revert the command exit function (#221)

* revert the command exit function

* added status code to log

Author: dennisseah

src/lib/commandBuilder.test.ts

@@ -107,8 +107,9 @@ describe("Tests Command Builder's validation function", () => {
 describe("Tests Command Builder's exit function", () => {
   it("calling exit function", async () => {
     const exitFn = jest.fn();
-    await exitCmd(logger, exitFn, 1);
-    expect(exitFn).toBeCalledTimes(1);
-    expect(exitFn.mock.calls).toEqual([[1]]);
+    exitCmd(logger, exitFn, 1).then(() => {
+      expect(exitFn).toBeCalledTimes(1);
+      expect(exitFn.mock.calls).toEqual([[1]]);
+    });
   });
 });

src/lib/commandBuilder.ts

@@ -118,10 +118,9 @@ export const exit = (
   statusCode: number
 ): Promise<void> => {
   return new Promise(resolve => {
-    log.end();
-    setTimeout(() => {
+    log.info(`--end log: ${statusCode} --`, () => {
       exitFn(statusCode);
       resolve();
-    }, 1000);
+    });
   });
 };