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Laravel Client Validation

A powerful validation package that brings Laravel validation rules to the client-side. Validate forms in real-time using the same rules you know from Laravel — works with any backend or as a standalone NPM package.

Features

• 104 client-side rules — Comprehensive coverage of Laravel validation rules
• 5 remote rules — Server-side AJAX validation for unique, exists, etc.
• TypeScript declarations — Full type definitions for IDE autocompletion
• Laravel 12/13 support — Compatible with the latest Laravel versions
• Livewire v3 & v4 — Automatic version detection and optimized integration
• Filament v3 & v5 — Panel plugin with field-level validation
• Backend-agnostic — Use with Laravel, Django, Express, Rails, or any backend
• Multiple integrations — Alpine.js, Livewire, Filament, Vanilla JS, React, Vue
• Real-time validation — Instant feedback on blur, input, or submit
• FormRequest support — Extract rules from existing Laravel FormRequest classes
• Validation hooks — beforeValidate, afterValidate, field-level events
• Bail support — Stop on first failure per field with bail rule
• Batch validation — Validate multiple fields in a single AJAX request
• Rate limiting — Built-in request throttling for AJAX validation
• Zero configuration — Works out of the box with sensible defaults
• Tree-shakeable — ES module subpath exports for minimal bundle size

Quick Start

Option A: Laravel Package (Composer)

Laravel Boost

If your Laravel project uses Laravel Boost, this package ships a third-party Boost skill for package-aware code generation and debugging.

Install Boost if needed:

If Boost is already installed in the app, refresh package-provided skills after adding or updating this package:

When skills are enabled, Boost can install the laravel-client-validation-development skill and guide AI agents toward the package's recommended Blade, Alpine, Livewire, Filament, and remote-validation patterns.

Option B: Standalone NPM Package

Import only what you need:

Option C: CDN / Script Tag

Usage with Alpine.js

Simple Field Validation

Complete Form Component

Available Methods in validation() Component

Usage with Livewire

Supports both Livewire v3 and v4. Version is detected automatically.

Using the x-wire-validate Directive

Using the PHP Trait

In your Blade view:

Livewire Events

Usage with Filament

Register the Plugin

Add Validation to Fields

Use the HasClientValidation trait on your custom Filament fields:

Or use the pre-built ClientValidatedField:

Usage with Vanilla JS (No Framework)

Using Data Attributes

Programmatic Validation

Using Blade Directives

Using with FormRequest

In Controller

In Blade

Backend-Agnostic Remote Validation

The RemoteValidator works with any backend, not just Laravel. Configure it for your stack:

Express.js / Node

Django

Custom Adapter

Validation Rules

Client-Side Rules (104 — Instant)

Core: required, nullable, filled, present, bail

String: string, email, url, active_url, alpha, alpha:ascii, alpha_num, alpha_num:ascii, alpha_dash, alpha_dash:ascii, regex, not_regex, contains, doesnt_contain, lowercase, uppercase, starts_with, ends_with, doesnt_start_with, doesnt_end_with, ascii, uuid, uuid:version, ulid, json, hex_color

Numeric: numeric, numeric:strict, integer, integer:strict, decimal, multiple_of, digits, digits_between, min_digits, max_digits

Size: min, max, between, size

Comparison: confirmed, confirmed:field, same, different, gt, gte, lt, lte, in, not_in, enum

Date: date, after, before, after_or_equal, before_or_equal, date_equals, date_format, timezone

Conditional: required_if, required_unless, required_with, required_without, required_with_all, required_without_all, required_if_accepted, required_if_declined, required_array_keys

Presence / Missing: present_if, present_unless, present_with, present_with_all, missing, missing_if, missing_unless, missing_with, missing_with_all

Prohibition: prohibited, prohibited_if, prohibited_unless, prohibited_if_accepted, prohibited_if_declined, prohibits

Boolean: boolean, boolean:strict, accepted, accepted_if, declined, declined_if

Network: ip, ipv4, ipv6, mac_address

Array: array, distinct, in_array, in_array_keys, list

File: file, image, mimes, mimetypes, extensions, dimensions

Advanced: any_of, password_strength

Remote Rules (5 — AJAX)

unique, exists, password, current_password, encoding

See docs/md/validation-rules.md for the canonical validation rules guide and examples.

Configuration

Key options:

Validation Hooks

Custom Rules

Client-Side

Server-Side (PHP)

NPM Subpath Exports

Examples

See the examples/ directory for complete demos:

• Alpine.js demo
• Vanilla JS demo
• Livewire demo

Testing

License

The MIT License (MIT). See License File for more information.