wip

temp.js

function onlyUnique(value, index, self) {
  return self.indexOf(value) === index;
}

function findMatchingRoutes(routes, urlPath, ancestors) {
  var result = [];

  ancestors = ancestors || [];

  routes.forEach(function (route) {
    var path = _URLUtils.stripLeadingSlashes(route.path);
    var added = false;
    console.log(urlPath, _URLUtils.reduceDoubleSlash((ancestors.length ? ancestors[ancestors.length - 1] : '') + '/' + path));
    if (route.path && urlPath === _URLUtils.reduceDoubleSlash((ancestors.length ? ancestors[ancestors.length - 1] : '') + '/' + path)) {
      result.push(_URLUtils.reduceDoubleSlash((ancestors.length ? ancestors[ancestors.length - 1] : '') + '/' + path));
      added = true;
      if (ancestors.length) {
        result = result.concat(ancestors);
      }
    }

    if (route.childRoutes) {
      ancestors.push(_URLUtils.reduceDoubleSlash((ancestors.length ? ancestors[ancestors.length - 1] : '') + '/' + path));
      result = result.concat(route.path && added
        ? findMatchingRoutes(route.childRoutes, urlPath, ancestors)
        : findMatchingRoutes(route.childRoutes, urlPath));
    }
  });

  return result.filter(onlyUnique);
}