react-static/lib/browser/hooks/useSiteData.js

A progressive static site generator for React

"use strict";

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

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;

var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));

var _react = require("react");

var _axios = _interopRequireDefault(require("axios"));

var _2 = require("..");

var _useStaticInfo = require("./useStaticInfo");

//
// This will likely become a react cache resource soon
var siteDataPromise;
var siteDataReady;
var siteData;

var useSiteData = function useSiteData() {
  // When clientData reloads, rerender components
  // that use this hook
  // eslint-disable-next-line
  var _useState = (0, _react.useState)(0),
      _useState2 = (0, _slicedToArray2["default"])(_useState, 2),
      _ = _useState2[0],
      setCount = _useState2[1];

  (0, _react.useEffect)(function () {
    return (0, _2.onReloadClientData)(function () {
      siteDataPromise = null;
      siteDataReady = false;
      setCount(function (old) {
        return old + 1;
      });
    });
  });
  var staticInfo = (0, _useStaticInfo.useStaticInfo)();

  if (staticInfo) {
    return staticInfo.siteData;
  }

  if (siteDataReady) {
    return siteData;
  }

  if (!siteDataPromise) {
    // Request the site data
    siteDataPromise = _axios["default"].get('/__react-static__/siteData').then(function (_ref) {
      var data = _ref.data;
      siteDataReady = true;
      siteData = data;
    });
  } // Throw the promise


  throw siteDataPromise;
};

var _default = useSiteData;
exports["default"] = _default;
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