vyer-validator

Vyer Validator - Simplified String Validation

Vyer Validator offers streamlined string validation, simplifying the process of ensuring data integrity and accuracy in applications.

Installation

You can install the Vyer Validator library using npm:

npm i --save vyer-validator

Usage

//Single Validator
const string = "";
const validator = VyerValidator(string).isRequired().minLength(5);
validator.validate(); // ==> false, because the string is empty and less than 5 characters
validator.getMessage(); // => returns an array of error messages

//Multiple Validator
const string:IMultiValidation[] = [
    {name: "foo", value: "bar", isRequired: {set: true, errorMessage: ""}, ...}
    {name: "bar", value: "foo", isRequired: {set:true}, minLength: {set: 4, errorMessage: ""}, ...}
];
const {validate, getMessage} = VyerMultiValidator(string);
console.log(validate()); // ==> false, because on name: "bar", need min 4 character value
console.log(getMessage()); // => returns an object errors message

API Documentation

Single & Multiple Validators

Single & Multiple Vyer Validator returns a response that provides the following methods:

• validate(): Validates your validators and returns a boolean value.
• getMessage(): Checks for rule exceptions and returns error messages.

Built-in Validators

Vyer Validator provides the following built-in validators:

• isRequired(errorMessage): Validates if the string is a non-empty value.
• emailOnly(errorMessage): Validates if the string is in Email Format.
• maxLength(max, errorMessage): Validates the maximum length of the value.
• minLength(min, errorMessage): Validates the minimum length of the value.
• rangeNumeric(min, max, errorMessage): Validates the range of numeric values.
• enum(enums, errorMessage): Validates to set only value what you sets.

Note: All errorMessage is optional to custom your error message response. you can modify it

Contributing

Contributions to Vyer Validator are welcome! To contribute, please follow the guidelines in CONTRIBUTING.md.

License

This project is licensed under the MIT License - see the LICENSE file for details.