wp-includes/blocks.php:52Generates the name for an asset based on the name of the block and the field name provided.
$block_namestring$field_namestring$indexintoptional0stringfunction generate_block_asset_handle( $block_name, $field_name, $index = 0 ) { if ( str_starts_with( $block_name, 'core/' ) ) { $asset_handle = str_replace( 'core/', 'wp-block-', $block_name ); if ( str_starts_with( $field_name, 'editor' ) ) { $asset_handle .= '-editor'; } if ( str_starts_with( $field_name, 'view' ) ) { $asset_handle .= '-view'; } if ( str_ends_with( strtolower( $field_name ), 'scriptmodule' ) ) { $asset_handle .= '-script-module'; } if ( $index > 0 ) { $asset_handle .= '-' . ( $index + 1 ); } return $asset_handle; } $field_mappings = array( 'editorScript' => 'editor-script', 'editorStyle' => 'editor-style', 'script' => 'script', 'style' => 'style', 'viewScript' => 'view-script', 'viewScriptModule' => 'view-script-module', 'viewStyle' => 'view-style', ); $asset_handle = str_replace( '/', '-', $block_name ) . '-' . $field_mappings[ $field_name ]; if ( $index > 0 ) { $asset_handle .= '-' . ( $index + 1 ); } return $asset_handle;}Introduced in 5.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/blocks.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.