fix: wait for client before checking for terminate

templates/typescript_gapic/src/$version/$service_client.ts.njk

@@ -245,6 +245,9 @@ export class {{ service.name }}Client {
     for (const methodName of {{ service.name.toCamelCase() }}StubMethods) {
       const innerCallPromise = this.{{ service.name.toCamelCase() }}Stub.then(
         stub => (...args: Array<{}>) => {
+          if (this._terminated) {
+            return Promise.reject('The client has already been closed.');
+          }
           return stub[methodName].apply(stub, args);
         },
         (err: Error|null|undefined) => () => {
@@ -264,10 +267,7 @@ export class {{ service.name }}Client {
         callOptions?: CallOptions,
         callback?: APICallback
       ) => {
-         if (this._terminated) {
-            return Promise.reject('The client has already been closed.');
-         }
-         return apiCall(argument, callOptions, callback);
+        return apiCall(argument, callOptions, callback);
       };
     }
   }

typescript/test/testdata/keymanager/src/v1/key_management_service_client.ts.baseline

@@ -177,6 +177,9 @@ export class KeyManagementServiceClient {
     for (const methodName of keyManagementServiceStubMethods) {
       const innerCallPromise = this.keyManagementServiceStub.then(
         stub => (...args: Array<{}>) => {
+          if (this._terminated) {
+            return Promise.reject('The client has already been closed.');
+          }
           return stub[methodName].apply(stub, args);
         },
         (err: Error|null|undefined) => () => {
@@ -196,10 +199,7 @@ export class KeyManagementServiceClient {
         callOptions?: CallOptions,
         callback?: APICallback
       ) => {
-         if (this._terminated) {
-            return Promise.reject('The client has already been closed.');
-         }
-         return apiCall(argument, callOptions, callback);
+        return apiCall(argument, callOptions, callback);
       };
     }
   }

typescript/test/testdata/redis/src/v1beta1/cloud_redis_client.ts.baseline

@@ -252,6 +252,9 @@ export class CloudRedisClient {
     for (const methodName of cloudRedisStubMethods) {
       const innerCallPromise = this.cloudRedisStub.then(
         stub => (...args: Array<{}>) => {
+          if (this._terminated) {
+            return Promise.reject('The client has already been closed.');
+          }
           return stub[methodName].apply(stub, args);
         },
         (err: Error|null|undefined) => () => {
@@ -271,10 +274,7 @@ export class CloudRedisClient {
         callOptions?: CallOptions,
         callback?: APICallback
       ) => {
-         if (this._terminated) {
-            return Promise.reject('The client has already been closed.');
-         }
-         return apiCall(argument, callOptions, callback);
+        return apiCall(argument, callOptions, callback);
       };
     }
   }

typescript/test/testdata/showcase/src/v1beta1/echo_client.ts.baseline

@@ -196,6 +196,9 @@ export class EchoClient {
     for (const methodName of echoStubMethods) {
       const innerCallPromise = this.echoStub.then(
         stub => (...args: Array<{}>) => {
+          if (this._terminated) {
+            return Promise.reject('The client has already been closed.');
+          }
           return stub[methodName].apply(stub, args);
         },
         (err: Error|null|undefined) => () => {
@@ -215,10 +218,7 @@ export class EchoClient {
         callOptions?: CallOptions,
         callback?: APICallback
       ) => {
-         if (this._terminated) {
-            return Promise.reject('The client has already been closed.');
-         }
-         return apiCall(argument, callOptions, callback);
+        return apiCall(argument, callOptions, callback);
       };
     }
   }

typescript/test/testdata/texttospeech/src/v1/text_to_speech_client.ts.baseline

@@ -152,6 +152,9 @@ export class TextToSpeechClient {
     for (const methodName of textToSpeechStubMethods) {
       const innerCallPromise = this.textToSpeechStub.then(
         stub => (...args: Array<{}>) => {
+          if (this._terminated) {
+            return Promise.reject('The client has already been closed.');
+          }
           return stub[methodName].apply(stub, args);
         },
         (err: Error|null|undefined) => () => {
@@ -171,10 +174,7 @@ export class TextToSpeechClient {
         callOptions?: CallOptions,
         callback?: APICallback
       ) => {
-         if (this._terminated) {
-            return Promise.reject('The client has already been closed.');
-         }
-         return apiCall(argument, callOptions, callback);
+        return apiCall(argument, callOptions, callback);
       };
     }
   }

typescript/test/testdata/translate/src/v3beta1/translation_service_client.ts.baseline

@@ -214,6 +214,9 @@ export class TranslationServiceClient {
     for (const methodName of translationServiceStubMethods) {
       const innerCallPromise = this.translationServiceStub.then(
         stub => (...args: Array<{}>) => {
+          if (this._terminated) {
+            return Promise.reject('The client has already been closed.');
+          }
           return stub[methodName].apply(stub, args);
         },
         (err: Error|null|undefined) => () => {
@@ -233,10 +236,7 @@ export class TranslationServiceClient {
         callOptions?: CallOptions,
         callback?: APICallback
       ) => {
-         if (this._terminated) {
-            return Promise.reject('The client has already been closed.');
-         }
-         return apiCall(argument, callOptions, callback);
+        return apiCall(argument, callOptions, callback);
       };
     }
   }