Add noop plugin (#2814)

packages/slate-react/src/plugins/debug/noop.js

@@ -0,0 +1,41 @@
+import EVENT_HANDLERS from '../../constants/event-handlers'
+
+/**
+ * A plugin immediately after any Debug plugins that prevents events from
+ * going any further.
+ *
+ * The purpose is to see how the editor events and mutations behave without
+ * the noise of the editor also adding its own events and mutations.
+ *
+ * @return {Object}
+ */
+
+function NoopPlugin() {
+  /**
+   * Plugin Object
+   *
+   * @type {Object}
+   */
+
+  const plugin = {}
+
+  for (const eventName of EVENT_HANDLERS) {
+    plugin[eventName] = function(event, editor, next) {}
+  }
+
+  /**
+   * Return the plugin.
+   *
+   * @type {Object}
+   */
+
+  return plugin
+}
+
+/**
+ * Export.
+ *
+ * @type {Function}
+ */
+
+export default NoopPlugin

packages/slate-react/src/plugins/react/index.js

@@ -9,6 +9,7 @@ import DOMPlugin from '../dom'
 import RestoreDOMPlugin from './restore-dom'
 import DebugEventsPlugin from '../debug/debug-events'
 import DebugBatchEventsPlugin from '../debug/debug-batch-events'
+import NoopPlugin from '../debug/noop'
 
 /**
  * A plugin that adds the React-specific rendering logic to the editor.
@@ -25,6 +26,7 @@ function ReactPlugin(options = {}) {
   const debugBatchEventsPlugin = Debug.enabled('slate:batch-events')
     ? DebugBatchEventsPlugin(options)
     : null
+  const noopPlugin = Debug.enabled('slate:noop') ? NoopPlugin(options) : null
   const renderingPlugin = RenderingPlugin(options)
   const commandsPlugin = CommandsPlugin(options)
   const queriesPlugin = QueriesPlugin(options)
@@ -45,6 +47,7 @@ function ReactPlugin(options = {}) {
   return [
     debugEventsPlugin,
     debugBatchEventsPlugin,
+    noopPlugin,
     domPlugin,
     restoreDomPlugin,
     placeholderPlugin,