feat: 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

@@ -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/constants/supportedCases.js

@@ -0,0 +1,5 @@
+const supportedCases = ['SNAKE', 'KEBAB', 'CAMEL', 'PASCAL', 'UPPER'];
+
+module.exports = {
+  supportedCases,
+};

src/createServer.js

@@ -1,3 +1,48 @@
-// Write code here
-// Also, you can create additional files in the src folder
-// and import (require) them here
+const http = require('node:http');
+
+const { prepareUrl } = require('./servises/prepareUrl');
+const { convertToCase } = require('./convertToCase/convertToCase');
+const { prepareErrors } = require('./servises/prepareErrors');
+
+function createServer() {
+  const server = http.createServer((req, res) => {
+    try {
+      const params = prepareUrl(req.url, req.headers.host);
+
+      if (params.errorArr && params.errorArr.length > 0) {
+        const errorResponse = prepareErrors(params.errorArr);
+
+        res.statusCode = 400;
+        res.statusMessage = 'Bad request';
+        res.setHeader('Content-Type', 'application/json');
+
+        return res.end(JSON.stringify({ errors: errorResponse }));
+      }
+
+      const data = convertToCase(params.textToConvert, params.caseToConvert);
+
+      const response = {
+        originalCase: data.originalCase,
+        targetCase: params.caseToConvert,
+        originalText: params.textToConvert,
+        convertedText: data.convertedText,
+      };
+
+      res.statusCode = 200;
+      res.statusMessage = 'OK';
+      res.setHeader('Content-Type', 'application/json');
+      res.end(JSON.stringify(response));
+    } catch (err) {
+      res.statusCode = 500;
+      res.statusMessage = 'Internal Server Error';
+      res.setHeader('Content-Type', 'application/json');
+      res.end(JSON.stringify({ error: 'Internal Server Error' }));
+    }
+  });
+
+  return server;
+}
+
+module.exports = {
+  createServer,
+};

src/errors.json

@@ -0,0 +1,5 @@
+{
+  "missedTextToConvert": "Text to convert is required. Correct request is: \"/<TEXT_TO_CONVERT>?toCase=<CASE_NAME>\".",
+  "missedCaseToConvert": "\"toCase\" query param is required. Correct request is: \"/<TEXT_TO_CONVERT>?toCase=<CASE_NAME>\".",
+  "notSupportedCase": "This case is not supported. Available cases: SNAKE, KEBAB, CAMEL, PASCAL, UPPER."
+}

src/servises/prepareErrors.js

@@ -0,0 +1,7 @@
+function prepareErrors(errorsArray) {
+  return errorsArray.map((msg) => ({ message: msg }));
+}
+
+module.exports = {
+  prepareErrors,
+};

src/servises/prepareUrl.js

@@ -0,0 +1,29 @@
+const errors = require('../errors.json');
+const { supportedCases } = require('../constants/supportedCases');
+
+function prepareUrl(urlFromWeb, baseUrl) {
+  const dataFromUrl = new URL(urlFromWeb, `http://${baseUrl}`);
+  const textFromUrl = dataFromUrl.pathname.slice(1);
+  const caseFromUrl = dataFromUrl.searchParams.get('toCase');
+  const appearedErrors = [];
+
+  if (!textFromUrl) {
+    appearedErrors.push(errors.missedTextToConvert);
+  }
+
+  if (!caseFromUrl) {
+    appearedErrors.push(errors.missedCaseToConvert);
+  } else if (!supportedCases.includes(caseFromUrl)) {
+    appearedErrors.push(errors.notSupportedCase);
+  }
+
+  return {
+    textToConvert: textFromUrl,
+    caseToConvert: caseFromUrl,
+    errorArr: appearedErrors,
+  };
+}
+
+module.exports = {
+  prepareUrl,
+};