feat: add some improvements to CharacterCount extension (#2256), fix #1049, fix #1550, fix #1839, fix #2245

* fix a bug when exceeding the character limit

* find a better way to limit the doc size

* check paste events

* add storage method

* refactoring

* use textBetween instead of textContent

* return early if no limit is set

* add words method to storage

* show word count in charactercount demo

Co-authored-by: Philipp Kühn <philippkuehn@MacBook-Pro-von-Philipp.local>

demos/src/Extensions/CharacterCount/React/index.jsx

@@ -34,7 +34,9 @@ export default () => {
       <EditorContent editor={editor} />
 
       <div className="character-count">
-        {editor.getCharacterCount()}/{limit} characters
+        {editor.storage.characterCount.characters()}/{limit} characters
+        <br />
+        {editor.storage.characterCount.words()} words
       </div>
     </div>
   )

demos/src/Extensions/CharacterCount/Vue/index.vue

@@ -3,7 +3,9 @@
     <editor-content :editor="editor" />
 
     <div class="character-count" v-if="editor">
-      {{ editor.getCharacterCount() }}/{{ limit }} characters
+      {{ editor.storage.characterCount.characters() }}/{{ limit }} characters
+      <br>
+      {{ editor.storage.characterCount.words() }} words
     </div>
   </div>
 </template>