# Class: Chart<TType, TData, TLabel>

# Type parameters

Name Type
TType extends ChartType = ChartType
TData DefaultDataPoint<TType>
TLabel unknown

# Constructors

# constructor

• new Chart<TType, TData, TLabel>(item, config)

# Type parameters

Name Type
TType extends keyof ChartTypeRegistry = keyof ChartTypeRegistry
TData DistributiveArray<ChartTypeRegistry[TType]["defaultDataPoint"]>
TLabel unknown

# Parameters

Name Type
item ChartItem
config ChartConfiguration<TType, TData, TLabel> | ChartConfigurationCustomTypesPerDataset<TType, TData, TLabel>

# Defined in

types/index.d.ts:519

# Properties

# aspectRatio

• Readonly aspectRatio: number

# Defined in

types/index.d.ts:506


# attached

• Readonly attached: boolean

# Defined in

types/index.d.ts:511


# boxes

• Readonly boxes: LayoutItem[]

# Defined in

types/index.d.ts:507


# canvas

• Readonly canvas: HTMLCanvasElement

# Defined in

types/index.d.ts:501


# chartArea

• Readonly chartArea: ChartArea

# Defined in

types/index.d.ts:509


# config

• Readonly config: ChartConfiguration<TType, TData, TLabel> | ChartConfigurationCustomTypesPerDataset<TType, TData, TLabel>

# Defined in

types/index.d.ts:503


# ctx

• Readonly ctx: CanvasRenderingContext2D

# Defined in

types/index.d.ts:502


# currentDevicePixelRatio

• Readonly currentDevicePixelRatio: number

# Defined in

types/index.d.ts:508


# data

• data: ChartData<TType, TData, TLabel>

# Defined in

types/index.d.ts:516


# height

• Readonly height: number

# Defined in

types/index.d.ts:505


# id

• Readonly id: string

# Defined in

types/index.d.ts:500


# legend

• Optional Readonly legend: LegendElement<TType>

# Defined in

types/index.d.ts:513


# options

• options: Exclude<DeepPartial<CoreChartOptions<TType> & ElementChartOptions<TType> & PluginChartOptions<TType> & DatasetChartOptions<TType> & ScaleChartOptions<TType> & ChartTypeRegistry[TType]["chartOptions"]>, _DeepPartialArray<unknown>>

# Defined in

types/index.d.ts:517


# platform

• Readonly platform: BasePlatform

# Defined in

types/index.d.ts:499


# scales

• Readonly scales: Object

# Index signature

▪ [key: string]: Scale

# Defined in

types/index.d.ts:510


# tooltip

• Optional Readonly tooltip: TooltipModel<TType>

# Defined in

types/index.d.ts:514


# width

• Readonly width: number

# Defined in

types/index.d.ts:504


# defaults

▪ Static Readonly defaults: Defaults

# Defined in

types/index.d.ts:561


# instances

▪ Static Readonly instances: Object

# Index signature

▪ [key: string]: Chart

# Defined in

types/index.d.ts:564


# overrides

▪ Static Readonly overrides: Overrides

# Defined in

types/index.d.ts:562


# registry

▪ Static Readonly registry: Registry

# Defined in

types/index.d.ts:565


# version

▪ Static Readonly version: string

# Defined in

types/index.d.ts:563

# Methods

# bindEvents

▸ bindEvents(): void

# Returns

void

# Defined in

types/index.d.ts:551


# buildOrUpdateControllers

▸ buildOrUpdateControllers(): void

# Returns

void

# Defined in

types/index.d.ts:527


# buildOrUpdateScales

▸ buildOrUpdateScales(): void

# Returns

void

# Defined in

types/index.d.ts:526


# clear

▸ clear(): Chart<TType, TData, TLabel>

# Returns

Chart<TType, TData, TLabel>

# Defined in

types/index.d.ts:521


# destroy

▸ destroy(): void

# Returns

void

# Defined in

types/index.d.ts:549


# draw

▸ draw(): void

# Returns

void

# Defined in

types/index.d.ts:531


# ensureScalesHaveIDs

▸ ensureScalesHaveIDs(): void

# Returns

void

# Defined in

types/index.d.ts:525


# getActiveElements

▸ getActiveElements(): ActiveElement[]

# Returns

ActiveElement[]

# Defined in

types/index.d.ts:546


# getContext

▸ getContext(): Object

# Returns

Object

Name Type
chart Chart<keyof ChartTypeRegistry, (number | [number, number] | Point | BubbleDataPoint)[], unknown>
type string

# Defined in

types/index.d.ts:559


# getDataVisibility

▸ getDataVisibility(index): boolean

# Parameters

Name Type
index number

# Returns

boolean

# Defined in

types/index.d.ts:542


# getDatasetMeta

▸ getDatasetMeta(datasetIndex): ChartMeta<keyof ChartTypeRegistry, default<AnyObject, AnyObject>, default<AnyObject, AnyObject>>

