chart.js

export default class DatasetController { /** * @type {any} */ static defaults: any; /** * Element type used to generate a meta dataset (e.g. Chart.element.LineElement). */ static datasetElementType: any; /** * Element type used to generate a meta data (e.g. Chart.element.PointElement). */ static dataElementType: any; /** * @param {Chart} chart * @param {number} datasetIndex */ constructor(chart: Chart, datasetIndex: number); chart: import("./core.controller.js").default; _ctx: any; index: number; _cachedDataOpts: {}; _cachedMeta: any; _type: any; options: any; /** @type {boolean | object} */ _parsing: boolean | object; _data: any; _objectData: any; _sharedOptions: any; _drawStart: any; _drawCount: any; enableOptionSharing: boolean; supportsDecimation: boolean; $context: any; _syncList: any[]; datasetElementType: any; dataElementType: any; initialize(): void; updateIndex(datasetIndex: any): void; linkScales(): void; getDataset(): any; getMeta(): any; /** * @param {string} scaleID * @return {Scale} */ getScaleForId(scaleID: string): Scale; /** * @private */ private _getOtherScale; reset(): void; /** * @private */ private _destroy; /** * @private */ private _dataCheck; addElements(): void; buildOrUpdateElements(resetNewElements: any): void; /** * Merges user-supplied and default dataset-level options * @private */ private configure; /** * @param {number} start * @param {number} count */ parse(start: number, count: number): void; /** * Parse array of primitive values * @param {object} meta - dataset meta * @param {array} data - data array. Example [1,3,4] * @param {number} start - start index * @param {number} count - number of items to parse * @returns {object} parsed item - item containing index and a parsed value * for each scale id. * Example: {xScale0: 0, yScale0: 1} * @protected */ protected parsePrimitiveData(meta: object, data: any[], start: number, count: number): object; /** * Parse array of arrays * @param {object} meta - dataset meta * @param {array} data - data array. Example [[1,2],[3,4]] * @param {number} start - start index * @param {number} count - number of items to parse * @returns {object} parsed item - item containing index and a parsed value * for each scale id. * Example: {x: 0, y: 1} * @protected */ protected parseArrayData(meta: object, data: any[], start: number, count: number): object; /** * Parse array of objects * @param {object} meta - dataset meta * @param {array} data - data array. Example [{x:1, y:5}, {x:2, y:10}] * @param {number} start - start index * @param {number} count - number of items to parse * @returns {object} parsed item - item containing index and a parsed value * for each scale id. _custom is optional * Example: {xScale0: 0, yScale0: 1, _custom: {r: 10, foo: 'bar'}} * @protected */ protected parseObjectData(meta: object, data: any[], start: number, count: number): object; /** * @protected */ protected getParsed(index: any): any; /** * @protected */ protected getDataElement(index: any): any; /** * @protected */ protected applyStack(scale: any, parsed: any, mode: any): any; /** * @protected */ protected updateRangeFromParsed(range: any, scale: any, parsed: any, stack: any): void; /** * @protected */ protected getMinMax(scale: any, canStack: any): { min: number; max: number; }; getAllParsedValues(scale: any): number[]; /** * @return {number|boolean} * @protected */ protected getMaxOverflow(): number | boolean; /** * @protected */ protected getLabelAndValue(index: any): { label: string; value: string; }; /** * @private */ private _update; /** * @param {string} mode */ update(mode: string): void; draw(): void; /** * Returns a set of predefined style properties that should be used to represent the dataset * or the data if the index is specified * @param {number} index - data index * @param {boolean} [active] - true if hover * @return {object} style object */ getStyle(index: number, active?: boolean): object; /** * @protected */ protected getContext(index: any, active: any, mode: any): any; /** * @param {string} [mode] * @protected */ protected resolveDatasetElementOptions(mode?: string): any; /** * @param {number} index * @param {string} [mode] * @protected */ protected resolveDataElementOptions(index: number, mode?: string): any; /** * @private */ private _resolveElementOptions; /** * @private */ private _resolveAnimations; /** * Utility for getting the options object shared between elements * @protected */ protected getSharedOptions(options: any): any; /** * Utility for determining if `options` should be included in the updated properties * @protected */ protected includeOptions(mode: any, sharedOptions: any): boolean; /** * @todo v4, rename to getSharedOptions and remove excess functions */ _getSharedOptions(start: any, mode: any): { sharedOptions: any; includeOptions: boolean; }; /** * Utility for updating an element with new properties, using animations when appropriate. * @protected */ protected updateElement(element: any, index: any, properties: any, mode: any): void; /** * Utility to animate the shared options, that are potentially affecting multiple elements. * @protected */ protected updateSharedOptions(sharedOptions: any, mode: any, newOptions: any): void; /** * @private */ private _setStyle; removeHoverStyle(element: any, datasetIndex: any, index: any): void; setHoverStyle(element: any, datasetIndex: any, index: any): void; /** * @private */ private _removeDatasetHoverStyle; /** * @private */ private _setDatasetHoverStyle; /** * @private */ private _resyncElements; /** * @private */ private _insertElements; updateElements(element: any, start: any, count: any, mode: any): void; /** * @private */ private _removeElements; /** * @private */ private _sync; _onDataPush(...args: any[]): void; _onDataPop(): void; _onDataShift(): void; _onDataSplice(start: any, count: any, ...args: any[]): void; _onDataUnshift(...args: any[]): void; } export type Chart = import('./core.controller.js').default; export type Scale = import('./core.scale.js').default;