vega-lite
Version:
Vega-Lite is a concise high-level language for interactive visualization.
27 lines • 1.19 kB
TypeScript
import { AggregateOp, AggregateTransform as VgAggregateTransform } from 'vega';
import { AggregateTransform } from '../../transform.js';
import { Dict } from '../../util.js';
import { UnitModel } from '../unit.js';
import { DataFlowNode } from './dataflow.js';
type Measures = Dict<Partial<Record<AggregateOp, Set<string>>>>;
export declare class AggregateNode extends DataFlowNode {
private dimensions;
private measures;
clone(): AggregateNode;
/**
* @param dimensions string set for dimensions
* @param measures dictionary mapping field name => dict of aggregation functions and names to use
*/
constructor(parent: DataFlowNode, dimensions: Set<string>, measures: Measures);
get groupBy(): Set<string>;
static makeFromEncoding(parent: DataFlowNode, model: UnitModel): AggregateNode;
static makeFromTransform(parent: DataFlowNode, t: AggregateTransform): AggregateNode;
merge(other: AggregateNode): boolean;
addDimensions(fields: readonly string[]): void;
dependentFields(): Set<string>;
producedFields(): Set<string>;
hash(): string;
assemble(): VgAggregateTransform;
}
export {};
//# sourceMappingURL=aggregate.d.ts.map