GraphNG: time range should match the panel timeRange (#29596)

* match time range

* less logging

* almost working

* more logging

* more logging

* fix snapshot

* Use layout effect for the time range ref update

Co-authored-by: Dominik Prokop <dominik.prokop@grafana.com>

packages/grafana-ui/src/components/GraphNG/GraphNG.tsx

-import React, { useCallback, useMemo, useRef } from 'react';
+import React, { useCallback, useLayoutEffect, useMemo, useRef } from 'react';
 import {
   compareDataFrameStructures,
   DataFrame,
@@ -8,6 +8,7 @@ import {
   formattedValueToString,
   getFieldColorModeForField,
   getFieldDisplayName,
+  TimeRange,
 } from '@grafana/data';
 import { alignDataFrames } from './utils';
 import { UPlotChart } from '../uPlot/Plot';
@@ -58,11 +59,17 @@ export const GraphNG: React.FC<GraphNGProps> = ({
 
   const compareFrames = useCallback((a?: DataFrame | null, b?: DataFrame | null) => {
     if (a && b) {
-      return compareDataFrameStructures(a, b, ['min', 'max']);
+      return compareDataFrameStructures(a, b);
     }
     return false;
   }, []);
 
+  // reference change will not triger re-render
+  const currentTimeRange = useRef<TimeRange>(timeRange);
+  useLayoutEffect(() => {
+    currentTimeRange.current = timeRange;
+  }, [timeRange]);
+
   const configRev = useRevision(alignedFrame, compareFrames);
 
   const configBuilder = useMemo(() => {
@@ -78,6 +85,10 @@ export const GraphNG: React.FC<GraphNGProps> = ({
       builder.addScale({
         scaleKey: 'x',
         isTime: true,
+        range: () => {
+          const r = currentTimeRange.current!;
+          return [r.from.valueOf(), r.to.valueOf()];
+        },
       });
       builder.addAxis({
         scaleKey: 'x',

packages/grafana-ui/src/components/uPlot/Plot.tsx

@@ -4,8 +4,7 @@ import { buildPlotContext, PlotContext } from './context';
 import { pluginLog } from './utils';
 import { usePlotConfig } from './hooks';
 import { AlignedFrameWithGapTest, PlotProps } from './types';
-import { DataFrame, FieldType } from '@grafana/data';
-import isNumber from 'lodash/isNumber';
+import { DataFrame } from '@grafana/data';
 import { UPlotConfigBuilder } from './config/UPlotConfigBuilder';
 import usePrevious from 'react-use/lib/usePrevious';
 
@@ -62,7 +61,7 @@ export const UPlotChart: React.FC<PlotProps> = props => {
     }
 
     // 4. Otherwise, assume only data has changed and update uPlot data
-    updateData(props.data.frame, props.config, plotInstance.current, prepareData(props.data).data);
+    updateData(props.data.frame, props.config, plotInstance.current, prepareData(props.data));
   }, [props, isConfigReady]);
 
   // When component unmounts, clean the existing uPlot instance
@@ -95,38 +94,15 @@ function initializePlot(data: AlignedDataWithGapTest, config: Options, el: HTMLD
   return new uPlot(config, data, el);
 }
 
-function updateData(frame: DataFrame, config: UPlotConfigBuilder, plotInstance?: uPlot, data?: AlignedData | null) {
+function updateData(
+  frame: DataFrame,
+  config: UPlotConfigBuilder,
+  plotInstance?: uPlot,
+  data?: AlignedDataWithGapTest | null
+) {
   if (!plotInstance || !data) {
     return;
   }
   pluginLog('uPlot core', false, 'updating plot data(throttled log!)', data);
-  updateScales(frame, config, plotInstance);
   plotInstance.setData(data);
 }
-
-function updateScales(frame: DataFrame, config: UPlotConfigBuilder, plotInstance: uPlot) {
-  let yRange: [number, number] | undefined = undefined;
-
-  for (let i = 0; i < frame.fields.length; i++) {
-    if (frame.fields[i].type !== FieldType.number) {
-      continue;
-    }
-    if (isNumber(frame.fields[i].config.min) && isNumber(frame.fields[i].config.max)) {
-      yRange = [frame.fields[i].config.min!, frame.fields[i].config.max!];
-      break;
-    }
-  }
-
-  const scalesConfig = config.getConfig().scales;
-
-  if (scalesConfig && yRange) {
-    for (const scale in scalesConfig) {
-      if (!scalesConfig.hasOwnProperty(scale)) {
-        continue;
-      }
-      if (scale !== 'x') {
-        plotInstance.setScale(scale, { min: yRange[0], max: yRange[1] });
-      }
-    }
-  }
-}

packages/grafana-ui/src/components/uPlot/config/UPlotConfigBuilder.test.ts

@@ -22,10 +22,12 @@ describe('UPlotConfigBuilder', () => {
           "axes": Array [],
           "scales": Object {
             "scale-x": Object {
+              "range": [Function],
               "time": true,
             },
             "scale-y": Object {
               "range": [Function],
+              "time": false,
             },
           },
           "series": Array [

packages/grafana-ui/src/components/uPlot/config/UPlotScaleBuilder.ts

@@ -6,6 +6,7 @@ export interface ScaleProps {
   isTime?: boolean;
   min?: number | null;
   max?: number | null;
+  range?: () => number[]; // min/max
 }
 
 export class UPlotScaleBuilder extends PlotConfigBuilder<ScaleProps, Scale> {
@@ -14,22 +15,19 @@ export class UPlotScaleBuilder extends PlotConfigBuilder<ScaleProps, Scale> {
     this.props.max = optMinMax('max', this.props.max, props.max);
   }
 
+  // uPlot range function
+  range = (u: uPlot, dataMin: number, dataMax: number) => {
+    const { min, max } = this.props;
+    const [smin, smax] = uPlot.rangeNum(min ?? dataMin, max ?? dataMax, 0.1 as any, true);
+    return [min ?? smin, max ?? smax];
+  };
+
   getConfig() {
-    const { isTime, scaleKey } = this.props;
-    if (isTime) {
-      return {
-        [scaleKey]: {
-          time: true, // TODO?  this should be based on the query range, not the data
-        },
-      };
-    }
+    const { isTime, scaleKey, range } = this.props;
     return {
       [scaleKey]: {
-        range: (u: uPlot, dataMin: number, dataMax: number) => {
-          const { min, max } = this.props;
-          const [smin, smax] = uPlot.rangeNum(min ?? dataMin, max ?? dataMax, 0.1 as any, true);
-          return [min ?? smin, max ?? smax];
-        },
+        time: isTime,
+        range: range ?? this.range,
       },
     };
   }