kitchen sink peer connect and channel create

src/utils/eify.ts

@@ -0,0 +1,10 @@
+/// Sometimes we catch an error as `unknown` so this turns it into an Error.
+export default function eify(e: unknown): Error {
+    if (e instanceof Error) {
+        return e;
+    } else if (typeof e === 'string') {
+        return new Error(e);
+    } else {
+        return new Error('Unknown error');
+    }
+}