integer-net/magento2-addtocartgraphql

<?php

use Magento\Framework\Escaper;
use Magento\Framework\View\Element\Template;

/** @var Template $block */
/** @var Escaper $escaper */

$isCartConfigureMode = $block->getData('is_cart_configure');
$productInfoBlock = $block->getLayout()->getBlock('product.info');
$formSubmitUrl = $productInfoBlock->getSubmitUrl($productInfoBlock->getProduct());
?>
<div class="add-to-cart"
    <?php if (!$isCartConfigureMode): ?>
        x-data="initAddToCart()" x-spread="eventListeners"
    <?php else: ?>
        x-data="initEditItemForm()"
    <?php endif; ?>
>
    <button class="btn btn-primary btn-large"
        <?php if (!$isCartConfigureMode): ?>
            :class="{'btn-secondary' : isLoading, 'btn-primary' : !isLoading}"
            :disabled="isLoading"
            x-on:click="addToCart()"
        <?php else: ?>
            x-on:click="submitAction()"
        <?php endif; ?>
        <?php if (!$isCartConfigureMode): ?>
            title="<?= $escaper->escapeHtmlAttr(__('Add to Cart')) ?>"
        <?php else: ?>
            title="<?= $escaper->escapeHtmlAttr(__('Update item')) ?>"
        <?php endif; ?>>
    <span>
    <?php if (!$isCartConfigureMode): ?>
        <?= $escaper->escapeHtml(__('Add to Cart')) ?>
    <?php else: ?>
        <?= $escaper->escapeHtml(__('Update item')) ?>
    <?php endif; ?>
    </span>
    </button>
</div>
<?php if ($isCartConfigureMode): ?>
    <script>
        function initEditItemForm() {
            return {
                formUrl: '<?= $escaper->escapeJs($formSubmitUrl) ?>',
                formId: '#product_addtocart_form',
                submitAction() {
                    const form = document.querySelector(this.formId)
                    form.setAttribute('action', this.formUrl)
                    form.submit();
                }
            }
        }
    </script>
<?php endif; ?>
<?= $block->getChildHtml('', true) ?>