dosubot[bot] commented on issue #30045:
URL: https://github.com/apache/superset/issues/30045#issuecomment-2320684718
<!-- Answer -->
The `forecastValue` array can be found in the tooltip formatter function
within the `echartOptions` object. Specifically, it is defined as follows:
```ts
const forecastValue: any[] = richTooltip ? params : [params];
```
To implement the `sort_series_ascending` parameter, you can modify the
sorting logic within the tooltip formatter function. Here is an example of how
you can implement it:
1. Add the `sort_series_ascending` parameter to the
`EchartsTimeseriesFormData` type and extract it from `formData`.
2. Modify the sorting logic in the tooltip formatter function to use this
parameter.
Here is the modified code:
```ts
const {
// other parameters
sortSeriesAscending,
} = formData;
const echartOptions: EChartsCoreOption = {
// other options
tooltip: {
// other tooltip options
formatter: (params: any) => {
const xValue: number = richTooltip ? params[0].value[0] :
params.value[0];
const forecastValue: any[] = richTooltip ? params : [params];
if (richTooltip && tooltipSortByMetric) {
forecastValue.sort((a, b) => {
return sortSeriesAscending ? a.data[1] - b.data[1] : b.data[1] -
a.data[1];
});
}
// rest of the formatter logic
},
},
// other options
};
```
Additionally, you can use the utility functions provided in
`superset-frontend/plugins/plugin-chart-echarts/src/utils/forecast.ts` to
handle forecast values more effectively. For example, you can use
`extractForecastValuesFromTooltipParams` to extract forecast values from the
tooltip parameters:
```ts
import { extractForecastValuesFromTooltipParams } from
'superset-frontend/plugins/plugin-chart-echarts/src/utils/forecast';
const echartOptions: EChartsCoreOption = {
// other options
tooltip: {
// other tooltip options
formatter: (params: any) => {
const forecastValues = extractForecastValuesFromTooltipParams(params,
richTooltip);
if (richTooltip && tooltipSortByMetric) {
forecastValues.sort((a, b) => {
return sortSeriesAscending ? a.data[1] - b.data[1] : b.data[1] -
a.data[1];
});
}
// rest of the formatter logic
},
},
// other options
};
```
This code snippet shows how to add the `sortSeriesAscending` parameter and
use it to control the sorting order of the `forecastValue` array in the
tooltip, while also leveraging utility functions for better handling of
forecast values
<sup>[[1]](https://github.com/apache/superset/blob/master/superset-frontend/plugins/plugin-chart-echarts/src/MixedTimeseries/transformProps.ts)</sup><sup>[[2]](https://github.com/apache/superset/blob/master/superset-frontend/plugins/plugin-chart-echarts/src/utils/forecast.ts)</sup><sup>[[3]](https://github.com/apache/superset/blob/master/superset-frontend/plugins/plugin-chart-echarts/src/Timeseries/transformProps.ts)</sup>.
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