updated npm modules

node_modules/webpack/lib/LibraryTemplatePlugin.js

@@ -169,6 +169,13 @@ class LibraryTemplatePlugin {
 					new JsonpExportMainTemplatePlugin(this.name).apply(compilation);
 					break;
 				}
+				case "system": {
+					const SystemMainTemplatePlugin = require("./SystemMainTemplatePlugin");
+					new SystemMainTemplatePlugin({
+						name: this.name
+					}).apply(compilation);
+					break;
+				}
 				default:
 					throw new Error(`${this.target} is not a valid Library target`);
 			}