import { graphql , useStaticQuery } from 'gatsby' ; import React from 'react' ; import { Helmet } from 'react-helmet' ; export interface LayoutProps { children : React . ReactNode ; } export function Layout ( { children } ) { const data = useStaticQuery ( graphql `
    {
      site {
        siteMetadata {
          name
          description
        }
      }
    }
  ` ) ; return ( < React . StrictMode > < Helmet titleTemplate = { `%s - ${ data . site . siteMetadata . name }` } defaultTitle = { data . site . siteMetadata . name } > < meta name = "description" content = { data . site . siteMetadata . description } / > < /Helmet> < header > { } < /header> < main > { children } < /main> < footer > { } < /footer> < /React.StrictMode>); }