Improve room join/leave

src/app/components/ChatMessage.svelte

@@ -81,7 +81,6 @@
 
   onMount(() => {
     editor = createEditor(getChatViewOptions(event.content))
-    console.log($editor)
   })
 </script>
 

src/app/routes.ts

@@ -6,7 +6,7 @@ export const makeSpacePath = (url: string, extra = "") => {
   let path = `/spaces/${nip19.nrelayEncode(url)}`
 
   if (extra) {
-    path += "/" + extra
+    path += "/" + encodeURIComponent(extra)
   }
 
   return path

src/app/state.ts

@@ -69,10 +69,6 @@ export const deriveEvent = (idOrAddress: string, hints: string[] = []) => {
   )
 }
 
-// Topics
-
-export const topicsByUrl = withGetter(writable(new Map<string, string[]>()))
-
 // Membership
 
 export type Membership = {
@@ -185,6 +181,20 @@ export const {
   },
 })
 
+// Topics
+
+export const topicsByUrl = derived(chats, $chats => {
+  const $topicsByUrl = new Map<string, string[]>()
+
+  for (const chat of $chats) {
+    if (chat.topic) {
+      pushToMapKey($topicsByUrl, chat.url, chat.topic)
+    }
+  }
+
+  return $topicsByUrl
+})
+
 // User stuff
 
 export const userProfile = derived([pubkey, profilesByPubkey], ([$pubkey, $profilesByPubkey]) => {