add example demos

demos/src/Examples/CodeBlockLanguage/React/index.jsx

@@ -0,0 +1,71 @@
+import React from 'react'
+import { useEditor, EditorContent, ReactNodeViewRenderer } from '@tiptap/react'
+import Document from '@tiptap/extension-document'
+import Paragraph from '@tiptap/extension-paragraph'
+import Text from '@tiptap/extension-text'
+import CodeBlockLowlight from '@tiptap/extension-code-block-lowlight'
+import CodeBlockComponent from './CodeBlockComponent'
+
+// load all highlight.js languages
+import lowlight from 'lowlight'
+
+// load specific languages only
+// import lowlight from 'lowlight/lib/core'
+// import javascript from 'highlight.js/lib/languages/javascript'
+// lowlight.registerLanguage('javascript', javascript)
+import './styles.scss'
+
+const MenuBar = ({ editor }) => {
+  if (!editor) {
+    return null
+  }
+
+  return (
+    <button onClick={() => editor.chain().focus().toggleCodeBlock().run()} className={editor.isActive('codeBlock') ? 'is-active' : ''}>
+      code block
+    </button>
+  )
+}
+
+export default () => {
+  const editor = useEditor({
+    extensions: [
+      Document,
+      Paragraph,
+      Text,
+      CodeBlockLowlight
+        .extend({
+          addNodeView() {
+            return ReactNodeViewRenderer(CodeBlockComponent)
+          },
+        })
+        .configure({ lowlight }),
+    ],
+    content: `
+        <p>
+          That’s a boring paragraph followed by a fenced code block:
+        </p>
+        <pre><code class="language-javascript">for (var i=1; i <= 20; i++)
+{
+  if (i % 15 == 0)
+    console.log("FizzBuzz");
+  else if (i % 3 == 0)
+    console.log("Fizz");
+  else if (i % 5 == 0)
+    console.log("Buzz");
+  else
+    console.log(i);
+}</code></pre>
+        <p>
+          Press Command/Ctrl + Enter to leave the fenced code block and continue typing in boring paragraphs.
+        </p>
+      `,
+  })
+
+  return (
+    <div>
+      <MenuBar editor={editor} />
+      <EditorContent editor={editor} />
+    </div>
+  )
+}