Method toString

packages/graph/src/Traversals.ts:260–294

()

  }

  public toString(): string {
    const parent = this.#parent;
    const value = this.#value;
    const labels = this.#labels;
    const formattedValue = value instanceof Element ? value.toString() : `#value`;
    const segment =
      labels.length === 0 ? formattedValue : `${formattedValue} as ${labels.join(", ")}`;

    if (parent === undefined) {
      return segment;
    }

    const parentValue = (parent as TraversalPath<any, any, any>).value;
    if (parentValue === undefined) {
      return segment;
    }
    if (parentValue instanceof Vertex && value instanceof Edge) {
      // outV is source, inV is target
      if (value.outV === parentValue) {
        // Parent vertex is the source - edge comes from it
        return `${parent} -> ${segment}`;
      }
      // Parent vertex is the target - edge points to it
      return `${parent} <- ${segment}`;
    } else if (parentValue instanceof Edge && value instanceof Vertex) {
      // outV is source, inV is target
      if (value === parentValue.inV) {
        // Current vertex is the target - edge points to it
        return `${parent} -> ${segment}`;
      }
      // Current vertex is the source - edge comes from it
      return `${parent} <- ${segment}`;
    }
    return `${parent} - ${segment}`;
  }

  *[Symbol.iterator](): IterableIterator<TraversalPath<any, any, any>> {
    const parent = this.#parent;