From e1afb4e5710c1ab8a8cffbd3363ad1cbf369c6e5 Mon Sep 17 00:00:00 2001
From: Ben Foxall <benfoxall@gmail.com>
Date: Sun, 22 Sep 2024 12:34:20 +0000
Subject: [PATCH] Retrieve ice candidates

This was hard! :sweat:

Breaking on caught exceptions helped
---
 src/components/Editor.tsx | 17 ++++++++++-------
 src/yconfig.ts            | 32 ++++++++++++++++++++++++++++----
 2 files changed, 38 insertions(+), 11 deletions(-)

diff --git a/src/components/Editor.tsx b/src/components/Editor.tsx
index 10a7a0a..f673e8a 100644
--- a/src/components/Editor.tsx
+++ b/src/components/Editor.tsx
@@ -67,13 +67,16 @@ export const Editor: FC<{
 
       _SET_MONACO(mon);
 
-      new MonacoBinding(
-        type,
-        model,
-        new Set([editor]),
-        yconfig.provider.awareness,
-      );
-
+      yconfig.provider.then(provider => {
+        new MonacoBinding(
+          type,
+          model,
+          new Set([editor]),
+          provider.awareness,
+        );
+      })
+
+      
       editor.setModel(model);
 
       return () => {
diff --git a/src/yconfig.ts b/src/yconfig.ts
index 1e0d536..679fecb 100644
--- a/src/yconfig.ts
+++ b/src/yconfig.ts
@@ -8,7 +8,7 @@ if (import.meta.hot) {
 
 interface YI {
   doc: Y.Doc;
-  provider: WebrtcProvider;
+  provider: Promise<WebrtcProvider>;
   room: string;
   initiator: boolean;
 }
@@ -34,9 +34,33 @@ const doc = new Y.Doc();
 
 const [name, password] = room.split('~');
 
-// @ts-expect-error
-// WebrtcProvider expects full Opts object, though it seems that Partial<Opts> works okay
-const provider = new WebrtcProvider(name, doc, { password, signaling: ['wss://y-ben.fly.dev'] });
+const provider = fetch('https://nice.benfoxall.workers.dev/')
+  .then((res) => res.json())
+  .then((config) => {
+    // correct iterable ice servers
+    if (config?.iceServers && !Array.isArray(config?.iceServers)) {
+      console.log('correcting ice servers');
+      config.iceServers = [config.iceServers];
+    }
+
+    // nest for peerOpts
+    return config;
+  })
+  .catch(() => undefined)
+  .then((config) => {
+    // @ts-expect-error
+    // WebrtcProvider expects full Opts object, though it seems that Partial<Opts> works okay
+    const provider = new WebrtcProvider(name, doc, {
+      password: null,
+      signaling: ['wss://y-ben.fly.dev'],
+      filterBcConns: false,
+      peerOpts: config ? { config } : undefined,
+    });
+
+    console.log('INIT PROVIDER', provider);
+
+    return provider;
+  });
 
 const config: YI = { room, doc, provider, initiator };