Angular Chart

import { Chart } from '@tanstack/angular-charts'

Chart is a standalone component with selector tanstack-chart. Its required options input accepts a chart definition. Replace the definition identity when captured application values change. The definition also owns focus, tooltip, animation, keyboard policy, focus distance, and spatial indexing.

options

Option	Type	Default	Meaning
definition	ChartDefinition	Required	Framework-neutral chart definition
ariaLabel	string	Required	Accessible chart name
ariaDescription	string	None	Optional accessible description
height	number	320 without a ratio	Fixed CSS and scene height
aspectRatio	number	None	Positive width-to-height ratio when height is absent
width	number	Responsive	Fixed CSS and scene width
initialWidth	number	640	Initial and server width before responsive measurement
tabIndex	number	0	Surface tab index; keyboard: false forces -1
idPrefix	string	Generated	Prefix for renderer-owned document IDs
renderSvg	ChartSvgRenderer<TDatum, TXValue, TYValue>	renderChartSvg	Scene-to-SVG renderer
measureText	ChartTextMeasurer	Host measurer	Guide text measurement
onFocusChange	(point: ChartPoint \| null) => void	None	Primary focus callback
onFocusGroupChange	(points: readonly ChartPoint[]) => void	None	Grouped focus callback
onSelect	(point: ChartPoint \| null) => void	None	Pointer or keyboard activation callback
onRender	(context: ChartRenderContext) => void	None	Live SVG, container, and scene after rendering
class	string	None	Extra class on the inner .ts-chart-host
style	string	None	Inner host declarations applied after adapter sizing
className	string	None	Extra class on the rendered SVG surface

Callbacks are functions inside options, not Angular outputs. Replace the complete options value when chart state changes so OnPush change detection delivers an ngOnChanges update.

Project a typed tooltip template into the chart:

html

<tanstack-chart [options]="chartOptions">
  <ng-template [tanstackChartTooltipBody]="chartOptions.definition" let-tooltip>
    <ng-container [ngTemplateOutlet]="tooltip.defaultBody" />
    <series-detail [points]="tooltip.points" />
    @if (tooltip.pinned) {
    <button type="button" (click)="tooltip.dismiss()">Close</button>
    }
  </ng-template>
</tanstack-chart>

Import ChartTooltipBodyDirective and Angular's NgTemplateOutlet beside Chart. The context exposes points, content, defaultBody, pinned, and dismiss; named template bindings are also available. Binding the same definition gives Angular's strict template checker the datum and x/y value types. Ordering, anchoring, placement, portaling, and pinning remain in the definition.

Exported types

ChartCommonOptions contains common host and presentation options. ChartOptions adds the definition. ChartPresentationOptions contains class and style. The package exports ChartTooltipBodyDirective, ChartTooltipBodyRenderContext, and ChartTooltipBodyTemplateContext. It also re-exports ChartDefinition and ChartPoint.

See the Angular adapter for lifecycle and SSR behavior, Focus and interaction for callback semantics, and Rendering and export for custom SVG renderers.

options#

Tooltip body template#

Exported types#

options

Tooltip body template

Exported types