@anansi/polyfill/dist/index.js

'use strict';

var _createForOfIteratorHelper = require('@babel/runtime/helpers/esm/createForOfIteratorHelper');
var _ric = require('ric-shim');

function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }

function _interopNamespace(e) {
  if (e && e.__esModule) return e;
  var n = Object.create(null);
  if (e) {
    Object.keys(e).forEach(function (k) {
      if (k !== 'default') {
        var d = Object.getOwnPropertyDescriptor(e, k);
        Object.defineProperty(n, k, d.get ? d : {
          enumerable: true,
          get: function () {
            return e[k];
          }
        });
      }
    });
  }
  n['default'] = e;
  return Object.freeze(n);
}

var _createForOfIteratorHelper__default = /*#__PURE__*/_interopDefaultLegacy(_createForOfIteratorHelper);
var _ric__default = /*#__PURE__*/_interopDefaultLegacy(_ric);

function loadPolyfills() {
  var include = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'all';
  var loaders = {
    intl: function intl() {
      if (!global.Intl || typeof global.Intl.DateTimeFormat.prototype.formatToParts !== 'function') {
        return Promise.resolve().then(function () { return /*#__PURE__*/_interopNamespace(require(
        /* webpackChunkName: "intl-polyfill" */
        'intl')); }).then(function (_ref) {
          var Intl = _ref["default"];
          global.Intl = Intl;
          return global.Intl;
        }).then(function (Intl) {
          return Promise.resolve().then(function () { return /*#__PURE__*/_interopNamespace(require(
          /* webpackChunkName: "locale-en" */
          'intl/locale-data/jsonp/en')); }).then(function () {
            return Intl;
          });
        });
      }
    },
    ric: function ric() {
      if (!global.requestIdleCallback) {
        global.requestIdleCallback = _ric__default['default'];
        global.cancelIdleCallback = _ric__default['default'].cancelIdleCallback;
        return Promise.resolve(_ric__default['default']);
      }
    },
    fetch: function fetch() {
      if (window && !window.fetch) {
        return Promise.resolve().then(function () { return /*#__PURE__*/_interopNamespace(require(
        /* webpackChunkName: "fetch-polyfill" */
        'whatwg-fetch')); }).then(function () {
          return window.fetch;
        });
      }
    }
  };
  var promises = [];

  if (include === 'all') {
    for (var k in loaders) {
      var promise = loaders[k]();

      if (promise) {
        promises.push(promise);
      }
    }
  } else {
    var _iterator = _createForOfIteratorHelper__default['default'](include),
        _step;

    try {
      for (_iterator.s(); !(_step = _iterator.n()).done;) {
        var _k = _step.value;

        var _promise = loaders[_k]();

        if (_promise) {
          promises.push(_promise);
        }
      }
    } catch (err) {
      _iterator.e(err);
    } finally {
      _iterator.f();
    }
  }

  return Promise.all(promises);
}

module.exports = loadPolyfills;