Step #3

bin/gendiff.js

@@ -1,11 +1,30 @@
 #!/usr/bin/env node
 import { Command } from 'commander';
+import * as path from 'node:path';
+import { cwd } from 'node:process';
+import { readFileSync } from 'node:fs';
+import fileParse from '../src/fileParse.js';
 
 const program = new Command();
 
 program
   .name('gendiff')
   .description('Compares two configuration files and shows a difference.')
-  .version('1.0.0');
+  .version('1.0.0')
+  .arguments('<filepath1> <filepath2>')
+  .option('-f, --format [type]', 'output format')
+  .action((filepath1, filepath2) => {
+    const absolutePath1 = path.resolve(cwd(), filepath1);
+    const absolutePath2 = path.resolve(cwd(), filepath2);
+
+    const file1Content = readFileSync(absolutePath1);
+    const file2Content = readFileSync(absolutePath2);
+
+    const file1Parsed = fileParse(file1Content);
+    const file2Parsed = fileParse(file2Content);
+
+    console.log(file1Parsed);
+    console.log(file2Parsed);
+  });
 
 program.parse(process.argv);

file1.json

@@ -0,0 +1,6 @@
+{
+  "host": "hexlet.io",
+  "timeout": 50,
+  "proxy": "123.234.53.22",
+  "follow": false
+}

file2.json

@@ -0,0 +1,5 @@
+{
+  "timeout": 20,
+  "verbose": true,
+  "host": "hexlet.io"
+}

src/fileParse.js

@@ -0,0 +1,3 @@
+const fileParse = (file) => JSON.parse(file);
+
+export default fileParse;