Magento 2 – Add Label on All Lines of Street Fields in Checkout and Make Them Required

addressmagento2onepage-checkout

Magento has a feature to define between 1 and 4 fields, how much we will want to use in the street field. I've activated 4 lines and would like to add labels line by line. I did this on the user registration and address in my account as you can see in the image below:

enter image description here

I do it just editing phtml and layout (XML) files. And I extend \Magento\Customer\Model\ResourceModel\AddressRepository\AddressRepository to turn required lines 2 and 3.

But on checkout I have it:
enter image description here

How can I add labels and turn lines 2 and 3 required on checkout?

Best Answer

I solved rewriting street on di.xml:

...
<type name="Magento\Checkout\Block\Checkout\LayoutProcessor">
    <plugin name="rewrite-street" type="Vendor\ModuelName\Model\Checkout\LayoutProcessorPlugin" sortOrder="10"/>
</type>
...

And my LayoutProcessorPlugin.php:

<?php
namespace Vendor\ModuleName\Model\Checkout;

class LayoutProcessorPlugin
{
    /**
     * @param \Magento\Checkout\Block\Checkout\LayoutProcessor $subject
     * @param array $jsLayout
     * @return array
     */

    public function afterProcess(
        \Magento\Checkout\Block\Checkout\LayoutProcessor $subject,
        array  $jsLayout
    ) {
        $jsLayout['components']['checkout']['children']['steps']['children']['shipping-step']['children']
        ['shippingAddress']['children']['shipping-address-fieldset']['children']['street'] = [
            'component' => 'Magento_Ui/js/form/components/group',
            //'label' => __('Street Address'), I removed main label
            'required' => false, //turn false because I removed main label
            'dataScope' => 'shippingAddress.street',
            'provider' => 'checkoutProvider',
            'sortOrder' => 0,
            'type' => 'group',
            'additionalClasses' => 'street',
            'children' => [
                [
                    'label' => __('Label 1'),
                    'component' => 'Magento_Ui/js/form/element/abstract',
                    'config' => [
                        'customScope' => 'shippingAddress',
                        'template' => 'ui/form/field',
                        'elementTmpl' => 'ui/form/element/input'
                    ],
                    'dataScope' => '0',
                    'provider' => 'checkoutProvider',
                    'validation' => ['required-entry' => true, "min_text_len‌​gth" => 1, "max_text_length" => 255],
                ],
                [
                    'label' => __('Label 2'),
                    'component' => 'Magento_Ui/js/form/element/abstract',
                    'config' => [
                        'customScope' => 'shippingAddress',
                        'template' => 'ui/form/field',
                        'elementTmpl' => 'ui/form/element/input'
                    ],
                    'dataScope' => '1',
                    'provider' => 'checkoutProvider',
                    'validation' => ['required-entry' => true, "min_text_len‌​gth" => 1, "max_text_length" => 255],
                ],
                [
                    'label' => __('Label 3'),
                    'component' => 'Magento_Ui/js/form/element/abstract',
                    'config' => [
                        'customScope' => 'shippingAddress',
                        'template' => 'ui/form/field',
                        'elementTmpl' => 'ui/form/element/input'
                    ],
                    'dataScope' => '2',
                    'provider' => 'checkoutProvider',
                    'validation' => ['required-entry' => true, "min_text_len‌​gth" => 1, "max_text_length" => 255],
                ],
                [
                    'label' => __('Label 4'),
                    'component' => 'Magento_Ui/js/form/element/abstract',
                    'config' => [
                        'customScope' => 'shippingAddress',
                        'template' => 'ui/form/field',
                        'elementTmpl' => 'ui/form/element/input'
                    ],
                    'dataScope' => '3',
                    'provider' => 'checkoutProvider',
                    'validation' => ['required-entry' => false, "min_text_len‌​gth" => 1, "max_text_length" => 255],
                ],
            ]
        ];
        return $jsLayout;
    }
}
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