mayfield commented on issue #19814:
URL: https://github.com/apache/echarts/issues/19814#issuecomment-2050576828
Not a solution but I'm going to use this monkey patch to workaround the
issue in my project until this gets a proper fix/release...
```javascript
function monkeyPatchEchartsDownsampling(eChartsModule) {
const dummy = eChartsModule.init(document.createElement('div'));
dummy.setOption({xAxis: {}, yAxis: {}, series: {type: 'line'}});
const model = dummy.getModel();
const DataStore =
model.getSeriesByIndex(0).getData().getStore().constructor;
DataStore.prototype.indexOfRawIndex = function(rawIndex) {
if (rawIndex >= this._rawCount || rawIndex < 0) {
return -1;
}
if (!this._indices) {
return rawIndex;
}
const indices = this._indices;
const rawDataIndex = indices[rawIndex];
if (rawDataIndex != null && rawDataIndex < this._count &&
rawDataIndex === rawIndex) {
return rawIndex;
}
let left = 0;
let right = this._count - 1;
let mid = -1;
while (left <= right) {
mid = (left + right) / 2 | 0;
if (indices[mid] < rawIndex) {
left = mid + 1;
} else if (indices[mid] > rawIndex) {
right = mid - 1;
} else {
return mid;
}
}
return mid;
};
}
```
The function is a copy/paste of `indexOfRawIndex` but with the final bailout
return value being the closet `mid` value instead of `-1`.
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