code: function findPageForPath (pages, path) {
    for (let i = 0; i < pages.length; i++) {
      const page = pages[i]
      if (page.path.toLowerCase() === path.toLowerCase()) {
        return page
      }
    }
    return {
      path: '',
      frontmatter: {}
    }
  }
docs: Get page data via path (permalink).
  
  @param {array} pages
  @param {string} path
  @returns {object}