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fix(react-charting): Fix for lineOptions bug in Area chart #34298

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fix(react-charting): Fix for lineOptions bug in Area chart #34298

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fix(react-charting): Fix for lineOptions bug in Area chart
srmukher Apr 22, 2025
249a5a2
Adding change file
srmukher Apr 22, 2025
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7 changes: 7 additions & 0 deletions change/@fluentui-react-charting-118814d7-58fc-4dcd-a8f3-77e501cde1eb.json
View file
Original file line number Diff line number Diff line change
@@ -0,0 +1,7 @@
{
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🕵🏾‍♀️ visual changes to review in the Visual Change Report

vr-tests/Callout 11 screenshots
Image Name Diff(in Pixels) Image Type
vr-tests/Callout.Left bottom edge.default.chromium.png 3123 Changed
vr-tests/Callout.Bottom right edge.default.chromium.png 1120 Changed
vr-tests/Callout.No callout width specified.default.chromium.png 2126 Changed
vr-tests/Callout.Beak 25.default.chromium.png 2185 Changed
vr-tests/Callout.Rendering callout attached to a rectangle.default.chromium.png 1832 Changed
vr-tests/Callout.Bottom left edge - RTL.default.chromium.png 2186 Changed
vr-tests/Callout.Bottom right edge - RTL.default.chromium.png 1114 Changed
vr-tests/Callout.Gap space 25.default.chromium.png 2181 Changed
vr-tests/Callout.Top auto edge.default.chromium.png 2196 Changed
vr-tests/Callout.Right bottom edge.default.chromium.png 3037 Changed
vr-tests/Callout.Top right edge.default.chromium.png 1134 Changed
vr-tests/Keytip 3 screenshots
Image Name Diff(in Pixels) Image Type
vr-tests/Keytip.Disabled.default.chromium.png 24 Changed
vr-tests/Keytip.Offset.default.chromium.png 86 Changed
vr-tests/Keytip.Root.default.chromium.png 51 Changed
vr-tests/react-charting-GaugeChart 1 screenshots
Image Name Diff(in Pixels) Image Type
vr-tests/react-charting-GaugeChart.Basic.default.chromium.png 2 Changed
vr-tests/react-charting-LineChart 1 screenshots
Image Name Diff(in Pixels) Image Type
vr-tests/react-charting-LineChart.Multiple.default.chromium.png 192 Changed
vr-tests/react-charting-MultiStackBarChart 1 screenshots
Image Name Diff(in Pixels) Image Type
vr-tests/react-charting-MultiStackBarChart.Basic_PartToWhole - Dark Mode.default.chromium.png 363 Changed

There were 1 duplicate changes discarded. Check the build logs for more information.

"type": "patch",
"comment": "fix(react-charting): Fix for lineOptions bug in Area chart",
"packageName": "@fluentui/react-charting",
"email": "120183316+srmukher@users.noreply.github.com",
"dependentChangeType": "patch"
}
144 changes: 73 additions & 71 deletions packages/charts/react-charting/src/components/AreaChart/AreaChart.base.tsx
View file
Original file line number Diff line number Diff line change
@@ -736,82 +736,84 @@ export class AreaChartBase extends React.Component<IAreaChartProps, IAreaChartSt
let lineColor: string;
// eslint-disable-next-line @typescript-eslint/no-explicit-any
this._data.forEach((singleStackedData: Array<any>, index: number) => {
const curveFactory = getCurveFactory(points[index].lineOptions?.curve, d3CurveBasis);
const area = d3Area()
// eslint-disable-next-line @typescript-eslint/no-explicit-any
.x((d: any) => xScale(d.xVal))
// eslint-disable-next-line @typescript-eslint/no-explicit-any
.y0((d: any) => yScale(d.values[0]))
// eslint-disable-next-line @typescript-eslint/no-explicit-any
.y1((d: any) => yScale(d.values[1]))
.curve(curveFactory);
const line = d3Line()
// eslint-disable-next-line @typescript-eslint/no-explicit-any
.x((d: any) => xScale(d.xVal))
// eslint-disable-next-line @typescript-eslint/no-explicit-any
.y((d: any) => yScale(d.values[1]))
.curve(curveFactory);
const layerOpacity = this.props.mode === 'tozeroy' ? 0.8 : this._opacity[index];
graph.push(
<React.Fragment key={`${index}-graph-${this._uniqueIdForGraph}`}>
{this.props.enableGradient && (
<defs>
<linearGradient id={`gradient_${index}`} x1="0%" x2="0%" y1="0%" y2="100%">
<stop offset="0" stopColor={this._colors[index]} />
<stop offset="100%" stopColor="transparent" />
</linearGradient>
</defs>
)}
<path
id={`${index}-line-${this._uniqueIdForGraph}`}
d={line(singleStackedData)!}
fill={'transparent'}
strokeWidth={points[index].lineOptions?.strokeWidth ?? 3}
stroke={this._colors[index]}
opacity={this._getLineOpacity(points[index]!.legend)}
onMouseMove={this._onRectMouseMove}
onMouseOut={this._onRectMouseOut}
onMouseOver={this._onRectMouseMove}
strokeDasharray={points[index].lineOptions?.strokeDasharray}
strokeDashoffset={points[index].lineOptions?.strokeDashoffset}
strokeLinecap={points[index].lineOptions?.strokeLinecap}
/>
{singleStackedData.length === 1 ? (
<circle
id={`${index}-graph-${this._uniqueIdForGraph}`}
cx={xScale(singleStackedData[0].xVal)}
cy={yScale(singleStackedData[0].values[1])}
r={6}
stroke={this._colors[index]}
strokeWidth={3}
fill={this._colors[index]}
opacity={layerOpacity}
fillOpacity={this._getOpacity(points[index]!.legend)}
onMouseMove={this._onRectMouseMove}
onMouseOut={this._onRectMouseOut}
onMouseOver={this._onRectMouseMove}
/>
) : (
if (points[index]) {
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if (points[index]) {

