@langgraph-js/pro/dist/createState.d.ts

The Pro SDK for LangGraph - seamlessly integrate your AI agents with frontend interfaces and build complex AI workflows

import { AnnotationRoot, StateDefinition } from "@langchain/langgraph";
/**
 * create state for langgraph, like python version
 * @example
 * export const GraphState = createState(createReactAgentAnnotation(), ModelState, SwarmState).build({
 *   current_plan: createDefaultAnnotation<Plan | null>(() => null),
 *   title: createDefaultAnnotation<string>(() => ""),
 *});
 */
export declare const createState: <T extends readonly AnnotationRoot<any>[]>(...parents: T) => {
    build: <D extends StateDefinition>(state?: D) => AnnotationRoot<UnionToIntersection<{ [K in keyof T]: T[K] extends AnnotationRoot<infer D_1 extends StateDefinition> ? D_1 : never; }[number]> & D>;
};
type UnionToIntersection<U> = (U extends any ? (k: U) => void : never) extends (k: infer I) => void ? I : never;
/**
 * 创建一个默认值注解
 * @example
 * const state = createState().build({
 *   current_plan: createDefaultAnnotation<Plan | null>(() => null),
 * });
 */
export declare const createDefaultAnnotation: <T>(defaultValue: () => T) => import("@langchain/langgraph").BinaryOperatorAggregate<T, T>;
/**
 * 创建一个数组注解
 * @example
 * const state = createState().build({
 *   current_plan: createArrayAnnotation<Plan>(),
 *   current_tags: createArrayAnnotation<Plan>(() => ['tag1', 'tag2']),
 * });
 */
export declare const createArrayAnnotation: <T>(defaultValue?: T[] | (() => T[])) => import("@langchain/langgraph").BinaryOperatorAggregate<T[], T[]>;
export {};