@hackoregon/component-library/es/DemoJSONLoader/DemoJSONLoader.js

Official repo for Hack Oregon React component library

function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread(); }

function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance"); }

function _iterableToArray(iter) { if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter); }

function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } }

function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest(); }

function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance"); }

function _iterableToArrayLimit(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }

function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }

import React, { useState, useEffect } from "react";
import { string, arrayOf, func } from "prop-types";

var DemoJSONLoader = function DemoJSONLoader(props) {
  var _useState = useState(null),
      _useState2 = _slicedToArray(_useState, 2),
      data = _useState2[0],
      setData = _useState2[1];

  useEffect(function () {
    var promisesArr = props.urls.map(function (url) {
      return fetch(url).then(function (response) {
        return response;
      }).then(function (response) {
        return response.ok ? response.json() : {
          error: "".concat(response.status, ": ").concat(response.statusText),
          slide_meta: {},
          slide_data: {}
        };
      });
    });
    Promise.all(promisesArr).then(function (response) {
      return setData(response);
    })["catch"](function (error) {
      throw new Error(error);
    });
  }, _toConsumableArray(props.urls));

  if (data === null) {
    return null;
  }

  return data.length === 1 ? props.children(data[0]) : props.children(data);
};

DemoJSONLoader.propTypes = {
  urls: arrayOf(string).isRequired,
  children: func
};
export default DemoJSONLoader;