all tasks fixed to clear console before exit, changed birtday format

Author: codevivi

package.json

@@ -8,6 +8,7 @@
     "task1": "node ./src/task-1.js",
     "task2": "node ./src/task-2.js",
     "task3": "node ./src/task-3.js",
+    "bonus": "node ./src/task-bonus.js",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "type": "module",

src/generateRandomUserDataString.js

@@ -1,14 +1,13 @@
 import { faker } from "@faker-js/faker";
-import { rand, monthToStr } from "./helpers.js";
+import { rand, birthDayFormat } from "./helpers.js";
 
 export function generateRandomUserDataString() {
   const sex = rand(0, 1) ? "female" : "male";
   const firstName = faker.name.firstName(sex);
   const lastName = faker.name.lastName(sex);
   const email = faker.internet.email(firstName, lastName);
   const password = faker.internet.password(9, true);
-  const birthDate = faker.date.birthdate({ min: 13, max: 115, mode: "age" });
-  const birthday = monthToStr(birthDate.getMonth()) + " " + birthDate.getDate();
+  const birthDate = birthDayFormat(faker.date.birthdate({ min: 13, max: 115, mode: "age" }));
 
-  return `${firstName}, ${lastName}, ${password}, ${email}, ${birthday}\n`;
+  return `${firstName}, ${lastName}, ${password}, ${email}, ${birthDate}\n`;
 }

src/helpers.js

@@ -1,9 +1,16 @@
-export function monthToStr(ind) {
-  const months = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "November", "October", "December"];
-  return months[ind];
-}
 export function rand(min, max) {
   min = Math.ceil(min);
   max = Math.floor(max);
   return Math.floor(Math.random() * (max - min + 1) + min);
 }
+export function birthDayFormat(date) {
+  // const months = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "November", "October", "December"];
+  return date.getFullYear() + "-" + pad0(date.getMonth() + 1) + "-" + pad0(date.getDate());
+}
+function pad0(num) {
+  let numStr = num.toString();
+  if (numStr.length < 2) {
+    return "0" + numStr;
+  }
+  return numStr;
+}

src/task-2.js

@@ -2,25 +2,31 @@ import { generateRandomUserDataString as newEntry } from "./generateRandomUserDa
 import c from "chalk";
 import { appendFile, mkdir } from "node:fs/promises";
 import readline from "node:readline/promises";
+
 const fileName = "people.txt";
 const dirPath = new URL("./../database/task-2", import.meta.url).pathname;
-
 console.log(c.yellow.bold("LOGIN: "));
 const rl = readline.createInterface({ input: process.stdin, output: process.stdout });
+rl.on("SIGINT", closeProgram);
+
 let login = await rl.question(c.bgBlue.bold("username:") + " ");
 let password = await rl.question(c.bgBlue.bold("password:") + " ");
 
 if (login.trim() !== "admin" || password.trim() !== "1234") {
-  console.log(c.red("Neteisingi prisijungimo duomenys"));
-  rl.close();
+  closeProgram(c.red("Neteisingi prisijungimo duomenys"));
 } else {
   try {
     await mkdir(dirPath, { recursive: true });
     await appendFile(`${dirPath}/${fileName}`, newEntry()); ///kelias ne nuo sito failo, bet nuo project rooto??...
-    console.log(c.green("Duomenys faile sėkmingai išsaugoti"));
+    closeProgram(c.green("Duomenys faile sėkmingai išsaugoti"));
   } catch (err) {
-    console.error(err);
-  } finally {
-    rl.close();
+    closeProgram(c.red(err.message));
   }
 }
+
+function closeProgram(msg = "") {
+  console.clear(); //to clear password from history. Does it really clears?
+  console.log(msg);
+  rl.close();
+  process.exit(0);
+}

src/task-3.js

@@ -7,52 +7,40 @@ const dirPath = new URL("./../database/task-3", import.meta.url).pathname;
 
 console.log(c.yellow.bold("LOGIN: "));
 let rl = readline.createInterface({ input: process.stdin, output: process.stdout });
-rl._writeToOutput = function _writeToOutput(stringToWrite) {
-  if (rl.stdoutMuted) rl.output.write("*");
-  else rl.output.write(stringToWrite);
-};
+rl.on("SIGINT", closeProgram); //doesn't work on process.on('SIGINT')  SIGINT is emitted on ctrl+c press
+
 let username = await rl.question(c.bgBlue.bold("login:") + " ");
 let password = await rl.question(c.bgBlue.bold("password:") + " ");
 if (!validateLogin(username, password)) {
-  rl.close();
-  console.clear();
-  console.log(c.red("Neteisingi prisijungimo duomenys"));
-  process.exit();
+  closeProgram(c.red("Neteisingi prisijungimo duomenys"));
 }
-chooseAction();
 
-process.on("exit", () => {
-  rl.close();
-  console.clear(); //to clear password from history. Does it really clears?
-  process.exit();
-});
+chooseAction();
 
 function validateLogin(username, password) {
   if (username.trim() !== "admin" || password.trim() !== "1234") {
     return false;
   }
   return true;
 }
-function validateChoice(action) {
-  action = action.trim().toLowerCase();
-  if (action === "r" || action === "read") return "r";
-  if (action === "w" || action === "write") return "w";
-  return "";
-}
 
-async function runAction(actionFunc, callback) {
-  await actionFunc();
-  await callback();
-}
 async function chooseAction() {
+  /// do not quit after action, just keep cycling  between prompt for action and action until ctrl+c
   let action = "";
   while (!validateChoice(action)) {
     console.log(`Exit: ${c.bgBlue("Ctrl + C")}`);
     console.log(`Read: ${c.bgBlue("R")}`);
     console.log(`Write: ${c.bgBlue("W")}`);
     action = await rl.question(``);
   }
-  action === "w" ? runAction(writeDataToFile, chooseAction) : runAction(readFileData, chooseAction);
+  action === "w" ? await writeDataToFile() : await readFileData();
+  await chooseAction();
+}
+function validateChoice(action) {
+  action = action.trim().toLowerCase();
+  if (action === "r" || action === "read") return "r";
+  if (action === "w" || action === "write") return "w";
+  return "";
 }
 
 async function writeDataToFile() {
@@ -74,3 +62,11 @@ async function readFileData() {
     console.log(c.red(err.message));
   }
 }
+function closeProgram(msg = "") {
+  // console.clear(); //to clear password and read history from logs. doesn't clear all console, only visible area
+  // https://stackoverflow.com/questions/8813142/clear-terminal-window-in-node-js-readline-shell
+  process.stdout.write("\u001b[H\u001b[2J\u001b[3J"); //clear terminal with the scrollback, ansi escape code sequence
+  rl.close();
+  console.log(msg);
+  process.exit(0);
+}