bonus task only validation missing

Author: codevivi

src/task-bonus.js

@@ -0,0 +1,124 @@
+import { generateRandomUserDataString as newEntry } from "./generateRandomUserDataString.js";
+import c from "chalk";
+import { writeFile, mkdir, readFile } from "node:fs/promises";
+import readline from "node:readline/promises";
+const fileName = "registration.json";
+const dirPath = new URL("./../database/task-bonus", import.meta.url).pathname;
+
+let rl = readline.createInterface({ input: process.stdin, output: process.stdout });
+rl.on("SIGINT", closeProgram); //doesn't work on process.on('SIGINT')  SIGINT is emitted on ctrl+c press
+
+async function mainFunc() {
+  console.log(c.dim("Exit: Ctrl + C"));
+  console.log(c.yellow.bold("Enter your details: "));
+  let details = await getUserDetails();
+  let currentData = JSON.parse(await readFileData());
+  console.log(typeof currentData, currentData);
+  currentData.push(details);
+  console.log(currentData);
+  await writeDataToFile(JSON.stringify(currentData));
+  closeProgram(c.green("Duomenys faile sėkmingai išsaugoti"));
+}
+
+async function getUserDetails() {
+  let userDetails = {
+    name: await getValidInput.name(),
+    lastName: await getValidInput.lastName(),
+    password: await getValidInput.password(),
+    email: await getValidInput.email(),
+    birthday: await getValidInput.birthday(),
+  };
+  return userDetails;
+}
+
+const getValidInput = {
+  name: async function () {
+    let name = "";
+    let errorMsg = "";
+    while (!name) {
+      if (errorMsg) console.log(c.red(errorMsg));
+      name = (await rl.question(c.bgBlue.bold("Your name:") + " ")).trim();
+      if (!name) {
+        errorMsg = "Name can't be empty";
+      }
+    }
+    return name;
+  },
+  lastName: async function () {
+    let lastName = "";
+    let errorMsg = "";
+    while (!lastName) {
+      if (errorMsg) console.log(c.red(errorMsg));
+      lastName = (await rl.question(c.bgBlue.bold("Your last name:") + " ")).trim();
+      if (!lastName) {
+        errorMsg = "Last name can't be empty";
+      }
+    }
+    return lastName;
+  },
+  password: async function () {
+    let password = "";
+    let errorMsg = "";
+    while (!password) {
+      if (errorMsg) console.log(c.red(errorMsg));
+      password = (await rl.question(c.bgBlue.bold("Your password:") + " ")).trim();
+      if (!password) {
+        errorMsg = "Password can't be empty";
+      }
+    }
+    return password;
+  },
+  email: async function () {
+    let email = "";
+    let errorMsg = "";
+    while (!email) {
+      if (errorMsg) console.log(c.red(errorMsg));
+      email = (await rl.question(c.bgBlue.bold("Your email address:") + " ")).trim();
+      if (!email) {
+        errorMsg = "Email can't be empty";
+      }
+    }
+    return email;
+  },
+  birthday: async function () {
+    let birthday = "";
+    let errorMsg = "";
+    while (!birthday) {
+      if (errorMsg) console.log(c.red(errorMsg));
+      birthday = (await rl.question(c.bgBlue.bold("Your birthday:") + " ")).trim();
+      if (!birthday) {
+        errorMsg = "Birthday can't be empty";
+      }
+    }
+    return birthday;
+  },
+};
+mainFunc();
+
+async function writeDataToFile(data) {
+  try {
+    await mkdir(dirPath, { recursive: true });
+    await writeFile(`${dirPath}/${fileName}`, data); ///kelias ne nuo sito failo, bet nuo project rooto??...
+    // console.log(c.green("Duomenys faile sėkmingai išsaugoti"));
+  } catch (err) {
+    console.error(err);
+  }
+}
+
+async function readFileData() {
+  try {
+    // await mkdir(dirPath, { recursive: true });
+    return await readFile(`${dirPath}/${fileName}`);
+  } catch (err) {
+    console.log("chould add empty");
+    return "[]"; //if file empty or not created
+  }
+}
+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);
+}