Function dfs

dfs(graph, startIdOrVertex): Generator<Readonly<{
    id: string;
    out: readonly Readonly<{
        id: string;
        weight?: number;
    }>[];
}>, void, unknown>
Iterates over vertices from a starting vertex in an depth-first-search
Parameters
- graph: Readonly<{
      vertices: IMapImmutable<string, Readonly<{
          id: string;
          out: readonly Readonly<{
              id: string;
              weight?: number;
          }>[];
      }>>;
  }>
- startIdOrVertex: string | Readonly<{
      id: string;
      out: readonly Readonly<{
          id: string;
          weight?: number;
      }>[];
  }>
Returns Generator<Readonly<{
    id: string;
    out: readonly Readonly<{
        id: string;
        weight?: number;
    }>[];
}>, void, unknown>