completed prime number checker

.vscode/settings.json

@@ -1,35 +1,35 @@
 {
   "files.exclude": {
-    ".devcontainer": false,
-    ".logs": false,
-    ".vscode": false,
-    "bash": false,
-    "client": false,
-    "config": false,
-    "curriculum": false,
-    "node_modules": false,
-    "tooling": false,
-    ".gitignore": false,
-    "freecodecamp.conf.json": false,
-    "package-lock.json": false,
-    "package.json": false,
-    "README.md": false,
-    "build-a-timestamp-microservice": false,
-    "build-a-web-server": false,
-    "learn-nodejs-repl": false,
-    "build-a-case-converter": false,
+    ".devcontainer": true,
+    ".logs": true,
+    ".vscode": true,
+    "bash": true,
+    "client": true,
+    "config": true,
+    "curriculum": true,
+    "node_modules": true,
+    "tooling": true,
+    ".gitignore": true,
+    "freecodecamp.conf.json": true,
+    "package-lock.json": true,
+    "package.json": true,
+    "README.md": true,
+    "build-a-timestamp-microservice": true,
+    "build-a-web-server": true,
+    "learn-nodejs-repl": true,
+    "build-a-case-converter": true,
     "build-a-prime-number-checker-module": false,
-    "build-a-file-processor": false,
-    "build-a-family-movie-watchlist-api": false,
-    "build-a-random-joke-app": false,
-    "build-a-personal-profile-app": false,
-    "build-a-submission-form": false,
-    "build-a-data-sanitizer": false,
-    "build-a-weather-service-api": false,
-    "build-a-bank-api": false,
-    "build-a-resource-monitor": false,
-    "build-a-chat-app": false,
-    "build-jwt-protected-routes": false
+    "build-a-file-processor": true,
+    "build-a-family-movie-watchlist-api": true,
+    "build-a-random-joke-app": true,
+    "build-a-personal-profile-app": true,
+    "build-a-submission-form": true,
+    "build-a-data-sanitizer": true,
+    "build-a-weather-service-api": true,
+    "build-a-bank-api": true,
+    "build-a-resource-monitor": true,
+    "build-a-chat-app": true,
+    "build-jwt-protected-routes": true
   },
   "chat.disableAIFeatures": true,
   "files.autoSave": "off",
@@ -42,15 +42,18 @@
       "open": true,
       "showLoader": true,
       "timeout": 4000,
-      "url": "http://localhost:8080"
+      "url": "https://effective-bassoon-jgpgw6gr699hjgvx-8080.app.github.dev"
     }
   ],
   "terminal.integrated.defaultProfile.linux": "bash",
   "terminal.integrated.profiles.linux": {
     "bash": {
-      "args": ["--init-file", "./bash/sourcerer.sh"],
+      "args": [
+        "--init-file",
+        "./bash/sourcerer.sh"
+      ],
       "icon": "terminal-bash",
       "path": "bash"
     }
   }
-}
+}

build-a-case-converter/case_converter/.npmignore

@@ -0,0 +1 @@
+index.test.js

build-a-case-converter/case_converter/README.md

@@ -0,0 +1,22 @@
+# Case Converter
+
+This package is used to convert strings to a specific case..
+
+## Installation
+
+```bash
+npm install case_converter
+```
+
+## Usage
+```js
+const caseConverter = require("./index");
+const str = "hello free Code Camp!";
+console.log(caseConverter.getUpperCase(str)); // HELLO FREE CODE CAMP!
+console.log(caseConverter.getLowerCase(str)); // hello free code camp!
+console.log(caseConverter.getProperCase(str)); // Hello Free Code Camp!
+console.log(caseConverter.getSentenceCase(str)); // Hello free code camp!
+```
+
+## License
+MIT license

