feat(utils): add mergeEntityData method into utils

Author: freedomlang

packages/utils/README.md

@@ -143,6 +143,12 @@ getLineCount(editorState: EditorState): number
 getWordCount(editorState: EditorState): number
 ```
 
+### mergeEntityData
+
+```javascript
+mergeEntityData(editorState: EditorState, entityKey: string, data: Object): EditorState
+```
+
 ## License
 
 MIT © [juliankrispel](https://github.com/juliankrispel)

packages/utils/src/index.js

@@ -266,3 +266,15 @@ export function getWordCount(editorState: EditorState): number {
   const wordArray = cleanString.match(/\S+/g) // matches words according to whitespace
   return wordArray ? wordArray.length : 0
 }
+
+export function mergeEntityData(
+  editorState: EditorState,
+  entityKey: string,
+  data: Object
+): EditorState {
+  const newContentState = editorState
+    .getCurrentContent()
+    .mergeEntityData(entityKey, data)
+
+  return EditorState.push(editorState, newContentState, 'apply-entity')
+}