Remove unnecessary "exit" call

.gitignore

@@ -1,4 +1,3 @@
-.idea
 *.sublime-project
 *.sublime-workspace
 node_modules/*

inc/fields/plupload-image.php

@@ -60,16 +60,17 @@ static function handle_upload()
 
 		// Adds file as attachment to WordPress
 		$id = wp_insert_attachment( $attachment, $file_attr['file'], $post_id );
-		if ( ! is_wp_error( $id ) )
-		{
-			wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $file_attr['file'] ) );
 
-			// Save file ID in meta field
-			add_post_meta( $post_id, $field_id, $id, false );
-			wp_send_json_success( self::img_html( $id ) );
+		if ( is_wp_error( $id ) )
+		{
+			wp_send_json_error();
 		}
 
-		exit;
+		wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $file_attr['file'] ) );
+
+		// Save file ID in meta field
+		add_post_meta( $post_id, $field_id, $id, false );
+		wp_send_json_success( self::img_html( $id ) );
 	}
 
 	/**
@@ -184,7 +185,7 @@ static function normalize( $field )
 			'multipart_params'    => array(
 				'field_id' => $field['id'],
 				'action'   => 'rwmb_plupload_image_upload',
-			)
+			),
 		);
 		$field               = parent::normalize( $field );
 

js/plupload-image.js

@@ -18,7 +18,7 @@ jQuery( function ( $ )
 		var $dropArea = $( this ),
 			$imageList = $dropArea.siblings( '.rwmb-uploaded' ),
 			uploaderData = $dropArea.data( 'js_options' ),
-			uploader = {};
+			uploader;
 
 		// Extend uploaderData
 		uploaderData.multipart_params = $.extend(
@@ -74,7 +74,6 @@ jQuery( function ( $ )
 			} );
 			up.refresh();
 			up.start();
-
 		} );
 
 		uploader.bind( 'Error', function ( up, e )
@@ -115,8 +114,7 @@ jQuery( function ( $ )
 			.fadeOut( 'slow', function ()
 			{
 				$( this ).remove();
-			}
-		);
+			} );
 	}
 
 	/**