how is it possible that index is out of bounds here. Is there a difference between length of this.props.data and this._data

const curveFactory = getCurveFactory(points[index].lineOptions?.curve, d3CurveBasis);
const area = d3Area()
// eslint-disable-next-line @typescript-eslint/no-explicit-any
.x((d: any) => xScale(d.xVal))
// eslint-disable-next-line @typescript-eslint/no-explicit-any
.y0((d: any) => yScale(d.values[0]))
// eslint-disable-next-line @typescript-eslint/no-explicit-any
.y1((d: any) => yScale(d.values[1]))
.curve(curveFactory);
const line = d3Line()
// eslint-disable-next-line @typescript-eslint/no-explicit-any
.x((d: any) => xScale(d.xVal))
// eslint-disable-next-line @typescript-eslint/no-explicit-any
.y((d: any) => yScale(d.values[1]))
.curve(curveFactory);
const layerOpacity = this.props.mode === 'tozeroy' ? 0.8 : this._opacity[index];
graph.push(
<React.Fragment key={`${index}-graph-${this._uniqueIdForGraph}`}>
{this.props.enableGradient && (
<defs>
<linearGradient id={`gradient_${index}`} x1="0%" x2="0%" y1="0%" y2="100%">
<stop offset="0" stopColor={this._colors[index]} />
<stop offset="100%" stopColor="transparent" />
</linearGradient>
</defs>
)}
<path
id={`${index}-graph-${this._uniqueIdForGraph}`}
d={area(singleStackedData)!}
fill={this.props.enableGradient ? `url(#gradient_${index})` : this._colors[index]}
opacity={layerOpacity}
fillOpacity={this._getOpacity(points[index]!.legend)}
id={`${index}-line-${this._uniqueIdForGraph}`}
d={line(singleStackedData)!}
fill={'transparent'}
strokeWidth={points[index].lineOptions?.strokeWidth ?? 3}
stroke={this._colors[index]}
opacity={this._getLineOpacity(points[index]!.legend)}
onMouseMove={this._onRectMouseMove}
onMouseOut={this._onRectMouseOut}
onMouseOver={this._onRectMouseMove}
{...(this.props.optimizeLargeData && {
'data-is-focusable': this._legendHighlighted(points[index]!.legend) || this._noLegendHighlighted(),
role: 'img',
'aria-label': `${points[index].legend}, series ${index + 1} of ${points.length} with ${
points[index].data.length
} data points.`,
})}
strokeDasharray={points[index].lineOptions?.strokeDasharray}
strokeDashoffset={points[index].lineOptions?.strokeDashoffset}
strokeLinecap={points[index].lineOptions?.strokeLinecap}
/>
)}
</React.Fragment>,
);
{singleStackedData.length === 1 ? (
<circle
id={`${index}-graph-${this._uniqueIdForGraph}`}
cx={xScale(singleStackedData[0].xVal)}
cy={yScale(singleStackedData[0].values[1])}
r={6}
stroke={this._colors[index]}
strokeWidth={3}
fill={this._colors[index]}
opacity={layerOpacity}
fillOpacity={this._getOpacity(points[index]!.legend)}
onMouseMove={this._onRectMouseMove}
onMouseOut={this._onRectMouseOut}
onMouseOver={this._onRectMouseMove}
/>
) : (
<path
id={`${index}-graph-${this._uniqueIdForGraph}`}
d={area(singleStackedData)!}
fill={this.props.enableGradient ? `url(#gradient_${index})` : this._colors[index]}
opacity={layerOpacity}
fillOpacity={this._getOpacity(points[index]!.legend)}
onMouseMove={this._onRectMouseMove}
onMouseOut={this._onRectMouseOut}
onMouseOver={this._onRectMouseMove}
{...(this.props.optimizeLargeData && {
'data-is-focusable': this._legendHighlighted(points[index]!.legend) || this._noLegendHighlighted(),
role: 'img',
'aria-label': `${points[index].legend}, series ${index + 1} of ${points.length} with ${
points[index].data.length
} data points.`,
})}
/>
)}
</React.Fragment>,
);
}
});

const circleRadius = pointOptions && pointOptions.r ? Number(pointOptions.r) : 8;
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