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Safeguard for backport of get_template_hierarchy function #44085

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merged 2 commits into from
Sep 12, 2022
Merged

Safeguard for backport of get_template_hierarchy function #44085

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f995b99
Safeguard for backport of `get_template_hierarchy` function
ntsekouras Sep 12, 2022
b206d99
Update lib/compat/wordpress-6.1/block-template-utils.php
ntsekouras Sep 12, 2022
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114 changes: 58 additions & 56 deletions lib/compat/wordpress-6.1/block-template-utils.php
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Original file line number Diff line number Diff line change
Expand Up @@ -308,62 +308,64 @@ function gutenberg_build_block_template_result_from_post( $post ) {
return $template;
}

/**
* Helper function to get the Template Hierarchy for a given slug.
* We need to Handle special cases here like `front-page`, `singular` and `archive` templates.
*
* Noting that we always add `index` as the last fallback template.
*
* @param string $slug The template slug to be created.
* @param boolean $is_custom Indicates if a template is custom or part of the template hierarchy.
* @param string $template_prefix The template prefix for the created template. This is used to extract the main template type ex. in `taxonomy-books` we extract the `taxonomy`.
*
* @return array<string> The template hierarchy.
*/
function get_template_hierarchy( $slug, $is_custom = false, $template_prefix = '' ) {
if ( 'index' === $slug ) {
return array( 'index' );
}
if ( $is_custom ) {
return array( 'page', 'singular', 'index' );
}
if ( 'front-page' === $slug ) {
return array( 'front-page', 'home', 'index' );
}
$template_hierarchy = array( $slug );
// Most default templates don't have `$template_prefix` assigned.
if ( $template_prefix ) {
list($type) = explode( '-', $template_prefix );
// We need these checks because we always add the `$slug` above.
if ( ! in_array( $template_prefix, array( $slug, $type ), true ) ) {
$template_hierarchy[] = $template_prefix;
if ( ! function_exists( 'get_template_hierarchy' ) ) {
/**
* Helper function to get the Template Hierarchy for a given slug.
* We need to Handle special cases here like `front-page`, `singular` and `archive` templates.
*
* Noting that we always add `index` as the last fallback template.
*
* @param string $slug The template slug to be created.
* @param boolean $is_custom Indicates if a template is custom or part of the template hierarchy.
* @param string $template_prefix The template prefix for the created template. This is used to extract the main template type ex. in `taxonomy-books` we extract the `taxonomy`.
*
* @return array<string> The template hierarchy.
*/
function get_template_hierarchy( $slug, $is_custom = false, $template_prefix = '' ) {
if ( 'index' === $slug ) {
return array( 'index' );
}
if ( $slug !== $type ) {
$template_hierarchy[] = $type;
if ( $is_custom ) {
return array( 'page', 'singular', 'index' );
}
if ( 'front-page' === $slug ) {
return array( 'front-page', 'home', 'index' );
}
$template_hierarchy = array( $slug );
// Most default templates don't have `$template_prefix` assigned.
if ( $template_prefix ) {
list($type) = explode( '-', $template_prefix );
// We need these checks because we always add the `$slug` above.
if ( ! in_array( $template_prefix, array( $slug, $type ), true ) ) {
$template_hierarchy[] = $template_prefix;
}
if ( $slug !== $type ) {
$template_hierarchy[] = $type;
}
}
// Handle `archive` template.
if (
str_starts_with( $slug, 'author' ) ||
str_starts_with( $slug, 'taxonomy' ) ||
str_starts_with( $slug, 'category' ) ||
str_starts_with( $slug, 'tag' ) ||
'date' === $slug
) {
$template_hierarchy[] = 'archive';
}
// Handle `single` template.
if ( 'attachment' === $slug ) {
$template_hierarchy[] = 'single';
}
// Handle `singular` template.
if (
str_starts_with( $slug, 'single' ) ||
str_starts_with( $slug, 'page' ) ||
'attachment' === $slug
) {
$template_hierarchy[] = 'singular';
}
$template_hierarchy[] = 'index';
return $template_hierarchy;
}
// Handle `archive` template.
if (
str_starts_with( $slug, 'author' ) ||
str_starts_with( $slug, 'taxonomy' ) ||
str_starts_with( $slug, 'category' ) ||
str_starts_with( $slug, 'tag' ) ||
'date' === $slug
) {
$template_hierarchy[] = 'archive';
}
// Handle `single` template.
if ( 'attachment' === $slug ) {
$template_hierarchy[] = 'single';
}
// Handle `singular` template.
if (
str_starts_with( $slug, 'single' ) ||
str_starts_with( $slug, 'page' ) ||
'attachment' === $slug
) {
$template_hierarchy[] = 'singular';
}
$template_hierarchy[] = 'index';
return $template_hierarchy;
};
}