oliverdavies.uk/content/node.1d8e5d0f-d0d9-4e9d-8c05-87ab91016bd5.json

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    "title": [
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            "value": "CSS, data attributes and feature flags"
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            "value": "\n          <p>I recently used <a href=\"https:\/\/www.drupal.org\/project\/feature_toggle\">Drupal's Feature Toggle module<\/a> to set a data attribute which enabled some new styling for buttons.<\/p>\n\n<p>Firstly, within the theme's .theme file, I added this code:<\/p>\n\n<pre><code class=\"php\">\/**\n * Implements hook_preprocess_html().\n *\/\nfunction mytheme_preprocess_html(array &amp;$variables): void {\n  $variables['attributes']['data-use-new-button-styles'] = \\Drupal::service('feature_toggle.feature_status')-&gt;getStatus('use_the_new_button_styling');\n}\n<\/code><\/pre>\n\n<p>If the feature toggle is enabled, it adds a <code>data-use-new-button-styles=\"\"<\/code> attribute to the <code>body<\/code> element.<\/p>\n\n<p>If it is disabled, the attribute is not added, so I can write CSS that's applied when the data attribute is present:<\/p>\n\n<pre><code class=\"css\">[data-use-new-button-styles] .btn-primary {\n  background-color: red;\n}\n<\/code><\/pre>\n\n<p>In a Tailwind CSS project (this isn't), the same could be achiveable with a custom interaction state - similar to <code>hover<\/code>, <code>focus<\/code> and <code>active<\/code>. Something like <code>new-button-styles:bg-red-500<\/code>.<\/p>\n\n<p>I like using feature flags and was happy to find a way to use them when adding this new CSS.<\/p>\n\n        ",
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            "processed": "\n          <p>I recently used <a href=\"https:\/\/www.drupal.org\/project\/feature_toggle\">Drupal's Feature Toggle module<\/a> to set a data attribute which enabled some new styling for buttons.<\/p>\n\n<p>Firstly, within the theme's .theme file, I added this code:<\/p>\n\n<pre><code class=\"php\">\/**\n * Implements hook_preprocess_html().\n *\/\nfunction mytheme_preprocess_html(array &amp;$variables): void {\n  $variables['attributes']['data-use-new-button-styles'] = \\Drupal::service('feature_toggle.feature_status')-&gt;getStatus('use_the_new_button_styling');\n}\n<\/code><\/pre>\n\n<p>If the feature toggle is enabled, it adds a <code>data-use-new-button-styles=\"\"<\/code> attribute to the <code>body<\/code> element.<\/p>\n\n<p>If it is disabled, the attribute is not added, so I can write CSS that's applied when the data attribute is present:<\/p>\n\n<pre><code class=\"css\">[data-use-new-button-styles] .btn-primary {\n  background-color: red;\n}\n<\/code><\/pre>\n\n<p>In a Tailwind CSS project (this isn't), the same could be achiveable with a custom interaction state - similar to <code>hover<\/code>, <code>focus<\/code> and <code>active<\/code>. Something like <code>new-button-styles:bg-red-500<\/code>.<\/p>\n\n<p>I like using feature flags and was happy to find a way to use them when adding this new CSS.<\/p>\n\n        ",
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