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Can't use dynamic class names #8

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@morgannunan

I am really enjoying Pug to Twig, but it doesn't want to create dynamic class names. For instance, if I write

html(lang=site.language)

It will output

<html lang="{{ site.language | e }}">

Which I can then process with twig. However, if I write this:

html(class=site.language)

I'll get this:

<?php $pugModule = [
  'Phug\\Formatter\\Format\\TwigHtmlFormat::class_attribute_assignment' => function (&$attributes, $value) use (&$pugModule) {

            $split = function ($input) {
                return preg_split('/(?<![\[\{\<\=\%])\s+(?![\]\}\>\=\%])/', strval($input));
            };
            $classes = isset($attributes['class']) ? array_filter($split($attributes['class'])) : [];
            foreach ((array) $value as $key => $input) {
                if (!is_string($input) && is_string($key)) {
                    if (!$input) {
                        continue;
                    }

                    $input = $key;
                }
                foreach ($split($input) as $class) {
                    if (!in_array($class, $classes, true)) {
                        $classes[] = $class;
                    }
                }
            }

            return implode(' ', $classes);
        },
  'Phug\\Formatter\\Format\\TwigHtmlFormat::stand_alone_class_attribute_assignment' => function ($value) use (&$pugModule) {
    $classAttributeAssignment = $pugModule['Phug\\Formatter\\Format\\TwigHtmlFormat::class_attribute_assignment'];

                    $attributes = [];

                    return $classAttributeAssignment($attributes, $value);
                },
]; ?><!DOCTYPE html><html class="<?= $pugModule['Phug\\Formatter\\Format\\TwigHtmlFormat::stand_alone_class_attribute_assignment'](site.language) | e ?>">

It will always put this PHP at the top of the page, and inline where the class value should be. If I write html(class='home') it works fine, but if the class value is a variable, it goes haywire.

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