Method hasProperty

packages/graph/src/Graph.ts:885–890

(key: string, value: any = undefined)

    value: VertexProperties<TSchema, TVertexLabel>[TKey],
  ): this is Vertex<TSchema, TVertexLabel & VertexLabelsWithProperty<TSchema, TKey>>;
  public hasProperty(key: string, value: any = undefined) {
    if (value === undefined) {
      return this[$StoredElement].properties[key as keyof object] !== undefined;
    }
    return this[$StoredElement].properties[key as keyof object] === value;
  }

  [customInspectSymbol]() {
    return `Vertex("${this.id}", ${JSON.stringify(this[$StoredElement].properties)})`;