Node.js Case Transformer HTTP Server

.github/workflows/test.yml-template

@@ -0,0 +1,23 @@
+name: Test
+
+on:
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [20.x]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+    - run: npm install
+    - run: npm test

package.json

@@ -17,7 +17,7 @@
   "license": "GPL-3.0",
   "devDependencies": {
     "@mate-academy/eslint-config": "latest",
-    "@mate-academy/scripts": "^1.8.6",
+    "@mate-academy/scripts": "^2.1.3",
     "eslint": "^8.57.0",
     "eslint-plugin-jest": "^28.6.0",
     "eslint-plugin-node": "^11.1.0",

src/createServer.js

@@ -1,3 +1,61 @@
-// Write code here
-// Also, you can create additional files in the src folder
-// and import (require) them here
+/* eslint-disable max-len */
+const http = require('http');
+const { convertToCase } = require('./convertToCase');
+
+const SUPPORTED_CASES = ['SNAKE', 'KEBAB', 'CAMEL', 'PASCAL', 'UPPER'];
+
+function createServer() {
+  const server = http.createServer((req, res) => {
+    const [path, query] = req.url.split('?');
+    const text = path.slice(1);
+    const params = new URLSearchParams(query);
+    const toCase = params.get('toCase');
+
+    const errors = [];
+
+    if (!text) {
+      errors.push({
+        message:
+          'Text to convert is required. Correct request is: "/<TEXT_TO_CONVERT>?toCase=<CASE_NAME>".',
+      });
+    }
+
+    if (!toCase) {
+      errors.push({
+        message:
+          '"toCase" query param is required. Correct request is: "/<TEXT_TO_CONVERT>?toCase=<CASE_NAME>".',
+      });
+    }
+
+    if (toCase && !SUPPORTED_CASES.includes(toCase)) {
+      errors.push({
+        message:
+          'This case is not supported. Available cases: SNAKE, KEBAB, CAMEL, PASCAL, UPPER.',
+      });
+    }
+
+    if (errors.length > 0) {
+      res.writeHead(400, 'Bad request', { 'Content-Type': 'application/json' });
+      res.end(JSON.stringify({ errors }));
+
+      return;
+    }
+
+    const result = convertToCase(text, toCase);
+
+    res.writeHead(200, 'OK', { 'Content-Type': 'application/json' });
+
+    const response = {
+      originalCase: result.originalCase,
+      targetCase: toCase,
+      convertedText: result.convertedText,
+      originalText: text,
+    };
+
+    res.end(JSON.stringify(response));
+  });
+
+  return server;
+}
+
+module.exports = { createServer };