function ComponentElement::generateComponentTemplate
Same name in this branch
- 11.x core/modules/sdc/src/Element/ComponentElement.php \Drupal\sdc\Element\ComponentElement::generateComponentTemplate()
Same name in other branches
- 10 core/modules/sdc/src/Element/ComponentElement.php \Drupal\sdc\Element\ComponentElement::generateComponentTemplate()
- 10 core/lib/Drupal/Core/Render/Element/ComponentElement.php \Drupal\Core\Render\Element\ComponentElement::generateComponentTemplate()
Generates the template to render the component.
Parameters
string $id: The component id.
array $slots: The contents of any potential embed blocks.
array $slots_alter_callbacks: The potential callables for altering slots.
array $context: Inline template context.
Return value
string The template.
Throws
\Drupal\Core\Render\Component\Exception\InvalidComponentDataException When slots are not render arrays.
1 call to ComponentElement::generateComponentTemplate()
- ComponentElement::preRenderComponent in core/
lib/ Drupal/ Core/ Render/ Element/ ComponentElement.php - Expands a component into an inline template with an attachment.
File
-
core/
lib/ Drupal/ Core/ Render/ Element/ ComponentElement.php, line 97
Class
- ComponentElement
- Provides a Single-Directory Component render element.
Namespace
Drupal\Core\Render\ElementCode
private function generateComponentTemplate(string $id, array $slots, array $slots_alter_callbacks, array &$context) : string {
$template = '{# This template was dynamically generated by single-directory components #}' . PHP_EOL;
$template .= sprintf('{%% embed \'%s\' %%}', $id);
$template .= PHP_EOL;
foreach ($slots as $slot_name => $slot_value) {
if (\is_scalar($slot_value)) {
$slot_value = [
"#plain_text" => (string) $slot_value,
];
}
if (!Element::isRenderArray($slot_value)) {
$message = sprintf('Unable to render component "%s". A render array or a scalar is expected for the slot "%s" when using the render element with the "#slots" property', $id, $slot_name);
throw new InvalidComponentDataException($message);
}
$context[$slot_name] = array_reduce($slots_alter_callbacks, fn(array $carry, callable $callback) => $this->doTrustedCallback($callback, [
$carry,
$context,
], '%s is not trusted'), $slot_value);
$template .= " {% block {$slot_name} %}" . PHP_EOL . " {{ {$slot_name} }}" . PHP_EOL . " {% endblock %}" . PHP_EOL;
}
$template .= '{% endembed %}' . PHP_EOL;
return $template;
}
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