feat: basic cli gen-diff util

Makefile

@@ -0,0 +1,11 @@
+install:
+	npm ci
+
+gen-diff:
+	node bin/brain-games.js
+
+publish:
+	npm publish --dry-run
+
+link:
+	npm link

__fixtures__/file1.json

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

__fixtures__/file2.json

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

bin/gen-diff.js

@@ -1,4 +1,4 @@
 #!/usr/bin/env node
-import app from '../genDiff.js';
+import app from '../src/index.js';
 
 app();

package.json

@@ -2,7 +2,7 @@
   "name": "@hexlet/code",
   "version": "1.0.0",
   "description": "[![Actions Status](https://github.com/sazanik/frontend-project-46/actions/workflows/hexlet-check.yml/badge.svg)](https://github.com/sazanik/frontend-project-46/actions)",
-  "main": "index.js",
+  "main": "src/index.js",
   "type": "module",
   "bin": {
     "gen-diff": "bin/gen-diff.js"

src/index.js

@@ -0,0 +1,35 @@
+import path from 'path';
+import { program } from 'commander';
+
+import { parseFile } from './utils/index.js';
+
+const app = () => {
+  program
+    .name('genDiff')
+    .description('Compares two configuration files and shows a difference.')
+    .version('1.0.0')
+    .helpOption('-h, --help', 'output usage information')
+    .option('-f, --format [type]', 'output format')
+    .arguments('<filepath1> <filepath2>')
+    .action((filepath1, filepath2) => {
+      const absolutePath1 = path.resolve(process.cwd(), filepath1);
+      const absolutePath2 = path.resolve(process.cwd(), filepath2);
+
+      console.log(222, absolutePath1);
+      console.log(333, absolutePath2);
+
+      const data1 = parseFile(absolutePath1);
+      const data2 = parseFile(absolutePath2);
+
+      console.log('data1: ', data1);
+      console.log('data2: ', data2);
+    });
+
+  program.parse(process.argv);
+
+  // const options = program.opts();
+  // console.log(options);
+  // console.log(process.argv);
+};
+
+export default app;

src/utils/index.js

@@ -0,0 +1 @@
+export { default as parseFile } from './parseFile.js';

src/utils/parseFile.js

@@ -0,0 +1,14 @@
+import fs from 'fs';
+import path from 'path';
+
+export default (filePath) => {
+  const fileContent = fs.readFileSync(filePath, 'utf-8');
+  const extension = path.extname(filePath);
+
+  switch (extension) {
+    case '.json':
+      return JSON.parse(fileContent);
+    default:
+      throw new Error(`Unsupported file format: ${extension}`);
+  }
+};