Merge pull request #1644 from WordPress/add/od-install-upon-embed-opt…

…imizer-activate

Install and activate Optimization Detective when the Embed Optimizer feature is activated from the Performance screen

plugins/performance-lab/includes/admin/plugins.php

@@ -71,7 +71,7 @@ function perflab_query_plugin_info( string $plugin_slug ) {
 	$plugins            = array();
 	$standalone_plugins = array_merge(
 		array_flip( perflab_get_standalone_plugins() ),
-		array( 'optimization-detective' => array() ) // TODO: Programmatically discover the plugin dependencies and add them here.
+		array( 'optimization-detective' => array() ) // TODO: Programmatically discover the plugin dependencies and add them here. See <https://github.com/WordPress/performance/issues/1616>.
 	);
 	foreach ( $response->plugins as $plugin_data ) {
 		if ( ! isset( $standalone_plugins[ $plugin_data['slug'] ] ) ) {
@@ -324,6 +324,11 @@ function perflab_install_and_activate_plugin( string $plugin_slug, array &$proce
 		return $plugin_data;
 	}
 
+	// Add recommended plugins (soft dependencies) to the list of plugins installed and activated.
+	if ( 'embed-optimizer' === $plugin_slug ) {
+		$plugin_data['requires_plugins'][] = 'optimization-detective';
+	}
+
 	// Install and activate plugin dependencies first.
 	foreach ( $plugin_data['requires_plugins'] as $requires_plugin_slug ) {
 		$result = perflab_install_and_activate_plugin( $requires_plugin_slug );