js_examples: Migrate and test add_subscriptions example.

templates/zerver/api/subscribe.md

@@ -13,36 +13,7 @@
 
 More examples and documentation can be found [here](https://github.com/zulip/zulip-js).
 
-```js
+{generate_code_example(javascript)|/users/me/subscriptions:post|example}
-const zulip = require('zulip-js');
-
-// Pass the path to your zuliprc file here.
-const config = {
-    zuliprc: 'zuliprc',
-};
-
-zulip(config).then((client) => {
-    // Subscribe to the streams "Verona" and "Denmark"
-    const meParams = {
-        subscriptions: JSON.stringify([
-            {'name': 'Verona'},
-            {'name': 'Denmark'}
-        ]),
-    };
-    client.users.me.subscriptions.add(meParams).then(console.log);
-
-    // To subscribe another user to a stream, you may pass in
-    // the `principals` parameter, like so:
-    const anotherUserParams = {
-        subscriptions: JSON.stringify([
-            {'name': 'Verona'},
-            {'name': 'Denmark'}
-        ]),
-        principals: JSON.stringify(['ZOE@zulip.org']),
-    };
-    client.users.me.subscriptions.add(anotherUserParams).then(console.log);
-});
-```
 
 {tab|curl}
 

zerver/openapi/javascript_examples.js

@@ -48,6 +48,7 @@ const ExamplesHandler = function () {
         await generate_validation_data(client, examples.register_queue);
         await generate_validation_data(client, examples.render_message);
         await generate_validation_data(client, examples.set_typing_status);
+        await generate_validation_data(client, examples.add_subscriptions);
 
         console.log(JSON.stringify(response_data));
         return;
@@ -228,4 +229,32 @@ add_example('set_typing_status', '/typing:post', 200, async (client) => {
     // {code_example|end}
 });
 
+add_example('add_subscriptions', '/users/me/subscriptions:post', 200, async (client) => {
+    // {code_example|start}
+    // Subscribe to the streams "Verona" and "Denmark"
+    const meParams = {
+        subscriptions: JSON.stringify([
+            {name: 'Verona'},
+            {name: 'Denmark'},
+        ]),
+    };
+    const result_1 = await client.users.me.subscriptions.add(meParams);
+    // {code_example|end}
+
+    // {code_example|start}
+    // To subscribe another user to a stream, you may pass in
+    // the `principals` parameter, like so:
+    const user_id = 7;
+    const anotherUserParams = {
+        subscriptions: JSON.stringify([
+            {name: 'Verona'},
+            {name: 'Denmark'},
+        ]),
+        principals: JSON.stringify([user_id]),
+    };
+    const result_2 = await client.users.me.subscriptions.add(anotherUserParams);
+    // {code_example|end}
+    return [result_1, result_2];
+});
+
 main();