Use async/await and don't swallow errors.

Also, handle the error in `getRoomFeatures`

dist/converse.js

@@ -64630,25 +64630,18 @@ _converse_core__WEBPACK_IMPORTED_MODULE_0__["default"].plugins.add('converse-dis
         this.items.fetch();
       },
 
-      getIdentity(category, type) {
+      async getIdentity(category, type) {
         /* Returns a Promise which resolves with a map indicating
-         * whether a given identity is provided.
+         * whether a given identity is provided by this entity.
          *
          * Parameters:
          *    (String) category - The identity category
          *    (String) type - The identity type
          */
-        const entity = this;
-        return new Promise((resolve, reject) => {
-          function fulfillPromise() {
-            const model = entity.identities.findWhere({
-              'category': category,
-              'type': type
-            });
-            resolve(model);
-          }
-
-          entity.waitUntilFeaturesDiscovered.then(fulfillPromise).catch(_.partial(_converse.log, _, Strophe.LogLevel.FATAL));
+        await this.waitUntilFeaturesDiscovered;
+        return this.identities.findWhere({
+          'category': category,
+          'type': type
         });
       },
 
@@ -66590,26 +66583,26 @@ _converse_core__WEBPACK_IMPORTED_MODULE_6__["default"].plugins.add('converse-muc
         return this.getRoomFeatures();
       },
 
-      async getRoomIdentity() {
-        const _ref = await Promise.all([_converse.api.disco.getIdentity('conference', 'text', this.get('jid')), _converse.api.disco.getFields(this.get('jid'))]),
-              _ref2 = _slicedToArray(_ref, 2),
-              identity = _ref2[0],
-              fields = _ref2[1];
+      async getRoomFeatures() {
+        let identity;
 
+        try {
+          identity = await _converse.api.disco.getIdentity('conference', 'text', this.get('jid'));
+        } catch (e) {
+          // Getting the identity probably failed because this room doesn't exist yet.
+          return _converse.log(e, Strophe.LogLevel.ERROR);
+        }
+
+        const fields = await _converse.api.disco.getFields(this.get('jid'));
         this.save({
           'name': identity && identity.get('name'),
           'description': _.get(fields.findWhere({
             'var': "muc#roominfo_description"
           }), 'attributes.value')
         });
-      },
-
-      async getRoomFeatures() {
-        // XXX: not sure whet the right place is to get the room identitiy
-        this.getRoomIdentity();
+        const features = await _converse.api.disco.getFeatures(this.get('jid'));
 
-        const features = await _converse.api.disco.getFeatures(this.get('jid')),
-              attrs = _.extend(_.zipObject(_converse_core__WEBPACK_IMPORTED_MODULE_6__["default"].ROOM_FEATURES, _.map(_converse_core__WEBPACK_IMPORTED_MODULE_6__["default"].ROOM_FEATURES, _.stubFalse)), {
+        const attrs = _.extend(_.zipObject(_converse_core__WEBPACK_IMPORTED_MODULE_6__["default"].ROOM_FEATURES, _.map(_converse_core__WEBPACK_IMPORTED_MODULE_6__["default"].ROOM_FEATURES, _.stubFalse)), {
           'fetched': moment().format()
         });
 

src/headless/converse-disco.js

@@ -64,26 +64,18 @@ converse.plugins.add('converse-disco', {
                 this.items.fetch();
             },
 
-            getIdentity (category, type) {
+            async getIdentity (category, type) {
                 /* Returns a Promise which resolves with a map indicating
-                 * whether a given identity is provided.
+                 * whether a given identity is provided by this entity.
                  *
                  * Parameters:
                  *    (String) category - The identity category
                  *    (String) type - The identity type
                  */
-                const entity = this;
-                return new Promise((resolve, reject) => {
-                    function fulfillPromise () {
-                        const model = entity.identities.findWhere({
-                            'category': category,
-                            'type': type
-                        });
-                        resolve(model);
-                    }
-                    entity.waitUntilFeaturesDiscovered
-                        .then(fulfillPromise)
-                        .catch(_.partial(_converse.log, _, Strophe.LogLevel.FATAL));
+                await this.waitUntilFeaturesDiscovered;
+                return this.identities.findWhere({
+                    'category': category,
+                    'type': type
                 });
             },
 

src/headless/converse-muc.js

@@ -502,26 +502,25 @@ converse.plugins.add('converse-muc', {
                 return this.getRoomFeatures();
             },
 
-            async getRoomIdentity () {
-                const [identity, fields] = await Promise.all([
-                    _converse.api.disco.getIdentity('conference', 'text', this.get('jid')),
-                    _converse.api.disco.getFields(this.get('jid'))
-                ]);
+            async getRoomFeatures () {
+                let identity;
+                try {
+                    identity = await _converse.api.disco.getIdentity('conference', 'text', this.get('jid'));
+                } catch (e) {
+                    // Getting the identity probably failed because this room doesn't exist yet.
+                    return _converse.log(e, Strophe.LogLevel.ERROR);
+                }
+                const fields = await _converse.api.disco.getFields(this.get('jid'));
                 this.save({
                     'name': identity && identity.get('name'),
                     'description': _.get(fields.findWhere({'var': "muc#roominfo_description"}), 'attributes.value')
                 });
-            },
-
-            async getRoomFeatures () {
-                // XXX: not sure whet the right place is to get the room identitiy
-                this.getRoomIdentity();
-                const features = await _converse.api.disco.getFeatures(this.get('jid')),
-                      attrs = _.extend(
-                            _.zipObject(converse.ROOM_FEATURES, _.map(converse.ROOM_FEATURES, _.stubFalse)),
-                            {'fetched': moment().format()}
-                      );
 
+                const features = await _converse.api.disco.getFeatures(this.get('jid'));
+                const attrs = _.extend(
+                    _.zipObject(converse.ROOM_FEATURES, _.map(converse.ROOM_FEATURES, _.stubFalse)),
+                    {'fetched': moment().format()}
+                );
                 features.each(feature => {
                     const fieldname = feature.get('var');
                     if (!fieldname.startsWith('muc_')) {