siment/magento2-http-header-theme-switch

<?xml version="1.0"?>
<!--
/**
 * Licensed under Academic Free License ("AFL") v. 3.0
 * See LICENSE.txt or https://opensource.org/licenses/afl-3.0
 *
 * @category    Siment_HttpHeaderThemeSwitch
 * @copyright   (c) 2017 Simen Thorsrud
 * @author      Simen Thorsrud <simen.thorsrud@gmail.com>
 */
-->
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
    <type name="\Magento\Framework\View\DesignExceptions">
        <plugin
            name="HttpHeaderDesignExceptions"
            type="\Siment\HttpHeaderThemeSwitch\Plugin\Magento\Framework\View\DesignExceptions"
            sortOrder="1" />
    </type>
    <type name="\Siment\HttpHeaderThemeSwitch\Plugin\Magento\Framework\View\DesignExceptions">
        <arguments>
            <argument name="exceptionConfigPath" xsi:type="string">design/theme/ua_regexp</argument>
            <argument name="scopeType" xsi:type="const">Magento\Store\Model\ScopeInterface::SCOPE_STORE</argument>
        </arguments>
    </type>
</config>