Method addEdge

Data-Structures/Graph/Graph.js:14–19

(vertex1, vertex2)

  }

  addEdge(vertex1, vertex2) {
    if (this.containsVertex(vertex1) && this.containsVertex(vertex2)) {
      this.adjacencyMap[vertex1].push(vertex2)
      this.adjacencyMap[vertex2].push(vertex1)
    }
  }

  printGraph(output = (value) => console.log(value)) {
    const keys = Object.keys(this.adjacencyMap)