README

Adds a live, debounced VAT-validation indicator to Hyvä-themed registration and address forms. Calls the standard Byte8_VatValidator REST endpoint and shows a green / red badge directly under the VAT input as the customer types.

Requirements

byte8/module-vat-validator ≥ 0.1.0
A Hyvä-based theme (hyva-themes/magento2-default-theme)
No additional JS dependencies — Alpine + Tailwind only, both ship with Hyvä

Core module

This is a storefront companion — it does nothing on its own. Install the core validator first: byte8/module-vat-validator. That module provides the EU VIES / UK HMRC / Swiss UID validation, REST endpoints, customer-group mapping, audit log, and CLI. This module just wires a live indicator into Hyvä forms.

composer require byte8/module-vat-validator

Install

composer require byte8/module-vat-validator-hyva
bin/magento module:enable Byte8_VatValidatorHyva
bin/magento setup:upgrade
bin/magento cache:flush

What it does

Page	Behaviour
`customer/account/create`	Watches the `taxvat` field; shows live indicator
`customer/address/form`	Watches the `vat_id` + `country_id` fields; shows live indicator

Behaviour:

600 ms debounce — won't spam the REST endpoint while the user types
Recognises both 2-letter ISO prefixes (DE…, GB…) and the Swiss 3-letter CHE… prefix
Falls back to the country dropdown's value if no prefix is typed
Hides itself silently on unavailable / skipped outcomes — never shows a misleading red badge when VIES is just slow

Customising

Override Byte8_VatValidatorHyva::vat-indicator.phtml in your theme. The whole component is a single self-contained Alpine x-data block — drop in your own copy / icons / Tailwind classes.

Hyvä Checkout (Magewire)

Not yet shipped. The standard Hyvä Checkout uses Magewire components which need a server-side wire-class. Open an issue if you need it and we'll prioritise.

License

MIT

byte8 / module-vat-validator-hyva

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