@storybook/addon-docs/dist/cjs/blocks/useStory.js

"use strict";

require("core-js/modules/es.symbol.js");

require("core-js/modules/es.symbol.description.js");

require("core-js/modules/es.symbol.iterator.js");

require("core-js/modules/es.array.slice.js");

require("core-js/modules/es.function.name.js");

require("core-js/modules/es.array.from.js");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.useStory = useStory;
exports.useStories = useStories;

require("regenerator-runtime/runtime.js");

require("core-js/modules/es.promise.js");

require("core-js/modules/es.object.to-string.js");

require("core-js/modules/es.string.iterator.js");

require("core-js/modules/es.array.iterator.js");

require("core-js/modules/web.dom-collections.iterator.js");

require("core-js/modules/es.array.map.js");

require("core-js/modules/es.object.assign.js");

var _react = require("react");

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }

function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }

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

function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

function _iterableToArrayLimit(arr, i) { if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return; 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; }

function useStory(storyId, context) {
  var stories = useStories([storyId], context);
  return stories && stories[0];
}

function useStories(storyIds, context) {
  var initialStoriesById = context.componentStories().reduce(function (acc, story) {
    acc[story.id] = story;
    return acc;
  }, {});

  var _useState = (0, _react.useState)(initialStoriesById),
      _useState2 = _slicedToArray(_useState, 2),
      storiesById = _useState2[0],
      setStories = _useState2[1];

  (0, _react.useEffect)(function () {
    Promise.all(storyIds.map( /*#__PURE__*/function () {
      var _ref = _asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(storyId) {
        var story;
        return regeneratorRuntime.wrap(function _callee$(_context) {
          while (1) {
            switch (_context.prev = _context.next) {
              case 0:
                _context.next = 2;
                return context.loadStory(storyId);

              case 2:
                story = _context.sent;
                setStories(function (current) {
                  return current[storyId] === story ? current : Object.assign({}, current, _defineProperty({}, storyId, story));
                });

              case 4:
              case "end":
                return _context.stop();
            }
          }
        }, _callee);
      }));

      return function (_x) {
        return _ref.apply(this, arguments);
      };
    }()));
  });
  return storyIds.map(function (storyId) {
    return storiesById[storyId];
  });
}