Solution

.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

@@ -11,13 +11,14 @@
     "test:only": "mate-scripts test",
     "update": "mate-scripts update",
     "postinstall": "npm run update",
-    "test": "npm run lint && npm run test:only"
+    "test": "npm run lint && npm run test:only",
+    "test:watch": "jest --watch"
   },
   "author": "Mate academy",
   "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/checkErrors.js

@@ -0,0 +1,33 @@
+/* eslint-disable max-len */
+
+function checkErrors(textToConvert, caseName) {
+  const errors = [];
+  const availableCases = ['SNAKE', 'KEBAB', 'CAMEL', 'PASCAL', 'UPPER'];
+
+  if (!textToConvert) {
+    errors.push({
+      message:
+        'Text to convert is required. Correct request is: "/<TEXT_TO_CONVERT>?toCase=<CASE_NAME>"',
+    });
+  }
+
+  if (!caseName) {
+    errors.push({
+      message:
+        '"toCase" query param is required. Correct request is: "/<TEXT_TO_CONVERT>?toCase=<CASE_NAME>"',
+    });
+  } else {
+    if (!availableCases.includes(caseName)) {
+      errors.push({
+        message:
+          'This case is not supported. Available cases: SNAKE, KEBAB, CAMEL, PASCAL, UPPER',
+      });
+    }
+  }
+
+  return errors;
+}
+
+module.exports = {
+  checkErrors,
+};

src/createServer.js

@@ -1,3 +1,69 @@
-// 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/convertToCase.js');
+const { checkErrors } = require('./checkErrors.js');
+
+function createServer() {
+  const server = http.createServer((req, res) => {
+    res.setHeader('Content-Type', 'application/json');
+
+    const normalizedUrl = new URL(req.url, `http://${req.headers.host}`);
+    const textToConvert = normalizedUrl.pathname.slice(1);
+    const params = new URLSearchParams(normalizedUrl);
+    const caseName = params.get('toCase');
+
+    const isErrors = checkErrors(textToConvert, caseName);
+
+    if (isErrors.length > 0) {
+      res.statusCode(400);
+      res.statusMessage = 'Bad request';
+
+      res.end(
+        JSON.stringify({
+          errors: isErrors,
+        }),
+      );
+
+      return;
+    }
+
+    const convertedObj = convertToCase(textToConvert, caseName);
+
+    /*
+    {
+      originalCase: 'CASE_NAME',
+      convertedText: 'CONVERTED_TEXT',
+    }
+    */
+
+    const { originalCase, convertedText } = convertedObj;
+
+    const result = {
+      originalCase,
+      targetCase: caseName,
+      originalText: textToConvert,
+      convertedText,
+    };
+
+    /*
+    {
+      "originalCase": "KEBAB",
+      "targetCase": "PASCAL",
+      "originalText": "hello-world",
+      "convertedText": "HelloWorld"
+    }
+    */
+
+    res.statusCode(200);
+    res.statusMessage = 'OK';
+    res.end(JSON.stringify(result));
+  });
+
+  return server;
+}
+
+module.exports = {
+  createServer,
+};