Feat: Extracting Cart and Checout from 3dealer

resources/views/checkout/components/field.blade.php

@@ -0,0 +1,29 @@
+{{--
+    <x-checkout::field name="billing_first_name" label="First name" required />
+
+    Generic labelled text input with old-input repopulation and validation
+    error display — the module's own equivalent of a host x-ui.field, used
+    instead of it per the module's independence rule. All styling is .bbk-field*
+    (resources/css/checkout.css); no host classes.
+--}}
+@props([
+    'name',
+    'label',
+    'type' => 'text',
+    'value' => null,
+    'required' => false,
+])
+
+<div class="bbk-field">
+    <label class="bbk-field-label" for="bbk-{{ $name }}">{{ $label }}</label>
+    <input
+        type="{{ $type }}"
+        name="{{ $name }}"
+        id="bbk-{{ $name }}"
+        value="{{ old($name, $value) }}"
+        @if ($required) required @endif
+        {{ $attributes->class(['bbk-field-input', 'bbk-field-input--error' => $errors->has($name)]) }}
+    >
+    {{-- Always present so bbk-checkout-form can fill it live on an autosave. --}}
+    <p class="bbk-field-error" data-bbk-field-error="{{ $name }}" @unless ($errors->has($name)) hidden @endunless>{{ $errors->first($name) }}</p>
+</div>