refactor: migrate from shiki to shikiji (#2520)

composables/tiptap/shikiji.ts

@@ -0,0 +1,25 @@
+import CodeBlock from '@tiptap/extension-code-block'
+import { VueNodeViewRenderer } from '@tiptap/vue-3'
+
+import { createHighlightPlugin } from 'prosemirror-highlight'
+import { shikijiParser } from './shikiji-parser'
+import TiptapCodeBlock from '~/components/tiptap/TiptapCodeBlock.vue'
+
+export const TiptapPluginCodeBlockShikiji = CodeBlock.extend({
+  addOptions() {
+    return {
+      ...this.parent?.(),
+      defaultLanguage: null,
+    }
+  },
+
+  addProseMirrorPlugins() {
+    return [
+      createHighlightPlugin({ parser: shikijiParser, nodeTypes: ['codeBlock'] }),
+    ]
+  },
+
+  addNodeView() {
+    return VueNodeViewRenderer(TiptapCodeBlock)
+  },
+})