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@tanstack/charts

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A chart grammar for TypeScript and JavaScript. Marks consume your data directly, channels describe visual encodings, and the engine compiles them into a renderer-neutral keyed scene. TanStack's compact scales cover common numeric and categorical mappings.

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import type { TransformGroupSpec, TransformLineage, TransformOrder, TransformValue } from './transform.js'; export type RankTies = 'competition' | 'dense' | 'ordinal'; export interface RankOptions<TDatum> { value: TransformValue<TDatum, number | null | undefined>; by?: TransformGroupSpec<TDatum>; order?: TransformOrder; ties?: RankTies; as?: string; } export type RankDatum<TDatum, TAs extends string> = Omit<TDatum, TAs | keyof TransformLineage<TDatum>> & TransformLineage<TDatum> & { readonly [TKey in TAs]: number; }; export declare function rank<TDatum extends object, const TBy extends TransformGroupSpec<TDatum> | undefined = undefined, const TAs extends string = 'rank'>(source: Iterable<TDatum>, options: RankOptions<TDatum> & { by?: TBy; as?: TAs; }): RankDatum<TDatum, TAs>[];