@devspeed/validatorjs

A JavaScript library for validating input strings based on various rules

Installation

Install using npm:

   npm install @devspeed/validatorjs

Usage

To use the library, simply import it into your project:

import Validator from '@devspeed/validatorjs';

const validator = new Validator('[email protected]', {
    validateEmpty: false,
    validateEmail: true,
    maxLength: 50,
});

const validationResult = validator.getValidation();
console.log(validationResult.isValid); // true

Methods

| Method | Description| | ---------------|----------------| |isEmpty() |Checks if the input string is empty.| |maxLength(number)| Checks if the input string exceeds the specified maximum length.| |minLength(number) |Checks if the input string is shorter than the specified minimum length.| |isEmail() |Checks if the input string is a valid email address.| |isDate() |Checks if the input string is a valid date in the format DD/MM/YYYY.| |requireUppercase() |Checks if the input string contains at least one uppercase letter.| |requireLowercase() |Checks if the input string contains at least one lowercase letter.| |containSpecialChar(specialChar) |Checks if the input string contains the specified special character.| |getValidation() | Returns an object containing a boolean value indicating whether the input string is valid, as |well as an array of validation errors if applicable. |

Note: All methods return the Validator instance to allow chaining.

Options

The Validator constructor takes an optional options object that can contain the following properties:

| Option | Description | | ---------------|----------------| |validateEmpty | Whether to validate that the input string is not empty (default: true).| | validateEmail| Whether to validate that the input string is a valid email address (default: false).| | validateDate | Whether to validate that the input string is a valid date in the format DD/MM/YYYY (default: false).| |maxLength| The maximum allowed length for the input string.| |minLength| The minimum required length for the input string.| |requireUppercase| Whether the input string must contain at least one uppercase letter (default: false).| |requireLowercase|Whether the input string must contain at least one lowercase letter (default: false).|

License

This library is licensed under the MIT License.