Function graph

graph(...initialConnections): Readonly<{
    edges: readonly Readonly<{
        a: string;
        b: string;
        weight?: number;
    }>[];
    vertices: IMapImmutable<string, Readonly<{
        id: string;
    }>>;
}>
Parameters
- Rest...initialConnections: Readonly<{
      a: string;
      b: string | string[];
      weight?: number;
  }>[]
Returns Readonly<{
    edges: readonly Readonly<{
        a: string;
        b: string;
        weight?: number;
    }>[];
    vertices: IMapImmutable<string, Readonly<{
        id: string;
    }>>;
}>