{{-- Sortable table header link. Usage:
     @include('procurement::components.partials.sortable_th', ['label'=>'Component','field'=>'component'])
     Optional: pass ['class' => 'text-center'] for the <th> wrapper. --}}
@php
    $currentSort = request('sort');
    $currentDir  = request('dir', 'asc');
    $isActive    = $currentSort === $field;
    $nextDir     = $isActive && $currentDir === 'asc' ? 'desc' : 'asc';
    $icon        = $isActive ? ($currentDir === 'asc' ? 'fa-sort-up' : 'fa-sort-down') : 'fa-sort text-white-50';
@endphp
<th class="{{ $class ?? '' }}">
    <a href="{{ request()->fullUrlWithQuery(['sort' => $field, 'dir' => $nextDir, 'page' => null]) }}"
       class="text-white text-decoration-none" style="white-space:nowrap">
        {{ $label }} <i class="fas {{ $icon }} fa-xs"></i>
    </a>
</th>