diff options
-rw-r--r-- | cli/file_watcher.rs | 7 | ||||
-rw-r--r-- | cli/tests/integration_tests.rs | 15 |
2 files changed, 20 insertions, 2 deletions
diff --git a/cli/file_watcher.rs b/cli/file_watcher.rs index 699a27864..d9681af7f 100644 --- a/cli/file_watcher.rs +++ b/cli/file_watcher.rs @@ -172,7 +172,7 @@ where let mut debounce = Debounce::new(); // Store previous data. If module resolution fails at some point, the watcher will try to // continue watching files using these data. - let mut paths; + let mut paths = Vec::new(); let mut module = None; loop { @@ -185,7 +185,10 @@ where module = Some(module_info); } ModuleResolutionResult::Fail { source_path, error } => { - paths = vec![source_path]; + if paths.is_empty() { + paths = vec![source_path]; + } + if module.is_none() { eprintln!("{}: {}", colors::red_bold("error"), error); } 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()); |