complete flow

dist/index.js

@@ -54,7 +54,9 @@ export function start(option) {
                     stop();
                     break;
                 case Events.FAILED:
+                    reject(new Error('FAILED'));
                 case Events.CLOSED:
+                    reject(new Error('CLOSED'));
                     stop();
                     break;
                 case Events.ERROR:

src/index.ts

@@ -95,7 +95,9 @@ export function start(option: IOption): Promise<IResult> {
                     stop();
                     break;
                 case Events.FAILED:
+                    reject(new Error('FAILED'));
                 case Events.CLOSED:
+                    reject(new Error('CLOSED'));
                     stop();
                     break;
                 case Events.ERROR: