Bundle .map files during build (#2591)

* Bundle .map files during build

* Fix flakes

panel/compiler.py

@@ -83,7 +83,6 @@ def require_components():
  exports.append(export)
  return configs, requirements, exports, skip_import
 
-
 def write_bundled_files(name, files, bundle_dir, explicit_dir=None, ext=None):
  model_name = name.split('.')[-1].lower()
  for bundle_file in files:
@@ -94,8 +93,17 @@ def write_bundled_files(name, files, bundle_dir, explicit_dir=None, ext=None):
  try:
  response = requests.get(bundle_file, verify=False)
  except Exception as e:
- print(f"Failed to fetch {name} dependency: {bundle_file}. Errored with {e}.")
- continue
+ raise ConnectionError(
+ f"Failed to fetch {name} dependency: {bundle_file}. Errored with {e}."
+ )
+ try:
+ map_file = f'{bundle_file}.map'
+ map_response = requests.get(map_file)
+ except Exception:
+ try:
+ map_response = requests.get(map_file, verify=False)
+ except Exception:
+ map_response = None
  bundle_path = os.path.join(*os.path.join(*bundle_file.split('//')[1:]).split('/')[1:])
  obj_dir = explicit_dir or model_name
  filename = bundle_dir.joinpath(obj_dir, bundle_path)
@@ -105,6 +113,9 @@ def write_bundled_files(name, files, bundle_dir, explicit_dir=None, ext=None):
  filename += f'.{ext}'
  with open(filename, 'w', encoding="utf-8") as f:
  f.write(response.content.decode('utf-8'))
+ if map_response:
+ with open(f'{filename}.map', 'w', encoding="utf-8") as f:
+ f.write(map_response.content.decode('utf-8'))
 
 def write_bundled_tarball(name, tarball, bundle_dir, module=False):
  model_name = name.split('.')[-1].lower()