@sveltecult/formdata-validator v0.0.6

FormData Validator

A versatile form data validation library offering a fluent API to ensure data integrity and consistency in web applications. Please note that this project is currently a work in progress and undergoing active development.

Features

• Fluent validation API
• Supports various input types: boolean, date, file, number and string.
• Array validation using [] and .* notations
• Customizable validation rules
• Framework agnostic
• With 40+ available rules

Installation

To install, use your preferred package manager:

npm install @sveltecult/formdata-validator

Getting Started

Detailed instructions on getting started and list of available validation rules can be found in the documentation.

Basic Usage

import { Rule, Validation } from '@sveltecult/formdata-validator';

/** @type {import('./$types').Actions} */
export const actions = {
	default: async ({ request }) => {
		const formData = await request.formData();

		const validation = new Validation(formData, {
			email: Rule.string().required().email(),
			password: Rule.string().required().minLength(8).confirmed()
		});

		const errors = await validation.errors();

		if (errors.any() === true) {
			console.log(errors.all());
		}
	}
};

Writing Custom Validation

This library allows writing custom validation logic using the .custom() rule for scenarios where standard validation rules don't meet specific requirements, such as database-related checks. Click here to learn more about how to create your own custom validation.

License

This library is licensed under the MIT License.