[incubator-echarts] 01/01: fix(line): only bolder when line width in normal state is larger than 0.

[wa...@apache.org]

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wangzx pushed a commit to branch fix-line-bold
in repository https://gitbox.apache.org/repos/asf/incubator-echarts.git

commit 08c2ff55038fa7c6ba4e6e001aa6cd78c6194208
Author: plainheart <yh...@all-my-life.cn>
AuthorDate: Wed Oct 28 15:59:12 2020 +0800

    fix(line): only bolder when line width in normal state is larger than 0.
---
 src/chart/line/LineView.ts | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/chart/line/LineView.ts b/src/chart/line/LineView.ts
index b462eca..4a7b324 100644
--- a/src/chart/line/LineView.ts
+++ b/src/chart/line/LineView.ts
@@ -734,8 +734,7 @@ class LineView extends ChartView {
 
         setStatesStylesFromModel(polyline, seriesModel, 'lineStyle');
 
-        const shouldBolderOnEmphasis = seriesModel.get(['emphasis', 'lineStyle', 'width']) === 'bolder';
-        if (shouldBolderOnEmphasis) {
+        if (polyline.style.lineWidth > 0 && seriesModel.get(['emphasis', 'lineStyle', 'width']) === 'bolder') {
             const emphasisLineStyle = polyline.getState('emphasis').style;
             emphasisLineStyle.lineWidth = polyline.style.lineWidth + 1;
         }


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