gatsby/cache-dir/commonjs/static-query.js

Blazing fast modern site generator for React

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

exports.__esModule = true;
exports.useStaticQuery = exports.StaticQueryServerContext = exports.StaticQueryContext = exports.StaticQuery = void 0;

var _react = _interopRequireDefault(require("react"));

var _propTypes = _interopRequireDefault(require("prop-types"));

const StaticQueryContext = /*#__PURE__*/_react.default.createContext({});

exports.StaticQueryContext = StaticQueryContext;
let StaticQueryServerContext = null;
exports.StaticQueryServerContext = StaticQueryServerContext;

if (_react.default.createServerContext) {
  exports.StaticQueryServerContext = StaticQueryServerContext = _react.default.createServerContext(`StaticQuery`, {});
}

function StaticQueryDataRenderer({
  staticQueryData,
  data,
  query,
  render
}) {
  const finalData = data ? data.data : staticQueryData[query] && staticQueryData[query].data;
  return /*#__PURE__*/_react.default.createElement(_react.default.Fragment, null, finalData && render(finalData), !finalData && /*#__PURE__*/_react.default.createElement("div", null, "Loading (StaticQuery)"));
} // TODO(v5): Remove completely


const StaticQuery = props => {
  const {
    data,
    query,
    render,
    children
  } = props;
  return /*#__PURE__*/_react.default.createElement(StaticQueryContext.Consumer, null, staticQueryData => /*#__PURE__*/_react.default.createElement(StaticQueryDataRenderer, {
    data: data,
    query: query,
    render: render || children,
    staticQueryData: staticQueryData
  }));
};

exports.StaticQuery = StaticQuery;
StaticQuery.propTypes = {
  data: _propTypes.default.object,
  query: _propTypes.default.string.isRequired,
  render: _propTypes.default.func,
  children: _propTypes.default.func
};

const useStaticQuery = query => {
  var _context$query;

  if (typeof _react.default.useContext !== `function` && process.env.NODE_ENV === `development`) {
    // TODO(v5): Remove since we require React >= 18
    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.`);
  }

  let context; // Can we get a better check here?

  if (StaticQueryServerContext && Object.keys(StaticQueryServerContext._currentValue).length) {
    context = _react.default.useContext(StaticQueryServerContext);
  } else {
    context = _react.default.useContext(StaticQueryContext);
  } // query is a stringified number like `3303882` when wrapped with graphql, If a user forgets
  // to wrap the query in a grqphql, then casting it to a Number results in `NaN` allowing us to
  // catch the misuse of the API and give proper direction


  if (isNaN(Number(query))) {
    throw new Error(`useStaticQuery was called with a string but expects to be called using \`graphql\`. Try this:

import { useStaticQuery, graphql } from 'gatsby';

useStaticQuery(graphql\`${query}\`);
`);
  }

  if ((_context$query = context[query]) !== null && _context$query !== void 0 && _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`);
  }
};

exports.useStaticQuery = useStaticQuery;