Trigger directory completion upon pressing Enter

helix-term/src/ui/prompt.rs

@@ -253,9 +253,14 @@ impl Component for Prompt {
                 code: KeyCode::Enter,
                 ..
             } => {
+                if self.line.ends_with('/') {
+                    self.completion = (self.completion_fn)(&self.line);
+                    self.exit_selection();
+                } else {
                     (self.callback_fn)(cx.editor, &self.line, PromptEvent::Validate);
                     return close_fn;
                 }
+            }
             KeyEvent {
                 code: KeyCode::Tab, ..
             } => self.change_completion_selection(),