update redisinsight-plugin-sdk

Author: rsergeenko

redisinsight/ui/src/packages/redisinsight-plugin-sdk/README.md

@@ -1,6 +1,6 @@
 # RedisInsight-plugin-sdk
 
-This document describes the high-level API for communication between RedisInsight
+The high-level API for communication between RedisInsight
 plugin and RedisInsight application.
 
 ## Usage
@@ -63,7 +63,7 @@ try {
 
 ### getState()
 
-Returns the_saved state for the command visualization.
+Returns saved state for the command visualization.
 
 Throw an error if the state has not been saved.
 

redisinsight/ui/src/packages/redisinsight-plugin-sdk/index.js

@@ -1,8 +1,8 @@
 import { sendMessageToMain } from './helpers'
 import { POST_MESSAGE_EVENTS } from './events'
 
-const { config, callbacks = { counter: 0 } } = window.state
-const { iframeId } = config
+const { config, callbacks = { counter: 0 } } = window.state || {}
+const { iframeId } = config || {}
 
 /**
  * Set text to the header result