Graph with Reflection

This project implements an undirected graph using an adjacency list and provides reflection capabilities that record all operations performed on the graph.

Features

• Adjacency List: Efficient storage and traversal of graph nodes and edges.
• Reflection: Every mutating operation (addNode, addEdge, removeNode, removeEdge) is logged.
• API:
  • addNode(node)
  • addEdge(u, v)
  • removeNode(node)
  • removeEdge(u, v)
  • getNeighbors(node)
  • hasEdge(u, v)
  • getNodes()
  • getLog() – returns a copy of the operation log.

Installation

npm install

Running Tests

npm test

Usage

const { createGraph } = require('./src/index');

const graph = createGraph();

graph.addNode('a');
graph.addNode('b');
graph.addEdge('a', 'b');

console.log(graph.getNeighbors('a')); // ['b']
console.log(graph.getLog());
// [
//   { method: 'addNode', args: ['a'] },
//   { method: 'addNode', args: ['b'] },
//   { method: 'addEdge', args: ['a', 'b'] }
// ]

The getLog() method returns a snapshot of all recorded operations, allowing you to inspect the history of changes made to the graph.