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filter is not described

block_editor_preload_paths filter-hook . WP 5.0.0

Preload common data by specifying an array of REST API paths that will be preloaded.

Filters the array of paths that will be preloaded.

Usage

add_filter( 'block_editor_preload_paths', 'filter_function_name_2600', 10, 2 );
function filter_function_name_2600( $preload_paths, $post ){
	// filter...

	return $preload_paths;
}
$preload_paths(array)
Array of paths to preload.
$post(object)
The post resource data.

Where the hook is called

In file: /wp-admin/edit-form-blocks.php
block_editor_preload_paths
wp-admin/edit-form-blocks.php 67
$preload_paths = apply_filters( 'block_editor_preload_paths', $preload_paths, $post );

Where the hook is used (in WP core)

Does not used.