js: Use ES6 object literal shorthand syntax.

Generated by ESLint.

Signed-off-by: Anders Kaseorg <anders@zulip.com>

static/js/submessage.js

@@ -64,12 +64,12 @@ exports.do_process_submessages = function (in_opts) {
     const post_to_server = exports.make_server_callback(message_id);
 
     widgetize.activate({
-        widget_type: widget_type,
+        widget_type,
         extra_data: data.extra_data,
-        events: events,
-        row: row,
-        message: message,
-        post_to_server: post_to_server,
+        events,
+        row,
+        message,
+        post_to_server,
     });
 };
 
@@ -124,7 +124,7 @@ exports.handle_event = function (submsg) {
     widgetize.handle_event({
         sender_id: submsg.sender_id,
         message_id: submsg.message_id,
-        data: data,
+        data,
     });
 };
 
@@ -133,9 +133,9 @@ exports.make_server_callback = function (message_id) {
         const url = "/json/submessage";
 
         channel.post({
-            url: url,
+            url,
             data: {
-                message_id: message_id,
+                message_id,
                 msg_type: opts.msg_type,
                 content: JSON.stringify(opts.data),
             },