Ovilia commented on a change in pull request #9210: fix #9182 Graph
label.rotate is invalid
URL: https://github.com/apache/incubator-echarts/pull/9210#discussion_r225076491
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File path: src/chart/graph/GraphView.js
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@@ -200,6 +200,7 @@ export default echarts.extendChartView({
&& seriesModel.get('circular.rotateLabel');
var cx = data.getLayout('cx');
var cy = data.getLayout('cy');
+ var labelRotate = seriesModel.get('label.rotate') === undefined ? 0 :
seriesModel.get('label.rotate');
Review comment:
Please use `== undefined` to check `undefined` so that `null` will also
match the comparing.
Here, you'd better use `var labelRotate = seriesModel.get('label.rotate') ||
0` for simplification.
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