Method _fetch404

src/core/fetch/index.js:242–258

* Load the 404 page * @param {String} path URL to be loaded * @param {*} qs TODO: define * @param {Function} cb Callback * @returns {Boolean} True if the requested page is not found * @private

(path, qs, cb = noop)

     * @private
     */
    _fetch404(path, qs, cb = noop) {
      const { loadSidebar, requestHeaders, notFoundPage } = this.config;

      const fnLoadSideAndNav = this._loadSideAndNav(path, qs, loadSidebar, cb);
      if (notFoundPage) {
        const path404 = get404Path(path, this.config);

        request(this.router.getFile(path404), true, requestHeaders).then(
          (text, opt) => this._renderMain(text, opt, fnLoadSideAndNav),
          () => this._renderMain(null, {}, fnLoadSideAndNav)
        );
        return true;
      }

      this._renderMain(null, {}, fnLoadSideAndNav);
      return false;
    }

    initFetch() {
      const { loadSidebar } = this.config;