build-a-case-converter/case_converter/index.js

@@ -0,0 +1,40 @@
+const getUpperCase = (text) => {
+    const upperText = text.trim().toUpperCase();
+
+    return upperText;
+};
+
+const getLowerCase = (text) => {
+    const lowerText = text.trim().toLowerCase();
+
+    return lowerText;
+};
+
+const getSentenceCase = (text) => {
+
+    const first = getUpperCase(text[0]);
+    const rest = getLowerCase(text.slice(1,));
+    const sentence = `${first}${rest}`;
+
+    return sentence;
+};
+
+const getProperCase = (text) => {
+
+    let finalWords = "";
+    const words = text.split(" ");
+    words.map(word => {
+        finalWords += " " + getSentenceCase(word); 
+    })
+
+    return finalWords.trim();
+};
+
+console.log(getProperCase("hello world"));
+
+module.exports = {
+  getUpperCase, 
+  getLowerCase, 
+  getSentenceCase, 
+  getProperCase
+};

build-a-case-converter/case_converter/index.test.js

@@ -0,0 +1,13 @@
+const assert = require("node:assert/strict");
+const caseConverter = require("./index");
+
+assert.strictEqual(
+  caseConverter.getUpperCase("hello free Code Camp!"),
+  "HELLO FREE CODE CAMP!",
+);
+
+assert.strictEqual(caseConverter.getLowerCase("hello free Code Camp!"), "hello free code camp!");
+
+assert.strictEqual(caseConverter.getProperCase("hello free Code Camp!"), "Hello Free Code Camp!");
+
+assert.strictEqual(caseConverter.getSentenceCase("hello free Code Camp!"), "Hello free code camp!");

build-a-case-converter/case_converter/package.json

@@ -0,0 +1,18 @@
+{
+  "name": "case_converter",
+  "version": "1.0.0",
+  "description": "Write This package is used to convert strings to a specific case",
+  "keywords": [
+    "case",
+    "converter",
+    "uppercase",
+    "lowercase"
+  ],
+  "license": "MIT",
+  "author": "Armand",
+  "type": "commonjs",
+  "main": "index.js",
+  "scripts": {
+    "test": "node index.test.js"
+  }
+}

build-a-file-processor/assets/output.txt

@@ -0,0 +1,5 @@
+Hello, freeCodeCamp!
+Learning backend dev course
+Learning backend dev course
+Learning backend dev course
+Learning backend dev course

build-a-file-processor/assets/stream-output.txt

@@ -0,0 +1,3 @@
+Code in the browser,
+Building projects, one by one,
+Free for everyone.

build-a-file-processor/server.js

@@ -1 +1,91 @@
 // Starter file — add your code here
+const fsPromises = require("fs/promises");
+const fs = require(
+    "fs"
+)
+
+async function main() {
+    const data = await fsPromises.readFile("assets/poem.txt", {encoding: "utf8"});
+    console.log(data);
+}
+
+//main();
+
+//fs.writeFileSync("assets/output.txt", "Hello, freeCodeCamp!");
+//fs.appendFileSync("assets/output.txt", "\nLearning backend dev course");
+
+const exists = fs.existsSync("assets/output.txt");
+// console.log(exists);
+
+// const entries = fs.readdirSync("assets");
+// console.log(entries);
+
+// const buf = Buffer.from("Hello, Node!");
+// console.log(buf);
+// console.log(buf.toString("hex"));
+// console.log(buf.toString("base64"));
+
+// const buf2 = Buffer.alloc(8, 0xff);
+// console.log(buf2);
+
+const decoded = Buffer.from("SGVsbG8=", "base64").toString("utf8");
+console.log(decoded);
+
+const crypto = require("crypto");
+const hash = crypto.createHash("sha256").update("freeCodeCamp!").digest("hex");
+console.log(hash);
+
+const random = crypto.randomBytes(16).toString("hex");
+console.log(random);
+
+const id = crypto.randomUUID();
+console.log(id);
+
+const os = require("os");
+console.log(os.platform());
+console.log(os.arch());
+console.log(os.hostname());
+console.log(os.totalmem);
+console.log(os.freemem());
+console.log(os.uptime());
+/*os.cpus() returns an array of objects describing each logical CPU core on the machine. 
+The number of cores is simply the length of that array:*/
+console.log(os.cpus().length);
+
+const path = require("path");
+const fullPath = path.join(__dirname, "assets", "poem.txt");
+console.log(fullPath);
+console.log(path.basename(fullPath));
+console.log(path.dirname(fullPath));
+console.log(path.extname(fullPath));
+
+console.log(path.join("assets", "..", "server.js"));
+console.log(path.resolve("assets", "..", "server.js"));
+const parts = path.parse("/home/user/assets/poem.txt");
+console.log(parts);
+
+console.log(process.version);
+console.log(process.platform);
+console.log(process.env);
+
+console.log(process.argv); 
+console.log(process.argv[2]);
+
+process.stdout.write("Hello from stdout\n");
+process.stderr.write("Hello from stderr\n");
+
+const readable = fs.createReadStream("assets/poem.txt", { encoding: "utf8" });
+
+// readable.on("data", (chunk) => {
+//   console.log(chunk);
+// });
+
+// readable.on("end", () => {
+//   console.log("Done reading");
+// });
+
+const writable = fs.createWriteStream("assets/stream-output.txt");
+// writable.write("First chunk\n");
+// writable.write("Second chunk\n");
+// writable.end();
+readable.pipe(writable);

