@antv/g2/lib/api/extend.d.ts

the Grammar of Graphics in Javascript

import { G2Spec } from '../spec';
import { G2Library } from '../runtime';
import { Runtime, RuntimeOptions } from './runtime';
import { MarkOf, CompositionOf as Of } from './types';
import { MarkNode } from './mark';
import { CompositionNode } from './composition';
type BuiltinComposition = {
    'composition.mark': any;
    'composition.view': any;
};
export type CompositionOf<Library> = Of<Library, (composite?: any) => CompositionAPI<Library>>;
export type CompositionAPI<Library> = CompositionNode<CompositionOf<Library> & MarkOf<Library, (composite?: any) => MarkNode>> & MarkOf<Library, (composite?: any) => MarkNode> & CompositionOf<Library>;
export type API<Spec, Library> = Runtime<Spec> & MarkOf<Library, (composite?: any) => MarkNode> & CompositionOf<Library & BuiltinComposition>;
export declare function extend<Spec extends G2Spec = G2Spec, Library extends G2Library = G2Library>(Runtime: new (options: RuntimeOptions) => Runtime<Spec>, library: Library): new (options?: RuntimeOptions) => API<Spec, Library>;
export {};