@grafana/data#GraphSeriesValue TypeScript Examples

The following examples show how to use @grafana/data#GraphSeriesValue. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: utils.test.ts    From grafana-chinese with Apache License 2.0 7 votes vote down vote up 
mockResult = (
  value: string,
  datapointIndex: number,
  seriesIndex: number,
  color?: string,
  label?: string,
  time?: GraphSeriesValue
) => ({
  value,
  datapointIndex,
  seriesIndex,
  color,
  label,
  time,
})
Example #2
Source File: utils.ts    From grafana-chinese with Apache License 2.0 6 votes vote down vote up 
getMultiSeriesGraphHoverInfo = (
  // x and y axis dimensions order is aligned
  yAxisDimensions: Field[],
  xAxisDimensions: Field[],
  /** Well, time basically */
  xAxisPosition: number
): {
  results: MultiSeriesHoverInfo[];
  time?: GraphSeriesValue;
} => {
  let i, field, hoverIndex, hoverDistance, pointTime;

  const results: MultiSeriesHoverInfo[] = [];

  let minDistance, minTime;

  for (i = 0; i < yAxisDimensions.length; i++) {
    field = yAxisDimensions[i];
    const time = xAxisDimensions[i];
    hoverIndex = findHoverIndexFromData(time, xAxisPosition);
    hoverDistance = xAxisPosition - time.values.get(hoverIndex);
    pointTime = time.values.get(hoverIndex);
    // Take the closest point before the cursor, or if it does not exist, the closest after
    if (
      minDistance === undefined ||
      (hoverDistance >= 0 && (hoverDistance < minDistance || minDistance < 0)) ||
      (hoverDistance < 0 && hoverDistance > minDistance)
    ) {
      minDistance = hoverDistance;
      minTime = time.display ? formattedValueToString(time.display(pointTime)) : pointTime;
    }

    const display = field.display ?? getDisplayProcessor({ field });
    const disp = display(field.values.get(hoverIndex));

    results.push({
      value: formattedValueToString(disp),
      datapointIndex: hoverIndex,
      seriesIndex: i,
      color: disp.color,
      label: field.name,
      time: time.display ? formattedValueToString(time.display(pointTime)) : pointTime,
    });
  }

  return {
    results,
    time: minTime,
  };
}
Example #3
Source File: GraphWithLegend.tsx    From grafana-chinese with Apache License 2.0 5 votes vote down vote up 
shouldHideLegendItem = (data: GraphSeriesValue[][], hideEmpty = false, hideZero = false) => {
  const isZeroOnlySeries = data.reduce((acc, current) => acc + (current[1] || 0), 0) === 0;
  const isNullOnlySeries = !data.reduce((acc, current) => acc && current[1] !== null, true);

  return (hideEmpty && isNullOnlySeries) || (hideZero && isZeroOnlySeries);
}
Example #4
Source File: GraphWithLegend2.tsx    From loudml-grafana-app with MIT License 5 votes vote down vote up 
shouldHideLegendItem = (data: GraphSeriesValue[][], hideEmpty = false, hideZero = false) => {
  const isZeroOnlySeries = data.reduce((acc, current) => acc + (current[1] || 0), 0) === 0;
  const isNullOnlySeries = !data.reduce((acc, current) => acc && current[1] !== null, true);

  return (hideEmpty && isNullOnlySeries) || (hideZero && isZeroOnlySeries);
}