docs: update list calls to async (#44)

Author: irataxy

media/livestream/listChannelEvents.js

@@ -31,16 +31,16 @@ function main(projectId, location, channelId) {
   const livestreamServiceClient = new LivestreamServiceClient();
 
   async function listChannelEvents() {
-    const [events] = await livestreamServiceClient.listEvents({
+    const iterable = await livestreamServiceClient.listEventsAsync({
       parent: livestreamServiceClient.channelPath(
         projectId,
         location,
         channelId
       ),
     });
     console.info('Channel events:');
-    for (const event of events) {
-      console.info(event.name);
+    for await (const response of iterable) {
+      console.log(response.name);
     }
   }
 

media/livestream/listChannels.js

@@ -30,12 +30,12 @@ function main(projectId, location) {
   const livestreamServiceClient = new LivestreamServiceClient();
 
   async function listChannels() {
-    const [channels] = await livestreamServiceClient.listChannels({
+    const iterable = await livestreamServiceClient.listChannelsAsync({
       parent: livestreamServiceClient.locationPath(projectId, location),
     });
     console.info('Channels:');
-    for (const channel of channels) {
-      console.info(channel.name);
+    for await (const response of iterable) {
+      console.log(response.name);
     }
   }
 

media/livestream/listInputs.js

@@ -30,12 +30,12 @@ function main(projectId, location) {
   const livestreamServiceClient = new LivestreamServiceClient();
 
   async function listInputs() {
-    const [inputs] = await livestreamServiceClient.listInputs({
+    const iterable = await livestreamServiceClient.listInputsAsync({
       parent: livestreamServiceClient.locationPath(projectId, location),
     });
     console.info('Inputs:');
-    for (const input of inputs) {
-      console.info(input.name);
+    for await (const response of iterable) {
+      console.log(response.name);
     }
   }