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formValidation.js
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formValidation.js
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const NAME_REGEX = /^[a-zA-Z0-9 ]*$/;
const USERNAME_REGEX = /^[a-zA-Z0-9_-]*$/;
const EMAIL_REGEX = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
const PHONE_REGEX = /^[0-9]{10}$/;
function validateName(name) {
return NAME_REGEX.test(name);
}
function validateUsername(name) {
return USERNAME_REGEX.test(name);
}
function validateEmail(email) {
return EMAIL_REGEX.test(email);
}
function validatePhone(number) {
return PHONE_REGEX.test(number);
}
function validationReturn(errors) {
return errors.length ? { success: false, errors } : { success: true };
}
function formValidation(formData) {
const { name: nameVal, username: usernameVal, email: emailVal, phone: phoneVal, password: passwordVal, confirmPassword: confirmPasswordVal } = formData || {};
const name = (nameVal || "").trim();
const username = (usernameVal || "").trim();
const email = (emailVal || "").trim();
const phone = (phoneVal || "").trim();
const password = (passwordVal || "").trim();
const confirmPassword = (confirmPasswordVal || "").trim();
const errors = [];
if (!name || !username || !email || !phone || !password || !confirmPassword) {
errors.push({ type: "general", msg: "Please fill all the details" });
return validationReturn(errors);
}
if (password !== confirmPassword) {
errors.push({ type: "password", msg: "Password do not match" });
}
if (!validateName(name)) {
errors.push({ type: "name", msg: "Enter a valid name" });
}
if (!validateUsername(username)) {
errors.push({ type: "username", msg: "Enter a valid username" });
}
if (!validateEmail(email)) {
errors.push({ type: "email", msg: "Enter a valid email" });
}
if (!validatePhone(phone)) {
errors.push({ type: "phone", msg: "Enter a valid phone number" });
}
return validationReturn(errors);
}
const formData = {
name: "Aditya Suman",
username: "aditya_suman-2025",
email: "[email protected]",
phone: "7424947945",
password: "aditya@123",
confirmPassword: "aditya@123",
}
console.log(formValidation(formData))