fedi-feed-router/resources/views/components/form-modal.blade.php

@props([
    'title',
    'close',
    'maxWidth' => 'lg',
])

@php
$maxWidthClass = [
    'sm' => 'max-w-sm',
    'md' => 'max-w-md',
    'lg' => 'max-w-lg',
    'xl' => 'max-w-xl',
    '2xl' => 'max-w-2xl',
][$maxWidth];
@endphp

<div
    x-data="{
        trigger: null,
        focusables() {
            // offsetParent is null for position:fixed too; no modal slot uses it.
            return [...$el.querySelectorAll('a, button, input:not([type=\'hidden\']), textarea, select, details, [tabindex]:not([tabindex=\'-1\'])')]
                .filter(el => ! el.hasAttribute('disabled') && el.offsetParent !== null)
        },
        firstFocusable() { return this.focusables()[0] },
        lastFocusable() { return this.focusables().slice(-1)[0] },
        nextFocusable() { return this.focusables()[this.nextFocusableIndex()] || this.firstFocusable() },
        prevFocusable() { return this.focusables()[this.prevFocusableIndex()] || this.lastFocusable() },
        nextFocusableIndex() { return (this.focusables().indexOf(document.activeElement) + 1) % (this.focusables().length + 1) },
        prevFocusableIndex() { return Math.max(0, this.focusables().indexOf(document.activeElement)) - 1 },
        init() {
            this.trigger = document.activeElement;
            document.body.classList.add('overflow-y-hidden');
            this.$nextTick(() => this.firstFocusable()?.focus());
        },
        destroy() {
            document.body.classList.remove('overflow-y-hidden');
            this.trigger?.focus();
        },
    }"
    x-on:keydown.escape.window="$wire.{{ $close }}()"
    x-on:keydown.tab.prevent="$event.shiftKey || nextFocusable()?.focus()"
    x-on:keydown.shift.tab.prevent="prevFocusable()?.focus()"
    class="fixed inset-0 z-50 overflow-y-auto"
    role="dialog"
    aria-modal="true"
    aria-labelledby="modal-title"
>
    <div class="flex min-h-full items-center justify-center p-4">
        <div class="fixed inset-0 bg-gray-900/50 backdrop-blur-xs transition-opacity" wire:click="{{ $close }}"></div>

        <div class="relative z-10 w-full {{ $maxWidthClass }} max-h-[90vh] overflow-y-auto rounded-lg bg-white dark:bg-gray-800 p-6 text-left shadow-xl">
            <div class="flex items-center justify-between mb-4">
                <h3 id="modal-title" class="text-lg font-medium text-gray-900 dark:text-gray-100">{{ $title }}</h3>
                <button type="button" wire:click="{{ $close }}" class="text-gray-400 hover:text-gray-600 dark:text-gray-500 dark:hover:text-gray-300" aria-label="Close dialog">
                    <svg class="h-6 w-6" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor">
                        <path stroke-linecap="round" stroke-linejoin="round" d="M6 18 18 6M6 6l12 12" />
                    </svg>
                </button>
            </div>

            {{ $slot }}
        </div>
    </div>
</div>