eskwisit opened a new issue, #20869:
URL: https://github.com/apache/echarts/issues/20869
### Version
5.6.0
### Link to Minimal Reproduction
n/a
### Steps to Reproduce
I cannot provide proper steps to reproduction as the bug not constant:
sometimes it does work, sometimes it does not. The bug occurs on Safari mobile
(iOS 18.3.2).
It was working fine until we customised the xAxis tooltip. Also, when
debugging from the developer console > network in Google Chrome, I surprisingly
found a `blob://xxx` call to get the chart. This I've never seen before. What
would generate such request ?
Tooltip config:
```typescript
tooltip: {
trigger: 'axis',
showContent: false,
axisPointer: {
type: 'cross',
},
}
```
xAxis axisPointer value:
```typescript
axisPointer: {
z: 209,
label: {
color: '#fff',
backgroundColor: '#222',
padding: [6, 10],
formatter: ({ value, seriesData }) => {
let data = seriesData[0].value;
data = data ? yAxisDigits(`${data}`, yAxisFormatter) : '—';
return `{data|${data}}\n{value|${value}}`;
},
rich: {
data: {
width: 100,
align: 'center',
fontSize: 14,
fontFamily: 'HelveticaNeue-Medium',
padding: [0, 0, 4, 0],
},
value: {
align: 'center',
},
},
},
}
```
Series default options:
```typescript
series: {
type: 'line',
silent: true,
symbol: 'none',
lineStyle: {
width: 2,
},
connectNulls: true,
animationEasing: 'quadraticInOut',
z: 1,
}
```
### Current Behavior
When swiping over the chart to view tooltip, some of the points from the
line chart disappear. Also, there is a `markLine` in the line series that is
not affected, it's only the `data`
Before swiping from left to right:
After swiping from left to right:
### Expected Behavior
The points from data series should not be removed.
### Environment
```markdown
- OS: iOS 18.3.2
- Browser: Safari Mobile
- Framework: Angular / Typescript
```
### Any additional comments?
_No response_
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