nodejs
diff --git a/‎src/node_url.cc‎
Lines changed: 1 addition & 1 deletion b/‎src/node_url.cc‎
Lines changed: 1 addition & 1 deletion
diff --git a/‎test/parallel/test-url-format-whatwg.js‎
Lines changed: 5 additions & 0 deletions b/‎test/parallel/test-url-format-whatwg.js‎
Lines changed: 5 additions & 0 deletions
@@ -168,7 +168,7 @@ void BindingData::Format(const FunctionCallbackInfo<Value>& args) {
     out->hash = std::nullopt;
   }
 
-  if (unicode) {
+  if (unicode && out->has_hostname()) {
     out->host = ada::idna::to_unicode(out->get_hostname());
   }
 
 
@@ -140,3 +140,8 @@ assert.strictEqual(
   url.format(new URL('http://user:pass@xn--0zwm56d.com:8080/path'), { unicode: true }),
   'http://user:pass@测试.com:8080/path'
 );
+
+assert.strictEqual(
+  url.format(new URL('tel:123')),
+  url.format(new URL('tel:123'), { unicode: true })
+);
Original file line number	Diff line number	Diff line change
@@ -168,7 +168,7 @@ void BindingData::Format(const FunctionCallbackInfo<Value>& args) {
168	168	out->hash = std::nullopt;
169	169	}
170	170
171		- if (unicode) {
	171	+ if (unicode && out->has_hostname()) {
172	172	out->host = ada::idna::to_unicode(out->get_hostname());
173	173	}
174	174