# Parameters

Name Type
datasetIndex number

# Returns

ChartMeta<keyof ChartTypeRegistry, default<AnyObject, AnyObject>, default<AnyObject, AnyObject>>

# Defined in

types/index.d.ts:537


# getElementsAtEventForMode

▸ getElementsAtEventForMode(e, mode, options, useFinalPosition): InteractionItem[]

# Parameters

Name Type
e Event
mode string
options InteractionOptions
useFinalPosition boolean

# Returns

InteractionItem[]

# Defined in

types/index.d.ts:534


# getSortedVisibleDatasetMetas

▸ getSortedVisibleDatasetMetas(): ChartMeta<keyof ChartTypeRegistry, default<AnyObject, AnyObject>, default<AnyObject, AnyObject>>[]

# Returns

ChartMeta<keyof ChartTypeRegistry, default<AnyObject, AnyObject>, default<AnyObject, AnyObject>>[]

# Defined in

types/index.d.ts:536


# getVisibleDatasetCount

▸ getVisibleDatasetCount(): number

# Returns

number

# Defined in

types/index.d.ts:538


# hide

▸ hide(datasetIndex, dataIndex?): void

# Parameters

Name Type
datasetIndex number
dataIndex? number

# Returns

void

# Defined in

types/index.d.ts:543


# isDatasetVisible

▸ isDatasetVisible(datasetIndex): boolean

# Parameters

Name Type
datasetIndex number

# Returns

boolean

# Defined in

types/index.d.ts:539


# isPluginEnabled

▸ isPluginEnabled(pluginId): boolean

# Parameters

Name Type
pluginId string

# Returns

boolean

# Defined in

types/index.d.ts:557


# isPointInArea

▸ isPointInArea(point): boolean

# Parameters

Name Type
point Point

# Returns

boolean

# Defined in

types/index.d.ts:533


# notifyPlugins

▸ notifyPlugins(hook, args?): boolean | void

# Parameters

Name Type
hook string
args? AnyObject

# Returns

boolean | void

# Defined in

types/index.d.ts:555


# render

▸ render(): void

# Returns

void

# Defined in

types/index.d.ts:530


# reset

▸ reset(): void

# Returns

void

# Defined in

types/index.d.ts:528


# resize

▸ resize(width?, height?): void

# Parameters

Name Type
width? number
height? number

# Returns

void

# Defined in

types/index.d.ts:524


# setActiveElements

▸ setActiveElements(active): void

# Parameters

Name Type
active ActiveDataPoint[]

# Returns

void

# Defined in

types/index.d.ts:547


# setDatasetVisibility

▸ setDatasetVisibility(datasetIndex, visible): void

# Parameters

Name Type
datasetIndex number
visible boolean

# Returns

void

# Defined in

types/index.d.ts:540


# show

▸ show(datasetIndex, dataIndex?): void

# Parameters

Name Type
datasetIndex number
dataIndex? number

# Returns

void

# Defined in

types/index.d.ts:544


# stop

▸ stop(): Chart<TType, TData, TLabel>

# Returns

Chart<TType, TData, TLabel>

# Defined in

types/index.d.ts:522


# toBase64Image

▸ toBase64Image(type?, quality?): string

# Parameters

Name Type
type? string
quality? unknown

# Returns

string

# Defined in

types/index.d.ts:550


# toggleDataVisibility

▸ toggleDataVisibility(index): void

# Parameters

Name Type
index number

# Returns

void

# Defined in

types/index.d.ts:541


# unbindEvents

▸ unbindEvents(): void

# Returns

void

# Defined in

types/index.d.ts:552


# update

▸ update(mode?): void

# Parameters

Name Type
mode? "none" | "hide" | "show" | "default" | "active" | "resize" | "reset" | (ctx: { datasetIndex: number }) => "none" | "hide" | "show" | "default" | "active" | "resize" | "reset"

# Returns

void

# Defined in

types/index.d.ts:529


# updateHoverStyle

▸ updateHoverStyle(items, mode, enabled): void

# Parameters

Name Type
items InteractionItem[]
mode "dataset"
enabled boolean

# Returns

void

# Defined in

types/index.d.ts:553


# getChart

▸ Static getChart(key): Chart<keyof ChartTypeRegistry, (number | [number, number] | Point | BubbleDataPoint)[], unknown>

# Parameters

Name Type
key string | HTMLCanvasElement | CanvasRenderingContext2D

# Returns

Chart<keyof ChartTypeRegistry, (number | [number, number] | Point | BubbleDataPoint)[], unknown>

# Defined in

types/index.d.ts:566


# register

▸ Static register(...items): void

# Parameters

Name Type
...items ChartComponentLike[]

# Returns

void

# Defined in

types/index.d.ts:567


# unregister

▸ Static unregister(...items): void

# Parameters

Name Type
...items ChartComponentLike[]

# Returns

void

# Defined in

types/index.d.ts:568