silverstripe-framework/javascript/src/router.js

/**
 * Handles client-side routing.
 * See https://github.com/visionmedia/page.js
 */
import page from 'page.js';

/**
 * Wrapper for `page.show()` with SilverStripe specific behaviour.
 */
function show(pageShow) {
  return (path, state, dispatch, push) => {
    // Normalise `path` so that pattern matching is more robust.
    // For example if your route is '/pages' it should match when `path` is
    // 'http://foo.com/admin/pages', '/pages', and 'pages'.
    const el = document.createElement('a');
    let pathWithSearch;
    el.href = path;
    pathWithSearch = el.pathname;
    if (el.search) {
      pathWithSearch += el.search;
    }

    return pageShow(pathWithSearch, state, dispatch, push);
  };
}

page.show = show(page.show);

export default page;