@theguild/federation-composition/typings/supergraph/validation/rules/satisfiablity/walker.d.ts

Open Source Composition library for Apollo Federation

import { OperationTypeNode } from 'graphql';
import type { Logger } from '../../../../utils/logger.js';
import { type Edge } from './edge.js';
import { SatisfiabilityError } from './errors.js';
import type { Graph } from './graph.js';
import { type Lazy } from './helpers.js';
import type { MoveValidator } from './move-validator.js';
import { OperationPath, type Step } from './operation-path.js';
export declare class WalkTracker {
    superPath: OperationPath;
    paths: OperationPath[];
    private errors;
    constructor(superPath: OperationPath, paths: OperationPath[]);
    move(edge: Edge): WalkTracker;
    addPath(path: OperationPath): void;
    addError(error: Lazy<SatisfiabilityError>): void;
    isPossible(): boolean;
    givesEmptyResult(): boolean;
    isEdgeVisited(edge: Edge): boolean;
    listErrors(): SatisfiabilityError[];
}
export declare class Walker {
    private moveChecker;
    private supergraph;
    private mergedGraph;
    private logger;
    private pathFinder;
    constructor(logger: Logger, moveChecker: MoveValidator, supergraph: Graph, mergedGraph: Graph);
    walkTrail(operationType: OperationTypeNode, steps: Step[]): WalkTracker;
    walk(method?: 'bfs' | 'dfs'): WalkTracker[];
    private nextStep;
    private dfs;
    private _dfs;
    private bfs;
}
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