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

the Grammar of Graphics in Javascript

import { EncodeComponent, Primitive } from '../runtime';
export type Encode = ConstantEncode | FieldEncode | TransformEncode | ColumnEncode | ConstantEncode['value'] | FieldEncode['value'] | TransformEncode['value'];
export type EncodeTypes = 'constant' | 'field' | 'transform' | 'column' | EncodeComponent;
export type ConstantEncode = {
    type?: 'constant';
    value?: any;
};
export type FieldEncode = {
    type?: 'field';
    value?: string;
};
export type ColumnEncode = {
    type?: 'column';
    value?: Primitive[];
};
export type TransformEncode = {
    type?: 'transform';
    value?: (value: Record<string, Primitive>, index: number, array: Record<string, Primitive>[]) => Primitive;
};
export type CustomEncode = {
    type?: EncodeComponent;
    [key: string]: any;
};