fix React warnings on renderMark, renderBlock, renderDecoration (#2974)

* fix React warnings on renderMark, renderBlock, renderDecoration

* included decorateNode and relocated code into constants in EventHandler

* Put decorateNode and render handlers into a seperate file.

* fix indentation

* overlooked indentation.

packages/slate-react/src/components/editor.js

@@ -9,6 +9,7 @@ import omit from 'lodash/omit'
 import { Editor as Controller } from 'slate'
 
 import EVENT_HANDLERS from '../constants/event-handlers'
+import OTHER_HANDLERS from '../constants/other-handlers'
 import Content from './content'
 import ReactPlugin from '../plugins/react'
 
@@ -54,6 +55,10 @@ class Editor extends React.Component {
       obj[handler] = Types.func
       return obj
     }, {}),
+    ...OTHER_HANDLERS.reduce((obj, handler) => {
+      obj[handler] = Types.func
+      return obj
+    }, {}),
   }
 
   /**

packages/slate-react/src/constants/other-handlers.js

@@ -0,0 +1,24 @@
+/**
+ * Other handlers used by Slate plugins.
+ *
+ * @type {Array}
+ */
+
+const OTHER_HANDLERS = [
+  'decorateNode',
+  'renderAnnotation',
+  'renderBlock',
+  'renderDecoration',
+  'renderDocument',
+  'renderEditor',
+  'renderInline',
+  'renderMark',
+]
+
+/**
+ * Export.
+ *
+ * @type {Array}
+ */
+
+export default OTHER_HANDLERS