feat: support RPL_ISUPPORT CLIENTTAGDENY

This is useful for clients which want to do graceful degradations of client tags features such as typing, reacts, replies, etc. See https://ircv3.net/specs/extensions/message-tags#rpl_isupport-tokens for specification.
kiwiirc · Aug 11, 2023 · 117580e · 117580e
1 parent f2989ca
commit 117580e
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diff --git a/src/commands/handlers/registration.js b/src/commands/handlers/registration.js
@@ -84,6 +84,9 @@ const handlers = {
                 handler.network.options.CHANMODES = option[1].split(',');
             } else if (option[0] === 'CASEMAPPING') {
                 handler.network.options.CASEMAPPING = option[1];
+            // https://ircv3.net/specs/extensions/message-tags#rpl_isupport-tokens
+            } else if (option[0] === 'CLIENTTAGDENY' && handler.network.cap.isEnabled('message-tags')) {
+                handler.network.options.CLIENTTAGDENY = option[1].split(',');
             } else if (option[0] === 'NETWORK') {
                 handler.network.name = option[1];
             } else if (option[0] === 'NAMESX' && !handler.network.cap.isEnabled('multi-prefix')) {

diff --git a/src/networkinfo.js b/src/networkinfo.js
@@ -25,7 +25,8 @@ function NetworkInfo() {
             { symbol: '@', mode: 'o' },
             { symbol: '%', mode: 'h' },
             { symbol: '+', mode: 'v' }
-        ]
+        ],
+        CLIENTTAGDENY: []
     };
 
     this.time_offsets = [];

diff --git a/test/networkinfo.test.js b/test/networkinfo.test.js
@@ -53,5 +53,35 @@ describe('src/networkinfo.js', function() {
             const results = names.map(name => client.network.isChannelName(name));
             assert.deepEqual(results, [false, false, false, false, false, false]);
         });
+
+        it('should parse CLIENTTAGDENY= as a list', function() {
+            const client = newMockClient();
+            client.dispatch({
+                command: '005',
+                params: ['nick', 'CLIENTTAGDENY='],
+                tags: []
+            });
+            assert.isEmpty(client.network.options.CLIENTTAGDENY);
+        });
+
+        it('should parse CLIENTTAGDENY=*,-a,-b as a list', function() {
+            const client = newMockClient();
+            client.dispatch({
+                command: '005',
+                params: ['nick', 'CLIENTTAGDENY=*,-a,-b'],
+                tags: []
+            });
+            assert.equal(client.network.options.CLIENTTAGDENY, ['*', '-a', '-b']);
+        });
+    });
+
+    it('should parse CLIENTTAGDENY=a,b,c as a list', function() {
+        const client = newMockClient();
+        client.dispatch({
+            command: '005',
+            params: ['nick', 'CLIENTTAGDENY=a,b,c'],
+            tags: []
+        });
+        assert.equal(client.network.options.CLIENTTAGDENY, ['a', 'b', 'c']);
     });
 });