All: Add support for application plugins (#3257)

ReactNativeClient/lib/services/interop/InteropService_Importer_Custom.ts

@@ -0,0 +1,20 @@
+import InteropService_Importer_Base from './InteropService_Importer_Base';
+import { ImportExportResult, Module } from './types';
+
+export default class InteropService_Importer_Custom extends InteropService_Importer_Base {
+
+	private module_:Module = null;
+
+	constructor(handler:Module) {
+		super();
+		this.module_ = handler;
+	}
+
+	async exec(result:ImportExportResult) {
+		return this.module_.onExec({
+			sourcePath: this.sourcePath_,
+			options: this.options_,
+			warnings: result.warnings,
+		});
+	}
+}