@antv/g2/lib/spec/data.d.ts

the Grammar of Graphics in Javascript

import { DataTransform } from './dataTransform';
export type Data = FetchConnector | InlineConnector;
export type DataTypes = 'inline' | 'fetch';
export type FetchConnector = {
    type?: 'fetch';
    value?: string;
    format?: 'json' | 'csv';
    delimiter?: string;
    /** Automatically infer the data to Javascript type  */
    autoType?: boolean;
    transform?: DataTransform[];
};
export type InlineConnector = {
    type?: 'inline';
    value?: any;
    transform?: DataTransform[];
} | any;