react-router-routes-wip.js

const routes = (
  <Router history={hashHistory}>
    <Route path="/" component={Root}>
      <IndexRoute component={Splash} />
      <Route path="/eslint" component={Root}>
        <Route path="/check" component={Root} />
      </Route>
    </Route>

    <Route path="/test" component={Root}>
      <IndexRoute component={Splash} />
    </Route>
  </Router>
);

function walkReactComponentTree(component, prependPath = '') {
  const paths = [];
  const { path, children } = component.props;

  if (Array.isArray(children)) {
    let parentPath;

    if (path) {
      if (prependPath) {
        parentPath = (`${prependPath}/${path}`);
      } else {
        parentPath = path;
      }

      paths.push(parentPath);
    }

    children.forEach((child) => {
      paths.push(walkReactComponentTree(child, parentPath));
    });

    const flattenPaths = [];
    return flattenPaths.concat.apply([], paths);
  }

  if (path) {
    if (prependPath) {
      paths.push(`${prependPath}/${path}`);
    } else {
      paths.push(path);
    }
  }

  if (children && children.props && children.props.path) {
    let childPath = children.props.path;
    if (prependPath) {
      if (path) {
        paths.push(`${prependPath}/${path}/${childPath}`);
      } else {
        paths.push(`${prependPath}/${childPath}`);
      }
    } else {
      paths.push(childPath);
    }
  }

  return paths;
}

const tree = walkReactComponentTree(routes);
console.log(tree);

// # => ["/", "///eslint", "///eslint//check", "/test"]