fix(watcher): keep working even when imported file has invalid syntax (#9091)

1 files changed, 15 insertions, 0 deletions

diff --git a/cli/tests/integration_tests.rs b/cli/tests/integration_tests.rs
index 1bffe9ba9..feb3f7f04 100644
--- a/cli/tests/integration_tests.rs
+++ b/cli/tests/integration_tests.rs
@@ -1571,6 +1571,21 @@ fn run_watch() {
   assert!(stdout_lines.next().unwrap().contains("42"));
   wait_for_process_finished("Process", &mut stderr_lines);
 
+  // Update the content of the imported file with invalid syntax
+  std::fs::write(&another_file, "syntax error ^^").expect("error writing file");
+  std::thread::sleep(std::time::Duration::from_secs(1));
+  assert!(stderr_lines.next().unwrap().contains("Restarting"));
+  assert!(stderr_lines.next().unwrap().contains("error:"));
+  wait_for_process_finished("Process", &mut stderr_lines);
+
+  // Modify the imported file and make sure that restarting occurs
+  std::fs::write(&another_file, "export const foo = 'modified!';")
+    .expect("error writing file");
+  std::thread::sleep(std::time::Duration::from_secs(1));
+  assert!(stderr_lines.next().unwrap().contains("Restarting"));
+  assert!(stdout_lines.next().unwrap().contains("modified!"));
+  wait_for_process_finished("Process", &mut stderr_lines);
+
   // the watcher process is still alive
   assert!(child.try_wait().unwrap().is_none());