import React from "react" import PropTypes from "prop-types" import Link, { withPrefix, withAssetPrefix, navigate, push, replace, navigateTo, parsePath, } from "gatsby-link" import PageRenderer from "./public-page-renderer" import loader from "./loader" const prefetchPathname = loader.enqueue const StaticQueryContext = React.createContext({}) function StaticQueryDataRenderer({ staticQueryData, data, query, render }) { const finalData = data ? data.data : staticQueryData[query] && staticQueryData[query].data return ( {finalData && render(finalData)} {!finalData &&
Loading (StaticQuery)
}
) } const StaticQuery = props => { const { data, query, render, children } = props return ( {staticQueryData => ( )} ) } const useStaticQuery = query => { if ( typeof React.useContext !== `function` && process.env.NODE_ENV === `development` ) { throw new Error( `You're likely using a version of React that doesn't support Hooks\n` + `Please update React and ReactDOM to 16.8.0 or later to use the useStaticQuery hook.` ) } const context = React.useContext(StaticQueryContext) if (context[query] && context[query].data) { return context[query].data } else { throw new Error( `The result of this StaticQuery could not be fetched.\n\n` + `This is likely a bug in Gatsby and if refreshing the page does not fix it, ` + `please open an issue in https://github.com/gatsbyjs/gatsby/issues` ) } } StaticQuery.propTypes = { data: PropTypes.object, query: PropTypes.string.isRequired, render: PropTypes.func, children: PropTypes.func, } function graphql() { throw new Error( `It appears like Gatsby is misconfigured. Gatsby related \`graphql\` calls ` + `are supposed to only be evaluated at compile time, and then compiled away. ` + `Unfortunately, something went wrong and the query was left in the compiled code.\n\n` + `Unless your site has a complex or custom babel/Gatsby configuration this is likely a bug in Gatsby.` ) } export { Link, withAssetPrefix, withPrefix, graphql, parsePath, navigate, push, // TODO replace for v3 replace, // TODO remove replace for v3 navigateTo, // TODO: remove navigateTo for v3 StaticQueryContext, StaticQuery, PageRenderer, useStaticQuery, prefetchPathname, }