Pass data throw component using AlpineJS

Hey guys!

Its my first time using AlpineJs, so im not really sure how to do this...

How i can pass dynamic datas to others components? In this example I need $product->id

@foreach($products as $product)
<button x-on:click.prevent="$dispatch('open-modal', 'confirm-product-deletion')">Delete</button>
@endforeach
<x-modal name="confirm-product-deletion">
    <form method="post" action="{{ route('product.delete', 1) }}">
	...
    </form>
</x-modal>

I would like to get desired route for every productId

martinbean

1 year ago

Level 80

@dani94 What does the code look like in your x-modal component that listens for events to actually open the modal? You should be able to get a reference to the triggering element there.

For example, I use Bootstrap and its Modal component a lot. I have forms in my application to delete records:

<x-form :action="route('product.destroy', compact('product'))" method="DELETE" x-confirm="Are you sure you want to delete this product?">
    <button type="submit">Delete</button>
</form>

I then have an Alpine plugin (what you see as the x-confirm directive) that intercepts submissions and instead shows a modal:

import { Alpine as TAlpine } from 'alpine-js';
import Modal from 'bootstrap';

export default function (Alpine) {
    Alpine.directive('confirm', function (el, { expression }) {
        el.addEventListener('submit', function (event) {
            event.preventDefault();

            const modal = Modal.getOrCreateInstance('confirm-delete-modal');

            modal.querySelector('form').setAttribute('action', event.target.getAttribute('action'));
            modal.querySelector('.modal-body-message').textContent = expression;

            modal.show();
        });
    });
}

It intercepts submit events, finds the #confirm-delete-modal on the page, and then sets the form’s action attribute to the original form’s action attribute value, and replaces the contents of .modal-body-message with the text that was in the x-confirm expression.

The confirm delete modal is then just a modal with a form, a confirmation message, and submit button:

<div aria-hidden="true" aria-labelledby="confirm-delete-modal-label" class="fade modal" id="confirm-delete-modal" tabindex="-1">
  <div class="modal-dialog">
    <div class="modal-content">
      <header class="modal-header">
        <h1 class="fs-5 modal-title" id="confirm-delete-modal-label">Confirm delete</h1>
        <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
      </header>
      <div class="modal-body">
        <p class="mb-0 modal-body-message"></p>
      </div>
      <footer class="modal-footer">
        <x-form action="#" method="DELETE">
          <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">No, keep</button>
          <button type="submit" class="btn btn-danger">Yes, delete</button>
        </x-form>
      </footer>
    </div>
  </div>
</div>

dani94

1 year ago

Level 1

@martinbean Thanks for reply.

I am using the breeze starter kit modal. I think is not possible to do it in this way... Maybe make more sense do something like your solution.

@props([
    'name',
    'show' => false,
    'maxWidth' => '2xl'
])

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

<div
    x-data="{
        show: @js($show),
        focusables() {
            // All focusable element types...
            let selector = 'a, button, input:not([type=\'hidden\']), textarea, select, details, [tabindex]:not([tabindex=\'-1\'])'
            return [...$el.querySelectorAll(selector)]
                // All non-disabled elements...
                .filter(el => ! el.hasAttribute('disabled'))
        },
        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 },
    }"
    x-init="$watch('show', value => {
        if (value) {
            document.body.classList.add('overflow-y-hidden');
            {{ $attributes->has('focusable') ? 'setTimeout(() => firstFocusable().focus(), 100)' : '' }}
        } else {
            document.body.classList.remove('overflow-y-hidden');
        }
    })"
    x-on:open-modal.window="$event.detail == '{{ $name }}' ? show = true : null"
    x-on:close-modal.window="$event.detail == '{{ $name }}' ? show = false : null"
    x-on:close.stop="show = false"
    x-on:keydown.escape.window="show = false"
    x-on:keydown.tab.prevent="$event.shiftKey || nextFocusable().focus()"
    x-on:keydown.shift.tab.prevent="prevFocusable().focus()"
    x-show="show"
    class="fixed inset-0 overflow-y-auto px-4 py-6 sm:px-0 z-50"
    style="display: {{ $show ? 'block' : 'none' }};"
>
    <div
        x-show="show"
        class="fixed inset-0 transform transition-all"
        x-on:click="show = false"
        x-transition:enter="ease-out duration-300"
        x-transition:enter-start="opacity-0"
        x-transition:enter-end="opacity-100"
        x-transition:leave="ease-in duration-200"
        x-transition:leave-start="opacity-100"
        x-transition:leave-end="opacity-0"
    >
        <div class="absolute inset-0 bg-gray-500 opacity-75"></div>
    </div>

    <div
        x-show="show"
        class="mb-6 bg-white rounded-lg overflow-hidden shadow-xl transform transition-all sm:w-full {{ $maxWidth }} sm:mx-auto"
        x-transition:enter="ease-out duration-300"
        x-transition:enter-start="opacity-0 translate-y-4 sm:translate-y-0 sm:scale-95"
        x-transition:enter-end="opacity-100 translate-y-0 sm:scale-100"
        x-transition:leave="ease-in duration-200"
        x-transition:leave-start="opacity-100 translate-y-0 sm:scale-100"
        x-transition:leave-end="opacity-0 translate-y-4 sm:translate-y-0 sm:scale-95"
    >
        {{ $slot }}
    </div>
</div>

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