babl.one :: plugins/validate

This class provides various static methods for validating different types of data such as phone numbers, emails, usernames, passwords, and more. It is designed to be used in applications where input validation is required.

Methods

phone(value: string | undefined): boolean

Validates if the given value is a valid phone number.

• Returns true if valid, false otherwise.

email(value: string | undefined): boolean

Validates if the given value is a valid email address.

• Returns true if valid, false otherwise.

username(value: string | undefined, moderateWords: string[], bannedWords: string[]): string | boolean

Validates if the given value is a valid username.

• Checks for:
  • Minimum length of 4 characters.
  • Only alphanumeric characters and underscores.
  • The username does not contain any moderate or banned words.
• Returns a specific error code if invalid, or true if valid.

verification(value: string | undefined): boolean

Validates if the value is a 6-digit numeric verification code.

• Returns true if valid, false otherwise.

password(value: string | undefined): boolean

Validates if the given value is a valid password (minimum length of 6 characters).

• Returns true if valid, false otherwise.

gender(value: string | undefined, genders: Record<string, string>): boolean

Validates if the given value is a valid gender.

• Returns true if valid, false otherwise.

dob(value: string | undefined): boolean

Validates if the given value is a valid date of birth and checks if the age is 18 or older.

• Returns true if valid, false otherwise.

blank(value: string | undefined): boolean

Checks if the given value is not blank (i.e., not empty or only whitespace).

• Returns true if not blank, false otherwise.

minLength(value: string | undefined, min: number): boolean

Checks if the given value has a minimum length.

• Returns true if valid, false otherwise.

inArray(value: string | undefined, haystack: string[]): boolean

Checks if the given value exists in the provided array.

• Returns true if found, false otherwise.

creditCardNumber(value: string | undefined): boolean

Validates if the given value is a valid credit card number using the Luhn algorithm.

• Returns true if valid, false otherwise.

creditCardExpiration(month: number, year: number): boolean

Validates if the given credit card expiration month and year are valid.

• Returns true if valid, false otherwise.

cvv(cardNumber: string, cvv: string): boolean

Validates if the given CVV is valid for the provided card number.

• Returns true if valid, false otherwise.

amount(value: string | undefined): boolean

Validates if the given value is a valid currency amount (supports two decimal places).

• Returns true if valid, false otherwise.

number(value: any): boolean

Checks if the given value is a valid number.

• Returns true if valid, false otherwise.

Usage Example

import Validate from './validate';

// Validate phone number
const isValidPhone = Validate.phone('+1 (123) 456-7890');
console.log(isValidPhone); // true

// Validate email
const isValidEmail = Validate.email('[email protected]');
console.log(isValidEmail); // true

// Validate username
const isValidUsername = Validate.username('user_123', ['badword'], ['banned']);
console.log(isValidUsername); // true or error code

// Validate password
const isValidPassword = Validate.password('securepassword123');
console.log(isValidPassword); // true

License

MIT License.