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fix(axisPointer): always show for connected charts with null values #21069

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fix(axisPointer): always show for connected charts with null values #21069

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c5d86d3
fix(axisPointer): always show for connected charts with null values
sjcobb Jun 26, 2025
bfcead5
change option to axisPointer.alwaysShowContent
sjcobb Aug 15, 2025
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5 changes: 4 additions & 1 deletion src/component/axisPointer/axisTrigger.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -164,10 +164,13 @@ export default function axisTrigger(
const coordSysContainsPoint = isIllegalPoint || coordSys.containPoint(point);

each(coordSysAxesInfo.coordSysAxesInfo[coordSysKey], function (axisInfo, key) {
// Allow connected charts to bypass illegalPoint check and always show shared
// axisPointer regardless of series data.
const isAlwaysShowContent = axisInfo.axisPointerModel.get('alwaysShowContent');
const axis = axisInfo.axis;
const inputAxisInfo = findInputAxisInfo(inputAxesInfo, axisInfo);
// If no inputAxesInfo, no axis is restricted.
if (!shouldHide && coordSysContainsPoint && (!inputAxesInfo || inputAxisInfo)) {
if (isAlwaysShowContent || !shouldHide && coordSysContainsPoint && (!inputAxesInfo || inputAxisInfo)) {
let val = inputAxisInfo && inputAxisInfo.value;
if (val == null && !isIllegalPoint) {
val = axis.pointToData(point);
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2 changes: 2 additions & 0 deletions src/util/types.ts
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Expand Up @@ -1662,6 +1662,8 @@ type LabelFormatterParams = {
export interface CommonAxisPointerOption {
show?: boolean | 'auto'

alwaysShowContent?: boolean

z?: number;
zlevel?: number;

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172 changes: 172 additions & 0 deletions test/axis-pointer-sync.html
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