build-a-prime-number-checker-module/index.js

@@ -0,0 +1,12 @@
+function isPrime(n) {
+    if (n <= 1)
+        return false;
+
+    // Check divisibility from 2 to n-1
+    for (let i = 2; i < n; i++)
+        if (n % i === 0)
+            return false;
+
+    return true; 
+}
+module.exports = {isPrime};

build-a-prime-number-checker-module/package.json

@@ -0,0 +1,16 @@
+{
+  "name": "prime-number-checker-module",
+  "version": "1.0.0",
+  "description": "Check whether a number is prime or not.",
+  "keywords": [
+    "prime",
+    "non-prime"
+  ],
+  "license": "MIT",
+  "author": "Armand",
+  "type": "commonjs",
+  "main": "index.js",
+  "scripts": {
+    "test": "index.test.js"
+  }
+}

config/projects.json

@@ -17,26 +17,28 @@
     "dashedName": "build-a-file-processor",
     "isIntegrated": false,
     "isPublic": true,
-    "currentLesson": 0,
+    "currentLesson": 29,
     "runTestsOnWatch": true,
     "seedEveryLesson": false,
     "isResetEnabled": false,
     "blockingTests": null,
     "breakOnFailure": null,
-    "numberOfLessons": 30
+    "numberOfLessons": 30,
+    "completedDate": 1788205696760
   },
   {
     "id": 2,
     "dashedName": "build-a-case-converter",
     "isIntegrated": false,
     "isPublic": true,
-    "currentLesson": 0,
+    "currentLesson": 44,
     "runTestsOnWatch": true,
     "seedEveryLesson": false,
     "isResetEnabled": false,
     "blockingTests": null,
     "breakOnFailure": null,
-    "numberOfLessons": 45
+    "numberOfLessons": 45,
+    "completedDate": 1788238447268
   },
   {
     "id": 3,
@@ -49,7 +51,8 @@
     "isResetEnabled": false,
     "blockingTests": true,
     "breakOnFailure": true,
-    "numberOfLessons": 1
+    "numberOfLessons": 1,
+    "completedDate": 1788242741961
   },
   {
     "id": 4,

config/token.txt

@@ -0,0 +1 @@
+eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VyVG9rZW4iOiI1UE1YUHBxdUdsYzYzamNsUWllVXFxY1h2RmRmenNibFV5dzFSYTNjTEcwZ0dVbHRmbEdQbU1hNWlXY29DRHNTIiwiaWF0IjoxNzg4MjAwMjc5fQ.mD15elrnSZapvudWqyF3g7r21FxGPMoWJU3tCYPkW_0