feat: provide usable UMD builds for all packages (#2141)

packages/netlify-cms-default-exports/src/index.js

@@ -0,0 +1,54 @@
+import css from '@emotion/css';
+import {
+  withEmotionCache,
+  CacheProvider,
+  ThemeContext,
+  jsx,
+  Global,
+  keyframes,
+  ClassNames,
+} from '@emotion/core';
+import EmotionStyled from '@emotion/styled';
+import Immutable from 'immutable';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import Lodash from 'lodash/lodash';
+import Moment from 'moment';
+import PropTypes from 'prop-types';
+import React from 'react';
+import ReactDOM from 'react-dom';
+import * as UUId from 'uuid';
+
+const EmotionCore = {
+  css,
+  withEmotionCache,
+  CacheProvider,
+  ThemeContext,
+  jsx,
+  Global,
+  keyframes,
+  ClassNames,
+};
+export const NetlifyCmsDefaultExports = {
+  EmotionCore,
+  EmotionStyled,
+  Immutable,
+  ImmutablePropTypes,
+  Lodash,
+  Moment,
+  PropTypes,
+  React,
+  ReactDOM,
+  UUId,
+};
+export {
+  EmotionCore,
+  EmotionStyled,
+  Immutable,
+  ImmutablePropTypes,
+  Lodash,
+  Moment,
+  PropTypes,
+  React,
+  ReactDOM,
+  UUId,
+};