add mark demos

demos/src/Marks/TextStyle/Vue/index.vue

@@ -0,0 +1,44 @@
+<template>
+  <div v-if="editor">
+    <editor-content :editor="editor" />
+  </div>
+</template>
+
+<script>
+import { Editor, EditorContent } from '@tiptap/vue-3'
+import Document from '@tiptap/extension-document'
+import Paragraph from '@tiptap/extension-paragraph'
+import Text from '@tiptap/extension-text'
+import TextStyle from '@tiptap/extension-text-style'
+
+export default {
+  components: {
+    EditorContent,
+  },
+
+  data() {
+    return {
+      editor: null,
+    }
+  },
+
+  mounted() {
+    this.editor = new Editor({
+      extensions: [
+        Document,
+        Paragraph,
+        Text,
+        TextStyle,
+      ],
+      content: `
+        <p><span>This has a &lt;span&gt; tag without a style attribute, so it’s thrown away.</span></p>
+        <p><span style="">But this one is wrapped in a &lt;span&gt; tag with an inline style attribute, so it’s kept - even if it’s empty for now.</span></p>
+      `,
+    })
+  },
+
+  beforeDestroy() {
+    this.editor.destroy()
+  },
+}
+</script>