src/variables.js
var undef
export const UID = '_base' + Date.now(),
ATTR_FEATURES_SEPARATOR = ',',
ATTR_FEATURES = 'data-feature',
ATTR_FEATURES_IGNORE = 'data-feature-ignore',
ATTR_EXTERNAL_SCRIPT = 'data-feature-dependency',
FEATURES_MAIN_BUNDLE = 'main',
T_STRING = 'string',
T_UNDEF = 'undefined',
T_OBJECT = 'object',
T_NUMBER = 'number',
T_FUNCTION = 'function',
EMPTY_DEFINITIONS = [undef, null, false, 0, '', '0']