Function enable_feature

tools/feature_matrix.py:224–247

Update default settings for browser versions such that the given feature is available everywhere.

(feature, reason, override=False)

def enable_feature(feature, reason, override=False):
  """Update default settings for browser versions such that the given feature is available everywhere."""
  if override:
    enable_override_features.add(feature)
  for name, min_version in min_browser_versions[feature].items():
    name = f'MIN_{name.upper()}_VERSION'
    if settings[name] < min_version:
      if name in user_settings:
        # If the user explicitly chose an older version we issue a warning.
        if name == 'MIN_SAFARI_VERSION' and reason == 'pthreads':
          # But as a special case, don't warn when forcing on bulk memory on Safari.
          # This is because Safari implemented part of bulk memory along with threads in 14.1,
          # but not all of it. So bulk-mem is listed as supported in 15.0. So we want to
          # continue enabling bulk memory via pthreads without a warning in 14.1, but without
          # enabling other features requiring 15.0.
          continue
        diagnostics.warning(
            'compatibility',
            f'{name}={user_settings[name]} is not compatible with {reason} '
            f'({name}={min_version} or above required)')
      else:
        # If no conflict, bump the minimum version to accommodate the feature.
        logger.debug(f'Enabling {name}={min_version} to accommodate {reason}')
        setattr(settings, name, min_version)


def disable_feature(feature):