feat: solution for 'Повторный экзамен: Граф с рефлексией и доработкой'

src/graph.js

@@ -0,0 +1,36 @@
+import { Graph as GraphLib } from 'graphlib';
+import _ from 'lodash';
+
+export default class Graph {
+  constructor() {
+    this.graph = new GraphLib();
+  }
+
+  addNode(node) {
+    this.graph.setNode(node);
+  }
+
+  addEdge(from, to) {
+    this.graph.setEdge(from, to);
+  }
+
+  hasEdge(from, to) {
+    return this.graph.hasEdge(from, to);
+  }
+
+  reflexive() {
+    this.graph.nodes().forEach((node) => {
+      if (!this.graph.hasEdge(node, node)) {
+        this.graph.setEdge(node, node);
+      }
+    });
+  }
+
+  getAdjacencyList() {
+    const adjacency = {};
+    this.graph.nodes().forEach((node) => {
+      adjacency[node] = this.graph.successors(node) || [];
+    });
+    return adjacency;
+  }
+}

src/index.js

@@ -1,63 +1,18 @@
-#!/usr/bin/env node
-/**
- * Simple Self-Correcting Agent
- *
- * This script demonstrates a minimal self‑correcting agent that
- * takes a string input and attempts to correct common typos such as
- * extra spaces, missing punctuation, and simple misspellings using
- * a small dictionary.
- *
- * The implementation uses only the Node.js standard library
- * and does not depend on any external frameworks.
- */
+import Graph from './graph.js';
 
-const process = require('process');
+const g = new Graph();
 
-// A very small dictionary of common misspellings
-const MISSPELLINGS = {
-    "teh": "the",
-    "recieve": "receive",
-    "adress": "address",
-    "occured": "occurred",
-    "seperate": "separate",
-    "definately": "definitely",
-    "goverment": "government",
-    "untill": "until",
-    "accomodate": "accommodate",
-    "wich": "which",
-};
+g.addNode('A');
+g.addNode('B');
+g.addNode('C');
 
-function correctSpelling(word) {
-    return MISSPELLINGS[word.toLowerCase()] || word;
-}
+g.addEdge('A', 'B');
+g.addEdge('B', 'C');
 
-function correctSentence(sentence) {
-    // Strip whitespace
-    sentence = sentence.trim();
-    // Collapse multiple spaces
-    sentence = sentence.replace(/\s+/g, ' ');
-    // Tokenise and correct words
-    const words = sentence.split(' ');
-    const correctedWords = words.map(correctSpelling);
-    let corrected = correctedWords.join(' ');
-    // Ensure ending punctuation
-    if (!/[.!?]$/.test(corrected)) {
-        corrected += '.';
-    }
-    return corrected;
-}
+console.log('Before reflexive:');
+console.log(g.getAdjacencyList());
 
-function main() {
-    const args = process.argv.slice(2);
-    if (args.length === 0) {
-        console.log('Usage: node src/index.js "<sentence>"');
-        process.exit(1);
-    }
-    const inputSentence = args.join(' ');
-    const corrected = correctSentence(inputSentence);
-    console.log(corrected);
-}
+g.reflexive();
 
-if (require.main === module) {
-    main();
-}
+console.log('After reflexive:');
+console.log(g.getAdjacencyList());