storybook-addon-themes/dist/decorators/react.js

A storybook addon to switch between different themes for your preview

"use strict";

function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

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

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

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

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

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

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

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

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

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

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

var _addons = _interopRequireDefault(require("@storybook/addons"));

var _constants = require("../constants");

var _shared = require("../shared");

var _shared2 = require("./shared");

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }

function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; }

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { "default": obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj["default"] = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

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; }

var channel = _addons["default"].getChannel();

var ThemeDecorator = function ThemeDecorator(props) {
  var children = props.children,
      config = props.config;
  var Decorator = config.Decorator,
      list = config.list,
      defaultTheme = config["default"];

  var _useState = (0, _react.useState)(function () {
    var lastValue = channel.last(_constants.CHANGE);
    return lastValue && lastValue[0] || (0, _shared.getSelectedThemeName)(list, defaultTheme);
  }),
      _useState2 = _slicedToArray(_useState, 2),
      themeName = _useState2[0],
      setThemeName = _useState2[1];

  var theme = (0, _shared.getSelectedTheme)(list, themeName);
  var themeClasses = (0, _shared2.getHtmlClasses)(theme);
  (0, _react.useEffect)(function () {
    channel.on(_constants.CHANGE, setThemeName);
    return function () {
      return channel.removeListener(_constants.CHANGE, setThemeName);
    };
  }, [setThemeName]);

  if (Decorator) {
    return /*#__PURE__*/_react["default"].createElement(Decorator, {
      theme: theme,
      themes: list,
      themeClasses: themeClasses,
      themeName: themeName
    }, children);
  }

  return /*#__PURE__*/_react["default"].createElement("div", {
    className: themeClasses
  }, children);
};

exports.ThemeDecorator = ThemeDecorator;