migrate markdown widget

packages/netlify-cms-core/src/valueObjects/EditorComponent.js

@@ -0,0 +1,53 @@
+import PropTypes from 'prop-types';
+import { Component, Children } from 'react';
+import { List, Record, fromJS } from 'immutable';
+import { isFunction } from 'lodash';
+
+const plugins = { editor: List() };
+
+const catchesNothing = /.^/;
+const EditorComponent = Record({
+  id: null,
+  label: 'unnamed component',
+  icon: 'exclamation-triangle',
+  fields: [],
+  pattern: catchesNothing,
+  fromBlock(match) { return {}; },
+  toBlock(attributes) { return 'Plugin'; },
+  toPreview(attributes) { return 'Plugin'; },
+});
+
+
+class Plugin extends Component { // eslint-disable-line
+  static propTypes = {
+    children: PropTypes.element.isRequired,
+  };
+
+  static childContextTypes = {
+    plugins: PropTypes.object,
+  };
+
+  getChildContext() {
+    return { plugins };
+  }
+
+  render() {
+    return Children.only(this.props.children);
+  }
+}
+
+export default function createEditorComponent(config) {
+  const configObj = new EditorComponent({
+    id: config.id || config.label.replace(/[^A-Z0-9]+/ig, '_'),
+    label: config.label,
+    icon: config.icon,
+    fields: fromJS(config.fields),
+    pattern: config.pattern,
+    fromBlock: isFunction(config.fromBlock) ? config.fromBlock.bind(null) : null,
+    toBlock: isFunction(config.toBlock) ? config.toBlock.bind(null) : null,
+    toPreview: isFunction(config.toPreview) ? config.toPreview.bind(null) : config.toBlock.bind(null),
+  });
+
+
+  return configObj;
+}