def to_javascript(rule):
    to_js = _JavaScriptCompiler().compile
    result = ['(function(n) { return ']
    for tag, ast in PluralRule.parse(rule).abstract:
        result.append('%s ? %r : ' % (to_js(ast), tag))
    result.append('%r; })' % _fallback_tag)
    return ''.join(result)
Given a specific section in the configuration file that maps to
dataset/ETHPy150Open lad1337/XDM/site-packages/babel/plural.py/to_javascript--crossover with--dataset/ETHPy150Open ceph/ceph-deploy/ceph_deploy/conf/cephdeploy.py/override_subcommand