code: function getPathFromBase(href) {
      var base = route._.base;
      return base[0] === '#'
        ? (href || loc.href || '').split(base)[1] || ''
        : (loc ? getPathFromRoot(href) : href || '').replace(base, '')
    }
docs: Get the part after base
  @param {string} href - fullpath
  @returns {string} path from base