94 lines
3.6 KiB
YAML
94 lines
3.6 KiB
YAML
uuid:
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- value: 1d8e5d0f-d0d9-4e9d-8c05-87ab91016bd5
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langcode:
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- value: en
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type:
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- target_id: daily_email
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target_type: node_type
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target_uuid: 8bde1f2f-eef9-4f2d-ae9c-96921f8193d7
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revision_timestamp:
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- value: '2025-05-11T09:00:07+00:00'
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revision_uid:
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- target_type: user
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target_uuid: b8966985-d4b2-42a7-a319-2e94ccfbb849
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revision_log: { }
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status:
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- value: true
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uid:
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- target_type: user
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target_uuid: b8966985-d4b2-42a7-a319-2e94ccfbb849
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title:
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- value: 'CSS, data attributes and feature flags'
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created:
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- value: '2024-08-25T00:00:00+00:00'
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changed:
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- value: '2025-05-11T09:00:07+00:00'
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promote:
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revision_translation_affected:
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- value: true
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path:
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- alias: /daily/2024/08/25/css--data-attributes-and-feature-flags
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langcode: en
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body:
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- value: |
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<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>
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<p>Firstly, within the theme's .theme file, I added this code:</p>
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<pre><code class="php">/**
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* Implements hook_preprocess_html().
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*/
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function mytheme_preprocess_html(array &$variables): void {
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$variables['attributes']['data-use-new-button-styles'] = \Drupal::service('feature_toggle.feature_status')->getStatus('use_the_new_button_styling');
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}
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</code></pre>
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<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>
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<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>
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<pre><code class="css">[data-use-new-button-styles] .btn-primary {
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background-color: red;
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}
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</code></pre>
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<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>
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<p>I like using feature flags and was happy to find a way to use them when adding this new CSS.</p>
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format: full_html
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processed: |
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<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>
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<p>Firstly, within the theme's .theme file, I added this code:</p>
|
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<pre><code class="php">/**
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* Implements hook_preprocess_html().
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*/
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function mytheme_preprocess_html(array &$variables): void {
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$variables['attributes']['data-use-new-button-styles'] = \Drupal::service('feature_toggle.feature_status')->getStatus('use_the_new_button_styling');
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}
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</code></pre>
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<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>
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|
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<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>
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<pre><code class="css">[data-use-new-button-styles] .btn-primary {
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background-color: red;
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}
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</code></pre>
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<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>
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<p>I like using feature flags and was happy to find a way to use them when adding this new CSS.</p>
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summary: null
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field_daily_email_cta: { }
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