pissang commented on a change in pull request #13013:
URL:
https://github.com/apache/incubator-echarts/pull/13013#discussion_r459872522
##########
File path: src/chart/line/LineSeries.ts
##########
@@ -103,6 +103,8 @@ export interface LineSeriesOption extends
SeriesOption<LineStateOption, ExtraSta
showAllSymbol?: 'auto'
data?: (LineDataValue | LineDataItemOption)[]
+
+ bolderWhenHover?: boolean
Review comment:
<del>I think we can just ignore `emphasis.bolder` if
`emphasis.lineStyle.width` is specified.</del>
Another thought just comes in my mind: can `emphasis.lineStyle.width` be a
semantic value like `'bolder'`?
```ts
emphasis: {
lineStyle: {
width: 'bolder'
}
}
```
Just like font-weight in CSS. @100pah What do you think about this?
We already have similar configuration in sankey chart.
```
lineStyle: {
color: 'source' | 'target' | 'gradient'
}
```
By which link color will use the color of source/target node, or even a
gradient color between them.
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