.value = seriesModel.getRawValue(dataIndex) as ParsedValue | ParsedValue[];
+        }
     }
 
     const emphasisModel = itemModel.getModel(['emphasis']);


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