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2728a40 2be33e0 2728a40 2be33e0 2728a40 2be33e0 2728a40 2be33e0 2728a40 2be33e0 2728a40 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 | // auth/validators.js — centralised validation rules for LoginForm & SignupForm
const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
const usernameRegex = /^[a-zA-Z0-9_]{3,20}$/;
/**
* Full name: letters (including accented), spaces, hyphens, apostrophes.
* Min 2, max 60 characters. No digits.
*/
const fullNameRegex = /^[A-Za-zÀ-ÿ' -]{2,60}$/;
/**
* Indian mobile number validator.
* Accepts: 9876543210 | 919876543210 | +919876543210
* Normalises to E.164: +919876543210
*/
export function normalizeWhatsAppNumber(raw) {
const digits = raw.replace(/\D/g, "");
if (digits.length === 10 && /^[6-9]/.test(digits)) return `+91${digits}`;
if (digits.length === 12 && digits.startsWith("91") && /^[6-9]/.test(digits[2])) return `+${digits}`;
return null; // invalid
}
export function validateWhatsAppNumber(raw) {
if (!raw || !raw.trim()) return "WhatsApp number is required.";
const normalized = normalizeWhatsAppNumber(raw.trim());
if (!normalized) return "Please enter a valid WhatsApp number.";
return null; // valid
}
/**
* Strong password — must contain:
* • at least 8 characters
* • one uppercase letter
* • one lowercase letter
* • one digit
* • one special character
*/
export function passwordStrengthErrors(password) {
const errors = [];
if (password.length < 8) errors.push("at least 8 characters");
if (!/[A-Z]/.test(password)) errors.push("one uppercase letter");
if (!/[a-z]/.test(password)) errors.push("one lowercase letter");
if (!/\d/.test(password)) errors.push("one number");
if (!/[^A-Za-z0-9]/.test(password)) errors.push("one special character");
return errors; // empty array → valid
}
/**
* Validates the sign-in form.
* Returns { field, message } on the first error, or null if valid.
*/
export function validateLogin({ email, password }) {
const normalized = email.trim();
if (!normalized) return { field: "email", message: "Email is required." };
if (!emailRegex.test(normalized))
return { field: "email", message: "Please enter a valid email address." };
if (!password) return { field: "password", message: "Password is required." };
if (password.length < 6)
return { field: "password", message: "Password must be at least 6 characters." };
return null;
}
/**
* Validates the sign-up form (including whatsappNumber).
* Returns { field, message } on the first error, or null if valid.
*/
export function validateSignup({ fullName, username, email, whatsappNumber, password, confirmPassword, acceptTerms }) {
const normalized = email.trim();
const trimmedName = fullName.trim();
if (!trimmedName)
return { field: "fullName", message: "Full name is required." };
if (!fullNameRegex.test(trimmedName))
return {
field: "fullName",
message: "Name may only contain letters, spaces, hyphens, or apostrophes (2–60 chars).",
};
if (!username.trim()) return { field: "username", message: "Username is required." };
if (!usernameRegex.test(username.trim()))
return {
field: "username",
message: "Username must be 3-20 characters using letters, numbers, or underscores.",
};
if (!normalized) return { field: "email", message: "Email is required." };
if (!emailRegex.test(normalized))
return { field: "email", message: "Please enter a valid email address." };
const waError = validateWhatsAppNumber(whatsappNumber);
if (waError) return { field: "whatsappNumber", message: waError };
if (!password) return { field: "password", message: "Password is required." };
const pwErrors = passwordStrengthErrors(password);
if (pwErrors.length > 0)
return {
field: "password",
message: `Password needs ${pwErrors.join(", ")}.`,
};
if (password !== confirmPassword)
return { field: "confirmPassword", message: "Passwords do not match." };
if (!acceptTerms)
return { field: "acceptTerms", message: "Please accept the terms to continue." };
return null;
}
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